* [PATCH 0/6] Port Tegra to generic clk framework @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren-3lzwWm7+Weoh9ZMKESR00Q, mturquette-l0cyMroinI0 Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w, Prashant Gaikwad This patch set ports Tegra clock code to generic clock framework. Depends on [PATCH v3 0/9] Add clk_prepare/clk_unprepare series [PATCH] ARM: tegra: Remove second instance of uart clk [PATCH] dma: tegra: add clk_prepare/clk_unprepare [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" Tested on Ventana and Cardhu Prashant Gaikwad (6): ARM: tegra30: Separate out clk ops and clk data ARM: tegra20: Separate out clk ops and clk data ARM: tegra: Rename tegra20 clock file ARM: tegra: Add clk_tegra structure and helper functions ARM: tegra: Port tegra to generic clock framework ARM: tegra: Remove duplicate code arch/arm/Kconfig | 1 + arch/arm/mach-tegra/Makefile | 4 +- arch/arm/mach-tegra/clock.c | 570 +------- arch/arm/mach-tegra/clock.h | 40 +- arch/arm/mach-tegra/common.c | 1 - arch/arm/mach-tegra/include/mach/clk.h | 3 + arch/arm/mach-tegra/tegra20_clocks.c | 1498 +++++++++++++++++ arch/arm/mach-tegra/tegra20_clocks.h | 41 + arch/arm/mach-tegra/tegra20_clocks_data.c | 1127 +++++++++++++ arch/arm/mach-tegra/tegra2_clocks.c | 2464 ---------------------------- arch/arm/mach-tegra/tegra30_clocks.c | 2474 +++++++++-------------------- arch/arm/mach-tegra/tegra30_clocks.h | 53 + arch/arm/mach-tegra/tegra30_clocks_data.c | 1374 ++++++++++++++++ 13 files changed, 4935 insertions(+), 4715 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra20_clocks.c create mode 100644 arch/arm/mach-tegra/tegra20_clocks.h create mode 100644 arch/arm/mach-tegra/tegra20_clocks_data.c delete mode 100644 arch/arm/mach-tegra/tegra2_clocks.c create mode 100644 arch/arm/mach-tegra/tegra30_clocks.h create mode 100644 arch/arm/mach-tegra/tegra30_clocks_data.c -- 1.7.4.1 ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 0/6] Port Tegra to generic clk framework @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: linux-arm-kernel This patch set ports Tegra clock code to generic clock framework. Depends on [PATCH v3 0/9] Add clk_prepare/clk_unprepare series [PATCH] ARM: tegra: Remove second instance of uart clk [PATCH] dma: tegra: add clk_prepare/clk_unprepare [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" Tested on Ventana and Cardhu Prashant Gaikwad (6): ARM: tegra30: Separate out clk ops and clk data ARM: tegra20: Separate out clk ops and clk data ARM: tegra: Rename tegra20 clock file ARM: tegra: Add clk_tegra structure and helper functions ARM: tegra: Port tegra to generic clock framework ARM: tegra: Remove duplicate code arch/arm/Kconfig | 1 + arch/arm/mach-tegra/Makefile | 4 +- arch/arm/mach-tegra/clock.c | 570 +------- arch/arm/mach-tegra/clock.h | 40 +- arch/arm/mach-tegra/common.c | 1 - arch/arm/mach-tegra/include/mach/clk.h | 3 + arch/arm/mach-tegra/tegra20_clocks.c | 1498 +++++++++++++++++ arch/arm/mach-tegra/tegra20_clocks.h | 41 + arch/arm/mach-tegra/tegra20_clocks_data.c | 1127 +++++++++++++ arch/arm/mach-tegra/tegra2_clocks.c | 2464 ---------------------------- arch/arm/mach-tegra/tegra30_clocks.c | 2474 +++++++++-------------------- arch/arm/mach-tegra/tegra30_clocks.h | 53 + arch/arm/mach-tegra/tegra30_clocks_data.c | 1374 ++++++++++++++++ 13 files changed, 4935 insertions(+), 4715 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra20_clocks.c create mode 100644 arch/arm/mach-tegra/tegra20_clocks.h create mode 100644 arch/arm/mach-tegra/tegra20_clocks_data.c delete mode 100644 arch/arm/mach-tegra/tegra2_clocks.c create mode 100644 arch/arm/mach-tegra/tegra30_clocks.h create mode 100644 arch/arm/mach-tegra/tegra30_clocks_data.c -- 1.7.4.1 ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 0/6] Port Tegra to generic clk framework @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad This patch set ports Tegra clock code to generic clock framework. Depends on [PATCH v3 0/9] Add clk_prepare/clk_unprepare series [PATCH] ARM: tegra: Remove second instance of uart clk [PATCH] dma: tegra: add clk_prepare/clk_unprepare [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" Tested on Ventana and Cardhu Prashant Gaikwad (6): ARM: tegra30: Separate out clk ops and clk data ARM: tegra20: Separate out clk ops and clk data ARM: tegra: Rename tegra20 clock file ARM: tegra: Add clk_tegra structure and helper functions ARM: tegra: Port tegra to generic clock framework ARM: tegra: Remove duplicate code arch/arm/Kconfig | 1 + arch/arm/mach-tegra/Makefile | 4 +- arch/arm/mach-tegra/clock.c | 570 +------- arch/arm/mach-tegra/clock.h | 40 +- arch/arm/mach-tegra/common.c | 1 - arch/arm/mach-tegra/include/mach/clk.h | 3 + arch/arm/mach-tegra/tegra20_clocks.c | 1498 +++++++++++++++++ arch/arm/mach-tegra/tegra20_clocks.h | 41 + arch/arm/mach-tegra/tegra20_clocks_data.c | 1127 +++++++++++++ arch/arm/mach-tegra/tegra2_clocks.c | 2464 ---------------------------- arch/arm/mach-tegra/tegra30_clocks.c | 2474 +++++++++-------------------- arch/arm/mach-tegra/tegra30_clocks.h | 53 + arch/arm/mach-tegra/tegra30_clocks_data.c | 1374 ++++++++++++++++ 13 files changed, 4935 insertions(+), 4715 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra20_clocks.c create mode 100644 arch/arm/mach-tegra/tegra20_clocks.h create mode 100644 arch/arm/mach-tegra/tegra20_clocks_data.c delete mode 100644 arch/arm/mach-tegra/tegra2_clocks.c create mode 100644 arch/arm/mach-tegra/tegra30_clocks.h create mode 100644 arch/arm/mach-tegra/tegra30_clocks_data.c -- 1.7.4.1 ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 1/6] ARM: tegra30: Separate out clk ops and clk data 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 10:37 ` Prashant Gaikwad -1 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad Move clock initialization data to separate file. This is required for migrating to generic clock framework if static initialization is used. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/tegra30_clocks.c | 1159 +---------------------------- arch/arm/mach-tegra/tegra30_clocks.h | 43 ++ arch/arm/mach-tegra/tegra30_clocks_data.c | 1148 ++++++++++++++++++++++++++++ 4 files changed, 1214 insertions(+), 1137 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra30_clocks.h create mode 100644 arch/arm/mach-tegra/tegra30_clocks_data.c diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 508d816..f17528a 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_CPU_IDLE) += sleep.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o +obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks_data.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o obj-$(CONFIG_SMP) += reset.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c index 2ba948e..645ef69 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.c +++ b/arch/arm/mach-tegra/tegra30_clocks.c @@ -1,7 +1,7 @@ /* * arch/arm/mach-tegra/tegra30_clocks.c * - * Copyright (c) 2010-2011 NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -533,13 +533,13 @@ static void tegra30_clk_m_disable(struct clk *c) WARN(1, "Attempting to disable main SoC clock\n"); } -static struct clk_ops tegra_clk_m_ops = { +struct clk_ops tegra30_clk_m_ops = { .init = tegra30_clk_m_init, .enable = tegra30_clk_m_enable, .disable = tegra30_clk_m_disable, }; -static struct clk_ops tegra_clk_m_div_ops = { +struct clk_ops tegra_clk_m_div_ops = { .enable = tegra30_clk_m_enable, }; @@ -567,7 +567,7 @@ static void tegra30_pll_ref_init(struct clk *c) c->state = ON; } -static struct clk_ops tegra_pll_ref_ops = { +struct clk_ops tegra_pll_ref_ops = { .init = tegra30_pll_ref_init, .enable = tegra30_clk_m_enable, .disable = tegra30_clk_m_disable, @@ -707,7 +707,7 @@ static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) return clk_set_rate(c->parent, rate); } -static struct clk_ops tegra_super_ops = { +struct clk_ops tegra30_super_ops = { .init = tegra30_super_clk_init, .enable = tegra30_super_clk_enable, .disable = tegra30_super_clk_disable, @@ -722,7 +722,7 @@ static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra30_twd_ops = { +struct clk_ops tegra30_twd_ops = { .set_rate = tegra30_twd_clk_set_rate, }; @@ -801,7 +801,7 @@ static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_blink_clk_ops = { +struct clk_ops tegra30_blink_clk_ops = { .init = &tegra30_blink_clk_init, .enable = &tegra30_blink_clk_enable, .disable = &tegra30_blink_clk_disable, @@ -829,7 +829,6 @@ static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg, return 0; } - static void tegra30_utmi_param_configure(struct clk *c) { u32 reg; @@ -1100,7 +1099,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_pll_ops = { +struct clk_ops tegra30_pll_ops = { .init = tegra30_pll_clk_init, .enable = tegra30_pll_clk_enable, .disable = tegra30_pll_clk_disable, @@ -1141,7 +1140,7 @@ tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return 0; } -static struct clk_ops tegra_plld_ops = { +struct clk_ops tegra_plld_ops = { .init = tegra30_pll_clk_init, .enable = tegra30_pll_clk_enable, .disable = tegra30_pll_clk_disable, @@ -1258,7 +1257,7 @@ static int tegra30_plle_clk_enable(struct clk *c) return tegra30_plle_configure(c, !c->set); } -static struct clk_ops tegra_plle_ops = { +struct clk_ops tegra30_plle_ops = { .init = tegra30_plle_clk_init, .enable = tegra30_plle_clk_enable, .disable = tegra30_plle_clk_disable, @@ -1386,7 +1385,7 @@ static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_div_ops = { +struct clk_ops tegra30_pll_div_ops = { .init = tegra30_pll_div_clk_init, .enable = tegra30_pll_div_clk_enable, .disable = tegra30_pll_div_clk_disable, @@ -1634,7 +1633,7 @@ static long tegra30_periph_clk_round_rate(struct clk *c, return -EINVAL; } -static struct clk_ops tegra_periph_clk_ops = { +struct clk_ops tegra30_periph_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1644,7 +1643,6 @@ static struct clk_ops tegra_periph_clk_ops = { .reset = &tegra30_periph_clk_reset, }; - /* Periph extended clock configuration ops */ static int tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) @@ -1660,7 +1658,7 @@ tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_vi_clk_ops = { +struct clk_ops tegra_vi_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1686,7 +1684,7 @@ tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_nand_clk_ops = { +struct clk_ops tegra_nand_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1697,7 +1695,6 @@ static struct clk_ops tegra_nand_clk_ops = { .reset = &tegra30_periph_clk_reset, }; - static int tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) { @@ -1713,7 +1710,7 @@ tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_dtv_clk_ops = { +struct clk_ops tegra_dtv_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1753,7 +1750,7 @@ static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_dsib_clk_ops = { +struct clk_ops tegra_dsib_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1764,7 +1761,7 @@ static struct clk_ops tegra_dsib_clk_ops = { }; /* pciex clock support only reset function */ -static struct clk_ops tegra_pciex_clk_ops = { +struct clk_ops tegra_pciex_clk_ops = { .reset = tegra30_periph_clk_reset, }; @@ -1851,14 +1848,13 @@ static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_clk_out_ops = { +struct clk_ops tegra_clk_out_ops = { .init = &tegra30_clk_out_init, .enable = &tegra30_clk_out_enable, .disable = &tegra30_clk_out_disable, .set_parent = &tegra30_clk_out_set_parent, }; - /* Clock doubler ops */ static void tegra30_clk_double_init(struct clk *c) { @@ -1890,7 +1886,7 @@ static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_clk_double_ops = { +struct clk_ops tegra30_clk_double_ops = { .init = &tegra30_clk_double_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1904,7 +1900,7 @@ static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_sync_source_ops = { +struct clk_ops tegra_sync_source_ops = { .set_rate = &tegra30_sync_source_set_rate, }; @@ -1961,7 +1957,7 @@ static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_audio_sync_clk_ops = { +struct clk_ops tegra30_audio_sync_clk_ops = { .init = tegra30_audio_sync_clk_init, .enable = tegra30_audio_sync_clk_enable, .disable = tegra30_audio_sync_clk_disable, @@ -1990,1119 +1986,8 @@ static void tegra30_cml_clk_disable(struct clk *c) clk_writel(val, c->reg); } -static struct clk_ops tegra_cml_clk_ops = { +struct clk_ops tegra_cml_clk_ops = { .init = &tegra30_cml_clk_init, .enable = &tegra30_cml_clk_enable, .disable = &tegra30_cml_clk_disable, }; - -/* Clock definitions */ -static struct clk tegra_clk_32k = { - .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, -}; - -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 48000000, -}; - -static struct clk tegra_clk_m_div2 = { - .name = "clk_m_div2", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 2, - .state = ON, - .max_rate = 24000000, -}; - -static struct clk tegra_clk_m_div4 = { - .name = "clk_m_div4", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 4, - .state = ON, - .max_rate = 12000000, -}; - -static struct clk tegra_pll_ref = { - .name = "pll_ref", - .flags = ENABLE_ON_INIT, - .ops = &tegra_pll_ref_ops, - .parent = &tegra_clk_m, - .max_rate = 26000000, -}; - -static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { - { 12000000, 1040000000, 520, 6, 1, 8}, - { 13000000, 1040000000, 480, 6, 1, 8}, - { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ - { 19200000, 1040000000, 325, 6, 1, 6}, - { 26000000, 1040000000, 520, 13, 1, 8}, - - { 12000000, 832000000, 416, 6, 1, 8}, - { 13000000, 832000000, 832, 13, 1, 8}, - { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ - { 19200000, 832000000, 260, 6, 1, 8}, - { 26000000, 832000000, 416, 13, 1, 8}, - - { 12000000, 624000000, 624, 12, 1, 8}, - { 13000000, 624000000, 624, 13, 1, 8}, - { 16800000, 600000000, 520, 14, 1, 8}, - { 19200000, 624000000, 520, 16, 1, 8}, - { 26000000, 624000000, 624, 26, 1, 8}, - - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 16800000, 600000000, 500, 14, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - - { 12000000, 520000000, 520, 12, 1, 8}, - { 13000000, 520000000, 520, 13, 1, 8}, - { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ - { 19200000, 520000000, 325, 12, 1, 6}, - { 26000000, 520000000, 520, 26, 1, 8}, - - { 12000000, 416000000, 416, 12, 1, 8}, - { 13000000, 416000000, 416, 13, 1, 8}, - { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ - { 19200000, 416000000, 260, 12, 1, 6}, - { 26000000, 416000000, 416, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_pll_ref, - .max_rate = 1400000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 700000000, -}; - -static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { - { 12000000, 666000000, 666, 12, 1, 8}, - { 13000000, 666000000, 666, 13, 1, 8}, - { 16800000, 666000000, 555, 14, 1, 8}, - { 19200000, 666000000, 555, 16, 1, 8}, - { 26000000, 666000000, 666, 26, 1, 8}, - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 16800000, 600000000, 500, 14, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON | PLLM, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_pll_ref, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { - { 12000000, 216000000, 432, 12, 2, 8}, - { 13000000, 216000000, 432, 13, 2, 8}, - { 16800000, 216000000, 360, 14, 2, 8}, - { 19200000, 216000000, 360, 16, 2, 8}, - { 26000000, 216000000, 432, 26, 2, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_pll_ref, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - .fixed_rate = 408000000, - }, -}; - -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { - { 9600000, 564480000, 294, 5, 1, 4}, - { 9600000, 552960000, 288, 5, 1, 4}, - { 9600000, 24000000, 5, 2, 1, 1}, - - { 28800000, 56448000, 49, 25, 1, 1}, - { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 24000000, 5, 6, 1, 1}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 100000000, -}; - -static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { - { 12000000, 216000000, 216, 12, 1, 4}, - { 13000000, 216000000, 216, 13, 1, 4}, - { 16800000, 216000000, 180, 14, 1, 4}, - { 19200000, 216000000, 180, 16, 1, 4}, - { 26000000, 216000000, 216, 26, 1, 4}, - - { 12000000, 594000000, 594, 12, 1, 8}, - { 13000000, 594000000, 594, 13, 1, 8}, - { 16800000, 594000000, 495, 14, 1, 8}, - { 19200000, 594000000, 495, 16, 1, 8}, - { 26000000, 594000000, 594, 26, 1, 8}, - - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_plld_ops, - .reg = 0xd0, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk tegra_pll_d2 = { - .name = "pll_d2", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, - .ops = &tegra_plld_ops, - .reg = 0x4b8, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d2_out0 = { - .name = "pll_d2_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d2, - .max_rate = 500000000, -}; - -static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 2, 12}, - { 13000000, 480000000, 960, 13, 2, 12}, - { 16800000, 480000000, 400, 7, 2, 5}, - { 19200000, 480000000, 200, 4, 2, 3}, - { 26000000, 480000000, 960, 26, 2, 12}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLL_HAS_CPCON | PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_pll_ref, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { - /* 1.7 GHz */ - { 12000000, 1700000000, 850, 6, 1, 8}, - { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */ - { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */ - { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */ - { 26000000, 1700000000, 850, 13, 1, 8}, - - /* 1.6 GHz */ - { 12000000, 1600000000, 800, 6, 1, 8}, - { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */ - { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */ - { 19200000, 1600000000, 500, 6, 1, 8}, - { 26000000, 1600000000, 800, 13, 1, 8}, - - /* 1.5 GHz */ - { 12000000, 1500000000, 750, 6, 1, 8}, - { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */ - { 16800000, 1500000000, 625, 7, 1, 8}, - { 19200000, 1500000000, 625, 8, 1, 8}, - { 26000000, 1500000000, 750, 13, 1, 8}, - - /* 1.4 GHz */ - { 12000000, 1400000000, 700, 6, 1, 8}, - { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */ - { 16800000, 1400000000, 1000, 12, 1, 8}, - { 19200000, 1400000000, 875, 12, 1, 8}, - { 26000000, 1400000000, 700, 13, 1, 8}, - - /* 1.3 GHz */ - { 12000000, 1300000000, 975, 9, 1, 8}, - { 13000000, 1300000000, 1000, 10, 1, 8}, - { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */ - { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */ - { 26000000, 1300000000, 650, 13, 1, 8}, - - /* 1.2 GHz */ - { 12000000, 1200000000, 1000, 10, 1, 8}, - { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */ - { 16800000, 1200000000, 1000, 14, 1, 8}, - { 19200000, 1200000000, 1000, 16, 1, 8}, - { 26000000, 1200000000, 600, 13, 1, 8}, - - /* 1.1 GHz */ - { 12000000, 1100000000, 825, 9, 1, 8}, - { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */ - { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */ - { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */ - { 26000000, 1100000000, 550, 13, 1, 8}, - - /* 1 GHz */ - { 12000000, 1000000000, 1000, 12, 1, 8}, - { 13000000, 1000000000, 1000, 13, 1, 8}, - { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */ - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 8}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, - .ops = &tegra_pll_ops, - .reg = 0xe0, - .parent = &tegra_pll_ref, - .max_rate = 1700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1700000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_x_out0 = { - .name = "pll_x_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLX, - .parent = &tegra_pll_x, - .max_rate = 850000000, -}; - - -static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { - /* PLLE special case: use cpcon field to store cml divider value */ - { 12000000, 100000000, 150, 1, 18, 11}, - { 216000000, 100000000, 200, 18, 24, 13}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 216000000, - .cf_min = 12000000, - .cf_max = 12000000, - .vco_min = 1200000000, - .vco_max = 2400000000U, - .freq_table = tegra_pll_e_freq_table, - .lock_delay = 300, - .fixed_rate = 100000000, - }, -}; - -static struct clk tegra_cml0_clk = { - .name = "cml0", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = PLLE_AUX, - .max_rate = 100000000, - .u.periph = { - .clk_num = 0, - }, -}; - -static struct clk tegra_cml1_clk = { - .name = "cml1", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = PLLE_AUX, - .max_rate = 100000000, - .u.periph = { - .clk_num = 1, - }, -}; - -static struct clk tegra_pciex_clk = { - .name = "pciex", - .parent = &tegra_pll_e, - .ops = &tegra_pciex_clk_ops, - .max_rate = 100000000, - .u.periph = { - .clk_num = 74, - }, -}; - -/* Audio sync clocks */ -#define SYNC_SOURCE(_id) \ - { \ - .name = #_id "_sync", \ - .rate = 24000000, \ - .max_rate = 24000000, \ - .ops = &tegra_sync_source_ops \ - } -static struct clk tegra_sync_source_list[] = { - SYNC_SOURCE(spdif_in), - SYNC_SOURCE(i2s0), - SYNC_SOURCE(i2s1), - SYNC_SOURCE(i2s2), - SYNC_SOURCE(i2s3), - SYNC_SOURCE(i2s4), - SYNC_SOURCE(vimclk), -}; - -static struct clk_mux_sel mux_audio_sync_clk[] = { - { .input = &tegra_sync_source_list[0], .value = 0}, - { .input = &tegra_sync_source_list[1], .value = 1}, - { .input = &tegra_sync_source_list[2], .value = 2}, - { .input = &tegra_sync_source_list[3], .value = 3}, - { .input = &tegra_sync_source_list[4], .value = 4}, - { .input = &tegra_sync_source_list[5], .value = 5}, - { .input = &tegra_pll_a_out0, .value = 6}, - { .input = &tegra_sync_source_list[6], .value = 7}, - { 0, 0 } -}; - -#define AUDIO_SYNC_CLK(_id, _index) \ - { \ - .name = #_id, \ - .inputs = mux_audio_sync_clk, \ - .reg = 0x4A0 + (_index) * 4, \ - .max_rate = 24000000, \ - .ops = &tegra_audio_sync_clk_ops \ - } -static struct clk tegra_clk_audio_list[] = { - AUDIO_SYNC_CLK(audio0, 0), - AUDIO_SYNC_CLK(audio1, 1), - AUDIO_SYNC_CLK(audio2, 2), - AUDIO_SYNC_CLK(audio3, 3), - AUDIO_SYNC_CLK(audio4, 4), - AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ -}; - -#define AUDIO_SYNC_2X_CLK(_id, _index) \ - { \ - .name = #_id "_2x", \ - .flags = PERIPH_NO_RESET, \ - .max_rate = 48000000, \ - .ops = &tegra_clk_double_ops, \ - .reg = 0x49C, \ - .reg_shift = 24 + (_index), \ - .parent = &tegra_clk_audio_list[(_index)], \ - .u.periph = { \ - .clk_num = 113 + (_index), \ - }, \ - } -static struct clk tegra_clk_audio_2x_list[] = { - AUDIO_SYNC_2X_CLK(audio0, 0), - AUDIO_SYNC_2X_CLK(audio1, 1), - AUDIO_SYNC_2X_CLK(audio2, 2), - AUDIO_SYNC_2X_CLK(audio3, 3), - AUDIO_SYNC_2X_CLK(audio4, 4), - AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ -}; - -#define MUX_I2S_SPDIF(_id, _index) \ -static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ - {.input = &tegra_pll_a_out0, .value = 0}, \ - {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ - {.input = &tegra_pll_p, .value = 2}, \ - {.input = &tegra_clk_m, .value = 3}, \ - { 0, 0}, \ -} -MUX_I2S_SPDIF(audio0, 0); -MUX_I2S_SPDIF(audio1, 1); -MUX_I2S_SPDIF(audio2, 2); -MUX_I2S_SPDIF(audio3, 3); -MUX_I2S_SPDIF(audio4, 4); -MUX_I2S_SPDIF(audio, 5); /* SPDIF */ - -/* External clock outputs (through PMC) */ -#define MUX_EXTERN_OUT(_id) \ -static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ - {.input = &tegra_clk_m, .value = 0}, \ - {.input = &tegra_clk_m_div2, .value = 1}, \ - {.input = &tegra_clk_m_div4, .value = 2}, \ - {.input = NULL, .value = 3}, /* placeholder */ \ - { 0, 0}, \ -} -MUX_EXTERN_OUT(1); -MUX_EXTERN_OUT(2); -MUX_EXTERN_OUT(3); - -static struct clk_mux_sel *mux_extern_out_list[] = { - mux_clkm_clkm2_clkm4_extern1, - mux_clkm_clkm2_clkm4_extern2, - mux_clkm_clkm2_clkm4_extern3, -}; - -#define CLK_OUT_CLK(_id) \ - { \ - .name = "clk_out_" #_id, \ - .lookup = { \ - .dev_id = "clk_out_" #_id, \ - .con_id = "extern" #_id, \ - }, \ - .ops = &tegra_clk_out_ops, \ - .reg = 0x1a8, \ - .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ - .flags = MUX_CLK_OUT, \ - .max_rate = 216000000, \ - .u.periph = { \ - .clk_num = (_id - 1) * 8 + 2, \ - }, \ - } -static struct clk tegra_clk_out_list[] = { - CLK_OUT_CLK(1), - CLK_OUT_CLK(2), - CLK_OUT_CLK(3), -}; - -/* called after peripheral external clocks are initialized */ -static void init_clk_out_mux(void) -{ - int i; - struct clk *c; - - /* output clock con_id is the name of peripheral - external clock connected to input 3 of the output mux */ - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { - c = tegra_get_clock_by_name( - tegra_clk_out_list[i].lookup.con_id); - if (!c) - pr_err("%s: could not find clk %s\n", __func__, - tegra_clk_out_list[i].lookup.con_id); - mux_extern_out_list[i][3].input = c; - } -} - -/* Peripheral muxes */ -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { 0, 0}, -}; - -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, - .max_rate = 334000000, - .min_rate = 40000000, -}; - -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_m, .value = 1}, - {.input = &tegra_pll_d_out0, .value = 2}, - {.input = &tegra_pll_a_out0, .value = 3}, - {.input = &tegra_pll_c, .value = 4}, - {.input = &tegra_pll_d2_out0, .value = 5}, - {.input = &tegra_clk_m, .value = 6}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_32k, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_m, .value = 2}, - {.input = &tegra_clk_32k, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plld_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { .input = &tegra_pll_d2_out0, .value = 1}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - { .input = &tegra_clk_32k, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { .input = &tegra_pll_e, .value = 4}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_cclk_g[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_pll_x, .value = 8}, - { 0, 0}, -}; - -static struct clk tegra_clk_cclk_g = { - .name = "cclk_g", - .flags = DIV_U71 | DIV_U71_INT, - .inputs = mux_cclk_g, - .reg = 0x368, - .ops = &tegra_super_ops, - .max_rate = 1700000000, -}; - -static struct clk tegra30_clk_twd = { - .parent = &tegra_clk_cclk_g, - .name = "twd", - .ops = &tegra30_twd_ops, - .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ - .mul = 1, - .div = 2, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ - _flags, _ops) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = _ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - .u.shared_bus_user = { \ - .client_id = _id, \ - .client_div = _div, \ - .mode = _mode, \ - }, \ - } -struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), - PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), - PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - - PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), - PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - } - -/* Some clocks may be used by different drivers depending on the board - * configuration. List those here to register them twice in the clock lookup - * table under two names. - */ -struct clk_duplicate tegra_clk_duplicates[] = { - CLK_DUPLICATE("uarta", "serial8250.0", NULL), - CLK_DUPLICATE("uartb", "serial8250.1", NULL), - CLK_DUPLICATE("uartc", "serial8250.2", NULL), - CLK_DUPLICATE("uartd", "serial8250.3", NULL), - CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("dsib", "tegradc.0", "dsib"), - CLK_DUPLICATE("dsia", "tegradc.1", "dsia"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("bsev", "tegra-avp", "bsev"), - CLK_DUPLICATE("bsev", "nvavp", "bsev"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), - CLK_DUPLICATE("bsea", "tegra-aes", "bsea"), - CLK_DUPLICATE("bsea", "nvavp", "bsea"), - CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL), - CLK_DUPLICATE("cml0", "tegra_pcie", "cml"), - CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"), - CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL), - CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL), - CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL), - CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL), - CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL), - CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL), - CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL), - CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL), - CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL), - CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL), - CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL), - CLK_DUPLICATE("twd", "smp_twd", NULL), - CLK_DUPLICATE("vcp", "nvavp", "vcp"), - CLK_DUPLICATE("i2s0", NULL, "i2s0"), - CLK_DUPLICATE("i2s1", NULL, "i2s1"), - CLK_DUPLICATE("i2s2", NULL, "i2s2"), - CLK_DUPLICATE("i2s3", NULL, "i2s3"), - CLK_DUPLICATE("i2s4", NULL, "i2s4"), - CLK_DUPLICATE("dam0", NULL, "dam0"), - CLK_DUPLICATE("dam1", NULL, "dam1"), - CLK_DUPLICATE("dam2", NULL, "dam2"), - CLK_DUPLICATE("spdif_in", NULL, "spdif_in"), -}; - -struct clk *tegra_ptr_clks[] = { - &tegra_clk_32k, - &tegra_clk_m, - &tegra_clk_m_div2, - &tegra_clk_m_div4, - &tegra_pll_ref, - &tegra_pll_m, - &tegra_pll_m_out1, - &tegra_pll_c, - &tegra_pll_c_out1, - &tegra_pll_p, - &tegra_pll_p_out1, - &tegra_pll_p_out2, - &tegra_pll_p_out3, - &tegra_pll_p_out4, - &tegra_pll_a, - &tegra_pll_a_out0, - &tegra_pll_d, - &tegra_pll_d_out0, - &tegra_pll_d2, - &tegra_pll_d2_out0, - &tegra_pll_u, - &tegra_pll_x, - &tegra_pll_x_out0, - &tegra_pll_e, - &tegra_clk_cclk_g, - &tegra_cml0_clk, - &tegra_cml1_clk, - &tegra_pciex_clk, - &tegra_clk_sclk, - &tegra_clk_blink, - &tegra30_clk_twd, -}; - - -static void tegra30_init_one_clock(struct clk *c) -{ - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); -} - -void __init tegra30_init_clocks(void) -{ - int i; - struct clk *c; - - for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) - tegra30_init_one_clock(tegra_ptr_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra30_init_one_clock(&tegra_list_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); - if (!c) { - pr_err("%s: Unknown duplicate clock %s\n", __func__, - tegra_clk_duplicates[i].name); - continue; - } - - tegra_clk_duplicates[i].lookup.clk = c; - clkdev_add(&tegra_clk_duplicates[i].lookup); - } - - for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) - tegra30_init_one_clock(&tegra_sync_source_list[i]); - for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_list[i]); - for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); - - init_clk_out_mux(); - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) - tegra30_init_one_clock(&tegra_clk_out_list[i]); - -} diff --git a/arch/arm/mach-tegra/tegra30_clocks.h b/arch/arm/mach-tegra/tegra30_clocks.h new file mode 100644 index 0000000..f8c4df5 --- /dev/null +++ b/arch/arm/mach-tegra/tegra30_clocks.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA30_CLOCK_H +#define __MACH_TEGRA30_CLOCK_H + +extern struct clk_ops tegra30_clk_m_ops; +extern struct clk_ops tegra_clk_m_div_ops; +extern struct clk_ops tegra_pll_ref_ops; +extern struct clk_ops tegra30_pll_ops; +extern struct clk_ops tegra30_pll_div_ops; +extern struct clk_ops tegra_plld_ops; +extern struct clk_ops tegra30_plle_ops; +extern struct clk_ops tegra_cml_clk_ops; +extern struct clk_ops tegra_pciex_clk_ops; +extern struct clk_ops tegra_sync_source_ops; +extern struct clk_ops tegra30_audio_sync_clk_ops; +extern struct clk_ops tegra30_clk_double_ops; +extern struct clk_ops tegra_clk_out_ops; +extern struct clk_ops tegra30_super_ops; +extern struct clk_ops tegra30_blink_clk_ops; +extern struct clk_ops tegra30_twd_ops; +extern struct clk_ops tegra30_periph_clk_ops; +extern struct clk_ops tegra_dsib_clk_ops; +extern struct clk_ops tegra_nand_clk_ops; +extern struct clk_ops tegra_vi_clk_ops; +extern struct clk_ops tegra_dtv_clk_ops; +extern struct clk_ops tegra_clk_shared_bus_ops; + +#endif diff --git a/arch/arm/mach-tegra/tegra30_clocks_data.c b/arch/arm/mach-tegra/tegra30_clocks_data.c new file mode 100644 index 0000000..bf25a38 --- /dev/null +++ b/arch/arm/mach-tegra/tegra30_clocks_data.c @@ -0,0 +1,1148 @@ +/* + * arch/arm/mach-tegra/tegra30_clocks_data.c + * + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/cpufreq.h> + +#include <asm/clkdev.h> + +#include <mach/iomap.h> + +#include "clock.h" +#include "fuse.h" +#include "tegra30_clocks.h" + +/* Clock definitions */ +static struct clk tegra_clk_32k = { + .name = "clk_32k", + .rate = 32768, + .ops = NULL, + .max_rate = 32768, +}; + +static struct clk tegra_clk_m = { + .name = "clk_m", + .flags = ENABLE_ON_INIT, + .ops = &tegra30_clk_m_ops, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 48000000, +}; + +static struct clk tegra_clk_m_div2 = { + .name = "clk_m_div2", + .ops = &tegra_clk_m_div_ops, + .parent = &tegra_clk_m, + .mul = 1, + .div = 2, + .state = ON, + .max_rate = 24000000, +}; + +static struct clk tegra_clk_m_div4 = { + .name = "clk_m_div4", + .ops = &tegra_clk_m_div_ops, + .parent = &tegra_clk_m, + .mul = 1, + .div = 4, + .state = ON, + .max_rate = 12000000, +}; + +static struct clk tegra_pll_ref = { + .name = "pll_ref", + .flags = ENABLE_ON_INIT, + .ops = &tegra_pll_ref_ops, + .parent = &tegra_clk_m, + .max_rate = 26000000, +}; + +static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { + { 12000000, 1040000000, 520, 6, 1, 8}, + { 13000000, 1040000000, 480, 6, 1, 8}, + { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ + { 19200000, 1040000000, 325, 6, 1, 6}, + { 26000000, 1040000000, 520, 13, 1, 8}, + + { 12000000, 832000000, 416, 6, 1, 8}, + { 13000000, 832000000, 832, 13, 1, 8}, + { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ + { 19200000, 832000000, 260, 6, 1, 8}, + { 26000000, 832000000, 416, 13, 1, 8}, + + { 12000000, 624000000, 624, 12, 1, 8}, + { 13000000, 624000000, 624, 13, 1, 8}, + { 16800000, 600000000, 520, 14, 1, 8}, + { 19200000, 624000000, 520, 16, 1, 8}, + { 26000000, 624000000, 624, 26, 1, 8}, + + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 16800000, 600000000, 500, 14, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + + { 12000000, 520000000, 520, 12, 1, 8}, + { 13000000, 520000000, 520, 13, 1, 8}, + { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ + { 19200000, 520000000, 325, 12, 1, 6}, + { 26000000, 520000000, 520, 26, 1, 8}, + + { 12000000, 416000000, 416, 12, 1, 8}, + { 13000000, 416000000, 416, 13, 1, 8}, + { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ + { 19200000, 416000000, 260, 12, 1, 6}, + { 26000000, 416000000, 416, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_c = { + .name = "pll_c", + .flags = PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0x80, + .parent = &tegra_pll_ref, + .max_rate = 1400000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_c_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_c_out1 = { + .name = "pll_c_out1", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_c, + .reg = 0x84, + .reg_shift = 0, + .max_rate = 700000000, +}; + +static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { + { 12000000, 666000000, 666, 12, 1, 8}, + { 13000000, 666000000, 666, 13, 1, 8}, + { 16800000, 666000000, 555, 14, 1, 8}, + { 19200000, 666000000, 555, 16, 1, 8}, + { 26000000, 666000000, 666, 26, 1, 8}, + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 16800000, 600000000, 500, 14, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_m = { + .name = "pll_m", + .flags = PLL_HAS_CPCON | PLLM, + .ops = &tegra30_pll_ops, + .reg = 0x90, + .parent = &tegra_pll_ref, + .max_rate = 800000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_m_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_m_out1 = { + .name = "pll_m_out1", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_m, + .reg = 0x94, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { + { 12000000, 216000000, 432, 12, 2, 8}, + { 13000000, 216000000, 432, 13, 2, 8}, + { 16800000, 216000000, 360, 14, 2, 8}, + { 19200000, 216000000, 360, 16, 2, 8}, + { 26000000, 216000000, 432, 26, 2, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_p = { + .name = "pll_p", + .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0xa0, + .parent = &tegra_pll_ref, + .max_rate = 432000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_p_freq_table, + .lock_delay = 300, + .fixed_rate = 408000000, + }, +}; + +static struct clk tegra_pll_p_out1 = { + .name = "pll_p_out1", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out2 = { + .name = "pll_p_out2", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out3 = { + .name = "pll_p_out3", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out4 = { + .name = "pll_p_out4", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { + { 9600000, 564480000, 294, 5, 1, 4}, + { 9600000, 552960000, 288, 5, 1, 4}, + { 9600000, 24000000, 5, 2, 1, 1}, + + { 28800000, 56448000, 49, 25, 1, 1}, + { 28800000, 73728000, 64, 25, 1, 1}, + { 28800000, 24000000, 5, 6, 1, 1}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_a = { + .name = "pll_a", + .flags = PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0xb0, + .parent = &tegra_pll_p_out1, + .max_rate = 700000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_a_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_a_out0 = { + .name = "pll_a_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_a, + .reg = 0xb4, + .reg_shift = 0, + .max_rate = 100000000, +}; + +static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { + { 12000000, 216000000, 216, 12, 1, 4}, + { 13000000, 216000000, 216, 13, 1, 4}, + { 16800000, 216000000, 180, 14, 1, 4}, + { 19200000, 216000000, 180, 16, 1, 4}, + { 26000000, 216000000, 216, 26, 1, 4}, + + { 12000000, 594000000, 594, 12, 1, 8}, + { 13000000, 594000000, 594, 13, 1, 8}, + { 16800000, 594000000, 495, 14, 1, 8}, + { 19200000, 594000000, 495, 16, 1, 8}, + { 26000000, 594000000, 594, 26, 1, 8}, + + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_d = { + .name = "pll_d", + .flags = PLL_HAS_CPCON | PLLD, + .ops = &tegra_plld_ops, + .reg = 0xd0, + .parent = &tegra_pll_ref, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d_out0 = { + .name = "pll_d_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d, + .max_rate = 500000000, +}; + +static struct clk tegra_pll_d2 = { + .name = "pll_d2", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, + .ops = &tegra_plld_ops, + .reg = 0x4b8, + .parent = &tegra_pll_ref, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d2_out0 = { + .name = "pll_d2_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d2, + .max_rate = 500000000, +}; + +static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { + { 12000000, 480000000, 960, 12, 2, 12}, + { 13000000, 480000000, 960, 13, 2, 12}, + { 16800000, 480000000, 400, 7, 2, 5}, + { 19200000, 480000000, 200, 4, 2, 3}, + { 26000000, 480000000, 960, 26, 2, 12}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_u = { + .name = "pll_u", + .flags = PLL_HAS_CPCON | PLLU, + .ops = &tegra30_pll_ops, + .reg = 0xc0, + .parent = &tegra_pll_ref, + .max_rate = 480000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .freq_table = tegra_pll_u_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { + /* 1.7 GHz */ + { 12000000, 1700000000, 850, 6, 1, 8}, + { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */ + { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */ + { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */ + { 26000000, 1700000000, 850, 13, 1, 8}, + + /* 1.6 GHz */ + { 12000000, 1600000000, 800, 6, 1, 8}, + { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */ + { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */ + { 19200000, 1600000000, 500, 6, 1, 8}, + { 26000000, 1600000000, 800, 13, 1, 8}, + + /* 1.5 GHz */ + { 12000000, 1500000000, 750, 6, 1, 8}, + { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */ + { 16800000, 1500000000, 625, 7, 1, 8}, + { 19200000, 1500000000, 625, 8, 1, 8}, + { 26000000, 1500000000, 750, 13, 1, 8}, + + /* 1.4 GHz */ + { 12000000, 1400000000, 700, 6, 1, 8}, + { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */ + { 16800000, 1400000000, 1000, 12, 1, 8}, + { 19200000, 1400000000, 875, 12, 1, 8}, + { 26000000, 1400000000, 700, 13, 1, 8}, + + /* 1.3 GHz */ + { 12000000, 1300000000, 975, 9, 1, 8}, + { 13000000, 1300000000, 1000, 10, 1, 8}, + { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */ + { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */ + { 26000000, 1300000000, 650, 13, 1, 8}, + + /* 1.2 GHz */ + { 12000000, 1200000000, 1000, 10, 1, 8}, + { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */ + { 16800000, 1200000000, 1000, 14, 1, 8}, + { 19200000, 1200000000, 1000, 16, 1, 8}, + { 26000000, 1200000000, 600, 13, 1, 8}, + + /* 1.1 GHz */ + { 12000000, 1100000000, 825, 9, 1, 8}, + { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */ + { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */ + { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */ + { 26000000, 1100000000, 550, 13, 1, 8}, + + /* 1 GHz */ + { 12000000, 1000000000, 1000, 12, 1, 8}, + { 13000000, 1000000000, 1000, 13, 1, 8}, + { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */ + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 8}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_x = { + .name = "pll_x", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, + .ops = &tegra30_pll_ops, + .reg = 0xe0, + .parent = &tegra_pll_ref, + .max_rate = 1700000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1700000000, + .freq_table = tegra_pll_x_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_x_out0 = { + .name = "pll_x_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLX, + .parent = &tegra_pll_x, + .max_rate = 850000000, +}; + + +static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { + /* PLLE special case: use cpcon field to store cml divider value */ + { 12000000, 100000000, 150, 1, 18, 11}, + { 216000000, 100000000, 200, 18, 24, 13}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_e = { + .name = "pll_e", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra30_plle_ops, + .reg = 0xe8, + .max_rate = 100000000, + .u.pll = { + .input_min = 12000000, + .input_max = 216000000, + .cf_min = 12000000, + .cf_max = 12000000, + .vco_min = 1200000000, + .vco_max = 2400000000U, + .freq_table = tegra_pll_e_freq_table, + .lock_delay = 300, + .fixed_rate = 100000000, + }, +}; + +static struct clk tegra_cml0_clk = { + .name = "cml0", + .parent = &tegra_pll_e, + .ops = &tegra_cml_clk_ops, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 0, + }, +}; + +static struct clk tegra_cml1_clk = { + .name = "cml1", + .parent = &tegra_pll_e, + .ops = &tegra_cml_clk_ops, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 1, + }, +}; + +static struct clk tegra_pciex_clk = { + .name = "pciex", + .parent = &tegra_pll_e, + .ops = &tegra_pciex_clk_ops, + .max_rate = 100000000, + .u.periph = { + .clk_num = 74, + }, +}; + +/* Audio sync clocks */ +#define SYNC_SOURCE(_id) \ + { \ + .name = #_id "_sync", \ + .rate = 24000000, \ + .max_rate = 24000000, \ + .ops = &tegra_sync_source_ops \ + } +static struct clk tegra_sync_source_list[] = { + SYNC_SOURCE(spdif_in), + SYNC_SOURCE(i2s0), + SYNC_SOURCE(i2s1), + SYNC_SOURCE(i2s2), + SYNC_SOURCE(i2s3), + SYNC_SOURCE(i2s4), + SYNC_SOURCE(vimclk), +}; + +static struct clk_mux_sel mux_audio_sync_clk[] = { + { .input = &tegra_sync_source_list[0], .value = 0}, + { .input = &tegra_sync_source_list[1], .value = 1}, + { .input = &tegra_sync_source_list[2], .value = 2}, + { .input = &tegra_sync_source_list[3], .value = 3}, + { .input = &tegra_sync_source_list[4], .value = 4}, + { .input = &tegra_sync_source_list[5], .value = 5}, + { .input = &tegra_pll_a_out0, .value = 6}, + { .input = &tegra_sync_source_list[6], .value = 7}, + { 0, 0 } +}; + +#define AUDIO_SYNC_CLK(_id, _index) \ + { \ + .name = #_id, \ + .inputs = mux_audio_sync_clk, \ + .reg = 0x4A0 + (_index) * 4, \ + .max_rate = 24000000, \ + .ops = &tegra30_audio_sync_clk_ops \ + } +static struct clk tegra_clk_audio_list[] = { + AUDIO_SYNC_CLK(audio0, 0), + AUDIO_SYNC_CLK(audio1, 1), + AUDIO_SYNC_CLK(audio2, 2), + AUDIO_SYNC_CLK(audio3, 3), + AUDIO_SYNC_CLK(audio4, 4), + AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ +}; + +#define AUDIO_SYNC_2X_CLK(_id, _index) \ + { \ + .name = #_id "_2x", \ + .flags = PERIPH_NO_RESET, \ + .max_rate = 48000000, \ + .ops = &tegra30_clk_double_ops, \ + .reg = 0x49C, \ + .reg_shift = 24 + (_index), \ + .parent = &tegra_clk_audio_list[(_index)], \ + .u.periph = { \ + .clk_num = 113 + (_index), \ + }, \ + } +static struct clk tegra_clk_audio_2x_list[] = { + AUDIO_SYNC_2X_CLK(audio0, 0), + AUDIO_SYNC_2X_CLK(audio1, 1), + AUDIO_SYNC_2X_CLK(audio2, 2), + AUDIO_SYNC_2X_CLK(audio3, 3), + AUDIO_SYNC_2X_CLK(audio4, 4), + AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ +}; + +#define MUX_I2S_SPDIF(_id, _index) \ +static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ + {.input = &tegra_pll_a_out0, .value = 0}, \ + {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ + {.input = &tegra_pll_p, .value = 2}, \ + {.input = &tegra_clk_m, .value = 3}, \ + { 0, 0}, \ +} +MUX_I2S_SPDIF(audio0, 0); +MUX_I2S_SPDIF(audio1, 1); +MUX_I2S_SPDIF(audio2, 2); +MUX_I2S_SPDIF(audio3, 3); +MUX_I2S_SPDIF(audio4, 4); +MUX_I2S_SPDIF(audio, 5); /* SPDIF */ + +/* External clock outputs (through PMC) */ +#define MUX_EXTERN_OUT(_id) \ +static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ + {.input = &tegra_clk_m, .value = 0}, \ + {.input = &tegra_clk_m_div2, .value = 1}, \ + {.input = &tegra_clk_m_div4, .value = 2}, \ + {.input = NULL, .value = 3}, /* placeholder */ \ + { 0, 0}, \ +} +MUX_EXTERN_OUT(1); +MUX_EXTERN_OUT(2); +MUX_EXTERN_OUT(3); + +static struct clk_mux_sel *mux_extern_out_list[] = { + mux_clkm_clkm2_clkm4_extern1, + mux_clkm_clkm2_clkm4_extern2, + mux_clkm_clkm2_clkm4_extern3, +}; + +#define CLK_OUT_CLK(_id) \ + { \ + .name = "clk_out_" #_id, \ + .lookup = { \ + .dev_id = "clk_out_" #_id, \ + .con_id = "extern" #_id, \ + }, \ + .ops = &tegra_clk_out_ops, \ + .reg = 0x1a8, \ + .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ + .flags = MUX_CLK_OUT, \ + .max_rate = 216000000, \ + .u.periph = { \ + .clk_num = (_id - 1) * 8 + 2, \ + }, \ + } +static struct clk tegra_clk_out_list[] = { + CLK_OUT_CLK(1), + CLK_OUT_CLK(2), + CLK_OUT_CLK(3), +}; + +/* called after peripheral external clocks are initialized */ +static void init_clk_out_mux(void) +{ + int i; + struct clk *c; + + /* output clock con_id is the name of peripheral + external clock connected to input 3 of the output mux */ + for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { + c = tegra_get_clock_by_name( + tegra_clk_out_list[i].lookup.con_id); + if (!c) + pr_err("%s: could not find clk %s\n", __func__, + tegra_clk_out_list[i].lookup.con_id); + mux_extern_out_list[i][3].input = c; + } +} + +/* Peripheral muxes */ +static struct clk_mux_sel mux_sclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c_out1, .value = 1}, + { .input = &tegra_pll_p_out4, .value = 2}, + { .input = &tegra_pll_p_out3, .value = 3}, + { .input = &tegra_pll_p_out2, .value = 4}, + /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ + { .input = &tegra_clk_32k, .value = 6}, + { .input = &tegra_pll_m_out1, .value = 7}, + { 0, 0}, +}; + +static struct clk tegra_clk_sclk = { + .name = "sclk", + .inputs = mux_sclk, + .reg = 0x28, + .ops = &tegra30_super_ops, + .max_rate = 334000000, + .min_rate = 40000000, +}; + +static struct clk tegra_clk_blink = { + .name = "blink", + .parent = &tegra_clk_32k, + .reg = 0x40, + .ops = &tegra30_blink_clk_ops, + .max_rate = 32768, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_pll_a_out0, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_m, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_d_out0, .value = 1}, + {.input = &tegra_pll_c, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_m, .value = 1}, + {.input = &tegra_pll_d_out0, .value = 2}, + {.input = &tegra_pll_a_out0, .value = 3}, + {.input = &tegra_pll_c, .value = 4}, + {.input = &tegra_pll_d2_out0, .value = 5}, + {.input = &tegra_clk_m, .value = 6}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { + { .input = &tegra_pll_a_out0, .value = 0}, + /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_32k, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_m, .value = 2}, + {.input = &tegra_clk_32k, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_pll_m, .value = 2}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_clk_m[] = { + { .input = &tegra_clk_m, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_out3[] = { + { .input = &tegra_pll_p_out3, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plld_out0[] = { + { .input = &tegra_pll_d_out0, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { + { .input = &tegra_pll_d_out0, .value = 0}, + { .input = &tegra_pll_d2_out0, .value = 1}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_clk_32k[] = { + { .input = &tegra_clk_32k, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { + { .input = &tegra_pll_a_out0, .value = 0}, + { .input = &tegra_clk_32k, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { .input = &tegra_pll_e, .value = 4}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_cclk_g[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_clk_32k, .value = 2}, + { .input = &tegra_pll_m, .value = 3}, + { .input = &tegra_pll_p, .value = 4}, + { .input = &tegra_pll_p_out4, .value = 5}, + { .input = &tegra_pll_p_out3, .value = 6}, + { .input = &tegra_pll_x, .value = 8}, + { 0, 0}, +}; + +static struct clk tegra_clk_cclk_g = { + .name = "cclk_g", + .flags = DIV_U71 | DIV_U71_INT, + .inputs = mux_cclk_g, + .reg = 0x368, + .ops = &tegra30_super_ops, + .max_rate = 1700000000, +}; + +static struct clk tegra30_clk_twd = { + .parent = &tegra_clk_cclk_g, + .name = "twd", + .ops = &tegra30_twd_ops, + .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ + .mul = 1, + .div = 2, +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra30_periph_clk_ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ + _flags, _ops) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = _ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_clk_shared_bus_ops, \ + .parent = _parent, \ + .u.shared_bus_user = { \ + .client_id = _id, \ + .client_div = _div, \ + .mode = _mode, \ + }, \ + } +struct clk tegra_list_clks[] = { + PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), + PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), + PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), + PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), + PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), + PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), + PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), + PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ + PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ + PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), + PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), + PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), + PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), + PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), + PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), + PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), + PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), + PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), + PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), + PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), + PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), + PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ + PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), + + PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), + PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), + PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + } + +/* Some clocks may be used by different drivers depending on the board + * configuration. List those here to register them twice in the clock lookup + * table under two names. + */ +struct clk_duplicate tegra_clk_duplicates[] = { + CLK_DUPLICATE("uarta", "serial8250.0", NULL), + CLK_DUPLICATE("uartb", "serial8250.1", NULL), + CLK_DUPLICATE("uartc", "serial8250.2", NULL), + CLK_DUPLICATE("uartd", "serial8250.3", NULL), + CLK_DUPLICATE("uarte", "serial8250.4", NULL), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("dsib", "tegradc.0", "dsib"), + CLK_DUPLICATE("dsia", "tegradc.1", "dsia"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("bsev", "tegra-avp", "bsev"), + CLK_DUPLICATE("bsev", "nvavp", "bsev"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("bsea", "tegra-aes", "bsea"), + CLK_DUPLICATE("bsea", "nvavp", "bsea"), + CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL), + CLK_DUPLICATE("cml0", "tegra_pcie", "cml"), + CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"), + CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL), + CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL), + CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL), + CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL), + CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL), + CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL), + CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL), + CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL), + CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL), + CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL), + CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL), + CLK_DUPLICATE("twd", "smp_twd", NULL), + CLK_DUPLICATE("vcp", "nvavp", "vcp"), + CLK_DUPLICATE("i2s0", NULL, "i2s0"), + CLK_DUPLICATE("i2s1", NULL, "i2s1"), + CLK_DUPLICATE("i2s2", NULL, "i2s2"), + CLK_DUPLICATE("i2s3", NULL, "i2s3"), + CLK_DUPLICATE("i2s4", NULL, "i2s4"), + CLK_DUPLICATE("dam0", NULL, "dam0"), + CLK_DUPLICATE("dam1", NULL, "dam1"), + CLK_DUPLICATE("dam2", NULL, "dam2"), + CLK_DUPLICATE("spdif_in", NULL, "spdif_in"), +}; + +struct clk *tegra_ptr_clks[] = { + &tegra_clk_32k, + &tegra_clk_m, + &tegra_clk_m_div2, + &tegra_clk_m_div4, + &tegra_pll_ref, + &tegra_pll_m, + &tegra_pll_m_out1, + &tegra_pll_c, + &tegra_pll_c_out1, + &tegra_pll_p, + &tegra_pll_p_out1, + &tegra_pll_p_out2, + &tegra_pll_p_out3, + &tegra_pll_p_out4, + &tegra_pll_a, + &tegra_pll_a_out0, + &tegra_pll_d, + &tegra_pll_d_out0, + &tegra_pll_d2, + &tegra_pll_d2_out0, + &tegra_pll_u, + &tegra_pll_x, + &tegra_pll_x_out0, + &tegra_pll_e, + &tegra_clk_cclk_g, + &tegra_cml0_clk, + &tegra_cml1_clk, + &tegra_pciex_clk, + &tegra_clk_sclk, + &tegra_clk_blink, + &tegra30_clk_twd, +}; + + +static void tegra30_init_one_clock(struct clk *c) +{ + clk_init(c); + INIT_LIST_HEAD(&c->shared_bus_list); + if (!c->lookup.dev_id && !c->lookup.con_id) + c->lookup.con_id = c->name; + c->lookup.clk = c; + clkdev_add(&c->lookup); +} + +void __init tegra30_init_clocks(void) +{ + int i; + struct clk *c; + + for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) + tegra30_init_one_clock(tegra_ptr_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) + tegra30_init_one_clock(&tegra_list_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { + c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); + if (!c) { + pr_err("%s: Unknown duplicate clock %s\n", __func__, + tegra_clk_duplicates[i].name); + continue; + } + + tegra_clk_duplicates[i].lookup.clk = c; + clkdev_add(&tegra_clk_duplicates[i].lookup); + } + + for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) + tegra30_init_one_clock(&tegra_sync_source_list[i]); + for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) + tegra30_init_one_clock(&tegra_clk_audio_list[i]); + for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) + tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); + + init_clk_out_mux(); + for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) + tegra30_init_one_clock(&tegra_clk_out_list[i]); + +} -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 1/6] ARM: tegra30: Separate out clk ops and clk data @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: linux-arm-kernel Move clock initialization data to separate file. This is required for migrating to generic clock framework if static initialization is used. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/tegra30_clocks.c | 1159 +---------------------------- arch/arm/mach-tegra/tegra30_clocks.h | 43 ++ arch/arm/mach-tegra/tegra30_clocks_data.c | 1148 ++++++++++++++++++++++++++++ 4 files changed, 1214 insertions(+), 1137 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra30_clocks.h create mode 100644 arch/arm/mach-tegra/tegra30_clocks_data.c diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 508d816..f17528a 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_CPU_IDLE) += sleep.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o +obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks_data.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o obj-$(CONFIG_SMP) += reset.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c index 2ba948e..645ef69 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.c +++ b/arch/arm/mach-tegra/tegra30_clocks.c @@ -1,7 +1,7 @@ /* * arch/arm/mach-tegra/tegra30_clocks.c * - * Copyright (c) 2010-2011 NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -533,13 +533,13 @@ static void tegra30_clk_m_disable(struct clk *c) WARN(1, "Attempting to disable main SoC clock\n"); } -static struct clk_ops tegra_clk_m_ops = { +struct clk_ops tegra30_clk_m_ops = { .init = tegra30_clk_m_init, .enable = tegra30_clk_m_enable, .disable = tegra30_clk_m_disable, }; -static struct clk_ops tegra_clk_m_div_ops = { +struct clk_ops tegra_clk_m_div_ops = { .enable = tegra30_clk_m_enable, }; @@ -567,7 +567,7 @@ static void tegra30_pll_ref_init(struct clk *c) c->state = ON; } -static struct clk_ops tegra_pll_ref_ops = { +struct clk_ops tegra_pll_ref_ops = { .init = tegra30_pll_ref_init, .enable = tegra30_clk_m_enable, .disable = tegra30_clk_m_disable, @@ -707,7 +707,7 @@ static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) return clk_set_rate(c->parent, rate); } -static struct clk_ops tegra_super_ops = { +struct clk_ops tegra30_super_ops = { .init = tegra30_super_clk_init, .enable = tegra30_super_clk_enable, .disable = tegra30_super_clk_disable, @@ -722,7 +722,7 @@ static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra30_twd_ops = { +struct clk_ops tegra30_twd_ops = { .set_rate = tegra30_twd_clk_set_rate, }; @@ -801,7 +801,7 @@ static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_blink_clk_ops = { +struct clk_ops tegra30_blink_clk_ops = { .init = &tegra30_blink_clk_init, .enable = &tegra30_blink_clk_enable, .disable = &tegra30_blink_clk_disable, @@ -829,7 +829,6 @@ static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg, return 0; } - static void tegra30_utmi_param_configure(struct clk *c) { u32 reg; @@ -1100,7 +1099,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_pll_ops = { +struct clk_ops tegra30_pll_ops = { .init = tegra30_pll_clk_init, .enable = tegra30_pll_clk_enable, .disable = tegra30_pll_clk_disable, @@ -1141,7 +1140,7 @@ tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return 0; } -static struct clk_ops tegra_plld_ops = { +struct clk_ops tegra_plld_ops = { .init = tegra30_pll_clk_init, .enable = tegra30_pll_clk_enable, .disable = tegra30_pll_clk_disable, @@ -1258,7 +1257,7 @@ static int tegra30_plle_clk_enable(struct clk *c) return tegra30_plle_configure(c, !c->set); } -static struct clk_ops tegra_plle_ops = { +struct clk_ops tegra30_plle_ops = { .init = tegra30_plle_clk_init, .enable = tegra30_plle_clk_enable, .disable = tegra30_plle_clk_disable, @@ -1386,7 +1385,7 @@ static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_div_ops = { +struct clk_ops tegra30_pll_div_ops = { .init = tegra30_pll_div_clk_init, .enable = tegra30_pll_div_clk_enable, .disable = tegra30_pll_div_clk_disable, @@ -1634,7 +1633,7 @@ static long tegra30_periph_clk_round_rate(struct clk *c, return -EINVAL; } -static struct clk_ops tegra_periph_clk_ops = { +struct clk_ops tegra30_periph_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1644,7 +1643,6 @@ static struct clk_ops tegra_periph_clk_ops = { .reset = &tegra30_periph_clk_reset, }; - /* Periph extended clock configuration ops */ static int tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) @@ -1660,7 +1658,7 @@ tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_vi_clk_ops = { +struct clk_ops tegra_vi_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1686,7 +1684,7 @@ tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_nand_clk_ops = { +struct clk_ops tegra_nand_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1697,7 +1695,6 @@ static struct clk_ops tegra_nand_clk_ops = { .reset = &tegra30_periph_clk_reset, }; - static int tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) { @@ -1713,7 +1710,7 @@ tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_dtv_clk_ops = { +struct clk_ops tegra_dtv_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1753,7 +1750,7 @@ static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_dsib_clk_ops = { +struct clk_ops tegra_dsib_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1764,7 +1761,7 @@ static struct clk_ops tegra_dsib_clk_ops = { }; /* pciex clock support only reset function */ -static struct clk_ops tegra_pciex_clk_ops = { +struct clk_ops tegra_pciex_clk_ops = { .reset = tegra30_periph_clk_reset, }; @@ -1851,14 +1848,13 @@ static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_clk_out_ops = { +struct clk_ops tegra_clk_out_ops = { .init = &tegra30_clk_out_init, .enable = &tegra30_clk_out_enable, .disable = &tegra30_clk_out_disable, .set_parent = &tegra30_clk_out_set_parent, }; - /* Clock doubler ops */ static void tegra30_clk_double_init(struct clk *c) { @@ -1890,7 +1886,7 @@ static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_clk_double_ops = { +struct clk_ops tegra30_clk_double_ops = { .init = &tegra30_clk_double_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1904,7 +1900,7 @@ static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_sync_source_ops = { +struct clk_ops tegra_sync_source_ops = { .set_rate = &tegra30_sync_source_set_rate, }; @@ -1961,7 +1957,7 @@ static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_audio_sync_clk_ops = { +struct clk_ops tegra30_audio_sync_clk_ops = { .init = tegra30_audio_sync_clk_init, .enable = tegra30_audio_sync_clk_enable, .disable = tegra30_audio_sync_clk_disable, @@ -1990,1119 +1986,8 @@ static void tegra30_cml_clk_disable(struct clk *c) clk_writel(val, c->reg); } -static struct clk_ops tegra_cml_clk_ops = { +struct clk_ops tegra_cml_clk_ops = { .init = &tegra30_cml_clk_init, .enable = &tegra30_cml_clk_enable, .disable = &tegra30_cml_clk_disable, }; - -/* Clock definitions */ -static struct clk tegra_clk_32k = { - .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, -}; - -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 48000000, -}; - -static struct clk tegra_clk_m_div2 = { - .name = "clk_m_div2", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 2, - .state = ON, - .max_rate = 24000000, -}; - -static struct clk tegra_clk_m_div4 = { - .name = "clk_m_div4", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 4, - .state = ON, - .max_rate = 12000000, -}; - -static struct clk tegra_pll_ref = { - .name = "pll_ref", - .flags = ENABLE_ON_INIT, - .ops = &tegra_pll_ref_ops, - .parent = &tegra_clk_m, - .max_rate = 26000000, -}; - -static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { - { 12000000, 1040000000, 520, 6, 1, 8}, - { 13000000, 1040000000, 480, 6, 1, 8}, - { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ - { 19200000, 1040000000, 325, 6, 1, 6}, - { 26000000, 1040000000, 520, 13, 1, 8}, - - { 12000000, 832000000, 416, 6, 1, 8}, - { 13000000, 832000000, 832, 13, 1, 8}, - { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ - { 19200000, 832000000, 260, 6, 1, 8}, - { 26000000, 832000000, 416, 13, 1, 8}, - - { 12000000, 624000000, 624, 12, 1, 8}, - { 13000000, 624000000, 624, 13, 1, 8}, - { 16800000, 600000000, 520, 14, 1, 8}, - { 19200000, 624000000, 520, 16, 1, 8}, - { 26000000, 624000000, 624, 26, 1, 8}, - - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 16800000, 600000000, 500, 14, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - - { 12000000, 520000000, 520, 12, 1, 8}, - { 13000000, 520000000, 520, 13, 1, 8}, - { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ - { 19200000, 520000000, 325, 12, 1, 6}, - { 26000000, 520000000, 520, 26, 1, 8}, - - { 12000000, 416000000, 416, 12, 1, 8}, - { 13000000, 416000000, 416, 13, 1, 8}, - { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ - { 19200000, 416000000, 260, 12, 1, 6}, - { 26000000, 416000000, 416, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_pll_ref, - .max_rate = 1400000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 700000000, -}; - -static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { - { 12000000, 666000000, 666, 12, 1, 8}, - { 13000000, 666000000, 666, 13, 1, 8}, - { 16800000, 666000000, 555, 14, 1, 8}, - { 19200000, 666000000, 555, 16, 1, 8}, - { 26000000, 666000000, 666, 26, 1, 8}, - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 16800000, 600000000, 500, 14, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON | PLLM, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_pll_ref, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { - { 12000000, 216000000, 432, 12, 2, 8}, - { 13000000, 216000000, 432, 13, 2, 8}, - { 16800000, 216000000, 360, 14, 2, 8}, - { 19200000, 216000000, 360, 16, 2, 8}, - { 26000000, 216000000, 432, 26, 2, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_pll_ref, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - .fixed_rate = 408000000, - }, -}; - -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { - { 9600000, 564480000, 294, 5, 1, 4}, - { 9600000, 552960000, 288, 5, 1, 4}, - { 9600000, 24000000, 5, 2, 1, 1}, - - { 28800000, 56448000, 49, 25, 1, 1}, - { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 24000000, 5, 6, 1, 1}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 100000000, -}; - -static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { - { 12000000, 216000000, 216, 12, 1, 4}, - { 13000000, 216000000, 216, 13, 1, 4}, - { 16800000, 216000000, 180, 14, 1, 4}, - { 19200000, 216000000, 180, 16, 1, 4}, - { 26000000, 216000000, 216, 26, 1, 4}, - - { 12000000, 594000000, 594, 12, 1, 8}, - { 13000000, 594000000, 594, 13, 1, 8}, - { 16800000, 594000000, 495, 14, 1, 8}, - { 19200000, 594000000, 495, 16, 1, 8}, - { 26000000, 594000000, 594, 26, 1, 8}, - - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_plld_ops, - .reg = 0xd0, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk tegra_pll_d2 = { - .name = "pll_d2", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, - .ops = &tegra_plld_ops, - .reg = 0x4b8, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d2_out0 = { - .name = "pll_d2_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d2, - .max_rate = 500000000, -}; - -static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 2, 12}, - { 13000000, 480000000, 960, 13, 2, 12}, - { 16800000, 480000000, 400, 7, 2, 5}, - { 19200000, 480000000, 200, 4, 2, 3}, - { 26000000, 480000000, 960, 26, 2, 12}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLL_HAS_CPCON | PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_pll_ref, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { - /* 1.7 GHz */ - { 12000000, 1700000000, 850, 6, 1, 8}, - { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */ - { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */ - { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */ - { 26000000, 1700000000, 850, 13, 1, 8}, - - /* 1.6 GHz */ - { 12000000, 1600000000, 800, 6, 1, 8}, - { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */ - { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */ - { 19200000, 1600000000, 500, 6, 1, 8}, - { 26000000, 1600000000, 800, 13, 1, 8}, - - /* 1.5 GHz */ - { 12000000, 1500000000, 750, 6, 1, 8}, - { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */ - { 16800000, 1500000000, 625, 7, 1, 8}, - { 19200000, 1500000000, 625, 8, 1, 8}, - { 26000000, 1500000000, 750, 13, 1, 8}, - - /* 1.4 GHz */ - { 12000000, 1400000000, 700, 6, 1, 8}, - { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */ - { 16800000, 1400000000, 1000, 12, 1, 8}, - { 19200000, 1400000000, 875, 12, 1, 8}, - { 26000000, 1400000000, 700, 13, 1, 8}, - - /* 1.3 GHz */ - { 12000000, 1300000000, 975, 9, 1, 8}, - { 13000000, 1300000000, 1000, 10, 1, 8}, - { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */ - { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */ - { 26000000, 1300000000, 650, 13, 1, 8}, - - /* 1.2 GHz */ - { 12000000, 1200000000, 1000, 10, 1, 8}, - { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */ - { 16800000, 1200000000, 1000, 14, 1, 8}, - { 19200000, 1200000000, 1000, 16, 1, 8}, - { 26000000, 1200000000, 600, 13, 1, 8}, - - /* 1.1 GHz */ - { 12000000, 1100000000, 825, 9, 1, 8}, - { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */ - { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */ - { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */ - { 26000000, 1100000000, 550, 13, 1, 8}, - - /* 1 GHz */ - { 12000000, 1000000000, 1000, 12, 1, 8}, - { 13000000, 1000000000, 1000, 13, 1, 8}, - { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */ - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 8}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, - .ops = &tegra_pll_ops, - .reg = 0xe0, - .parent = &tegra_pll_ref, - .max_rate = 1700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1700000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_x_out0 = { - .name = "pll_x_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLX, - .parent = &tegra_pll_x, - .max_rate = 850000000, -}; - - -static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { - /* PLLE special case: use cpcon field to store cml divider value */ - { 12000000, 100000000, 150, 1, 18, 11}, - { 216000000, 100000000, 200, 18, 24, 13}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 216000000, - .cf_min = 12000000, - .cf_max = 12000000, - .vco_min = 1200000000, - .vco_max = 2400000000U, - .freq_table = tegra_pll_e_freq_table, - .lock_delay = 300, - .fixed_rate = 100000000, - }, -}; - -static struct clk tegra_cml0_clk = { - .name = "cml0", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = PLLE_AUX, - .max_rate = 100000000, - .u.periph = { - .clk_num = 0, - }, -}; - -static struct clk tegra_cml1_clk = { - .name = "cml1", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = PLLE_AUX, - .max_rate = 100000000, - .u.periph = { - .clk_num = 1, - }, -}; - -static struct clk tegra_pciex_clk = { - .name = "pciex", - .parent = &tegra_pll_e, - .ops = &tegra_pciex_clk_ops, - .max_rate = 100000000, - .u.periph = { - .clk_num = 74, - }, -}; - -/* Audio sync clocks */ -#define SYNC_SOURCE(_id) \ - { \ - .name = #_id "_sync", \ - .rate = 24000000, \ - .max_rate = 24000000, \ - .ops = &tegra_sync_source_ops \ - } -static struct clk tegra_sync_source_list[] = { - SYNC_SOURCE(spdif_in), - SYNC_SOURCE(i2s0), - SYNC_SOURCE(i2s1), - SYNC_SOURCE(i2s2), - SYNC_SOURCE(i2s3), - SYNC_SOURCE(i2s4), - SYNC_SOURCE(vimclk), -}; - -static struct clk_mux_sel mux_audio_sync_clk[] = { - { .input = &tegra_sync_source_list[0], .value = 0}, - { .input = &tegra_sync_source_list[1], .value = 1}, - { .input = &tegra_sync_source_list[2], .value = 2}, - { .input = &tegra_sync_source_list[3], .value = 3}, - { .input = &tegra_sync_source_list[4], .value = 4}, - { .input = &tegra_sync_source_list[5], .value = 5}, - { .input = &tegra_pll_a_out0, .value = 6}, - { .input = &tegra_sync_source_list[6], .value = 7}, - { 0, 0 } -}; - -#define AUDIO_SYNC_CLK(_id, _index) \ - { \ - .name = #_id, \ - .inputs = mux_audio_sync_clk, \ - .reg = 0x4A0 + (_index) * 4, \ - .max_rate = 24000000, \ - .ops = &tegra_audio_sync_clk_ops \ - } -static struct clk tegra_clk_audio_list[] = { - AUDIO_SYNC_CLK(audio0, 0), - AUDIO_SYNC_CLK(audio1, 1), - AUDIO_SYNC_CLK(audio2, 2), - AUDIO_SYNC_CLK(audio3, 3), - AUDIO_SYNC_CLK(audio4, 4), - AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ -}; - -#define AUDIO_SYNC_2X_CLK(_id, _index) \ - { \ - .name = #_id "_2x", \ - .flags = PERIPH_NO_RESET, \ - .max_rate = 48000000, \ - .ops = &tegra_clk_double_ops, \ - .reg = 0x49C, \ - .reg_shift = 24 + (_index), \ - .parent = &tegra_clk_audio_list[(_index)], \ - .u.periph = { \ - .clk_num = 113 + (_index), \ - }, \ - } -static struct clk tegra_clk_audio_2x_list[] = { - AUDIO_SYNC_2X_CLK(audio0, 0), - AUDIO_SYNC_2X_CLK(audio1, 1), - AUDIO_SYNC_2X_CLK(audio2, 2), - AUDIO_SYNC_2X_CLK(audio3, 3), - AUDIO_SYNC_2X_CLK(audio4, 4), - AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ -}; - -#define MUX_I2S_SPDIF(_id, _index) \ -static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ - {.input = &tegra_pll_a_out0, .value = 0}, \ - {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ - {.input = &tegra_pll_p, .value = 2}, \ - {.input = &tegra_clk_m, .value = 3}, \ - { 0, 0}, \ -} -MUX_I2S_SPDIF(audio0, 0); -MUX_I2S_SPDIF(audio1, 1); -MUX_I2S_SPDIF(audio2, 2); -MUX_I2S_SPDIF(audio3, 3); -MUX_I2S_SPDIF(audio4, 4); -MUX_I2S_SPDIF(audio, 5); /* SPDIF */ - -/* External clock outputs (through PMC) */ -#define MUX_EXTERN_OUT(_id) \ -static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ - {.input = &tegra_clk_m, .value = 0}, \ - {.input = &tegra_clk_m_div2, .value = 1}, \ - {.input = &tegra_clk_m_div4, .value = 2}, \ - {.input = NULL, .value = 3}, /* placeholder */ \ - { 0, 0}, \ -} -MUX_EXTERN_OUT(1); -MUX_EXTERN_OUT(2); -MUX_EXTERN_OUT(3); - -static struct clk_mux_sel *mux_extern_out_list[] = { - mux_clkm_clkm2_clkm4_extern1, - mux_clkm_clkm2_clkm4_extern2, - mux_clkm_clkm2_clkm4_extern3, -}; - -#define CLK_OUT_CLK(_id) \ - { \ - .name = "clk_out_" #_id, \ - .lookup = { \ - .dev_id = "clk_out_" #_id, \ - .con_id = "extern" #_id, \ - }, \ - .ops = &tegra_clk_out_ops, \ - .reg = 0x1a8, \ - .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ - .flags = MUX_CLK_OUT, \ - .max_rate = 216000000, \ - .u.periph = { \ - .clk_num = (_id - 1) * 8 + 2, \ - }, \ - } -static struct clk tegra_clk_out_list[] = { - CLK_OUT_CLK(1), - CLK_OUT_CLK(2), - CLK_OUT_CLK(3), -}; - -/* called after peripheral external clocks are initialized */ -static void init_clk_out_mux(void) -{ - int i; - struct clk *c; - - /* output clock con_id is the name of peripheral - external clock connected to input 3 of the output mux */ - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { - c = tegra_get_clock_by_name( - tegra_clk_out_list[i].lookup.con_id); - if (!c) - pr_err("%s: could not find clk %s\n", __func__, - tegra_clk_out_list[i].lookup.con_id); - mux_extern_out_list[i][3].input = c; - } -} - -/* Peripheral muxes */ -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { 0, 0}, -}; - -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, - .max_rate = 334000000, - .min_rate = 40000000, -}; - -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_m, .value = 1}, - {.input = &tegra_pll_d_out0, .value = 2}, - {.input = &tegra_pll_a_out0, .value = 3}, - {.input = &tegra_pll_c, .value = 4}, - {.input = &tegra_pll_d2_out0, .value = 5}, - {.input = &tegra_clk_m, .value = 6}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_32k, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_m, .value = 2}, - {.input = &tegra_clk_32k, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plld_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { .input = &tegra_pll_d2_out0, .value = 1}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - { .input = &tegra_clk_32k, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { .input = &tegra_pll_e, .value = 4}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_cclk_g[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_pll_x, .value = 8}, - { 0, 0}, -}; - -static struct clk tegra_clk_cclk_g = { - .name = "cclk_g", - .flags = DIV_U71 | DIV_U71_INT, - .inputs = mux_cclk_g, - .reg = 0x368, - .ops = &tegra_super_ops, - .max_rate = 1700000000, -}; - -static struct clk tegra30_clk_twd = { - .parent = &tegra_clk_cclk_g, - .name = "twd", - .ops = &tegra30_twd_ops, - .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ - .mul = 1, - .div = 2, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ - _flags, _ops) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = _ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - .u.shared_bus_user = { \ - .client_id = _id, \ - .client_div = _div, \ - .mode = _mode, \ - }, \ - } -struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), - PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), - PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - - PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), - PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - } - -/* Some clocks may be used by different drivers depending on the board - * configuration. List those here to register them twice in the clock lookup - * table under two names. - */ -struct clk_duplicate tegra_clk_duplicates[] = { - CLK_DUPLICATE("uarta", "serial8250.0", NULL), - CLK_DUPLICATE("uartb", "serial8250.1", NULL), - CLK_DUPLICATE("uartc", "serial8250.2", NULL), - CLK_DUPLICATE("uartd", "serial8250.3", NULL), - CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("dsib", "tegradc.0", "dsib"), - CLK_DUPLICATE("dsia", "tegradc.1", "dsia"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("bsev", "tegra-avp", "bsev"), - CLK_DUPLICATE("bsev", "nvavp", "bsev"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), - CLK_DUPLICATE("bsea", "tegra-aes", "bsea"), - CLK_DUPLICATE("bsea", "nvavp", "bsea"), - CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL), - CLK_DUPLICATE("cml0", "tegra_pcie", "cml"), - CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"), - CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL), - CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL), - CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL), - CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL), - CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL), - CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL), - CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL), - CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL), - CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL), - CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL), - CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL), - CLK_DUPLICATE("twd", "smp_twd", NULL), - CLK_DUPLICATE("vcp", "nvavp", "vcp"), - CLK_DUPLICATE("i2s0", NULL, "i2s0"), - CLK_DUPLICATE("i2s1", NULL, "i2s1"), - CLK_DUPLICATE("i2s2", NULL, "i2s2"), - CLK_DUPLICATE("i2s3", NULL, "i2s3"), - CLK_DUPLICATE("i2s4", NULL, "i2s4"), - CLK_DUPLICATE("dam0", NULL, "dam0"), - CLK_DUPLICATE("dam1", NULL, "dam1"), - CLK_DUPLICATE("dam2", NULL, "dam2"), - CLK_DUPLICATE("spdif_in", NULL, "spdif_in"), -}; - -struct clk *tegra_ptr_clks[] = { - &tegra_clk_32k, - &tegra_clk_m, - &tegra_clk_m_div2, - &tegra_clk_m_div4, - &tegra_pll_ref, - &tegra_pll_m, - &tegra_pll_m_out1, - &tegra_pll_c, - &tegra_pll_c_out1, - &tegra_pll_p, - &tegra_pll_p_out1, - &tegra_pll_p_out2, - &tegra_pll_p_out3, - &tegra_pll_p_out4, - &tegra_pll_a, - &tegra_pll_a_out0, - &tegra_pll_d, - &tegra_pll_d_out0, - &tegra_pll_d2, - &tegra_pll_d2_out0, - &tegra_pll_u, - &tegra_pll_x, - &tegra_pll_x_out0, - &tegra_pll_e, - &tegra_clk_cclk_g, - &tegra_cml0_clk, - &tegra_cml1_clk, - &tegra_pciex_clk, - &tegra_clk_sclk, - &tegra_clk_blink, - &tegra30_clk_twd, -}; - - -static void tegra30_init_one_clock(struct clk *c) -{ - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); -} - -void __init tegra30_init_clocks(void) -{ - int i; - struct clk *c; - - for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) - tegra30_init_one_clock(tegra_ptr_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra30_init_one_clock(&tegra_list_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); - if (!c) { - pr_err("%s: Unknown duplicate clock %s\n", __func__, - tegra_clk_duplicates[i].name); - continue; - } - - tegra_clk_duplicates[i].lookup.clk = c; - clkdev_add(&tegra_clk_duplicates[i].lookup); - } - - for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) - tegra30_init_one_clock(&tegra_sync_source_list[i]); - for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_list[i]); - for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); - - init_clk_out_mux(); - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) - tegra30_init_one_clock(&tegra_clk_out_list[i]); - -} diff --git a/arch/arm/mach-tegra/tegra30_clocks.h b/arch/arm/mach-tegra/tegra30_clocks.h new file mode 100644 index 0000000..f8c4df5 --- /dev/null +++ b/arch/arm/mach-tegra/tegra30_clocks.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA30_CLOCK_H +#define __MACH_TEGRA30_CLOCK_H + +extern struct clk_ops tegra30_clk_m_ops; +extern struct clk_ops tegra_clk_m_div_ops; +extern struct clk_ops tegra_pll_ref_ops; +extern struct clk_ops tegra30_pll_ops; +extern struct clk_ops tegra30_pll_div_ops; +extern struct clk_ops tegra_plld_ops; +extern struct clk_ops tegra30_plle_ops; +extern struct clk_ops tegra_cml_clk_ops; +extern struct clk_ops tegra_pciex_clk_ops; +extern struct clk_ops tegra_sync_source_ops; +extern struct clk_ops tegra30_audio_sync_clk_ops; +extern struct clk_ops tegra30_clk_double_ops; +extern struct clk_ops tegra_clk_out_ops; +extern struct clk_ops tegra30_super_ops; +extern struct clk_ops tegra30_blink_clk_ops; +extern struct clk_ops tegra30_twd_ops; +extern struct clk_ops tegra30_periph_clk_ops; +extern struct clk_ops tegra_dsib_clk_ops; +extern struct clk_ops tegra_nand_clk_ops; +extern struct clk_ops tegra_vi_clk_ops; +extern struct clk_ops tegra_dtv_clk_ops; +extern struct clk_ops tegra_clk_shared_bus_ops; + +#endif diff --git a/arch/arm/mach-tegra/tegra30_clocks_data.c b/arch/arm/mach-tegra/tegra30_clocks_data.c new file mode 100644 index 0000000..bf25a38 --- /dev/null +++ b/arch/arm/mach-tegra/tegra30_clocks_data.c @@ -0,0 +1,1148 @@ +/* + * arch/arm/mach-tegra/tegra30_clocks_data.c + * + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/cpufreq.h> + +#include <asm/clkdev.h> + +#include <mach/iomap.h> + +#include "clock.h" +#include "fuse.h" +#include "tegra30_clocks.h" + +/* Clock definitions */ +static struct clk tegra_clk_32k = { + .name = "clk_32k", + .rate = 32768, + .ops = NULL, + .max_rate = 32768, +}; + +static struct clk tegra_clk_m = { + .name = "clk_m", + .flags = ENABLE_ON_INIT, + .ops = &tegra30_clk_m_ops, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 48000000, +}; + +static struct clk tegra_clk_m_div2 = { + .name = "clk_m_div2", + .ops = &tegra_clk_m_div_ops, + .parent = &tegra_clk_m, + .mul = 1, + .div = 2, + .state = ON, + .max_rate = 24000000, +}; + +static struct clk tegra_clk_m_div4 = { + .name = "clk_m_div4", + .ops = &tegra_clk_m_div_ops, + .parent = &tegra_clk_m, + .mul = 1, + .div = 4, + .state = ON, + .max_rate = 12000000, +}; + +static struct clk tegra_pll_ref = { + .name = "pll_ref", + .flags = ENABLE_ON_INIT, + .ops = &tegra_pll_ref_ops, + .parent = &tegra_clk_m, + .max_rate = 26000000, +}; + +static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { + { 12000000, 1040000000, 520, 6, 1, 8}, + { 13000000, 1040000000, 480, 6, 1, 8}, + { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ + { 19200000, 1040000000, 325, 6, 1, 6}, + { 26000000, 1040000000, 520, 13, 1, 8}, + + { 12000000, 832000000, 416, 6, 1, 8}, + { 13000000, 832000000, 832, 13, 1, 8}, + { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ + { 19200000, 832000000, 260, 6, 1, 8}, + { 26000000, 832000000, 416, 13, 1, 8}, + + { 12000000, 624000000, 624, 12, 1, 8}, + { 13000000, 624000000, 624, 13, 1, 8}, + { 16800000, 600000000, 520, 14, 1, 8}, + { 19200000, 624000000, 520, 16, 1, 8}, + { 26000000, 624000000, 624, 26, 1, 8}, + + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 16800000, 600000000, 500, 14, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + + { 12000000, 520000000, 520, 12, 1, 8}, + { 13000000, 520000000, 520, 13, 1, 8}, + { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ + { 19200000, 520000000, 325, 12, 1, 6}, + { 26000000, 520000000, 520, 26, 1, 8}, + + { 12000000, 416000000, 416, 12, 1, 8}, + { 13000000, 416000000, 416, 13, 1, 8}, + { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ + { 19200000, 416000000, 260, 12, 1, 6}, + { 26000000, 416000000, 416, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_c = { + .name = "pll_c", + .flags = PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0x80, + .parent = &tegra_pll_ref, + .max_rate = 1400000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_c_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_c_out1 = { + .name = "pll_c_out1", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_c, + .reg = 0x84, + .reg_shift = 0, + .max_rate = 700000000, +}; + +static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { + { 12000000, 666000000, 666, 12, 1, 8}, + { 13000000, 666000000, 666, 13, 1, 8}, + { 16800000, 666000000, 555, 14, 1, 8}, + { 19200000, 666000000, 555, 16, 1, 8}, + { 26000000, 666000000, 666, 26, 1, 8}, + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 16800000, 600000000, 500, 14, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_m = { + .name = "pll_m", + .flags = PLL_HAS_CPCON | PLLM, + .ops = &tegra30_pll_ops, + .reg = 0x90, + .parent = &tegra_pll_ref, + .max_rate = 800000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_m_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_m_out1 = { + .name = "pll_m_out1", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_m, + .reg = 0x94, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { + { 12000000, 216000000, 432, 12, 2, 8}, + { 13000000, 216000000, 432, 13, 2, 8}, + { 16800000, 216000000, 360, 14, 2, 8}, + { 19200000, 216000000, 360, 16, 2, 8}, + { 26000000, 216000000, 432, 26, 2, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_p = { + .name = "pll_p", + .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0xa0, + .parent = &tegra_pll_ref, + .max_rate = 432000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_p_freq_table, + .lock_delay = 300, + .fixed_rate = 408000000, + }, +}; + +static struct clk tegra_pll_p_out1 = { + .name = "pll_p_out1", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out2 = { + .name = "pll_p_out2", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out3 = { + .name = "pll_p_out3", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out4 = { + .name = "pll_p_out4", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { + { 9600000, 564480000, 294, 5, 1, 4}, + { 9600000, 552960000, 288, 5, 1, 4}, + { 9600000, 24000000, 5, 2, 1, 1}, + + { 28800000, 56448000, 49, 25, 1, 1}, + { 28800000, 73728000, 64, 25, 1, 1}, + { 28800000, 24000000, 5, 6, 1, 1}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_a = { + .name = "pll_a", + .flags = PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0xb0, + .parent = &tegra_pll_p_out1, + .max_rate = 700000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_a_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_a_out0 = { + .name = "pll_a_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_a, + .reg = 0xb4, + .reg_shift = 0, + .max_rate = 100000000, +}; + +static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { + { 12000000, 216000000, 216, 12, 1, 4}, + { 13000000, 216000000, 216, 13, 1, 4}, + { 16800000, 216000000, 180, 14, 1, 4}, + { 19200000, 216000000, 180, 16, 1, 4}, + { 26000000, 216000000, 216, 26, 1, 4}, + + { 12000000, 594000000, 594, 12, 1, 8}, + { 13000000, 594000000, 594, 13, 1, 8}, + { 16800000, 594000000, 495, 14, 1, 8}, + { 19200000, 594000000, 495, 16, 1, 8}, + { 26000000, 594000000, 594, 26, 1, 8}, + + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_d = { + .name = "pll_d", + .flags = PLL_HAS_CPCON | PLLD, + .ops = &tegra_plld_ops, + .reg = 0xd0, + .parent = &tegra_pll_ref, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d_out0 = { + .name = "pll_d_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d, + .max_rate = 500000000, +}; + +static struct clk tegra_pll_d2 = { + .name = "pll_d2", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, + .ops = &tegra_plld_ops, + .reg = 0x4b8, + .parent = &tegra_pll_ref, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d2_out0 = { + .name = "pll_d2_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d2, + .max_rate = 500000000, +}; + +static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { + { 12000000, 480000000, 960, 12, 2, 12}, + { 13000000, 480000000, 960, 13, 2, 12}, + { 16800000, 480000000, 400, 7, 2, 5}, + { 19200000, 480000000, 200, 4, 2, 3}, + { 26000000, 480000000, 960, 26, 2, 12}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_u = { + .name = "pll_u", + .flags = PLL_HAS_CPCON | PLLU, + .ops = &tegra30_pll_ops, + .reg = 0xc0, + .parent = &tegra_pll_ref, + .max_rate = 480000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .freq_table = tegra_pll_u_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { + /* 1.7 GHz */ + { 12000000, 1700000000, 850, 6, 1, 8}, + { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */ + { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */ + { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */ + { 26000000, 1700000000, 850, 13, 1, 8}, + + /* 1.6 GHz */ + { 12000000, 1600000000, 800, 6, 1, 8}, + { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */ + { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */ + { 19200000, 1600000000, 500, 6, 1, 8}, + { 26000000, 1600000000, 800, 13, 1, 8}, + + /* 1.5 GHz */ + { 12000000, 1500000000, 750, 6, 1, 8}, + { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */ + { 16800000, 1500000000, 625, 7, 1, 8}, + { 19200000, 1500000000, 625, 8, 1, 8}, + { 26000000, 1500000000, 750, 13, 1, 8}, + + /* 1.4 GHz */ + { 12000000, 1400000000, 700, 6, 1, 8}, + { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */ + { 16800000, 1400000000, 1000, 12, 1, 8}, + { 19200000, 1400000000, 875, 12, 1, 8}, + { 26000000, 1400000000, 700, 13, 1, 8}, + + /* 1.3 GHz */ + { 12000000, 1300000000, 975, 9, 1, 8}, + { 13000000, 1300000000, 1000, 10, 1, 8}, + { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */ + { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */ + { 26000000, 1300000000, 650, 13, 1, 8}, + + /* 1.2 GHz */ + { 12000000, 1200000000, 1000, 10, 1, 8}, + { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */ + { 16800000, 1200000000, 1000, 14, 1, 8}, + { 19200000, 1200000000, 1000, 16, 1, 8}, + { 26000000, 1200000000, 600, 13, 1, 8}, + + /* 1.1 GHz */ + { 12000000, 1100000000, 825, 9, 1, 8}, + { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */ + { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */ + { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */ + { 26000000, 1100000000, 550, 13, 1, 8}, + + /* 1 GHz */ + { 12000000, 1000000000, 1000, 12, 1, 8}, + { 13000000, 1000000000, 1000, 13, 1, 8}, + { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */ + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 8}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_x = { + .name = "pll_x", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, + .ops = &tegra30_pll_ops, + .reg = 0xe0, + .parent = &tegra_pll_ref, + .max_rate = 1700000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1700000000, + .freq_table = tegra_pll_x_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_x_out0 = { + .name = "pll_x_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLX, + .parent = &tegra_pll_x, + .max_rate = 850000000, +}; + + +static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { + /* PLLE special case: use cpcon field to store cml divider value */ + { 12000000, 100000000, 150, 1, 18, 11}, + { 216000000, 100000000, 200, 18, 24, 13}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_e = { + .name = "pll_e", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra30_plle_ops, + .reg = 0xe8, + .max_rate = 100000000, + .u.pll = { + .input_min = 12000000, + .input_max = 216000000, + .cf_min = 12000000, + .cf_max = 12000000, + .vco_min = 1200000000, + .vco_max = 2400000000U, + .freq_table = tegra_pll_e_freq_table, + .lock_delay = 300, + .fixed_rate = 100000000, + }, +}; + +static struct clk tegra_cml0_clk = { + .name = "cml0", + .parent = &tegra_pll_e, + .ops = &tegra_cml_clk_ops, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 0, + }, +}; + +static struct clk tegra_cml1_clk = { + .name = "cml1", + .parent = &tegra_pll_e, + .ops = &tegra_cml_clk_ops, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 1, + }, +}; + +static struct clk tegra_pciex_clk = { + .name = "pciex", + .parent = &tegra_pll_e, + .ops = &tegra_pciex_clk_ops, + .max_rate = 100000000, + .u.periph = { + .clk_num = 74, + }, +}; + +/* Audio sync clocks */ +#define SYNC_SOURCE(_id) \ + { \ + .name = #_id "_sync", \ + .rate = 24000000, \ + .max_rate = 24000000, \ + .ops = &tegra_sync_source_ops \ + } +static struct clk tegra_sync_source_list[] = { + SYNC_SOURCE(spdif_in), + SYNC_SOURCE(i2s0), + SYNC_SOURCE(i2s1), + SYNC_SOURCE(i2s2), + SYNC_SOURCE(i2s3), + SYNC_SOURCE(i2s4), + SYNC_SOURCE(vimclk), +}; + +static struct clk_mux_sel mux_audio_sync_clk[] = { + { .input = &tegra_sync_source_list[0], .value = 0}, + { .input = &tegra_sync_source_list[1], .value = 1}, + { .input = &tegra_sync_source_list[2], .value = 2}, + { .input = &tegra_sync_source_list[3], .value = 3}, + { .input = &tegra_sync_source_list[4], .value = 4}, + { .input = &tegra_sync_source_list[5], .value = 5}, + { .input = &tegra_pll_a_out0, .value = 6}, + { .input = &tegra_sync_source_list[6], .value = 7}, + { 0, 0 } +}; + +#define AUDIO_SYNC_CLK(_id, _index) \ + { \ + .name = #_id, \ + .inputs = mux_audio_sync_clk, \ + .reg = 0x4A0 + (_index) * 4, \ + .max_rate = 24000000, \ + .ops = &tegra30_audio_sync_clk_ops \ + } +static struct clk tegra_clk_audio_list[] = { + AUDIO_SYNC_CLK(audio0, 0), + AUDIO_SYNC_CLK(audio1, 1), + AUDIO_SYNC_CLK(audio2, 2), + AUDIO_SYNC_CLK(audio3, 3), + AUDIO_SYNC_CLK(audio4, 4), + AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ +}; + +#define AUDIO_SYNC_2X_CLK(_id, _index) \ + { \ + .name = #_id "_2x", \ + .flags = PERIPH_NO_RESET, \ + .max_rate = 48000000, \ + .ops = &tegra30_clk_double_ops, \ + .reg = 0x49C, \ + .reg_shift = 24 + (_index), \ + .parent = &tegra_clk_audio_list[(_index)], \ + .u.periph = { \ + .clk_num = 113 + (_index), \ + }, \ + } +static struct clk tegra_clk_audio_2x_list[] = { + AUDIO_SYNC_2X_CLK(audio0, 0), + AUDIO_SYNC_2X_CLK(audio1, 1), + AUDIO_SYNC_2X_CLK(audio2, 2), + AUDIO_SYNC_2X_CLK(audio3, 3), + AUDIO_SYNC_2X_CLK(audio4, 4), + AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ +}; + +#define MUX_I2S_SPDIF(_id, _index) \ +static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ + {.input = &tegra_pll_a_out0, .value = 0}, \ + {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ + {.input = &tegra_pll_p, .value = 2}, \ + {.input = &tegra_clk_m, .value = 3}, \ + { 0, 0}, \ +} +MUX_I2S_SPDIF(audio0, 0); +MUX_I2S_SPDIF(audio1, 1); +MUX_I2S_SPDIF(audio2, 2); +MUX_I2S_SPDIF(audio3, 3); +MUX_I2S_SPDIF(audio4, 4); +MUX_I2S_SPDIF(audio, 5); /* SPDIF */ + +/* External clock outputs (through PMC) */ +#define MUX_EXTERN_OUT(_id) \ +static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ + {.input = &tegra_clk_m, .value = 0}, \ + {.input = &tegra_clk_m_div2, .value = 1}, \ + {.input = &tegra_clk_m_div4, .value = 2}, \ + {.input = NULL, .value = 3}, /* placeholder */ \ + { 0, 0}, \ +} +MUX_EXTERN_OUT(1); +MUX_EXTERN_OUT(2); +MUX_EXTERN_OUT(3); + +static struct clk_mux_sel *mux_extern_out_list[] = { + mux_clkm_clkm2_clkm4_extern1, + mux_clkm_clkm2_clkm4_extern2, + mux_clkm_clkm2_clkm4_extern3, +}; + +#define CLK_OUT_CLK(_id) \ + { \ + .name = "clk_out_" #_id, \ + .lookup = { \ + .dev_id = "clk_out_" #_id, \ + .con_id = "extern" #_id, \ + }, \ + .ops = &tegra_clk_out_ops, \ + .reg = 0x1a8, \ + .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ + .flags = MUX_CLK_OUT, \ + .max_rate = 216000000, \ + .u.periph = { \ + .clk_num = (_id - 1) * 8 + 2, \ + }, \ + } +static struct clk tegra_clk_out_list[] = { + CLK_OUT_CLK(1), + CLK_OUT_CLK(2), + CLK_OUT_CLK(3), +}; + +/* called after peripheral external clocks are initialized */ +static void init_clk_out_mux(void) +{ + int i; + struct clk *c; + + /* output clock con_id is the name of peripheral + external clock connected to input 3 of the output mux */ + for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { + c = tegra_get_clock_by_name( + tegra_clk_out_list[i].lookup.con_id); + if (!c) + pr_err("%s: could not find clk %s\n", __func__, + tegra_clk_out_list[i].lookup.con_id); + mux_extern_out_list[i][3].input = c; + } +} + +/* Peripheral muxes */ +static struct clk_mux_sel mux_sclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c_out1, .value = 1}, + { .input = &tegra_pll_p_out4, .value = 2}, + { .input = &tegra_pll_p_out3, .value = 3}, + { .input = &tegra_pll_p_out2, .value = 4}, + /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ + { .input = &tegra_clk_32k, .value = 6}, + { .input = &tegra_pll_m_out1, .value = 7}, + { 0, 0}, +}; + +static struct clk tegra_clk_sclk = { + .name = "sclk", + .inputs = mux_sclk, + .reg = 0x28, + .ops = &tegra30_super_ops, + .max_rate = 334000000, + .min_rate = 40000000, +}; + +static struct clk tegra_clk_blink = { + .name = "blink", + .parent = &tegra_clk_32k, + .reg = 0x40, + .ops = &tegra30_blink_clk_ops, + .max_rate = 32768, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_pll_a_out0, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_m, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_d_out0, .value = 1}, + {.input = &tegra_pll_c, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_m, .value = 1}, + {.input = &tegra_pll_d_out0, .value = 2}, + {.input = &tegra_pll_a_out0, .value = 3}, + {.input = &tegra_pll_c, .value = 4}, + {.input = &tegra_pll_d2_out0, .value = 5}, + {.input = &tegra_clk_m, .value = 6}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { + { .input = &tegra_pll_a_out0, .value = 0}, + /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_32k, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_m, .value = 2}, + {.input = &tegra_clk_32k, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_pll_m, .value = 2}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_clk_m[] = { + { .input = &tegra_clk_m, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_out3[] = { + { .input = &tegra_pll_p_out3, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plld_out0[] = { + { .input = &tegra_pll_d_out0, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { + { .input = &tegra_pll_d_out0, .value = 0}, + { .input = &tegra_pll_d2_out0, .value = 1}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_clk_32k[] = { + { .input = &tegra_clk_32k, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { + { .input = &tegra_pll_a_out0, .value = 0}, + { .input = &tegra_clk_32k, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { .input = &tegra_pll_e, .value = 4}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_cclk_g[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_clk_32k, .value = 2}, + { .input = &tegra_pll_m, .value = 3}, + { .input = &tegra_pll_p, .value = 4}, + { .input = &tegra_pll_p_out4, .value = 5}, + { .input = &tegra_pll_p_out3, .value = 6}, + { .input = &tegra_pll_x, .value = 8}, + { 0, 0}, +}; + +static struct clk tegra_clk_cclk_g = { + .name = "cclk_g", + .flags = DIV_U71 | DIV_U71_INT, + .inputs = mux_cclk_g, + .reg = 0x368, + .ops = &tegra30_super_ops, + .max_rate = 1700000000, +}; + +static struct clk tegra30_clk_twd = { + .parent = &tegra_clk_cclk_g, + .name = "twd", + .ops = &tegra30_twd_ops, + .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ + .mul = 1, + .div = 2, +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra30_periph_clk_ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ + _flags, _ops) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = _ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_clk_shared_bus_ops, \ + .parent = _parent, \ + .u.shared_bus_user = { \ + .client_id = _id, \ + .client_div = _div, \ + .mode = _mode, \ + }, \ + } +struct clk tegra_list_clks[] = { + PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), + PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), + PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), + PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), + PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), + PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), + PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), + PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ + PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ + PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), + PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), + PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), + PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), + PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), + PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), + PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), + PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), + PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), + PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), + PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), + PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), + PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ + PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), + + PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), + PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), + PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + } + +/* Some clocks may be used by different drivers depending on the board + * configuration. List those here to register them twice in the clock lookup + * table under two names. + */ +struct clk_duplicate tegra_clk_duplicates[] = { + CLK_DUPLICATE("uarta", "serial8250.0", NULL), + CLK_DUPLICATE("uartb", "serial8250.1", NULL), + CLK_DUPLICATE("uartc", "serial8250.2", NULL), + CLK_DUPLICATE("uartd", "serial8250.3", NULL), + CLK_DUPLICATE("uarte", "serial8250.4", NULL), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("dsib", "tegradc.0", "dsib"), + CLK_DUPLICATE("dsia", "tegradc.1", "dsia"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("bsev", "tegra-avp", "bsev"), + CLK_DUPLICATE("bsev", "nvavp", "bsev"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("bsea", "tegra-aes", "bsea"), + CLK_DUPLICATE("bsea", "nvavp", "bsea"), + CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL), + CLK_DUPLICATE("cml0", "tegra_pcie", "cml"), + CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"), + CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL), + CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL), + CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL), + CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL), + CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL), + CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL), + CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL), + CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL), + CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL), + CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL), + CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL), + CLK_DUPLICATE("twd", "smp_twd", NULL), + CLK_DUPLICATE("vcp", "nvavp", "vcp"), + CLK_DUPLICATE("i2s0", NULL, "i2s0"), + CLK_DUPLICATE("i2s1", NULL, "i2s1"), + CLK_DUPLICATE("i2s2", NULL, "i2s2"), + CLK_DUPLICATE("i2s3", NULL, "i2s3"), + CLK_DUPLICATE("i2s4", NULL, "i2s4"), + CLK_DUPLICATE("dam0", NULL, "dam0"), + CLK_DUPLICATE("dam1", NULL, "dam1"), + CLK_DUPLICATE("dam2", NULL, "dam2"), + CLK_DUPLICATE("spdif_in", NULL, "spdif_in"), +}; + +struct clk *tegra_ptr_clks[] = { + &tegra_clk_32k, + &tegra_clk_m, + &tegra_clk_m_div2, + &tegra_clk_m_div4, + &tegra_pll_ref, + &tegra_pll_m, + &tegra_pll_m_out1, + &tegra_pll_c, + &tegra_pll_c_out1, + &tegra_pll_p, + &tegra_pll_p_out1, + &tegra_pll_p_out2, + &tegra_pll_p_out3, + &tegra_pll_p_out4, + &tegra_pll_a, + &tegra_pll_a_out0, + &tegra_pll_d, + &tegra_pll_d_out0, + &tegra_pll_d2, + &tegra_pll_d2_out0, + &tegra_pll_u, + &tegra_pll_x, + &tegra_pll_x_out0, + &tegra_pll_e, + &tegra_clk_cclk_g, + &tegra_cml0_clk, + &tegra_cml1_clk, + &tegra_pciex_clk, + &tegra_clk_sclk, + &tegra_clk_blink, + &tegra30_clk_twd, +}; + + +static void tegra30_init_one_clock(struct clk *c) +{ + clk_init(c); + INIT_LIST_HEAD(&c->shared_bus_list); + if (!c->lookup.dev_id && !c->lookup.con_id) + c->lookup.con_id = c->name; + c->lookup.clk = c; + clkdev_add(&c->lookup); +} + +void __init tegra30_init_clocks(void) +{ + int i; + struct clk *c; + + for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) + tegra30_init_one_clock(tegra_ptr_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) + tegra30_init_one_clock(&tegra_list_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { + c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); + if (!c) { + pr_err("%s: Unknown duplicate clock %s\n", __func__, + tegra_clk_duplicates[i].name); + continue; + } + + tegra_clk_duplicates[i].lookup.clk = c; + clkdev_add(&tegra_clk_duplicates[i].lookup); + } + + for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) + tegra30_init_one_clock(&tegra_sync_source_list[i]); + for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) + tegra30_init_one_clock(&tegra_clk_audio_list[i]); + for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) + tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); + + init_clk_out_mux(); + for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) + tegra30_init_one_clock(&tegra_clk_out_list[i]); + +} -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 1/6] ARM: tegra30: Separate out clk ops and clk data @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad Move clock initialization data to separate file. This is required for migrating to generic clock framework if static initialization is used. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/tegra30_clocks.c | 1159 +---------------------------- arch/arm/mach-tegra/tegra30_clocks.h | 43 ++ arch/arm/mach-tegra/tegra30_clocks_data.c | 1148 ++++++++++++++++++++++++++++ 4 files changed, 1214 insertions(+), 1137 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra30_clocks.h create mode 100644 arch/arm/mach-tegra/tegra30_clocks_data.c diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 508d816..f17528a 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -14,6 +14,7 @@ obj-$(CONFIG_CPU_IDLE) += sleep.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o +obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks_data.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o obj-$(CONFIG_SMP) += reset.o obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c index 2ba948e..645ef69 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.c +++ b/arch/arm/mach-tegra/tegra30_clocks.c @@ -1,7 +1,7 @@ /* * arch/arm/mach-tegra/tegra30_clocks.c * - * Copyright (c) 2010-2011 NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -533,13 +533,13 @@ static void tegra30_clk_m_disable(struct clk *c) WARN(1, "Attempting to disable main SoC clock\n"); } -static struct clk_ops tegra_clk_m_ops = { +struct clk_ops tegra30_clk_m_ops = { .init = tegra30_clk_m_init, .enable = tegra30_clk_m_enable, .disable = tegra30_clk_m_disable, }; -static struct clk_ops tegra_clk_m_div_ops = { +struct clk_ops tegra_clk_m_div_ops = { .enable = tegra30_clk_m_enable, }; @@ -567,7 +567,7 @@ static void tegra30_pll_ref_init(struct clk *c) c->state = ON; } -static struct clk_ops tegra_pll_ref_ops = { +struct clk_ops tegra_pll_ref_ops = { .init = tegra30_pll_ref_init, .enable = tegra30_clk_m_enable, .disable = tegra30_clk_m_disable, @@ -707,7 +707,7 @@ static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) return clk_set_rate(c->parent, rate); } -static struct clk_ops tegra_super_ops = { +struct clk_ops tegra30_super_ops = { .init = tegra30_super_clk_init, .enable = tegra30_super_clk_enable, .disable = tegra30_super_clk_disable, @@ -722,7 +722,7 @@ static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra30_twd_ops = { +struct clk_ops tegra30_twd_ops = { .set_rate = tegra30_twd_clk_set_rate, }; @@ -801,7 +801,7 @@ static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_blink_clk_ops = { +struct clk_ops tegra30_blink_clk_ops = { .init = &tegra30_blink_clk_init, .enable = &tegra30_blink_clk_enable, .disable = &tegra30_blink_clk_disable, @@ -829,7 +829,6 @@ static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg, return 0; } - static void tegra30_utmi_param_configure(struct clk *c) { u32 reg; @@ -1100,7 +1099,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_pll_ops = { +struct clk_ops tegra30_pll_ops = { .init = tegra30_pll_clk_init, .enable = tegra30_pll_clk_enable, .disable = tegra30_pll_clk_disable, @@ -1141,7 +1140,7 @@ tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return 0; } -static struct clk_ops tegra_plld_ops = { +struct clk_ops tegra_plld_ops = { .init = tegra30_pll_clk_init, .enable = tegra30_pll_clk_enable, .disable = tegra30_pll_clk_disable, @@ -1258,7 +1257,7 @@ static int tegra30_plle_clk_enable(struct clk *c) return tegra30_plle_configure(c, !c->set); } -static struct clk_ops tegra_plle_ops = { +struct clk_ops tegra30_plle_ops = { .init = tegra30_plle_clk_init, .enable = tegra30_plle_clk_enable, .disable = tegra30_plle_clk_disable, @@ -1386,7 +1385,7 @@ static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_div_ops = { +struct clk_ops tegra30_pll_div_ops = { .init = tegra30_pll_div_clk_init, .enable = tegra30_pll_div_clk_enable, .disable = tegra30_pll_div_clk_disable, @@ -1634,7 +1633,7 @@ static long tegra30_periph_clk_round_rate(struct clk *c, return -EINVAL; } -static struct clk_ops tegra_periph_clk_ops = { +struct clk_ops tegra30_periph_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1644,7 +1643,6 @@ static struct clk_ops tegra_periph_clk_ops = { .reset = &tegra30_periph_clk_reset, }; - /* Periph extended clock configuration ops */ static int tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) @@ -1660,7 +1658,7 @@ tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_vi_clk_ops = { +struct clk_ops tegra_vi_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1686,7 +1684,7 @@ tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_nand_clk_ops = { +struct clk_ops tegra_nand_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1697,7 +1695,6 @@ static struct clk_ops tegra_nand_clk_ops = { .reset = &tegra30_periph_clk_reset, }; - static int tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) { @@ -1713,7 +1710,7 @@ tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -static struct clk_ops tegra_dtv_clk_ops = { +struct clk_ops tegra_dtv_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1753,7 +1750,7 @@ static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_dsib_clk_ops = { +struct clk_ops tegra_dsib_clk_ops = { .init = &tegra30_periph_clk_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1764,7 +1761,7 @@ static struct clk_ops tegra_dsib_clk_ops = { }; /* pciex clock support only reset function */ -static struct clk_ops tegra_pciex_clk_ops = { +struct clk_ops tegra_pciex_clk_ops = { .reset = tegra30_periph_clk_reset, }; @@ -1851,14 +1848,13 @@ static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_clk_out_ops = { +struct clk_ops tegra_clk_out_ops = { .init = &tegra30_clk_out_init, .enable = &tegra30_clk_out_enable, .disable = &tegra30_clk_out_disable, .set_parent = &tegra30_clk_out_set_parent, }; - /* Clock doubler ops */ static void tegra30_clk_double_init(struct clk *c) { @@ -1890,7 +1886,7 @@ static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_clk_double_ops = { +struct clk_ops tegra30_clk_double_ops = { .init = &tegra30_clk_double_init, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, @@ -1904,7 +1900,7 @@ static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_sync_source_ops = { +struct clk_ops tegra_sync_source_ops = { .set_rate = &tegra30_sync_source_set_rate, }; @@ -1961,7 +1957,7 @@ static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_audio_sync_clk_ops = { +struct clk_ops tegra30_audio_sync_clk_ops = { .init = tegra30_audio_sync_clk_init, .enable = tegra30_audio_sync_clk_enable, .disable = tegra30_audio_sync_clk_disable, @@ -1990,1119 +1986,8 @@ static void tegra30_cml_clk_disable(struct clk *c) clk_writel(val, c->reg); } -static struct clk_ops tegra_cml_clk_ops = { +struct clk_ops tegra_cml_clk_ops = { .init = &tegra30_cml_clk_init, .enable = &tegra30_cml_clk_enable, .disable = &tegra30_cml_clk_disable, }; - -/* Clock definitions */ -static struct clk tegra_clk_32k = { - .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, -}; - -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 48000000, -}; - -static struct clk tegra_clk_m_div2 = { - .name = "clk_m_div2", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 2, - .state = ON, - .max_rate = 24000000, -}; - -static struct clk tegra_clk_m_div4 = { - .name = "clk_m_div4", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 4, - .state = ON, - .max_rate = 12000000, -}; - -static struct clk tegra_pll_ref = { - .name = "pll_ref", - .flags = ENABLE_ON_INIT, - .ops = &tegra_pll_ref_ops, - .parent = &tegra_clk_m, - .max_rate = 26000000, -}; - -static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { - { 12000000, 1040000000, 520, 6, 1, 8}, - { 13000000, 1040000000, 480, 6, 1, 8}, - { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ - { 19200000, 1040000000, 325, 6, 1, 6}, - { 26000000, 1040000000, 520, 13, 1, 8}, - - { 12000000, 832000000, 416, 6, 1, 8}, - { 13000000, 832000000, 832, 13, 1, 8}, - { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ - { 19200000, 832000000, 260, 6, 1, 8}, - { 26000000, 832000000, 416, 13, 1, 8}, - - { 12000000, 624000000, 624, 12, 1, 8}, - { 13000000, 624000000, 624, 13, 1, 8}, - { 16800000, 600000000, 520, 14, 1, 8}, - { 19200000, 624000000, 520, 16, 1, 8}, - { 26000000, 624000000, 624, 26, 1, 8}, - - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 16800000, 600000000, 500, 14, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - - { 12000000, 520000000, 520, 12, 1, 8}, - { 13000000, 520000000, 520, 13, 1, 8}, - { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ - { 19200000, 520000000, 325, 12, 1, 6}, - { 26000000, 520000000, 520, 26, 1, 8}, - - { 12000000, 416000000, 416, 12, 1, 8}, - { 13000000, 416000000, 416, 13, 1, 8}, - { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ - { 19200000, 416000000, 260, 12, 1, 6}, - { 26000000, 416000000, 416, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_pll_ref, - .max_rate = 1400000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 700000000, -}; - -static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { - { 12000000, 666000000, 666, 12, 1, 8}, - { 13000000, 666000000, 666, 13, 1, 8}, - { 16800000, 666000000, 555, 14, 1, 8}, - { 19200000, 666000000, 555, 16, 1, 8}, - { 26000000, 666000000, 666, 26, 1, 8}, - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 16800000, 600000000, 500, 14, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON | PLLM, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_pll_ref, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { - { 12000000, 216000000, 432, 12, 2, 8}, - { 13000000, 216000000, 432, 13, 2, 8}, - { 16800000, 216000000, 360, 14, 2, 8}, - { 19200000, 216000000, 360, 16, 2, 8}, - { 26000000, 216000000, 432, 26, 2, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_pll_ref, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - .fixed_rate = 408000000, - }, -}; - -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { - { 9600000, 564480000, 294, 5, 1, 4}, - { 9600000, 552960000, 288, 5, 1, 4}, - { 9600000, 24000000, 5, 2, 1, 1}, - - { 28800000, 56448000, 49, 25, 1, 1}, - { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 24000000, 5, 6, 1, 1}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 100000000, -}; - -static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { - { 12000000, 216000000, 216, 12, 1, 4}, - { 13000000, 216000000, 216, 13, 1, 4}, - { 16800000, 216000000, 180, 14, 1, 4}, - { 19200000, 216000000, 180, 16, 1, 4}, - { 26000000, 216000000, 216, 26, 1, 4}, - - { 12000000, 594000000, 594, 12, 1, 8}, - { 13000000, 594000000, 594, 13, 1, 8}, - { 16800000, 594000000, 495, 14, 1, 8}, - { 19200000, 594000000, 495, 16, 1, 8}, - { 26000000, 594000000, 594, 26, 1, 8}, - - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_plld_ops, - .reg = 0xd0, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk tegra_pll_d2 = { - .name = "pll_d2", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, - .ops = &tegra_plld_ops, - .reg = 0x4b8, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d2_out0 = { - .name = "pll_d2_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d2, - .max_rate = 500000000, -}; - -static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 2, 12}, - { 13000000, 480000000, 960, 13, 2, 12}, - { 16800000, 480000000, 400, 7, 2, 5}, - { 19200000, 480000000, 200, 4, 2, 3}, - { 26000000, 480000000, 960, 26, 2, 12}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLL_HAS_CPCON | PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_pll_ref, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { - /* 1.7 GHz */ - { 12000000, 1700000000, 850, 6, 1, 8}, - { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */ - { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */ - { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */ - { 26000000, 1700000000, 850, 13, 1, 8}, - - /* 1.6 GHz */ - { 12000000, 1600000000, 800, 6, 1, 8}, - { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */ - { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */ - { 19200000, 1600000000, 500, 6, 1, 8}, - { 26000000, 1600000000, 800, 13, 1, 8}, - - /* 1.5 GHz */ - { 12000000, 1500000000, 750, 6, 1, 8}, - { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */ - { 16800000, 1500000000, 625, 7, 1, 8}, - { 19200000, 1500000000, 625, 8, 1, 8}, - { 26000000, 1500000000, 750, 13, 1, 8}, - - /* 1.4 GHz */ - { 12000000, 1400000000, 700, 6, 1, 8}, - { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */ - { 16800000, 1400000000, 1000, 12, 1, 8}, - { 19200000, 1400000000, 875, 12, 1, 8}, - { 26000000, 1400000000, 700, 13, 1, 8}, - - /* 1.3 GHz */ - { 12000000, 1300000000, 975, 9, 1, 8}, - { 13000000, 1300000000, 1000, 10, 1, 8}, - { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */ - { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */ - { 26000000, 1300000000, 650, 13, 1, 8}, - - /* 1.2 GHz */ - { 12000000, 1200000000, 1000, 10, 1, 8}, - { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */ - { 16800000, 1200000000, 1000, 14, 1, 8}, - { 19200000, 1200000000, 1000, 16, 1, 8}, - { 26000000, 1200000000, 600, 13, 1, 8}, - - /* 1.1 GHz */ - { 12000000, 1100000000, 825, 9, 1, 8}, - { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */ - { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */ - { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */ - { 26000000, 1100000000, 550, 13, 1, 8}, - - /* 1 GHz */ - { 12000000, 1000000000, 1000, 12, 1, 8}, - { 13000000, 1000000000, 1000, 13, 1, 8}, - { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */ - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 8}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, - .ops = &tegra_pll_ops, - .reg = 0xe0, - .parent = &tegra_pll_ref, - .max_rate = 1700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1700000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_x_out0 = { - .name = "pll_x_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLX, - .parent = &tegra_pll_x, - .max_rate = 850000000, -}; - - -static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { - /* PLLE special case: use cpcon field to store cml divider value */ - { 12000000, 100000000, 150, 1, 18, 11}, - { 216000000, 100000000, 200, 18, 24, 13}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 216000000, - .cf_min = 12000000, - .cf_max = 12000000, - .vco_min = 1200000000, - .vco_max = 2400000000U, - .freq_table = tegra_pll_e_freq_table, - .lock_delay = 300, - .fixed_rate = 100000000, - }, -}; - -static struct clk tegra_cml0_clk = { - .name = "cml0", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = PLLE_AUX, - .max_rate = 100000000, - .u.periph = { - .clk_num = 0, - }, -}; - -static struct clk tegra_cml1_clk = { - .name = "cml1", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = PLLE_AUX, - .max_rate = 100000000, - .u.periph = { - .clk_num = 1, - }, -}; - -static struct clk tegra_pciex_clk = { - .name = "pciex", - .parent = &tegra_pll_e, - .ops = &tegra_pciex_clk_ops, - .max_rate = 100000000, - .u.periph = { - .clk_num = 74, - }, -}; - -/* Audio sync clocks */ -#define SYNC_SOURCE(_id) \ - { \ - .name = #_id "_sync", \ - .rate = 24000000, \ - .max_rate = 24000000, \ - .ops = &tegra_sync_source_ops \ - } -static struct clk tegra_sync_source_list[] = { - SYNC_SOURCE(spdif_in), - SYNC_SOURCE(i2s0), - SYNC_SOURCE(i2s1), - SYNC_SOURCE(i2s2), - SYNC_SOURCE(i2s3), - SYNC_SOURCE(i2s4), - SYNC_SOURCE(vimclk), -}; - -static struct clk_mux_sel mux_audio_sync_clk[] = { - { .input = &tegra_sync_source_list[0], .value = 0}, - { .input = &tegra_sync_source_list[1], .value = 1}, - { .input = &tegra_sync_source_list[2], .value = 2}, - { .input = &tegra_sync_source_list[3], .value = 3}, - { .input = &tegra_sync_source_list[4], .value = 4}, - { .input = &tegra_sync_source_list[5], .value = 5}, - { .input = &tegra_pll_a_out0, .value = 6}, - { .input = &tegra_sync_source_list[6], .value = 7}, - { 0, 0 } -}; - -#define AUDIO_SYNC_CLK(_id, _index) \ - { \ - .name = #_id, \ - .inputs = mux_audio_sync_clk, \ - .reg = 0x4A0 + (_index) * 4, \ - .max_rate = 24000000, \ - .ops = &tegra_audio_sync_clk_ops \ - } -static struct clk tegra_clk_audio_list[] = { - AUDIO_SYNC_CLK(audio0, 0), - AUDIO_SYNC_CLK(audio1, 1), - AUDIO_SYNC_CLK(audio2, 2), - AUDIO_SYNC_CLK(audio3, 3), - AUDIO_SYNC_CLK(audio4, 4), - AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ -}; - -#define AUDIO_SYNC_2X_CLK(_id, _index) \ - { \ - .name = #_id "_2x", \ - .flags = PERIPH_NO_RESET, \ - .max_rate = 48000000, \ - .ops = &tegra_clk_double_ops, \ - .reg = 0x49C, \ - .reg_shift = 24 + (_index), \ - .parent = &tegra_clk_audio_list[(_index)], \ - .u.periph = { \ - .clk_num = 113 + (_index), \ - }, \ - } -static struct clk tegra_clk_audio_2x_list[] = { - AUDIO_SYNC_2X_CLK(audio0, 0), - AUDIO_SYNC_2X_CLK(audio1, 1), - AUDIO_SYNC_2X_CLK(audio2, 2), - AUDIO_SYNC_2X_CLK(audio3, 3), - AUDIO_SYNC_2X_CLK(audio4, 4), - AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ -}; - -#define MUX_I2S_SPDIF(_id, _index) \ -static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ - {.input = &tegra_pll_a_out0, .value = 0}, \ - {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ - {.input = &tegra_pll_p, .value = 2}, \ - {.input = &tegra_clk_m, .value = 3}, \ - { 0, 0}, \ -} -MUX_I2S_SPDIF(audio0, 0); -MUX_I2S_SPDIF(audio1, 1); -MUX_I2S_SPDIF(audio2, 2); -MUX_I2S_SPDIF(audio3, 3); -MUX_I2S_SPDIF(audio4, 4); -MUX_I2S_SPDIF(audio, 5); /* SPDIF */ - -/* External clock outputs (through PMC) */ -#define MUX_EXTERN_OUT(_id) \ -static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ - {.input = &tegra_clk_m, .value = 0}, \ - {.input = &tegra_clk_m_div2, .value = 1}, \ - {.input = &tegra_clk_m_div4, .value = 2}, \ - {.input = NULL, .value = 3}, /* placeholder */ \ - { 0, 0}, \ -} -MUX_EXTERN_OUT(1); -MUX_EXTERN_OUT(2); -MUX_EXTERN_OUT(3); - -static struct clk_mux_sel *mux_extern_out_list[] = { - mux_clkm_clkm2_clkm4_extern1, - mux_clkm_clkm2_clkm4_extern2, - mux_clkm_clkm2_clkm4_extern3, -}; - -#define CLK_OUT_CLK(_id) \ - { \ - .name = "clk_out_" #_id, \ - .lookup = { \ - .dev_id = "clk_out_" #_id, \ - .con_id = "extern" #_id, \ - }, \ - .ops = &tegra_clk_out_ops, \ - .reg = 0x1a8, \ - .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ - .flags = MUX_CLK_OUT, \ - .max_rate = 216000000, \ - .u.periph = { \ - .clk_num = (_id - 1) * 8 + 2, \ - }, \ - } -static struct clk tegra_clk_out_list[] = { - CLK_OUT_CLK(1), - CLK_OUT_CLK(2), - CLK_OUT_CLK(3), -}; - -/* called after peripheral external clocks are initialized */ -static void init_clk_out_mux(void) -{ - int i; - struct clk *c; - - /* output clock con_id is the name of peripheral - external clock connected to input 3 of the output mux */ - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { - c = tegra_get_clock_by_name( - tegra_clk_out_list[i].lookup.con_id); - if (!c) - pr_err("%s: could not find clk %s\n", __func__, - tegra_clk_out_list[i].lookup.con_id); - mux_extern_out_list[i][3].input = c; - } -} - -/* Peripheral muxes */ -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { 0, 0}, -}; - -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, - .max_rate = 334000000, - .min_rate = 40000000, -}; - -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_m, .value = 1}, - {.input = &tegra_pll_d_out0, .value = 2}, - {.input = &tegra_pll_a_out0, .value = 3}, - {.input = &tegra_pll_c, .value = 4}, - {.input = &tegra_pll_d2_out0, .value = 5}, - {.input = &tegra_clk_m, .value = 6}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_32k, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_m, .value = 2}, - {.input = &tegra_clk_32k, .value = 3}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plld_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { .input = &tegra_pll_d2_out0, .value = 1}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - { .input = &tegra_clk_32k, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { .input = &tegra_pll_e, .value = 4}, - { 0, 0}, -}; - -static struct clk_mux_sel mux_cclk_g[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_pll_x, .value = 8}, - { 0, 0}, -}; - -static struct clk tegra_clk_cclk_g = { - .name = "cclk_g", - .flags = DIV_U71 | DIV_U71_INT, - .inputs = mux_cclk_g, - .reg = 0x368, - .ops = &tegra_super_ops, - .max_rate = 1700000000, -}; - -static struct clk tegra30_clk_twd = { - .parent = &tegra_clk_cclk_g, - .name = "twd", - .ops = &tegra30_twd_ops, - .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ - .mul = 1, - .div = 2, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ - _flags, _ops) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = _ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - .u.shared_bus_user = { \ - .client_id = _id, \ - .client_div = _div, \ - .mode = _mode, \ - }, \ - } -struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), - PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), - PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - - PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), - PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - } - -/* Some clocks may be used by different drivers depending on the board - * configuration. List those here to register them twice in the clock lookup - * table under two names. - */ -struct clk_duplicate tegra_clk_duplicates[] = { - CLK_DUPLICATE("uarta", "serial8250.0", NULL), - CLK_DUPLICATE("uartb", "serial8250.1", NULL), - CLK_DUPLICATE("uartc", "serial8250.2", NULL), - CLK_DUPLICATE("uartd", "serial8250.3", NULL), - CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("dsib", "tegradc.0", "dsib"), - CLK_DUPLICATE("dsia", "tegradc.1", "dsia"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("bsev", "tegra-avp", "bsev"), - CLK_DUPLICATE("bsev", "nvavp", "bsev"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), - CLK_DUPLICATE("bsea", "tegra-aes", "bsea"), - CLK_DUPLICATE("bsea", "nvavp", "bsea"), - CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL), - CLK_DUPLICATE("cml0", "tegra_pcie", "cml"), - CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"), - CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL), - CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL), - CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL), - CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL), - CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL), - CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL), - CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL), - CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL), - CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL), - CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL), - CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL), - CLK_DUPLICATE("twd", "smp_twd", NULL), - CLK_DUPLICATE("vcp", "nvavp", "vcp"), - CLK_DUPLICATE("i2s0", NULL, "i2s0"), - CLK_DUPLICATE("i2s1", NULL, "i2s1"), - CLK_DUPLICATE("i2s2", NULL, "i2s2"), - CLK_DUPLICATE("i2s3", NULL, "i2s3"), - CLK_DUPLICATE("i2s4", NULL, "i2s4"), - CLK_DUPLICATE("dam0", NULL, "dam0"), - CLK_DUPLICATE("dam1", NULL, "dam1"), - CLK_DUPLICATE("dam2", NULL, "dam2"), - CLK_DUPLICATE("spdif_in", NULL, "spdif_in"), -}; - -struct clk *tegra_ptr_clks[] = { - &tegra_clk_32k, - &tegra_clk_m, - &tegra_clk_m_div2, - &tegra_clk_m_div4, - &tegra_pll_ref, - &tegra_pll_m, - &tegra_pll_m_out1, - &tegra_pll_c, - &tegra_pll_c_out1, - &tegra_pll_p, - &tegra_pll_p_out1, - &tegra_pll_p_out2, - &tegra_pll_p_out3, - &tegra_pll_p_out4, - &tegra_pll_a, - &tegra_pll_a_out0, - &tegra_pll_d, - &tegra_pll_d_out0, - &tegra_pll_d2, - &tegra_pll_d2_out0, - &tegra_pll_u, - &tegra_pll_x, - &tegra_pll_x_out0, - &tegra_pll_e, - &tegra_clk_cclk_g, - &tegra_cml0_clk, - &tegra_cml1_clk, - &tegra_pciex_clk, - &tegra_clk_sclk, - &tegra_clk_blink, - &tegra30_clk_twd, -}; - - -static void tegra30_init_one_clock(struct clk *c) -{ - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); -} - -void __init tegra30_init_clocks(void) -{ - int i; - struct clk *c; - - for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) - tegra30_init_one_clock(tegra_ptr_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra30_init_one_clock(&tegra_list_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); - if (!c) { - pr_err("%s: Unknown duplicate clock %s\n", __func__, - tegra_clk_duplicates[i].name); - continue; - } - - tegra_clk_duplicates[i].lookup.clk = c; - clkdev_add(&tegra_clk_duplicates[i].lookup); - } - - for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) - tegra30_init_one_clock(&tegra_sync_source_list[i]); - for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_list[i]); - for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); - - init_clk_out_mux(); - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) - tegra30_init_one_clock(&tegra_clk_out_list[i]); - -} diff --git a/arch/arm/mach-tegra/tegra30_clocks.h b/arch/arm/mach-tegra/tegra30_clocks.h new file mode 100644 index 0000000..f8c4df5 --- /dev/null +++ b/arch/arm/mach-tegra/tegra30_clocks.h @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA30_CLOCK_H +#define __MACH_TEGRA30_CLOCK_H + +extern struct clk_ops tegra30_clk_m_ops; +extern struct clk_ops tegra_clk_m_div_ops; +extern struct clk_ops tegra_pll_ref_ops; +extern struct clk_ops tegra30_pll_ops; +extern struct clk_ops tegra30_pll_div_ops; +extern struct clk_ops tegra_plld_ops; +extern struct clk_ops tegra30_plle_ops; +extern struct clk_ops tegra_cml_clk_ops; +extern struct clk_ops tegra_pciex_clk_ops; +extern struct clk_ops tegra_sync_source_ops; +extern struct clk_ops tegra30_audio_sync_clk_ops; +extern struct clk_ops tegra30_clk_double_ops; +extern struct clk_ops tegra_clk_out_ops; +extern struct clk_ops tegra30_super_ops; +extern struct clk_ops tegra30_blink_clk_ops; +extern struct clk_ops tegra30_twd_ops; +extern struct clk_ops tegra30_periph_clk_ops; +extern struct clk_ops tegra_dsib_clk_ops; +extern struct clk_ops tegra_nand_clk_ops; +extern struct clk_ops tegra_vi_clk_ops; +extern struct clk_ops tegra_dtv_clk_ops; +extern struct clk_ops tegra_clk_shared_bus_ops; + +#endif diff --git a/arch/arm/mach-tegra/tegra30_clocks_data.c b/arch/arm/mach-tegra/tegra30_clocks_data.c new file mode 100644 index 0000000..bf25a38 --- /dev/null +++ b/arch/arm/mach-tegra/tegra30_clocks_data.c @@ -0,0 +1,1148 @@ +/* + * arch/arm/mach-tegra/tegra30_clocks_data.c + * + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/clk.h> +#include <linux/cpufreq.h> + +#include <asm/clkdev.h> + +#include <mach/iomap.h> + +#include "clock.h" +#include "fuse.h" +#include "tegra30_clocks.h" + +/* Clock definitions */ +static struct clk tegra_clk_32k = { + .name = "clk_32k", + .rate = 32768, + .ops = NULL, + .max_rate = 32768, +}; + +static struct clk tegra_clk_m = { + .name = "clk_m", + .flags = ENABLE_ON_INIT, + .ops = &tegra30_clk_m_ops, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 48000000, +}; + +static struct clk tegra_clk_m_div2 = { + .name = "clk_m_div2", + .ops = &tegra_clk_m_div_ops, + .parent = &tegra_clk_m, + .mul = 1, + .div = 2, + .state = ON, + .max_rate = 24000000, +}; + +static struct clk tegra_clk_m_div4 = { + .name = "clk_m_div4", + .ops = &tegra_clk_m_div_ops, + .parent = &tegra_clk_m, + .mul = 1, + .div = 4, + .state = ON, + .max_rate = 12000000, +}; + +static struct clk tegra_pll_ref = { + .name = "pll_ref", + .flags = ENABLE_ON_INIT, + .ops = &tegra_pll_ref_ops, + .parent = &tegra_clk_m, + .max_rate = 26000000, +}; + +static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { + { 12000000, 1040000000, 520, 6, 1, 8}, + { 13000000, 1040000000, 480, 6, 1, 8}, + { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ + { 19200000, 1040000000, 325, 6, 1, 6}, + { 26000000, 1040000000, 520, 13, 1, 8}, + + { 12000000, 832000000, 416, 6, 1, 8}, + { 13000000, 832000000, 832, 13, 1, 8}, + { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ + { 19200000, 832000000, 260, 6, 1, 8}, + { 26000000, 832000000, 416, 13, 1, 8}, + + { 12000000, 624000000, 624, 12, 1, 8}, + { 13000000, 624000000, 624, 13, 1, 8}, + { 16800000, 600000000, 520, 14, 1, 8}, + { 19200000, 624000000, 520, 16, 1, 8}, + { 26000000, 624000000, 624, 26, 1, 8}, + + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 16800000, 600000000, 500, 14, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + + { 12000000, 520000000, 520, 12, 1, 8}, + { 13000000, 520000000, 520, 13, 1, 8}, + { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ + { 19200000, 520000000, 325, 12, 1, 6}, + { 26000000, 520000000, 520, 26, 1, 8}, + + { 12000000, 416000000, 416, 12, 1, 8}, + { 13000000, 416000000, 416, 13, 1, 8}, + { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ + { 19200000, 416000000, 260, 12, 1, 6}, + { 26000000, 416000000, 416, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_c = { + .name = "pll_c", + .flags = PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0x80, + .parent = &tegra_pll_ref, + .max_rate = 1400000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_c_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_c_out1 = { + .name = "pll_c_out1", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_c, + .reg = 0x84, + .reg_shift = 0, + .max_rate = 700000000, +}; + +static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { + { 12000000, 666000000, 666, 12, 1, 8}, + { 13000000, 666000000, 666, 13, 1, 8}, + { 16800000, 666000000, 555, 14, 1, 8}, + { 19200000, 666000000, 555, 16, 1, 8}, + { 26000000, 666000000, 666, 26, 1, 8}, + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 16800000, 600000000, 500, 14, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_m = { + .name = "pll_m", + .flags = PLL_HAS_CPCON | PLLM, + .ops = &tegra30_pll_ops, + .reg = 0x90, + .parent = &tegra_pll_ref, + .max_rate = 800000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_m_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_m_out1 = { + .name = "pll_m_out1", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_m, + .reg = 0x94, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { + { 12000000, 216000000, 432, 12, 2, 8}, + { 13000000, 216000000, 432, 13, 2, 8}, + { 16800000, 216000000, 360, 14, 2, 8}, + { 19200000, 216000000, 360, 16, 2, 8}, + { 26000000, 216000000, 432, 26, 2, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_p = { + .name = "pll_p", + .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0xa0, + .parent = &tegra_pll_ref, + .max_rate = 432000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_p_freq_table, + .lock_delay = 300, + .fixed_rate = 408000000, + }, +}; + +static struct clk tegra_pll_p_out1 = { + .name = "pll_p_out1", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out2 = { + .name = "pll_p_out2", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out3 = { + .name = "pll_p_out3", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out4 = { + .name = "pll_p_out4", + .ops = &tegra30_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { + { 9600000, 564480000, 294, 5, 1, 4}, + { 9600000, 552960000, 288, 5, 1, 4}, + { 9600000, 24000000, 5, 2, 1, 1}, + + { 28800000, 56448000, 49, 25, 1, 1}, + { 28800000, 73728000, 64, 25, 1, 1}, + { 28800000, 24000000, 5, 6, 1, 1}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_a = { + .name = "pll_a", + .flags = PLL_HAS_CPCON, + .ops = &tegra30_pll_ops, + .reg = 0xb0, + .parent = &tegra_pll_p_out1, + .max_rate = 700000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_a_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_a_out0 = { + .name = "pll_a_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_a, + .reg = 0xb4, + .reg_shift = 0, + .max_rate = 100000000, +}; + +static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { + { 12000000, 216000000, 216, 12, 1, 4}, + { 13000000, 216000000, 216, 13, 1, 4}, + { 16800000, 216000000, 180, 14, 1, 4}, + { 19200000, 216000000, 180, 16, 1, 4}, + { 26000000, 216000000, 216, 26, 1, 4}, + + { 12000000, 594000000, 594, 12, 1, 8}, + { 13000000, 594000000, 594, 13, 1, 8}, + { 16800000, 594000000, 495, 14, 1, 8}, + { 19200000, 594000000, 495, 16, 1, 8}, + { 26000000, 594000000, 594, 26, 1, 8}, + + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_d = { + .name = "pll_d", + .flags = PLL_HAS_CPCON | PLLD, + .ops = &tegra_plld_ops, + .reg = 0xd0, + .parent = &tegra_pll_ref, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d_out0 = { + .name = "pll_d_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d, + .max_rate = 500000000, +}; + +static struct clk tegra_pll_d2 = { + .name = "pll_d2", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, + .ops = &tegra_plld_ops, + .reg = 0x4b8, + .parent = &tegra_pll_ref, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d2_out0 = { + .name = "pll_d2_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d2, + .max_rate = 500000000, +}; + +static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { + { 12000000, 480000000, 960, 12, 2, 12}, + { 13000000, 480000000, 960, 13, 2, 12}, + { 16800000, 480000000, 400, 7, 2, 5}, + { 19200000, 480000000, 200, 4, 2, 3}, + { 26000000, 480000000, 960, 26, 2, 12}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_u = { + .name = "pll_u", + .flags = PLL_HAS_CPCON | PLLU, + .ops = &tegra30_pll_ops, + .reg = 0xc0, + .parent = &tegra_pll_ref, + .max_rate = 480000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .freq_table = tegra_pll_u_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { + /* 1.7 GHz */ + { 12000000, 1700000000, 850, 6, 1, 8}, + { 13000000, 1700000000, 915, 7, 1, 8}, /* actual: 1699.2 MHz */ + { 16800000, 1700000000, 708, 7, 1, 8}, /* actual: 1699.2 MHz */ + { 19200000, 1700000000, 885, 10, 1, 8}, /* actual: 1699.2 MHz */ + { 26000000, 1700000000, 850, 13, 1, 8}, + + /* 1.6 GHz */ + { 12000000, 1600000000, 800, 6, 1, 8}, + { 13000000, 1600000000, 738, 6, 1, 8}, /* actual: 1599.0 MHz */ + { 16800000, 1600000000, 857, 9, 1, 8}, /* actual: 1599.7 MHz */ + { 19200000, 1600000000, 500, 6, 1, 8}, + { 26000000, 1600000000, 800, 13, 1, 8}, + + /* 1.5 GHz */ + { 12000000, 1500000000, 750, 6, 1, 8}, + { 13000000, 1500000000, 923, 8, 1, 8}, /* actual: 1499.8 MHz */ + { 16800000, 1500000000, 625, 7, 1, 8}, + { 19200000, 1500000000, 625, 8, 1, 8}, + { 26000000, 1500000000, 750, 13, 1, 8}, + + /* 1.4 GHz */ + { 12000000, 1400000000, 700, 6, 1, 8}, + { 13000000, 1400000000, 969, 9, 1, 8}, /* actual: 1399.7 MHz */ + { 16800000, 1400000000, 1000, 12, 1, 8}, + { 19200000, 1400000000, 875, 12, 1, 8}, + { 26000000, 1400000000, 700, 13, 1, 8}, + + /* 1.3 GHz */ + { 12000000, 1300000000, 975, 9, 1, 8}, + { 13000000, 1300000000, 1000, 10, 1, 8}, + { 16800000, 1300000000, 928, 12, 1, 8}, /* actual: 1299.2 MHz */ + { 19200000, 1300000000, 812, 12, 1, 8}, /* actual: 1299.2 MHz */ + { 26000000, 1300000000, 650, 13, 1, 8}, + + /* 1.2 GHz */ + { 12000000, 1200000000, 1000, 10, 1, 8}, + { 13000000, 1200000000, 923, 10, 1, 8}, /* actual: 1199.9 MHz */ + { 16800000, 1200000000, 1000, 14, 1, 8}, + { 19200000, 1200000000, 1000, 16, 1, 8}, + { 26000000, 1200000000, 600, 13, 1, 8}, + + /* 1.1 GHz */ + { 12000000, 1100000000, 825, 9, 1, 8}, + { 13000000, 1100000000, 846, 10, 1, 8}, /* actual: 1099.8 MHz */ + { 16800000, 1100000000, 982, 15, 1, 8}, /* actual: 1099.8 MHz */ + { 19200000, 1100000000, 859, 15, 1, 8}, /* actual: 1099.5 MHz */ + { 26000000, 1100000000, 550, 13, 1, 8}, + + /* 1 GHz */ + { 12000000, 1000000000, 1000, 12, 1, 8}, + { 13000000, 1000000000, 1000, 13, 1, 8}, + { 16800000, 1000000000, 833, 14, 1, 8}, /* actual: 999.6 MHz */ + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 8}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_x = { + .name = "pll_x", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, + .ops = &tegra30_pll_ops, + .reg = 0xe0, + .parent = &tegra_pll_ref, + .max_rate = 1700000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1700000000, + .freq_table = tegra_pll_x_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_x_out0 = { + .name = "pll_x_out0", + .ops = &tegra30_pll_div_ops, + .flags = DIV_2 | PLLX, + .parent = &tegra_pll_x, + .max_rate = 850000000, +}; + + +static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { + /* PLLE special case: use cpcon field to store cml divider value */ + { 12000000, 100000000, 150, 1, 18, 11}, + { 216000000, 100000000, 200, 18, 24, 13}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_e = { + .name = "pll_e", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra30_plle_ops, + .reg = 0xe8, + .max_rate = 100000000, + .u.pll = { + .input_min = 12000000, + .input_max = 216000000, + .cf_min = 12000000, + .cf_max = 12000000, + .vco_min = 1200000000, + .vco_max = 2400000000U, + .freq_table = tegra_pll_e_freq_table, + .lock_delay = 300, + .fixed_rate = 100000000, + }, +}; + +static struct clk tegra_cml0_clk = { + .name = "cml0", + .parent = &tegra_pll_e, + .ops = &tegra_cml_clk_ops, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 0, + }, +}; + +static struct clk tegra_cml1_clk = { + .name = "cml1", + .parent = &tegra_pll_e, + .ops = &tegra_cml_clk_ops, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 1, + }, +}; + +static struct clk tegra_pciex_clk = { + .name = "pciex", + .parent = &tegra_pll_e, + .ops = &tegra_pciex_clk_ops, + .max_rate = 100000000, + .u.periph = { + .clk_num = 74, + }, +}; + +/* Audio sync clocks */ +#define SYNC_SOURCE(_id) \ + { \ + .name = #_id "_sync", \ + .rate = 24000000, \ + .max_rate = 24000000, \ + .ops = &tegra_sync_source_ops \ + } +static struct clk tegra_sync_source_list[] = { + SYNC_SOURCE(spdif_in), + SYNC_SOURCE(i2s0), + SYNC_SOURCE(i2s1), + SYNC_SOURCE(i2s2), + SYNC_SOURCE(i2s3), + SYNC_SOURCE(i2s4), + SYNC_SOURCE(vimclk), +}; + +static struct clk_mux_sel mux_audio_sync_clk[] = { + { .input = &tegra_sync_source_list[0], .value = 0}, + { .input = &tegra_sync_source_list[1], .value = 1}, + { .input = &tegra_sync_source_list[2], .value = 2}, + { .input = &tegra_sync_source_list[3], .value = 3}, + { .input = &tegra_sync_source_list[4], .value = 4}, + { .input = &tegra_sync_source_list[5], .value = 5}, + { .input = &tegra_pll_a_out0, .value = 6}, + { .input = &tegra_sync_source_list[6], .value = 7}, + { 0, 0 } +}; + +#define AUDIO_SYNC_CLK(_id, _index) \ + { \ + .name = #_id, \ + .inputs = mux_audio_sync_clk, \ + .reg = 0x4A0 + (_index) * 4, \ + .max_rate = 24000000, \ + .ops = &tegra30_audio_sync_clk_ops \ + } +static struct clk tegra_clk_audio_list[] = { + AUDIO_SYNC_CLK(audio0, 0), + AUDIO_SYNC_CLK(audio1, 1), + AUDIO_SYNC_CLK(audio2, 2), + AUDIO_SYNC_CLK(audio3, 3), + AUDIO_SYNC_CLK(audio4, 4), + AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ +}; + +#define AUDIO_SYNC_2X_CLK(_id, _index) \ + { \ + .name = #_id "_2x", \ + .flags = PERIPH_NO_RESET, \ + .max_rate = 48000000, \ + .ops = &tegra30_clk_double_ops, \ + .reg = 0x49C, \ + .reg_shift = 24 + (_index), \ + .parent = &tegra_clk_audio_list[(_index)], \ + .u.periph = { \ + .clk_num = 113 + (_index), \ + }, \ + } +static struct clk tegra_clk_audio_2x_list[] = { + AUDIO_SYNC_2X_CLK(audio0, 0), + AUDIO_SYNC_2X_CLK(audio1, 1), + AUDIO_SYNC_2X_CLK(audio2, 2), + AUDIO_SYNC_2X_CLK(audio3, 3), + AUDIO_SYNC_2X_CLK(audio4, 4), + AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ +}; + +#define MUX_I2S_SPDIF(_id, _index) \ +static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ + {.input = &tegra_pll_a_out0, .value = 0}, \ + {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ + {.input = &tegra_pll_p, .value = 2}, \ + {.input = &tegra_clk_m, .value = 3}, \ + { 0, 0}, \ +} +MUX_I2S_SPDIF(audio0, 0); +MUX_I2S_SPDIF(audio1, 1); +MUX_I2S_SPDIF(audio2, 2); +MUX_I2S_SPDIF(audio3, 3); +MUX_I2S_SPDIF(audio4, 4); +MUX_I2S_SPDIF(audio, 5); /* SPDIF */ + +/* External clock outputs (through PMC) */ +#define MUX_EXTERN_OUT(_id) \ +static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ + {.input = &tegra_clk_m, .value = 0}, \ + {.input = &tegra_clk_m_div2, .value = 1}, \ + {.input = &tegra_clk_m_div4, .value = 2}, \ + {.input = NULL, .value = 3}, /* placeholder */ \ + { 0, 0}, \ +} +MUX_EXTERN_OUT(1); +MUX_EXTERN_OUT(2); +MUX_EXTERN_OUT(3); + +static struct clk_mux_sel *mux_extern_out_list[] = { + mux_clkm_clkm2_clkm4_extern1, + mux_clkm_clkm2_clkm4_extern2, + mux_clkm_clkm2_clkm4_extern3, +}; + +#define CLK_OUT_CLK(_id) \ + { \ + .name = "clk_out_" #_id, \ + .lookup = { \ + .dev_id = "clk_out_" #_id, \ + .con_id = "extern" #_id, \ + }, \ + .ops = &tegra_clk_out_ops, \ + .reg = 0x1a8, \ + .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ + .flags = MUX_CLK_OUT, \ + .max_rate = 216000000, \ + .u.periph = { \ + .clk_num = (_id - 1) * 8 + 2, \ + }, \ + } +static struct clk tegra_clk_out_list[] = { + CLK_OUT_CLK(1), + CLK_OUT_CLK(2), + CLK_OUT_CLK(3), +}; + +/* called after peripheral external clocks are initialized */ +static void init_clk_out_mux(void) +{ + int i; + struct clk *c; + + /* output clock con_id is the name of peripheral + external clock connected to input 3 of the output mux */ + for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { + c = tegra_get_clock_by_name( + tegra_clk_out_list[i].lookup.con_id); + if (!c) + pr_err("%s: could not find clk %s\n", __func__, + tegra_clk_out_list[i].lookup.con_id); + mux_extern_out_list[i][3].input = c; + } +} + +/* Peripheral muxes */ +static struct clk_mux_sel mux_sclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c_out1, .value = 1}, + { .input = &tegra_pll_p_out4, .value = 2}, + { .input = &tegra_pll_p_out3, .value = 3}, + { .input = &tegra_pll_p_out2, .value = 4}, + /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ + { .input = &tegra_clk_32k, .value = 6}, + { .input = &tegra_pll_m_out1, .value = 7}, + { 0, 0}, +}; + +static struct clk tegra_clk_sclk = { + .name = "sclk", + .inputs = mux_sclk, + .reg = 0x28, + .ops = &tegra30_super_ops, + .max_rate = 334000000, + .min_rate = 40000000, +}; + +static struct clk tegra_clk_blink = { + .name = "blink", + .parent = &tegra_clk_32k, + .reg = 0x40, + .ops = &tegra30_blink_clk_ops, + .max_rate = 32768, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_pll_a_out0, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_m, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_d_out0, .value = 1}, + {.input = &tegra_pll_c, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_m, .value = 1}, + {.input = &tegra_pll_d_out0, .value = 2}, + {.input = &tegra_pll_a_out0, .value = 3}, + {.input = &tegra_pll_c, .value = 4}, + {.input = &tegra_pll_d2_out0, .value = 5}, + {.input = &tegra_clk_m, .value = 6}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { + { .input = &tegra_pll_a_out0, .value = 0}, + /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_32k, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_m, .value = 2}, + {.input = &tegra_clk_32k, .value = 3}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_pll_m, .value = 2}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_clk_m[] = { + { .input = &tegra_clk_m, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_pllp_out3[] = { + { .input = &tegra_pll_p_out3, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plld_out0[] = { + { .input = &tegra_pll_d_out0, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { + { .input = &tegra_pll_d_out0, .value = 0}, + { .input = &tegra_pll_d2_out0, .value = 1}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_clk_32k[] = { + { .input = &tegra_clk_32k, .value = 0}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { + { .input = &tegra_pll_a_out0, .value = 0}, + { .input = &tegra_clk_32k, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { .input = &tegra_pll_e, .value = 4}, + { 0, 0}, +}; + +static struct clk_mux_sel mux_cclk_g[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_clk_32k, .value = 2}, + { .input = &tegra_pll_m, .value = 3}, + { .input = &tegra_pll_p, .value = 4}, + { .input = &tegra_pll_p_out4, .value = 5}, + { .input = &tegra_pll_p_out3, .value = 6}, + { .input = &tegra_pll_x, .value = 8}, + { 0, 0}, +}; + +static struct clk tegra_clk_cclk_g = { + .name = "cclk_g", + .flags = DIV_U71 | DIV_U71_INT, + .inputs = mux_cclk_g, + .reg = 0x368, + .ops = &tegra30_super_ops, + .max_rate = 1700000000, +}; + +static struct clk tegra30_clk_twd = { + .parent = &tegra_clk_cclk_g, + .name = "twd", + .ops = &tegra30_twd_ops, + .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ + .mul = 1, + .div = 2, +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra30_periph_clk_ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ + _flags, _ops) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = _ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_clk_shared_bus_ops, \ + .parent = _parent, \ + .u.shared_bus_user = { \ + .client_id = _id, \ + .client_div = _div, \ + .mode = _mode, \ + }, \ + } +struct clk tegra_list_clks[] = { + PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), + PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), + PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), + PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), + PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), + PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), + PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), + PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ + PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ + PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), + PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), + PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), + PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), + PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), + PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), + PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), + PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), + PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), + PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), + PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), + PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), + PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), + PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), + PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), + PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ + PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), + + PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), + PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), + PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), + PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), + PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + } + +/* Some clocks may be used by different drivers depending on the board + * configuration. List those here to register them twice in the clock lookup + * table under two names. + */ +struct clk_duplicate tegra_clk_duplicates[] = { + CLK_DUPLICATE("uarta", "serial8250.0", NULL), + CLK_DUPLICATE("uartb", "serial8250.1", NULL), + CLK_DUPLICATE("uartc", "serial8250.2", NULL), + CLK_DUPLICATE("uartd", "serial8250.3", NULL), + CLK_DUPLICATE("uarte", "serial8250.4", NULL), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("dsib", "tegradc.0", "dsib"), + CLK_DUPLICATE("dsia", "tegradc.1", "dsia"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("bsev", "tegra-avp", "bsev"), + CLK_DUPLICATE("bsev", "nvavp", "bsev"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("bsea", "tegra-aes", "bsea"), + CLK_DUPLICATE("bsea", "nvavp", "bsea"), + CLK_DUPLICATE("cml1", "tegra_sata_cml", NULL), + CLK_DUPLICATE("cml0", "tegra_pcie", "cml"), + CLK_DUPLICATE("pciex", "tegra_pcie", "pciex"), + CLK_DUPLICATE("i2c1", "tegra-i2c-slave.0", NULL), + CLK_DUPLICATE("i2c2", "tegra-i2c-slave.1", NULL), + CLK_DUPLICATE("i2c3", "tegra-i2c-slave.2", NULL), + CLK_DUPLICATE("i2c4", "tegra-i2c-slave.3", NULL), + CLK_DUPLICATE("i2c5", "tegra-i2c-slave.4", NULL), + CLK_DUPLICATE("sbc1", "spi_slave_tegra.0", NULL), + CLK_DUPLICATE("sbc2", "spi_slave_tegra.1", NULL), + CLK_DUPLICATE("sbc3", "spi_slave_tegra.2", NULL), + CLK_DUPLICATE("sbc4", "spi_slave_tegra.3", NULL), + CLK_DUPLICATE("sbc5", "spi_slave_tegra.4", NULL), + CLK_DUPLICATE("sbc6", "spi_slave_tegra.5", NULL), + CLK_DUPLICATE("twd", "smp_twd", NULL), + CLK_DUPLICATE("vcp", "nvavp", "vcp"), + CLK_DUPLICATE("i2s0", NULL, "i2s0"), + CLK_DUPLICATE("i2s1", NULL, "i2s1"), + CLK_DUPLICATE("i2s2", NULL, "i2s2"), + CLK_DUPLICATE("i2s3", NULL, "i2s3"), + CLK_DUPLICATE("i2s4", NULL, "i2s4"), + CLK_DUPLICATE("dam0", NULL, "dam0"), + CLK_DUPLICATE("dam1", NULL, "dam1"), + CLK_DUPLICATE("dam2", NULL, "dam2"), + CLK_DUPLICATE("spdif_in", NULL, "spdif_in"), +}; + +struct clk *tegra_ptr_clks[] = { + &tegra_clk_32k, + &tegra_clk_m, + &tegra_clk_m_div2, + &tegra_clk_m_div4, + &tegra_pll_ref, + &tegra_pll_m, + &tegra_pll_m_out1, + &tegra_pll_c, + &tegra_pll_c_out1, + &tegra_pll_p, + &tegra_pll_p_out1, + &tegra_pll_p_out2, + &tegra_pll_p_out3, + &tegra_pll_p_out4, + &tegra_pll_a, + &tegra_pll_a_out0, + &tegra_pll_d, + &tegra_pll_d_out0, + &tegra_pll_d2, + &tegra_pll_d2_out0, + &tegra_pll_u, + &tegra_pll_x, + &tegra_pll_x_out0, + &tegra_pll_e, + &tegra_clk_cclk_g, + &tegra_cml0_clk, + &tegra_cml1_clk, + &tegra_pciex_clk, + &tegra_clk_sclk, + &tegra_clk_blink, + &tegra30_clk_twd, +}; + + +static void tegra30_init_one_clock(struct clk *c) +{ + clk_init(c); + INIT_LIST_HEAD(&c->shared_bus_list); + if (!c->lookup.dev_id && !c->lookup.con_id) + c->lookup.con_id = c->name; + c->lookup.clk = c; + clkdev_add(&c->lookup); +} + +void __init tegra30_init_clocks(void) +{ + int i; + struct clk *c; + + for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) + tegra30_init_one_clock(tegra_ptr_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) + tegra30_init_one_clock(&tegra_list_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { + c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); + if (!c) { + pr_err("%s: Unknown duplicate clock %s\n", __func__, + tegra_clk_duplicates[i].name); + continue; + } + + tegra_clk_duplicates[i].lookup.clk = c; + clkdev_add(&tegra_clk_duplicates[i].lookup); + } + + for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) + tegra30_init_one_clock(&tegra_sync_source_list[i]); + for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) + tegra30_init_one_clock(&tegra_clk_audio_list[i]); + for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) + tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); + + init_clk_out_mux(); + for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) + tegra30_init_one_clock(&tegra_clk_out_list[i]); + +} -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 3/6] ARM: tegra: Rename tegra20 clock file 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 10:37 ` Prashant Gaikwad -1 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: Prashant Gaikwad, linux, linux-kernel, olof, ccross, linux-tegra, linux-arm-kernel Make the name consistent with other files. s/tegra2/tegra20 Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/Makefile | 2 +- .../{tegra2_clocks.c => tegra20_clocks.c} | 0 2 files changed, 1 insertions(+), 1 deletions(-) rename arch/arm/mach-tegra/{tegra2_clocks.c => tegra20_clocks.c} (100%) diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 141bf4b..452c105 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -11,7 +11,7 @@ obj-y += flowctrl.o obj-y += powergate.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_IDLE) += sleep.o -obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks_data.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra20_clocks.c similarity index 100% rename from arch/arm/mach-tegra/tegra2_clocks.c rename to arch/arm/mach-tegra/tegra20_clocks.c -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 3/6] ARM: tegra: Rename tegra20 clock file @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: linux-arm-kernel Make the name consistent with other files. s/tegra2/tegra20 Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/Makefile | 2 +- .../{tegra2_clocks.c => tegra20_clocks.c} | 0 2 files changed, 1 insertions(+), 1 deletions(-) rename arch/arm/mach-tegra/{tegra2_clocks.c => tegra20_clocks.c} (100%) diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 141bf4b..452c105 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -11,7 +11,7 @@ obj-y += flowctrl.o obj-y += powergate.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_IDLE) += sleep.o -obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks_data.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra20_clocks.c similarity index 100% rename from arch/arm/mach-tegra/tegra2_clocks.c rename to arch/arm/mach-tegra/tegra20_clocks.c -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 3/6] ARM: tegra: Rename tegra20 clock file @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad Make the name consistent with other files. s/tegra2/tegra20 Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/Makefile | 2 +- .../{tegra2_clocks.c => tegra20_clocks.c} | 0 2 files changed, 1 insertions(+), 1 deletions(-) rename arch/arm/mach-tegra/{tegra2_clocks.c => tegra20_clocks.c} (100%) diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index 141bf4b..452c105 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -11,7 +11,7 @@ obj-y += flowctrl.o obj-y += powergate.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_IDLE) += sleep.o -obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks_data.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra20_clocks.c similarity index 100% rename from arch/arm/mach-tegra/tegra2_clocks.c rename to arch/arm/mach-tegra/tegra20_clocks.c -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 10:37 ` Prashant Gaikwad -1 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad Add Tegra platform specific clock structure clk_tegra and some helper functions for generic clock framework. struct clk_tegra is the single strcture used for all types of clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/clock.c | 126 +++++++++++++++++++++++++++++++- arch/arm/mach-tegra/clock.h | 90 ++++++++++++++++++++--- arch/arm/mach-tegra/common.c | 2 + arch/arm/mach-tegra/include/mach/clk.h | 3 + 4 files changed, 210 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index 58f981c..ef9b494 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -1,6 +1,7 @@ /* * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -62,6 +63,7 @@ static DEFINE_MUTEX(clock_list_lock); static LIST_HEAD(clocks); +#ifndef CONFIG_COMMON_CLK struct clk *tegra_get_clock_by_name(const char *name) { struct clk *c; @@ -668,5 +670,127 @@ err_out: debugfs_remove_recursive(clk_debugfs_root); return err; } - #endif +#else + +void tegra_clk_add(struct clk *clk) +{ + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); + + mutex_lock(&clock_list_lock); + list_add(&c->node, &clocks); + mutex_unlock(&clock_list_lock); +} + +struct clk *tegra_get_clock_by_name(const char *name) +{ + struct clk_tegra *c; + struct clk *ret = NULL; + mutex_lock(&clock_list_lock); + list_for_each_entry(c, &clocks, node) { + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { + ret = c->hw.clk; + break; + } + } + mutex_unlock(&clock_list_lock); + return ret; +} + +static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table) +{ + struct clk *c; + struct clk *p; + struct clk *parent; + + int ret = 0; + + c = tegra_get_clock_by_name(table->name); + + if (!c) { + pr_warn("Unable to initialize clock %s\n", + table->name); + return -ENODEV; + } + + parent = clk_get_parent(c); + + if (table->parent) { + p = tegra_get_clock_by_name(table->parent); + if (!p) { + pr_warn("Unable to find parent %s of clock %s\n", + table->parent, table->name); + return -ENODEV; + } + + if (parent != p) { + ret = clk_set_parent(c, p); + if (ret) { + pr_warn("Unable to set parent %s of clock %s: %d\n", + table->parent, table->name, ret); + return -EINVAL; + } + } + } + + if (table->rate && table->rate != clk_get_rate(c)) { + ret = clk_set_rate(c, table->rate); + if (ret) { + pr_warn("Unable to set clock %s to rate %lu: %d\n", + table->name, table->rate, ret); + return -EINVAL; + } + } + + if (table->enabled) { + ret = clk_prepare_enable(c); + if (ret) { + pr_warn("Unable to enable clock %s: %d\n", + table->name, ret); + return -EINVAL; + } + } + + return 0; +} + +void tegra_clk_init_from_table(struct tegra_clk_init_table *table) +{ + for (; table->name; table++) + tegra_clk_init_one_from_table(table); +} + +void tegra_periph_reset_deassert(struct clk *c) +{ + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + BUG_ON(!clk->reset); + clk->reset(__clk_get_hw(c), false); +} +EXPORT_SYMBOL(tegra_periph_reset_deassert); + +void tegra_periph_reset_assert(struct clk *c) +{ + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + BUG_ON(!clk->reset); + clk->reset(__clk_get_hw(c), true); +} +EXPORT_SYMBOL(tegra_periph_reset_assert); + +/* Several extended clock configuration bits (e.g., clock routing, clock + * phase control) are included in PLL and peripheral clock source + * registers. */ +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +{ + int ret = 0; + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + + if (!clk->clk_cfg_ex) { + ret = -ENOSYS; + goto out; + } + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); + +out: + return ret; +} +#endif /* !CONFIG_COMMON_CLK */ diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index bc30065..f4d32ba 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/include/mach/clock.h * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -20,6 +21,7 @@ #ifndef __MACH_TEGRA_CLOCK_H #define __MACH_TEGRA_CLOCK_H +#include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/list.h> #include <linux/spinlock.h> @@ -54,6 +56,11 @@ struct clk; +#ifdef CONFIG_COMMON_CLK +struct clk_tegra; +#define to_clk_tegra(_hw) container_of(_hw, struct clk_tegra, hw) +#endif + struct clk_mux_sel { struct clk *input; u32 value; @@ -68,6 +75,13 @@ struct clk_pll_freq_table { u8 cpcon; }; +enum clk_state { + UNINITIALIZED = 0, + ON, + OFF, +}; + +#ifndef CONFIG_COMMON_CLK struct clk_ops { void (*init)(struct clk *); int (*enable)(struct clk *); @@ -80,12 +94,6 @@ struct clk_ops { enum tegra_clk_ex_param, u32); }; -enum clk_state { - UNINITIALIZED = 0, - ON, - OFF, -}; - struct clk { /* node for master clocks list */ struct list_head node; /* node for list of all clocks */ @@ -147,6 +155,65 @@ struct clk { spinlock_t spinlock; }; +#else + +struct clk_tegra { + /* node for master clocks list */ + struct list_head node; /* node for list of all clocks */ + struct clk_lookup lookup; + struct clk_hw hw; + + bool set; + unsigned long fixed_rate; + unsigned long max_rate; + unsigned long min_rate; + u32 flags; + const char *name; + + enum clk_state state; + u32 div; + u32 mul; + + u32 reg; + u32 reg_shift; + + struct list_head shared_bus_list; + + union { + struct { + unsigned int clk_num; + } periph; + struct { + unsigned long input_min; + unsigned long input_max; + unsigned long cf_min; + unsigned long cf_max; + unsigned long vco_min; + unsigned long vco_max; + const struct clk_pll_freq_table *freq_table; + int lock_delay; + unsigned long fixed_rate; + } pll; + struct { + u32 sel; + u32 reg_mask; + } mux; + struct { + struct clk *main; + struct clk *backup; + } cpu; + struct { + struct list_head node; + bool enabled; + unsigned long rate; + } shared_bus_user; + } u; + + void (*reset)(struct clk_hw *, bool); + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); +}; +#endif /* !CONFIG_COMMON_CLK */ + struct clk_duplicate { const char *name; struct clk_lookup lookup; @@ -159,13 +226,16 @@ struct tegra_clk_init_table { bool enabled; }; +#ifndef CONFIG_COMMON_CLK +void clk_init(struct clk *clk); +unsigned long clk_get_rate_locked(struct clk *c); +int clk_set_rate_locked(struct clk *c, unsigned long rate); +int clk_reparent(struct clk *c, struct clk *parent); +#endif /* !CONFIG_COMMON_CLK */ + void tegra2_init_clocks(void); void tegra30_init_clocks(void); -void clk_init(struct clk *clk); struct clk *tegra_get_clock_by_name(const char *name); -int clk_reparent(struct clk *c, struct clk *parent); void tegra_clk_init_from_table(struct tegra_clk_init_table *table); -unsigned long clk_get_rate_locked(struct clk *c); -int clk_set_rate_locked(struct clk *c, unsigned long rate); #endif diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 204a5c8..c91a1b2 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -149,6 +149,8 @@ void __init tegra30_init_early(void) void __init tegra_init_late(void) { +#ifndef CONFIG_COMMON_CLK tegra_clk_debugfs_init(); +#endif tegra_powergate_debugfs_init(); } diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h index d97e403..95f3a54 100644 --- a/arch/arm/mach-tegra/include/mach/clk.h +++ b/arch/arm/mach-tegra/include/mach/clk.h @@ -34,7 +34,10 @@ enum tegra_clk_ex_param { void tegra_periph_reset_deassert(struct clk *c); void tegra_periph_reset_assert(struct clk *c); +#ifndef CONFIG_COMMON_CLK unsigned long clk_get_rate_all_locked(struct clk *c); +#endif + void tegra2_sdmmc_tap_delay(struct clk *c, int delay); int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting); -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: linux-arm-kernel Add Tegra platform specific clock structure clk_tegra and some helper functions for generic clock framework. struct clk_tegra is the single strcture used for all types of clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/clock.c | 126 +++++++++++++++++++++++++++++++- arch/arm/mach-tegra/clock.h | 90 ++++++++++++++++++++--- arch/arm/mach-tegra/common.c | 2 + arch/arm/mach-tegra/include/mach/clk.h | 3 + 4 files changed, 210 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index 58f981c..ef9b494 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -1,6 +1,7 @@ /* * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -62,6 +63,7 @@ static DEFINE_MUTEX(clock_list_lock); static LIST_HEAD(clocks); +#ifndef CONFIG_COMMON_CLK struct clk *tegra_get_clock_by_name(const char *name) { struct clk *c; @@ -668,5 +670,127 @@ err_out: debugfs_remove_recursive(clk_debugfs_root); return err; } - #endif +#else + +void tegra_clk_add(struct clk *clk) +{ + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); + + mutex_lock(&clock_list_lock); + list_add(&c->node, &clocks); + mutex_unlock(&clock_list_lock); +} + +struct clk *tegra_get_clock_by_name(const char *name) +{ + struct clk_tegra *c; + struct clk *ret = NULL; + mutex_lock(&clock_list_lock); + list_for_each_entry(c, &clocks, node) { + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { + ret = c->hw.clk; + break; + } + } + mutex_unlock(&clock_list_lock); + return ret; +} + +static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table) +{ + struct clk *c; + struct clk *p; + struct clk *parent; + + int ret = 0; + + c = tegra_get_clock_by_name(table->name); + + if (!c) { + pr_warn("Unable to initialize clock %s\n", + table->name); + return -ENODEV; + } + + parent = clk_get_parent(c); + + if (table->parent) { + p = tegra_get_clock_by_name(table->parent); + if (!p) { + pr_warn("Unable to find parent %s of clock %s\n", + table->parent, table->name); + return -ENODEV; + } + + if (parent != p) { + ret = clk_set_parent(c, p); + if (ret) { + pr_warn("Unable to set parent %s of clock %s: %d\n", + table->parent, table->name, ret); + return -EINVAL; + } + } + } + + if (table->rate && table->rate != clk_get_rate(c)) { + ret = clk_set_rate(c, table->rate); + if (ret) { + pr_warn("Unable to set clock %s to rate %lu: %d\n", + table->name, table->rate, ret); + return -EINVAL; + } + } + + if (table->enabled) { + ret = clk_prepare_enable(c); + if (ret) { + pr_warn("Unable to enable clock %s: %d\n", + table->name, ret); + return -EINVAL; + } + } + + return 0; +} + +void tegra_clk_init_from_table(struct tegra_clk_init_table *table) +{ + for (; table->name; table++) + tegra_clk_init_one_from_table(table); +} + +void tegra_periph_reset_deassert(struct clk *c) +{ + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + BUG_ON(!clk->reset); + clk->reset(__clk_get_hw(c), false); +} +EXPORT_SYMBOL(tegra_periph_reset_deassert); + +void tegra_periph_reset_assert(struct clk *c) +{ + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + BUG_ON(!clk->reset); + clk->reset(__clk_get_hw(c), true); +} +EXPORT_SYMBOL(tegra_periph_reset_assert); + +/* Several extended clock configuration bits (e.g., clock routing, clock + * phase control) are included in PLL and peripheral clock source + * registers. */ +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +{ + int ret = 0; + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + + if (!clk->clk_cfg_ex) { + ret = -ENOSYS; + goto out; + } + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); + +out: + return ret; +} +#endif /* !CONFIG_COMMON_CLK */ diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index bc30065..f4d32ba 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/include/mach/clock.h * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -20,6 +21,7 @@ #ifndef __MACH_TEGRA_CLOCK_H #define __MACH_TEGRA_CLOCK_H +#include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/list.h> #include <linux/spinlock.h> @@ -54,6 +56,11 @@ struct clk; +#ifdef CONFIG_COMMON_CLK +struct clk_tegra; +#define to_clk_tegra(_hw) container_of(_hw, struct clk_tegra, hw) +#endif + struct clk_mux_sel { struct clk *input; u32 value; @@ -68,6 +75,13 @@ struct clk_pll_freq_table { u8 cpcon; }; +enum clk_state { + UNINITIALIZED = 0, + ON, + OFF, +}; + +#ifndef CONFIG_COMMON_CLK struct clk_ops { void (*init)(struct clk *); int (*enable)(struct clk *); @@ -80,12 +94,6 @@ struct clk_ops { enum tegra_clk_ex_param, u32); }; -enum clk_state { - UNINITIALIZED = 0, - ON, - OFF, -}; - struct clk { /* node for master clocks list */ struct list_head node; /* node for list of all clocks */ @@ -147,6 +155,65 @@ struct clk { spinlock_t spinlock; }; +#else + +struct clk_tegra { + /* node for master clocks list */ + struct list_head node; /* node for list of all clocks */ + struct clk_lookup lookup; + struct clk_hw hw; + + bool set; + unsigned long fixed_rate; + unsigned long max_rate; + unsigned long min_rate; + u32 flags; + const char *name; + + enum clk_state state; + u32 div; + u32 mul; + + u32 reg; + u32 reg_shift; + + struct list_head shared_bus_list; + + union { + struct { + unsigned int clk_num; + } periph; + struct { + unsigned long input_min; + unsigned long input_max; + unsigned long cf_min; + unsigned long cf_max; + unsigned long vco_min; + unsigned long vco_max; + const struct clk_pll_freq_table *freq_table; + int lock_delay; + unsigned long fixed_rate; + } pll; + struct { + u32 sel; + u32 reg_mask; + } mux; + struct { + struct clk *main; + struct clk *backup; + } cpu; + struct { + struct list_head node; + bool enabled; + unsigned long rate; + } shared_bus_user; + } u; + + void (*reset)(struct clk_hw *, bool); + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); +}; +#endif /* !CONFIG_COMMON_CLK */ + struct clk_duplicate { const char *name; struct clk_lookup lookup; @@ -159,13 +226,16 @@ struct tegra_clk_init_table { bool enabled; }; +#ifndef CONFIG_COMMON_CLK +void clk_init(struct clk *clk); +unsigned long clk_get_rate_locked(struct clk *c); +int clk_set_rate_locked(struct clk *c, unsigned long rate); +int clk_reparent(struct clk *c, struct clk *parent); +#endif /* !CONFIG_COMMON_CLK */ + void tegra2_init_clocks(void); void tegra30_init_clocks(void); -void clk_init(struct clk *clk); struct clk *tegra_get_clock_by_name(const char *name); -int clk_reparent(struct clk *c, struct clk *parent); void tegra_clk_init_from_table(struct tegra_clk_init_table *table); -unsigned long clk_get_rate_locked(struct clk *c); -int clk_set_rate_locked(struct clk *c, unsigned long rate); #endif diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 204a5c8..c91a1b2 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -149,6 +149,8 @@ void __init tegra30_init_early(void) void __init tegra_init_late(void) { +#ifndef CONFIG_COMMON_CLK tegra_clk_debugfs_init(); +#endif tegra_powergate_debugfs_init(); } diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h index d97e403..95f3a54 100644 --- a/arch/arm/mach-tegra/include/mach/clk.h +++ b/arch/arm/mach-tegra/include/mach/clk.h @@ -34,7 +34,10 @@ enum tegra_clk_ex_param { void tegra_periph_reset_deassert(struct clk *c); void tegra_periph_reset_assert(struct clk *c); +#ifndef CONFIG_COMMON_CLK unsigned long clk_get_rate_all_locked(struct clk *c); +#endif + void tegra2_sdmmc_tap_delay(struct clk *c, int delay); int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting); -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad Add Tegra platform specific clock structure clk_tegra and some helper functions for generic clock framework. struct clk_tegra is the single strcture used for all types of clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/clock.c | 126 +++++++++++++++++++++++++++++++- arch/arm/mach-tegra/clock.h | 90 ++++++++++++++++++++--- arch/arm/mach-tegra/common.c | 2 + arch/arm/mach-tegra/include/mach/clk.h | 3 + 4 files changed, 210 insertions(+), 11 deletions(-) diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index 58f981c..ef9b494 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -1,6 +1,7 @@ /* * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -62,6 +63,7 @@ static DEFINE_MUTEX(clock_list_lock); static LIST_HEAD(clocks); +#ifndef CONFIG_COMMON_CLK struct clk *tegra_get_clock_by_name(const char *name) { struct clk *c; @@ -668,5 +670,127 @@ err_out: debugfs_remove_recursive(clk_debugfs_root); return err; } - #endif +#else + +void tegra_clk_add(struct clk *clk) +{ + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); + + mutex_lock(&clock_list_lock); + list_add(&c->node, &clocks); + mutex_unlock(&clock_list_lock); +} + +struct clk *tegra_get_clock_by_name(const char *name) +{ + struct clk_tegra *c; + struct clk *ret = NULL; + mutex_lock(&clock_list_lock); + list_for_each_entry(c, &clocks, node) { + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { + ret = c->hw.clk; + break; + } + } + mutex_unlock(&clock_list_lock); + return ret; +} + +static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table) +{ + struct clk *c; + struct clk *p; + struct clk *parent; + + int ret = 0; + + c = tegra_get_clock_by_name(table->name); + + if (!c) { + pr_warn("Unable to initialize clock %s\n", + table->name); + return -ENODEV; + } + + parent = clk_get_parent(c); + + if (table->parent) { + p = tegra_get_clock_by_name(table->parent); + if (!p) { + pr_warn("Unable to find parent %s of clock %s\n", + table->parent, table->name); + return -ENODEV; + } + + if (parent != p) { + ret = clk_set_parent(c, p); + if (ret) { + pr_warn("Unable to set parent %s of clock %s: %d\n", + table->parent, table->name, ret); + return -EINVAL; + } + } + } + + if (table->rate && table->rate != clk_get_rate(c)) { + ret = clk_set_rate(c, table->rate); + if (ret) { + pr_warn("Unable to set clock %s to rate %lu: %d\n", + table->name, table->rate, ret); + return -EINVAL; + } + } + + if (table->enabled) { + ret = clk_prepare_enable(c); + if (ret) { + pr_warn("Unable to enable clock %s: %d\n", + table->name, ret); + return -EINVAL; + } + } + + return 0; +} + +void tegra_clk_init_from_table(struct tegra_clk_init_table *table) +{ + for (; table->name; table++) + tegra_clk_init_one_from_table(table); +} + +void tegra_periph_reset_deassert(struct clk *c) +{ + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + BUG_ON(!clk->reset); + clk->reset(__clk_get_hw(c), false); +} +EXPORT_SYMBOL(tegra_periph_reset_deassert); + +void tegra_periph_reset_assert(struct clk *c) +{ + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + BUG_ON(!clk->reset); + clk->reset(__clk_get_hw(c), true); +} +EXPORT_SYMBOL(tegra_periph_reset_assert); + +/* Several extended clock configuration bits (e.g., clock routing, clock + * phase control) are included in PLL and peripheral clock source + * registers. */ +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +{ + int ret = 0; + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); + + if (!clk->clk_cfg_ex) { + ret = -ENOSYS; + goto out; + } + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); + +out: + return ret; +} +#endif /* !CONFIG_COMMON_CLK */ diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index bc30065..f4d32ba 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/include/mach/clock.h * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -20,6 +21,7 @@ #ifndef __MACH_TEGRA_CLOCK_H #define __MACH_TEGRA_CLOCK_H +#include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/list.h> #include <linux/spinlock.h> @@ -54,6 +56,11 @@ struct clk; +#ifdef CONFIG_COMMON_CLK +struct clk_tegra; +#define to_clk_tegra(_hw) container_of(_hw, struct clk_tegra, hw) +#endif + struct clk_mux_sel { struct clk *input; u32 value; @@ -68,6 +75,13 @@ struct clk_pll_freq_table { u8 cpcon; }; +enum clk_state { + UNINITIALIZED = 0, + ON, + OFF, +}; + +#ifndef CONFIG_COMMON_CLK struct clk_ops { void (*init)(struct clk *); int (*enable)(struct clk *); @@ -80,12 +94,6 @@ struct clk_ops { enum tegra_clk_ex_param, u32); }; -enum clk_state { - UNINITIALIZED = 0, - ON, - OFF, -}; - struct clk { /* node for master clocks list */ struct list_head node; /* node for list of all clocks */ @@ -147,6 +155,65 @@ struct clk { spinlock_t spinlock; }; +#else + +struct clk_tegra { + /* node for master clocks list */ + struct list_head node; /* node for list of all clocks */ + struct clk_lookup lookup; + struct clk_hw hw; + + bool set; + unsigned long fixed_rate; + unsigned long max_rate; + unsigned long min_rate; + u32 flags; + const char *name; + + enum clk_state state; + u32 div; + u32 mul; + + u32 reg; + u32 reg_shift; + + struct list_head shared_bus_list; + + union { + struct { + unsigned int clk_num; + } periph; + struct { + unsigned long input_min; + unsigned long input_max; + unsigned long cf_min; + unsigned long cf_max; + unsigned long vco_min; + unsigned long vco_max; + const struct clk_pll_freq_table *freq_table; + int lock_delay; + unsigned long fixed_rate; + } pll; + struct { + u32 sel; + u32 reg_mask; + } mux; + struct { + struct clk *main; + struct clk *backup; + } cpu; + struct { + struct list_head node; + bool enabled; + unsigned long rate; + } shared_bus_user; + } u; + + void (*reset)(struct clk_hw *, bool); + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); +}; +#endif /* !CONFIG_COMMON_CLK */ + struct clk_duplicate { const char *name; struct clk_lookup lookup; @@ -159,13 +226,16 @@ struct tegra_clk_init_table { bool enabled; }; +#ifndef CONFIG_COMMON_CLK +void clk_init(struct clk *clk); +unsigned long clk_get_rate_locked(struct clk *c); +int clk_set_rate_locked(struct clk *c, unsigned long rate); +int clk_reparent(struct clk *c, struct clk *parent); +#endif /* !CONFIG_COMMON_CLK */ + void tegra2_init_clocks(void); void tegra30_init_clocks(void); -void clk_init(struct clk *clk); struct clk *tegra_get_clock_by_name(const char *name); -int clk_reparent(struct clk *c, struct clk *parent); void tegra_clk_init_from_table(struct tegra_clk_init_table *table); -unsigned long clk_get_rate_locked(struct clk *c); -int clk_set_rate_locked(struct clk *c, unsigned long rate); #endif diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 204a5c8..c91a1b2 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -149,6 +149,8 @@ void __init tegra30_init_early(void) void __init tegra_init_late(void) { +#ifndef CONFIG_COMMON_CLK tegra_clk_debugfs_init(); +#endif tegra_powergate_debugfs_init(); } diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h index d97e403..95f3a54 100644 --- a/arch/arm/mach-tegra/include/mach/clk.h +++ b/arch/arm/mach-tegra/include/mach/clk.h @@ -34,7 +34,10 @@ enum tegra_clk_ex_param { void tegra_periph_reset_deassert(struct clk *c); void tegra_periph_reset_assert(struct clk *c); +#ifndef CONFIG_COMMON_CLK unsigned long clk_get_rate_all_locked(struct clk *c); +#endif + void tegra2_sdmmc_tap_delay(struct clk *c, int delay); int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting); -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
[parent not found: <1340879846-12900-5-git-send-email-pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>]
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 18:28 ` Mike Turquette -1 siblings, 0 replies; 57+ messages in thread From: Mike Turquette @ 2012-06-28 18:28 UTC (permalink / raw) To: Prashant Gaikwad Cc: swarren-3lzwWm7+Weoh9ZMKESR00Q, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w On 20120628-16:07, Prashant Gaikwad wrote: > Add Tegra platform specific clock structure clk_tegra and > some helper functions for generic clock framework. > > struct clk_tegra is the single strcture used for all types of > clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. > > Signed-off-by: Prashant Gaikwad <pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Hi Prashant, I'm happy to see Tegra getting ported over to the common clk framework. <snip> > +void tegra_clk_add(struct clk *clk) > +{ > + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); > + > + mutex_lock(&clock_list_lock); > + list_add(&c->node, &clocks); > + mutex_unlock(&clock_list_lock); > +} > + > +struct clk *tegra_get_clock_by_name(const char *name) > +{ > + struct clk_tegra *c; > + struct clk *ret = NULL; > + mutex_lock(&clock_list_lock); > + list_for_each_entry(c, &clocks, node) { > + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { > + ret = c->hw.clk; > + break; > + } > + } > + mutex_unlock(&clock_list_lock); > + return ret; > +} > + Are you planning to continue using an internal list of struct clk_tegra? OMAP had a similar list for the legacy clock framework but that was since removed and now lookups are done solely through clkdev. <snip> > +void tegra_periph_reset_deassert(struct clk *c) > +{ > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + BUG_ON(!clk->reset); > + clk->reset(__clk_get_hw(c), false); > +} > +EXPORT_SYMBOL(tegra_periph_reset_deassert); > + > +void tegra_periph_reset_assert(struct clk *c) > +{ > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + BUG_ON(!clk->reset); > + clk->reset(__clk_get_hw(c), true); > +} > +EXPORT_SYMBOL(tegra_periph_reset_assert); > + > +/* Several extended clock configuration bits (e.g., clock routing, clock > + * phase control) are included in PLL and peripheral clock source > + * registers. */ > +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) > +{ > + int ret = 0; > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + > + if (!clk->clk_cfg_ex) { > + ret = -ENOSYS; > + goto out; > + } > + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); > + > +out: > + return ret; > +} We had some discussions in the past on your clock reset and external line request operations which you've had to put into struct clk_tegra. Do you need to expose those ops to code in drivers/*? I consider that a reasonable litmus test to start considering if something should be moved into the generic clk.h api. <snip> > +enum clk_state { > + UNINITIALIZED = 0, > + ON, > + OFF, > +}; How is clk_state used? Might it be helpful to you if that was in the generic code in drivers/clk/clk.c? <snip> > +struct clk_tegra { > + /* node for master clocks list */ > + struct list_head node; /* node for list of all clocks */ > + struct clk_lookup lookup; > + struct clk_hw hw; > + > + bool set; > + unsigned long fixed_rate; > + unsigned long max_rate; > + unsigned long min_rate; > + u32 flags; > + const char *name; > + > + enum clk_state state; > + u32 div; > + u32 mul; > + > + u32 reg; > + u32 reg_shift; > + > + struct list_head shared_bus_list; > + > + union { > + struct { > + unsigned int clk_num; > + } periph; > + struct { > + unsigned long input_min; > + unsigned long input_max; > + unsigned long cf_min; > + unsigned long cf_max; > + unsigned long vco_min; > + unsigned long vco_max; > + const struct clk_pll_freq_table *freq_table; > + int lock_delay; > + unsigned long fixed_rate; > + } pll; > + struct { > + u32 sel; > + u32 reg_mask; > + } mux; > + struct { > + struct clk *main; > + struct clk *backup; > + } cpu; > + struct { > + struct list_head node; > + bool enabled; > + unsigned long rate; > + } shared_bus_user; > + } u; > + > + void (*reset)(struct clk_hw *, bool); > + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); > +}; I know this is an initial effort but I hope in time that struct clk_tegra can be broken up into separate clk types. It would be even better if some of the Tegra clocks code be converted over to the common clk types in drivers/clk/clk-*.c Regards, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-06-28 18:28 ` Mike Turquette 0 siblings, 0 replies; 57+ messages in thread From: Mike Turquette @ 2012-06-28 18:28 UTC (permalink / raw) To: linux-arm-kernel On 20120628-16:07, Prashant Gaikwad wrote: > Add Tegra platform specific clock structure clk_tegra and > some helper functions for generic clock framework. > > struct clk_tegra is the single strcture used for all types of > clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. > > Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> Hi Prashant, I'm happy to see Tegra getting ported over to the common clk framework. <snip> > +void tegra_clk_add(struct clk *clk) > +{ > + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); > + > + mutex_lock(&clock_list_lock); > + list_add(&c->node, &clocks); > + mutex_unlock(&clock_list_lock); > +} > + > +struct clk *tegra_get_clock_by_name(const char *name) > +{ > + struct clk_tegra *c; > + struct clk *ret = NULL; > + mutex_lock(&clock_list_lock); > + list_for_each_entry(c, &clocks, node) { > + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { > + ret = c->hw.clk; > + break; > + } > + } > + mutex_unlock(&clock_list_lock); > + return ret; > +} > + Are you planning to continue using an internal list of struct clk_tegra? OMAP had a similar list for the legacy clock framework but that was since removed and now lookups are done solely through clkdev. <snip> > +void tegra_periph_reset_deassert(struct clk *c) > +{ > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + BUG_ON(!clk->reset); > + clk->reset(__clk_get_hw(c), false); > +} > +EXPORT_SYMBOL(tegra_periph_reset_deassert); > + > +void tegra_periph_reset_assert(struct clk *c) > +{ > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + BUG_ON(!clk->reset); > + clk->reset(__clk_get_hw(c), true); > +} > +EXPORT_SYMBOL(tegra_periph_reset_assert); > + > +/* Several extended clock configuration bits (e.g., clock routing, clock > + * phase control) are included in PLL and peripheral clock source > + * registers. */ > +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) > +{ > + int ret = 0; > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + > + if (!clk->clk_cfg_ex) { > + ret = -ENOSYS; > + goto out; > + } > + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); > + > +out: > + return ret; > +} We had some discussions in the past on your clock reset and external line request operations which you've had to put into struct clk_tegra. Do you need to expose those ops to code in drivers/*? I consider that a reasonable litmus test to start considering if something should be moved into the generic clk.h api. <snip> > +enum clk_state { > + UNINITIALIZED = 0, > + ON, > + OFF, > +}; How is clk_state used? Might it be helpful to you if that was in the generic code in drivers/clk/clk.c? <snip> > +struct clk_tegra { > + /* node for master clocks list */ > + struct list_head node; /* node for list of all clocks */ > + struct clk_lookup lookup; > + struct clk_hw hw; > + > + bool set; > + unsigned long fixed_rate; > + unsigned long max_rate; > + unsigned long min_rate; > + u32 flags; > + const char *name; > + > + enum clk_state state; > + u32 div; > + u32 mul; > + > + u32 reg; > + u32 reg_shift; > + > + struct list_head shared_bus_list; > + > + union { > + struct { > + unsigned int clk_num; > + } periph; > + struct { > + unsigned long input_min; > + unsigned long input_max; > + unsigned long cf_min; > + unsigned long cf_max; > + unsigned long vco_min; > + unsigned long vco_max; > + const struct clk_pll_freq_table *freq_table; > + int lock_delay; > + unsigned long fixed_rate; > + } pll; > + struct { > + u32 sel; > + u32 reg_mask; > + } mux; > + struct { > + struct clk *main; > + struct clk *backup; > + } cpu; > + struct { > + struct list_head node; > + bool enabled; > + unsigned long rate; > + } shared_bus_user; > + } u; > + > + void (*reset)(struct clk_hw *, bool); > + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); > +}; I know this is an initial effort but I hope in time that struct clk_tegra can be broken up into separate clk types. It would be even better if some of the Tegra clocks code be converted over to the common clk types in drivers/clk/clk-*.c Regards, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-06-28 18:28 ` Mike Turquette 0 siblings, 0 replies; 57+ messages in thread From: Mike Turquette @ 2012-06-28 18:28 UTC (permalink / raw) To: Prashant Gaikwad Cc: swarren, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof On 20120628-16:07, Prashant Gaikwad wrote: > Add Tegra platform specific clock structure clk_tegra and > some helper functions for generic clock framework. > > struct clk_tegra is the single strcture used for all types of > clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. > > Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> Hi Prashant, I'm happy to see Tegra getting ported over to the common clk framework. <snip> > +void tegra_clk_add(struct clk *clk) > +{ > + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); > + > + mutex_lock(&clock_list_lock); > + list_add(&c->node, &clocks); > + mutex_unlock(&clock_list_lock); > +} > + > +struct clk *tegra_get_clock_by_name(const char *name) > +{ > + struct clk_tegra *c; > + struct clk *ret = NULL; > + mutex_lock(&clock_list_lock); > + list_for_each_entry(c, &clocks, node) { > + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { > + ret = c->hw.clk; > + break; > + } > + } > + mutex_unlock(&clock_list_lock); > + return ret; > +} > + Are you planning to continue using an internal list of struct clk_tegra? OMAP had a similar list for the legacy clock framework but that was since removed and now lookups are done solely through clkdev. <snip> > +void tegra_periph_reset_deassert(struct clk *c) > +{ > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + BUG_ON(!clk->reset); > + clk->reset(__clk_get_hw(c), false); > +} > +EXPORT_SYMBOL(tegra_periph_reset_deassert); > + > +void tegra_periph_reset_assert(struct clk *c) > +{ > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + BUG_ON(!clk->reset); > + clk->reset(__clk_get_hw(c), true); > +} > +EXPORT_SYMBOL(tegra_periph_reset_assert); > + > +/* Several extended clock configuration bits (e.g., clock routing, clock > + * phase control) are included in PLL and peripheral clock source > + * registers. */ > +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) > +{ > + int ret = 0; > + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); > + > + if (!clk->clk_cfg_ex) { > + ret = -ENOSYS; > + goto out; > + } > + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); > + > +out: > + return ret; > +} We had some discussions in the past on your clock reset and external line request operations which you've had to put into struct clk_tegra. Do you need to expose those ops to code in drivers/*? I consider that a reasonable litmus test to start considering if something should be moved into the generic clk.h api. <snip> > +enum clk_state { > + UNINITIALIZED = 0, > + ON, > + OFF, > +}; How is clk_state used? Might it be helpful to you if that was in the generic code in drivers/clk/clk.c? <snip> > +struct clk_tegra { > + /* node for master clocks list */ > + struct list_head node; /* node for list of all clocks */ > + struct clk_lookup lookup; > + struct clk_hw hw; > + > + bool set; > + unsigned long fixed_rate; > + unsigned long max_rate; > + unsigned long min_rate; > + u32 flags; > + const char *name; > + > + enum clk_state state; > + u32 div; > + u32 mul; > + > + u32 reg; > + u32 reg_shift; > + > + struct list_head shared_bus_list; > + > + union { > + struct { > + unsigned int clk_num; > + } periph; > + struct { > + unsigned long input_min; > + unsigned long input_max; > + unsigned long cf_min; > + unsigned long cf_max; > + unsigned long vco_min; > + unsigned long vco_max; > + const struct clk_pll_freq_table *freq_table; > + int lock_delay; > + unsigned long fixed_rate; > + } pll; > + struct { > + u32 sel; > + u32 reg_mask; > + } mux; > + struct { > + struct clk *main; > + struct clk *backup; > + } cpu; > + struct { > + struct list_head node; > + bool enabled; > + unsigned long rate; > + } shared_bus_user; > + } u; > + > + void (*reset)(struct clk_hw *, bool); > + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); > +}; I know this is an initial effort but I hope in time that struct clk_tegra can be broken up into separate clk types. It would be even better if some of the Tegra clocks code be converted over to the common clk types in drivers/clk/clk-*.c Regards, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
[parent not found: <20120628182759.GA28424-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions 2012-06-28 18:28 ` Mike Turquette (?) @ 2012-06-29 8:34 ` Prashant Gaikwad -1 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-29 8:34 UTC (permalink / raw) To: Mike Turquette Cc: swarren-3lzwWm7+Weoh9ZMKESR00Q, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w, Peter De Schrijver On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: > On 20120628-16:07, Prashant Gaikwad wrote: >> Add Tegra platform specific clock structure clk_tegra and >> some helper functions for generic clock framework. >> >> struct clk_tegra is the single strcture used for all types of >> clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. >> >> Signed-off-by: Prashant Gaikwad<pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> > Hi Prashant, > > I'm happy to see Tegra getting ported over to the common clk framework. Thanks Mike!! It will help to get in-line with recent developments. > <snip> >> +void tegra_clk_add(struct clk *clk) >> +{ >> + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); >> + >> + mutex_lock(&clock_list_lock); >> + list_add(&c->node,&clocks); >> + mutex_unlock(&clock_list_lock); >> +} >> + >> +struct clk *tegra_get_clock_by_name(const char *name) >> +{ >> + struct clk_tegra *c; >> + struct clk *ret = NULL; >> + mutex_lock(&clock_list_lock); >> + list_for_each_entry(c,&clocks, node) { >> + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { >> + ret = c->hw.clk; >> + break; >> + } >> + } >> + mutex_unlock(&clock_list_lock); >> + return ret; >> +} >> + > Are you planning to continue using an internal list of struct clk_tegra? > OMAP had a similar list for the legacy clock framework but that was > since removed and now lookups are done solely through clkdev. No, will move to clkdev later. > <snip> >> +void tegra_periph_reset_deassert(struct clk *c) >> +{ >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + BUG_ON(!clk->reset); >> + clk->reset(__clk_get_hw(c), false); >> +} >> +EXPORT_SYMBOL(tegra_periph_reset_deassert); >> + >> +void tegra_periph_reset_assert(struct clk *c) >> +{ >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + BUG_ON(!clk->reset); >> + clk->reset(__clk_get_hw(c), true); >> +} >> +EXPORT_SYMBOL(tegra_periph_reset_assert); >> + >> +/* Several extended clock configuration bits (e.g., clock routing, clock >> + * phase control) are included in PLL and peripheral clock source >> + * registers. */ >> +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) >> +{ >> + int ret = 0; >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + >> + if (!clk->clk_cfg_ex) { >> + ret = -ENOSYS; >> + goto out; >> + } >> + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); >> + >> +out: >> + return ret; >> +} > We had some discussions in the past on your clock reset and external > line request operations which you've had to put into struct clk_tegra. > > Do you need to expose those ops to code in drivers/*? I consider that a > reasonable litmus test to start considering if something should be moved > into the generic clk.h api. Yes, we need these ops in drivers. Peter has sent a patch proposing to move these ops to generic clk. In addition, we also need mechanism/ops to change rate and parent from clk_ops implementation. There was some discussion but I do not know the latest status. > <snip> >> +enum clk_state { >> + UNINITIALIZED = 0, >> + ON, >> + OFF, >> +}; > How is clk_state used? Might it be helpful to you if that was in the > generic code in drivers/clk/clk.c? clk_state is used to store the clock state. I am planning to remove this since is_enabled ops should work. > <snip> >> +struct clk_tegra { >> + /* node for master clocks list */ >> + struct list_head node; /* node for list of all clocks */ >> + struct clk_lookup lookup; >> + struct clk_hw hw; >> + >> + bool set; >> + unsigned long fixed_rate; >> + unsigned long max_rate; >> + unsigned long min_rate; >> + u32 flags; >> + const char *name; >> + >> + enum clk_state state; >> + u32 div; >> + u32 mul; >> + >> + u32 reg; >> + u32 reg_shift; >> + >> + struct list_head shared_bus_list; >> + >> + union { >> + struct { >> + unsigned int clk_num; >> + } periph; >> + struct { >> + unsigned long input_min; >> + unsigned long input_max; >> + unsigned long cf_min; >> + unsigned long cf_max; >> + unsigned long vco_min; >> + unsigned long vco_max; >> + const struct clk_pll_freq_table *freq_table; >> + int lock_delay; >> + unsigned long fixed_rate; >> + } pll; >> + struct { >> + u32 sel; >> + u32 reg_mask; >> + } mux; >> + struct { >> + struct clk *main; >> + struct clk *backup; >> + } cpu; >> + struct { >> + struct list_head node; >> + bool enabled; >> + unsigned long rate; >> + } shared_bus_user; >> + } u; >> + >> + void (*reset)(struct clk_hw *, bool); >> + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); >> +}; > I know this is an initial effort but I hope in time that struct > clk_tegra can be broken up into separate clk types. It would be even > better if some of the Tegra clocks code be converted over to the common > clk types in drivers/clk/clk-*.c Yes, that is next in my action list. One approach I am working on is to model the clock as Mux -> Divider -> Gate by which we can use some of common clock types. But this will take time. > Regards, > Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-06-29 8:34 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-29 8:34 UTC (permalink / raw) To: linux-arm-kernel On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: > On 20120628-16:07, Prashant Gaikwad wrote: >> Add Tegra platform specific clock structure clk_tegra and >> some helper functions for generic clock framework. >> >> struct clk_tegra is the single strcture used for all types of >> clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. >> >> Signed-off-by: Prashant Gaikwad<pgaikwad@nvidia.com> > Hi Prashant, > > I'm happy to see Tegra getting ported over to the common clk framework. Thanks Mike!! It will help to get in-line with recent developments. > <snip> >> +void tegra_clk_add(struct clk *clk) >> +{ >> + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); >> + >> + mutex_lock(&clock_list_lock); >> + list_add(&c->node,&clocks); >> + mutex_unlock(&clock_list_lock); >> +} >> + >> +struct clk *tegra_get_clock_by_name(const char *name) >> +{ >> + struct clk_tegra *c; >> + struct clk *ret = NULL; >> + mutex_lock(&clock_list_lock); >> + list_for_each_entry(c,&clocks, node) { >> + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { >> + ret = c->hw.clk; >> + break; >> + } >> + } >> + mutex_unlock(&clock_list_lock); >> + return ret; >> +} >> + > Are you planning to continue using an internal list of struct clk_tegra? > OMAP had a similar list for the legacy clock framework but that was > since removed and now lookups are done solely through clkdev. No, will move to clkdev later. > <snip> >> +void tegra_periph_reset_deassert(struct clk *c) >> +{ >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + BUG_ON(!clk->reset); >> + clk->reset(__clk_get_hw(c), false); >> +} >> +EXPORT_SYMBOL(tegra_periph_reset_deassert); >> + >> +void tegra_periph_reset_assert(struct clk *c) >> +{ >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + BUG_ON(!clk->reset); >> + clk->reset(__clk_get_hw(c), true); >> +} >> +EXPORT_SYMBOL(tegra_periph_reset_assert); >> + >> +/* Several extended clock configuration bits (e.g., clock routing, clock >> + * phase control) are included in PLL and peripheral clock source >> + * registers. */ >> +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) >> +{ >> + int ret = 0; >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + >> + if (!clk->clk_cfg_ex) { >> + ret = -ENOSYS; >> + goto out; >> + } >> + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); >> + >> +out: >> + return ret; >> +} > We had some discussions in the past on your clock reset and external > line request operations which you've had to put into struct clk_tegra. > > Do you need to expose those ops to code in drivers/*? I consider that a > reasonable litmus test to start considering if something should be moved > into the generic clk.h api. Yes, we need these ops in drivers. Peter has sent a patch proposing to move these ops to generic clk. In addition, we also need mechanism/ops to change rate and parent from clk_ops implementation. There was some discussion but I do not know the latest status. > <snip> >> +enum clk_state { >> + UNINITIALIZED = 0, >> + ON, >> + OFF, >> +}; > How is clk_state used? Might it be helpful to you if that was in the > generic code in drivers/clk/clk.c? clk_state is used to store the clock state. I am planning to remove this since is_enabled ops should work. > <snip> >> +struct clk_tegra { >> + /* node for master clocks list */ >> + struct list_head node; /* node for list of all clocks */ >> + struct clk_lookup lookup; >> + struct clk_hw hw; >> + >> + bool set; >> + unsigned long fixed_rate; >> + unsigned long max_rate; >> + unsigned long min_rate; >> + u32 flags; >> + const char *name; >> + >> + enum clk_state state; >> + u32 div; >> + u32 mul; >> + >> + u32 reg; >> + u32 reg_shift; >> + >> + struct list_head shared_bus_list; >> + >> + union { >> + struct { >> + unsigned int clk_num; >> + } periph; >> + struct { >> + unsigned long input_min; >> + unsigned long input_max; >> + unsigned long cf_min; >> + unsigned long cf_max; >> + unsigned long vco_min; >> + unsigned long vco_max; >> + const struct clk_pll_freq_table *freq_table; >> + int lock_delay; >> + unsigned long fixed_rate; >> + } pll; >> + struct { >> + u32 sel; >> + u32 reg_mask; >> + } mux; >> + struct { >> + struct clk *main; >> + struct clk *backup; >> + } cpu; >> + struct { >> + struct list_head node; >> + bool enabled; >> + unsigned long rate; >> + } shared_bus_user; >> + } u; >> + >> + void (*reset)(struct clk_hw *, bool); >> + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); >> +}; > I know this is an initial effort but I hope in time that struct > clk_tegra can be broken up into separate clk types. It would be even > better if some of the Tegra clocks code be converted over to the common > clk types in drivers/clk/clk-*.c Yes, that is next in my action list. One approach I am working on is to model the clock as Mux -> Divider -> Gate by which we can use some of common clock types. But this will take time. > Regards, > Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-06-29 8:34 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-29 8:34 UTC (permalink / raw) To: Mike Turquette Cc: swarren, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Peter De Schrijver On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: > On 20120628-16:07, Prashant Gaikwad wrote: >> Add Tegra platform specific clock structure clk_tegra and >> some helper functions for generic clock framework. >> >> struct clk_tegra is the single strcture used for all types of >> clocks. reset and cfg_ex ops moved to clk_tegra from clk_ops. >> >> Signed-off-by: Prashant Gaikwad<pgaikwad@nvidia.com> > Hi Prashant, > > I'm happy to see Tegra getting ported over to the common clk framework. Thanks Mike!! It will help to get in-line with recent developments. > <snip> >> +void tegra_clk_add(struct clk *clk) >> +{ >> + struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); >> + >> + mutex_lock(&clock_list_lock); >> + list_add(&c->node,&clocks); >> + mutex_unlock(&clock_list_lock); >> +} >> + >> +struct clk *tegra_get_clock_by_name(const char *name) >> +{ >> + struct clk_tegra *c; >> + struct clk *ret = NULL; >> + mutex_lock(&clock_list_lock); >> + list_for_each_entry(c,&clocks, node) { >> + if (strcmp(__clk_get_name(c->hw.clk), name) == 0) { >> + ret = c->hw.clk; >> + break; >> + } >> + } >> + mutex_unlock(&clock_list_lock); >> + return ret; >> +} >> + > Are you planning to continue using an internal list of struct clk_tegra? > OMAP had a similar list for the legacy clock framework but that was > since removed and now lookups are done solely through clkdev. No, will move to clkdev later. > <snip> >> +void tegra_periph_reset_deassert(struct clk *c) >> +{ >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + BUG_ON(!clk->reset); >> + clk->reset(__clk_get_hw(c), false); >> +} >> +EXPORT_SYMBOL(tegra_periph_reset_deassert); >> + >> +void tegra_periph_reset_assert(struct clk *c) >> +{ >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + BUG_ON(!clk->reset); >> + clk->reset(__clk_get_hw(c), true); >> +} >> +EXPORT_SYMBOL(tegra_periph_reset_assert); >> + >> +/* Several extended clock configuration bits (e.g., clock routing, clock >> + * phase control) are included in PLL and peripheral clock source >> + * registers. */ >> +int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) >> +{ >> + int ret = 0; >> + struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); >> + >> + if (!clk->clk_cfg_ex) { >> + ret = -ENOSYS; >> + goto out; >> + } >> + ret = clk->clk_cfg_ex(__clk_get_hw(c), p, setting); >> + >> +out: >> + return ret; >> +} > We had some discussions in the past on your clock reset and external > line request operations which you've had to put into struct clk_tegra. > > Do you need to expose those ops to code in drivers/*? I consider that a > reasonable litmus test to start considering if something should be moved > into the generic clk.h api. Yes, we need these ops in drivers. Peter has sent a patch proposing to move these ops to generic clk. In addition, we also need mechanism/ops to change rate and parent from clk_ops implementation. There was some discussion but I do not know the latest status. > <snip> >> +enum clk_state { >> + UNINITIALIZED = 0, >> + ON, >> + OFF, >> +}; > How is clk_state used? Might it be helpful to you if that was in the > generic code in drivers/clk/clk.c? clk_state is used to store the clock state. I am planning to remove this since is_enabled ops should work. > <snip> >> +struct clk_tegra { >> + /* node for master clocks list */ >> + struct list_head node; /* node for list of all clocks */ >> + struct clk_lookup lookup; >> + struct clk_hw hw; >> + >> + bool set; >> + unsigned long fixed_rate; >> + unsigned long max_rate; >> + unsigned long min_rate; >> + u32 flags; >> + const char *name; >> + >> + enum clk_state state; >> + u32 div; >> + u32 mul; >> + >> + u32 reg; >> + u32 reg_shift; >> + >> + struct list_head shared_bus_list; >> + >> + union { >> + struct { >> + unsigned int clk_num; >> + } periph; >> + struct { >> + unsigned long input_min; >> + unsigned long input_max; >> + unsigned long cf_min; >> + unsigned long cf_max; >> + unsigned long vco_min; >> + unsigned long vco_max; >> + const struct clk_pll_freq_table *freq_table; >> + int lock_delay; >> + unsigned long fixed_rate; >> + } pll; >> + struct { >> + u32 sel; >> + u32 reg_mask; >> + } mux; >> + struct { >> + struct clk *main; >> + struct clk *backup; >> + } cpu; >> + struct { >> + struct list_head node; >> + bool enabled; >> + unsigned long rate; >> + } shared_bus_user; >> + } u; >> + >> + void (*reset)(struct clk_hw *, bool); >> + int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); >> +}; > I know this is an initial effort but I hope in time that struct > clk_tegra can be broken up into separate clk types. It would be even > better if some of the Tegra clocks code be converted over to the common > clk types in drivers/clk/clk-*.c Yes, that is next in my action list. One approach I am working on is to model the clock as Mux -> Divider -> Gate by which we can use some of common clock types. But this will take time. > Regards, > Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
[parent not found: <4FED688E.9090408-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>]
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions 2012-06-29 8:34 ` Prashant Gaikwad (?) @ 2012-07-03 0:09 ` Turquette, Mike -1 siblings, 0 replies; 57+ messages in thread From: Turquette, Mike @ 2012-07-03 0:09 UTC (permalink / raw) To: Prashant Gaikwad Cc: swarren-3lzwWm7+Weoh9ZMKESR00Q, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w, Peter De Schrijver On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> wrote: > On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >> We had some discussions in the past on your clock reset and external >> line request operations which you've had to put into struct clk_tegra. >> >> Do you need to expose those ops to code in drivers/*? I consider that a >> reasonable litmus test to start considering if something should be moved >> into the generic clk.h api. > > > Yes, we need these ops in drivers. Peter has sent a patch proposing to move > these ops to generic clk. > > In addition, we also need mechanism/ops to change rate and parent from > clk_ops implementation. There was some discussion but I do not know the > latest status. > Hi Prashant, OK, that is good to know. I haven't forgotten about this topic. I'm still trying to think of the best way to expose less-common operations to drivers... Based on Stephen's feedback in patch 0 I'll be waiting for another version of this series before taking into clk-next. Thanks, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-07-03 0:09 ` Turquette, Mike 0 siblings, 0 replies; 57+ messages in thread From: Turquette, Mike @ 2012-07-03 0:09 UTC (permalink / raw) To: linux-arm-kernel On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad@nvidia.com> wrote: > On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >> We had some discussions in the past on your clock reset and external >> line request operations which you've had to put into struct clk_tegra. >> >> Do you need to expose those ops to code in drivers/*? ?I consider that a >> reasonable litmus test to start considering if something should be moved >> into the generic clk.h api. > > > Yes, we need these ops in drivers. Peter has sent a patch proposing to move > these ops to generic clk. > > In addition, we also need mechanism/ops to change rate and parent from > clk_ops implementation. There was some discussion but I do not know the > latest status. > Hi Prashant, OK, that is good to know. I haven't forgotten about this topic. I'm still trying to think of the best way to expose less-common operations to drivers... Based on Stephen's feedback in patch 0 I'll be waiting for another version of this series before taking into clk-next. Thanks, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-07-03 0:09 ` Turquette, Mike 0 siblings, 0 replies; 57+ messages in thread From: Turquette, Mike @ 2012-07-03 0:09 UTC (permalink / raw) To: Prashant Gaikwad Cc: swarren, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Peter De Schrijver On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad@nvidia.com> wrote: > On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >> We had some discussions in the past on your clock reset and external >> line request operations which you've had to put into struct clk_tegra. >> >> Do you need to expose those ops to code in drivers/*? I consider that a >> reasonable litmus test to start considering if something should be moved >> into the generic clk.h api. > > > Yes, we need these ops in drivers. Peter has sent a patch proposing to move > these ops to generic clk. > > In addition, we also need mechanism/ops to change rate and parent from > clk_ops implementation. There was some discussion but I do not know the > latest status. > Hi Prashant, OK, that is good to know. I haven't forgotten about this topic. I'm still trying to think of the best way to expose less-common operations to drivers... Based on Stephen's feedback in patch 0 I'll be waiting for another version of this series before taking into clk-next. Thanks, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
[parent not found: <CAJOA=zMt-HWKrgQ-pD-wH0s_Nao5sJA13+ESJSBkHQ_3OBurtg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>]
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions 2012-07-03 0:09 ` Turquette, Mike (?) @ 2012-07-03 1:31 ` Stephen Warren -1 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-07-03 1:31 UTC (permalink / raw) To: Turquette, Mike Cc: Prashant Gaikwad, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w, Peter De Schrijver On 07/02/2012 06:09 PM, Turquette, Mike wrote: > On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> wrote: >> On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >>> We had some discussions in the past on your clock reset and external >>> line request operations which you've had to put into struct clk_tegra. >>> >>> Do you need to expose those ops to code in drivers/*? I consider that a >>> reasonable litmus test to start considering if something should be moved >>> into the generic clk.h api. >> >> >> Yes, we need these ops in drivers. Peter has sent a patch proposing to move >> these ops to generic clk. >> >> In addition, we also need mechanism/ops to change rate and parent from >> clk_ops implementation. There was some discussion but I do not know the >> latest status. >> > > Hi Prashant, > > OK, that is good to know. I haven't forgotten about this topic. I'm > still trying to think of the best way to expose less-common operations > to drivers... > > Based on Stephen's feedback in patch 0 I'll be waiting for another > version of this series before taking into clk-next. Oh, does this series depend on stuff in clk-next? I was intending to take it through the Tegra tree, since it definitely depends on (in complex ways through context if nothing else due to to large split/rename patches) a bunch of commits in Tegra's for-3.6/common-clk branch. ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-07-03 1:31 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-07-03 1:31 UTC (permalink / raw) To: linux-arm-kernel On 07/02/2012 06:09 PM, Turquette, Mike wrote: > On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad@nvidia.com> wrote: >> On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >>> We had some discussions in the past on your clock reset and external >>> line request operations which you've had to put into struct clk_tegra. >>> >>> Do you need to expose those ops to code in drivers/*? I consider that a >>> reasonable litmus test to start considering if something should be moved >>> into the generic clk.h api. >> >> >> Yes, we need these ops in drivers. Peter has sent a patch proposing to move >> these ops to generic clk. >> >> In addition, we also need mechanism/ops to change rate and parent from >> clk_ops implementation. There was some discussion but I do not know the >> latest status. >> > > Hi Prashant, > > OK, that is good to know. I haven't forgotten about this topic. I'm > still trying to think of the best way to expose less-common operations > to drivers... > > Based on Stephen's feedback in patch 0 I'll be waiting for another > version of this series before taking into clk-next. Oh, does this series depend on stuff in clk-next? I was intending to take it through the Tegra tree, since it definitely depends on (in complex ways through context if nothing else due to to large split/rename patches) a bunch of commits in Tegra's for-3.6/common-clk branch. ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-07-03 1:31 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-07-03 1:31 UTC (permalink / raw) To: Turquette, Mike Cc: Prashant Gaikwad, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Peter De Schrijver On 07/02/2012 06:09 PM, Turquette, Mike wrote: > On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad@nvidia.com> wrote: >> On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >>> We had some discussions in the past on your clock reset and external >>> line request operations which you've had to put into struct clk_tegra. >>> >>> Do you need to expose those ops to code in drivers/*? I consider that a >>> reasonable litmus test to start considering if something should be moved >>> into the generic clk.h api. >> >> >> Yes, we need these ops in drivers. Peter has sent a patch proposing to move >> these ops to generic clk. >> >> In addition, we also need mechanism/ops to change rate and parent from >> clk_ops implementation. There was some discussion but I do not know the >> latest status. >> > > Hi Prashant, > > OK, that is good to know. I haven't forgotten about this topic. I'm > still trying to think of the best way to expose less-common operations > to drivers... > > Based on Stephen's feedback in patch 0 I'll be waiting for another > version of this series before taking into clk-next. Oh, does this series depend on stuff in clk-next? I was intending to take it through the Tegra tree, since it definitely depends on (in complex ways through context if nothing else due to to large split/rename patches) a bunch of commits in Tegra's for-3.6/common-clk branch. ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions 2012-07-03 1:31 ` Stephen Warren (?) @ 2012-07-03 1:49 ` Turquette, Mike -1 siblings, 0 replies; 57+ messages in thread From: Turquette, Mike @ 2012-07-03 1:49 UTC (permalink / raw) To: Stephen Warren Cc: Prashant Gaikwad, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Peter De Schrijver On Mon, Jul 2, 2012 at 6:31 PM, Stephen Warren <swarren@wwwdotorg.org> wrote: > On 07/02/2012 06:09 PM, Turquette, Mike wrote: >> On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad@nvidia.com> wrote: >>> On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >>>> We had some discussions in the past on your clock reset and external >>>> line request operations which you've had to put into struct clk_tegra. >>>> >>>> Do you need to expose those ops to code in drivers/*? I consider that a >>>> reasonable litmus test to start considering if something should be moved >>>> into the generic clk.h api. >>> >>> >>> Yes, we need these ops in drivers. Peter has sent a patch proposing to move >>> these ops to generic clk. >>> >>> In addition, we also need mechanism/ops to change rate and parent from >>> clk_ops implementation. There was some discussion but I do not know the >>> latest status. >>> >> >> Hi Prashant, >> >> OK, that is good to know. I haven't forgotten about this topic. I'm >> still trying to think of the best way to expose less-common operations >> to drivers... >> >> Based on Stephen's feedback in patch 0 I'll be waiting for another >> version of this series before taking into clk-next. > > Oh, does this series depend on stuff in clk-next? I was intending to > take it through the Tegra tree, since it definitely depends on (in > complex ways through context if nothing else due to to large > split/rename patches) a bunch of commits in Tegra's for-3.6/common-clk > branch. Oops. I just completely zoned out and went into "clk-next maintenance mode". Yeah you had already mentioned that this was for the Tegra tree. Nothing to see here, move along! Regards, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-07-03 1:49 ` Turquette, Mike 0 siblings, 0 replies; 57+ messages in thread From: Turquette, Mike @ 2012-07-03 1:49 UTC (permalink / raw) To: linux-arm-kernel On Mon, Jul 2, 2012 at 6:31 PM, Stephen Warren <swarren@wwwdotorg.org> wrote: > On 07/02/2012 06:09 PM, Turquette, Mike wrote: >> On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad@nvidia.com> wrote: >>> On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >>>> We had some discussions in the past on your clock reset and external >>>> line request operations which you've had to put into struct clk_tegra. >>>> >>>> Do you need to expose those ops to code in drivers/*? ?I consider that a >>>> reasonable litmus test to start considering if something should be moved >>>> into the generic clk.h api. >>> >>> >>> Yes, we need these ops in drivers. Peter has sent a patch proposing to move >>> these ops to generic clk. >>> >>> In addition, we also need mechanism/ops to change rate and parent from >>> clk_ops implementation. There was some discussion but I do not know the >>> latest status. >>> >> >> Hi Prashant, >> >> OK, that is good to know. ?I haven't forgotten about this topic. ?I'm >> still trying to think of the best way to expose less-common operations >> to drivers... >> >> Based on Stephen's feedback in patch 0 I'll be waiting for another >> version of this series before taking into clk-next. > > Oh, does this series depend on stuff in clk-next? I was intending to > take it through the Tegra tree, since it definitely depends on (in > complex ways through context if nothing else due to to large > split/rename patches) a bunch of commits in Tegra's for-3.6/common-clk > branch. Oops. I just completely zoned out and went into "clk-next maintenance mode". Yeah you had already mentioned that this was for the Tegra tree. Nothing to see here, move along! Regards, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions @ 2012-07-03 1:49 ` Turquette, Mike 0 siblings, 0 replies; 57+ messages in thread From: Turquette, Mike @ 2012-07-03 1:49 UTC (permalink / raw) To: Stephen Warren Cc: Prashant Gaikwad, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Peter De Schrijver On Mon, Jul 2, 2012 at 6:31 PM, Stephen Warren <swarren@wwwdotorg.org> wrote: > On 07/02/2012 06:09 PM, Turquette, Mike wrote: >> On Fri, Jun 29, 2012 at 1:34 AM, Prashant Gaikwad <pgaikwad@nvidia.com> wrote: >>> On Thursday 28 June 2012 11:58 PM, Mike Turquette wrote: >>>> We had some discussions in the past on your clock reset and external >>>> line request operations which you've had to put into struct clk_tegra. >>>> >>>> Do you need to expose those ops to code in drivers/*? I consider that a >>>> reasonable litmus test to start considering if something should be moved >>>> into the generic clk.h api. >>> >>> >>> Yes, we need these ops in drivers. Peter has sent a patch proposing to move >>> these ops to generic clk. >>> >>> In addition, we also need mechanism/ops to change rate and parent from >>> clk_ops implementation. There was some discussion but I do not know the >>> latest status. >>> >> >> Hi Prashant, >> >> OK, that is good to know. I haven't forgotten about this topic. I'm >> still trying to think of the best way to expose less-common operations >> to drivers... >> >> Based on Stephen's feedback in patch 0 I'll be waiting for another >> version of this series before taking into clk-next. > > Oh, does this series depend on stuff in clk-next? I was intending to > take it through the Tegra tree, since it definitely depends on (in > complex ways through context if nothing else due to to large > split/rename patches) a bunch of commits in Tegra's for-3.6/common-clk > branch. Oops. I just completely zoned out and went into "clk-next maintenance mode". Yeah you had already mentioned that this was for the Tegra tree. Nothing to see here, move along! Regards, Mike ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 10:37 ` Prashant Gaikwad -1 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad This patch converts tegra clock code to generic clock framework in following way: - Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c) - Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk. - Initialize all clock data statically. (tegraXX_clocks_data.c) Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions. Removed init function. It's functionality is splitted into recalc_rate and is_enabled. Static initialization is used since slab is not up in .init_early and clock is needed to be initialized before clockevent/clocksource initialization. Macros redefined for clk_tegra. Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This is to move quickly to generic common clock framework so that other dependent features will not be blocked (such as DT binding). Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20 and Tegra30. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/Kconfig | 1 + arch/arm/mach-tegra/clock.h | 1 + arch/arm/mach-tegra/tegra20_clocks.c | 986 +++++++++-------- arch/arm/mach-tegra/tegra20_clocks.h | 4 + arch/arm/mach-tegra/tegra20_clocks_data.c | 1318 +++++++++++++---------- arch/arm/mach-tegra/tegra30_clocks.c | 1331 +++++++++++++---------- arch/arm/mach-tegra/tegra30_clocks.h | 14 +- arch/arm/mach-tegra/tegra30_clocks_data.c | 1688 ++++++++++++++++------------- 8 files changed, 3029 insertions(+), 2314 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 35ef64e..0c46390 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -647,6 +647,7 @@ config ARCH_TEGRA select NEED_MACH_IO_H if PCI select ARCH_HAS_CPUFREQ select USE_OF + select COMMON_CLK help This enables support for NVIDIA Tegra based systems (Tegra APX, Tegra 6xx and Tegra 2 series). diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index f4d32ba..be69ae1 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -233,6 +233,7 @@ int clk_set_rate_locked(struct clk *c, unsigned long rate); int clk_reparent(struct clk *c, struct clk *parent); #endif /* !CONFIG_COMMON_CLK */ +void tegra_clk_add(struct clk *c); void tegra2_init_clocks(void); void tegra30_init_clocks(void); struct clk *tegra_get_clock_by_name(const char *name); diff --git a/arch/arm/mach-tegra/tegra20_clocks.c b/arch/arm/mach-tegra/tegra20_clocks.c index cf7782f..cd06b7c 100644 --- a/arch/arm/mach-tegra/tegra20_clocks.c +++ b/arch/arm/mach-tegra/tegra20_clocks.c @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/tegra2_clocks.c * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -96,7 +97,7 @@ #define PLL_OUT_CLKEN (1<<1) #define PLL_OUT_RESET_DISABLE (1<<0) -#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) +#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) #define PLL_MISC_DCCON_SHIFT 20 #define PLL_MISC_CPCON_SHIFT 8 @@ -189,7 +190,8 @@ static unsigned long clk_measure_input_freq(void) } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) { return 26000000; } else { - pr_err("%s: Unexpected clock autodetect value %d", __func__, clock_autodetect); + pr_err("%s: Unexpected clock autodetect value %d", + __func__, clock_autodetect); BUG(); return 0; } @@ -228,12 +230,21 @@ static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate) } /* clk_m functions */ -static unsigned long tegra2_clk_m_autodetect_rate(struct clk *c) +static unsigned long tegra2_clk_m_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - u32 auto_clock_control = clk_readl(OSC_CTRL) & ~OSC_CTRL_OSC_FREQ_MASK; + if (!to_clk_tegra(hw)->fixed_rate) + to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq(); + return to_clk_tegra(hw)->fixed_rate; +} + +static void tegra2_clk_m_init(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 osc_ctrl = clk_readl(OSC_CTRL); + u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK; - c->rate = clk_measure_input_freq(); - switch (c->rate) { + switch (c->fixed_rate) { case 12000000: auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ; break; @@ -247,35 +258,14 @@ static unsigned long tegra2_clk_m_autodetect_rate(struct clk *c) auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ; break; default: - pr_err("%s: Unexpected clock rate %ld", __func__, c->rate); BUG(); } clk_writel(auto_clock_control, OSC_CTRL); - return c->rate; -} - -static void tegra2_clk_m_init(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - tegra2_clk_m_autodetect_rate(c); -} - -static int tegra2_clk_m_enable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - return 0; -} - -static void tegra2_clk_m_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - BUG(); } struct clk_ops tegra_clk_m_ops = { .init = tegra2_clk_m_init, - .enable = tegra2_clk_m_enable, - .disable = tegra2_clk_m_disable, + .recalc_rate = tegra2_clk_m_recalc_rate, }; /* super clock functions */ @@ -284,161 +274,108 @@ struct clk_ops tegra_clk_m_ops = { * can't lower the voltage when using the clock skip, but we can if we * lower the PLL frequency. */ -static void tegra2_super_clk_init(struct clk *c) +static int tegra2_super_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - int source; - int shift; - const struct clk_mux_sel *sel; + val = clk_readl(c->reg + SUPER_CLK_MUX); - c->state = ON; BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); - shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? - SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - source = (val >> shift) & SUPER_SOURCE_MASK; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->value == source) - break; - } - BUG_ON(sel->input == NULL); - c->parent = sel->input; + c->state = ON; + return c->state; } -static int tegra2_super_clk_enable(struct clk *c) +static int tegra2_super_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); clk_writel(0, c->reg + SUPER_CLK_DIVIDER); return 0; } -static void tegra2_super_clk_disable(struct clk *c) +static void tegra2_super_clk_disable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); /* oops - don't disable the CPU clock! */ BUG(); } -static int tegra2_super_clk_set_parent(struct clk *c, struct clk *p) +static u8 tegra2_super_clk_get_parent(struct clk_hw *hw) { - u32 val; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); + int val = clk_readl(c->reg + SUPER_CLK_MUX); + int source; int shift; - val = clk_readl(c->reg + SUPER_CLK_MUX); BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val &= ~(SUPER_SOURCE_MASK << shift); - val |= sel->value << shift; + source = (val >> shift) & SUPER_SOURCE_MASK; + return source; +} - if (c->refcnt) - clk_enable(p); +static int tegra2_super_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg + SUPER_CLK_MUX); + int shift; - clk_writel(val, c->reg); + BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && + ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); + shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? + SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; + val &= ~(SUPER_SOURCE_MASK << shift); + val |= index << shift; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); - clk_reparent(c, p); - return 0; - } - } - return -EINVAL; + return 0; } -/* - * Super clocks have "clock skippers" instead of dividers. Dividing using - * a clock skipper does not allow the voltage to be scaled down, so instead - * adjust the rate of the parent clock. This requires that the parent of a - * super clock have no other children, otherwise the rate will change - * underneath the other children. - */ -static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate) +/* FIX ME: Need to switch parents to change the source PLL rate */ +static unsigned long tegra2_super_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - return clk_set_rate(c->parent, rate); + return prate; } -struct clk_ops tegra_super_ops = { - .init = tegra2_super_clk_init, - .enable = tegra2_super_clk_enable, - .disable = tegra2_super_clk_disable, - .set_parent = tegra2_super_clk_set_parent, - .set_rate = tegra2_super_clk_set_rate, -}; - -/* virtual cpu clock functions */ -/* some clocks can not be stopped (cpu, memory bus) while the SoC is running. - To change the frequency of these clocks, the parent pll may need to be - reprogrammed, so the clock must be moved off the pll, the pll reprogrammed, - and then the clock moved back to the pll. To hide this sequence, a virtual - clock handles it. - */ -static void tegra2_cpu_clk_init(struct clk *c) +static long tegra2_super_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + return *prate; } -static int tegra2_cpu_clk_enable(struct clk *c) +static int tegra2_super_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { return 0; } -static void tegra2_cpu_clk_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - - /* oops - don't disable the CPU clock! */ - BUG(); -} +struct clk_ops tegra_super_ops = { + .is_enabled = tegra2_super_clk_is_enabled, + .enable = tegra2_super_clk_enable, + .disable = tegra2_super_clk_disable, + .set_parent = tegra2_super_clk_set_parent, + .get_parent = tegra2_super_clk_get_parent, + .set_rate = tegra2_super_clk_set_rate, + .round_rate = tegra2_super_clk_round_rate, + .recalc_rate = tegra2_super_clk_recalc_rate, +}; -static int tegra2_cpu_clk_set_rate(struct clk *c, unsigned long rate) +static u8 tegra2_cop_clk_get_parent(struct clk_hw *hw) { - int ret; - /* - * Take an extra reference to the main pll so it doesn't turn - * off when we move the cpu off of it - */ - clk_enable(c->u.cpu.main); - - ret = clk_set_parent(c->parent, c->u.cpu.backup); - if (ret) { - pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.backup->name); - goto out; - } - - if (rate == clk_get_rate(c->u.cpu.backup)) - goto out; - - ret = clk_set_rate(c->u.cpu.main, rate); - if (ret) { - pr_err("Failed to change cpu pll to %lu\n", rate); - goto out; - } - - ret = clk_set_parent(c->parent, c->u.cpu.main); - if (ret) { - pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.main->name); - goto out; - } - -out: - clk_disable(c->u.cpu.main); - return ret; + return 0; } -struct clk_ops tegra_cpu_ops = { - .init = tegra2_cpu_clk_init, - .enable = tegra2_cpu_clk_enable, - .disable = tegra2_cpu_clk_disable, - .set_rate = tegra2_cpu_clk_set_rate, +struct clk_ops tegra_cop_ops = { + .get_parent = tegra2_cop_clk_get_parent, }; /* virtual cop clock functions. Used to acquire the fake 'cop' clock to * reset the COP block (i.e. AVP) */ -static void tegra2_cop_clk_reset(struct clk *c, bool assert) +void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert) { unsigned long reg = assert ? RST_DEVICES_SET : RST_DEVICES_CLR; @@ -446,23 +383,21 @@ static void tegra2_cop_clk_reset(struct clk *c, bool assert) clk_writel(1 << 1, reg); } -struct clk_ops tegra_cop_ops = { - .reset = tegra2_cop_clk_reset, -}; - /* bus clock functions */ -static void tegra2_bus_clk_init(struct clk *c) +static int tegra2_bus_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); + c->state = ((val >> c->reg_shift) & BUS_CLK_DISABLE) ? OFF : ON; - c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1; - c->mul = 1; + return c->state; } -static int tegra2_bus_clk_enable(struct clk *c) +static int tegra2_bus_clk_enable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 val; spin_lock_irqsave(&clock_register_lock, flags); @@ -475,10 +410,11 @@ static int tegra2_bus_clk_enable(struct clk *c) return 0; } -static void tegra2_bus_clk_disable(struct clk *c) +static void tegra2_bus_clk_disable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 val; spin_lock_irqsave(&clock_register_lock, flags); @@ -489,12 +425,31 @@ static void tegra2_bus_clk_disable(struct clk *c) spin_unlock_irqrestore(&clock_register_lock, flags); } -static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra2_bus_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - u32 val; - unsigned long parent_rate = clk_get_rate(c->parent); - unsigned long flags; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + u64 rate = prate; + + c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1; + c->mul = 1; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; +} + +static int tegra2_bus_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); int ret = -EINVAL; + unsigned long flags; + u32 val; int i; spin_lock_irqsave(&clock_register_lock, flags); @@ -517,21 +472,58 @@ static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) return ret; } +static long tegra2_bus_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long parent_rate = *prate; + s64 divider; + + if (rate >= parent_rate) + return rate; + + divider = parent_rate; + divider += rate - 1; + do_div(divider, rate); + + divider -= 1; + if (divider < 0) + return divider; + + if (divider > 4) + divider = 4; + + do_div(parent_rate, divider); + + return parent_rate; +} + struct clk_ops tegra_bus_ops = { - .init = tegra2_bus_clk_init, + .is_enabled = tegra2_bus_clk_is_enabled, .enable = tegra2_bus_clk_enable, .disable = tegra2_bus_clk_disable, .set_rate = tegra2_bus_clk_set_rate, + .round_rate = tegra2_bus_clk_round_rate, + .recalc_rate = tegra2_bus_clk_recalc_rate, }; /* Blink output functions */ - -static void tegra2_blink_clk_init(struct clk *c) +static int tegra2_blink_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; val = pmc_readl(PMC_CTRL); c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; + return c->state; +} + +static unsigned long tegra2_blink_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + u32 val; + c->mul = 1; val = pmc_readl(c->reg); @@ -548,9 +540,16 @@ static void tegra2_blink_clk_init(struct clk *c) } else { c->div = 1; } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } -static int tegra2_blink_clk_enable(struct clk *c) +static int tegra2_blink_clk_enable(struct clk_hw *hw) { u32 val; @@ -563,7 +562,7 @@ static int tegra2_blink_clk_enable(struct clk *c) return 0; } -static void tegra2_blink_clk_disable(struct clk *c) +static void tegra2_blink_clk_disable(struct clk_hw *hw) { u32 val; @@ -574,9 +573,11 @@ static void tegra2_blink_clk_disable(struct clk *c) pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); } -static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); + if (rate >= parent_rate) { c->div = 1; pmc_writel(0, c->reg); @@ -599,31 +600,74 @@ static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } +static long tegra2_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + int div; + int mul; + long round_rate = *prate; + + mul = 1; + + if (rate >= *prate) { + div = 1; + } else { + div = DIV_ROUND_UP(*prate / 8, rate); + div *= 8; + } + + round_rate *= mul; + round_rate += div - 1; + do_div(round_rate, div); + + return round_rate; +} + struct clk_ops tegra_blink_clk_ops = { - .init = &tegra2_blink_clk_init, + .is_enabled = &tegra2_blink_clk_is_enabled, .enable = &tegra2_blink_clk_enable, .disable = &tegra2_blink_clk_disable, .set_rate = &tegra2_blink_clk_set_rate, + .round_rate = &tegra2_blink_clk_round_rate, + .recalc_rate = &tegra2_blink_clk_recalc_rate, }; /* PLL Functions */ -static int tegra2_pll_clk_wait_for_lock(struct clk *c) +static int tegra2_pll_clk_wait_for_lock(struct clk_tegra *c) { udelay(c->u.pll.lock_delay); - return 0; } -static void tegra2_pll_clk_init(struct clk *c) +static int tegra2_pll_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLL_BASE_ENABLE) ? ON : OFF; + return c->state; +} + +static unsigned long tegra2_pll_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg + PLL_BASE); + u64 rate = prate; if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { - pr_warning("Clock %s has unknown fixed frequency\n", c->name); - c->mul = 1; - c->div = 1; + const struct clk_pll_freq_table *sel; + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == prate && + sel->output_rate == c->u.pll.fixed_rate) { + c->mul = sel->n; + c->div = sel->m * sel->p; + break; + } + } + pr_err("Clock %s has unknown fixed frequency\n", + __clk_get_name(hw->clk)); + BUG(); } else if (val & PLL_BASE_BYPASS) { c->mul = 1; c->div = 1; @@ -635,12 +679,20 @@ static void tegra2_pll_clk_init(struct clk *c) else c->div *= (val & PLL_BASE_DIVP_MASK) ? 2 : 1; } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } -static int tegra2_pll_clk_enable(struct clk *c) +static int tegra2_pll_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg + PLL_BASE); val &= ~PLL_BASE_BYPASS; @@ -652,25 +704,38 @@ static int tegra2_pll_clk_enable(struct clk *c) return 0; } -static void tegra2_pll_clk_disable(struct clk *c) +static void tegra2_pll_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); clk_writel(val, c->reg); } -static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - u32 val; - unsigned long input_rate; + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long input_rate = parent_rate; const struct clk_pll_freq_table *sel; + u32 val; + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + if (c->flags & PLL_FIXED) { + int ret = 0; + if (rate != c->u.pll.fixed_rate) { + pr_err("%s: Can not change %s fixed rate %lu to %lu\n", + __func__, __clk_get_name(hw->clk), + c->u.pll.fixed_rate, rate); + ret = -EINVAL; + } + return ret; + } - input_rate = clk_get_rate(c->parent); for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { if (sel->input_rate == input_rate && sel->output_rate == rate) { c->mul = sel->n; @@ -701,41 +766,75 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) } if (c->state == ON) - tegra2_pll_clk_enable(c); - + tegra2_pll_clk_enable(hw); return 0; } } return -EINVAL; } +static long tegra2_pll_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + const struct clk_pll_freq_table *sel; + unsigned long input_rate = *prate; + unsigned long output_rate = *prate; + int mul; + int div; + + if (c->flags & PLL_FIXED) + return c->u.pll.fixed_rate; + + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) + if (sel->input_rate == input_rate && sel->output_rate == rate) { + mul = sel->n; + div = sel->m * sel->p; + } + + if (sel->input_rate == 0) + return -EINVAL; + + output_rate *= mul; + output_rate += div - 1; /* round up */ + do_div(output_rate, div); + + return output_rate; +} + struct clk_ops tegra_pll_ops = { - .init = tegra2_pll_clk_init, + .is_enabled = tegra2_pll_clk_is_enabled, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; -static void tegra2_pllx_clk_init(struct clk *c) +static void tegra2_pllx_clk_init(struct clk_hw *hw) { - tegra2_pll_clk_init(c); + struct clk_tegra *c = to_clk_tegra(hw); if (tegra_sku_id == 7) c->max_rate = 750000000; } struct clk_ops tegra_pllx_ops = { - .init = tegra2_pllx_clk_init, - .enable = tegra2_pll_clk_enable, - .disable = tegra2_pll_clk_disable, - .set_rate = tegra2_pll_clk_set_rate, + .init = tegra2_pllx_clk_init, + .is_enabled = tegra2_pll_clk_is_enabled, + .enable = tegra2_pll_clk_enable, + .disable = tegra2_pll_clk_disable, + .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; -static int tegra2_plle_clk_enable(struct clk *c) +static int tegra2_plle_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); mdelay(1); @@ -751,20 +850,35 @@ static int tegra2_plle_clk_enable(struct clk *c) } struct clk_ops tegra_plle_ops = { - .init = tegra2_pll_clk_init, - .enable = tegra2_plle_clk_enable, - .set_rate = tegra2_pll_clk_set_rate, + .is_enabled = tegra2_pll_clk_is_enabled, + .enable = tegra2_plle_clk_enable, + .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; /* Clock divider ops */ -static void tegra2_pll_div_clk_init(struct clk *c) +static int tegra2_pll_div_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); - u32 divu71; + val >>= c->reg_shift; c->state = (val & PLL_OUT_CLKEN) ? ON : OFF; if (!(val & PLL_OUT_RESET_DISABLE)) c->state = OFF; + return c->state; +} + +static unsigned long tegra2_pll_div_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + u32 val = clk_readl(c->reg); + u32 divu71; + + val >>= c->reg_shift; if (c->flags & DIV_U71) { divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; @@ -777,15 +891,23 @@ static void tegra2_pll_div_clk_init(struct clk *c) c->div = 1; c->mul = 1; } + + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + + return rate; } -static int tegra2_pll_div_clk_enable(struct clk *c) +static int tegra2_pll_div_clk_enable(struct clk_hw *hw) { - u32 val; - u32 new_val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 new_val; + u32 val; + + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); - pr_debug("%s: %s\n", __func__, c->name); if (c->flags & DIV_U71) { spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); @@ -811,13 +933,15 @@ static int tegra2_pll_div_clk_enable(struct clk *c) return -EINVAL; } -static void tegra2_pll_div_clk_disable(struct clk *c) +static void tegra2_pll_div_clk_disable(struct clk_hw *hw) { - u32 val; - u32 new_val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 new_val; + u32 val; + + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); - pr_debug("%s: %s\n", __func__, c->name); if (c->flags & DIV_U71) { spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); @@ -840,15 +964,17 @@ static void tegra2_pll_div_clk_disable(struct clk *c) } } -static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_pll_div_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - u32 val; - u32 new_val; - int divider_u71; - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + int divider_u71; + u32 new_val; + u32 val; + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { divider_u71 = clk_div71_get_divider(parent_rate, rate); if (divider_u71 >= 0) { @@ -876,11 +1002,14 @@ static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) +static long tegra2_pll_div_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = *prate; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); @@ -894,49 +1023,24 @@ static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) } struct clk_ops tegra_pll_div_ops = { - .init = tegra2_pll_div_clk_init, + .is_enabled = tegra2_pll_div_clk_is_enabled, .enable = tegra2_pll_div_clk_enable, .disable = tegra2_pll_div_clk_disable, .set_rate = tegra2_pll_div_clk_set_rate, .round_rate = tegra2_pll_div_clk_round_rate, + .recalc_rate = tegra2_pll_div_clk_recalc_rate, }; /* Periph clk ops */ -static void tegra2_periph_clk_init(struct clk *c) +static int tegra2_periph_clk_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - const struct clk_mux_sel *mux = NULL; - const struct clk_mux_sel *sel; - if (c->flags & MUX) { - for (sel = c->inputs; sel->input != NULL; sel++) { - if (val >> PERIPH_CLK_SOURCE_SHIFT == sel->value) - mux = sel; - } - BUG_ON(!mux); - - c->parent = mux->input; - } else { - c->parent = c->inputs[0].input; - } - - if (c->flags & DIV_U71) { - u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; - c->div = divu71 + 2; - c->mul = 2; - } else if (c->flags & DIV_U16) { - u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; - c->div = divu16 + 1; - c->mul = 1; - } else { - c->div = 1; - c->mul = 1; - } + struct clk_tegra *c = to_clk_tegra(hw); c->state = ON; if (!c->u.periph.clk_num) - return; + goto out; if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) @@ -946,24 +1050,27 @@ static void tegra2_periph_clk_init(struct clk *c) if (clk_readl(RST_DEVICES + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c)) c->state = OFF; + +out: + return c->state; } -static int tegra2_periph_clk_enable(struct clk *c) +static int tegra2_periph_clk_enable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; - int refcount; - pr_debug("%s on clock %s\n", __func__, c->name); + u32 val; + + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); if (!c->u.periph.clk_num) return 0; - spin_lock_irqsave(&clock_register_lock, flags); - - refcount = tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; + if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1) + return 0; - if (refcount > 1) - goto out; + spin_lock_irqsave(&clock_register_lock, flags); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c)); @@ -978,39 +1085,41 @@ static int tegra2_periph_clk_enable(struct clk *c) clk_writel(val, c->reg); } -out: spin_unlock_irqrestore(&clock_register_lock, flags); return 0; } -static void tegra2_periph_clk_disable(struct clk *c) +static void tegra2_periph_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); if (!c->u.periph.clk_num) return; - spin_lock_irqsave(&clock_register_lock, flags); + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; - if (c->refcnt) - tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; + if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 0) + return; - if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) - clk_writel(PERIPH_CLK_TO_ENB_BIT(c), - CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); + spin_lock_irqsave(&clock_register_lock, flags); + + clk_writel(PERIPH_CLK_TO_ENB_BIT(c), + CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); spin_unlock_irqrestore(&clock_register_lock, flags); } -static void tegra2_periph_clk_reset(struct clk *c, bool assert) +void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long base = assert ? RST_DEVICES_SET : RST_DEVICES_CLR; pr_debug("%s %s on clock %s\n", __func__, - assert ? "assert" : "deassert", c->name); + assert ? "assert" : "deassert", __clk_get_name(hw->clk)); BUG_ON(!c->u.periph.clk_num); @@ -1019,41 +1128,75 @@ static void tegra2_periph_clk_reset(struct clk *c, bool assert) base + PERIPH_CLK_TO_ENB_SET_REG(c)); } -static int tegra2_periph_clk_set_parent(struct clk *c, struct clk *p) +static int tegra2_periph_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~PERIPH_CLK_SOURCE_MASK; - val |= (sel->value) << PERIPH_CLK_SOURCE_SHIFT; - if (c->refcnt) - clk_enable(p); + pr_debug("%s: %s %d\n", __func__, __clk_get_name(hw->clk), index); - clk_writel(val, c->reg); + val = clk_readl(c->reg); + val &= ~PERIPH_CLK_SOURCE_MASK; + val |= (index) << PERIPH_CLK_SOURCE_SHIFT; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); - clk_reparent(c, p); - return 0; - } + return 0; +} + +static u8 tegra2_periph_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + + if (c->flags & MUX) + return (val & PERIPH_CLK_SOURCE_MASK) >> + PERIPH_CLK_SOURCE_SHIFT; + else + return 0; +} + +static unsigned long tegra2_periph_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = prate; + u32 val = clk_readl(c->reg); + + if (c->flags & DIV_U71) { + u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; + c->div = divu71 + 2; + c->mul = 2; + } else if (c->flags & DIV_U16) { + u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; + c->div = divu16 + 1; + c->mul = 1; + } else { + c->div = 1; + c->mul = 1; } - return -EINVAL; + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } -static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_periph_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); + + val = clk_readl(c->reg); if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); + if (divider >= 0) { val = clk_readl(c->reg); val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK; @@ -1079,15 +1222,21 @@ static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) c->mul = 1; return 0; } + return -EINVAL; } -static long tegra2_periph_clk_round_rate(struct clk *c, - unsigned long rate) +static long tegra2_periph_clk_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); @@ -1105,44 +1254,27 @@ static long tegra2_periph_clk_round_rate(struct clk *c, } struct clk_ops tegra_periph_clk_ops = { - .init = &tegra2_periph_clk_init, + .is_enabled = &tegra2_periph_clk_is_enabled, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, .set_parent = &tegra2_periph_clk_set_parent, + .get_parent = &tegra2_periph_clk_get_parent, .set_rate = &tegra2_periph_clk_set_rate, .round_rate = &tegra2_periph_clk_round_rate, - .reset = &tegra2_periph_clk_reset, + .recalc_rate = &tegra2_periph_clk_recalc_rate, }; -/* The SDMMC controllers have extra bits in the clock source register that - * adjust the delay between the clock and data to compenstate for delays - * on the PCB. */ -void tegra2_sdmmc_tap_delay(struct clk *c, int delay) -{ - u32 reg; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - delay = clamp(delay, 0, 15); - reg = clk_readl(c->reg); - reg &= ~SDMMC_CLK_INT_FB_DLY_MASK; - reg |= SDMMC_CLK_INT_FB_SEL; - reg |= delay << SDMMC_CLK_INT_FB_DLY_SHIFT; - clk_writel(reg, c->reg); - - spin_unlock_irqrestore(&c->spinlock, flags); -} - /* External memory controller clock ops */ -static void tegra2_emc_clk_init(struct clk *c) +static void tegra2_emc_clk_init(struct clk_hw *hw) { - tegra2_periph_clk_init(c); - c->max_rate = clk_get_rate_locked(c); + struct clk_tegra *c = to_clk_tegra(hw); + c->max_rate = __clk_get_rate(hw->clk); } -static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) +static long tegra2_emc_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); long emc_rate; long clk_rate; @@ -1158,7 +1290,7 @@ static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) * The fastest rate the PLL will generate that is at most the * requested rate. */ - clk_rate = tegra2_periph_clk_round_rate(c, emc_rate); + clk_rate = tegra2_periph_clk_round_rate(hw, emc_rate, NULL); /* * If this fails, and emc_rate > clk_rate, it's because the maximum @@ -1174,9 +1306,11 @@ static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) return emc_rate; } -static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_emc_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { int ret; + /* * The Tegra2 memory controller has an interlock with the clock * block that allows memory shadowed registers to be updated, @@ -1187,116 +1321,145 @@ static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) if (ret < 0) return ret; - ret = tegra2_periph_clk_set_rate(c, rate); + ret = tegra2_periph_clk_set_rate(hw, rate, parent_rate); udelay(1); return ret; } struct clk_ops tegra_emc_clk_ops = { - .init = &tegra2_emc_clk_init, - .enable = &tegra2_periph_clk_enable, - .disable = &tegra2_periph_clk_disable, - .set_parent = &tegra2_periph_clk_set_parent, - .set_rate = &tegra2_emc_clk_set_rate, - .round_rate = &tegra2_emc_clk_round_rate, - .reset = &tegra2_periph_clk_reset, + .init = &tegra2_emc_clk_init, + .is_enabled = &tegra2_periph_clk_is_enabled, + .enable = &tegra2_periph_clk_enable, + .disable = &tegra2_periph_clk_disable, + .set_parent = &tegra2_periph_clk_set_parent, + .get_parent = &tegra2_periph_clk_get_parent, + .set_rate = &tegra2_emc_clk_set_rate, + .round_rate = &tegra2_emc_clk_round_rate, + .recalc_rate = &tegra2_periph_clk_recalc_rate, }; /* Clock doubler ops */ -static void tegra2_clk_double_init(struct clk *c) +static int tegra2_clk_double_is_enabled(struct clk_hw *hw) { - c->mul = 2; - c->div = 1; + struct clk_tegra *c = to_clk_tegra(hw); + c->state = ON; if (!c->u.periph.clk_num) - return; + goto out; if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) c->state = OFF; + +out: + return c->state; }; -static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra2_clk_double_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - if (rate != 2 * clk_get_rate(c->parent)) - return -EINVAL; + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + c->mul = 2; c->div = 1; + + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + + return rate; +} + +static long tegra2_clk_double_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long output_rate = *prate; + + do_div(output_rate, 2); + return output_rate; +} + +static int tegra2_clk_double_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + if (rate != 2 * parent_rate) + return -EINVAL; return 0; } struct clk_ops tegra_clk_double_ops = { - .init = &tegra2_clk_double_init, + .is_enabled = &tegra2_clk_double_is_enabled, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, .set_rate = &tegra2_clk_double_set_rate, + .recalc_rate = &tegra2_clk_double_recalc_rate, + .round_rate = &tegra2_clk_double_round_rate, }; /* Audio sync clock ops */ -static void tegra2_audio_sync_clk_init(struct clk *c) +static int tegra2_audio_sync_clk_is_enabled(struct clk_hw *hw) { - int source; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); + c->state = (val & (1<<4)) ? OFF : ON; - source = val & 0xf; - for (sel = c->inputs; sel->input != NULL; sel++) - if (sel->value == source) - break; - BUG_ON(sel->input == NULL); - c->parent = sel->input; + return c->state; } -static int tegra2_audio_sync_clk_enable(struct clk *c) +static int tegra2_audio_sync_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + clk_writel(0, c->reg); return 0; } -static void tegra2_audio_sync_clk_disable(struct clk *c) +static void tegra2_audio_sync_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); clk_writel(1, c->reg); } -static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) +static u8 tegra2_audio_sync_clk_get_parent(struct clk_hw *hw) { - u32 val; - const struct clk_mux_sel *sel; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~0xf; - val |= sel->value; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source; - if (c->refcnt) - clk_enable(p); + source = val & 0xf; + return source; +} - clk_writel(val, c->reg); +static int tegra2_audio_sync_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; - if (c->refcnt && c->parent) - clk_disable(c->parent); + val = clk_readl(c->reg); + val &= ~0xf; + val |= index; - clk_reparent(c, p); - return 0; - } - } + clk_writel(val, c->reg); - return -EINVAL; + return 0; } struct clk_ops tegra_audio_sync_clk_ops = { - .init = tegra2_audio_sync_clk_init, - .enable = tegra2_audio_sync_clk_enable, - .disable = tegra2_audio_sync_clk_disable, - .set_parent = tegra2_audio_sync_clk_set_parent, + .is_enabled = tegra2_audio_sync_clk_is_enabled, + .enable = tegra2_audio_sync_clk_enable, + .disable = tegra2_audio_sync_clk_disable, + .set_parent = tegra2_audio_sync_clk_set_parent, + .get_parent = tegra2_audio_sync_clk_get_parent, }; /* cdev1 and cdev2 (dap_mclk1 and dap_mclk2) ops */ -static void tegra2_cdev_clk_init(struct clk *c) +static int tegra2_cdev_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); /* We could un-tristate the cdev1 or cdev2 pingroup here; this is * currently done in the pinmux code. */ c->state = ON; @@ -1306,10 +1469,12 @@ static void tegra2_cdev_clk_init(struct clk *c) if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) c->state = OFF; + return c->state; } -static int tegra2_cdev_clk_enable(struct clk *c) +static int tegra2_cdev_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); BUG_ON(!c->u.periph.clk_num); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), @@ -1317,8 +1482,9 @@ static int tegra2_cdev_clk_enable(struct clk *c) return 0; } -static void tegra2_cdev_clk_disable(struct clk *c) +static void tegra2_cdev_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); BUG_ON(!c->u.periph.clk_num); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), @@ -1326,109 +1492,7 @@ static void tegra2_cdev_clk_disable(struct clk *c) } struct clk_ops tegra_cdev_clk_ops = { - .init = &tegra2_cdev_clk_init, + .is_enabled = &tegra2_cdev_clk_is_enabled, .enable = &tegra2_cdev_clk_enable, .disable = &tegra2_cdev_clk_disable, }; - -/* shared bus ops */ -/* - * Some clocks may have multiple downstream users that need to request a - * higher clock rate. Shared bus clocks provide a unique shared_bus_user - * clock to each user. The frequency of the bus is set to the highest - * enabled shared_bus_user clock, with a minimum value set by the - * shared bus. - */ -static int tegra_clk_shared_bus_update(struct clk *bus) -{ - struct clk *c; - unsigned long rate = bus->min_rate; - - list_for_each_entry(c, &bus->shared_bus_list, u.shared_bus_user.node) - if (c->u.shared_bus_user.enabled) - rate = max(c->u.shared_bus_user.rate, rate); - - if (rate == clk_get_rate_locked(bus)) - return 0; - - return clk_set_rate_locked(bus, rate); -}; - -static void tegra_clk_shared_bus_init(struct clk *c) -{ - unsigned long flags; - - c->max_rate = c->parent->max_rate; - c->u.shared_bus_user.rate = c->parent->max_rate; - c->state = OFF; - c->set = true; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - list_add_tail(&c->u.shared_bus_user.node, - &c->parent->shared_bus_list); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); -} - -static int tegra_clk_shared_bus_set_rate(struct clk *c, unsigned long rate) -{ - unsigned long flags; - int ret; - long new_rate = rate; - - new_rate = clk_round_rate(c->parent, new_rate); - if (new_rate < 0) - return new_rate; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.rate = new_rate; - ret = tegra_clk_shared_bus_update(c->parent); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); - - return ret; -} - -static long tegra_clk_shared_bus_round_rate(struct clk *c, unsigned long rate) -{ - return clk_round_rate(c->parent, rate); -} - -static int tegra_clk_shared_bus_enable(struct clk *c) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.enabled = true; - ret = tegra_clk_shared_bus_update(c->parent); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); - - return ret; -} - -static void tegra_clk_shared_bus_disable(struct clk *c) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.enabled = false; - ret = tegra_clk_shared_bus_update(c->parent); - WARN_ON_ONCE(ret); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); -} - -struct clk_ops tegra_clk_shared_bus_ops = { - .init = tegra_clk_shared_bus_init, - .enable = tegra_clk_shared_bus_enable, - .disable = tegra_clk_shared_bus_disable, - .set_rate = tegra_clk_shared_bus_set_rate, - .round_rate = tegra_clk_shared_bus_round_rate, -}; diff --git a/arch/arm/mach-tegra/tegra20_clocks.h b/arch/arm/mach-tegra/tegra20_clocks.h index 167058c..0e42ec0 100644 --- a/arch/arm/mach-tegra/tegra20_clocks.h +++ b/arch/arm/mach-tegra/tegra20_clocks.h @@ -17,6 +17,7 @@ #ifndef __MACH_TEGRA20_CLOCK_H #define __MACH_TEGRA20_CLOCK_H +extern struct clk_ops tegra_clk_32k_ops; extern struct clk_ops tegra_pll_ops; extern struct clk_ops tegra_clk_m_ops; extern struct clk_ops tegra_pll_div_ops; @@ -34,4 +35,7 @@ extern struct clk_ops tegra_emc_clk_ops; extern struct clk_ops tegra_periph_clk_ops; extern struct clk_ops tegra_clk_shared_bus_ops; +void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert); +void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert); + #endif diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c index 8d0f019..3402acd 100644 --- a/arch/arm/mach-tegra/tegra20_clocks_data.c +++ b/arch/arm/mach-tegra/tegra20_clocks_data.c @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/tegra2_clocks.c * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -17,13 +18,13 @@ * */ +#include <linux/clk-private.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/io.h> -#include <linux/clkdev.h> #include <linux/clk.h> #include <mach/iomap.h> @@ -35,56 +36,151 @@ #include "tegra20_clocks.h" /* Clock definitions */ + +#define DEFINE_CLK_TEGRA(_name, _rate, _ops, _flags, \ + _parent_names, _parents, _parent) \ + static struct clk tegra_##_name = { \ + .hw = &tegra_##_name##_hw.hw, \ + .name = #_name, \ + .rate = _rate, \ + .ops = _ops, \ + .flags = _flags, \ + .parent_names = _parent_names, \ + .parents = _parents, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .parent = _parent, \ + }; + +static struct clk tegra_clk_32k; +static struct clk_tegra tegra_clk_32k_hw = { + .hw = { + .clk = &tegra_clk_32k, + }, + .fixed_rate = 32768, +}; + static struct clk tegra_clk_32k = { .name = "clk_32k", .rate = 32768, - .ops = NULL, - .max_rate = 32768, + .ops = &tegra_clk_32k_ops, + .hw = &tegra_clk_32k_hw.hw, + .flags = CLK_IS_ROOT, }; -static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { - {32768, 12000000, 366, 1, 1, 0}, - {32768, 13000000, 397, 1, 1, 0}, - {32768, 19200000, 586, 1, 1, 0}, - {32768, 26000000, 793, 1, 1, 0}, - {0, 0, 0, 0, 0, 0}, +static struct clk tegra_pll_s; + +static const char *clk_m_parent_names[] = { + "clk_32k", }; -static struct clk tegra_pll_s = { - .name = "pll_s", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_pll_ops, - .parent = &tegra_clk_32k, - .max_rate = 26000000, - .reg = 0xf0, - .u.pll = { - .input_min = 32768, - .input_max = 32768, - .cf_min = 0, /* FIXME */ - .cf_max = 0, /* FIXME */ - .vco_min = 12000000, - .vco_max = 26000000, - .freq_table = tegra_pll_s_freq_table, - .lock_delay = 300, - }, +static struct clk *clk_m_parents[] = { + &tegra_clk_32k, }; -static struct clk_mux_sel tegra_clk_m_sel[] = { - { .input = &tegra_clk_32k, .value = 0}, - { .input = &tegra_pll_s, .value = 1}, - { NULL , 0}, +static struct clk tegra_clk_m; +static struct clk_tegra tegra_clk_m_hw = { + .hw = { + .clk = &tegra_clk_m, + }, + .flags = ENABLE_ON_INIT, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 26000000, + .fixed_rate = 0, }; static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .inputs = tegra_clk_m_sel, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 26000000, + .name = "clk_m", + .ops = &tegra_clk_m_ops, + .hw = &tegra_clk_m_hw.hw, + .flags = CLK_IGNORE_UNUSED, + .parent_names = clk_m_parent_names, + .parents = clk_m_parents, + .num_parents = ARRAY_SIZE(clk_m_parent_names), +}; + +#define DEFINE_PLL(_name, _flags, _reg, _max_rate, _input_min, \ + _input_max, _cf_min, _cf_max, _vco_min, \ + _vco_max, _freq_table, _lock_delay, _ops, \ + _fixed_rate, _parent) \ + static const char *tegra_##_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *tegra_##_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .u.pll = { \ + .input_min = _input_min, \ + .input_max = _input_max, \ + .cf_min = _cf_min, \ + .cf_max = _cf_max, \ + .vco_min = _vco_min, \ + .vco_max = _vco_max, \ + .freq_table = _freq_table, \ + .lock_delay = _lock_delay, \ + .fixed_rate = _fixed_rate, \ + }, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent = &tegra_##_parent, \ + .parent_names = tegra_##_name##_parent_names, \ + .parents = tegra_##_name##_parents, \ + .num_parents = 1, \ + }; + +#define DEFINE_PLL_OUT(_name, _flags, _reg, _reg_shift, \ + _max_rate, _ops, _parent, _clk_flags) \ + static const char *tegra_##_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *tegra_##_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .reg_shift = _reg_shift, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_pll_div_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent = &tegra_##_parent, \ + .parent_names = tegra_##_name##_parent_names, \ + .parents = tegra_##_name##_parents, \ + .num_parents = 1, \ + .flags = _clk_flags, \ + }; + + +static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { + {32768, 12000000, 366, 1, 1, 0}, + {32768, 13000000, 397, 1, 1, 0}, + {32768, 19200000, 586, 1, 1, 0}, + {32768, 26000000, 793, 1, 1, 0}, + {0, 0, 0, 0, 0, 0}, }; +DEFINE_PLL(pll_s, PLL_ALT_MISC_REG, 0xf0, 26000000, 32768, 32768, 0, + 0, 12000000, 26000000, tegra_pll_s_freq_table, 300, + tegra_pll_ops, 0, clk_32k); + static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 600000000, 600, 12, 1, 8 }, { 13000000, 600000000, 600, 13, 1, 8 }, @@ -93,34 +189,12 @@ static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_clk_m, - .max_rate = 600000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_c, PLL_HAS_CPCON, 0x80, 600000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_c_freq_table, 300, + tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_c_out1, DIV_U71, 0x84, 0, 600000000, + tegra_pll_div_ops, pll_c, 0); static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 12000000, 666000000, 666, 12, 1, 8}, @@ -134,34 +208,12 @@ static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_clk_m, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_m, PLL_HAS_CPCON, 0x90, 800000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1200000000, tegra_pll_m_freq_table, 300, + tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_m_out1, DIV_U71, 0x94, 0, 600000000, + tegra_pll_div_ops, pll_m, 0); static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 12000000, 216000000, 432, 12, 2, 8}, @@ -175,64 +227,19 @@ static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_clk_m, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - }, -}; -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; +DEFINE_PLL(pll_p, ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, 0xa0, 432000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1400000000, + tegra_pll_p_freq_table, 300, tegra_pll_ops, 216000000, clk_m); -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; +DEFINE_PLL_OUT(pll_p_out1, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, 0, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out2, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, 16, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out3, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, 0, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out4, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, 16, + 432000000, tegra_pll_div_ops, pll_p, 0); static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 28800000, 56448000, 49, 25, 1, 1}, @@ -241,34 +248,12 @@ static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 73728000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_a, PLL_HAS_CPCON, 0xb0, 73728000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_a_freq_table, 300, + tegra_pll_ops, 0, pll_p_out1); -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 73728000, -}; +DEFINE_PLL_OUT(pll_a_out0, DIV_U71, 0xb4, 0, 73728000, + tegra_pll_div_ops, pll_a, 0); static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 12000000, 216000000, 216, 12, 1, 4}, @@ -289,32 +274,12 @@ static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_pll_ops, - .reg = 0xd0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_d, PLL_HAS_CPCON | PLLD, 0xd0, 1000000000, 2000000, 40000000, + 1000000, 6000000, 40000000, 1000000000, tegra_pll_d_freq_table, + 1000, tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; +DEFINE_PLL_OUT(pll_d_out0, DIV_2 | PLLD, 0, 0, 500000000, + tegra_pll_div_ops, pll_d, CLK_SET_RATE_PARENT); static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 12000000, 480000000, 960, 12, 2, 0}, @@ -324,24 +289,9 @@ static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_clk_m, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_u, PLLU, 0xc0, 480000000, 2000000, 40000000, 1000000, 6000000, + 48000000, 960000000, tegra_pll_u_freq_table, 1000, + tegra_pll_ops, 0, clk_m); static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { /* 1 GHz */ @@ -395,78 +345,86 @@ static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, - .ops = &tegra_pllx_ops, - .reg = 0xe0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_x, PLL_HAS_CPCON | PLL_ALT_MISC_REG, 0xe0, 1000000000, 2000000, + 31000000, 1000000, 6000000, 20000000, 1200000000, + tegra_pll_x_freq_table, 300, tegra_pllx_ops, 0, clk_m); static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { { 12000000, 100000000, 200, 24, 1, 0 }, { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .parent = &tegra_clk_m, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 12000000, - .freq_table = tegra_pll_e_freq_table, - }, +DEFINE_PLL(pll_e, PLL_ALT_MISC_REG, 0xe8, 100000000, 12000000, 12000000, 0, 0, + 0, 0, tegra_pll_e_freq_table, 0, tegra_plle_ops, 0, clk_m); + +static const char *tegra_common_parent_names[] = { + "clk_m", }; -static struct clk tegra_clk_d = { - .name = "clk_d", - .flags = PERIPH_NO_RESET, - .ops = &tegra_clk_double_ops, - .reg = 0x34, +static struct clk *tegra_common_parents[] = { + &tegra_clk_m, +}; + +static struct clk tegra_clk_d; +static struct clk_tegra tegra_clk_d_hw = { + .hw = { + .clk = &tegra_clk_d, + }, + .flags = PERIPH_NO_RESET, + .reg = 0x34, .reg_shift = 12, - .parent = &tegra_clk_m, - .max_rate = 52000000, - .u.periph = { + .max_rate = 52000000, + .u.periph = { .clk_num = 90, }, }; -/* dap_mclk1, belongs to the cdev1 pingroup. */ -static struct clk tegra_clk_cdev1 = { - .name = "cdev1", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { +static struct clk tegra_clk_d = { + .name = "clk_d", + .hw = &tegra_clk_d_hw.hw, + .ops = &tegra_clk_double_ops, + .parent = &tegra_clk_m, + .parent_names = tegra_common_parent_names, + .parents = tegra_common_parents, + .num_parents = ARRAY_SIZE(tegra_common_parent_names), +}; + +static struct clk tegra_cdev1; +static struct clk_tegra tegra_cdev1_hw = { + .hw = { + .clk = &tegra_cdev1, + }, + .max_rate = 26000000, + .u.periph = { .clk_num = 94, }, }; +static struct clk tegra_cdev1 = { + .name = "cdev1", + .hw = &tegra_cdev1_hw.hw, + .rate = 26000000, + .ops = &tegra_cdev_clk_ops, + .flags = CLK_IS_ROOT, +}; /* dap_mclk2, belongs to the cdev2 pingroup. */ -static struct clk tegra_clk_cdev2 = { - .name = "cdev2", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 93, +static struct clk tegra_cdev2; +static struct clk_tegra tegra_cdev2_hw = { + .hw = { + .clk = &tegra_cdev2, + }, + .max_rate = 26000000, + .u.periph = { + .clk_num = 93, }, }; +static struct clk tegra_cdev2 = { + .name = "cdev2", + .hw = &tegra_cdev2_hw.hw, + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .flags = CLK_IS_ROOT, +}; /* initialized before peripheral clocks */ static struct clk_mux_sel mux_audio_sync_clk[8+1]; @@ -487,30 +445,66 @@ static const struct audio_sources { { NULL, 0 } }; -static struct clk tegra_clk_audio = { - .name = "audio", - .inputs = mux_audio_sync_clk, - .reg = 0x38, - .max_rate = 73728000, - .ops = &tegra_audio_sync_clk_ops +static const char *audio_parent_names[] = { + "spdif_in", + "i2s1", + "i2s2", + "dummy", + "pll_a_out0", + "dummy", + "dummy", + "dummy", }; -static struct clk tegra_clk_audio_2x = { - .name = "audio_2x", - .flags = PERIPH_NO_RESET, - .max_rate = 48000000, - .ops = &tegra_clk_double_ops, - .reg = 0x34, +static struct clk *audio_parents[] = { + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, +}; + +static struct clk tegra_audio; +static struct clk_tegra tegra_audio_hw = { + .hw = { + .clk = &tegra_audio, + }, + .reg = 0x38, + .max_rate = 73728000, +}; +DEFINE_CLK_TEGRA(audio, 0, &tegra_audio_sync_clk_ops, 0, audio_parent_names, + audio_parents, NULL); + +static const char *audio_2x_parent_names[] = { + "audio", +}; + +static struct clk *audio_2x_parents[] = { + &tegra_audio, +}; + +static struct clk tegra_audio_2x; +static struct clk_tegra tegra_audio_2x_hw = { + .hw = { + .clk = &tegra_audio_2x, + }, + .flags = PERIPH_NO_RESET, + .max_rate = 48000000, + .reg = 0x34, .reg_shift = 8, - .parent = &tegra_clk_audio, .u.periph = { .clk_num = 89, }, }; +DEFINE_CLK_TEGRA(audio_2x, 0, &tegra_clk_double_ops, 0, audio_2x_parent_names, + audio_2x_parents, &tegra_audio); static struct clk_lookup tegra_audio_clk_lookups[] = { - { .con_id = "audio", .clk = &tegra_clk_audio }, - { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } + { .con_id = "audio", .clk = &tegra_audio }, + { .con_id = "audio_2x", .clk = &tegra_audio_2x } }; /* This is called after peripheral clocks are initialized, as the @@ -529,315 +523,501 @@ static void init_audio_sync_clock_mux(void) if (!sel->input) pr_err("%s: could not find clk %s\n", __func__, src->name); + audio_parents[src->value] = sel->input; sel->value = src->value; } lookup = tegra_audio_clk_lookups; for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { - clk_init(lookup->clk); - clkdev_add(lookup); + struct clk *c = lookup->clk; + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + clk->lookup.con_id = lookup->con_id; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } } -static struct clk_mux_sel mux_cclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_clk_d, .value = 7}, - { .input = &tegra_pll_x, .value = 8}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - { .input = &tegra_clk_d, .value = 5}, - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { NULL, 0}, -}; - -static struct clk tegra_clk_cclk = { - .name = "cclk", - .inputs = mux_cclk, - .reg = 0x20, - .ops = &tegra_super_ops, +static const char *mux_cclk[] = { + "clk_m", + "pll_c", + "clk_32k", + "pll_m", + "pll_p", + "pll_p_out4", + "pll_p_out3", + "clk_d", + "pll_x", +}; + + +static struct clk *mux_cclk_p[] = { + &tegra_clk_m, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_pll_m, + &tegra_pll_p, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_clk_d, + &tegra_pll_x, +}; + +static const char *mux_sclk[] = { + "clk_m", + "pll_c_out1", + "pll_p_out4", + "pllp_p_out3", + "pll_p_out2", + "clk_d", + "clk_32k", + "pll_m_out1", +}; + +static struct clk *mux_sclk_p[] = { + &tegra_clk_m, + &tegra_pll_c_out1, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_pll_p_out2, + &tegra_clk_d, + &tegra_clk_32k, + &tegra_pll_m_out1, +}; + +static struct clk tegra_cclk; +static struct clk_tegra tegra_cclk_hw = { + .hw = { + .clk = &tegra_cclk, + }, + .reg = 0x20, .max_rate = 1000000000, }; +DEFINE_CLK_TEGRA(cclk, 0, &tegra_super_ops, 0, mux_cclk, + mux_cclk_p, NULL); -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, +static struct clk tegra_sclk; +static struct clk_tegra tegra_sclk_hw = { + .hw = { + .clk = &tegra_sclk, + }, + .reg = 0x28, .max_rate = 240000000, .min_rate = 120000000, }; +DEFINE_CLK_TEGRA(sclk, 0, &tegra_super_ops, 0, mux_sclk, + mux_sclk_p, NULL); -static struct clk tegra_clk_virtual_cpu = { - .name = "cpu", - .parent = &tegra_clk_cclk, - .ops = &tegra_cpu_ops, - .max_rate = 1000000000, - .u.cpu = { - .main = &tegra_pll_x, - .backup = &tegra_pll_p, - }, +static const char *tegra_cop_parent_names[] = { + "tegra_sclk", +}; + +static struct clk *tegra_cop_parents[] = { + &tegra_sclk, }; -static struct clk tegra_clk_cop = { - .name = "cop", - .parent = &tegra_clk_sclk, - .ops = &tegra_cop_ops, +static struct clk tegra_cop; +static struct clk_tegra tegra_cop_hw = { + .hw = { + .clk = &tegra_cop, + }, .max_rate = 240000000, + .reset = &tegra2_cop_clk_reset, +}; +DEFINE_CLK_TEGRA(cop, 0, &tegra_cop_ops, CLK_SET_RATE_PARENT, + tegra_cop_parent_names, tegra_cop_parents, &tegra_sclk); + +static const char *tegra_hclk_parent_names[] = { + "tegra_sclk", +}; + +static struct clk *tegra_hclk_parents[] = { + &tegra_sclk, +}; + +static struct clk tegra_hclk; +static struct clk_tegra tegra_hclk_hw = { + .hw = { + .clk = &tegra_hclk, + }, + .flags = DIV_BUS, + .reg = 0x30, + .reg_shift = 4, + .max_rate = 240000000, +}; +DEFINE_CLK_TEGRA(hclk, 0, &tegra_bus_ops, 0, tegra_hclk_parent_names, + tegra_hclk_parents, &tegra_sclk); + +static const char *tegra_pclk_parent_names[] = { + "tegra_hclk", +}; + +static struct clk *tegra_pclk_parents[] = { + &tegra_hclk, +}; + +static struct clk tegra_pclk; +static struct clk_tegra tegra_pclk_hw = { + .hw = { + .clk = &tegra_pclk, + }, + .flags = DIV_BUS, + .reg = 0x30, + .reg_shift = 0, + .max_rate = 120000000, +}; +DEFINE_CLK_TEGRA(pclk, 0, &tegra_bus_ops, 0, tegra_pclk_parent_names, + tegra_pclk_parents, &tegra_hclk); + +static const char *tegra_blink_parent_names[] = { + "ckl_32k", +}; + +static struct clk *tegra_blink_parents[] = { + &tegra_clk_32k, +}; + +static struct clk tegra_blink; +static struct clk_tegra tegra_blink_hw = { + .hw = { + .clk = &tegra_blink, + }, + .reg = 0x40, + .max_rate = 32768, +}; +DEFINE_CLK_TEGRA(blink, 0, &tegra_blink_clk_ops, 0, tegra_blink_parent_names, + tegra_blink_parents, &tegra_blink); + +static const char *mux_pllm_pllc_pllp_plla[] = { + "pll_m", + "pll_c", + "pll_p", + "pll_a_out0", +}; + +static struct clk *mux_pllm_pllc_pllp_plla_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_pll_a_out0, }; -static struct clk tegra_clk_hclk = { - .name = "hclk", - .flags = DIV_BUS, - .parent = &tegra_clk_sclk, - .reg = 0x30, - .reg_shift = 4, - .ops = &tegra_bus_ops, - .max_rate = 240000000, +static const char *mux_pllm_pllc_pllp_clkm[] = { + "pll_m", + "pll_c", + "pll_p", + "clk_m", }; -static struct clk tegra_clk_pclk = { - .name = "pclk", - .flags = DIV_BUS, - .parent = &tegra_clk_hclk, - .reg = 0x30, - .reg_shift = 0, - .ops = &tegra_bus_ops, - .max_rate = 120000000, +static struct clk *mux_pllm_pllc_pllp_clkm_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_clk_m, }; -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, +static const char *mux_pllp_pllc_pllm_clkm[] = { + "pll_p", + "pll_c", + "pll_m", + "clk_m", }; -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_pllm_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static const char *mux_pllaout0_audio2x_pllp_clkm[] = { + "pll_a_out0", + "audio_2x", + "pll_p", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllaout0_audio2x_pllp_clkm_p[] = { + &tegra_pll_a_out0, + &tegra_audio_2x, + &tegra_pll_p, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { - {.input = &tegra_pll_a_out0, .value = 0}, - {.input = &tegra_clk_audio_2x, .value = 1}, - {.input = &tegra_pll_p, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static const char *mux_pllp_plld_pllc_clkm[] = { + "pllp", + "pll_d_out0", + "pll_c", + "clk_m", }; -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllp_plld_pllc_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_d_out0, + &tegra_pll_c, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_audio, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - {.input = &tegra_clk_32k, .value = 4}, - { NULL, 0}, +static const char *mux_pllp_pllc_audio_clkm_clk32[] = { + "pll_p", + "pll_c", + "audio", + "clk_m", + "clk_32k", }; -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_audio_clkm_clk32_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_audio, + &tegra_clk_m, + &tegra_clk_32k, }; -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { NULL, 0}, +static const char *mux_pllp_pllc_pllm[] = { + "pll_p", + "pll_c", + "pll_m" }; -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_pllm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, }; -static struct clk_mux_sel mux_plld[] = { - { .input = &tegra_pll_d, .value = 0}, - { NULL, 0}, +static const char *mux_clk_m[] = { + "clk_m", }; -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { NULL, 0}, +static struct clk *mux_clk_m_p[] = { + &tegra_clk_m, }; -static struct clk_mux_sel mux_pclk[] = { - { .input = &tegra_clk_pclk, .value = 0}, - { NULL, 0}, +static const char *mux_pllp_out3[] = { + "pll_p_out3", }; -static struct clk tegra_clk_emc = { - .name = "emc", - .ops = &tegra_emc_clk_ops, +static struct clk *mux_pllp_out3_p[] = { + &tegra_pll_p_out3, +}; + +static const char *mux_plld[] = { + "pll_d", +}; + +static struct clk *mux_plld_p[] = { + &tegra_pll_d, +}; + +static const char *mux_clk_32k[] = { + "clk_32k", +}; + +static struct clk *mux_clk_32k_p[] = { + &tegra_clk_32k, +}; + +static const char *mux_pclk[] = { + "pclk", +}; + +static struct clk *mux_pclk_p[] = { + &tegra_pclk, +}; + +static struct clk tegra_emc; +static struct clk_tegra tegra_emc_hw = { + .hw = { + .clk = &tegra_emc, + }, .reg = 0x19c, .max_rate = 800000000, - .inputs = mux_pllm_pllc_pllp_clkm, .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, + .reset = &tegra2_periph_clk_reset, .u.periph = { .clk_num = 57, }, }; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ +DEFINE_CLK_TEGRA(emc, 0, &tegra_emc_clk_ops, 0, mux_pllm_pllc_pllp_clkm, + mux_pllm_pllc_pllp_clkm_p, NULL); + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, \ + _max, _inputs, _flags) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ + .reg = _reg, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - } + .reset = &tegra2_periph_clk_reset, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_periph_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = _inputs, \ + .parents = _inputs##_p, \ + .num_parents = ARRAY_SIZE(_inputs), \ + }; + +PERIPH_CLK(apbdma, "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0); +PERIPH_CLK(rtc, "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET); +PERIPH_CLK(timer, "timer", NULL, 5, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(i2s1, "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(i2s2, "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(spdif_out, "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(spdif_in, "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71); +PERIPH_CLK(pwm, "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71); +PERIPH_CLK(spi, "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(xio, "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(twc, "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc1, "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc2, "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc3, "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc4, "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(ide, "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(ndflash, "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vfir, "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sdmmc1, "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc2, "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc3, "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc4, "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vcp, "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsea, "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsev, "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(vde, "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(csite, "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* max rate ??? */ +/* FIXME: what is la? */ +PERIPH_CLK(la, "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(owr, "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(nor, "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(mipi, "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(i2c1, "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c2, "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c3, "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(dvc, "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c1_i2c, "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(i2c2_i2c, "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(i2c3_i2c, "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(dvc_i2c, "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(uarta, "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartb, "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartc, "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartd, "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uarte, "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(3d, "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET); /* scales with voltage and process_id */ +PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(vi, "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET); /* scales with voltage and process_id */ +PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX); /* scales with voltage and process_id */ +PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX); /* scales with voltage and process_id */ +PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(dsi, "dsi", NULL, 48, 0, 500000000, mux_plld, 0); /* scales with voltage */ +PERIPH_CLK(csi, "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(isp, "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0); /* same frequency as VI */ +PERIPH_CLK(csus, "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET); +PERIPH_CLK(pex, NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); +PERIPH_CLK(afi, NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); +PERIPH_CLK(pcie_xclk, NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); + +static struct clk *tegra_list_clks[] = { + &tegra_apbdma, + &tegra_rtc, + &tegra_timer, + &tegra_i2s1, + &tegra_i2s2, + &tegra_spdif_out, + &tegra_spdif_in, + &tegra_pwm, + &tegra_spi, + &tegra_xio, + &tegra_twc, + &tegra_sbc1, + &tegra_sbc2, + &tegra_sbc3, + &tegra_sbc4, + &tegra_ide, + &tegra_ndflash, + &tegra_vfir, + &tegra_sdmmc1, + &tegra_sdmmc2, + &tegra_sdmmc3, + &tegra_sdmmc4, + &tegra_vcp, + &tegra_bsea, + &tegra_bsev, + &tegra_vde, + &tegra_csite, + &tegra_la, + &tegra_owr, + &tegra_nor, + &tegra_mipi, + &tegra_i2c1, + &tegra_i2c2, + &tegra_i2c3, + &tegra_dvc, + &tegra_i2c1_i2c, + &tegra_i2c2_i2c, + &tegra_i2c3_i2c, + &tegra_dvc_i2c, + &tegra_uarta, + &tegra_uartb, + &tegra_uartc, + &tegra_uartd, + &tegra_uarte, + &tegra_3d, + &tegra_2d, + &tegra_vi, + &tegra_vi_sensor, + &tegra_epp, + &tegra_mpe, + &tegra_host1x, + &tegra_cve, + &tegra_tvo, + &tegra_hdmi, + &tegra_tvdac, + &tegra_disp1, + &tegra_disp2, + &tegra_usbd, + &tegra_usb2, + &tegra_usb3, + &tegra_dsi, + &tegra_csi, + &tegra_isp, + &tegra_csus, + &tegra_pex, + &tegra_afi, + &tegra_pcie_xclk, +}; -static struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - /* FIXME: what is la? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - - SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), - SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), - SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), - SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), - SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), - SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), - SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), - SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), - SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), - SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), - SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ } /* Some clocks may be used by different drivers depending on the board @@ -850,29 +1030,30 @@ static struct clk_duplicate tegra_clk_duplicates[] = { CLK_DUPLICATE("uartc", "serial8250.2", NULL), CLK_DUPLICATE("uartd", "serial8250.3", NULL), CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), - CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), - CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), - CLK_DUPLICATE("epp", "tegra_grhost", "epp"), - CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), - CLK_DUPLICATE("cop", "tegra-avp", "cop"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), + CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), + CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), + CLK_DUPLICATE("epp", "tegra_grhost", "epp"), + CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), + CLK_DUPLICATE("cop", "tegra-avp", "cop"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("cclk", NULL, "cpu"), }; #define CLK(dev, con, ck) \ { \ - .dev_id = dev, \ - .con_id = con, \ - .clk = ck, \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ } static struct clk *tegra_ptr_clks[] = { @@ -895,27 +1076,28 @@ static struct clk *tegra_ptr_clks[] = { &tegra_pll_u, &tegra_pll_x, &tegra_pll_e, - &tegra_clk_cclk, - &tegra_clk_sclk, - &tegra_clk_hclk, - &tegra_clk_pclk, + &tegra_cclk, + &tegra_sclk, + &tegra_hclk, + &tegra_pclk, &tegra_clk_d, - &tegra_clk_cdev1, - &tegra_clk_cdev2, - &tegra_clk_virtual_cpu, - &tegra_clk_blink, - &tegra_clk_cop, - &tegra_clk_emc, + &tegra_cdev1, + &tegra_cdev2, + &tegra_blink, + &tegra_cop, + &tegra_emc, }; static void tegra2_init_one_clock(struct clk *c) { - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + if (!clk->lookup.dev_id && !clk->lookup.con_id) + clk->lookup.con_id = c->name; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } void __init tegra2_init_clocks(void) @@ -927,7 +1109,7 @@ void __init tegra2_init_clocks(void) tegra2_init_one_clock(tegra_ptr_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra2_init_one_clock(&tegra_list_clks[i]); + tegra2_init_one_clock(tegra_list_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c index 645ef69..1ffeee5 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.c +++ b/arch/arm/mach-tegra/tegra30_clocks.c @@ -381,14 +381,16 @@ static int tegra_periph_clk_enable_refcount[CLK_OUT_ENB_NUM * 32]; udelay(2); \ } while (0) - -static inline int clk_set_div(struct clk *c, u32 n) +static inline int clk_set_div(struct clk_tegra *c, u32 n) { - return clk_set_rate(c, (clk_get_rate(c->parent) + n-1) / n); + struct clk *clk = c->hw.clk; + + return clk_set_rate(clk, + (__clk_get_rate(__clk_get_parent(clk)) + n - 1) / n); } static inline u32 periph_clk_to_reg( - struct clk *c, u32 reg_L, u32 reg_V, int offs) + struct clk_tegra *c, u32 reg_L, u32 reg_V, int offs) { u32 reg = c->u.periph.clk_num / 32; BUG_ON(reg >= RST_DEVICES_NUM); @@ -470,15 +472,32 @@ static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate) return divider_u16 - 1; } +static unsigned long tegra30_clk_fixed_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + return to_clk_tegra(hw)->fixed_rate; +} + +struct clk_ops tegra_clk_32k_ops = { + .recalc_rate = tegra30_clk_fixed_recalc_rate, +}; + /* clk_m functions */ -static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c) +static unsigned long tegra30_clk_m_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + if (!to_clk_tegra(hw)->fixed_rate) + to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq(); + return to_clk_tegra(hw)->fixed_rate; +} + +static void tegra30_clk_m_init(struct clk_hw *hw) { u32 osc_ctrl = clk_readl(OSC_CTRL); u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK; u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK; - c->rate = clk_measure_input_freq(); - switch (c->rate) { + switch (to_clk_tegra(hw)->fixed_rate) { case 12000000: auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ; BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); @@ -508,46 +527,44 @@ static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c) BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4); break; default: - pr_err("%s: Unexpected clock rate %ld", __func__, c->rate); + pr_err("%s: Unexpected clock rate %ld", __func__, + to_clk_tegra(hw)->fixed_rate); BUG(); } clk_writel(auto_clock_control, OSC_CTRL); - return c->rate; } -static void tegra30_clk_m_init(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - tegra30_clk_m_autodetect_rate(c); -} +struct clk_ops tegra30_clk_m_ops = { + .init = tegra30_clk_m_init, + .recalc_rate = tegra30_clk_m_recalc_rate, +}; -static int tegra30_clk_m_enable(struct clk *c) +static unsigned long tegra_clk_m_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { - pr_debug("%s on clock %s\n", __func__, c->name); - return 0; -} + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; -static void tegra30_clk_m_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - WARN(1, "Attempting to disable main SoC clock\n"); -} + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } -struct clk_ops tegra30_clk_m_ops = { - .init = tegra30_clk_m_init, - .enable = tegra30_clk_m_enable, - .disable = tegra30_clk_m_disable, -}; + return rate; +} struct clk_ops tegra_clk_m_div_ops = { - .enable = tegra30_clk_m_enable, + .recalc_rate = tegra_clk_m_div_recalc_rate, }; /* PLL reference divider functions */ -static void tegra30_pll_ref_init(struct clk *c) +static unsigned long tegra30_pll_ref_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = parent_rate; u32 pll_ref_div = clk_readl(OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK; - pr_debug("%s on clock %s\n", __func__, c->name); switch (pll_ref_div) { case OSC_CTRL_PLL_REF_DIV_1: @@ -564,13 +581,18 @@ static void tegra30_pll_ref_init(struct clk *c) BUG(); } c->mul = 1; - c->state = ON; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } struct clk_ops tegra_pll_ref_ops = { - .init = tegra30_pll_ref_init, - .enable = tegra30_clk_m_enable, - .disable = tegra30_clk_m_disable, + .recalc_rate = tegra30_pll_ref_recalc_rate, }; /* super clock functions */ @@ -581,56 +603,50 @@ struct clk_ops tegra_pll_ref_ops = { * only when its parent is a fixed rate PLL, since we can't change PLL rate * in this case. */ -static void tegra30_super_clk_init(struct clk *c) +static void tegra30_super_clk_init(struct clk_hw *hw) { - u32 val; - int source; - int shift; - const struct clk_mux_sel *sel; - val = clk_readl(c->reg + SUPER_CLK_MUX); - c->state = ON; - BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && - ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); - shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? - SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - source = (val >> shift) & SUPER_SOURCE_MASK; - if (c->flags & DIV_2) - source |= val & SUPER_LP_DIV2_BYPASS; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->value == source) - break; - } - BUG_ON(sel->input == NULL); - c->parent = sel->input; + struct clk_tegra *c = to_clk_tegra(hw); + struct clk_tegra *p = + to_clk_tegra(__clk_get_hw(__clk_get_parent(hw->clk))); + c->state = ON; if (c->flags & DIV_U71) { /* Init safe 7.1 divider value (does not affect PLLX path) */ clk_writel(SUPER_CLOCK_DIV_U71_MIN << SUPER_CLOCK_DIV_U71_SHIFT, c->reg + SUPER_CLK_DIVIDER); c->mul = 2; c->div = 2; - if (!(c->parent->flags & PLLX)) + if (!(p->flags & PLLX)) c->div += SUPER_CLOCK_DIV_U71_MIN; } else clk_writel(0, c->reg + SUPER_CLK_DIVIDER); } -static int tegra30_super_clk_enable(struct clk *c) +static u8 tegra30_super_clk_get_parent(struct clk_hw *hw) { - return 0; -} + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; + int source; + int shift; -static void tegra30_super_clk_disable(struct clk *c) -{ - /* since tegra 3 has 2 CPU super clocks - low power lp-mode clock and - geared up g-mode super clock - mode switch may request to disable - either of them; accept request with no affect on h/w */ + val = clk_readl(c->reg + SUPER_CLK_MUX); + BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && + ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); + shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? + SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; + source = (val >> shift) & SUPER_SOURCE_MASK; + if (c->flags & DIV_2) + source |= val & SUPER_LP_DIV2_BYPASS; + + return source; } -static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_super_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); + struct clk_tegra *p = + to_clk_tegra(__clk_get_hw(clk_get_parent(hw->clk))); u32 val; - const struct clk_mux_sel *sel; int shift; val = clk_readl(c->reg + SUPER_CLK_MUX); @@ -638,48 +654,36 @@ static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - /* For LP mode super-clock switch between PLLX direct - and divided-by-2 outputs is allowed only when other - than PLLX clock source is current parent */ - if ((c->flags & DIV_2) && (p->flags & PLLX) && - ((sel->value ^ val) & SUPER_LP_DIV2_BYPASS)) { - if (c->parent->flags & PLLX) - return -EINVAL; - val ^= SUPER_LP_DIV2_BYPASS; - clk_writel_delay(val, c->reg); - } - val &= ~(SUPER_SOURCE_MASK << shift); - val |= (sel->value & SUPER_SOURCE_MASK) << shift; - - /* 7.1 divider for CPU super-clock does not affect - PLLX path */ - if (c->flags & DIV_U71) { - u32 div = 0; - if (!(p->flags & PLLX)) { - div = clk_readl(c->reg + - SUPER_CLK_DIVIDER); - div &= SUPER_CLOCK_DIV_U71_MASK; - div >>= SUPER_CLOCK_DIV_U71_SHIFT; - } - c->div = div + 2; - c->mul = 2; - } - if (c->refcnt) - clk_enable(p); - - clk_writel_delay(val, c->reg); - - if (c->refcnt && c->parent) - clk_disable(c->parent); + /* For LP mode super-clock switch between PLLX direct + and divided-by-2 outputs is allowed only when other + than PLLX clock source is current parent */ + if ((c->flags & DIV_2) && (p->flags & PLLX) && + ((index ^ val) & SUPER_LP_DIV2_BYPASS)) { + if (p->flags & PLLX) + return -EINVAL; + val ^= SUPER_LP_DIV2_BYPASS; + clk_writel_delay(val, c->reg); + } + val &= ~(SUPER_SOURCE_MASK << shift); + val |= (index & SUPER_SOURCE_MASK) << shift; - clk_reparent(c, p); - return 0; + /* 7.1 divider for CPU super-clock does not affect + PLLX path */ + if (c->flags & DIV_U71) { + u32 div = 0; + if (!(p->flags & PLLX)) { + div = clk_readl(c->reg + + SUPER_CLK_DIVIDER); + div &= SUPER_CLOCK_DIV_U71_MASK; + div >>= SUPER_CLOCK_DIV_U71_SHIFT; } + c->div = div + 2; + c->mul = 2; } - return -EINVAL; + clk_writel_delay(val, c->reg); + + return 0; } /* @@ -691,10 +695,15 @@ static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) * rate of this PLL can't be changed, and it has many other children. In * this case use 7.1 fractional divider to adjust the super clock rate. */ -static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_super_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - if ((c->flags & DIV_U71) && (c->parent->flags & PLL_FIXED)) { - int div = clk_div71_get_divider(c->parent->u.pll.fixed_rate, + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); + struct clk_tegra *cparent = to_clk_tegra(__clk_get_hw(parent)); + + if ((c->flags & DIV_U71) && (cparent->flags & PLL_FIXED)) { + int div = clk_div71_get_divider(parent_rate, rate, c->flags, ROUND_DIVIDER_DOWN); div = max(div, SUPER_CLOCK_DIV_U71_MIN); @@ -704,55 +713,86 @@ static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) c->mul = 2; return 0; } - return clk_set_rate(c->parent, rate); + return 0; +} + +static unsigned long tegra30_super_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_super_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); + struct clk_tegra *cparent = to_clk_tegra(__clk_get_hw(parent)); + int mul = 2; + int div; + + if ((c->flags & DIV_U71) && (cparent->flags & PLL_FIXED)) { + div = clk_div71_get_divider(*prate, + rate, c->flags, ROUND_DIVIDER_DOWN); + div = max(div, SUPER_CLOCK_DIV_U71_MIN) + 2; + rate = *prate * mul; + rate += div - 1; /* round up */ + do_div(rate, c->div); + + return rate; + } + return *prate; } struct clk_ops tegra30_super_ops = { .init = tegra30_super_clk_init, - .enable = tegra30_super_clk_enable, - .disable = tegra30_super_clk_disable, .set_parent = tegra30_super_clk_set_parent, + .get_parent = tegra30_super_clk_get_parent, + .recalc_rate = tegra30_super_clk_recalc_rate, + .round_rate = tegra30_super_clk_round_rate, .set_rate = tegra30_super_clk_set_rate, }; -static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra30_twd_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { - /* The input value 'rate' is the clock rate of the CPU complex. */ - c->rate = (rate * c->mul) / c->div; - return 0; + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } struct clk_ops tegra30_twd_ops = { - .set_rate = tegra30_twd_clk_set_rate, + .recalc_rate = tegra30_twd_clk_recalc_rate, }; /* Blink output functions */ - -static void tegra30_blink_clk_init(struct clk *c) +static int tegra30_blink_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; val = pmc_readl(PMC_CTRL); c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; - c->mul = 1; - val = pmc_readl(c->reg); - - if (val & PMC_BLINK_TIMER_ENB) { - unsigned int on_off; - - on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & - PMC_BLINK_TIMER_DATA_ON_MASK; - val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; - val &= PMC_BLINK_TIMER_DATA_OFF_MASK; - on_off += val; - /* each tick in the blink timer is 4 32KHz clocks */ - c->div = on_off * 4; - } else { - c->div = 1; - } + return c->state; } -static int tegra30_blink_clk_enable(struct clk *c) +static int tegra30_blink_clk_enable(struct clk_hw *hw) { u32 val; @@ -765,7 +805,7 @@ static int tegra30_blink_clk_enable(struct clk *c) return 0; } -static void tegra30_blink_clk_disable(struct clk *c) +static void tegra30_blink_clk_disable(struct clk_hw *hw) { u32 val; @@ -776,9 +816,11 @@ static void tegra30_blink_clk_disable(struct clk *c) pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); } -static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); + if (rate >= parent_rate) { c->div = 1; pmc_writel(0, c->reg); @@ -801,40 +843,77 @@ static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -struct clk_ops tegra30_blink_clk_ops = { - .init = &tegra30_blink_clk_init, - .enable = &tegra30_blink_clk_enable, - .disable = &tegra30_blink_clk_disable, - .set_rate = &tegra30_blink_clk_set_rate, -}; +static unsigned long tegra30_blink_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val; + u32 mul; + u32 div; + u32 on_off; -/* PLL Functions */ -static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg, - u32 lock_bit) + mul = 1; + val = pmc_readl(c->reg); + + if (val & PMC_BLINK_TIMER_ENB) { + on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & + PMC_BLINK_TIMER_DATA_ON_MASK; + val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; + val &= PMC_BLINK_TIMER_DATA_OFF_MASK; + on_off += val; + /* each tick in the blink timer is 4 32KHz clocks */ + div = on_off * 4; + } else { + div = 1; + } + + if (mul != 0 && div != 0) { + rate *= mul; + rate += div - 1; /* round up */ + do_div(rate, div); + } + return rate; +} + +static long tegra30_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { -#if USE_PLL_LOCK_BITS - int i; - for (i = 0; i < c->u.pll.lock_delay; i++) { - if (clk_readl(lock_reg) & lock_bit) { - udelay(PLL_POST_LOCK_DELAY); - return 0; - } - udelay(2); /* timeout = 2 * lock time */ + int div; + int mul; + long round_rate = *prate; + + mul = 1; + + if (rate >= *prate) { + div = 1; + } else { + div = DIV_ROUND_UP(*prate / 8, rate); + div *= 8; } - pr_err("Timed out waiting for lock bit on pll %s", c->name); - return -1; -#endif - udelay(c->u.pll.lock_delay); - return 0; + round_rate *= mul; + round_rate += div - 1; + do_div(round_rate, div); + + return round_rate; } -static void tegra30_utmi_param_configure(struct clk *c) +struct clk_ops tegra30_blink_clk_ops = { + .is_enabled = &tegra30_blink_clk_is_enabled, + .enable = &tegra30_blink_clk_enable, + .disable = &tegra30_blink_clk_disable, + .recalc_rate = &tegra30_blink_clk_recalc_rate, + .round_rate = &tegra30_blink_clk_round_rate, + .set_rate = &tegra30_blink_clk_set_rate, +}; + +static void tegra30_utmi_param_configure(struct clk_hw *hw) { + unsigned long main_rate = + __clk_get_rate(__clk_get_parent(__clk_get_parent(hw->clk))); u32 reg; int i; - unsigned long main_rate = - clk_get_rate(c->parent->parent); for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { if (main_rate == utmi_parameters[i].osc_frequency) @@ -885,50 +964,52 @@ static void tegra30_utmi_param_configure(struct clk *c) clk_writel(reg, UTMIP_PLL_CFG1); } -static void tegra30_pll_clk_init(struct clk *c) +/* PLL Functions */ +static int tegra30_pll_clk_wait_for_lock(struct clk_tegra *c, u32 lock_reg, + u32 lock_bit) +{ + int ret = 0; + +#if USE_PLL_LOCK_BITS + int i; + for (i = 0; i < c->u.pll.lock_delay; i++) { + if (clk_readl(lock_reg) & lock_bit) { + udelay(PLL_POST_LOCK_DELAY); + return 0; + } + udelay(2); /* timeout = 2 * lock time */ + } + pr_err("Timed out waiting for lock bit on pll %s", + __clk_get_name(hw->clk)); + ret = -1; +#else + udelay(c->u.pll.lock_delay); +#endif + return ret; +} + +static int tegra30_pll_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLL_BASE_ENABLE) ? ON : OFF; + return c->state; +} - if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { - const struct clk_pll_freq_table *sel; - unsigned long input_rate = clk_get_rate(c->parent); - for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { - if (sel->input_rate == input_rate && - sel->output_rate == c->u.pll.fixed_rate) { - c->mul = sel->n; - c->div = sel->m * sel->p; - return; - } - } - pr_err("Clock %s has unknown fixed frequency\n", c->name); - BUG(); - } else if (val & PLL_BASE_BYPASS) { - c->mul = 1; - c->div = 1; - } else { - c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT; - c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT; - if (c->flags & PLLU) - c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2; - else - c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >> - PLL_BASE_DIVP_SHIFT)); - if (c->flags & PLL_FIXED) { - unsigned long rate = clk_get_rate_locked(c); - BUG_ON(rate != c->u.pll.fixed_rate); - } - } +static void tegra30_pll_clk_init(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); if (c->flags & PLLU) - tegra30_utmi_param_configure(c); + tegra30_utmi_param_configure(hw); } -static int tegra30_pll_clk_enable(struct clk *c) +static int tegra30_pll_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); #if USE_PLL_LOCK_BITS val = clk_readl(c->reg + PLL_MISC(c)); @@ -951,10 +1032,11 @@ static int tegra30_pll_clk_enable(struct clk *c) return 0; } -static void tegra30_pll_clk_disable(struct clk *c) +static void tegra30_pll_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); @@ -967,36 +1049,36 @@ static void tegra30_pll_clk_disable(struct clk *c) } } -static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val, p_div, old_base; unsigned long input_rate; const struct clk_pll_freq_table *sel; struct clk_pll_freq_table cfg; - pr_debug("%s: %s %lu\n", __func__, c->name, rate); - if (c->flags & PLL_FIXED) { int ret = 0; if (rate != c->u.pll.fixed_rate) { pr_err("%s: Can not change %s fixed rate %lu to %lu\n", - __func__, c->name, c->u.pll.fixed_rate, rate); + __func__, __clk_get_name(hw->clk), + c->u.pll.fixed_rate, rate); ret = -EINVAL; } return ret; } if (c->flags & PLLM) { - if (rate != clk_get_rate_locked(c)) { + if (rate != __clk_get_rate(hw->clk)) { pr_err("%s: Can not change memory %s rate in flight\n", - __func__, c->name); + __func__, __clk_get_name(hw->clk)); return -EINVAL; } - return 0; } p_div = 0; - input_rate = clk_get_rate(c->parent); + input_rate = parent_rate; /* Check if the target rate is tabulated */ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { @@ -1054,7 +1136,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) (p_div > (PLL_BASE_DIVP_MASK >> PLL_BASE_DIVP_SHIFT)) || (cfg.output_rate > c->u.pll.vco_max)) { pr_err("%s: Failed to set %s out-of-table rate %lu\n", - __func__, c->name, rate); + __func__, __clk_get_name(hw->clk), rate); return -EINVAL; } p_div <<= PLL_BASE_DIVP_SHIFT; @@ -1072,7 +1154,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) return 0; if (c->state == ON) { - tegra30_pll_clk_disable(c); + tegra30_pll_clk_disable(hw); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); } clk_writel(val, c->reg + PLL_BASE); @@ -1094,87 +1176,201 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) } if (c->state == ON) - tegra30_pll_clk_enable(c); + tegra30_pll_clk_enable(hw); + + c->u.pll.fixed_rate = rate; return 0; } -struct clk_ops tegra30_pll_ops = { - .init = tegra30_pll_clk_init, - .enable = tegra30_pll_clk_enable, - .disable = tegra30_pll_clk_disable, - .set_rate = tegra30_pll_clk_set_rate, -}; - -static int -tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +static long tegra30_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { - u32 val, mask, reg; + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long input_rate = *prate; + unsigned long output_rate = *prate; + const struct clk_pll_freq_table *sel; + struct clk_pll_freq_table cfg; + int mul; + int div; + u32 p_div; + u32 val; - switch (p) { - case TEGRA_CLK_PLLD_CSI_OUT_ENB: - mask = PLLD_BASE_CSI_CLKENABLE; - reg = c->reg + PLL_BASE; - break; - case TEGRA_CLK_PLLD_DSI_OUT_ENB: - mask = PLLD_MISC_DSI_CLKENABLE; - reg = c->reg + PLL_MISC(c); - break; - case TEGRA_CLK_PLLD_MIPI_MUX_SEL: - if (!(c->flags & PLL_ALT_MISC_REG)) { - mask = PLLD_BASE_DSIB_MUX_MASK; - reg = c->reg + PLL_BASE; + if (c->flags & PLL_FIXED) + return c->u.pll.fixed_rate; + + if (c->flags & PLLM) + return __clk_get_rate(hw->clk); + + p_div = 0; + /* Check if the target rate is tabulated */ + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == input_rate && sel->output_rate == rate) { + if (c->flags & PLLU) { + BUG_ON(sel->p < 1 || sel->p > 2); + if (sel->p == 1) + p_div = PLLU_BASE_POST_DIV; + } else { + BUG_ON(sel->p < 1); + for (val = sel->p; val > 1; val >>= 1) + p_div++; + p_div <<= PLL_BASE_DIVP_SHIFT; + } break; } - /* fall through - error since PLLD2 does not have MUX_SEL control */ - default: - return -EINVAL; } - val = clk_readl(reg); - if (setting) - val |= mask; - else - val &= ~mask; - clk_writel(val, reg); - return 0; -} + if (sel->input_rate == 0) { + unsigned long cfreq; + BUG_ON(c->flags & PLLU); + sel = &cfg; -struct clk_ops tegra_plld_ops = { - .init = tegra30_pll_clk_init, - .enable = tegra30_pll_clk_enable, - .disable = tegra30_pll_clk_disable, + switch (input_rate) { + case 12000000: + case 26000000: + cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000; + break; + case 13000000: + cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000; + break; + case 16800000: + case 19200000: + cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000; + break; + default: + pr_err("%s: Unexpected reference rate %lu\n", + __func__, input_rate); + BUG(); + } + + /* Raise VCO to guarantee 0.5% accuracy */ + for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq; + cfg.output_rate <<= 1) + p_div++; + + cfg.p = 0x1 << p_div; + cfg.m = input_rate / cfreq; + cfg.n = cfg.output_rate / cfreq; + } + + mul = sel->n; + div = sel->m * sel->p; + + output_rate *= mul; + output_rate += div - 1; /* round up */ + do_div(output_rate, div); + + return output_rate; +} + +static unsigned long tegra30_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val = clk_readl(c->reg + PLL_BASE); + + if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { + const struct clk_pll_freq_table *sel; + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == parent_rate && + sel->output_rate == c->u.pll.fixed_rate) { + c->mul = sel->n; + c->div = sel->m * sel->p; + break; + } + } + pr_err("Clock %s has unknown fixed frequency\n", + __clk_get_name(hw->clk)); + BUG(); + } else if (val & PLL_BASE_BYPASS) { + c->mul = 1; + c->div = 1; + } else { + c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT; + c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT; + if (c->flags & PLLU) + c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2; + else + c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >> + PLL_BASE_DIVP_SHIFT)); + } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +struct clk_ops tegra30_pll_ops = { + .is_enabled = tegra30_pll_clk_is_enabled, + .init = tegra30_pll_clk_init, + .enable = tegra30_pll_clk_enable, + .disable = tegra30_pll_clk_disable, + .recalc_rate = tegra30_pll_recalc_rate, + .round_rate = tegra30_pll_round_rate, .set_rate = tegra30_pll_clk_set_rate, - .clk_cfg_ex = tegra30_plld_clk_cfg_ex, }; -static void tegra30_plle_clk_init(struct clk *c) +int tegra30_plld_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val, mask, reg; + + switch (p) { + case TEGRA_CLK_PLLD_CSI_OUT_ENB: + mask = PLLD_BASE_CSI_CLKENABLE; + reg = c->reg + PLL_BASE; + break; + case TEGRA_CLK_PLLD_DSI_OUT_ENB: + mask = PLLD_MISC_DSI_CLKENABLE; + reg = c->reg + PLL_MISC(c); + break; + case TEGRA_CLK_PLLD_MIPI_MUX_SEL: + if (!(c->flags & PLL_ALT_MISC_REG)) { + mask = PLLD_BASE_DSIB_MUX_MASK; + reg = c->reg + PLL_BASE; + break; + } + /* fall through - error since PLLD2 does not have MUX_SEL control */ + default: + return -EINVAL; + } + + val = clk_readl(reg); + if (setting) + val |= mask; + else + val &= ~mask; + clk_writel(val, reg); + return 0; +} - val = clk_readl(PLLE_AUX); - c->parent = (val & PLLE_AUX_PLLP_SEL) ? - tegra_get_clock_by_name("pll_p") : - tegra_get_clock_by_name("pll_ref"); +static int tegra30_plle_clk_is_enabled(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLLE_BASE_ENABLE) ? ON : OFF; - c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT; - c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT; - c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT; + return c->state; } -static void tegra30_plle_clk_disable(struct clk *c) +static void tegra30_plle_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); val = clk_readl(c->reg + PLL_BASE); val &= ~(PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE); clk_writel(val, c->reg + PLL_BASE); } -static void tegra30_plle_training(struct clk *c) +static void tegra30_plle_training(struct clk_tegra *c) { u32 val; @@ -1197,12 +1393,15 @@ static void tegra30_plle_training(struct clk *c) } while (!(val & PLLE_MISC_READY)); } -static int tegra30_plle_configure(struct clk *c, bool force_training) +static int tegra30_plle_configure(struct clk_hw *hw, bool force_training) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); const struct clk_pll_freq_table *sel; + u32 val; + unsigned long rate = c->u.pll.fixed_rate; - unsigned long input_rate = clk_get_rate(c->parent); + unsigned long input_rate = __clk_get_rate(parent); for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { if (sel->input_rate == input_rate && sel->output_rate == rate) @@ -1213,7 +1412,7 @@ static int tegra30_plle_configure(struct clk *c, bool force_training) return -ENOSYS; /* disable PLLE, clear setup fiels */ - tegra30_plle_clk_disable(c); + tegra30_plle_clk_disable(hw); val = clk_readl(c->reg + PLL_MISC(c)); val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK); @@ -1251,52 +1450,64 @@ static int tegra30_plle_configure(struct clk *c, bool force_training) return 0; } -static int tegra30_plle_clk_enable(struct clk *c) +static int tegra30_plle_clk_enable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); - return tegra30_plle_configure(c, !c->set); + struct clk_tegra *c = to_clk_tegra(hw); + + return tegra30_plle_configure(hw, !c->set); +} + +static unsigned long tegra30_plle_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = parent_rate; + u32 val; + + val = clk_readl(c->reg + PLL_BASE); + c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT; + c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT; + c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } struct clk_ops tegra30_plle_ops = { - .init = tegra30_plle_clk_init, + .is_enabled = tegra30_plle_clk_is_enabled, .enable = tegra30_plle_clk_enable, .disable = tegra30_plle_clk_disable, + .recalc_rate = tegra30_plle_clk_recalc_rate, }; /* Clock divider ops */ -static void tegra30_pll_div_clk_init(struct clk *c) +static int tegra30_pll_div_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + if (c->flags & DIV_U71) { - u32 divu71; u32 val = clk_readl(c->reg); val >>= c->reg_shift; c->state = (val & PLL_OUT_CLKEN) ? ON : OFF; if (!(val & PLL_OUT_RESET_DISABLE)) c->state = OFF; - - divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; - c->div = (divu71 + 2); - c->mul = 2; - } else if (c->flags & DIV_2) { - c->state = ON; - if (c->flags & (PLLD | PLLX)) { - c->div = 2; - c->mul = 1; - } else - BUG(); } else { c->state = ON; - c->div = 1; - c->mul = 1; } + return c->state; } -static int tegra30_pll_div_clk_enable(struct clk *c) +static int tegra30_pll_div_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; - pr_debug("%s: %s\n", __func__, c->name); + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); if (c->flags & DIV_U71) { val = clk_readl(c->reg); new_val = val >> c->reg_shift; @@ -1314,12 +1525,13 @@ static int tegra30_pll_div_clk_enable(struct clk *c) return -EINVAL; } -static void tegra30_pll_div_clk_disable(struct clk *c) +static void tegra30_pll_div_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; - pr_debug("%s: %s\n", __func__, c->name); + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); if (c->flags & DIV_U71) { val = clk_readl(c->reg); new_val = val >> c->reg_shift; @@ -1333,14 +1545,14 @@ static void tegra30_pll_div_clk_disable(struct clk *c) } } -static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_pll_div_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; int divider_u71; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { divider_u71 = clk_div71_get_divider( parent_rate, rate, c->flags, ROUND_DIVIDER_UP); @@ -1358,19 +1570,59 @@ static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate) clk_writel_delay(val, c->reg); c->div = divider_u71 + 2; c->mul = 2; + c->fixed_rate = rate; return 0; } - } else if (c->flags & DIV_2) - return clk_set_rate(c->parent, rate * 2); + } else if (c->flags & DIV_2) { + c->fixed_rate = rate; + return 0; + } return -EINVAL; } -static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) +static unsigned long tegra30_pll_div_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->flags & DIV_U71) { + u32 divu71; + u32 val = clk_readl(c->reg); + val >>= c->reg_shift; + + divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; + c->div = (divu71 + 2); + c->mul = 2; + } else if (c->flags & DIV_2) { + if (c->flags & (PLLD | PLLX)) { + c->div = 2; + c->mul = 1; + } else + BUG(); + } else { + c->div = 1; + c->mul = 1; + } + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_pll_div_clk_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1378,23 +1630,25 @@ static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) if (divider < 0) return divider; return DIV_ROUND_UP(parent_rate * 2, divider + 2); - } else if (c->flags & DIV_2) - /* no rounding - fixed DIV_2 dividers pass rate to parent PLL */ + } else if (c->flags & DIV_2) { + *prate = rate * 2; return rate; + } return -EINVAL; } struct clk_ops tegra30_pll_div_ops = { - .init = tegra30_pll_div_clk_init, + .is_enabled = tegra30_pll_div_clk_is_enabled, .enable = tegra30_pll_div_clk_enable, .disable = tegra30_pll_div_clk_disable, .set_rate = tegra30_pll_div_clk_set_rate, + .recalc_rate = tegra30_pll_div_clk_recalc_rate, .round_rate = tegra30_pll_div_clk_round_rate, }; /* Periph clk ops */ -static inline u32 periph_clk_source_mask(struct clk *c) +static inline u32 periph_clk_source_mask(struct clk_tegra *c) { if (c->flags & MUX8) return 7 << 29; @@ -1408,7 +1662,7 @@ static inline u32 periph_clk_source_mask(struct clk *c) return 3 << 30; } -static inline u32 periph_clk_source_shift(struct clk *c) +static inline u32 periph_clk_source_shift(struct clk_tegra *c) { if (c->flags & MUX8) return 29; @@ -1422,47 +1676,9 @@ static inline u32 periph_clk_source_shift(struct clk *c) return 30; } -static void tegra30_periph_clk_init(struct clk *c) +static int tegra30_periph_clk_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - const struct clk_mux_sel *mux = 0; - const struct clk_mux_sel *sel; - if (c->flags & MUX) { - for (sel = c->inputs; sel->input != NULL; sel++) { - if (((val & periph_clk_source_mask(c)) >> - periph_clk_source_shift(c)) == sel->value) - mux = sel; - } - BUG_ON(!mux); - - c->parent = mux->input; - } else { - c->parent = c->inputs[0].input; - } - - if (c->flags & DIV_U71) { - u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; - if ((c->flags & DIV_U71_UART) && - (!(val & PERIPH_CLK_UART_DIV_ENB))) { - divu71 = 0; - } - if (c->flags & DIV_U71_IDLE) { - val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK << - PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); - val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL << - PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); - clk_writel(val, c->reg); - } - c->div = divu71 + 2; - c->mul = 2; - } else if (c->flags & DIV_U16) { - u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; - c->div = divu16 + 1; - c->mul = 1; - } else { - c->div = 1; - c->mul = 1; - } + struct clk_tegra *c = to_clk_tegra(hw); c->state = ON; if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) @@ -1470,11 +1686,12 @@ static void tegra30_periph_clk_init(struct clk *c) if (!(c->flags & PERIPH_NO_RESET)) if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & PERIPH_CLK_TO_BIT(c)) c->state = OFF; + return c->state; } -static int tegra30_periph_clk_enable(struct clk *c) +static int tegra30_periph_clk_enable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); + struct clk_tegra *c = to_clk_tegra(hw); tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1) @@ -1493,13 +1710,12 @@ static int tegra30_periph_clk_enable(struct clk *c) return 0; } -static void tegra30_periph_clk_disable(struct clk *c) +static void tegra30_periph_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long val; - pr_debug("%s on clock %s\n", __func__, c->name); - if (c->refcnt) - tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) { /* If peripheral is in the APB bus then read the APB bus to @@ -1513,11 +1729,10 @@ static void tegra30_periph_clk_disable(struct clk *c) } } -static void tegra30_periph_clk_reset(struct clk *c, bool assert) +void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long val; - pr_debug("%s %s on clock %s\n", __func__, - assert ? "assert" : "deassert", c->name); if (!(c->flags & PERIPH_NO_RESET)) { if (assert) { @@ -1536,42 +1751,40 @@ static void tegra30_periph_clk_reset(struct clk *c, bool assert) } } -static int tegra30_periph_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_periph_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); if (!(c->flags & MUX)) - return (p == c->parent) ? 0 : (-EINVAL); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~periph_clk_source_mask(c); - val |= (sel->value << periph_clk_source_shift(c)); + return (index == 0) ? 0 : (-EINVAL); - if (c->refcnt) - clk_enable(p); - - clk_writel_delay(val, c->reg); + val = clk_readl(c->reg); + val &= ~periph_clk_source_mask(c); + val |= (index << periph_clk_source_shift(c)); + clk_writel_delay(val, c->reg); + return 0; +} - if (c->refcnt && c->parent) - clk_disable(c->parent); +static u8 tegra30_periph_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source = (val & periph_clk_source_mask(c)) >> + periph_clk_source_shift(c); - clk_reparent(c, p); - return 0; - } - } + if (!(c->flags & MUX)) + return 0; - return -EINVAL; + return source; } -static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_periph_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1610,12 +1823,15 @@ static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static long tegra30_periph_clk_round_rate(struct clk *c, - unsigned long rate) +static long tegra30_periph_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1633,20 +1849,85 @@ static long tegra30_periph_clk_round_rate(struct clk *c, return -EINVAL; } +static unsigned long tegra30_periph_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val = clk_readl(c->reg); + + if (c->flags & DIV_U71) { + u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; + if ((c->flags & DIV_U71_UART) && + (!(val & PERIPH_CLK_UART_DIV_ENB))) { + divu71 = 0; + } + if (c->flags & DIV_U71_IDLE) { + val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK << + PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); + val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL << + PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); + clk_writel(val, c->reg); + } + c->div = divu71 + 2; + c->mul = 2; + } else if (c->flags & DIV_U16) { + u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; + c->div = divu16 + 1; + c->mul = 1; + } else { + c->div = 1; + c->mul = 1; + } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; +} + struct clk_ops tegra30_periph_clk_ops = { - .init = &tegra30_periph_clk_init, + .is_enabled = &tegra30_periph_clk_is_enabled, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, .set_parent = &tegra30_periph_clk_set_parent, + .get_parent = &tegra30_periph_clk_get_parent, + .set_rate = &tegra30_periph_clk_set_rate, + .round_rate = &tegra30_periph_clk_round_rate, + .recalc_rate = &tegra30_periph_clk_recalc_rate, +}; + +static int tegra30_dsib_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk *d = clk_get_sys(NULL, "pll_d"); + /* The DSIB parent selection bit is in PLLD base + register - can not do direct r-m-w, must be + protected by PLLD lock */ + tegra_clk_cfg_ex( + d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, index); + + return 0; +} + +struct clk_ops tegra30_dsib_clk_ops = { + .is_enabled = &tegra30_periph_clk_is_enabled, + .enable = &tegra30_periph_clk_enable, + .disable = &tegra30_periph_clk_disable, + .set_parent = &tegra30_dsib_clk_set_parent, + .get_parent = &tegra30_periph_clk_get_parent, .set_rate = &tegra30_periph_clk_set_rate, .round_rate = &tegra30_periph_clk_round_rate, - .reset = &tegra30_periph_clk_reset, + .recalc_rate = &tegra30_periph_clk_recalc_rate, }; /* Periph extended clock configuration ops */ -static int -tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_vi_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_VI_INP_SEL) { u32 val = clk_readl(c->reg); val &= ~PERIPH_CLK_VI_SEL_EX_MASK; @@ -1658,20 +1939,11 @@ tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_vi_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_vi_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int -tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_nand_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_NAND_PAD_DIV2_ENB) { u32 val = clk_readl(c->reg); if (setting) @@ -1684,20 +1956,11 @@ tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_nand_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_nand_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int -tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_DTV_INVERT) { u32 val = clk_readl(c->reg); if (setting) @@ -1710,91 +1973,27 @@ tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_dtv_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_dtv_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p) -{ - const struct clk_mux_sel *sel; - struct clk *d = tegra_get_clock_by_name("pll_d"); - - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - if (c->refcnt) - clk_enable(p); - - /* The DSIB parent selection bit is in PLLD base - register - can not do direct r-m-w, must be - protected by PLLD lock */ - tegra_clk_cfg_ex( - d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, sel->value); - - if (c->refcnt && c->parent) - clk_disable(c->parent); - - clk_reparent(c, p); - return 0; - } - } - - return -EINVAL; -} - -struct clk_ops tegra_dsib_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_dsib_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .reset = &tegra30_periph_clk_reset, -}; - -/* pciex clock support only reset function */ -struct clk_ops tegra_pciex_clk_ops = { - .reset = tegra30_periph_clk_reset, -}; - /* Output clock ops */ static DEFINE_SPINLOCK(clk_out_lock); -static void tegra30_clk_out_init(struct clk *c) +static int tegra30_clk_out_is_enabled(struct clk_hw *hw) { - const struct clk_mux_sel *mux = 0; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = pmc_readl(c->reg); c->state = (val & (0x1 << c->u.periph.clk_num)) ? ON : OFF; c->mul = 1; c->div = 1; - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (((val & periph_clk_source_mask(c)) >> - periph_clk_source_shift(c)) == sel->value) - mux = sel; - } - BUG_ON(!mux); - c->parent = mux->input; + return c->state; } -static int tegra30_clk_out_enable(struct clk *c) +static int tegra30_clk_out_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); - spin_lock_irqsave(&clk_out_lock, flags); val = pmc_readl(c->reg); val |= (0x1 << c->u.periph.clk_num); @@ -1804,13 +2003,12 @@ static int tegra30_clk_out_enable(struct clk *c) return 0; } -static void tegra30_clk_out_disable(struct clk *c) +static void tegra30_clk_out_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); - spin_lock_irqsave(&clk_out_lock, flags); val = pmc_readl(c->reg); val &= ~(0x1 << c->u.periph.clk_num); @@ -1818,58 +2016,58 @@ static void tegra30_clk_out_disable(struct clk *c) spin_unlock_irqrestore(&clk_out_lock, flags); } -static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p) +static int tegra30_clk_out_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - if (c->refcnt) - clk_enable(p); + spin_lock_irqsave(&clk_out_lock, flags); + val = pmc_readl(c->reg); + val &= ~periph_clk_source_mask(c); + val |= (index << periph_clk_source_shift(c)); + pmc_writel(val, c->reg); + spin_unlock_irqrestore(&clk_out_lock, flags); - spin_lock_irqsave(&clk_out_lock, flags); - val = pmc_readl(c->reg); - val &= ~periph_clk_source_mask(c); - val |= (sel->value << periph_clk_source_shift(c)); - pmc_writel(val, c->reg); - spin_unlock_irqrestore(&clk_out_lock, flags); + return 0; +} - if (c->refcnt && c->parent) - clk_disable(c->parent); +static u8 tegra30_clk_out_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = pmc_readl(c->reg); + int source; - clk_reparent(c, p); - return 0; - } - } - return -EINVAL; + source = (val & periph_clk_source_mask(c)) >> + periph_clk_source_shift(c); + return source; } struct clk_ops tegra_clk_out_ops = { - .init = &tegra30_clk_out_init, + .is_enabled = &tegra30_clk_out_is_enabled, .enable = &tegra30_clk_out_enable, .disable = &tegra30_clk_out_disable, .set_parent = &tegra30_clk_out_set_parent, + .get_parent = &tegra30_clk_out_get_parent, }; /* Clock doubler ops */ -static void tegra30_clk_double_init(struct clk *c) +static int tegra30_clk_double_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - c->mul = val & (0x1 << c->reg_shift) ? 1 : 2; - c->div = 1; + struct clk_tegra *c = to_clk_tegra(hw); + c->state = ON; if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) c->state = OFF; + return c->state; }; -static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) +static int tegra30_clk_double_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - unsigned long parent_rate = clk_get_rate(c->parent); + if (rate == parent_rate) { val = clk_readl(c->reg) | (0x1 << c->reg_shift); clk_writel(val, c->reg); @@ -1886,108 +2084,137 @@ static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } +static unsigned long tegra30_clk_double_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + u32 val = clk_readl(c->reg); + c->mul = val & (0x1 << c->reg_shift) ? 1 : 2; + c->div = 1; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_clk_double_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long output_rate = *prate; + + do_div(output_rate, 2); + return output_rate; +} + struct clk_ops tegra30_clk_double_ops = { - .init = &tegra30_clk_double_init, + .is_enabled = &tegra30_clk_double_is_enabled, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, + .recalc_rate = &tegra30_clk_double_recalc_rate, + .round_rate = &tegra30_clk_double_round_rate, .set_rate = &tegra30_clk_double_set_rate, }; /* Audio sync clock ops */ -static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate) -{ - c->rate = rate; - return 0; -} - struct clk_ops tegra_sync_source_ops = { - .set_rate = &tegra30_sync_source_set_rate, + .recalc_rate = &tegra30_clk_fixed_recalc_rate, }; -static void tegra30_audio_sync_clk_init(struct clk *c) +static int tegra30_audio_sync_clk_is_enabled(struct clk_hw *hw) { - int source; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); c->state = (val & AUDIO_SYNC_DISABLE_BIT) ? OFF : ON; - source = val & AUDIO_SYNC_SOURCE_MASK; - for (sel = c->inputs; sel->input != NULL; sel++) - if (sel->value == source) - break; - BUG_ON(sel->input == NULL); - c->parent = sel->input; + return c->state; } -static int tegra30_audio_sync_clk_enable(struct clk *c) +static int tegra30_audio_sync_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); clk_writel((val & (~AUDIO_SYNC_DISABLE_BIT)), c->reg); return 0; } -static void tegra30_audio_sync_clk_disable(struct clk *c) +static void tegra30_audio_sync_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); clk_writel((val | AUDIO_SYNC_DISABLE_BIT), c->reg); } -static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_audio_sync_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~AUDIO_SYNC_SOURCE_MASK; - val |= sel->value; - - if (c->refcnt) - clk_enable(p); - clk_writel(val, c->reg); + val = clk_readl(c->reg); + val &= ~AUDIO_SYNC_SOURCE_MASK; + val |= index; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); + return 0; +} - clk_reparent(c, p); - return 0; - } - } +static u8 tegra30_audio_sync_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source; - return -EINVAL; + source = val & AUDIO_SYNC_SOURCE_MASK; + return source; } struct clk_ops tegra30_audio_sync_clk_ops = { - .init = tegra30_audio_sync_clk_init, - .enable = tegra30_audio_sync_clk_enable, - .disable = tegra30_audio_sync_clk_disable, - .set_parent = tegra30_audio_sync_clk_set_parent, + .is_enabled = tegra30_audio_sync_clk_is_enabled, + .enable = tegra30_audio_sync_clk_enable, + .disable = tegra30_audio_sync_clk_disable, + .set_parent = tegra30_audio_sync_clk_set_parent, + .get_parent = tegra30_audio_sync_clk_get_parent, }; /* cml0 (pcie), and cml1 (sata) clock ops */ -static void tegra30_cml_clk_init(struct clk *c) +static int tegra30_cml_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); c->state = val & (0x1 << c->u.periph.clk_num) ? ON : OFF; + return c->state; } -static int tegra30_cml_clk_enable(struct clk *c) +static int tegra30_cml_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); val |= (0x1 << c->u.periph.clk_num); clk_writel(val, c->reg); + return 0; } -static void tegra30_cml_clk_disable(struct clk *c) +static void tegra30_cml_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); val &= ~(0x1 << c->u.periph.clk_num); clk_writel(val, c->reg); } struct clk_ops tegra_cml_clk_ops = { - .init = &tegra30_cml_clk_init, - .enable = &tegra30_cml_clk_enable, - .disable = &tegra30_cml_clk_disable, + .is_enabled = &tegra30_cml_clk_is_enabled, + .enable = &tegra30_cml_clk_enable, + .disable = &tegra30_cml_clk_disable, +}; + +struct clk_ops tegra_pciex_clk_ops = { + .recalc_rate = &tegra30_clk_fixed_recalc_rate, }; diff --git a/arch/arm/mach-tegra/tegra30_clocks.h b/arch/arm/mach-tegra/tegra30_clocks.h index f8c4df5..aeb4e96 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.h +++ b/arch/arm/mach-tegra/tegra30_clocks.h @@ -17,6 +17,7 @@ #ifndef __MACH_TEGRA30_CLOCK_H #define __MACH_TEGRA30_CLOCK_H +extern struct clk_ops tegra_clk_32k_ops; extern struct clk_ops tegra30_clk_m_ops; extern struct clk_ops tegra_clk_m_div_ops; extern struct clk_ops tegra_pll_ref_ops; @@ -27,17 +28,26 @@ extern struct clk_ops tegra30_plle_ops; extern struct clk_ops tegra_cml_clk_ops; extern struct clk_ops tegra_pciex_clk_ops; extern struct clk_ops tegra_sync_source_ops; -extern struct clk_ops tegra30_audio_sync_clk_ops; +extern struct clk_ops tegra_audio_sync_clk_ops; extern struct clk_ops tegra30_clk_double_ops; extern struct clk_ops tegra_clk_out_ops; extern struct clk_ops tegra30_super_ops; extern struct clk_ops tegra30_blink_clk_ops; extern struct clk_ops tegra30_twd_ops; extern struct clk_ops tegra30_periph_clk_ops; -extern struct clk_ops tegra_dsib_clk_ops; +extern struct clk_ops tegra30_dsib_clk_ops; extern struct clk_ops tegra_nand_clk_ops; extern struct clk_ops tegra_vi_clk_ops; extern struct clk_ops tegra_dtv_clk_ops; extern struct clk_ops tegra_clk_shared_bus_ops; +int tegra30_plld_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert); +int tegra30_vi_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +int tegra30_nand_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); #endif diff --git a/arch/arm/mach-tegra/tegra30_clocks_data.c b/arch/arm/mach-tegra/tegra30_clocks_data.c index bf25a38..058e72f 100644 --- a/arch/arm/mach-tegra/tegra30_clocks_data.c +++ b/arch/arm/mach-tegra/tegra30_clocks_data.c @@ -1,7 +1,7 @@ /* - * arch/arm/mach-tegra/tegra30_clocks_data.c + * arch/arm/mach-tegra/tegra30_clocks.c * - * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,6 +18,7 @@ * */ +#include <linux/clk-private.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> @@ -28,69 +29,165 @@ #include <linux/clk.h> #include <linux/cpufreq.h> -#include <asm/clkdev.h> - -#include <mach/iomap.h> - #include "clock.h" #include "fuse.h" #include "tegra30_clocks.h" -/* Clock definitions */ +#define DEFINE_CLK_TEGRA(_name, _rate, _ops, _flags, \ + _parent_names, _parents, _parent) \ + static struct clk tegra_##_name = { \ + .hw = &tegra_##_name##_hw.hw, \ + .name = #_name, \ + .rate = _rate, \ + .ops = _ops, \ + .flags = _flags, \ + .parent_names = _parent_names, \ + .parents = _parents, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .parent = _parent, \ + }; + +static struct clk tegra_clk_32k; +static struct clk_tegra tegra_clk_32k_hw = { + .hw = { + .clk = &tegra_clk_32k, + }, + .fixed_rate = 32768, +}; static struct clk tegra_clk_32k = { .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, + .hw = &tegra_clk_32k_hw.hw, + .ops = &tegra_clk_32k_ops, + .flags = CLK_IS_ROOT, }; -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra30_clk_m_ops, - .reg = 0x1fc, +static struct clk tegra_clk_m; +static struct clk_tegra tegra_clk_m_hw = { + .hw = { + .clk = &tegra_clk_m, + }, + .flags = ENABLE_ON_INIT, + .reg = 0x1fc, .reg_shift = 28, - .max_rate = 48000000, + .max_rate = 48000000, +}; +static struct clk tegra_clk_m = { + .name = "clk_m", + .hw = &tegra_clk_m_hw.hw, + .ops = &tegra30_clk_m_ops, + .flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED, }; -static struct clk tegra_clk_m_div2 = { - .name = "clk_m_div2", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 2, - .state = ON, - .max_rate = 24000000, +static const char *clk_m_div_parent_names[] = { + "clk_m", }; -static struct clk tegra_clk_m_div4 = { - .name = "clk_m_div4", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 4, - .state = ON, - .max_rate = 12000000, +static struct clk *clk_m_div_parents[] = { + &tegra_clk_m, }; -static struct clk tegra_pll_ref = { - .name = "pll_ref", - .flags = ENABLE_ON_INIT, - .ops = &tegra_pll_ref_ops, - .parent = &tegra_clk_m, - .max_rate = 26000000, +static struct clk tegra_clk_m_div2; +static struct clk_tegra tegra_clk_m_div2_hw = { + .hw = { + .clk = &tegra_clk_m_div2, + }, + .mul = 1, + .div = 2, + .max_rate = 24000000, +}; +DEFINE_CLK_TEGRA(clk_m_div2, 0, &tegra_clk_m_div_ops, 0, + clk_m_div_parent_names, clk_m_div_parents, &tegra_clk_m); + +static struct clk tegra_clk_m_div4; +static struct clk_tegra tegra_clk_m_div4_hw = { + .hw = { + .clk = &tegra_clk_m_div4, + }, + .mul = 1, + .div = 4, + .max_rate = 12000000, }; +DEFINE_CLK_TEGRA(clk_m_div4, 0, &tegra_clk_m_div_ops, 0, + clk_m_div_parent_names, clk_m_div_parents, &tegra_clk_m); + +static struct clk tegra_pll_ref; +static struct clk_tegra tegra_pll_ref_hw = { + .hw = { + .clk = &tegra_pll_ref, + }, + .flags = ENABLE_ON_INIT, + .max_rate = 26000000, +}; +DEFINE_CLK_TEGRA(pll_ref, 0, &tegra_pll_ref_ops, 0, clk_m_div_parent_names, + clk_m_div_parents, &tegra_clk_m); + +#define DEFINE_PLL(_name, _flags, _reg, _max_rate, _input_min, \ + _input_max, _cf_min, _cf_max, _vco_min, \ + _vco_max, _freq_table, _lock_delay, _ops, \ + _fixed_rate, _clk_cfg_ex, _parent) \ + static struct clk tegra_##_name; \ + static const char *_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .u.pll = { \ + .input_min = _input_min, \ + .input_max = _input_max, \ + .cf_min = _cf_min, \ + .cf_max = _cf_max, \ + .vco_min = _vco_min, \ + .vco_max = _vco_max, \ + .freq_table = _freq_table, \ + .lock_delay = _lock_delay, \ + .fixed_rate = _fixed_rate, \ + }, \ + .clk_cfg_ex = _clk_cfg_ex, \ + }; \ + DEFINE_CLK_TEGRA(_name, 0, &_ops, CLK_IGNORE_UNUSED, \ + _name##_parent_names, _name##_parents, \ + &tegra_##_parent); + +#define DEFINE_PLL_OUT(_name, _flags, _reg, _reg_shift, \ + _max_rate, _ops, _parent, _clk_flags) \ + static const char *_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .reg_shift = _reg_shift, \ + }; \ + DEFINE_CLK_TEGRA(_name, 0, &tegra30_pll_div_ops, \ + _clk_flags, _name##_parent_names, \ + _name##_parents, &tegra_##_parent); static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 1040000000, 520, 6, 1, 8}, { 13000000, 1040000000, 480, 6, 1, 8}, - { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ + { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ { 19200000, 1040000000, 325, 6, 1, 6}, { 26000000, 1040000000, 520, 13, 1, 8}, { 12000000, 832000000, 416, 6, 1, 8}, { 13000000, 832000000, 832, 13, 1, 8}, - { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ + { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ { 19200000, 832000000, 260, 6, 1, 8}, { 26000000, 832000000, 416, 13, 1, 8}, @@ -108,46 +205,24 @@ static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 520000000, 520, 12, 1, 8}, { 13000000, 520000000, 520, 13, 1, 8}, - { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ + { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ { 19200000, 520000000, 325, 12, 1, 6}, { 26000000, 520000000, 520, 26, 1, 8}, { 12000000, 416000000, 416, 12, 1, 8}, { 13000000, 416000000, 416, 13, 1, 8}, - { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ + { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ { 19200000, 416000000, 260, 12, 1, 6}, { 26000000, 416000000, 416, 26, 1, 8}, { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0x80, - .parent = &tegra_pll_ref, - .max_rate = 1400000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_c, PLL_HAS_CPCON, 0x80, 1400000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_c_freq_table, 300, + tegra30_pll_ops, 0, NULL, pll_ref); -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 700000000, -}; +DEFINE_PLL_OUT(pll_c_out1, DIV_U71, 0x84, 0, 700000000, + tegra30_pll_div_ops, pll_c, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 12000000, 666000000, 666, 12, 1, 8}, @@ -163,34 +238,12 @@ static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON | PLLM, - .ops = &tegra30_pll_ops, - .reg = 0x90, - .parent = &tegra_pll_ref, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_m, PLL_HAS_CPCON | PLLM, 0x90, 800000000, 2000000, 31000000, + 1000000, 6000000, 20000000, 1200000000, tegra_pll_m_freq_table, + 300, tegra30_pll_ops, 0, NULL, pll_ref); -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_m_out1, DIV_U71, 0x94, 0, 600000000, + tegra30_pll_div_ops, pll_m, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 12000000, 216000000, 432, 12, 2, 8}, @@ -201,65 +254,19 @@ static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0xa0, - .parent = &tegra_pll_ref, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - .fixed_rate = 408000000, - }, -}; +DEFINE_PLL(pll_p, ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, 0xa0, 432000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1400000000, + tegra_pll_p_freq_table, 300, tegra30_pll_ops, 408000000, NULL, + pll_ref); -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; +DEFINE_PLL_OUT(pll_p_out1, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, + 0, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out2, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, + 16, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out3, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, + 0, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out4, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, + 16, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 9600000, 564480000, 294, 5, 1, 4}, @@ -272,34 +279,12 @@ static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_a, PLL_HAS_CPCON, 0xb0, 700000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_a_freq_table, + 300, tegra30_pll_ops, 0, NULL, pll_p_out1); -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 100000000, -}; +DEFINE_PLL_OUT(pll_a_out0, DIV_U71, 0xb4, 0, 100000000, tegra30_pll_div_ops, + pll_a, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 12000000, 216000000, 216, 12, 1, 4}, @@ -322,59 +307,20 @@ static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_plld_ops, - .reg = 0xd0, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_d, PLL_HAS_CPCON | PLLD, 0xd0, 1000000000, 2000000, 40000000, + 1000000, 6000000, 40000000, 1000000000, tegra_pll_d_freq_table, + 1000, tegra30_pll_ops, 0, tegra30_plld_clk_cfg_ex, pll_ref); -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk tegra_pll_d2 = { - .name = "pll_d2", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, - .ops = &tegra_plld_ops, - .reg = 0x4b8, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL_OUT(pll_d_out0, DIV_2 | PLLD, 0, 0, 500000000, tegra30_pll_div_ops, + pll_d, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); -static struct clk tegra_pll_d2_out0 = { - .name = "pll_d2_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d2, - .max_rate = 500000000, -}; +DEFINE_PLL(pll_d2, PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, 0x4b8, 1000000000, + 2000000, 40000000, 1000000, 6000000, 40000000, 1000000000, + tegra_pll_d_freq_table, 1000, tegra30_pll_ops, 0, NULL, + pll_ref); + +DEFINE_PLL_OUT(pll_d2_out0, DIV_2 | PLLD, 0, 0, 500000000, tegra30_pll_div_ops, + pll_d2, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 12000000, 480000000, 960, 12, 2, 12}, @@ -385,24 +331,9 @@ static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLL_HAS_CPCON | PLLU, - .ops = &tegra30_pll_ops, - .reg = 0xc0, - .parent = &tegra_pll_ref, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_u, PLL_HAS_CPCON | PLLU, 0xc0, 480000000, 2000000, 40000000, + 1000000, 6000000, 48000000, 960000000, tegra_pll_u_freq_table, + 1000, tegra30_pll_ops, 0, NULL, pll_ref); static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { /* 1.7 GHz */ @@ -464,33 +395,12 @@ static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, - .ops = &tegra30_pll_ops, - .reg = 0xe0, - .parent = &tegra_pll_ref, - .max_rate = 1700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1700000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_x_out0 = { - .name = "pll_x_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLX, - .parent = &tegra_pll_x, - .max_rate = 850000000, -}; +DEFINE_PLL(pll_x, PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, 0xe0, 1700000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1700000000, + tegra_pll_x_freq_table, 300, tegra30_pll_ops, 0, NULL, pll_ref); +DEFINE_PLL_OUT(pll_x_out0, DIV_2 | PLLX, 0, 0, 850000000, tegra30_pll_div_ops, + pll_x, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { /* PLLE special case: use cpcon field to store cml divider value */ @@ -499,518 +409,835 @@ static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra30_plle_ops, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 216000000, - .cf_min = 12000000, - .cf_max = 12000000, - .vco_min = 1200000000, - .vco_max = 2400000000U, - .freq_table = tegra_pll_e_freq_table, - .lock_delay = 300, - .fixed_rate = 100000000, - }, +DEFINE_PLL(pll_e, PLL_ALT_MISC_REG, 0xe8, 100000000, 2000000, 216000000, + 12000000, 12000000, 1200000000, 2400000000U, + tegra_pll_e_freq_table, 300, tegra30_plle_ops, 100000000, NULL, + pll_ref); + +static const char *mux_plle[] = { + "pll_e", +}; + +static struct clk *mux_plle_p[] = { + &tegra_pll_e, }; -static struct clk tegra_cml0_clk = { - .name = "cml0", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = 0x48c, - .max_rate = 100000000, - .u.periph = { +static struct clk tegra_cml0; +static struct clk_tegra tegra_cml0_hw = { + .hw = { + .clk = &tegra_cml0, + }, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { .clk_num = 0, }, }; +DEFINE_CLK_TEGRA(cml0, 0, &tegra_cml_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -static struct clk tegra_cml1_clk = { - .name = "cml1", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = 0x48c, - .max_rate = 100000000, - .u.periph = { - .clk_num = 1, +static struct clk tegra_cml1; +static struct clk_tegra tegra_cml1_hw = { + .hw = { + .clk = &tegra_cml1, + }, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 1, }, }; +DEFINE_CLK_TEGRA(cml1, 0, &tegra_cml_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -static struct clk tegra_pciex_clk = { - .name = "pciex", - .parent = &tegra_pll_e, - .ops = &tegra_pciex_clk_ops, - .max_rate = 100000000, - .u.periph = { - .clk_num = 74, +static struct clk tegra_pciex; +static struct clk_tegra tegra_pciex_hw = { + .hw = { + .clk = &tegra_pciex, + }, + .reg = 0x48c, + .max_rate = 100000000, + .reset = tegra30_periph_clk_reset, + .u.periph = { + .clk_num = 74, }, }; +DEFINE_CLK_TEGRA(pciex, 0, &tegra_pciex_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -/* Audio sync clocks */ -#define SYNC_SOURCE(_id) \ - { \ - .name = #_id "_sync", \ - .rate = 24000000, \ - .max_rate = 24000000, \ - .ops = &tegra_sync_source_ops \ - } -static struct clk tegra_sync_source_list[] = { - SYNC_SOURCE(spdif_in), - SYNC_SOURCE(i2s0), - SYNC_SOURCE(i2s1), - SYNC_SOURCE(i2s2), - SYNC_SOURCE(i2s3), - SYNC_SOURCE(i2s4), - SYNC_SOURCE(vimclk), -}; - -static struct clk_mux_sel mux_audio_sync_clk[] = { - { .input = &tegra_sync_source_list[0], .value = 0}, - { .input = &tegra_sync_source_list[1], .value = 1}, - { .input = &tegra_sync_source_list[2], .value = 2}, - { .input = &tegra_sync_source_list[3], .value = 3}, - { .input = &tegra_sync_source_list[4], .value = 4}, - { .input = &tegra_sync_source_list[5], .value = 5}, - { .input = &tegra_pll_a_out0, .value = 6}, - { .input = &tegra_sync_source_list[6], .value = 7}, - { 0, 0 } -}; - -#define AUDIO_SYNC_CLK(_id, _index) \ - { \ - .name = #_id, \ - .inputs = mux_audio_sync_clk, \ - .reg = 0x4A0 + (_index) * 4, \ - .max_rate = 24000000, \ - .ops = &tegra30_audio_sync_clk_ops \ - } -static struct clk tegra_clk_audio_list[] = { - AUDIO_SYNC_CLK(audio0, 0), - AUDIO_SYNC_CLK(audio1, 1), - AUDIO_SYNC_CLK(audio2, 2), - AUDIO_SYNC_CLK(audio3, 3), - AUDIO_SYNC_CLK(audio4, 4), - AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ -}; - -#define AUDIO_SYNC_2X_CLK(_id, _index) \ - { \ - .name = #_id "_2x", \ - .flags = PERIPH_NO_RESET, \ - .max_rate = 48000000, \ - .ops = &tegra30_clk_double_ops, \ - .reg = 0x49C, \ +#define SYNC_SOURCE(_name) \ + static struct clk tegra_##_name##_sync; \ + static struct clk_tegra tegra_##_name##_sync_hw = { \ + .hw = { \ + .clk = &tegra_##_name##_sync, \ + }, \ + .max_rate = 24000000, \ + .fixed_rate = 24000000, \ + }; \ + static struct clk tegra_##_name##_sync = { \ + .name = #_name "_sync", \ + .hw = &tegra_##_name##_sync_hw.hw, \ + .ops = &tegra_sync_source_ops, \ + .flags = CLK_IS_ROOT, \ + }; + +SYNC_SOURCE(spdif_in); +SYNC_SOURCE(i2s0); +SYNC_SOURCE(i2s1); +SYNC_SOURCE(i2s2); +SYNC_SOURCE(i2s3); +SYNC_SOURCE(i2s4); +SYNC_SOURCE(vimclk); + +static struct clk *tegra_sync_source_list[] = { + &tegra_spdif_in_sync, + &tegra_i2s0_sync, + &tegra_i2s1_sync, + &tegra_i2s2_sync, + &tegra_i2s3_sync, + &tegra_i2s4_sync, + &tegra_vimclk_sync, +}; + +static const char *mux_audio_sync_clk[] = { + "spdif_in_sync", + "i2s0_sync", + "i2s1_sync", + "i2s2_sync", + "i2s3_sync", + "i2s4_sync", + "vimclk_sync", +}; + +#define AUDIO_SYNC_CLK(_name, _index) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .max_rate = 24000000, \ + .reg = 0x4A0 + (_index) * 4, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_audio_sync_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = mux_audio_sync_clk, \ + .parents = tegra_sync_source_list, \ + .num_parents = ARRAY_SIZE(mux_audio_sync_clk), \ + }; + +AUDIO_SYNC_CLK(audio0, 0); +AUDIO_SYNC_CLK(audio1, 1); +AUDIO_SYNC_CLK(audio2, 2); +AUDIO_SYNC_CLK(audio3, 3); +AUDIO_SYNC_CLK(audio4, 4); +AUDIO_SYNC_CLK(audio5, 5); + +static struct clk *tegra_clk_audio_list[] = { + &tegra_audio0, + &tegra_audio1, + &tegra_audio2, + &tegra_audio3, + &tegra_audio4, + &tegra_audio5, /* SPDIF */ +}; + +#define AUDIO_SYNC_2X_CLK(_name, _index) \ + static const char *_name##_parent_names[] = { \ + "tegra_" #_name, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_name, \ + }; \ + static struct clk tegra_##_name##_2x; \ + static struct clk_tegra tegra_##_name##_2x_hw = { \ + .hw = { \ + .clk = &tegra_##_name##_2x, \ + }, \ + .flags = PERIPH_NO_RESET, \ + .max_rate = 48000000, \ + .reg = 0x49C, \ .reg_shift = 24 + (_index), \ - .parent = &tegra_clk_audio_list[(_index)], \ .u.periph = { \ .clk_num = 113 + (_index), \ }, \ - } -static struct clk tegra_clk_audio_2x_list[] = { - AUDIO_SYNC_2X_CLK(audio0, 0), - AUDIO_SYNC_2X_CLK(audio1, 1), - AUDIO_SYNC_2X_CLK(audio2, 2), - AUDIO_SYNC_2X_CLK(audio3, 3), - AUDIO_SYNC_2X_CLK(audio4, 4), - AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ -}; - -#define MUX_I2S_SPDIF(_id, _index) \ -static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ - {.input = &tegra_pll_a_out0, .value = 0}, \ - {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ - {.input = &tegra_pll_p, .value = 2}, \ - {.input = &tegra_clk_m, .value = 3}, \ - { 0, 0}, \ -} -MUX_I2S_SPDIF(audio0, 0); -MUX_I2S_SPDIF(audio1, 1); -MUX_I2S_SPDIF(audio2, 2); -MUX_I2S_SPDIF(audio3, 3); -MUX_I2S_SPDIF(audio4, 4); -MUX_I2S_SPDIF(audio, 5); /* SPDIF */ + }; \ + static struct clk tegra_##_name##_2x = { \ + .name = #_name "_2x", \ + .ops = &tegra30_clk_double_ops, \ + .hw = &tegra_##_name##_2x_hw.hw, \ + .parent_names = _name##_parent_names, \ + .parents = _name##_parents, \ + .parent = &tegra_##_name, \ + .num_parents = 1, \ + }; + +AUDIO_SYNC_2X_CLK(audio0, 0); +AUDIO_SYNC_2X_CLK(audio1, 1); +AUDIO_SYNC_2X_CLK(audio2, 2); +AUDIO_SYNC_2X_CLK(audio3, 3); +AUDIO_SYNC_2X_CLK(audio4, 4); +AUDIO_SYNC_2X_CLK(audio5, 5); /* SPDIF */ + +static struct clk *tegra_clk_audio_2x_list[] = { + &tegra_audio0_2x, + &tegra_audio1_2x, + &tegra_audio2_2x, + &tegra_audio3_2x, + &tegra_audio4_2x, + &tegra_audio5_2x, /* SPDIF */ +}; + +#define MUX_I2S_SPDIF(_id) \ +static const char *mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ + "pll_a_out0", \ + #_id "_2x", \ + "pll_p", \ + "clk_m", \ +}; \ +static struct clk *mux_pllaout0_##_id##_2x_pllp_clkm_p[] = { \ + &tegra_pll_a_out0, \ + &tegra_##_id##_2x, \ + &tegra_pll_p, \ + &tegra_clk_m, \ +}; + +MUX_I2S_SPDIF(audio0); +MUX_I2S_SPDIF(audio1); +MUX_I2S_SPDIF(audio2); +MUX_I2S_SPDIF(audio3); +MUX_I2S_SPDIF(audio4); +MUX_I2S_SPDIF(audio5); /* SPDIF */ + +static struct clk tegra_extern1; +static struct clk tegra_extern2; +static struct clk tegra_extern3; /* External clock outputs (through PMC) */ -#define MUX_EXTERN_OUT(_id) \ -static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ - {.input = &tegra_clk_m, .value = 0}, \ - {.input = &tegra_clk_m_div2, .value = 1}, \ - {.input = &tegra_clk_m_div4, .value = 2}, \ - {.input = NULL, .value = 3}, /* placeholder */ \ - { 0, 0}, \ -} +#define MUX_EXTERN_OUT(_id) \ +static const char *mux_clkm_clkm2_clkm4_extern##_id[] = { \ + "clk_m", \ + "clk_m_div2", \ + "clk_m_div4", \ + "extern" #_id, \ +}; \ +static struct clk *mux_clkm_clkm2_clkm4_extern##_id##_p[] = { \ + &tegra_clk_m, \ + &tegra_clk_m_div2, \ + &tegra_clk_m_div4, \ + &tegra_extern##_id, \ +}; + MUX_EXTERN_OUT(1); MUX_EXTERN_OUT(2); MUX_EXTERN_OUT(3); -static struct clk_mux_sel *mux_extern_out_list[] = { - mux_clkm_clkm2_clkm4_extern1, - mux_clkm_clkm2_clkm4_extern2, - mux_clkm_clkm2_clkm4_extern3, +#define CLK_OUT_CLK(_name, _index) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .lookup = { \ + .dev_id = #_name, \ + .con_id = "extern" #_index, \ + }, \ + .flags = MUX_CLK_OUT, \ + .max_rate = 216000000, \ + .reg = 0x1a8, \ + .u.periph = { \ + .clk_num = (_index - 1) * 8 + 2, \ + }, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_clk_out_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = mux_clkm_clkm2_clkm4_extern##_index, \ + .parents = mux_clkm_clkm2_clkm4_extern##_index##_p, \ + .num_parents = ARRAY_SIZE(mux_clkm_clkm2_clkm4_extern##_index),\ + }; + +CLK_OUT_CLK(clk_out_1, 1); +CLK_OUT_CLK(clk_out_2, 2); +CLK_OUT_CLK(clk_out_3, 3); + +static struct clk *tegra_clk_out_list[] = { + &tegra_clk_out_1, + &tegra_clk_out_2, + &tegra_clk_out_3, +}; + +static const char *mux_sclk[] = { + "clk_m", + "pll_c_out1", + "pll_p_out4", + "pll_p_out3", + "pll_p_out2", + "dummy", + "clk_32k", + "pll_m_out1", +}; + +static struct clk *mux_sclk_p[] = { + &tegra_clk_m, + &tegra_pll_c_out1, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_pll_p_out2, + NULL, + &tegra_clk_32k, + &tegra_pll_m_out1, }; -#define CLK_OUT_CLK(_id) \ - { \ - .name = "clk_out_" #_id, \ - .lookup = { \ - .dev_id = "clk_out_" #_id, \ - .con_id = "extern" #_id, \ - }, \ - .ops = &tegra_clk_out_ops, \ - .reg = 0x1a8, \ - .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ - .flags = MUX_CLK_OUT, \ - .max_rate = 216000000, \ - .u.periph = { \ - .clk_num = (_id - 1) * 8 + 2, \ - }, \ - } -static struct clk tegra_clk_out_list[] = { - CLK_OUT_CLK(1), - CLK_OUT_CLK(2), - CLK_OUT_CLK(3), +static struct clk tegra_clk_sclk; +static struct clk_tegra tegra_clk_sclk_hw = { + .hw = { + .clk = &tegra_clk_sclk, + }, + .reg = 0x28, + .max_rate = 334000000, + .min_rate = 40000000, }; -/* called after peripheral external clocks are initialized */ -static void init_clk_out_mux(void) -{ - int i; - struct clk *c; - - /* output clock con_id is the name of peripheral - external clock connected to input 3 of the output mux */ - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { - c = tegra_get_clock_by_name( - tegra_clk_out_list[i].lookup.con_id); - if (!c) - pr_err("%s: could not find clk %s\n", __func__, - tegra_clk_out_list[i].lookup.con_id); - mux_extern_out_list[i][3].input = c; - } -} +static struct clk tegra_clk_sclk = { + .name = "sclk", + .ops = &tegra30_super_ops, + .hw = &tegra_clk_sclk_hw.hw, + .parent_names = mux_sclk, + .parents = mux_sclk_p, + .num_parents = ARRAY_SIZE(mux_sclk), +}; -/* Peripheral muxes */ -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { 0, 0}, +static const char *mux_blink[] = { + "clk_32k", }; -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra30_super_ops, - .max_rate = 334000000, - .min_rate = 40000000, +static struct clk *mux_blink_p[] = { + &tegra_clk_32k, }; +static struct clk tegra_clk_blink; +static struct clk_tegra tegra_clk_blink_hw = { + .hw = { + .clk = &tegra_clk_blink, + }, + .reg = 0x40, + .max_rate = 32768, +}; static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra30_blink_clk_ops, - .max_rate = 32768, + .name = "blink", + .ops = &tegra30_blink_clk_ops, + .hw = &tegra_clk_blink_hw.hw, + .parent = &tegra_clk_32k, + .parent_names = mux_blink, + .parents = mux_blink_p, + .num_parents = ARRAY_SIZE(mux_blink), }; -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { 0, 0}, +static const char *mux_pllm_pllc_pllp_plla[] = { + "pll_m", + "pll_c", + "pll_p", + "pll_a_out0", }; -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_pllm_clkm[] = { + "pll_p", + "pll_c", + "pll_m", + "clk_m", }; -static struct clk_mux_sel mux_pllp_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_clkm[] = { + "pll_p", + "dummy", + "dummy", + "clk_m", }; -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_plld_pllc_clkm[] = { + "pll_p", + "pll_d_out0", + "pll_c", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_m, .value = 1}, - {.input = &tegra_pll_d_out0, .value = 2}, - {.input = &tegra_pll_a_out0, .value = 3}, - {.input = &tegra_pll_c, .value = 4}, - {.input = &tegra_pll_d2_out0, .value = 5}, - {.input = &tegra_clk_m, .value = 6}, - { 0, 0}, +static const char *mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { + "pll_p", + "pll_m", + "pll_d_out0", + "pll_a_out0", + "pll_c", + "pll_d2_out0", + "clk_m", }; -static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_plla_pllc_pllp_clkm[] = { + "pll_a_out0", + "dummy", + "pll_p", + "clk_m" }; -static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_32k, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_clk32_clkm[] = { + "pll_p", + "pll_c", + "clk_32k", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_m, .value = 2}, - {.input = &tegra_clk_32k, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_clkm_clk32[] = { + "pll_p", + "pll_c", + "clk_m", + "clk_32k", }; -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { 0, 0}, +static const char *mux_pllp_pllc_pllm[] = { + "pll_p", + "pll_c", + "pll_m", }; -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { 0, 0}, +static const char *mux_clk_m[] = { + "clk_m", }; -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { 0, 0}, +static const char *mux_pllp_out3[] = { + "pll_p_out3", }; -static struct clk_mux_sel mux_plld_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { 0, 0}, +static const char *mux_plld_out0[] = { + "pll_d_out0", }; -static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { .input = &tegra_pll_d2_out0, .value = 1}, - { 0, 0}, +static const char *mux_plld_out0_plld2_out0[] = { + "pll_d_out0", + "pll_d2_out0", }; -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { 0, 0}, +static const char *mux_clk_32k[] = { + "clk_32k", }; -static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - { .input = &tegra_clk_32k, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { .input = &tegra_pll_e, .value = 4}, - { 0, 0}, +static const char *mux_plla_clk32_pllp_clkm_plle[] = { + "pll_a_out0", + "clk_32k", + "pll_p", + "clk_m", + "pll_e", }; -static struct clk_mux_sel mux_cclk_g[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_pll_x, .value = 8}, - { 0, 0}, +static const char *mux_cclk_g[] = { + "clk_m", + "pll_c", + "clk_32k", + "pll_m", + "pll_p", + "pll_p_out4", + "pll_p_out3", + "dummy", + "pll_x", }; -static struct clk tegra_clk_cclk_g = { - .name = "cclk_g", - .flags = DIV_U71 | DIV_U71_INT, - .inputs = mux_cclk_g, - .reg = 0x368, - .ops = &tegra30_super_ops, +static struct clk *mux_pllm_pllc_pllp_plla_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_pll_a_out0, +}; + +static struct clk *mux_pllp_pllc_pllm_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_clkm_p[] = { + &tegra_pll_p, + NULL, + NULL, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_plld_pllc_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_d_out0, + &tegra_pll_c, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllm_plld_plla_pllc_plld2_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_m, + &tegra_pll_d_out0, + &tegra_pll_a_out0, + &tegra_pll_c, + &tegra_pll_d2_out0, + &tegra_clk_m, +}; + +static struct clk *mux_plla_pllc_pllp_clkm_p[] = { + &tegra_pll_a_out0, + NULL, + &tegra_pll_p, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllc_clk32_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllc_clkm_clk32_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_clk_m, + &tegra_clk_32k, +}; + +static struct clk *mux_pllp_pllc_pllm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, +}; + +static struct clk *mux_clk_m_p[] = { + &tegra_clk_m, +}; + +static struct clk *mux_pllp_out3_p[] = { + &tegra_pll_p_out3, +}; + +static struct clk *mux_plld_out0_p[] = { + &tegra_pll_d_out0, +}; + +static struct clk *mux_plld_out0_plld2_out0_p[] = { + &tegra_pll_d_out0, + &tegra_pll_d2_out0, +}; + +static struct clk *mux_clk_32k_p[] = { + &tegra_clk_32k, +}; + +static struct clk *mux_plla_clk32_pllp_clkm_plle_p[] = { + &tegra_pll_a_out0, + &tegra_clk_32k, + &tegra_pll_p, + &tegra_clk_m, + &tegra_pll_e, +}; + +static struct clk *mux_cclk_g_p[] = { + &tegra_clk_m, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_pll_m, + &tegra_pll_p, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + NULL, + &tegra_pll_x, +}; + +static struct clk tegra_clk_cclk_g; +static struct clk_tegra tegra_clk_cclk_g_hw = { + .hw = { + .clk = &tegra_clk_cclk_g, + }, + .flags = DIV_U71 | DIV_U71_INT, + .reg = 0x368, .max_rate = 1700000000, }; +static struct clk tegra_clk_cclk_g = { + .name = "cclk_g", + .ops = &tegra30_super_ops, + .hw = &tegra_clk_cclk_g_hw.hw, + .parent_names = mux_cclk_g, + .parents = mux_cclk_g_p, + .num_parents = ARRAY_SIZE(mux_cclk_g), +}; -static struct clk tegra30_clk_twd = { - .parent = &tegra_clk_cclk_g, - .name = "twd", - .ops = &tegra30_twd_ops, - .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ - .mul = 1, - .div = 2, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra30_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } +static const char *mux_twd[] = { + "cclk_g", +}; -#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ - _flags, _ops) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = _ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } +static struct clk *mux_twd_p[] = { + &tegra_clk_cclk_g, +}; -#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - .u.shared_bus_user = { \ - .client_id = _id, \ - .client_div = _div, \ - .mode = _mode, \ +static struct clk tegra30_clk_twd; +static struct clk_tegra tegra30_clk_twd_hw = { + .hw = { + .clk = &tegra30_clk_twd, + }, + .max_rate = 1400000000, + .mul = 1, + .div = 2, +}; + +static struct clk tegra30_clk_twd = { + .name = "twd", + .ops = &tegra30_twd_ops, + .hw = &tegra30_clk_twd_hw.hw, + .parent = &tegra_clk_cclk_g, + .parent_names = mux_twd, + .parents = mux_twd_p, + .num_parents = ARRAY_SIZE(mux_twd), +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, \ + _max, _inputs, _flags) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ }, \ - } -struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), - PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), - PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - - PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), - PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ + .lookup = { \ .dev_id = _dev, \ - .con_id = _con, \ + .con_id = _con, \ }, \ + .reg = _reg, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + .reset = &tegra30_periph_clk_reset, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra30_periph_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = _inputs, \ + .parents = _inputs##_p, \ + .num_parents = ARRAY_SIZE(_inputs), \ + }; + +PERIPH_CLK(apbdma, "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(rtc, "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB); +PERIPH_CLK(kbc, "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB); +PERIPH_CLK(timer, "timer", NULL, 5, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(kfuse, "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(fuse, "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB); +PERIPH_CLK(fuse_burn, "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB); +PERIPH_CLK(apbif, "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(i2s0, "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s1, "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s2, "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s3, "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s4, "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(spdif_out, "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio5_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(spdif_in, "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(pwm, "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(d_audio, "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam0, "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam1, "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam2, "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(hda, "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(hda2codec_2x, "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(hda2hdmi, "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0); +PERIPH_CLK(sbc1, "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc2, "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc3, "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc4, "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc5, "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc6, "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sata_oob, "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sata, "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sata_cold, "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0); +PERIPH_CLK(ndflash, "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(ndspeed, "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(vfir, "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sdmmc1, "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc2, "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc3, "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc4, "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vcp, "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsea, "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsev, "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(vde, "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(csite, "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* max rate ??? */ +PERIPH_CLK(la, "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(owr, "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(nor, "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(mipi, "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); /* scales with voltage */ +PERIPH_CLK(i2c1, "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c2, "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c3, "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c4, "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c5, "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(uarta, "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartb, "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartc, "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartd, "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uarte, "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(vi, "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(3d, "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET); +PERIPH_CLK(3d2, "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET); +PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE); +PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET); +PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(dtv, "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0); +PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71); +PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8); +PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8); +PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(dsia, "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0); +PERIPH_CLK(csi, "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0); +PERIPH_CLK(isp, "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0); /* same frequency as VI */ +PERIPH_CLK(csus, "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET); +PERIPH_CLK(tsensor, "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71); +PERIPH_CLK(actmon, "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71); +PERIPH_CLK(extern1, "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(extern2, "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(extern3, "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(i2cslow, "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(pcie, "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(afi, "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(se, "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT); + +static struct clk tegra_dsib; +static struct clk_tegra tegra_dsib_hw = { + .hw = { + .clk = &tegra_dsib, + }, + .lookup = { + .dev_id = "tegradc.1", + .con_id = "dsib", + }, + .reg = 0xd0, + .flags = MUX | PLLD, + .max_rate = 500000000, + .u.periph = { + .clk_num = 82, + }, + .reset = &tegra30_periph_clk_reset, +}; +static struct clk tegra_dsib = { + .name = "dsib", + .ops = &tegra30_dsib_clk_ops, + .hw = &tegra_dsib_hw.hw, + .parent_names = mux_plld_out0_plld2_out0, + .parents = mux_plld_out0_plld2_out0_p, + .num_parents = ARRAY_SIZE(mux_plld_out0_plld2_out0), +}; + +struct clk *tegra_list_clks[] = { + &tegra_apbdma, + &tegra_rtc, + &tegra_kbc, + &tegra_timer, + &tegra_kfuse, + &tegra_fuse, + &tegra_fuse_burn, + &tegra_apbif, + &tegra_i2s0, + &tegra_i2s1, + &tegra_i2s2, + &tegra_i2s3, + &tegra_i2s4, + &tegra_spdif_out, + &tegra_spdif_in, + &tegra_pwm, + &tegra_d_audio, + &tegra_dam0, + &tegra_dam1, + &tegra_dam2, + &tegra_hda, + &tegra_hda2codec_2x, + &tegra_hda2hdmi, + &tegra_sbc1, + &tegra_sbc2, + &tegra_sbc3, + &tegra_sbc4, + &tegra_sbc5, + &tegra_sbc6, + &tegra_sata_oob, + &tegra_sata, + &tegra_sata_cold, + &tegra_ndflash, + &tegra_ndspeed, + &tegra_vfir, + &tegra_sdmmc1, + &tegra_sdmmc2, + &tegra_sdmmc3, + &tegra_sdmmc4, + &tegra_vcp, + &tegra_bsea, + &tegra_bsev, + &tegra_vde, + &tegra_csite, + &tegra_la, + &tegra_owr, + &tegra_nor, + &tegra_mipi, + &tegra_i2c1, + &tegra_i2c2, + &tegra_i2c3, + &tegra_i2c4, + &tegra_i2c5, + &tegra_uarta, + &tegra_uartb, + &tegra_uartc, + &tegra_uartd, + &tegra_uarte, + &tegra_vi, + &tegra_3d, + &tegra_3d2, + &tegra_2d, + &tegra_vi_sensor, + &tegra_epp, + &tegra_mpe, + &tegra_host1x, + &tegra_cve, + &tegra_tvo, + &tegra_dtv, + &tegra_hdmi, + &tegra_tvdac, + &tegra_disp1, + &tegra_disp2, + &tegra_usbd, + &tegra_usb2, + &tegra_usb3, + &tegra_dsia, + &tegra_dsib, + &tegra_csi, + &tegra_isp, + &tegra_csus, + &tegra_tsensor, + &tegra_actmon, + &tegra_extern1, + &tegra_extern2, + &tegra_extern3, + &tegra_i2cslow, + &tegra_pcie, + &tegra_afi, + &tegra_se, +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ } /* Some clocks may be used by different drivers depending on the board @@ -1092,23 +1319,24 @@ struct clk *tegra_ptr_clks[] = { &tegra_pll_x_out0, &tegra_pll_e, &tegra_clk_cclk_g, - &tegra_cml0_clk, - &tegra_cml1_clk, - &tegra_pciex_clk, + &tegra_cml0, + &tegra_cml1, + &tegra_pciex, &tegra_clk_sclk, &tegra_clk_blink, &tegra30_clk_twd, }; - static void tegra30_init_one_clock(struct clk *c) { - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + if (!clk->lookup.dev_id && !clk->lookup.con_id) + clk->lookup.con_id = c->name; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } void __init tegra30_init_clocks(void) @@ -1120,7 +1348,7 @@ void __init tegra30_init_clocks(void) tegra30_init_one_clock(tegra_ptr_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra30_init_one_clock(&tegra_list_clks[i]); + tegra30_init_one_clock(tegra_list_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); @@ -1135,14 +1363,12 @@ void __init tegra30_init_clocks(void) } for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) - tegra30_init_one_clock(&tegra_sync_source_list[i]); + tegra30_init_one_clock(tegra_sync_source_list[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_list[i]); + tegra30_init_one_clock(tegra_clk_audio_list[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); + tegra30_init_one_clock(tegra_clk_audio_2x_list[i]); - init_clk_out_mux(); for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) - tegra30_init_one_clock(&tegra_clk_out_list[i]); - + tegra30_init_one_clock(tegra_clk_out_list[i]); } -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: linux-arm-kernel This patch converts tegra clock code to generic clock framework in following way: - Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c) - Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk. - Initialize all clock data statically. (tegraXX_clocks_data.c) Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions. Removed init function. It's functionality is splitted into recalc_rate and is_enabled. Static initialization is used since slab is not up in .init_early and clock is needed to be initialized before clockevent/clocksource initialization. Macros redefined for clk_tegra. Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This is to move quickly to generic common clock framework so that other dependent features will not be blocked (such as DT binding). Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20 and Tegra30. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/Kconfig | 1 + arch/arm/mach-tegra/clock.h | 1 + arch/arm/mach-tegra/tegra20_clocks.c | 986 +++++++++-------- arch/arm/mach-tegra/tegra20_clocks.h | 4 + arch/arm/mach-tegra/tegra20_clocks_data.c | 1318 +++++++++++++---------- arch/arm/mach-tegra/tegra30_clocks.c | 1331 +++++++++++++---------- arch/arm/mach-tegra/tegra30_clocks.h | 14 +- arch/arm/mach-tegra/tegra30_clocks_data.c | 1688 ++++++++++++++++------------- 8 files changed, 3029 insertions(+), 2314 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 35ef64e..0c46390 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -647,6 +647,7 @@ config ARCH_TEGRA select NEED_MACH_IO_H if PCI select ARCH_HAS_CPUFREQ select USE_OF + select COMMON_CLK help This enables support for NVIDIA Tegra based systems (Tegra APX, Tegra 6xx and Tegra 2 series). diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index f4d32ba..be69ae1 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -233,6 +233,7 @@ int clk_set_rate_locked(struct clk *c, unsigned long rate); int clk_reparent(struct clk *c, struct clk *parent); #endif /* !CONFIG_COMMON_CLK */ +void tegra_clk_add(struct clk *c); void tegra2_init_clocks(void); void tegra30_init_clocks(void); struct clk *tegra_get_clock_by_name(const char *name); diff --git a/arch/arm/mach-tegra/tegra20_clocks.c b/arch/arm/mach-tegra/tegra20_clocks.c index cf7782f..cd06b7c 100644 --- a/arch/arm/mach-tegra/tegra20_clocks.c +++ b/arch/arm/mach-tegra/tegra20_clocks.c @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/tegra2_clocks.c * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -96,7 +97,7 @@ #define PLL_OUT_CLKEN (1<<1) #define PLL_OUT_RESET_DISABLE (1<<0) -#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) +#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) #define PLL_MISC_DCCON_SHIFT 20 #define PLL_MISC_CPCON_SHIFT 8 @@ -189,7 +190,8 @@ static unsigned long clk_measure_input_freq(void) } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) { return 26000000; } else { - pr_err("%s: Unexpected clock autodetect value %d", __func__, clock_autodetect); + pr_err("%s: Unexpected clock autodetect value %d", + __func__, clock_autodetect); BUG(); return 0; } @@ -228,12 +230,21 @@ static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate) } /* clk_m functions */ -static unsigned long tegra2_clk_m_autodetect_rate(struct clk *c) +static unsigned long tegra2_clk_m_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - u32 auto_clock_control = clk_readl(OSC_CTRL) & ~OSC_CTRL_OSC_FREQ_MASK; + if (!to_clk_tegra(hw)->fixed_rate) + to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq(); + return to_clk_tegra(hw)->fixed_rate; +} + +static void tegra2_clk_m_init(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 osc_ctrl = clk_readl(OSC_CTRL); + u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK; - c->rate = clk_measure_input_freq(); - switch (c->rate) { + switch (c->fixed_rate) { case 12000000: auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ; break; @@ -247,35 +258,14 @@ static unsigned long tegra2_clk_m_autodetect_rate(struct clk *c) auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ; break; default: - pr_err("%s: Unexpected clock rate %ld", __func__, c->rate); BUG(); } clk_writel(auto_clock_control, OSC_CTRL); - return c->rate; -} - -static void tegra2_clk_m_init(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - tegra2_clk_m_autodetect_rate(c); -} - -static int tegra2_clk_m_enable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - return 0; -} - -static void tegra2_clk_m_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - BUG(); } struct clk_ops tegra_clk_m_ops = { .init = tegra2_clk_m_init, - .enable = tegra2_clk_m_enable, - .disable = tegra2_clk_m_disable, + .recalc_rate = tegra2_clk_m_recalc_rate, }; /* super clock functions */ @@ -284,161 +274,108 @@ struct clk_ops tegra_clk_m_ops = { * can't lower the voltage when using the clock skip, but we can if we * lower the PLL frequency. */ -static void tegra2_super_clk_init(struct clk *c) +static int tegra2_super_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - int source; - int shift; - const struct clk_mux_sel *sel; + val = clk_readl(c->reg + SUPER_CLK_MUX); - c->state = ON; BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); - shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? - SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - source = (val >> shift) & SUPER_SOURCE_MASK; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->value == source) - break; - } - BUG_ON(sel->input == NULL); - c->parent = sel->input; + c->state = ON; + return c->state; } -static int tegra2_super_clk_enable(struct clk *c) +static int tegra2_super_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); clk_writel(0, c->reg + SUPER_CLK_DIVIDER); return 0; } -static void tegra2_super_clk_disable(struct clk *c) +static void tegra2_super_clk_disable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); /* oops - don't disable the CPU clock! */ BUG(); } -static int tegra2_super_clk_set_parent(struct clk *c, struct clk *p) +static u8 tegra2_super_clk_get_parent(struct clk_hw *hw) { - u32 val; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); + int val = clk_readl(c->reg + SUPER_CLK_MUX); + int source; int shift; - val = clk_readl(c->reg + SUPER_CLK_MUX); BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val &= ~(SUPER_SOURCE_MASK << shift); - val |= sel->value << shift; + source = (val >> shift) & SUPER_SOURCE_MASK; + return source; +} - if (c->refcnt) - clk_enable(p); +static int tegra2_super_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg + SUPER_CLK_MUX); + int shift; - clk_writel(val, c->reg); + BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && + ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); + shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? + SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; + val &= ~(SUPER_SOURCE_MASK << shift); + val |= index << shift; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); - clk_reparent(c, p); - return 0; - } - } - return -EINVAL; + return 0; } -/* - * Super clocks have "clock skippers" instead of dividers. Dividing using - * a clock skipper does not allow the voltage to be scaled down, so instead - * adjust the rate of the parent clock. This requires that the parent of a - * super clock have no other children, otherwise the rate will change - * underneath the other children. - */ -static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate) +/* FIX ME: Need to switch parents to change the source PLL rate */ +static unsigned long tegra2_super_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - return clk_set_rate(c->parent, rate); + return prate; } -struct clk_ops tegra_super_ops = { - .init = tegra2_super_clk_init, - .enable = tegra2_super_clk_enable, - .disable = tegra2_super_clk_disable, - .set_parent = tegra2_super_clk_set_parent, - .set_rate = tegra2_super_clk_set_rate, -}; - -/* virtual cpu clock functions */ -/* some clocks can not be stopped (cpu, memory bus) while the SoC is running. - To change the frequency of these clocks, the parent pll may need to be - reprogrammed, so the clock must be moved off the pll, the pll reprogrammed, - and then the clock moved back to the pll. To hide this sequence, a virtual - clock handles it. - */ -static void tegra2_cpu_clk_init(struct clk *c) +static long tegra2_super_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + return *prate; } -static int tegra2_cpu_clk_enable(struct clk *c) +static int tegra2_super_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { return 0; } -static void tegra2_cpu_clk_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - - /* oops - don't disable the CPU clock! */ - BUG(); -} +struct clk_ops tegra_super_ops = { + .is_enabled = tegra2_super_clk_is_enabled, + .enable = tegra2_super_clk_enable, + .disable = tegra2_super_clk_disable, + .set_parent = tegra2_super_clk_set_parent, + .get_parent = tegra2_super_clk_get_parent, + .set_rate = tegra2_super_clk_set_rate, + .round_rate = tegra2_super_clk_round_rate, + .recalc_rate = tegra2_super_clk_recalc_rate, +}; -static int tegra2_cpu_clk_set_rate(struct clk *c, unsigned long rate) +static u8 tegra2_cop_clk_get_parent(struct clk_hw *hw) { - int ret; - /* - * Take an extra reference to the main pll so it doesn't turn - * off when we move the cpu off of it - */ - clk_enable(c->u.cpu.main); - - ret = clk_set_parent(c->parent, c->u.cpu.backup); - if (ret) { - pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.backup->name); - goto out; - } - - if (rate == clk_get_rate(c->u.cpu.backup)) - goto out; - - ret = clk_set_rate(c->u.cpu.main, rate); - if (ret) { - pr_err("Failed to change cpu pll to %lu\n", rate); - goto out; - } - - ret = clk_set_parent(c->parent, c->u.cpu.main); - if (ret) { - pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.main->name); - goto out; - } - -out: - clk_disable(c->u.cpu.main); - return ret; + return 0; } -struct clk_ops tegra_cpu_ops = { - .init = tegra2_cpu_clk_init, - .enable = tegra2_cpu_clk_enable, - .disable = tegra2_cpu_clk_disable, - .set_rate = tegra2_cpu_clk_set_rate, +struct clk_ops tegra_cop_ops = { + .get_parent = tegra2_cop_clk_get_parent, }; /* virtual cop clock functions. Used to acquire the fake 'cop' clock to * reset the COP block (i.e. AVP) */ -static void tegra2_cop_clk_reset(struct clk *c, bool assert) +void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert) { unsigned long reg = assert ? RST_DEVICES_SET : RST_DEVICES_CLR; @@ -446,23 +383,21 @@ static void tegra2_cop_clk_reset(struct clk *c, bool assert) clk_writel(1 << 1, reg); } -struct clk_ops tegra_cop_ops = { - .reset = tegra2_cop_clk_reset, -}; - /* bus clock functions */ -static void tegra2_bus_clk_init(struct clk *c) +static int tegra2_bus_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); + c->state = ((val >> c->reg_shift) & BUS_CLK_DISABLE) ? OFF : ON; - c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1; - c->mul = 1; + return c->state; } -static int tegra2_bus_clk_enable(struct clk *c) +static int tegra2_bus_clk_enable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 val; spin_lock_irqsave(&clock_register_lock, flags); @@ -475,10 +410,11 @@ static int tegra2_bus_clk_enable(struct clk *c) return 0; } -static void tegra2_bus_clk_disable(struct clk *c) +static void tegra2_bus_clk_disable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 val; spin_lock_irqsave(&clock_register_lock, flags); @@ -489,12 +425,31 @@ static void tegra2_bus_clk_disable(struct clk *c) spin_unlock_irqrestore(&clock_register_lock, flags); } -static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra2_bus_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - u32 val; - unsigned long parent_rate = clk_get_rate(c->parent); - unsigned long flags; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + u64 rate = prate; + + c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1; + c->mul = 1; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; +} + +static int tegra2_bus_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); int ret = -EINVAL; + unsigned long flags; + u32 val; int i; spin_lock_irqsave(&clock_register_lock, flags); @@ -517,21 +472,58 @@ static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) return ret; } +static long tegra2_bus_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long parent_rate = *prate; + s64 divider; + + if (rate >= parent_rate) + return rate; + + divider = parent_rate; + divider += rate - 1; + do_div(divider, rate); + + divider -= 1; + if (divider < 0) + return divider; + + if (divider > 4) + divider = 4; + + do_div(parent_rate, divider); + + return parent_rate; +} + struct clk_ops tegra_bus_ops = { - .init = tegra2_bus_clk_init, + .is_enabled = tegra2_bus_clk_is_enabled, .enable = tegra2_bus_clk_enable, .disable = tegra2_bus_clk_disable, .set_rate = tegra2_bus_clk_set_rate, + .round_rate = tegra2_bus_clk_round_rate, + .recalc_rate = tegra2_bus_clk_recalc_rate, }; /* Blink output functions */ - -static void tegra2_blink_clk_init(struct clk *c) +static int tegra2_blink_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; val = pmc_readl(PMC_CTRL); c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; + return c->state; +} + +static unsigned long tegra2_blink_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + u32 val; + c->mul = 1; val = pmc_readl(c->reg); @@ -548,9 +540,16 @@ static void tegra2_blink_clk_init(struct clk *c) } else { c->div = 1; } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } -static int tegra2_blink_clk_enable(struct clk *c) +static int tegra2_blink_clk_enable(struct clk_hw *hw) { u32 val; @@ -563,7 +562,7 @@ static int tegra2_blink_clk_enable(struct clk *c) return 0; } -static void tegra2_blink_clk_disable(struct clk *c) +static void tegra2_blink_clk_disable(struct clk_hw *hw) { u32 val; @@ -574,9 +573,11 @@ static void tegra2_blink_clk_disable(struct clk *c) pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); } -static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); + if (rate >= parent_rate) { c->div = 1; pmc_writel(0, c->reg); @@ -599,31 +600,74 @@ static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } +static long tegra2_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + int div; + int mul; + long round_rate = *prate; + + mul = 1; + + if (rate >= *prate) { + div = 1; + } else { + div = DIV_ROUND_UP(*prate / 8, rate); + div *= 8; + } + + round_rate *= mul; + round_rate += div - 1; + do_div(round_rate, div); + + return round_rate; +} + struct clk_ops tegra_blink_clk_ops = { - .init = &tegra2_blink_clk_init, + .is_enabled = &tegra2_blink_clk_is_enabled, .enable = &tegra2_blink_clk_enable, .disable = &tegra2_blink_clk_disable, .set_rate = &tegra2_blink_clk_set_rate, + .round_rate = &tegra2_blink_clk_round_rate, + .recalc_rate = &tegra2_blink_clk_recalc_rate, }; /* PLL Functions */ -static int tegra2_pll_clk_wait_for_lock(struct clk *c) +static int tegra2_pll_clk_wait_for_lock(struct clk_tegra *c) { udelay(c->u.pll.lock_delay); - return 0; } -static void tegra2_pll_clk_init(struct clk *c) +static int tegra2_pll_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLL_BASE_ENABLE) ? ON : OFF; + return c->state; +} + +static unsigned long tegra2_pll_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg + PLL_BASE); + u64 rate = prate; if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { - pr_warning("Clock %s has unknown fixed frequency\n", c->name); - c->mul = 1; - c->div = 1; + const struct clk_pll_freq_table *sel; + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == prate && + sel->output_rate == c->u.pll.fixed_rate) { + c->mul = sel->n; + c->div = sel->m * sel->p; + break; + } + } + pr_err("Clock %s has unknown fixed frequency\n", + __clk_get_name(hw->clk)); + BUG(); } else if (val & PLL_BASE_BYPASS) { c->mul = 1; c->div = 1; @@ -635,12 +679,20 @@ static void tegra2_pll_clk_init(struct clk *c) else c->div *= (val & PLL_BASE_DIVP_MASK) ? 2 : 1; } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } -static int tegra2_pll_clk_enable(struct clk *c) +static int tegra2_pll_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg + PLL_BASE); val &= ~PLL_BASE_BYPASS; @@ -652,25 +704,38 @@ static int tegra2_pll_clk_enable(struct clk *c) return 0; } -static void tegra2_pll_clk_disable(struct clk *c) +static void tegra2_pll_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); clk_writel(val, c->reg); } -static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - u32 val; - unsigned long input_rate; + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long input_rate = parent_rate; const struct clk_pll_freq_table *sel; + u32 val; + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + if (c->flags & PLL_FIXED) { + int ret = 0; + if (rate != c->u.pll.fixed_rate) { + pr_err("%s: Can not change %s fixed rate %lu to %lu\n", + __func__, __clk_get_name(hw->clk), + c->u.pll.fixed_rate, rate); + ret = -EINVAL; + } + return ret; + } - input_rate = clk_get_rate(c->parent); for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { if (sel->input_rate == input_rate && sel->output_rate == rate) { c->mul = sel->n; @@ -701,41 +766,75 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) } if (c->state == ON) - tegra2_pll_clk_enable(c); - + tegra2_pll_clk_enable(hw); return 0; } } return -EINVAL; } +static long tegra2_pll_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + const struct clk_pll_freq_table *sel; + unsigned long input_rate = *prate; + unsigned long output_rate = *prate; + int mul; + int div; + + if (c->flags & PLL_FIXED) + return c->u.pll.fixed_rate; + + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) + if (sel->input_rate == input_rate && sel->output_rate == rate) { + mul = sel->n; + div = sel->m * sel->p; + } + + if (sel->input_rate == 0) + return -EINVAL; + + output_rate *= mul; + output_rate += div - 1; /* round up */ + do_div(output_rate, div); + + return output_rate; +} + struct clk_ops tegra_pll_ops = { - .init = tegra2_pll_clk_init, + .is_enabled = tegra2_pll_clk_is_enabled, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; -static void tegra2_pllx_clk_init(struct clk *c) +static void tegra2_pllx_clk_init(struct clk_hw *hw) { - tegra2_pll_clk_init(c); + struct clk_tegra *c = to_clk_tegra(hw); if (tegra_sku_id == 7) c->max_rate = 750000000; } struct clk_ops tegra_pllx_ops = { - .init = tegra2_pllx_clk_init, - .enable = tegra2_pll_clk_enable, - .disable = tegra2_pll_clk_disable, - .set_rate = tegra2_pll_clk_set_rate, + .init = tegra2_pllx_clk_init, + .is_enabled = tegra2_pll_clk_is_enabled, + .enable = tegra2_pll_clk_enable, + .disable = tegra2_pll_clk_disable, + .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; -static int tegra2_plle_clk_enable(struct clk *c) +static int tegra2_plle_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); mdelay(1); @@ -751,20 +850,35 @@ static int tegra2_plle_clk_enable(struct clk *c) } struct clk_ops tegra_plle_ops = { - .init = tegra2_pll_clk_init, - .enable = tegra2_plle_clk_enable, - .set_rate = tegra2_pll_clk_set_rate, + .is_enabled = tegra2_pll_clk_is_enabled, + .enable = tegra2_plle_clk_enable, + .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; /* Clock divider ops */ -static void tegra2_pll_div_clk_init(struct clk *c) +static int tegra2_pll_div_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); - u32 divu71; + val >>= c->reg_shift; c->state = (val & PLL_OUT_CLKEN) ? ON : OFF; if (!(val & PLL_OUT_RESET_DISABLE)) c->state = OFF; + return c->state; +} + +static unsigned long tegra2_pll_div_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + u32 val = clk_readl(c->reg); + u32 divu71; + + val >>= c->reg_shift; if (c->flags & DIV_U71) { divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; @@ -777,15 +891,23 @@ static void tegra2_pll_div_clk_init(struct clk *c) c->div = 1; c->mul = 1; } + + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + + return rate; } -static int tegra2_pll_div_clk_enable(struct clk *c) +static int tegra2_pll_div_clk_enable(struct clk_hw *hw) { - u32 val; - u32 new_val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 new_val; + u32 val; + + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); - pr_debug("%s: %s\n", __func__, c->name); if (c->flags & DIV_U71) { spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); @@ -811,13 +933,15 @@ static int tegra2_pll_div_clk_enable(struct clk *c) return -EINVAL; } -static void tegra2_pll_div_clk_disable(struct clk *c) +static void tegra2_pll_div_clk_disable(struct clk_hw *hw) { - u32 val; - u32 new_val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 new_val; + u32 val; + + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); - pr_debug("%s: %s\n", __func__, c->name); if (c->flags & DIV_U71) { spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); @@ -840,15 +964,17 @@ static void tegra2_pll_div_clk_disable(struct clk *c) } } -static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_pll_div_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - u32 val; - u32 new_val; - int divider_u71; - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + int divider_u71; + u32 new_val; + u32 val; + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { divider_u71 = clk_div71_get_divider(parent_rate, rate); if (divider_u71 >= 0) { @@ -876,11 +1002,14 @@ static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) +static long tegra2_pll_div_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = *prate; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); @@ -894,49 +1023,24 @@ static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) } struct clk_ops tegra_pll_div_ops = { - .init = tegra2_pll_div_clk_init, + .is_enabled = tegra2_pll_div_clk_is_enabled, .enable = tegra2_pll_div_clk_enable, .disable = tegra2_pll_div_clk_disable, .set_rate = tegra2_pll_div_clk_set_rate, .round_rate = tegra2_pll_div_clk_round_rate, + .recalc_rate = tegra2_pll_div_clk_recalc_rate, }; /* Periph clk ops */ -static void tegra2_periph_clk_init(struct clk *c) +static int tegra2_periph_clk_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - const struct clk_mux_sel *mux = NULL; - const struct clk_mux_sel *sel; - if (c->flags & MUX) { - for (sel = c->inputs; sel->input != NULL; sel++) { - if (val >> PERIPH_CLK_SOURCE_SHIFT == sel->value) - mux = sel; - } - BUG_ON(!mux); - - c->parent = mux->input; - } else { - c->parent = c->inputs[0].input; - } - - if (c->flags & DIV_U71) { - u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; - c->div = divu71 + 2; - c->mul = 2; - } else if (c->flags & DIV_U16) { - u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; - c->div = divu16 + 1; - c->mul = 1; - } else { - c->div = 1; - c->mul = 1; - } + struct clk_tegra *c = to_clk_tegra(hw); c->state = ON; if (!c->u.periph.clk_num) - return; + goto out; if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) @@ -946,24 +1050,27 @@ static void tegra2_periph_clk_init(struct clk *c) if (clk_readl(RST_DEVICES + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c)) c->state = OFF; + +out: + return c->state; } -static int tegra2_periph_clk_enable(struct clk *c) +static int tegra2_periph_clk_enable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; - int refcount; - pr_debug("%s on clock %s\n", __func__, c->name); + u32 val; + + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); if (!c->u.periph.clk_num) return 0; - spin_lock_irqsave(&clock_register_lock, flags); - - refcount = tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; + if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1) + return 0; - if (refcount > 1) - goto out; + spin_lock_irqsave(&clock_register_lock, flags); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c)); @@ -978,39 +1085,41 @@ static int tegra2_periph_clk_enable(struct clk *c) clk_writel(val, c->reg); } -out: spin_unlock_irqrestore(&clock_register_lock, flags); return 0; } -static void tegra2_periph_clk_disable(struct clk *c) +static void tegra2_periph_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); if (!c->u.periph.clk_num) return; - spin_lock_irqsave(&clock_register_lock, flags); + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; - if (c->refcnt) - tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; + if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 0) + return; - if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) - clk_writel(PERIPH_CLK_TO_ENB_BIT(c), - CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); + spin_lock_irqsave(&clock_register_lock, flags); + + clk_writel(PERIPH_CLK_TO_ENB_BIT(c), + CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); spin_unlock_irqrestore(&clock_register_lock, flags); } -static void tegra2_periph_clk_reset(struct clk *c, bool assert) +void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long base = assert ? RST_DEVICES_SET : RST_DEVICES_CLR; pr_debug("%s %s on clock %s\n", __func__, - assert ? "assert" : "deassert", c->name); + assert ? "assert" : "deassert", __clk_get_name(hw->clk)); BUG_ON(!c->u.periph.clk_num); @@ -1019,41 +1128,75 @@ static void tegra2_periph_clk_reset(struct clk *c, bool assert) base + PERIPH_CLK_TO_ENB_SET_REG(c)); } -static int tegra2_periph_clk_set_parent(struct clk *c, struct clk *p) +static int tegra2_periph_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~PERIPH_CLK_SOURCE_MASK; - val |= (sel->value) << PERIPH_CLK_SOURCE_SHIFT; - if (c->refcnt) - clk_enable(p); + pr_debug("%s: %s %d\n", __func__, __clk_get_name(hw->clk), index); - clk_writel(val, c->reg); + val = clk_readl(c->reg); + val &= ~PERIPH_CLK_SOURCE_MASK; + val |= (index) << PERIPH_CLK_SOURCE_SHIFT; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); - clk_reparent(c, p); - return 0; - } + return 0; +} + +static u8 tegra2_periph_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + + if (c->flags & MUX) + return (val & PERIPH_CLK_SOURCE_MASK) >> + PERIPH_CLK_SOURCE_SHIFT; + else + return 0; +} + +static unsigned long tegra2_periph_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = prate; + u32 val = clk_readl(c->reg); + + if (c->flags & DIV_U71) { + u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; + c->div = divu71 + 2; + c->mul = 2; + } else if (c->flags & DIV_U16) { + u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; + c->div = divu16 + 1; + c->mul = 1; + } else { + c->div = 1; + c->mul = 1; } - return -EINVAL; + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } -static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_periph_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); + + val = clk_readl(c->reg); if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); + if (divider >= 0) { val = clk_readl(c->reg); val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK; @@ -1079,15 +1222,21 @@ static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) c->mul = 1; return 0; } + return -EINVAL; } -static long tegra2_periph_clk_round_rate(struct clk *c, - unsigned long rate) +static long tegra2_periph_clk_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); @@ -1105,44 +1254,27 @@ static long tegra2_periph_clk_round_rate(struct clk *c, } struct clk_ops tegra_periph_clk_ops = { - .init = &tegra2_periph_clk_init, + .is_enabled = &tegra2_periph_clk_is_enabled, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, .set_parent = &tegra2_periph_clk_set_parent, + .get_parent = &tegra2_periph_clk_get_parent, .set_rate = &tegra2_periph_clk_set_rate, .round_rate = &tegra2_periph_clk_round_rate, - .reset = &tegra2_periph_clk_reset, + .recalc_rate = &tegra2_periph_clk_recalc_rate, }; -/* The SDMMC controllers have extra bits in the clock source register that - * adjust the delay between the clock and data to compenstate for delays - * on the PCB. */ -void tegra2_sdmmc_tap_delay(struct clk *c, int delay) -{ - u32 reg; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - delay = clamp(delay, 0, 15); - reg = clk_readl(c->reg); - reg &= ~SDMMC_CLK_INT_FB_DLY_MASK; - reg |= SDMMC_CLK_INT_FB_SEL; - reg |= delay << SDMMC_CLK_INT_FB_DLY_SHIFT; - clk_writel(reg, c->reg); - - spin_unlock_irqrestore(&c->spinlock, flags); -} - /* External memory controller clock ops */ -static void tegra2_emc_clk_init(struct clk *c) +static void tegra2_emc_clk_init(struct clk_hw *hw) { - tegra2_periph_clk_init(c); - c->max_rate = clk_get_rate_locked(c); + struct clk_tegra *c = to_clk_tegra(hw); + c->max_rate = __clk_get_rate(hw->clk); } -static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) +static long tegra2_emc_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); long emc_rate; long clk_rate; @@ -1158,7 +1290,7 @@ static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) * The fastest rate the PLL will generate that is at most the * requested rate. */ - clk_rate = tegra2_periph_clk_round_rate(c, emc_rate); + clk_rate = tegra2_periph_clk_round_rate(hw, emc_rate, NULL); /* * If this fails, and emc_rate > clk_rate, it's because the maximum @@ -1174,9 +1306,11 @@ static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) return emc_rate; } -static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_emc_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { int ret; + /* * The Tegra2 memory controller has an interlock with the clock * block that allows memory shadowed registers to be updated, @@ -1187,116 +1321,145 @@ static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) if (ret < 0) return ret; - ret = tegra2_periph_clk_set_rate(c, rate); + ret = tegra2_periph_clk_set_rate(hw, rate, parent_rate); udelay(1); return ret; } struct clk_ops tegra_emc_clk_ops = { - .init = &tegra2_emc_clk_init, - .enable = &tegra2_periph_clk_enable, - .disable = &tegra2_periph_clk_disable, - .set_parent = &tegra2_periph_clk_set_parent, - .set_rate = &tegra2_emc_clk_set_rate, - .round_rate = &tegra2_emc_clk_round_rate, - .reset = &tegra2_periph_clk_reset, + .init = &tegra2_emc_clk_init, + .is_enabled = &tegra2_periph_clk_is_enabled, + .enable = &tegra2_periph_clk_enable, + .disable = &tegra2_periph_clk_disable, + .set_parent = &tegra2_periph_clk_set_parent, + .get_parent = &tegra2_periph_clk_get_parent, + .set_rate = &tegra2_emc_clk_set_rate, + .round_rate = &tegra2_emc_clk_round_rate, + .recalc_rate = &tegra2_periph_clk_recalc_rate, }; /* Clock doubler ops */ -static void tegra2_clk_double_init(struct clk *c) +static int tegra2_clk_double_is_enabled(struct clk_hw *hw) { - c->mul = 2; - c->div = 1; + struct clk_tegra *c = to_clk_tegra(hw); + c->state = ON; if (!c->u.periph.clk_num) - return; + goto out; if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) c->state = OFF; + +out: + return c->state; }; -static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra2_clk_double_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - if (rate != 2 * clk_get_rate(c->parent)) - return -EINVAL; + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + c->mul = 2; c->div = 1; + + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + + return rate; +} + +static long tegra2_clk_double_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long output_rate = *prate; + + do_div(output_rate, 2); + return output_rate; +} + +static int tegra2_clk_double_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + if (rate != 2 * parent_rate) + return -EINVAL; return 0; } struct clk_ops tegra_clk_double_ops = { - .init = &tegra2_clk_double_init, + .is_enabled = &tegra2_clk_double_is_enabled, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, .set_rate = &tegra2_clk_double_set_rate, + .recalc_rate = &tegra2_clk_double_recalc_rate, + .round_rate = &tegra2_clk_double_round_rate, }; /* Audio sync clock ops */ -static void tegra2_audio_sync_clk_init(struct clk *c) +static int tegra2_audio_sync_clk_is_enabled(struct clk_hw *hw) { - int source; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); + c->state = (val & (1<<4)) ? OFF : ON; - source = val & 0xf; - for (sel = c->inputs; sel->input != NULL; sel++) - if (sel->value == source) - break; - BUG_ON(sel->input == NULL); - c->parent = sel->input; + return c->state; } -static int tegra2_audio_sync_clk_enable(struct clk *c) +static int tegra2_audio_sync_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + clk_writel(0, c->reg); return 0; } -static void tegra2_audio_sync_clk_disable(struct clk *c) +static void tegra2_audio_sync_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); clk_writel(1, c->reg); } -static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) +static u8 tegra2_audio_sync_clk_get_parent(struct clk_hw *hw) { - u32 val; - const struct clk_mux_sel *sel; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~0xf; - val |= sel->value; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source; - if (c->refcnt) - clk_enable(p); + source = val & 0xf; + return source; +} - clk_writel(val, c->reg); +static int tegra2_audio_sync_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; - if (c->refcnt && c->parent) - clk_disable(c->parent); + val = clk_readl(c->reg); + val &= ~0xf; + val |= index; - clk_reparent(c, p); - return 0; - } - } + clk_writel(val, c->reg); - return -EINVAL; + return 0; } struct clk_ops tegra_audio_sync_clk_ops = { - .init = tegra2_audio_sync_clk_init, - .enable = tegra2_audio_sync_clk_enable, - .disable = tegra2_audio_sync_clk_disable, - .set_parent = tegra2_audio_sync_clk_set_parent, + .is_enabled = tegra2_audio_sync_clk_is_enabled, + .enable = tegra2_audio_sync_clk_enable, + .disable = tegra2_audio_sync_clk_disable, + .set_parent = tegra2_audio_sync_clk_set_parent, + .get_parent = tegra2_audio_sync_clk_get_parent, }; /* cdev1 and cdev2 (dap_mclk1 and dap_mclk2) ops */ -static void tegra2_cdev_clk_init(struct clk *c) +static int tegra2_cdev_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); /* We could un-tristate the cdev1 or cdev2 pingroup here; this is * currently done in the pinmux code. */ c->state = ON; @@ -1306,10 +1469,12 @@ static void tegra2_cdev_clk_init(struct clk *c) if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) c->state = OFF; + return c->state; } -static int tegra2_cdev_clk_enable(struct clk *c) +static int tegra2_cdev_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); BUG_ON(!c->u.periph.clk_num); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), @@ -1317,8 +1482,9 @@ static int tegra2_cdev_clk_enable(struct clk *c) return 0; } -static void tegra2_cdev_clk_disable(struct clk *c) +static void tegra2_cdev_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); BUG_ON(!c->u.periph.clk_num); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), @@ -1326,109 +1492,7 @@ static void tegra2_cdev_clk_disable(struct clk *c) } struct clk_ops tegra_cdev_clk_ops = { - .init = &tegra2_cdev_clk_init, + .is_enabled = &tegra2_cdev_clk_is_enabled, .enable = &tegra2_cdev_clk_enable, .disable = &tegra2_cdev_clk_disable, }; - -/* shared bus ops */ -/* - * Some clocks may have multiple downstream users that need to request a - * higher clock rate. Shared bus clocks provide a unique shared_bus_user - * clock to each user. The frequency of the bus is set to the highest - * enabled shared_bus_user clock, with a minimum value set by the - * shared bus. - */ -static int tegra_clk_shared_bus_update(struct clk *bus) -{ - struct clk *c; - unsigned long rate = bus->min_rate; - - list_for_each_entry(c, &bus->shared_bus_list, u.shared_bus_user.node) - if (c->u.shared_bus_user.enabled) - rate = max(c->u.shared_bus_user.rate, rate); - - if (rate == clk_get_rate_locked(bus)) - return 0; - - return clk_set_rate_locked(bus, rate); -}; - -static void tegra_clk_shared_bus_init(struct clk *c) -{ - unsigned long flags; - - c->max_rate = c->parent->max_rate; - c->u.shared_bus_user.rate = c->parent->max_rate; - c->state = OFF; - c->set = true; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - list_add_tail(&c->u.shared_bus_user.node, - &c->parent->shared_bus_list); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); -} - -static int tegra_clk_shared_bus_set_rate(struct clk *c, unsigned long rate) -{ - unsigned long flags; - int ret; - long new_rate = rate; - - new_rate = clk_round_rate(c->parent, new_rate); - if (new_rate < 0) - return new_rate; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.rate = new_rate; - ret = tegra_clk_shared_bus_update(c->parent); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); - - return ret; -} - -static long tegra_clk_shared_bus_round_rate(struct clk *c, unsigned long rate) -{ - return clk_round_rate(c->parent, rate); -} - -static int tegra_clk_shared_bus_enable(struct clk *c) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.enabled = true; - ret = tegra_clk_shared_bus_update(c->parent); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); - - return ret; -} - -static void tegra_clk_shared_bus_disable(struct clk *c) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.enabled = false; - ret = tegra_clk_shared_bus_update(c->parent); - WARN_ON_ONCE(ret); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); -} - -struct clk_ops tegra_clk_shared_bus_ops = { - .init = tegra_clk_shared_bus_init, - .enable = tegra_clk_shared_bus_enable, - .disable = tegra_clk_shared_bus_disable, - .set_rate = tegra_clk_shared_bus_set_rate, - .round_rate = tegra_clk_shared_bus_round_rate, -}; diff --git a/arch/arm/mach-tegra/tegra20_clocks.h b/arch/arm/mach-tegra/tegra20_clocks.h index 167058c..0e42ec0 100644 --- a/arch/arm/mach-tegra/tegra20_clocks.h +++ b/arch/arm/mach-tegra/tegra20_clocks.h @@ -17,6 +17,7 @@ #ifndef __MACH_TEGRA20_CLOCK_H #define __MACH_TEGRA20_CLOCK_H +extern struct clk_ops tegra_clk_32k_ops; extern struct clk_ops tegra_pll_ops; extern struct clk_ops tegra_clk_m_ops; extern struct clk_ops tegra_pll_div_ops; @@ -34,4 +35,7 @@ extern struct clk_ops tegra_emc_clk_ops; extern struct clk_ops tegra_periph_clk_ops; extern struct clk_ops tegra_clk_shared_bus_ops; +void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert); +void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert); + #endif diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c index 8d0f019..3402acd 100644 --- a/arch/arm/mach-tegra/tegra20_clocks_data.c +++ b/arch/arm/mach-tegra/tegra20_clocks_data.c @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/tegra2_clocks.c * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -17,13 +18,13 @@ * */ +#include <linux/clk-private.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/io.h> -#include <linux/clkdev.h> #include <linux/clk.h> #include <mach/iomap.h> @@ -35,56 +36,151 @@ #include "tegra20_clocks.h" /* Clock definitions */ + +#define DEFINE_CLK_TEGRA(_name, _rate, _ops, _flags, \ + _parent_names, _parents, _parent) \ + static struct clk tegra_##_name = { \ + .hw = &tegra_##_name##_hw.hw, \ + .name = #_name, \ + .rate = _rate, \ + .ops = _ops, \ + .flags = _flags, \ + .parent_names = _parent_names, \ + .parents = _parents, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .parent = _parent, \ + }; + +static struct clk tegra_clk_32k; +static struct clk_tegra tegra_clk_32k_hw = { + .hw = { + .clk = &tegra_clk_32k, + }, + .fixed_rate = 32768, +}; + static struct clk tegra_clk_32k = { .name = "clk_32k", .rate = 32768, - .ops = NULL, - .max_rate = 32768, + .ops = &tegra_clk_32k_ops, + .hw = &tegra_clk_32k_hw.hw, + .flags = CLK_IS_ROOT, }; -static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { - {32768, 12000000, 366, 1, 1, 0}, - {32768, 13000000, 397, 1, 1, 0}, - {32768, 19200000, 586, 1, 1, 0}, - {32768, 26000000, 793, 1, 1, 0}, - {0, 0, 0, 0, 0, 0}, +static struct clk tegra_pll_s; + +static const char *clk_m_parent_names[] = { + "clk_32k", }; -static struct clk tegra_pll_s = { - .name = "pll_s", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_pll_ops, - .parent = &tegra_clk_32k, - .max_rate = 26000000, - .reg = 0xf0, - .u.pll = { - .input_min = 32768, - .input_max = 32768, - .cf_min = 0, /* FIXME */ - .cf_max = 0, /* FIXME */ - .vco_min = 12000000, - .vco_max = 26000000, - .freq_table = tegra_pll_s_freq_table, - .lock_delay = 300, - }, +static struct clk *clk_m_parents[] = { + &tegra_clk_32k, }; -static struct clk_mux_sel tegra_clk_m_sel[] = { - { .input = &tegra_clk_32k, .value = 0}, - { .input = &tegra_pll_s, .value = 1}, - { NULL , 0}, +static struct clk tegra_clk_m; +static struct clk_tegra tegra_clk_m_hw = { + .hw = { + .clk = &tegra_clk_m, + }, + .flags = ENABLE_ON_INIT, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 26000000, + .fixed_rate = 0, }; static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .inputs = tegra_clk_m_sel, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 26000000, + .name = "clk_m", + .ops = &tegra_clk_m_ops, + .hw = &tegra_clk_m_hw.hw, + .flags = CLK_IGNORE_UNUSED, + .parent_names = clk_m_parent_names, + .parents = clk_m_parents, + .num_parents = ARRAY_SIZE(clk_m_parent_names), +}; + +#define DEFINE_PLL(_name, _flags, _reg, _max_rate, _input_min, \ + _input_max, _cf_min, _cf_max, _vco_min, \ + _vco_max, _freq_table, _lock_delay, _ops, \ + _fixed_rate, _parent) \ + static const char *tegra_##_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *tegra_##_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .u.pll = { \ + .input_min = _input_min, \ + .input_max = _input_max, \ + .cf_min = _cf_min, \ + .cf_max = _cf_max, \ + .vco_min = _vco_min, \ + .vco_max = _vco_max, \ + .freq_table = _freq_table, \ + .lock_delay = _lock_delay, \ + .fixed_rate = _fixed_rate, \ + }, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent = &tegra_##_parent, \ + .parent_names = tegra_##_name##_parent_names, \ + .parents = tegra_##_name##_parents, \ + .num_parents = 1, \ + }; + +#define DEFINE_PLL_OUT(_name, _flags, _reg, _reg_shift, \ + _max_rate, _ops, _parent, _clk_flags) \ + static const char *tegra_##_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *tegra_##_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .reg_shift = _reg_shift, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_pll_div_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent = &tegra_##_parent, \ + .parent_names = tegra_##_name##_parent_names, \ + .parents = tegra_##_name##_parents, \ + .num_parents = 1, \ + .flags = _clk_flags, \ + }; + + +static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { + {32768, 12000000, 366, 1, 1, 0}, + {32768, 13000000, 397, 1, 1, 0}, + {32768, 19200000, 586, 1, 1, 0}, + {32768, 26000000, 793, 1, 1, 0}, + {0, 0, 0, 0, 0, 0}, }; +DEFINE_PLL(pll_s, PLL_ALT_MISC_REG, 0xf0, 26000000, 32768, 32768, 0, + 0, 12000000, 26000000, tegra_pll_s_freq_table, 300, + tegra_pll_ops, 0, clk_32k); + static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 600000000, 600, 12, 1, 8 }, { 13000000, 600000000, 600, 13, 1, 8 }, @@ -93,34 +189,12 @@ static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_clk_m, - .max_rate = 600000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_c, PLL_HAS_CPCON, 0x80, 600000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_c_freq_table, 300, + tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_c_out1, DIV_U71, 0x84, 0, 600000000, + tegra_pll_div_ops, pll_c, 0); static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 12000000, 666000000, 666, 12, 1, 8}, @@ -134,34 +208,12 @@ static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_clk_m, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_m, PLL_HAS_CPCON, 0x90, 800000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1200000000, tegra_pll_m_freq_table, 300, + tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_m_out1, DIV_U71, 0x94, 0, 600000000, + tegra_pll_div_ops, pll_m, 0); static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 12000000, 216000000, 432, 12, 2, 8}, @@ -175,64 +227,19 @@ static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_clk_m, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - }, -}; -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; +DEFINE_PLL(pll_p, ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, 0xa0, 432000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1400000000, + tegra_pll_p_freq_table, 300, tegra_pll_ops, 216000000, clk_m); -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; +DEFINE_PLL_OUT(pll_p_out1, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, 0, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out2, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, 16, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out3, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, 0, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out4, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, 16, + 432000000, tegra_pll_div_ops, pll_p, 0); static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 28800000, 56448000, 49, 25, 1, 1}, @@ -241,34 +248,12 @@ static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 73728000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_a, PLL_HAS_CPCON, 0xb0, 73728000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_a_freq_table, 300, + tegra_pll_ops, 0, pll_p_out1); -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 73728000, -}; +DEFINE_PLL_OUT(pll_a_out0, DIV_U71, 0xb4, 0, 73728000, + tegra_pll_div_ops, pll_a, 0); static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 12000000, 216000000, 216, 12, 1, 4}, @@ -289,32 +274,12 @@ static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_pll_ops, - .reg = 0xd0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_d, PLL_HAS_CPCON | PLLD, 0xd0, 1000000000, 2000000, 40000000, + 1000000, 6000000, 40000000, 1000000000, tegra_pll_d_freq_table, + 1000, tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; +DEFINE_PLL_OUT(pll_d_out0, DIV_2 | PLLD, 0, 0, 500000000, + tegra_pll_div_ops, pll_d, CLK_SET_RATE_PARENT); static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 12000000, 480000000, 960, 12, 2, 0}, @@ -324,24 +289,9 @@ static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_clk_m, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_u, PLLU, 0xc0, 480000000, 2000000, 40000000, 1000000, 6000000, + 48000000, 960000000, tegra_pll_u_freq_table, 1000, + tegra_pll_ops, 0, clk_m); static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { /* 1 GHz */ @@ -395,78 +345,86 @@ static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, - .ops = &tegra_pllx_ops, - .reg = 0xe0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_x, PLL_HAS_CPCON | PLL_ALT_MISC_REG, 0xe0, 1000000000, 2000000, + 31000000, 1000000, 6000000, 20000000, 1200000000, + tegra_pll_x_freq_table, 300, tegra_pllx_ops, 0, clk_m); static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { { 12000000, 100000000, 200, 24, 1, 0 }, { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .parent = &tegra_clk_m, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 12000000, - .freq_table = tegra_pll_e_freq_table, - }, +DEFINE_PLL(pll_e, PLL_ALT_MISC_REG, 0xe8, 100000000, 12000000, 12000000, 0, 0, + 0, 0, tegra_pll_e_freq_table, 0, tegra_plle_ops, 0, clk_m); + +static const char *tegra_common_parent_names[] = { + "clk_m", }; -static struct clk tegra_clk_d = { - .name = "clk_d", - .flags = PERIPH_NO_RESET, - .ops = &tegra_clk_double_ops, - .reg = 0x34, +static struct clk *tegra_common_parents[] = { + &tegra_clk_m, +}; + +static struct clk tegra_clk_d; +static struct clk_tegra tegra_clk_d_hw = { + .hw = { + .clk = &tegra_clk_d, + }, + .flags = PERIPH_NO_RESET, + .reg = 0x34, .reg_shift = 12, - .parent = &tegra_clk_m, - .max_rate = 52000000, - .u.periph = { + .max_rate = 52000000, + .u.periph = { .clk_num = 90, }, }; -/* dap_mclk1, belongs to the cdev1 pingroup. */ -static struct clk tegra_clk_cdev1 = { - .name = "cdev1", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { +static struct clk tegra_clk_d = { + .name = "clk_d", + .hw = &tegra_clk_d_hw.hw, + .ops = &tegra_clk_double_ops, + .parent = &tegra_clk_m, + .parent_names = tegra_common_parent_names, + .parents = tegra_common_parents, + .num_parents = ARRAY_SIZE(tegra_common_parent_names), +}; + +static struct clk tegra_cdev1; +static struct clk_tegra tegra_cdev1_hw = { + .hw = { + .clk = &tegra_cdev1, + }, + .max_rate = 26000000, + .u.periph = { .clk_num = 94, }, }; +static struct clk tegra_cdev1 = { + .name = "cdev1", + .hw = &tegra_cdev1_hw.hw, + .rate = 26000000, + .ops = &tegra_cdev_clk_ops, + .flags = CLK_IS_ROOT, +}; /* dap_mclk2, belongs to the cdev2 pingroup. */ -static struct clk tegra_clk_cdev2 = { - .name = "cdev2", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 93, +static struct clk tegra_cdev2; +static struct clk_tegra tegra_cdev2_hw = { + .hw = { + .clk = &tegra_cdev2, + }, + .max_rate = 26000000, + .u.periph = { + .clk_num = 93, }, }; +static struct clk tegra_cdev2 = { + .name = "cdev2", + .hw = &tegra_cdev2_hw.hw, + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .flags = CLK_IS_ROOT, +}; /* initialized before peripheral clocks */ static struct clk_mux_sel mux_audio_sync_clk[8+1]; @@ -487,30 +445,66 @@ static const struct audio_sources { { NULL, 0 } }; -static struct clk tegra_clk_audio = { - .name = "audio", - .inputs = mux_audio_sync_clk, - .reg = 0x38, - .max_rate = 73728000, - .ops = &tegra_audio_sync_clk_ops +static const char *audio_parent_names[] = { + "spdif_in", + "i2s1", + "i2s2", + "dummy", + "pll_a_out0", + "dummy", + "dummy", + "dummy", }; -static struct clk tegra_clk_audio_2x = { - .name = "audio_2x", - .flags = PERIPH_NO_RESET, - .max_rate = 48000000, - .ops = &tegra_clk_double_ops, - .reg = 0x34, +static struct clk *audio_parents[] = { + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, +}; + +static struct clk tegra_audio; +static struct clk_tegra tegra_audio_hw = { + .hw = { + .clk = &tegra_audio, + }, + .reg = 0x38, + .max_rate = 73728000, +}; +DEFINE_CLK_TEGRA(audio, 0, &tegra_audio_sync_clk_ops, 0, audio_parent_names, + audio_parents, NULL); + +static const char *audio_2x_parent_names[] = { + "audio", +}; + +static struct clk *audio_2x_parents[] = { + &tegra_audio, +}; + +static struct clk tegra_audio_2x; +static struct clk_tegra tegra_audio_2x_hw = { + .hw = { + .clk = &tegra_audio_2x, + }, + .flags = PERIPH_NO_RESET, + .max_rate = 48000000, + .reg = 0x34, .reg_shift = 8, - .parent = &tegra_clk_audio, .u.periph = { .clk_num = 89, }, }; +DEFINE_CLK_TEGRA(audio_2x, 0, &tegra_clk_double_ops, 0, audio_2x_parent_names, + audio_2x_parents, &tegra_audio); static struct clk_lookup tegra_audio_clk_lookups[] = { - { .con_id = "audio", .clk = &tegra_clk_audio }, - { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } + { .con_id = "audio", .clk = &tegra_audio }, + { .con_id = "audio_2x", .clk = &tegra_audio_2x } }; /* This is called after peripheral clocks are initialized, as the @@ -529,315 +523,501 @@ static void init_audio_sync_clock_mux(void) if (!sel->input) pr_err("%s: could not find clk %s\n", __func__, src->name); + audio_parents[src->value] = sel->input; sel->value = src->value; } lookup = tegra_audio_clk_lookups; for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { - clk_init(lookup->clk); - clkdev_add(lookup); + struct clk *c = lookup->clk; + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + clk->lookup.con_id = lookup->con_id; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } } -static struct clk_mux_sel mux_cclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_clk_d, .value = 7}, - { .input = &tegra_pll_x, .value = 8}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - { .input = &tegra_clk_d, .value = 5}, - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { NULL, 0}, -}; - -static struct clk tegra_clk_cclk = { - .name = "cclk", - .inputs = mux_cclk, - .reg = 0x20, - .ops = &tegra_super_ops, +static const char *mux_cclk[] = { + "clk_m", + "pll_c", + "clk_32k", + "pll_m", + "pll_p", + "pll_p_out4", + "pll_p_out3", + "clk_d", + "pll_x", +}; + + +static struct clk *mux_cclk_p[] = { + &tegra_clk_m, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_pll_m, + &tegra_pll_p, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_clk_d, + &tegra_pll_x, +}; + +static const char *mux_sclk[] = { + "clk_m", + "pll_c_out1", + "pll_p_out4", + "pllp_p_out3", + "pll_p_out2", + "clk_d", + "clk_32k", + "pll_m_out1", +}; + +static struct clk *mux_sclk_p[] = { + &tegra_clk_m, + &tegra_pll_c_out1, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_pll_p_out2, + &tegra_clk_d, + &tegra_clk_32k, + &tegra_pll_m_out1, +}; + +static struct clk tegra_cclk; +static struct clk_tegra tegra_cclk_hw = { + .hw = { + .clk = &tegra_cclk, + }, + .reg = 0x20, .max_rate = 1000000000, }; +DEFINE_CLK_TEGRA(cclk, 0, &tegra_super_ops, 0, mux_cclk, + mux_cclk_p, NULL); -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, +static struct clk tegra_sclk; +static struct clk_tegra tegra_sclk_hw = { + .hw = { + .clk = &tegra_sclk, + }, + .reg = 0x28, .max_rate = 240000000, .min_rate = 120000000, }; +DEFINE_CLK_TEGRA(sclk, 0, &tegra_super_ops, 0, mux_sclk, + mux_sclk_p, NULL); -static struct clk tegra_clk_virtual_cpu = { - .name = "cpu", - .parent = &tegra_clk_cclk, - .ops = &tegra_cpu_ops, - .max_rate = 1000000000, - .u.cpu = { - .main = &tegra_pll_x, - .backup = &tegra_pll_p, - }, +static const char *tegra_cop_parent_names[] = { + "tegra_sclk", +}; + +static struct clk *tegra_cop_parents[] = { + &tegra_sclk, }; -static struct clk tegra_clk_cop = { - .name = "cop", - .parent = &tegra_clk_sclk, - .ops = &tegra_cop_ops, +static struct clk tegra_cop; +static struct clk_tegra tegra_cop_hw = { + .hw = { + .clk = &tegra_cop, + }, .max_rate = 240000000, + .reset = &tegra2_cop_clk_reset, +}; +DEFINE_CLK_TEGRA(cop, 0, &tegra_cop_ops, CLK_SET_RATE_PARENT, + tegra_cop_parent_names, tegra_cop_parents, &tegra_sclk); + +static const char *tegra_hclk_parent_names[] = { + "tegra_sclk", +}; + +static struct clk *tegra_hclk_parents[] = { + &tegra_sclk, +}; + +static struct clk tegra_hclk; +static struct clk_tegra tegra_hclk_hw = { + .hw = { + .clk = &tegra_hclk, + }, + .flags = DIV_BUS, + .reg = 0x30, + .reg_shift = 4, + .max_rate = 240000000, +}; +DEFINE_CLK_TEGRA(hclk, 0, &tegra_bus_ops, 0, tegra_hclk_parent_names, + tegra_hclk_parents, &tegra_sclk); + +static const char *tegra_pclk_parent_names[] = { + "tegra_hclk", +}; + +static struct clk *tegra_pclk_parents[] = { + &tegra_hclk, +}; + +static struct clk tegra_pclk; +static struct clk_tegra tegra_pclk_hw = { + .hw = { + .clk = &tegra_pclk, + }, + .flags = DIV_BUS, + .reg = 0x30, + .reg_shift = 0, + .max_rate = 120000000, +}; +DEFINE_CLK_TEGRA(pclk, 0, &tegra_bus_ops, 0, tegra_pclk_parent_names, + tegra_pclk_parents, &tegra_hclk); + +static const char *tegra_blink_parent_names[] = { + "ckl_32k", +}; + +static struct clk *tegra_blink_parents[] = { + &tegra_clk_32k, +}; + +static struct clk tegra_blink; +static struct clk_tegra tegra_blink_hw = { + .hw = { + .clk = &tegra_blink, + }, + .reg = 0x40, + .max_rate = 32768, +}; +DEFINE_CLK_TEGRA(blink, 0, &tegra_blink_clk_ops, 0, tegra_blink_parent_names, + tegra_blink_parents, &tegra_blink); + +static const char *mux_pllm_pllc_pllp_plla[] = { + "pll_m", + "pll_c", + "pll_p", + "pll_a_out0", +}; + +static struct clk *mux_pllm_pllc_pllp_plla_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_pll_a_out0, }; -static struct clk tegra_clk_hclk = { - .name = "hclk", - .flags = DIV_BUS, - .parent = &tegra_clk_sclk, - .reg = 0x30, - .reg_shift = 4, - .ops = &tegra_bus_ops, - .max_rate = 240000000, +static const char *mux_pllm_pllc_pllp_clkm[] = { + "pll_m", + "pll_c", + "pll_p", + "clk_m", }; -static struct clk tegra_clk_pclk = { - .name = "pclk", - .flags = DIV_BUS, - .parent = &tegra_clk_hclk, - .reg = 0x30, - .reg_shift = 0, - .ops = &tegra_bus_ops, - .max_rate = 120000000, +static struct clk *mux_pllm_pllc_pllp_clkm_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_clk_m, }; -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, +static const char *mux_pllp_pllc_pllm_clkm[] = { + "pll_p", + "pll_c", + "pll_m", + "clk_m", }; -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_pllm_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static const char *mux_pllaout0_audio2x_pllp_clkm[] = { + "pll_a_out0", + "audio_2x", + "pll_p", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllaout0_audio2x_pllp_clkm_p[] = { + &tegra_pll_a_out0, + &tegra_audio_2x, + &tegra_pll_p, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { - {.input = &tegra_pll_a_out0, .value = 0}, - {.input = &tegra_clk_audio_2x, .value = 1}, - {.input = &tegra_pll_p, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static const char *mux_pllp_plld_pllc_clkm[] = { + "pllp", + "pll_d_out0", + "pll_c", + "clk_m", }; -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllp_plld_pllc_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_d_out0, + &tegra_pll_c, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_audio, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - {.input = &tegra_clk_32k, .value = 4}, - { NULL, 0}, +static const char *mux_pllp_pllc_audio_clkm_clk32[] = { + "pll_p", + "pll_c", + "audio", + "clk_m", + "clk_32k", }; -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_audio_clkm_clk32_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_audio, + &tegra_clk_m, + &tegra_clk_32k, }; -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { NULL, 0}, +static const char *mux_pllp_pllc_pllm[] = { + "pll_p", + "pll_c", + "pll_m" }; -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_pllm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, }; -static struct clk_mux_sel mux_plld[] = { - { .input = &tegra_pll_d, .value = 0}, - { NULL, 0}, +static const char *mux_clk_m[] = { + "clk_m", }; -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { NULL, 0}, +static struct clk *mux_clk_m_p[] = { + &tegra_clk_m, }; -static struct clk_mux_sel mux_pclk[] = { - { .input = &tegra_clk_pclk, .value = 0}, - { NULL, 0}, +static const char *mux_pllp_out3[] = { + "pll_p_out3", }; -static struct clk tegra_clk_emc = { - .name = "emc", - .ops = &tegra_emc_clk_ops, +static struct clk *mux_pllp_out3_p[] = { + &tegra_pll_p_out3, +}; + +static const char *mux_plld[] = { + "pll_d", +}; + +static struct clk *mux_plld_p[] = { + &tegra_pll_d, +}; + +static const char *mux_clk_32k[] = { + "clk_32k", +}; + +static struct clk *mux_clk_32k_p[] = { + &tegra_clk_32k, +}; + +static const char *mux_pclk[] = { + "pclk", +}; + +static struct clk *mux_pclk_p[] = { + &tegra_pclk, +}; + +static struct clk tegra_emc; +static struct clk_tegra tegra_emc_hw = { + .hw = { + .clk = &tegra_emc, + }, .reg = 0x19c, .max_rate = 800000000, - .inputs = mux_pllm_pllc_pllp_clkm, .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, + .reset = &tegra2_periph_clk_reset, .u.periph = { .clk_num = 57, }, }; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ +DEFINE_CLK_TEGRA(emc, 0, &tegra_emc_clk_ops, 0, mux_pllm_pllc_pllp_clkm, + mux_pllm_pllc_pllp_clkm_p, NULL); + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, \ + _max, _inputs, _flags) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ + .reg = _reg, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - } + .reset = &tegra2_periph_clk_reset, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_periph_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = _inputs, \ + .parents = _inputs##_p, \ + .num_parents = ARRAY_SIZE(_inputs), \ + }; + +PERIPH_CLK(apbdma, "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0); +PERIPH_CLK(rtc, "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET); +PERIPH_CLK(timer, "timer", NULL, 5, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(i2s1, "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(i2s2, "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(spdif_out, "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(spdif_in, "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71); +PERIPH_CLK(pwm, "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71); +PERIPH_CLK(spi, "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(xio, "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(twc, "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc1, "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc2, "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc3, "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc4, "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(ide, "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(ndflash, "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vfir, "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sdmmc1, "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc2, "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc3, "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc4, "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vcp, "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsea, "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsev, "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(vde, "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(csite, "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* max rate ??? */ +/* FIXME: what is la? */ +PERIPH_CLK(la, "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(owr, "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(nor, "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(mipi, "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(i2c1, "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c2, "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c3, "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(dvc, "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c1_i2c, "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(i2c2_i2c, "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(i2c3_i2c, "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(dvc_i2c, "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(uarta, "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartb, "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartc, "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartd, "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uarte, "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(3d, "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET); /* scales with voltage and process_id */ +PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(vi, "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET); /* scales with voltage and process_id */ +PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX); /* scales with voltage and process_id */ +PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX); /* scales with voltage and process_id */ +PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(dsi, "dsi", NULL, 48, 0, 500000000, mux_plld, 0); /* scales with voltage */ +PERIPH_CLK(csi, "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(isp, "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0); /* same frequency as VI */ +PERIPH_CLK(csus, "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET); +PERIPH_CLK(pex, NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); +PERIPH_CLK(afi, NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); +PERIPH_CLK(pcie_xclk, NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); + +static struct clk *tegra_list_clks[] = { + &tegra_apbdma, + &tegra_rtc, + &tegra_timer, + &tegra_i2s1, + &tegra_i2s2, + &tegra_spdif_out, + &tegra_spdif_in, + &tegra_pwm, + &tegra_spi, + &tegra_xio, + &tegra_twc, + &tegra_sbc1, + &tegra_sbc2, + &tegra_sbc3, + &tegra_sbc4, + &tegra_ide, + &tegra_ndflash, + &tegra_vfir, + &tegra_sdmmc1, + &tegra_sdmmc2, + &tegra_sdmmc3, + &tegra_sdmmc4, + &tegra_vcp, + &tegra_bsea, + &tegra_bsev, + &tegra_vde, + &tegra_csite, + &tegra_la, + &tegra_owr, + &tegra_nor, + &tegra_mipi, + &tegra_i2c1, + &tegra_i2c2, + &tegra_i2c3, + &tegra_dvc, + &tegra_i2c1_i2c, + &tegra_i2c2_i2c, + &tegra_i2c3_i2c, + &tegra_dvc_i2c, + &tegra_uarta, + &tegra_uartb, + &tegra_uartc, + &tegra_uartd, + &tegra_uarte, + &tegra_3d, + &tegra_2d, + &tegra_vi, + &tegra_vi_sensor, + &tegra_epp, + &tegra_mpe, + &tegra_host1x, + &tegra_cve, + &tegra_tvo, + &tegra_hdmi, + &tegra_tvdac, + &tegra_disp1, + &tegra_disp2, + &tegra_usbd, + &tegra_usb2, + &tegra_usb3, + &tegra_dsi, + &tegra_csi, + &tegra_isp, + &tegra_csus, + &tegra_pex, + &tegra_afi, + &tegra_pcie_xclk, +}; -static struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - /* FIXME: what is la? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - - SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), - SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), - SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), - SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), - SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), - SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), - SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), - SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), - SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), - SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), - SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ } /* Some clocks may be used by different drivers depending on the board @@ -850,29 +1030,30 @@ static struct clk_duplicate tegra_clk_duplicates[] = { CLK_DUPLICATE("uartc", "serial8250.2", NULL), CLK_DUPLICATE("uartd", "serial8250.3", NULL), CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), - CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), - CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), - CLK_DUPLICATE("epp", "tegra_grhost", "epp"), - CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), - CLK_DUPLICATE("cop", "tegra-avp", "cop"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), + CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), + CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), + CLK_DUPLICATE("epp", "tegra_grhost", "epp"), + CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), + CLK_DUPLICATE("cop", "tegra-avp", "cop"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("cclk", NULL, "cpu"), }; #define CLK(dev, con, ck) \ { \ - .dev_id = dev, \ - .con_id = con, \ - .clk = ck, \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ } static struct clk *tegra_ptr_clks[] = { @@ -895,27 +1076,28 @@ static struct clk *tegra_ptr_clks[] = { &tegra_pll_u, &tegra_pll_x, &tegra_pll_e, - &tegra_clk_cclk, - &tegra_clk_sclk, - &tegra_clk_hclk, - &tegra_clk_pclk, + &tegra_cclk, + &tegra_sclk, + &tegra_hclk, + &tegra_pclk, &tegra_clk_d, - &tegra_clk_cdev1, - &tegra_clk_cdev2, - &tegra_clk_virtual_cpu, - &tegra_clk_blink, - &tegra_clk_cop, - &tegra_clk_emc, + &tegra_cdev1, + &tegra_cdev2, + &tegra_blink, + &tegra_cop, + &tegra_emc, }; static void tegra2_init_one_clock(struct clk *c) { - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + if (!clk->lookup.dev_id && !clk->lookup.con_id) + clk->lookup.con_id = c->name; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } void __init tegra2_init_clocks(void) @@ -927,7 +1109,7 @@ void __init tegra2_init_clocks(void) tegra2_init_one_clock(tegra_ptr_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra2_init_one_clock(&tegra_list_clks[i]); + tegra2_init_one_clock(tegra_list_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c index 645ef69..1ffeee5 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.c +++ b/arch/arm/mach-tegra/tegra30_clocks.c @@ -381,14 +381,16 @@ static int tegra_periph_clk_enable_refcount[CLK_OUT_ENB_NUM * 32]; udelay(2); \ } while (0) - -static inline int clk_set_div(struct clk *c, u32 n) +static inline int clk_set_div(struct clk_tegra *c, u32 n) { - return clk_set_rate(c, (clk_get_rate(c->parent) + n-1) / n); + struct clk *clk = c->hw.clk; + + return clk_set_rate(clk, + (__clk_get_rate(__clk_get_parent(clk)) + n - 1) / n); } static inline u32 periph_clk_to_reg( - struct clk *c, u32 reg_L, u32 reg_V, int offs) + struct clk_tegra *c, u32 reg_L, u32 reg_V, int offs) { u32 reg = c->u.periph.clk_num / 32; BUG_ON(reg >= RST_DEVICES_NUM); @@ -470,15 +472,32 @@ static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate) return divider_u16 - 1; } +static unsigned long tegra30_clk_fixed_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + return to_clk_tegra(hw)->fixed_rate; +} + +struct clk_ops tegra_clk_32k_ops = { + .recalc_rate = tegra30_clk_fixed_recalc_rate, +}; + /* clk_m functions */ -static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c) +static unsigned long tegra30_clk_m_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + if (!to_clk_tegra(hw)->fixed_rate) + to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq(); + return to_clk_tegra(hw)->fixed_rate; +} + +static void tegra30_clk_m_init(struct clk_hw *hw) { u32 osc_ctrl = clk_readl(OSC_CTRL); u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK; u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK; - c->rate = clk_measure_input_freq(); - switch (c->rate) { + switch (to_clk_tegra(hw)->fixed_rate) { case 12000000: auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ; BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); @@ -508,46 +527,44 @@ static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c) BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4); break; default: - pr_err("%s: Unexpected clock rate %ld", __func__, c->rate); + pr_err("%s: Unexpected clock rate %ld", __func__, + to_clk_tegra(hw)->fixed_rate); BUG(); } clk_writel(auto_clock_control, OSC_CTRL); - return c->rate; } -static void tegra30_clk_m_init(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - tegra30_clk_m_autodetect_rate(c); -} +struct clk_ops tegra30_clk_m_ops = { + .init = tegra30_clk_m_init, + .recalc_rate = tegra30_clk_m_recalc_rate, +}; -static int tegra30_clk_m_enable(struct clk *c) +static unsigned long tegra_clk_m_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { - pr_debug("%s on clock %s\n", __func__, c->name); - return 0; -} + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; -static void tegra30_clk_m_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - WARN(1, "Attempting to disable main SoC clock\n"); -} + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } -struct clk_ops tegra30_clk_m_ops = { - .init = tegra30_clk_m_init, - .enable = tegra30_clk_m_enable, - .disable = tegra30_clk_m_disable, -}; + return rate; +} struct clk_ops tegra_clk_m_div_ops = { - .enable = tegra30_clk_m_enable, + .recalc_rate = tegra_clk_m_div_recalc_rate, }; /* PLL reference divider functions */ -static void tegra30_pll_ref_init(struct clk *c) +static unsigned long tegra30_pll_ref_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = parent_rate; u32 pll_ref_div = clk_readl(OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK; - pr_debug("%s on clock %s\n", __func__, c->name); switch (pll_ref_div) { case OSC_CTRL_PLL_REF_DIV_1: @@ -564,13 +581,18 @@ static void tegra30_pll_ref_init(struct clk *c) BUG(); } c->mul = 1; - c->state = ON; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } struct clk_ops tegra_pll_ref_ops = { - .init = tegra30_pll_ref_init, - .enable = tegra30_clk_m_enable, - .disable = tegra30_clk_m_disable, + .recalc_rate = tegra30_pll_ref_recalc_rate, }; /* super clock functions */ @@ -581,56 +603,50 @@ struct clk_ops tegra_pll_ref_ops = { * only when its parent is a fixed rate PLL, since we can't change PLL rate * in this case. */ -static void tegra30_super_clk_init(struct clk *c) +static void tegra30_super_clk_init(struct clk_hw *hw) { - u32 val; - int source; - int shift; - const struct clk_mux_sel *sel; - val = clk_readl(c->reg + SUPER_CLK_MUX); - c->state = ON; - BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && - ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); - shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? - SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - source = (val >> shift) & SUPER_SOURCE_MASK; - if (c->flags & DIV_2) - source |= val & SUPER_LP_DIV2_BYPASS; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->value == source) - break; - } - BUG_ON(sel->input == NULL); - c->parent = sel->input; + struct clk_tegra *c = to_clk_tegra(hw); + struct clk_tegra *p = + to_clk_tegra(__clk_get_hw(__clk_get_parent(hw->clk))); + c->state = ON; if (c->flags & DIV_U71) { /* Init safe 7.1 divider value (does not affect PLLX path) */ clk_writel(SUPER_CLOCK_DIV_U71_MIN << SUPER_CLOCK_DIV_U71_SHIFT, c->reg + SUPER_CLK_DIVIDER); c->mul = 2; c->div = 2; - if (!(c->parent->flags & PLLX)) + if (!(p->flags & PLLX)) c->div += SUPER_CLOCK_DIV_U71_MIN; } else clk_writel(0, c->reg + SUPER_CLK_DIVIDER); } -static int tegra30_super_clk_enable(struct clk *c) +static u8 tegra30_super_clk_get_parent(struct clk_hw *hw) { - return 0; -} + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; + int source; + int shift; -static void tegra30_super_clk_disable(struct clk *c) -{ - /* since tegra 3 has 2 CPU super clocks - low power lp-mode clock and - geared up g-mode super clock - mode switch may request to disable - either of them; accept request with no affect on h/w */ + val = clk_readl(c->reg + SUPER_CLK_MUX); + BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && + ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); + shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? + SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; + source = (val >> shift) & SUPER_SOURCE_MASK; + if (c->flags & DIV_2) + source |= val & SUPER_LP_DIV2_BYPASS; + + return source; } -static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_super_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); + struct clk_tegra *p = + to_clk_tegra(__clk_get_hw(clk_get_parent(hw->clk))); u32 val; - const struct clk_mux_sel *sel; int shift; val = clk_readl(c->reg + SUPER_CLK_MUX); @@ -638,48 +654,36 @@ static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - /* For LP mode super-clock switch between PLLX direct - and divided-by-2 outputs is allowed only when other - than PLLX clock source is current parent */ - if ((c->flags & DIV_2) && (p->flags & PLLX) && - ((sel->value ^ val) & SUPER_LP_DIV2_BYPASS)) { - if (c->parent->flags & PLLX) - return -EINVAL; - val ^= SUPER_LP_DIV2_BYPASS; - clk_writel_delay(val, c->reg); - } - val &= ~(SUPER_SOURCE_MASK << shift); - val |= (sel->value & SUPER_SOURCE_MASK) << shift; - - /* 7.1 divider for CPU super-clock does not affect - PLLX path */ - if (c->flags & DIV_U71) { - u32 div = 0; - if (!(p->flags & PLLX)) { - div = clk_readl(c->reg + - SUPER_CLK_DIVIDER); - div &= SUPER_CLOCK_DIV_U71_MASK; - div >>= SUPER_CLOCK_DIV_U71_SHIFT; - } - c->div = div + 2; - c->mul = 2; - } - if (c->refcnt) - clk_enable(p); - - clk_writel_delay(val, c->reg); - - if (c->refcnt && c->parent) - clk_disable(c->parent); + /* For LP mode super-clock switch between PLLX direct + and divided-by-2 outputs is allowed only when other + than PLLX clock source is current parent */ + if ((c->flags & DIV_2) && (p->flags & PLLX) && + ((index ^ val) & SUPER_LP_DIV2_BYPASS)) { + if (p->flags & PLLX) + return -EINVAL; + val ^= SUPER_LP_DIV2_BYPASS; + clk_writel_delay(val, c->reg); + } + val &= ~(SUPER_SOURCE_MASK << shift); + val |= (index & SUPER_SOURCE_MASK) << shift; - clk_reparent(c, p); - return 0; + /* 7.1 divider for CPU super-clock does not affect + PLLX path */ + if (c->flags & DIV_U71) { + u32 div = 0; + if (!(p->flags & PLLX)) { + div = clk_readl(c->reg + + SUPER_CLK_DIVIDER); + div &= SUPER_CLOCK_DIV_U71_MASK; + div >>= SUPER_CLOCK_DIV_U71_SHIFT; } + c->div = div + 2; + c->mul = 2; } - return -EINVAL; + clk_writel_delay(val, c->reg); + + return 0; } /* @@ -691,10 +695,15 @@ static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) * rate of this PLL can't be changed, and it has many other children. In * this case use 7.1 fractional divider to adjust the super clock rate. */ -static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_super_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - if ((c->flags & DIV_U71) && (c->parent->flags & PLL_FIXED)) { - int div = clk_div71_get_divider(c->parent->u.pll.fixed_rate, + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); + struct clk_tegra *cparent = to_clk_tegra(__clk_get_hw(parent)); + + if ((c->flags & DIV_U71) && (cparent->flags & PLL_FIXED)) { + int div = clk_div71_get_divider(parent_rate, rate, c->flags, ROUND_DIVIDER_DOWN); div = max(div, SUPER_CLOCK_DIV_U71_MIN); @@ -704,55 +713,86 @@ static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) c->mul = 2; return 0; } - return clk_set_rate(c->parent, rate); + return 0; +} + +static unsigned long tegra30_super_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_super_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); + struct clk_tegra *cparent = to_clk_tegra(__clk_get_hw(parent)); + int mul = 2; + int div; + + if ((c->flags & DIV_U71) && (cparent->flags & PLL_FIXED)) { + div = clk_div71_get_divider(*prate, + rate, c->flags, ROUND_DIVIDER_DOWN); + div = max(div, SUPER_CLOCK_DIV_U71_MIN) + 2; + rate = *prate * mul; + rate += div - 1; /* round up */ + do_div(rate, c->div); + + return rate; + } + return *prate; } struct clk_ops tegra30_super_ops = { .init = tegra30_super_clk_init, - .enable = tegra30_super_clk_enable, - .disable = tegra30_super_clk_disable, .set_parent = tegra30_super_clk_set_parent, + .get_parent = tegra30_super_clk_get_parent, + .recalc_rate = tegra30_super_clk_recalc_rate, + .round_rate = tegra30_super_clk_round_rate, .set_rate = tegra30_super_clk_set_rate, }; -static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra30_twd_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { - /* The input value 'rate' is the clock rate of the CPU complex. */ - c->rate = (rate * c->mul) / c->div; - return 0; + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } struct clk_ops tegra30_twd_ops = { - .set_rate = tegra30_twd_clk_set_rate, + .recalc_rate = tegra30_twd_clk_recalc_rate, }; /* Blink output functions */ - -static void tegra30_blink_clk_init(struct clk *c) +static int tegra30_blink_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; val = pmc_readl(PMC_CTRL); c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; - c->mul = 1; - val = pmc_readl(c->reg); - - if (val & PMC_BLINK_TIMER_ENB) { - unsigned int on_off; - - on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & - PMC_BLINK_TIMER_DATA_ON_MASK; - val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; - val &= PMC_BLINK_TIMER_DATA_OFF_MASK; - on_off += val; - /* each tick in the blink timer is 4 32KHz clocks */ - c->div = on_off * 4; - } else { - c->div = 1; - } + return c->state; } -static int tegra30_blink_clk_enable(struct clk *c) +static int tegra30_blink_clk_enable(struct clk_hw *hw) { u32 val; @@ -765,7 +805,7 @@ static int tegra30_blink_clk_enable(struct clk *c) return 0; } -static void tegra30_blink_clk_disable(struct clk *c) +static void tegra30_blink_clk_disable(struct clk_hw *hw) { u32 val; @@ -776,9 +816,11 @@ static void tegra30_blink_clk_disable(struct clk *c) pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); } -static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); + if (rate >= parent_rate) { c->div = 1; pmc_writel(0, c->reg); @@ -801,40 +843,77 @@ static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -struct clk_ops tegra30_blink_clk_ops = { - .init = &tegra30_blink_clk_init, - .enable = &tegra30_blink_clk_enable, - .disable = &tegra30_blink_clk_disable, - .set_rate = &tegra30_blink_clk_set_rate, -}; +static unsigned long tegra30_blink_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val; + u32 mul; + u32 div; + u32 on_off; -/* PLL Functions */ -static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg, - u32 lock_bit) + mul = 1; + val = pmc_readl(c->reg); + + if (val & PMC_BLINK_TIMER_ENB) { + on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & + PMC_BLINK_TIMER_DATA_ON_MASK; + val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; + val &= PMC_BLINK_TIMER_DATA_OFF_MASK; + on_off += val; + /* each tick in the blink timer is 4 32KHz clocks */ + div = on_off * 4; + } else { + div = 1; + } + + if (mul != 0 && div != 0) { + rate *= mul; + rate += div - 1; /* round up */ + do_div(rate, div); + } + return rate; +} + +static long tegra30_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { -#if USE_PLL_LOCK_BITS - int i; - for (i = 0; i < c->u.pll.lock_delay; i++) { - if (clk_readl(lock_reg) & lock_bit) { - udelay(PLL_POST_LOCK_DELAY); - return 0; - } - udelay(2); /* timeout = 2 * lock time */ + int div; + int mul; + long round_rate = *prate; + + mul = 1; + + if (rate >= *prate) { + div = 1; + } else { + div = DIV_ROUND_UP(*prate / 8, rate); + div *= 8; } - pr_err("Timed out waiting for lock bit on pll %s", c->name); - return -1; -#endif - udelay(c->u.pll.lock_delay); - return 0; + round_rate *= mul; + round_rate += div - 1; + do_div(round_rate, div); + + return round_rate; } -static void tegra30_utmi_param_configure(struct clk *c) +struct clk_ops tegra30_blink_clk_ops = { + .is_enabled = &tegra30_blink_clk_is_enabled, + .enable = &tegra30_blink_clk_enable, + .disable = &tegra30_blink_clk_disable, + .recalc_rate = &tegra30_blink_clk_recalc_rate, + .round_rate = &tegra30_blink_clk_round_rate, + .set_rate = &tegra30_blink_clk_set_rate, +}; + +static void tegra30_utmi_param_configure(struct clk_hw *hw) { + unsigned long main_rate = + __clk_get_rate(__clk_get_parent(__clk_get_parent(hw->clk))); u32 reg; int i; - unsigned long main_rate = - clk_get_rate(c->parent->parent); for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { if (main_rate == utmi_parameters[i].osc_frequency) @@ -885,50 +964,52 @@ static void tegra30_utmi_param_configure(struct clk *c) clk_writel(reg, UTMIP_PLL_CFG1); } -static void tegra30_pll_clk_init(struct clk *c) +/* PLL Functions */ +static int tegra30_pll_clk_wait_for_lock(struct clk_tegra *c, u32 lock_reg, + u32 lock_bit) +{ + int ret = 0; + +#if USE_PLL_LOCK_BITS + int i; + for (i = 0; i < c->u.pll.lock_delay; i++) { + if (clk_readl(lock_reg) & lock_bit) { + udelay(PLL_POST_LOCK_DELAY); + return 0; + } + udelay(2); /* timeout = 2 * lock time */ + } + pr_err("Timed out waiting for lock bit on pll %s", + __clk_get_name(hw->clk)); + ret = -1; +#else + udelay(c->u.pll.lock_delay); +#endif + return ret; +} + +static int tegra30_pll_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLL_BASE_ENABLE) ? ON : OFF; + return c->state; +} - if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { - const struct clk_pll_freq_table *sel; - unsigned long input_rate = clk_get_rate(c->parent); - for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { - if (sel->input_rate == input_rate && - sel->output_rate == c->u.pll.fixed_rate) { - c->mul = sel->n; - c->div = sel->m * sel->p; - return; - } - } - pr_err("Clock %s has unknown fixed frequency\n", c->name); - BUG(); - } else if (val & PLL_BASE_BYPASS) { - c->mul = 1; - c->div = 1; - } else { - c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT; - c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT; - if (c->flags & PLLU) - c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2; - else - c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >> - PLL_BASE_DIVP_SHIFT)); - if (c->flags & PLL_FIXED) { - unsigned long rate = clk_get_rate_locked(c); - BUG_ON(rate != c->u.pll.fixed_rate); - } - } +static void tegra30_pll_clk_init(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); if (c->flags & PLLU) - tegra30_utmi_param_configure(c); + tegra30_utmi_param_configure(hw); } -static int tegra30_pll_clk_enable(struct clk *c) +static int tegra30_pll_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); #if USE_PLL_LOCK_BITS val = clk_readl(c->reg + PLL_MISC(c)); @@ -951,10 +1032,11 @@ static int tegra30_pll_clk_enable(struct clk *c) return 0; } -static void tegra30_pll_clk_disable(struct clk *c) +static void tegra30_pll_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); @@ -967,36 +1049,36 @@ static void tegra30_pll_clk_disable(struct clk *c) } } -static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val, p_div, old_base; unsigned long input_rate; const struct clk_pll_freq_table *sel; struct clk_pll_freq_table cfg; - pr_debug("%s: %s %lu\n", __func__, c->name, rate); - if (c->flags & PLL_FIXED) { int ret = 0; if (rate != c->u.pll.fixed_rate) { pr_err("%s: Can not change %s fixed rate %lu to %lu\n", - __func__, c->name, c->u.pll.fixed_rate, rate); + __func__, __clk_get_name(hw->clk), + c->u.pll.fixed_rate, rate); ret = -EINVAL; } return ret; } if (c->flags & PLLM) { - if (rate != clk_get_rate_locked(c)) { + if (rate != __clk_get_rate(hw->clk)) { pr_err("%s: Can not change memory %s rate in flight\n", - __func__, c->name); + __func__, __clk_get_name(hw->clk)); return -EINVAL; } - return 0; } p_div = 0; - input_rate = clk_get_rate(c->parent); + input_rate = parent_rate; /* Check if the target rate is tabulated */ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { @@ -1054,7 +1136,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) (p_div > (PLL_BASE_DIVP_MASK >> PLL_BASE_DIVP_SHIFT)) || (cfg.output_rate > c->u.pll.vco_max)) { pr_err("%s: Failed to set %s out-of-table rate %lu\n", - __func__, c->name, rate); + __func__, __clk_get_name(hw->clk), rate); return -EINVAL; } p_div <<= PLL_BASE_DIVP_SHIFT; @@ -1072,7 +1154,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) return 0; if (c->state == ON) { - tegra30_pll_clk_disable(c); + tegra30_pll_clk_disable(hw); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); } clk_writel(val, c->reg + PLL_BASE); @@ -1094,87 +1176,201 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) } if (c->state == ON) - tegra30_pll_clk_enable(c); + tegra30_pll_clk_enable(hw); + + c->u.pll.fixed_rate = rate; return 0; } -struct clk_ops tegra30_pll_ops = { - .init = tegra30_pll_clk_init, - .enable = tegra30_pll_clk_enable, - .disable = tegra30_pll_clk_disable, - .set_rate = tegra30_pll_clk_set_rate, -}; - -static int -tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +static long tegra30_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { - u32 val, mask, reg; + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long input_rate = *prate; + unsigned long output_rate = *prate; + const struct clk_pll_freq_table *sel; + struct clk_pll_freq_table cfg; + int mul; + int div; + u32 p_div; + u32 val; - switch (p) { - case TEGRA_CLK_PLLD_CSI_OUT_ENB: - mask = PLLD_BASE_CSI_CLKENABLE; - reg = c->reg + PLL_BASE; - break; - case TEGRA_CLK_PLLD_DSI_OUT_ENB: - mask = PLLD_MISC_DSI_CLKENABLE; - reg = c->reg + PLL_MISC(c); - break; - case TEGRA_CLK_PLLD_MIPI_MUX_SEL: - if (!(c->flags & PLL_ALT_MISC_REG)) { - mask = PLLD_BASE_DSIB_MUX_MASK; - reg = c->reg + PLL_BASE; + if (c->flags & PLL_FIXED) + return c->u.pll.fixed_rate; + + if (c->flags & PLLM) + return __clk_get_rate(hw->clk); + + p_div = 0; + /* Check if the target rate is tabulated */ + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == input_rate && sel->output_rate == rate) { + if (c->flags & PLLU) { + BUG_ON(sel->p < 1 || sel->p > 2); + if (sel->p == 1) + p_div = PLLU_BASE_POST_DIV; + } else { + BUG_ON(sel->p < 1); + for (val = sel->p; val > 1; val >>= 1) + p_div++; + p_div <<= PLL_BASE_DIVP_SHIFT; + } break; } - /* fall through - error since PLLD2 does not have MUX_SEL control */ - default: - return -EINVAL; } - val = clk_readl(reg); - if (setting) - val |= mask; - else - val &= ~mask; - clk_writel(val, reg); - return 0; -} + if (sel->input_rate == 0) { + unsigned long cfreq; + BUG_ON(c->flags & PLLU); + sel = &cfg; -struct clk_ops tegra_plld_ops = { - .init = tegra30_pll_clk_init, - .enable = tegra30_pll_clk_enable, - .disable = tegra30_pll_clk_disable, + switch (input_rate) { + case 12000000: + case 26000000: + cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000; + break; + case 13000000: + cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000; + break; + case 16800000: + case 19200000: + cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000; + break; + default: + pr_err("%s: Unexpected reference rate %lu\n", + __func__, input_rate); + BUG(); + } + + /* Raise VCO to guarantee 0.5% accuracy */ + for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq; + cfg.output_rate <<= 1) + p_div++; + + cfg.p = 0x1 << p_div; + cfg.m = input_rate / cfreq; + cfg.n = cfg.output_rate / cfreq; + } + + mul = sel->n; + div = sel->m * sel->p; + + output_rate *= mul; + output_rate += div - 1; /* round up */ + do_div(output_rate, div); + + return output_rate; +} + +static unsigned long tegra30_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val = clk_readl(c->reg + PLL_BASE); + + if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { + const struct clk_pll_freq_table *sel; + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == parent_rate && + sel->output_rate == c->u.pll.fixed_rate) { + c->mul = sel->n; + c->div = sel->m * sel->p; + break; + } + } + pr_err("Clock %s has unknown fixed frequency\n", + __clk_get_name(hw->clk)); + BUG(); + } else if (val & PLL_BASE_BYPASS) { + c->mul = 1; + c->div = 1; + } else { + c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT; + c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT; + if (c->flags & PLLU) + c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2; + else + c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >> + PLL_BASE_DIVP_SHIFT)); + } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +struct clk_ops tegra30_pll_ops = { + .is_enabled = tegra30_pll_clk_is_enabled, + .init = tegra30_pll_clk_init, + .enable = tegra30_pll_clk_enable, + .disable = tegra30_pll_clk_disable, + .recalc_rate = tegra30_pll_recalc_rate, + .round_rate = tegra30_pll_round_rate, .set_rate = tegra30_pll_clk_set_rate, - .clk_cfg_ex = tegra30_plld_clk_cfg_ex, }; -static void tegra30_plle_clk_init(struct clk *c) +int tegra30_plld_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val, mask, reg; + + switch (p) { + case TEGRA_CLK_PLLD_CSI_OUT_ENB: + mask = PLLD_BASE_CSI_CLKENABLE; + reg = c->reg + PLL_BASE; + break; + case TEGRA_CLK_PLLD_DSI_OUT_ENB: + mask = PLLD_MISC_DSI_CLKENABLE; + reg = c->reg + PLL_MISC(c); + break; + case TEGRA_CLK_PLLD_MIPI_MUX_SEL: + if (!(c->flags & PLL_ALT_MISC_REG)) { + mask = PLLD_BASE_DSIB_MUX_MASK; + reg = c->reg + PLL_BASE; + break; + } + /* fall through - error since PLLD2 does not have MUX_SEL control */ + default: + return -EINVAL; + } + + val = clk_readl(reg); + if (setting) + val |= mask; + else + val &= ~mask; + clk_writel(val, reg); + return 0; +} - val = clk_readl(PLLE_AUX); - c->parent = (val & PLLE_AUX_PLLP_SEL) ? - tegra_get_clock_by_name("pll_p") : - tegra_get_clock_by_name("pll_ref"); +static int tegra30_plle_clk_is_enabled(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLLE_BASE_ENABLE) ? ON : OFF; - c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT; - c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT; - c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT; + return c->state; } -static void tegra30_plle_clk_disable(struct clk *c) +static void tegra30_plle_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); val = clk_readl(c->reg + PLL_BASE); val &= ~(PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE); clk_writel(val, c->reg + PLL_BASE); } -static void tegra30_plle_training(struct clk *c) +static void tegra30_plle_training(struct clk_tegra *c) { u32 val; @@ -1197,12 +1393,15 @@ static void tegra30_plle_training(struct clk *c) } while (!(val & PLLE_MISC_READY)); } -static int tegra30_plle_configure(struct clk *c, bool force_training) +static int tegra30_plle_configure(struct clk_hw *hw, bool force_training) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); const struct clk_pll_freq_table *sel; + u32 val; + unsigned long rate = c->u.pll.fixed_rate; - unsigned long input_rate = clk_get_rate(c->parent); + unsigned long input_rate = __clk_get_rate(parent); for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { if (sel->input_rate == input_rate && sel->output_rate == rate) @@ -1213,7 +1412,7 @@ static int tegra30_plle_configure(struct clk *c, bool force_training) return -ENOSYS; /* disable PLLE, clear setup fiels */ - tegra30_plle_clk_disable(c); + tegra30_plle_clk_disable(hw); val = clk_readl(c->reg + PLL_MISC(c)); val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK); @@ -1251,52 +1450,64 @@ static int tegra30_plle_configure(struct clk *c, bool force_training) return 0; } -static int tegra30_plle_clk_enable(struct clk *c) +static int tegra30_plle_clk_enable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); - return tegra30_plle_configure(c, !c->set); + struct clk_tegra *c = to_clk_tegra(hw); + + return tegra30_plle_configure(hw, !c->set); +} + +static unsigned long tegra30_plle_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = parent_rate; + u32 val; + + val = clk_readl(c->reg + PLL_BASE); + c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT; + c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT; + c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } struct clk_ops tegra30_plle_ops = { - .init = tegra30_plle_clk_init, + .is_enabled = tegra30_plle_clk_is_enabled, .enable = tegra30_plle_clk_enable, .disable = tegra30_plle_clk_disable, + .recalc_rate = tegra30_plle_clk_recalc_rate, }; /* Clock divider ops */ -static void tegra30_pll_div_clk_init(struct clk *c) +static int tegra30_pll_div_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + if (c->flags & DIV_U71) { - u32 divu71; u32 val = clk_readl(c->reg); val >>= c->reg_shift; c->state = (val & PLL_OUT_CLKEN) ? ON : OFF; if (!(val & PLL_OUT_RESET_DISABLE)) c->state = OFF; - - divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; - c->div = (divu71 + 2); - c->mul = 2; - } else if (c->flags & DIV_2) { - c->state = ON; - if (c->flags & (PLLD | PLLX)) { - c->div = 2; - c->mul = 1; - } else - BUG(); } else { c->state = ON; - c->div = 1; - c->mul = 1; } + return c->state; } -static int tegra30_pll_div_clk_enable(struct clk *c) +static int tegra30_pll_div_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; - pr_debug("%s: %s\n", __func__, c->name); + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); if (c->flags & DIV_U71) { val = clk_readl(c->reg); new_val = val >> c->reg_shift; @@ -1314,12 +1525,13 @@ static int tegra30_pll_div_clk_enable(struct clk *c) return -EINVAL; } -static void tegra30_pll_div_clk_disable(struct clk *c) +static void tegra30_pll_div_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; - pr_debug("%s: %s\n", __func__, c->name); + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); if (c->flags & DIV_U71) { val = clk_readl(c->reg); new_val = val >> c->reg_shift; @@ -1333,14 +1545,14 @@ static void tegra30_pll_div_clk_disable(struct clk *c) } } -static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_pll_div_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; int divider_u71; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { divider_u71 = clk_div71_get_divider( parent_rate, rate, c->flags, ROUND_DIVIDER_UP); @@ -1358,19 +1570,59 @@ static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate) clk_writel_delay(val, c->reg); c->div = divider_u71 + 2; c->mul = 2; + c->fixed_rate = rate; return 0; } - } else if (c->flags & DIV_2) - return clk_set_rate(c->parent, rate * 2); + } else if (c->flags & DIV_2) { + c->fixed_rate = rate; + return 0; + } return -EINVAL; } -static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) +static unsigned long tegra30_pll_div_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->flags & DIV_U71) { + u32 divu71; + u32 val = clk_readl(c->reg); + val >>= c->reg_shift; + + divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; + c->div = (divu71 + 2); + c->mul = 2; + } else if (c->flags & DIV_2) { + if (c->flags & (PLLD | PLLX)) { + c->div = 2; + c->mul = 1; + } else + BUG(); + } else { + c->div = 1; + c->mul = 1; + } + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_pll_div_clk_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1378,23 +1630,25 @@ static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) if (divider < 0) return divider; return DIV_ROUND_UP(parent_rate * 2, divider + 2); - } else if (c->flags & DIV_2) - /* no rounding - fixed DIV_2 dividers pass rate to parent PLL */ + } else if (c->flags & DIV_2) { + *prate = rate * 2; return rate; + } return -EINVAL; } struct clk_ops tegra30_pll_div_ops = { - .init = tegra30_pll_div_clk_init, + .is_enabled = tegra30_pll_div_clk_is_enabled, .enable = tegra30_pll_div_clk_enable, .disable = tegra30_pll_div_clk_disable, .set_rate = tegra30_pll_div_clk_set_rate, + .recalc_rate = tegra30_pll_div_clk_recalc_rate, .round_rate = tegra30_pll_div_clk_round_rate, }; /* Periph clk ops */ -static inline u32 periph_clk_source_mask(struct clk *c) +static inline u32 periph_clk_source_mask(struct clk_tegra *c) { if (c->flags & MUX8) return 7 << 29; @@ -1408,7 +1662,7 @@ static inline u32 periph_clk_source_mask(struct clk *c) return 3 << 30; } -static inline u32 periph_clk_source_shift(struct clk *c) +static inline u32 periph_clk_source_shift(struct clk_tegra *c) { if (c->flags & MUX8) return 29; @@ -1422,47 +1676,9 @@ static inline u32 periph_clk_source_shift(struct clk *c) return 30; } -static void tegra30_periph_clk_init(struct clk *c) +static int tegra30_periph_clk_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - const struct clk_mux_sel *mux = 0; - const struct clk_mux_sel *sel; - if (c->flags & MUX) { - for (sel = c->inputs; sel->input != NULL; sel++) { - if (((val & periph_clk_source_mask(c)) >> - periph_clk_source_shift(c)) == sel->value) - mux = sel; - } - BUG_ON(!mux); - - c->parent = mux->input; - } else { - c->parent = c->inputs[0].input; - } - - if (c->flags & DIV_U71) { - u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; - if ((c->flags & DIV_U71_UART) && - (!(val & PERIPH_CLK_UART_DIV_ENB))) { - divu71 = 0; - } - if (c->flags & DIV_U71_IDLE) { - val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK << - PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); - val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL << - PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); - clk_writel(val, c->reg); - } - c->div = divu71 + 2; - c->mul = 2; - } else if (c->flags & DIV_U16) { - u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; - c->div = divu16 + 1; - c->mul = 1; - } else { - c->div = 1; - c->mul = 1; - } + struct clk_tegra *c = to_clk_tegra(hw); c->state = ON; if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) @@ -1470,11 +1686,12 @@ static void tegra30_periph_clk_init(struct clk *c) if (!(c->flags & PERIPH_NO_RESET)) if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & PERIPH_CLK_TO_BIT(c)) c->state = OFF; + return c->state; } -static int tegra30_periph_clk_enable(struct clk *c) +static int tegra30_periph_clk_enable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); + struct clk_tegra *c = to_clk_tegra(hw); tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1) @@ -1493,13 +1710,12 @@ static int tegra30_periph_clk_enable(struct clk *c) return 0; } -static void tegra30_periph_clk_disable(struct clk *c) +static void tegra30_periph_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long val; - pr_debug("%s on clock %s\n", __func__, c->name); - if (c->refcnt) - tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) { /* If peripheral is in the APB bus then read the APB bus to @@ -1513,11 +1729,10 @@ static void tegra30_periph_clk_disable(struct clk *c) } } -static void tegra30_periph_clk_reset(struct clk *c, bool assert) +void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long val; - pr_debug("%s %s on clock %s\n", __func__, - assert ? "assert" : "deassert", c->name); if (!(c->flags & PERIPH_NO_RESET)) { if (assert) { @@ -1536,42 +1751,40 @@ static void tegra30_periph_clk_reset(struct clk *c, bool assert) } } -static int tegra30_periph_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_periph_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); if (!(c->flags & MUX)) - return (p == c->parent) ? 0 : (-EINVAL); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~periph_clk_source_mask(c); - val |= (sel->value << periph_clk_source_shift(c)); + return (index == 0) ? 0 : (-EINVAL); - if (c->refcnt) - clk_enable(p); - - clk_writel_delay(val, c->reg); + val = clk_readl(c->reg); + val &= ~periph_clk_source_mask(c); + val |= (index << periph_clk_source_shift(c)); + clk_writel_delay(val, c->reg); + return 0; +} - if (c->refcnt && c->parent) - clk_disable(c->parent); +static u8 tegra30_periph_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source = (val & periph_clk_source_mask(c)) >> + periph_clk_source_shift(c); - clk_reparent(c, p); - return 0; - } - } + if (!(c->flags & MUX)) + return 0; - return -EINVAL; + return source; } -static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_periph_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1610,12 +1823,15 @@ static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static long tegra30_periph_clk_round_rate(struct clk *c, - unsigned long rate) +static long tegra30_periph_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1633,20 +1849,85 @@ static long tegra30_periph_clk_round_rate(struct clk *c, return -EINVAL; } +static unsigned long tegra30_periph_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val = clk_readl(c->reg); + + if (c->flags & DIV_U71) { + u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; + if ((c->flags & DIV_U71_UART) && + (!(val & PERIPH_CLK_UART_DIV_ENB))) { + divu71 = 0; + } + if (c->flags & DIV_U71_IDLE) { + val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK << + PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); + val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL << + PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); + clk_writel(val, c->reg); + } + c->div = divu71 + 2; + c->mul = 2; + } else if (c->flags & DIV_U16) { + u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; + c->div = divu16 + 1; + c->mul = 1; + } else { + c->div = 1; + c->mul = 1; + } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; +} + struct clk_ops tegra30_periph_clk_ops = { - .init = &tegra30_periph_clk_init, + .is_enabled = &tegra30_periph_clk_is_enabled, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, .set_parent = &tegra30_periph_clk_set_parent, + .get_parent = &tegra30_periph_clk_get_parent, + .set_rate = &tegra30_periph_clk_set_rate, + .round_rate = &tegra30_periph_clk_round_rate, + .recalc_rate = &tegra30_periph_clk_recalc_rate, +}; + +static int tegra30_dsib_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk *d = clk_get_sys(NULL, "pll_d"); + /* The DSIB parent selection bit is in PLLD base + register - can not do direct r-m-w, must be + protected by PLLD lock */ + tegra_clk_cfg_ex( + d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, index); + + return 0; +} + +struct clk_ops tegra30_dsib_clk_ops = { + .is_enabled = &tegra30_periph_clk_is_enabled, + .enable = &tegra30_periph_clk_enable, + .disable = &tegra30_periph_clk_disable, + .set_parent = &tegra30_dsib_clk_set_parent, + .get_parent = &tegra30_periph_clk_get_parent, .set_rate = &tegra30_periph_clk_set_rate, .round_rate = &tegra30_periph_clk_round_rate, - .reset = &tegra30_periph_clk_reset, + .recalc_rate = &tegra30_periph_clk_recalc_rate, }; /* Periph extended clock configuration ops */ -static int -tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_vi_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_VI_INP_SEL) { u32 val = clk_readl(c->reg); val &= ~PERIPH_CLK_VI_SEL_EX_MASK; @@ -1658,20 +1939,11 @@ tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_vi_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_vi_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int -tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_nand_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_NAND_PAD_DIV2_ENB) { u32 val = clk_readl(c->reg); if (setting) @@ -1684,20 +1956,11 @@ tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_nand_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_nand_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int -tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_DTV_INVERT) { u32 val = clk_readl(c->reg); if (setting) @@ -1710,91 +1973,27 @@ tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_dtv_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_dtv_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p) -{ - const struct clk_mux_sel *sel; - struct clk *d = tegra_get_clock_by_name("pll_d"); - - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - if (c->refcnt) - clk_enable(p); - - /* The DSIB parent selection bit is in PLLD base - register - can not do direct r-m-w, must be - protected by PLLD lock */ - tegra_clk_cfg_ex( - d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, sel->value); - - if (c->refcnt && c->parent) - clk_disable(c->parent); - - clk_reparent(c, p); - return 0; - } - } - - return -EINVAL; -} - -struct clk_ops tegra_dsib_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_dsib_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .reset = &tegra30_periph_clk_reset, -}; - -/* pciex clock support only reset function */ -struct clk_ops tegra_pciex_clk_ops = { - .reset = tegra30_periph_clk_reset, -}; - /* Output clock ops */ static DEFINE_SPINLOCK(clk_out_lock); -static void tegra30_clk_out_init(struct clk *c) +static int tegra30_clk_out_is_enabled(struct clk_hw *hw) { - const struct clk_mux_sel *mux = 0; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = pmc_readl(c->reg); c->state = (val & (0x1 << c->u.periph.clk_num)) ? ON : OFF; c->mul = 1; c->div = 1; - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (((val & periph_clk_source_mask(c)) >> - periph_clk_source_shift(c)) == sel->value) - mux = sel; - } - BUG_ON(!mux); - c->parent = mux->input; + return c->state; } -static int tegra30_clk_out_enable(struct clk *c) +static int tegra30_clk_out_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); - spin_lock_irqsave(&clk_out_lock, flags); val = pmc_readl(c->reg); val |= (0x1 << c->u.periph.clk_num); @@ -1804,13 +2003,12 @@ static int tegra30_clk_out_enable(struct clk *c) return 0; } -static void tegra30_clk_out_disable(struct clk *c) +static void tegra30_clk_out_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); - spin_lock_irqsave(&clk_out_lock, flags); val = pmc_readl(c->reg); val &= ~(0x1 << c->u.periph.clk_num); @@ -1818,58 +2016,58 @@ static void tegra30_clk_out_disable(struct clk *c) spin_unlock_irqrestore(&clk_out_lock, flags); } -static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p) +static int tegra30_clk_out_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - if (c->refcnt) - clk_enable(p); + spin_lock_irqsave(&clk_out_lock, flags); + val = pmc_readl(c->reg); + val &= ~periph_clk_source_mask(c); + val |= (index << periph_clk_source_shift(c)); + pmc_writel(val, c->reg); + spin_unlock_irqrestore(&clk_out_lock, flags); - spin_lock_irqsave(&clk_out_lock, flags); - val = pmc_readl(c->reg); - val &= ~periph_clk_source_mask(c); - val |= (sel->value << periph_clk_source_shift(c)); - pmc_writel(val, c->reg); - spin_unlock_irqrestore(&clk_out_lock, flags); + return 0; +} - if (c->refcnt && c->parent) - clk_disable(c->parent); +static u8 tegra30_clk_out_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = pmc_readl(c->reg); + int source; - clk_reparent(c, p); - return 0; - } - } - return -EINVAL; + source = (val & periph_clk_source_mask(c)) >> + periph_clk_source_shift(c); + return source; } struct clk_ops tegra_clk_out_ops = { - .init = &tegra30_clk_out_init, + .is_enabled = &tegra30_clk_out_is_enabled, .enable = &tegra30_clk_out_enable, .disable = &tegra30_clk_out_disable, .set_parent = &tegra30_clk_out_set_parent, + .get_parent = &tegra30_clk_out_get_parent, }; /* Clock doubler ops */ -static void tegra30_clk_double_init(struct clk *c) +static int tegra30_clk_double_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - c->mul = val & (0x1 << c->reg_shift) ? 1 : 2; - c->div = 1; + struct clk_tegra *c = to_clk_tegra(hw); + c->state = ON; if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) c->state = OFF; + return c->state; }; -static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) +static int tegra30_clk_double_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - unsigned long parent_rate = clk_get_rate(c->parent); + if (rate == parent_rate) { val = clk_readl(c->reg) | (0x1 << c->reg_shift); clk_writel(val, c->reg); @@ -1886,108 +2084,137 @@ static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } +static unsigned long tegra30_clk_double_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + u32 val = clk_readl(c->reg); + c->mul = val & (0x1 << c->reg_shift) ? 1 : 2; + c->div = 1; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_clk_double_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long output_rate = *prate; + + do_div(output_rate, 2); + return output_rate; +} + struct clk_ops tegra30_clk_double_ops = { - .init = &tegra30_clk_double_init, + .is_enabled = &tegra30_clk_double_is_enabled, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, + .recalc_rate = &tegra30_clk_double_recalc_rate, + .round_rate = &tegra30_clk_double_round_rate, .set_rate = &tegra30_clk_double_set_rate, }; /* Audio sync clock ops */ -static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate) -{ - c->rate = rate; - return 0; -} - struct clk_ops tegra_sync_source_ops = { - .set_rate = &tegra30_sync_source_set_rate, + .recalc_rate = &tegra30_clk_fixed_recalc_rate, }; -static void tegra30_audio_sync_clk_init(struct clk *c) +static int tegra30_audio_sync_clk_is_enabled(struct clk_hw *hw) { - int source; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); c->state = (val & AUDIO_SYNC_DISABLE_BIT) ? OFF : ON; - source = val & AUDIO_SYNC_SOURCE_MASK; - for (sel = c->inputs; sel->input != NULL; sel++) - if (sel->value == source) - break; - BUG_ON(sel->input == NULL); - c->parent = sel->input; + return c->state; } -static int tegra30_audio_sync_clk_enable(struct clk *c) +static int tegra30_audio_sync_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); clk_writel((val & (~AUDIO_SYNC_DISABLE_BIT)), c->reg); return 0; } -static void tegra30_audio_sync_clk_disable(struct clk *c) +static void tegra30_audio_sync_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); clk_writel((val | AUDIO_SYNC_DISABLE_BIT), c->reg); } -static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_audio_sync_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~AUDIO_SYNC_SOURCE_MASK; - val |= sel->value; - - if (c->refcnt) - clk_enable(p); - clk_writel(val, c->reg); + val = clk_readl(c->reg); + val &= ~AUDIO_SYNC_SOURCE_MASK; + val |= index; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); + return 0; +} - clk_reparent(c, p); - return 0; - } - } +static u8 tegra30_audio_sync_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source; - return -EINVAL; + source = val & AUDIO_SYNC_SOURCE_MASK; + return source; } struct clk_ops tegra30_audio_sync_clk_ops = { - .init = tegra30_audio_sync_clk_init, - .enable = tegra30_audio_sync_clk_enable, - .disable = tegra30_audio_sync_clk_disable, - .set_parent = tegra30_audio_sync_clk_set_parent, + .is_enabled = tegra30_audio_sync_clk_is_enabled, + .enable = tegra30_audio_sync_clk_enable, + .disable = tegra30_audio_sync_clk_disable, + .set_parent = tegra30_audio_sync_clk_set_parent, + .get_parent = tegra30_audio_sync_clk_get_parent, }; /* cml0 (pcie), and cml1 (sata) clock ops */ -static void tegra30_cml_clk_init(struct clk *c) +static int tegra30_cml_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); c->state = val & (0x1 << c->u.periph.clk_num) ? ON : OFF; + return c->state; } -static int tegra30_cml_clk_enable(struct clk *c) +static int tegra30_cml_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); val |= (0x1 << c->u.periph.clk_num); clk_writel(val, c->reg); + return 0; } -static void tegra30_cml_clk_disable(struct clk *c) +static void tegra30_cml_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); val &= ~(0x1 << c->u.periph.clk_num); clk_writel(val, c->reg); } struct clk_ops tegra_cml_clk_ops = { - .init = &tegra30_cml_clk_init, - .enable = &tegra30_cml_clk_enable, - .disable = &tegra30_cml_clk_disable, + .is_enabled = &tegra30_cml_clk_is_enabled, + .enable = &tegra30_cml_clk_enable, + .disable = &tegra30_cml_clk_disable, +}; + +struct clk_ops tegra_pciex_clk_ops = { + .recalc_rate = &tegra30_clk_fixed_recalc_rate, }; diff --git a/arch/arm/mach-tegra/tegra30_clocks.h b/arch/arm/mach-tegra/tegra30_clocks.h index f8c4df5..aeb4e96 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.h +++ b/arch/arm/mach-tegra/tegra30_clocks.h @@ -17,6 +17,7 @@ #ifndef __MACH_TEGRA30_CLOCK_H #define __MACH_TEGRA30_CLOCK_H +extern struct clk_ops tegra_clk_32k_ops; extern struct clk_ops tegra30_clk_m_ops; extern struct clk_ops tegra_clk_m_div_ops; extern struct clk_ops tegra_pll_ref_ops; @@ -27,17 +28,26 @@ extern struct clk_ops tegra30_plle_ops; extern struct clk_ops tegra_cml_clk_ops; extern struct clk_ops tegra_pciex_clk_ops; extern struct clk_ops tegra_sync_source_ops; -extern struct clk_ops tegra30_audio_sync_clk_ops; +extern struct clk_ops tegra_audio_sync_clk_ops; extern struct clk_ops tegra30_clk_double_ops; extern struct clk_ops tegra_clk_out_ops; extern struct clk_ops tegra30_super_ops; extern struct clk_ops tegra30_blink_clk_ops; extern struct clk_ops tegra30_twd_ops; extern struct clk_ops tegra30_periph_clk_ops; -extern struct clk_ops tegra_dsib_clk_ops; +extern struct clk_ops tegra30_dsib_clk_ops; extern struct clk_ops tegra_nand_clk_ops; extern struct clk_ops tegra_vi_clk_ops; extern struct clk_ops tegra_dtv_clk_ops; extern struct clk_ops tegra_clk_shared_bus_ops; +int tegra30_plld_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert); +int tegra30_vi_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +int tegra30_nand_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); #endif diff --git a/arch/arm/mach-tegra/tegra30_clocks_data.c b/arch/arm/mach-tegra/tegra30_clocks_data.c index bf25a38..058e72f 100644 --- a/arch/arm/mach-tegra/tegra30_clocks_data.c +++ b/arch/arm/mach-tegra/tegra30_clocks_data.c @@ -1,7 +1,7 @@ /* - * arch/arm/mach-tegra/tegra30_clocks_data.c + * arch/arm/mach-tegra/tegra30_clocks.c * - * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,6 +18,7 @@ * */ +#include <linux/clk-private.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> @@ -28,69 +29,165 @@ #include <linux/clk.h> #include <linux/cpufreq.h> -#include <asm/clkdev.h> - -#include <mach/iomap.h> - #include "clock.h" #include "fuse.h" #include "tegra30_clocks.h" -/* Clock definitions */ +#define DEFINE_CLK_TEGRA(_name, _rate, _ops, _flags, \ + _parent_names, _parents, _parent) \ + static struct clk tegra_##_name = { \ + .hw = &tegra_##_name##_hw.hw, \ + .name = #_name, \ + .rate = _rate, \ + .ops = _ops, \ + .flags = _flags, \ + .parent_names = _parent_names, \ + .parents = _parents, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .parent = _parent, \ + }; + +static struct clk tegra_clk_32k; +static struct clk_tegra tegra_clk_32k_hw = { + .hw = { + .clk = &tegra_clk_32k, + }, + .fixed_rate = 32768, +}; static struct clk tegra_clk_32k = { .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, + .hw = &tegra_clk_32k_hw.hw, + .ops = &tegra_clk_32k_ops, + .flags = CLK_IS_ROOT, }; -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra30_clk_m_ops, - .reg = 0x1fc, +static struct clk tegra_clk_m; +static struct clk_tegra tegra_clk_m_hw = { + .hw = { + .clk = &tegra_clk_m, + }, + .flags = ENABLE_ON_INIT, + .reg = 0x1fc, .reg_shift = 28, - .max_rate = 48000000, + .max_rate = 48000000, +}; +static struct clk tegra_clk_m = { + .name = "clk_m", + .hw = &tegra_clk_m_hw.hw, + .ops = &tegra30_clk_m_ops, + .flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED, }; -static struct clk tegra_clk_m_div2 = { - .name = "clk_m_div2", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 2, - .state = ON, - .max_rate = 24000000, +static const char *clk_m_div_parent_names[] = { + "clk_m", }; -static struct clk tegra_clk_m_div4 = { - .name = "clk_m_div4", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 4, - .state = ON, - .max_rate = 12000000, +static struct clk *clk_m_div_parents[] = { + &tegra_clk_m, }; -static struct clk tegra_pll_ref = { - .name = "pll_ref", - .flags = ENABLE_ON_INIT, - .ops = &tegra_pll_ref_ops, - .parent = &tegra_clk_m, - .max_rate = 26000000, +static struct clk tegra_clk_m_div2; +static struct clk_tegra tegra_clk_m_div2_hw = { + .hw = { + .clk = &tegra_clk_m_div2, + }, + .mul = 1, + .div = 2, + .max_rate = 24000000, +}; +DEFINE_CLK_TEGRA(clk_m_div2, 0, &tegra_clk_m_div_ops, 0, + clk_m_div_parent_names, clk_m_div_parents, &tegra_clk_m); + +static struct clk tegra_clk_m_div4; +static struct clk_tegra tegra_clk_m_div4_hw = { + .hw = { + .clk = &tegra_clk_m_div4, + }, + .mul = 1, + .div = 4, + .max_rate = 12000000, }; +DEFINE_CLK_TEGRA(clk_m_div4, 0, &tegra_clk_m_div_ops, 0, + clk_m_div_parent_names, clk_m_div_parents, &tegra_clk_m); + +static struct clk tegra_pll_ref; +static struct clk_tegra tegra_pll_ref_hw = { + .hw = { + .clk = &tegra_pll_ref, + }, + .flags = ENABLE_ON_INIT, + .max_rate = 26000000, +}; +DEFINE_CLK_TEGRA(pll_ref, 0, &tegra_pll_ref_ops, 0, clk_m_div_parent_names, + clk_m_div_parents, &tegra_clk_m); + +#define DEFINE_PLL(_name, _flags, _reg, _max_rate, _input_min, \ + _input_max, _cf_min, _cf_max, _vco_min, \ + _vco_max, _freq_table, _lock_delay, _ops, \ + _fixed_rate, _clk_cfg_ex, _parent) \ + static struct clk tegra_##_name; \ + static const char *_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .u.pll = { \ + .input_min = _input_min, \ + .input_max = _input_max, \ + .cf_min = _cf_min, \ + .cf_max = _cf_max, \ + .vco_min = _vco_min, \ + .vco_max = _vco_max, \ + .freq_table = _freq_table, \ + .lock_delay = _lock_delay, \ + .fixed_rate = _fixed_rate, \ + }, \ + .clk_cfg_ex = _clk_cfg_ex, \ + }; \ + DEFINE_CLK_TEGRA(_name, 0, &_ops, CLK_IGNORE_UNUSED, \ + _name##_parent_names, _name##_parents, \ + &tegra_##_parent); + +#define DEFINE_PLL_OUT(_name, _flags, _reg, _reg_shift, \ + _max_rate, _ops, _parent, _clk_flags) \ + static const char *_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .reg_shift = _reg_shift, \ + }; \ + DEFINE_CLK_TEGRA(_name, 0, &tegra30_pll_div_ops, \ + _clk_flags, _name##_parent_names, \ + _name##_parents, &tegra_##_parent); static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 1040000000, 520, 6, 1, 8}, { 13000000, 1040000000, 480, 6, 1, 8}, - { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ + { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ { 19200000, 1040000000, 325, 6, 1, 6}, { 26000000, 1040000000, 520, 13, 1, 8}, { 12000000, 832000000, 416, 6, 1, 8}, { 13000000, 832000000, 832, 13, 1, 8}, - { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ + { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ { 19200000, 832000000, 260, 6, 1, 8}, { 26000000, 832000000, 416, 13, 1, 8}, @@ -108,46 +205,24 @@ static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 520000000, 520, 12, 1, 8}, { 13000000, 520000000, 520, 13, 1, 8}, - { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ + { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ { 19200000, 520000000, 325, 12, 1, 6}, { 26000000, 520000000, 520, 26, 1, 8}, { 12000000, 416000000, 416, 12, 1, 8}, { 13000000, 416000000, 416, 13, 1, 8}, - { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ + { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ { 19200000, 416000000, 260, 12, 1, 6}, { 26000000, 416000000, 416, 26, 1, 8}, { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0x80, - .parent = &tegra_pll_ref, - .max_rate = 1400000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_c, PLL_HAS_CPCON, 0x80, 1400000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_c_freq_table, 300, + tegra30_pll_ops, 0, NULL, pll_ref); -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 700000000, -}; +DEFINE_PLL_OUT(pll_c_out1, DIV_U71, 0x84, 0, 700000000, + tegra30_pll_div_ops, pll_c, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 12000000, 666000000, 666, 12, 1, 8}, @@ -163,34 +238,12 @@ static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON | PLLM, - .ops = &tegra30_pll_ops, - .reg = 0x90, - .parent = &tegra_pll_ref, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_m, PLL_HAS_CPCON | PLLM, 0x90, 800000000, 2000000, 31000000, + 1000000, 6000000, 20000000, 1200000000, tegra_pll_m_freq_table, + 300, tegra30_pll_ops, 0, NULL, pll_ref); -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_m_out1, DIV_U71, 0x94, 0, 600000000, + tegra30_pll_div_ops, pll_m, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 12000000, 216000000, 432, 12, 2, 8}, @@ -201,65 +254,19 @@ static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0xa0, - .parent = &tegra_pll_ref, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - .fixed_rate = 408000000, - }, -}; +DEFINE_PLL(pll_p, ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, 0xa0, 432000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1400000000, + tegra_pll_p_freq_table, 300, tegra30_pll_ops, 408000000, NULL, + pll_ref); -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; +DEFINE_PLL_OUT(pll_p_out1, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, + 0, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out2, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, + 16, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out3, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, + 0, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out4, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, + 16, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 9600000, 564480000, 294, 5, 1, 4}, @@ -272,34 +279,12 @@ static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_a, PLL_HAS_CPCON, 0xb0, 700000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_a_freq_table, + 300, tegra30_pll_ops, 0, NULL, pll_p_out1); -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 100000000, -}; +DEFINE_PLL_OUT(pll_a_out0, DIV_U71, 0xb4, 0, 100000000, tegra30_pll_div_ops, + pll_a, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 12000000, 216000000, 216, 12, 1, 4}, @@ -322,59 +307,20 @@ static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_plld_ops, - .reg = 0xd0, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_d, PLL_HAS_CPCON | PLLD, 0xd0, 1000000000, 2000000, 40000000, + 1000000, 6000000, 40000000, 1000000000, tegra_pll_d_freq_table, + 1000, tegra30_pll_ops, 0, tegra30_plld_clk_cfg_ex, pll_ref); -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk tegra_pll_d2 = { - .name = "pll_d2", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, - .ops = &tegra_plld_ops, - .reg = 0x4b8, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL_OUT(pll_d_out0, DIV_2 | PLLD, 0, 0, 500000000, tegra30_pll_div_ops, + pll_d, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); -static struct clk tegra_pll_d2_out0 = { - .name = "pll_d2_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d2, - .max_rate = 500000000, -}; +DEFINE_PLL(pll_d2, PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, 0x4b8, 1000000000, + 2000000, 40000000, 1000000, 6000000, 40000000, 1000000000, + tegra_pll_d_freq_table, 1000, tegra30_pll_ops, 0, NULL, + pll_ref); + +DEFINE_PLL_OUT(pll_d2_out0, DIV_2 | PLLD, 0, 0, 500000000, tegra30_pll_div_ops, + pll_d2, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 12000000, 480000000, 960, 12, 2, 12}, @@ -385,24 +331,9 @@ static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLL_HAS_CPCON | PLLU, - .ops = &tegra30_pll_ops, - .reg = 0xc0, - .parent = &tegra_pll_ref, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_u, PLL_HAS_CPCON | PLLU, 0xc0, 480000000, 2000000, 40000000, + 1000000, 6000000, 48000000, 960000000, tegra_pll_u_freq_table, + 1000, tegra30_pll_ops, 0, NULL, pll_ref); static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { /* 1.7 GHz */ @@ -464,33 +395,12 @@ static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, - .ops = &tegra30_pll_ops, - .reg = 0xe0, - .parent = &tegra_pll_ref, - .max_rate = 1700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1700000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_x_out0 = { - .name = "pll_x_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLX, - .parent = &tegra_pll_x, - .max_rate = 850000000, -}; +DEFINE_PLL(pll_x, PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, 0xe0, 1700000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1700000000, + tegra_pll_x_freq_table, 300, tegra30_pll_ops, 0, NULL, pll_ref); +DEFINE_PLL_OUT(pll_x_out0, DIV_2 | PLLX, 0, 0, 850000000, tegra30_pll_div_ops, + pll_x, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { /* PLLE special case: use cpcon field to store cml divider value */ @@ -499,518 +409,835 @@ static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra30_plle_ops, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 216000000, - .cf_min = 12000000, - .cf_max = 12000000, - .vco_min = 1200000000, - .vco_max = 2400000000U, - .freq_table = tegra_pll_e_freq_table, - .lock_delay = 300, - .fixed_rate = 100000000, - }, +DEFINE_PLL(pll_e, PLL_ALT_MISC_REG, 0xe8, 100000000, 2000000, 216000000, + 12000000, 12000000, 1200000000, 2400000000U, + tegra_pll_e_freq_table, 300, tegra30_plle_ops, 100000000, NULL, + pll_ref); + +static const char *mux_plle[] = { + "pll_e", +}; + +static struct clk *mux_plle_p[] = { + &tegra_pll_e, }; -static struct clk tegra_cml0_clk = { - .name = "cml0", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = 0x48c, - .max_rate = 100000000, - .u.periph = { +static struct clk tegra_cml0; +static struct clk_tegra tegra_cml0_hw = { + .hw = { + .clk = &tegra_cml0, + }, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { .clk_num = 0, }, }; +DEFINE_CLK_TEGRA(cml0, 0, &tegra_cml_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -static struct clk tegra_cml1_clk = { - .name = "cml1", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = 0x48c, - .max_rate = 100000000, - .u.periph = { - .clk_num = 1, +static struct clk tegra_cml1; +static struct clk_tegra tegra_cml1_hw = { + .hw = { + .clk = &tegra_cml1, + }, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 1, }, }; +DEFINE_CLK_TEGRA(cml1, 0, &tegra_cml_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -static struct clk tegra_pciex_clk = { - .name = "pciex", - .parent = &tegra_pll_e, - .ops = &tegra_pciex_clk_ops, - .max_rate = 100000000, - .u.periph = { - .clk_num = 74, +static struct clk tegra_pciex; +static struct clk_tegra tegra_pciex_hw = { + .hw = { + .clk = &tegra_pciex, + }, + .reg = 0x48c, + .max_rate = 100000000, + .reset = tegra30_periph_clk_reset, + .u.periph = { + .clk_num = 74, }, }; +DEFINE_CLK_TEGRA(pciex, 0, &tegra_pciex_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -/* Audio sync clocks */ -#define SYNC_SOURCE(_id) \ - { \ - .name = #_id "_sync", \ - .rate = 24000000, \ - .max_rate = 24000000, \ - .ops = &tegra_sync_source_ops \ - } -static struct clk tegra_sync_source_list[] = { - SYNC_SOURCE(spdif_in), - SYNC_SOURCE(i2s0), - SYNC_SOURCE(i2s1), - SYNC_SOURCE(i2s2), - SYNC_SOURCE(i2s3), - SYNC_SOURCE(i2s4), - SYNC_SOURCE(vimclk), -}; - -static struct clk_mux_sel mux_audio_sync_clk[] = { - { .input = &tegra_sync_source_list[0], .value = 0}, - { .input = &tegra_sync_source_list[1], .value = 1}, - { .input = &tegra_sync_source_list[2], .value = 2}, - { .input = &tegra_sync_source_list[3], .value = 3}, - { .input = &tegra_sync_source_list[4], .value = 4}, - { .input = &tegra_sync_source_list[5], .value = 5}, - { .input = &tegra_pll_a_out0, .value = 6}, - { .input = &tegra_sync_source_list[6], .value = 7}, - { 0, 0 } -}; - -#define AUDIO_SYNC_CLK(_id, _index) \ - { \ - .name = #_id, \ - .inputs = mux_audio_sync_clk, \ - .reg = 0x4A0 + (_index) * 4, \ - .max_rate = 24000000, \ - .ops = &tegra30_audio_sync_clk_ops \ - } -static struct clk tegra_clk_audio_list[] = { - AUDIO_SYNC_CLK(audio0, 0), - AUDIO_SYNC_CLK(audio1, 1), - AUDIO_SYNC_CLK(audio2, 2), - AUDIO_SYNC_CLK(audio3, 3), - AUDIO_SYNC_CLK(audio4, 4), - AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ -}; - -#define AUDIO_SYNC_2X_CLK(_id, _index) \ - { \ - .name = #_id "_2x", \ - .flags = PERIPH_NO_RESET, \ - .max_rate = 48000000, \ - .ops = &tegra30_clk_double_ops, \ - .reg = 0x49C, \ +#define SYNC_SOURCE(_name) \ + static struct clk tegra_##_name##_sync; \ + static struct clk_tegra tegra_##_name##_sync_hw = { \ + .hw = { \ + .clk = &tegra_##_name##_sync, \ + }, \ + .max_rate = 24000000, \ + .fixed_rate = 24000000, \ + }; \ + static struct clk tegra_##_name##_sync = { \ + .name = #_name "_sync", \ + .hw = &tegra_##_name##_sync_hw.hw, \ + .ops = &tegra_sync_source_ops, \ + .flags = CLK_IS_ROOT, \ + }; + +SYNC_SOURCE(spdif_in); +SYNC_SOURCE(i2s0); +SYNC_SOURCE(i2s1); +SYNC_SOURCE(i2s2); +SYNC_SOURCE(i2s3); +SYNC_SOURCE(i2s4); +SYNC_SOURCE(vimclk); + +static struct clk *tegra_sync_source_list[] = { + &tegra_spdif_in_sync, + &tegra_i2s0_sync, + &tegra_i2s1_sync, + &tegra_i2s2_sync, + &tegra_i2s3_sync, + &tegra_i2s4_sync, + &tegra_vimclk_sync, +}; + +static const char *mux_audio_sync_clk[] = { + "spdif_in_sync", + "i2s0_sync", + "i2s1_sync", + "i2s2_sync", + "i2s3_sync", + "i2s4_sync", + "vimclk_sync", +}; + +#define AUDIO_SYNC_CLK(_name, _index) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .max_rate = 24000000, \ + .reg = 0x4A0 + (_index) * 4, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_audio_sync_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = mux_audio_sync_clk, \ + .parents = tegra_sync_source_list, \ + .num_parents = ARRAY_SIZE(mux_audio_sync_clk), \ + }; + +AUDIO_SYNC_CLK(audio0, 0); +AUDIO_SYNC_CLK(audio1, 1); +AUDIO_SYNC_CLK(audio2, 2); +AUDIO_SYNC_CLK(audio3, 3); +AUDIO_SYNC_CLK(audio4, 4); +AUDIO_SYNC_CLK(audio5, 5); + +static struct clk *tegra_clk_audio_list[] = { + &tegra_audio0, + &tegra_audio1, + &tegra_audio2, + &tegra_audio3, + &tegra_audio4, + &tegra_audio5, /* SPDIF */ +}; + +#define AUDIO_SYNC_2X_CLK(_name, _index) \ + static const char *_name##_parent_names[] = { \ + "tegra_" #_name, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_name, \ + }; \ + static struct clk tegra_##_name##_2x; \ + static struct clk_tegra tegra_##_name##_2x_hw = { \ + .hw = { \ + .clk = &tegra_##_name##_2x, \ + }, \ + .flags = PERIPH_NO_RESET, \ + .max_rate = 48000000, \ + .reg = 0x49C, \ .reg_shift = 24 + (_index), \ - .parent = &tegra_clk_audio_list[(_index)], \ .u.periph = { \ .clk_num = 113 + (_index), \ }, \ - } -static struct clk tegra_clk_audio_2x_list[] = { - AUDIO_SYNC_2X_CLK(audio0, 0), - AUDIO_SYNC_2X_CLK(audio1, 1), - AUDIO_SYNC_2X_CLK(audio2, 2), - AUDIO_SYNC_2X_CLK(audio3, 3), - AUDIO_SYNC_2X_CLK(audio4, 4), - AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ -}; - -#define MUX_I2S_SPDIF(_id, _index) \ -static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ - {.input = &tegra_pll_a_out0, .value = 0}, \ - {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ - {.input = &tegra_pll_p, .value = 2}, \ - {.input = &tegra_clk_m, .value = 3}, \ - { 0, 0}, \ -} -MUX_I2S_SPDIF(audio0, 0); -MUX_I2S_SPDIF(audio1, 1); -MUX_I2S_SPDIF(audio2, 2); -MUX_I2S_SPDIF(audio3, 3); -MUX_I2S_SPDIF(audio4, 4); -MUX_I2S_SPDIF(audio, 5); /* SPDIF */ + }; \ + static struct clk tegra_##_name##_2x = { \ + .name = #_name "_2x", \ + .ops = &tegra30_clk_double_ops, \ + .hw = &tegra_##_name##_2x_hw.hw, \ + .parent_names = _name##_parent_names, \ + .parents = _name##_parents, \ + .parent = &tegra_##_name, \ + .num_parents = 1, \ + }; + +AUDIO_SYNC_2X_CLK(audio0, 0); +AUDIO_SYNC_2X_CLK(audio1, 1); +AUDIO_SYNC_2X_CLK(audio2, 2); +AUDIO_SYNC_2X_CLK(audio3, 3); +AUDIO_SYNC_2X_CLK(audio4, 4); +AUDIO_SYNC_2X_CLK(audio5, 5); /* SPDIF */ + +static struct clk *tegra_clk_audio_2x_list[] = { + &tegra_audio0_2x, + &tegra_audio1_2x, + &tegra_audio2_2x, + &tegra_audio3_2x, + &tegra_audio4_2x, + &tegra_audio5_2x, /* SPDIF */ +}; + +#define MUX_I2S_SPDIF(_id) \ +static const char *mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ + "pll_a_out0", \ + #_id "_2x", \ + "pll_p", \ + "clk_m", \ +}; \ +static struct clk *mux_pllaout0_##_id##_2x_pllp_clkm_p[] = { \ + &tegra_pll_a_out0, \ + &tegra_##_id##_2x, \ + &tegra_pll_p, \ + &tegra_clk_m, \ +}; + +MUX_I2S_SPDIF(audio0); +MUX_I2S_SPDIF(audio1); +MUX_I2S_SPDIF(audio2); +MUX_I2S_SPDIF(audio3); +MUX_I2S_SPDIF(audio4); +MUX_I2S_SPDIF(audio5); /* SPDIF */ + +static struct clk tegra_extern1; +static struct clk tegra_extern2; +static struct clk tegra_extern3; /* External clock outputs (through PMC) */ -#define MUX_EXTERN_OUT(_id) \ -static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ - {.input = &tegra_clk_m, .value = 0}, \ - {.input = &tegra_clk_m_div2, .value = 1}, \ - {.input = &tegra_clk_m_div4, .value = 2}, \ - {.input = NULL, .value = 3}, /* placeholder */ \ - { 0, 0}, \ -} +#define MUX_EXTERN_OUT(_id) \ +static const char *mux_clkm_clkm2_clkm4_extern##_id[] = { \ + "clk_m", \ + "clk_m_div2", \ + "clk_m_div4", \ + "extern" #_id, \ +}; \ +static struct clk *mux_clkm_clkm2_clkm4_extern##_id##_p[] = { \ + &tegra_clk_m, \ + &tegra_clk_m_div2, \ + &tegra_clk_m_div4, \ + &tegra_extern##_id, \ +}; + MUX_EXTERN_OUT(1); MUX_EXTERN_OUT(2); MUX_EXTERN_OUT(3); -static struct clk_mux_sel *mux_extern_out_list[] = { - mux_clkm_clkm2_clkm4_extern1, - mux_clkm_clkm2_clkm4_extern2, - mux_clkm_clkm2_clkm4_extern3, +#define CLK_OUT_CLK(_name, _index) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .lookup = { \ + .dev_id = #_name, \ + .con_id = "extern" #_index, \ + }, \ + .flags = MUX_CLK_OUT, \ + .max_rate = 216000000, \ + .reg = 0x1a8, \ + .u.periph = { \ + .clk_num = (_index - 1) * 8 + 2, \ + }, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_clk_out_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = mux_clkm_clkm2_clkm4_extern##_index, \ + .parents = mux_clkm_clkm2_clkm4_extern##_index##_p, \ + .num_parents = ARRAY_SIZE(mux_clkm_clkm2_clkm4_extern##_index),\ + }; + +CLK_OUT_CLK(clk_out_1, 1); +CLK_OUT_CLK(clk_out_2, 2); +CLK_OUT_CLK(clk_out_3, 3); + +static struct clk *tegra_clk_out_list[] = { + &tegra_clk_out_1, + &tegra_clk_out_2, + &tegra_clk_out_3, +}; + +static const char *mux_sclk[] = { + "clk_m", + "pll_c_out1", + "pll_p_out4", + "pll_p_out3", + "pll_p_out2", + "dummy", + "clk_32k", + "pll_m_out1", +}; + +static struct clk *mux_sclk_p[] = { + &tegra_clk_m, + &tegra_pll_c_out1, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_pll_p_out2, + NULL, + &tegra_clk_32k, + &tegra_pll_m_out1, }; -#define CLK_OUT_CLK(_id) \ - { \ - .name = "clk_out_" #_id, \ - .lookup = { \ - .dev_id = "clk_out_" #_id, \ - .con_id = "extern" #_id, \ - }, \ - .ops = &tegra_clk_out_ops, \ - .reg = 0x1a8, \ - .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ - .flags = MUX_CLK_OUT, \ - .max_rate = 216000000, \ - .u.periph = { \ - .clk_num = (_id - 1) * 8 + 2, \ - }, \ - } -static struct clk tegra_clk_out_list[] = { - CLK_OUT_CLK(1), - CLK_OUT_CLK(2), - CLK_OUT_CLK(3), +static struct clk tegra_clk_sclk; +static struct clk_tegra tegra_clk_sclk_hw = { + .hw = { + .clk = &tegra_clk_sclk, + }, + .reg = 0x28, + .max_rate = 334000000, + .min_rate = 40000000, }; -/* called after peripheral external clocks are initialized */ -static void init_clk_out_mux(void) -{ - int i; - struct clk *c; - - /* output clock con_id is the name of peripheral - external clock connected to input 3 of the output mux */ - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { - c = tegra_get_clock_by_name( - tegra_clk_out_list[i].lookup.con_id); - if (!c) - pr_err("%s: could not find clk %s\n", __func__, - tegra_clk_out_list[i].lookup.con_id); - mux_extern_out_list[i][3].input = c; - } -} +static struct clk tegra_clk_sclk = { + .name = "sclk", + .ops = &tegra30_super_ops, + .hw = &tegra_clk_sclk_hw.hw, + .parent_names = mux_sclk, + .parents = mux_sclk_p, + .num_parents = ARRAY_SIZE(mux_sclk), +}; -/* Peripheral muxes */ -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { 0, 0}, +static const char *mux_blink[] = { + "clk_32k", }; -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra30_super_ops, - .max_rate = 334000000, - .min_rate = 40000000, +static struct clk *mux_blink_p[] = { + &tegra_clk_32k, }; +static struct clk tegra_clk_blink; +static struct clk_tegra tegra_clk_blink_hw = { + .hw = { + .clk = &tegra_clk_blink, + }, + .reg = 0x40, + .max_rate = 32768, +}; static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra30_blink_clk_ops, - .max_rate = 32768, + .name = "blink", + .ops = &tegra30_blink_clk_ops, + .hw = &tegra_clk_blink_hw.hw, + .parent = &tegra_clk_32k, + .parent_names = mux_blink, + .parents = mux_blink_p, + .num_parents = ARRAY_SIZE(mux_blink), }; -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { 0, 0}, +static const char *mux_pllm_pllc_pllp_plla[] = { + "pll_m", + "pll_c", + "pll_p", + "pll_a_out0", }; -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_pllm_clkm[] = { + "pll_p", + "pll_c", + "pll_m", + "clk_m", }; -static struct clk_mux_sel mux_pllp_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_clkm[] = { + "pll_p", + "dummy", + "dummy", + "clk_m", }; -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_plld_pllc_clkm[] = { + "pll_p", + "pll_d_out0", + "pll_c", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_m, .value = 1}, - {.input = &tegra_pll_d_out0, .value = 2}, - {.input = &tegra_pll_a_out0, .value = 3}, - {.input = &tegra_pll_c, .value = 4}, - {.input = &tegra_pll_d2_out0, .value = 5}, - {.input = &tegra_clk_m, .value = 6}, - { 0, 0}, +static const char *mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { + "pll_p", + "pll_m", + "pll_d_out0", + "pll_a_out0", + "pll_c", + "pll_d2_out0", + "clk_m", }; -static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_plla_pllc_pllp_clkm[] = { + "pll_a_out0", + "dummy", + "pll_p", + "clk_m" }; -static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_32k, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_clk32_clkm[] = { + "pll_p", + "pll_c", + "clk_32k", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_m, .value = 2}, - {.input = &tegra_clk_32k, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_clkm_clk32[] = { + "pll_p", + "pll_c", + "clk_m", + "clk_32k", }; -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { 0, 0}, +static const char *mux_pllp_pllc_pllm[] = { + "pll_p", + "pll_c", + "pll_m", }; -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { 0, 0}, +static const char *mux_clk_m[] = { + "clk_m", }; -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { 0, 0}, +static const char *mux_pllp_out3[] = { + "pll_p_out3", }; -static struct clk_mux_sel mux_plld_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { 0, 0}, +static const char *mux_plld_out0[] = { + "pll_d_out0", }; -static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { .input = &tegra_pll_d2_out0, .value = 1}, - { 0, 0}, +static const char *mux_plld_out0_plld2_out0[] = { + "pll_d_out0", + "pll_d2_out0", }; -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { 0, 0}, +static const char *mux_clk_32k[] = { + "clk_32k", }; -static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - { .input = &tegra_clk_32k, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { .input = &tegra_pll_e, .value = 4}, - { 0, 0}, +static const char *mux_plla_clk32_pllp_clkm_plle[] = { + "pll_a_out0", + "clk_32k", + "pll_p", + "clk_m", + "pll_e", }; -static struct clk_mux_sel mux_cclk_g[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_pll_x, .value = 8}, - { 0, 0}, +static const char *mux_cclk_g[] = { + "clk_m", + "pll_c", + "clk_32k", + "pll_m", + "pll_p", + "pll_p_out4", + "pll_p_out3", + "dummy", + "pll_x", }; -static struct clk tegra_clk_cclk_g = { - .name = "cclk_g", - .flags = DIV_U71 | DIV_U71_INT, - .inputs = mux_cclk_g, - .reg = 0x368, - .ops = &tegra30_super_ops, +static struct clk *mux_pllm_pllc_pllp_plla_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_pll_a_out0, +}; + +static struct clk *mux_pllp_pllc_pllm_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_clkm_p[] = { + &tegra_pll_p, + NULL, + NULL, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_plld_pllc_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_d_out0, + &tegra_pll_c, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllm_plld_plla_pllc_plld2_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_m, + &tegra_pll_d_out0, + &tegra_pll_a_out0, + &tegra_pll_c, + &tegra_pll_d2_out0, + &tegra_clk_m, +}; + +static struct clk *mux_plla_pllc_pllp_clkm_p[] = { + &tegra_pll_a_out0, + NULL, + &tegra_pll_p, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllc_clk32_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllc_clkm_clk32_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_clk_m, + &tegra_clk_32k, +}; + +static struct clk *mux_pllp_pllc_pllm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, +}; + +static struct clk *mux_clk_m_p[] = { + &tegra_clk_m, +}; + +static struct clk *mux_pllp_out3_p[] = { + &tegra_pll_p_out3, +}; + +static struct clk *mux_plld_out0_p[] = { + &tegra_pll_d_out0, +}; + +static struct clk *mux_plld_out0_plld2_out0_p[] = { + &tegra_pll_d_out0, + &tegra_pll_d2_out0, +}; + +static struct clk *mux_clk_32k_p[] = { + &tegra_clk_32k, +}; + +static struct clk *mux_plla_clk32_pllp_clkm_plle_p[] = { + &tegra_pll_a_out0, + &tegra_clk_32k, + &tegra_pll_p, + &tegra_clk_m, + &tegra_pll_e, +}; + +static struct clk *mux_cclk_g_p[] = { + &tegra_clk_m, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_pll_m, + &tegra_pll_p, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + NULL, + &tegra_pll_x, +}; + +static struct clk tegra_clk_cclk_g; +static struct clk_tegra tegra_clk_cclk_g_hw = { + .hw = { + .clk = &tegra_clk_cclk_g, + }, + .flags = DIV_U71 | DIV_U71_INT, + .reg = 0x368, .max_rate = 1700000000, }; +static struct clk tegra_clk_cclk_g = { + .name = "cclk_g", + .ops = &tegra30_super_ops, + .hw = &tegra_clk_cclk_g_hw.hw, + .parent_names = mux_cclk_g, + .parents = mux_cclk_g_p, + .num_parents = ARRAY_SIZE(mux_cclk_g), +}; -static struct clk tegra30_clk_twd = { - .parent = &tegra_clk_cclk_g, - .name = "twd", - .ops = &tegra30_twd_ops, - .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ - .mul = 1, - .div = 2, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra30_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } +static const char *mux_twd[] = { + "cclk_g", +}; -#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ - _flags, _ops) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = _ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } +static struct clk *mux_twd_p[] = { + &tegra_clk_cclk_g, +}; -#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - .u.shared_bus_user = { \ - .client_id = _id, \ - .client_div = _div, \ - .mode = _mode, \ +static struct clk tegra30_clk_twd; +static struct clk_tegra tegra30_clk_twd_hw = { + .hw = { + .clk = &tegra30_clk_twd, + }, + .max_rate = 1400000000, + .mul = 1, + .div = 2, +}; + +static struct clk tegra30_clk_twd = { + .name = "twd", + .ops = &tegra30_twd_ops, + .hw = &tegra30_clk_twd_hw.hw, + .parent = &tegra_clk_cclk_g, + .parent_names = mux_twd, + .parents = mux_twd_p, + .num_parents = ARRAY_SIZE(mux_twd), +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, \ + _max, _inputs, _flags) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ }, \ - } -struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), - PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), - PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - - PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), - PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ + .lookup = { \ .dev_id = _dev, \ - .con_id = _con, \ + .con_id = _con, \ }, \ + .reg = _reg, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + .reset = &tegra30_periph_clk_reset, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra30_periph_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = _inputs, \ + .parents = _inputs##_p, \ + .num_parents = ARRAY_SIZE(_inputs), \ + }; + +PERIPH_CLK(apbdma, "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(rtc, "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB); +PERIPH_CLK(kbc, "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB); +PERIPH_CLK(timer, "timer", NULL, 5, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(kfuse, "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(fuse, "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB); +PERIPH_CLK(fuse_burn, "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB); +PERIPH_CLK(apbif, "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(i2s0, "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s1, "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s2, "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s3, "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s4, "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(spdif_out, "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio5_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(spdif_in, "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(pwm, "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(d_audio, "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam0, "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam1, "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam2, "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(hda, "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(hda2codec_2x, "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(hda2hdmi, "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0); +PERIPH_CLK(sbc1, "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc2, "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc3, "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc4, "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc5, "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc6, "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sata_oob, "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sata, "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sata_cold, "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0); +PERIPH_CLK(ndflash, "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(ndspeed, "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(vfir, "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sdmmc1, "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc2, "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc3, "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc4, "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vcp, "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsea, "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsev, "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(vde, "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(csite, "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* max rate ??? */ +PERIPH_CLK(la, "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(owr, "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(nor, "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(mipi, "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); /* scales with voltage */ +PERIPH_CLK(i2c1, "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c2, "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c3, "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c4, "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c5, "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(uarta, "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartb, "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartc, "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartd, "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uarte, "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(vi, "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(3d, "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET); +PERIPH_CLK(3d2, "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET); +PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE); +PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET); +PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(dtv, "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0); +PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71); +PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8); +PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8); +PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(dsia, "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0); +PERIPH_CLK(csi, "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0); +PERIPH_CLK(isp, "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0); /* same frequency as VI */ +PERIPH_CLK(csus, "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET); +PERIPH_CLK(tsensor, "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71); +PERIPH_CLK(actmon, "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71); +PERIPH_CLK(extern1, "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(extern2, "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(extern3, "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(i2cslow, "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(pcie, "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(afi, "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(se, "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT); + +static struct clk tegra_dsib; +static struct clk_tegra tegra_dsib_hw = { + .hw = { + .clk = &tegra_dsib, + }, + .lookup = { + .dev_id = "tegradc.1", + .con_id = "dsib", + }, + .reg = 0xd0, + .flags = MUX | PLLD, + .max_rate = 500000000, + .u.periph = { + .clk_num = 82, + }, + .reset = &tegra30_periph_clk_reset, +}; +static struct clk tegra_dsib = { + .name = "dsib", + .ops = &tegra30_dsib_clk_ops, + .hw = &tegra_dsib_hw.hw, + .parent_names = mux_plld_out0_plld2_out0, + .parents = mux_plld_out0_plld2_out0_p, + .num_parents = ARRAY_SIZE(mux_plld_out0_plld2_out0), +}; + +struct clk *tegra_list_clks[] = { + &tegra_apbdma, + &tegra_rtc, + &tegra_kbc, + &tegra_timer, + &tegra_kfuse, + &tegra_fuse, + &tegra_fuse_burn, + &tegra_apbif, + &tegra_i2s0, + &tegra_i2s1, + &tegra_i2s2, + &tegra_i2s3, + &tegra_i2s4, + &tegra_spdif_out, + &tegra_spdif_in, + &tegra_pwm, + &tegra_d_audio, + &tegra_dam0, + &tegra_dam1, + &tegra_dam2, + &tegra_hda, + &tegra_hda2codec_2x, + &tegra_hda2hdmi, + &tegra_sbc1, + &tegra_sbc2, + &tegra_sbc3, + &tegra_sbc4, + &tegra_sbc5, + &tegra_sbc6, + &tegra_sata_oob, + &tegra_sata, + &tegra_sata_cold, + &tegra_ndflash, + &tegra_ndspeed, + &tegra_vfir, + &tegra_sdmmc1, + &tegra_sdmmc2, + &tegra_sdmmc3, + &tegra_sdmmc4, + &tegra_vcp, + &tegra_bsea, + &tegra_bsev, + &tegra_vde, + &tegra_csite, + &tegra_la, + &tegra_owr, + &tegra_nor, + &tegra_mipi, + &tegra_i2c1, + &tegra_i2c2, + &tegra_i2c3, + &tegra_i2c4, + &tegra_i2c5, + &tegra_uarta, + &tegra_uartb, + &tegra_uartc, + &tegra_uartd, + &tegra_uarte, + &tegra_vi, + &tegra_3d, + &tegra_3d2, + &tegra_2d, + &tegra_vi_sensor, + &tegra_epp, + &tegra_mpe, + &tegra_host1x, + &tegra_cve, + &tegra_tvo, + &tegra_dtv, + &tegra_hdmi, + &tegra_tvdac, + &tegra_disp1, + &tegra_disp2, + &tegra_usbd, + &tegra_usb2, + &tegra_usb3, + &tegra_dsia, + &tegra_dsib, + &tegra_csi, + &tegra_isp, + &tegra_csus, + &tegra_tsensor, + &tegra_actmon, + &tegra_extern1, + &tegra_extern2, + &tegra_extern3, + &tegra_i2cslow, + &tegra_pcie, + &tegra_afi, + &tegra_se, +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ } /* Some clocks may be used by different drivers depending on the board @@ -1092,23 +1319,24 @@ struct clk *tegra_ptr_clks[] = { &tegra_pll_x_out0, &tegra_pll_e, &tegra_clk_cclk_g, - &tegra_cml0_clk, - &tegra_cml1_clk, - &tegra_pciex_clk, + &tegra_cml0, + &tegra_cml1, + &tegra_pciex, &tegra_clk_sclk, &tegra_clk_blink, &tegra30_clk_twd, }; - static void tegra30_init_one_clock(struct clk *c) { - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + if (!clk->lookup.dev_id && !clk->lookup.con_id) + clk->lookup.con_id = c->name; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } void __init tegra30_init_clocks(void) @@ -1120,7 +1348,7 @@ void __init tegra30_init_clocks(void) tegra30_init_one_clock(tegra_ptr_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra30_init_one_clock(&tegra_list_clks[i]); + tegra30_init_one_clock(tegra_list_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); @@ -1135,14 +1363,12 @@ void __init tegra30_init_clocks(void) } for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) - tegra30_init_one_clock(&tegra_sync_source_list[i]); + tegra30_init_one_clock(tegra_sync_source_list[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_list[i]); + tegra30_init_one_clock(tegra_clk_audio_list[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); + tegra30_init_one_clock(tegra_clk_audio_2x_list[i]); - init_clk_out_mux(); for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) - tegra30_init_one_clock(&tegra_clk_out_list[i]); - + tegra30_init_one_clock(tegra_clk_out_list[i]); } -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad This patch converts tegra clock code to generic clock framework in following way: - Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c) - Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk. - Initialize all clock data statically. (tegraXX_clocks_data.c) Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions. Removed init function. It's functionality is splitted into recalc_rate and is_enabled. Static initialization is used since slab is not up in .init_early and clock is needed to be initialized before clockevent/clocksource initialization. Macros redefined for clk_tegra. Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This is to move quickly to generic common clock framework so that other dependent features will not be blocked (such as DT binding). Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20 and Tegra30. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/Kconfig | 1 + arch/arm/mach-tegra/clock.h | 1 + arch/arm/mach-tegra/tegra20_clocks.c | 986 +++++++++-------- arch/arm/mach-tegra/tegra20_clocks.h | 4 + arch/arm/mach-tegra/tegra20_clocks_data.c | 1318 +++++++++++++---------- arch/arm/mach-tegra/tegra30_clocks.c | 1331 +++++++++++++---------- arch/arm/mach-tegra/tegra30_clocks.h | 14 +- arch/arm/mach-tegra/tegra30_clocks_data.c | 1688 ++++++++++++++++------------- 8 files changed, 3029 insertions(+), 2314 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 35ef64e..0c46390 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -647,6 +647,7 @@ config ARCH_TEGRA select NEED_MACH_IO_H if PCI select ARCH_HAS_CPUFREQ select USE_OF + select COMMON_CLK help This enables support for NVIDIA Tegra based systems (Tegra APX, Tegra 6xx and Tegra 2 series). diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index f4d32ba..be69ae1 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -233,6 +233,7 @@ int clk_set_rate_locked(struct clk *c, unsigned long rate); int clk_reparent(struct clk *c, struct clk *parent); #endif /* !CONFIG_COMMON_CLK */ +void tegra_clk_add(struct clk *c); void tegra2_init_clocks(void); void tegra30_init_clocks(void); struct clk *tegra_get_clock_by_name(const char *name); diff --git a/arch/arm/mach-tegra/tegra20_clocks.c b/arch/arm/mach-tegra/tegra20_clocks.c index cf7782f..cd06b7c 100644 --- a/arch/arm/mach-tegra/tegra20_clocks.c +++ b/arch/arm/mach-tegra/tegra20_clocks.c @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/tegra2_clocks.c * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -96,7 +97,7 @@ #define PLL_OUT_CLKEN (1<<1) #define PLL_OUT_RESET_DISABLE (1<<0) -#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) +#define PLL_MISC(c) (((c)->flags & PLL_ALT_MISC_REG) ? 0x4 : 0xc) #define PLL_MISC_DCCON_SHIFT 20 #define PLL_MISC_CPCON_SHIFT 8 @@ -189,7 +190,8 @@ static unsigned long clk_measure_input_freq(void) } else if (clock_autodetect >= 1587 - 3 && clock_autodetect <= 1587 + 3) { return 26000000; } else { - pr_err("%s: Unexpected clock autodetect value %d", __func__, clock_autodetect); + pr_err("%s: Unexpected clock autodetect value %d", + __func__, clock_autodetect); BUG(); return 0; } @@ -228,12 +230,21 @@ static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate) } /* clk_m functions */ -static unsigned long tegra2_clk_m_autodetect_rate(struct clk *c) +static unsigned long tegra2_clk_m_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - u32 auto_clock_control = clk_readl(OSC_CTRL) & ~OSC_CTRL_OSC_FREQ_MASK; + if (!to_clk_tegra(hw)->fixed_rate) + to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq(); + return to_clk_tegra(hw)->fixed_rate; +} + +static void tegra2_clk_m_init(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 osc_ctrl = clk_readl(OSC_CTRL); + u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK; - c->rate = clk_measure_input_freq(); - switch (c->rate) { + switch (c->fixed_rate) { case 12000000: auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ; break; @@ -247,35 +258,14 @@ static unsigned long tegra2_clk_m_autodetect_rate(struct clk *c) auto_clock_control |= OSC_CTRL_OSC_FREQ_26MHZ; break; default: - pr_err("%s: Unexpected clock rate %ld", __func__, c->rate); BUG(); } clk_writel(auto_clock_control, OSC_CTRL); - return c->rate; -} - -static void tegra2_clk_m_init(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - tegra2_clk_m_autodetect_rate(c); -} - -static int tegra2_clk_m_enable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - return 0; -} - -static void tegra2_clk_m_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - BUG(); } struct clk_ops tegra_clk_m_ops = { .init = tegra2_clk_m_init, - .enable = tegra2_clk_m_enable, - .disable = tegra2_clk_m_disable, + .recalc_rate = tegra2_clk_m_recalc_rate, }; /* super clock functions */ @@ -284,161 +274,108 @@ struct clk_ops tegra_clk_m_ops = { * can't lower the voltage when using the clock skip, but we can if we * lower the PLL frequency. */ -static void tegra2_super_clk_init(struct clk *c) +static int tegra2_super_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - int source; - int shift; - const struct clk_mux_sel *sel; + val = clk_readl(c->reg + SUPER_CLK_MUX); - c->state = ON; BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); - shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? - SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - source = (val >> shift) & SUPER_SOURCE_MASK; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->value == source) - break; - } - BUG_ON(sel->input == NULL); - c->parent = sel->input; + c->state = ON; + return c->state; } -static int tegra2_super_clk_enable(struct clk *c) +static int tegra2_super_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); clk_writel(0, c->reg + SUPER_CLK_DIVIDER); return 0; } -static void tegra2_super_clk_disable(struct clk *c) +static void tegra2_super_clk_disable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); /* oops - don't disable the CPU clock! */ BUG(); } -static int tegra2_super_clk_set_parent(struct clk *c, struct clk *p) +static u8 tegra2_super_clk_get_parent(struct clk_hw *hw) { - u32 val; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); + int val = clk_readl(c->reg + SUPER_CLK_MUX); + int source; int shift; - val = clk_readl(c->reg + SUPER_CLK_MUX); BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val &= ~(SUPER_SOURCE_MASK << shift); - val |= sel->value << shift; + source = (val >> shift) & SUPER_SOURCE_MASK; + return source; +} - if (c->refcnt) - clk_enable(p); +static int tegra2_super_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg + SUPER_CLK_MUX); + int shift; - clk_writel(val, c->reg); + BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && + ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); + shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? + SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; + val &= ~(SUPER_SOURCE_MASK << shift); + val |= index << shift; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); - clk_reparent(c, p); - return 0; - } - } - return -EINVAL; + return 0; } -/* - * Super clocks have "clock skippers" instead of dividers. Dividing using - * a clock skipper does not allow the voltage to be scaled down, so instead - * adjust the rate of the parent clock. This requires that the parent of a - * super clock have no other children, otherwise the rate will change - * underneath the other children. - */ -static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate) +/* FIX ME: Need to switch parents to change the source PLL rate */ +static unsigned long tegra2_super_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - return clk_set_rate(c->parent, rate); + return prate; } -struct clk_ops tegra_super_ops = { - .init = tegra2_super_clk_init, - .enable = tegra2_super_clk_enable, - .disable = tegra2_super_clk_disable, - .set_parent = tegra2_super_clk_set_parent, - .set_rate = tegra2_super_clk_set_rate, -}; - -/* virtual cpu clock functions */ -/* some clocks can not be stopped (cpu, memory bus) while the SoC is running. - To change the frequency of these clocks, the parent pll may need to be - reprogrammed, so the clock must be moved off the pll, the pll reprogrammed, - and then the clock moved back to the pll. To hide this sequence, a virtual - clock handles it. - */ -static void tegra2_cpu_clk_init(struct clk *c) +static long tegra2_super_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + return *prate; } -static int tegra2_cpu_clk_enable(struct clk *c) +static int tegra2_super_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { return 0; } -static void tegra2_cpu_clk_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - - /* oops - don't disable the CPU clock! */ - BUG(); -} +struct clk_ops tegra_super_ops = { + .is_enabled = tegra2_super_clk_is_enabled, + .enable = tegra2_super_clk_enable, + .disable = tegra2_super_clk_disable, + .set_parent = tegra2_super_clk_set_parent, + .get_parent = tegra2_super_clk_get_parent, + .set_rate = tegra2_super_clk_set_rate, + .round_rate = tegra2_super_clk_round_rate, + .recalc_rate = tegra2_super_clk_recalc_rate, +}; -static int tegra2_cpu_clk_set_rate(struct clk *c, unsigned long rate) +static u8 tegra2_cop_clk_get_parent(struct clk_hw *hw) { - int ret; - /* - * Take an extra reference to the main pll so it doesn't turn - * off when we move the cpu off of it - */ - clk_enable(c->u.cpu.main); - - ret = clk_set_parent(c->parent, c->u.cpu.backup); - if (ret) { - pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.backup->name); - goto out; - } - - if (rate == clk_get_rate(c->u.cpu.backup)) - goto out; - - ret = clk_set_rate(c->u.cpu.main, rate); - if (ret) { - pr_err("Failed to change cpu pll to %lu\n", rate); - goto out; - } - - ret = clk_set_parent(c->parent, c->u.cpu.main); - if (ret) { - pr_err("Failed to switch cpu to clock %s\n", c->u.cpu.main->name); - goto out; - } - -out: - clk_disable(c->u.cpu.main); - return ret; + return 0; } -struct clk_ops tegra_cpu_ops = { - .init = tegra2_cpu_clk_init, - .enable = tegra2_cpu_clk_enable, - .disable = tegra2_cpu_clk_disable, - .set_rate = tegra2_cpu_clk_set_rate, +struct clk_ops tegra_cop_ops = { + .get_parent = tegra2_cop_clk_get_parent, }; /* virtual cop clock functions. Used to acquire the fake 'cop' clock to * reset the COP block (i.e. AVP) */ -static void tegra2_cop_clk_reset(struct clk *c, bool assert) +void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert) { unsigned long reg = assert ? RST_DEVICES_SET : RST_DEVICES_CLR; @@ -446,23 +383,21 @@ static void tegra2_cop_clk_reset(struct clk *c, bool assert) clk_writel(1 << 1, reg); } -struct clk_ops tegra_cop_ops = { - .reset = tegra2_cop_clk_reset, -}; - /* bus clock functions */ -static void tegra2_bus_clk_init(struct clk *c) +static int tegra2_bus_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); + c->state = ((val >> c->reg_shift) & BUS_CLK_DISABLE) ? OFF : ON; - c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1; - c->mul = 1; + return c->state; } -static int tegra2_bus_clk_enable(struct clk *c) +static int tegra2_bus_clk_enable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 val; spin_lock_irqsave(&clock_register_lock, flags); @@ -475,10 +410,11 @@ static int tegra2_bus_clk_enable(struct clk *c) return 0; } -static void tegra2_bus_clk_disable(struct clk *c) +static void tegra2_bus_clk_disable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 val; spin_lock_irqsave(&clock_register_lock, flags); @@ -489,12 +425,31 @@ static void tegra2_bus_clk_disable(struct clk *c) spin_unlock_irqrestore(&clock_register_lock, flags); } -static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra2_bus_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - u32 val; - unsigned long parent_rate = clk_get_rate(c->parent); - unsigned long flags; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + u64 rate = prate; + + c->div = ((val >> c->reg_shift) & BUS_CLK_DIV_MASK) + 1; + c->mul = 1; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; +} + +static int tegra2_bus_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); int ret = -EINVAL; + unsigned long flags; + u32 val; int i; spin_lock_irqsave(&clock_register_lock, flags); @@ -517,21 +472,58 @@ static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) return ret; } +static long tegra2_bus_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long parent_rate = *prate; + s64 divider; + + if (rate >= parent_rate) + return rate; + + divider = parent_rate; + divider += rate - 1; + do_div(divider, rate); + + divider -= 1; + if (divider < 0) + return divider; + + if (divider > 4) + divider = 4; + + do_div(parent_rate, divider); + + return parent_rate; +} + struct clk_ops tegra_bus_ops = { - .init = tegra2_bus_clk_init, + .is_enabled = tegra2_bus_clk_is_enabled, .enable = tegra2_bus_clk_enable, .disable = tegra2_bus_clk_disable, .set_rate = tegra2_bus_clk_set_rate, + .round_rate = tegra2_bus_clk_round_rate, + .recalc_rate = tegra2_bus_clk_recalc_rate, }; /* Blink output functions */ - -static void tegra2_blink_clk_init(struct clk *c) +static int tegra2_blink_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; val = pmc_readl(PMC_CTRL); c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; + return c->state; +} + +static unsigned long tegra2_blink_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + u32 val; + c->mul = 1; val = pmc_readl(c->reg); @@ -548,9 +540,16 @@ static void tegra2_blink_clk_init(struct clk *c) } else { c->div = 1; } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } -static int tegra2_blink_clk_enable(struct clk *c) +static int tegra2_blink_clk_enable(struct clk_hw *hw) { u32 val; @@ -563,7 +562,7 @@ static int tegra2_blink_clk_enable(struct clk *c) return 0; } -static void tegra2_blink_clk_disable(struct clk *c) +static void tegra2_blink_clk_disable(struct clk_hw *hw) { u32 val; @@ -574,9 +573,11 @@ static void tegra2_blink_clk_disable(struct clk *c) pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); } -static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); + if (rate >= parent_rate) { c->div = 1; pmc_writel(0, c->reg); @@ -599,31 +600,74 @@ static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } +static long tegra2_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + int div; + int mul; + long round_rate = *prate; + + mul = 1; + + if (rate >= *prate) { + div = 1; + } else { + div = DIV_ROUND_UP(*prate / 8, rate); + div *= 8; + } + + round_rate *= mul; + round_rate += div - 1; + do_div(round_rate, div); + + return round_rate; +} + struct clk_ops tegra_blink_clk_ops = { - .init = &tegra2_blink_clk_init, + .is_enabled = &tegra2_blink_clk_is_enabled, .enable = &tegra2_blink_clk_enable, .disable = &tegra2_blink_clk_disable, .set_rate = &tegra2_blink_clk_set_rate, + .round_rate = &tegra2_blink_clk_round_rate, + .recalc_rate = &tegra2_blink_clk_recalc_rate, }; /* PLL Functions */ -static int tegra2_pll_clk_wait_for_lock(struct clk *c) +static int tegra2_pll_clk_wait_for_lock(struct clk_tegra *c) { udelay(c->u.pll.lock_delay); - return 0; } -static void tegra2_pll_clk_init(struct clk *c) +static int tegra2_pll_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLL_BASE_ENABLE) ? ON : OFF; + return c->state; +} + +static unsigned long tegra2_pll_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg + PLL_BASE); + u64 rate = prate; if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { - pr_warning("Clock %s has unknown fixed frequency\n", c->name); - c->mul = 1; - c->div = 1; + const struct clk_pll_freq_table *sel; + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == prate && + sel->output_rate == c->u.pll.fixed_rate) { + c->mul = sel->n; + c->div = sel->m * sel->p; + break; + } + } + pr_err("Clock %s has unknown fixed frequency\n", + __clk_get_name(hw->clk)); + BUG(); } else if (val & PLL_BASE_BYPASS) { c->mul = 1; c->div = 1; @@ -635,12 +679,20 @@ static void tegra2_pll_clk_init(struct clk *c) else c->div *= (val & PLL_BASE_DIVP_MASK) ? 2 : 1; } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } -static int tegra2_pll_clk_enable(struct clk *c) +static int tegra2_pll_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg + PLL_BASE); val &= ~PLL_BASE_BYPASS; @@ -652,25 +704,38 @@ static int tegra2_pll_clk_enable(struct clk *c) return 0; } -static void tegra2_pll_clk_disable(struct clk *c) +static void tegra2_pll_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); clk_writel(val, c->reg); } -static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - u32 val; - unsigned long input_rate; + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long input_rate = parent_rate; const struct clk_pll_freq_table *sel; + u32 val; + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + if (c->flags & PLL_FIXED) { + int ret = 0; + if (rate != c->u.pll.fixed_rate) { + pr_err("%s: Can not change %s fixed rate %lu to %lu\n", + __func__, __clk_get_name(hw->clk), + c->u.pll.fixed_rate, rate); + ret = -EINVAL; + } + return ret; + } - input_rate = clk_get_rate(c->parent); for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { if (sel->input_rate == input_rate && sel->output_rate == rate) { c->mul = sel->n; @@ -701,41 +766,75 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) } if (c->state == ON) - tegra2_pll_clk_enable(c); - + tegra2_pll_clk_enable(hw); return 0; } } return -EINVAL; } +static long tegra2_pll_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + const struct clk_pll_freq_table *sel; + unsigned long input_rate = *prate; + unsigned long output_rate = *prate; + int mul; + int div; + + if (c->flags & PLL_FIXED) + return c->u.pll.fixed_rate; + + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) + if (sel->input_rate == input_rate && sel->output_rate == rate) { + mul = sel->n; + div = sel->m * sel->p; + } + + if (sel->input_rate == 0) + return -EINVAL; + + output_rate *= mul; + output_rate += div - 1; /* round up */ + do_div(output_rate, div); + + return output_rate; +} + struct clk_ops tegra_pll_ops = { - .init = tegra2_pll_clk_init, + .is_enabled = tegra2_pll_clk_is_enabled, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; -static void tegra2_pllx_clk_init(struct clk *c) +static void tegra2_pllx_clk_init(struct clk_hw *hw) { - tegra2_pll_clk_init(c); + struct clk_tegra *c = to_clk_tegra(hw); if (tegra_sku_id == 7) c->max_rate = 750000000; } struct clk_ops tegra_pllx_ops = { - .init = tegra2_pllx_clk_init, - .enable = tegra2_pll_clk_enable, - .disable = tegra2_pll_clk_disable, - .set_rate = tegra2_pll_clk_set_rate, + .init = tegra2_pllx_clk_init, + .is_enabled = tegra2_pll_clk_is_enabled, + .enable = tegra2_pll_clk_enable, + .disable = tegra2_pll_clk_disable, + .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; -static int tegra2_plle_clk_enable(struct clk *c) +static int tegra2_plle_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); mdelay(1); @@ -751,20 +850,35 @@ static int tegra2_plle_clk_enable(struct clk *c) } struct clk_ops tegra_plle_ops = { - .init = tegra2_pll_clk_init, - .enable = tegra2_plle_clk_enable, - .set_rate = tegra2_pll_clk_set_rate, + .is_enabled = tegra2_pll_clk_is_enabled, + .enable = tegra2_plle_clk_enable, + .set_rate = tegra2_pll_clk_set_rate, + .recalc_rate = tegra2_pll_clk_recalc_rate, + .round_rate = tegra2_pll_clk_round_rate, }; /* Clock divider ops */ -static void tegra2_pll_div_clk_init(struct clk *c) +static int tegra2_pll_div_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); - u32 divu71; + val >>= c->reg_shift; c->state = (val & PLL_OUT_CLKEN) ? ON : OFF; if (!(val & PLL_OUT_RESET_DISABLE)) c->state = OFF; + return c->state; +} + +static unsigned long tegra2_pll_div_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + u32 val = clk_readl(c->reg); + u32 divu71; + + val >>= c->reg_shift; if (c->flags & DIV_U71) { divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; @@ -777,15 +891,23 @@ static void tegra2_pll_div_clk_init(struct clk *c) c->div = 1; c->mul = 1; } + + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + + return rate; } -static int tegra2_pll_div_clk_enable(struct clk *c) +static int tegra2_pll_div_clk_enable(struct clk_hw *hw) { - u32 val; - u32 new_val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 new_val; + u32 val; + + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); - pr_debug("%s: %s\n", __func__, c->name); if (c->flags & DIV_U71) { spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); @@ -811,13 +933,15 @@ static int tegra2_pll_div_clk_enable(struct clk *c) return -EINVAL; } -static void tegra2_pll_div_clk_disable(struct clk *c) +static void tegra2_pll_div_clk_disable(struct clk_hw *hw) { - u32 val; - u32 new_val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + u32 new_val; + u32 val; + + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); - pr_debug("%s: %s\n", __func__, c->name); if (c->flags & DIV_U71) { spin_lock_irqsave(&clock_register_lock, flags); val = clk_readl(c->reg); @@ -840,15 +964,17 @@ static void tegra2_pll_div_clk_disable(struct clk *c) } } -static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_pll_div_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - u32 val; - u32 new_val; - int divider_u71; - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; + int divider_u71; + u32 new_val; + u32 val; + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { divider_u71 = clk_div71_get_divider(parent_rate, rate); if (divider_u71 >= 0) { @@ -876,11 +1002,14 @@ static int tegra2_pll_div_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) +static long tegra2_pll_div_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = *prate; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); @@ -894,49 +1023,24 @@ static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) } struct clk_ops tegra_pll_div_ops = { - .init = tegra2_pll_div_clk_init, + .is_enabled = tegra2_pll_div_clk_is_enabled, .enable = tegra2_pll_div_clk_enable, .disable = tegra2_pll_div_clk_disable, .set_rate = tegra2_pll_div_clk_set_rate, .round_rate = tegra2_pll_div_clk_round_rate, + .recalc_rate = tegra2_pll_div_clk_recalc_rate, }; /* Periph clk ops */ -static void tegra2_periph_clk_init(struct clk *c) +static int tegra2_periph_clk_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - const struct clk_mux_sel *mux = NULL; - const struct clk_mux_sel *sel; - if (c->flags & MUX) { - for (sel = c->inputs; sel->input != NULL; sel++) { - if (val >> PERIPH_CLK_SOURCE_SHIFT == sel->value) - mux = sel; - } - BUG_ON(!mux); - - c->parent = mux->input; - } else { - c->parent = c->inputs[0].input; - } - - if (c->flags & DIV_U71) { - u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; - c->div = divu71 + 2; - c->mul = 2; - } else if (c->flags & DIV_U16) { - u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; - c->div = divu16 + 1; - c->mul = 1; - } else { - c->div = 1; - c->mul = 1; - } + struct clk_tegra *c = to_clk_tegra(hw); c->state = ON; if (!c->u.periph.clk_num) - return; + goto out; if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) @@ -946,24 +1050,27 @@ static void tegra2_periph_clk_init(struct clk *c) if (clk_readl(RST_DEVICES + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c)) c->state = OFF; + +out: + return c->state; } -static int tegra2_periph_clk_enable(struct clk *c) +static int tegra2_periph_clk_enable(struct clk_hw *hw) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; - int refcount; - pr_debug("%s on clock %s\n", __func__, c->name); + u32 val; + + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); if (!c->u.periph.clk_num) return 0; - spin_lock_irqsave(&clock_register_lock, flags); - - refcount = tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; + if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1) + return 0; - if (refcount > 1) - goto out; + spin_lock_irqsave(&clock_register_lock, flags); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), CLK_OUT_ENB_SET + PERIPH_CLK_TO_ENB_SET_REG(c)); @@ -978,39 +1085,41 @@ static int tegra2_periph_clk_enable(struct clk *c) clk_writel(val, c->reg); } -out: spin_unlock_irqrestore(&clock_register_lock, flags); return 0; } -static void tegra2_periph_clk_disable(struct clk *c) +static void tegra2_periph_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); if (!c->u.periph.clk_num) return; - spin_lock_irqsave(&clock_register_lock, flags); + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; - if (c->refcnt) - tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; + if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 0) + return; - if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) - clk_writel(PERIPH_CLK_TO_ENB_BIT(c), - CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); + spin_lock_irqsave(&clock_register_lock, flags); + + clk_writel(PERIPH_CLK_TO_ENB_BIT(c), + CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); spin_unlock_irqrestore(&clock_register_lock, flags); } -static void tegra2_periph_clk_reset(struct clk *c, bool assert) +void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long base = assert ? RST_DEVICES_SET : RST_DEVICES_CLR; pr_debug("%s %s on clock %s\n", __func__, - assert ? "assert" : "deassert", c->name); + assert ? "assert" : "deassert", __clk_get_name(hw->clk)); BUG_ON(!c->u.periph.clk_num); @@ -1019,41 +1128,75 @@ static void tegra2_periph_clk_reset(struct clk *c, bool assert) base + PERIPH_CLK_TO_ENB_SET_REG(c)); } -static int tegra2_periph_clk_set_parent(struct clk *c, struct clk *p) +static int tegra2_periph_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~PERIPH_CLK_SOURCE_MASK; - val |= (sel->value) << PERIPH_CLK_SOURCE_SHIFT; - if (c->refcnt) - clk_enable(p); + pr_debug("%s: %s %d\n", __func__, __clk_get_name(hw->clk), index); - clk_writel(val, c->reg); + val = clk_readl(c->reg); + val &= ~PERIPH_CLK_SOURCE_MASK; + val |= (index) << PERIPH_CLK_SOURCE_SHIFT; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); - clk_reparent(c, p); - return 0; - } + return 0; +} + +static u8 tegra2_periph_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + + if (c->flags & MUX) + return (val & PERIPH_CLK_SOURCE_MASK) >> + PERIPH_CLK_SOURCE_SHIFT; + else + return 0; +} + +static unsigned long tegra2_periph_clk_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = prate; + u32 val = clk_readl(c->reg); + + if (c->flags & DIV_U71) { + u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; + c->div = divu71 + 2; + c->mul = 2; + } else if (c->flags & DIV_U16) { + u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; + c->div = divu16 + 1; + c->mul = 1; + } else { + c->div = 1; + c->mul = 1; } - return -EINVAL; + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } -static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_periph_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); + + val = clk_readl(c->reg); if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); + if (divider >= 0) { val = clk_readl(c->reg); val &= ~PERIPH_CLK_SOURCE_DIVU71_MASK; @@ -1079,15 +1222,21 @@ static int tegra2_periph_clk_set_rate(struct clk *c, unsigned long rate) c->mul = 1; return 0; } + return -EINVAL; } -static long tegra2_periph_clk_round_rate(struct clk *c, - unsigned long rate) +static long tegra2_periph_clk_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + pr_debug("%s: %s %lu\n", __func__, __clk_get_name(hw->clk), rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider(parent_rate, rate); @@ -1105,44 +1254,27 @@ static long tegra2_periph_clk_round_rate(struct clk *c, } struct clk_ops tegra_periph_clk_ops = { - .init = &tegra2_periph_clk_init, + .is_enabled = &tegra2_periph_clk_is_enabled, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, .set_parent = &tegra2_periph_clk_set_parent, + .get_parent = &tegra2_periph_clk_get_parent, .set_rate = &tegra2_periph_clk_set_rate, .round_rate = &tegra2_periph_clk_round_rate, - .reset = &tegra2_periph_clk_reset, + .recalc_rate = &tegra2_periph_clk_recalc_rate, }; -/* The SDMMC controllers have extra bits in the clock source register that - * adjust the delay between the clock and data to compenstate for delays - * on the PCB. */ -void tegra2_sdmmc_tap_delay(struct clk *c, int delay) -{ - u32 reg; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - delay = clamp(delay, 0, 15); - reg = clk_readl(c->reg); - reg &= ~SDMMC_CLK_INT_FB_DLY_MASK; - reg |= SDMMC_CLK_INT_FB_SEL; - reg |= delay << SDMMC_CLK_INT_FB_DLY_SHIFT; - clk_writel(reg, c->reg); - - spin_unlock_irqrestore(&c->spinlock, flags); -} - /* External memory controller clock ops */ -static void tegra2_emc_clk_init(struct clk *c) +static void tegra2_emc_clk_init(struct clk_hw *hw) { - tegra2_periph_clk_init(c); - c->max_rate = clk_get_rate_locked(c); + struct clk_tegra *c = to_clk_tegra(hw); + c->max_rate = __clk_get_rate(hw->clk); } -static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) +static long tegra2_emc_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); long emc_rate; long clk_rate; @@ -1158,7 +1290,7 @@ static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) * The fastest rate the PLL will generate that is at most the * requested rate. */ - clk_rate = tegra2_periph_clk_round_rate(c, emc_rate); + clk_rate = tegra2_periph_clk_round_rate(hw, emc_rate, NULL); /* * If this fails, and emc_rate > clk_rate, it's because the maximum @@ -1174,9 +1306,11 @@ static long tegra2_emc_clk_round_rate(struct clk *c, unsigned long rate) return emc_rate; } -static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra2_emc_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { int ret; + /* * The Tegra2 memory controller has an interlock with the clock * block that allows memory shadowed registers to be updated, @@ -1187,116 +1321,145 @@ static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) if (ret < 0) return ret; - ret = tegra2_periph_clk_set_rate(c, rate); + ret = tegra2_periph_clk_set_rate(hw, rate, parent_rate); udelay(1); return ret; } struct clk_ops tegra_emc_clk_ops = { - .init = &tegra2_emc_clk_init, - .enable = &tegra2_periph_clk_enable, - .disable = &tegra2_periph_clk_disable, - .set_parent = &tegra2_periph_clk_set_parent, - .set_rate = &tegra2_emc_clk_set_rate, - .round_rate = &tegra2_emc_clk_round_rate, - .reset = &tegra2_periph_clk_reset, + .init = &tegra2_emc_clk_init, + .is_enabled = &tegra2_periph_clk_is_enabled, + .enable = &tegra2_periph_clk_enable, + .disable = &tegra2_periph_clk_disable, + .set_parent = &tegra2_periph_clk_set_parent, + .get_parent = &tegra2_periph_clk_get_parent, + .set_rate = &tegra2_emc_clk_set_rate, + .round_rate = &tegra2_emc_clk_round_rate, + .recalc_rate = &tegra2_periph_clk_recalc_rate, }; /* Clock doubler ops */ -static void tegra2_clk_double_init(struct clk *c) +static int tegra2_clk_double_is_enabled(struct clk_hw *hw) { - c->mul = 2; - c->div = 1; + struct clk_tegra *c = to_clk_tegra(hw); + c->state = ON; if (!c->u.periph.clk_num) - return; + goto out; if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) c->state = OFF; + +out: + return c->state; }; -static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra2_clk_double_recalc_rate(struct clk_hw *hw, + unsigned long prate) { - if (rate != 2 * clk_get_rate(c->parent)) - return -EINVAL; + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = prate; + c->mul = 2; c->div = 1; + + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + + return rate; +} + +static long tegra2_clk_double_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long output_rate = *prate; + + do_div(output_rate, 2); + return output_rate; +} + +static int tegra2_clk_double_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + if (rate != 2 * parent_rate) + return -EINVAL; return 0; } struct clk_ops tegra_clk_double_ops = { - .init = &tegra2_clk_double_init, + .is_enabled = &tegra2_clk_double_is_enabled, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, .set_rate = &tegra2_clk_double_set_rate, + .recalc_rate = &tegra2_clk_double_recalc_rate, + .round_rate = &tegra2_clk_double_round_rate, }; /* Audio sync clock ops */ -static void tegra2_audio_sync_clk_init(struct clk *c) +static int tegra2_audio_sync_clk_is_enabled(struct clk_hw *hw) { - int source; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); + c->state = (val & (1<<4)) ? OFF : ON; - source = val & 0xf; - for (sel = c->inputs; sel->input != NULL; sel++) - if (sel->value == source) - break; - BUG_ON(sel->input == NULL); - c->parent = sel->input; + return c->state; } -static int tegra2_audio_sync_clk_enable(struct clk *c) +static int tegra2_audio_sync_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + clk_writel(0, c->reg); return 0; } -static void tegra2_audio_sync_clk_disable(struct clk *c) +static void tegra2_audio_sync_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); clk_writel(1, c->reg); } -static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) +static u8 tegra2_audio_sync_clk_get_parent(struct clk_hw *hw) { - u32 val; - const struct clk_mux_sel *sel; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~0xf; - val |= sel->value; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source; - if (c->refcnt) - clk_enable(p); + source = val & 0xf; + return source; +} - clk_writel(val, c->reg); +static int tegra2_audio_sync_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; - if (c->refcnt && c->parent) - clk_disable(c->parent); + val = clk_readl(c->reg); + val &= ~0xf; + val |= index; - clk_reparent(c, p); - return 0; - } - } + clk_writel(val, c->reg); - return -EINVAL; + return 0; } struct clk_ops tegra_audio_sync_clk_ops = { - .init = tegra2_audio_sync_clk_init, - .enable = tegra2_audio_sync_clk_enable, - .disable = tegra2_audio_sync_clk_disable, - .set_parent = tegra2_audio_sync_clk_set_parent, + .is_enabled = tegra2_audio_sync_clk_is_enabled, + .enable = tegra2_audio_sync_clk_enable, + .disable = tegra2_audio_sync_clk_disable, + .set_parent = tegra2_audio_sync_clk_set_parent, + .get_parent = tegra2_audio_sync_clk_get_parent, }; /* cdev1 and cdev2 (dap_mclk1 and dap_mclk2) ops */ -static void tegra2_cdev_clk_init(struct clk *c) +static int tegra2_cdev_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); /* We could un-tristate the cdev1 or cdev2 pingroup here; this is * currently done in the pinmux code. */ c->state = ON; @@ -1306,10 +1469,12 @@ static void tegra2_cdev_clk_init(struct clk *c) if (!(clk_readl(CLK_OUT_ENB + PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_ENB_BIT(c))) c->state = OFF; + return c->state; } -static int tegra2_cdev_clk_enable(struct clk *c) +static int tegra2_cdev_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); BUG_ON(!c->u.periph.clk_num); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), @@ -1317,8 +1482,9 @@ static int tegra2_cdev_clk_enable(struct clk *c) return 0; } -static void tegra2_cdev_clk_disable(struct clk *c) +static void tegra2_cdev_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); BUG_ON(!c->u.periph.clk_num); clk_writel(PERIPH_CLK_TO_ENB_BIT(c), @@ -1326,109 +1492,7 @@ static void tegra2_cdev_clk_disable(struct clk *c) } struct clk_ops tegra_cdev_clk_ops = { - .init = &tegra2_cdev_clk_init, + .is_enabled = &tegra2_cdev_clk_is_enabled, .enable = &tegra2_cdev_clk_enable, .disable = &tegra2_cdev_clk_disable, }; - -/* shared bus ops */ -/* - * Some clocks may have multiple downstream users that need to request a - * higher clock rate. Shared bus clocks provide a unique shared_bus_user - * clock to each user. The frequency of the bus is set to the highest - * enabled shared_bus_user clock, with a minimum value set by the - * shared bus. - */ -static int tegra_clk_shared_bus_update(struct clk *bus) -{ - struct clk *c; - unsigned long rate = bus->min_rate; - - list_for_each_entry(c, &bus->shared_bus_list, u.shared_bus_user.node) - if (c->u.shared_bus_user.enabled) - rate = max(c->u.shared_bus_user.rate, rate); - - if (rate == clk_get_rate_locked(bus)) - return 0; - - return clk_set_rate_locked(bus, rate); -}; - -static void tegra_clk_shared_bus_init(struct clk *c) -{ - unsigned long flags; - - c->max_rate = c->parent->max_rate; - c->u.shared_bus_user.rate = c->parent->max_rate; - c->state = OFF; - c->set = true; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - list_add_tail(&c->u.shared_bus_user.node, - &c->parent->shared_bus_list); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); -} - -static int tegra_clk_shared_bus_set_rate(struct clk *c, unsigned long rate) -{ - unsigned long flags; - int ret; - long new_rate = rate; - - new_rate = clk_round_rate(c->parent, new_rate); - if (new_rate < 0) - return new_rate; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.rate = new_rate; - ret = tegra_clk_shared_bus_update(c->parent); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); - - return ret; -} - -static long tegra_clk_shared_bus_round_rate(struct clk *c, unsigned long rate) -{ - return clk_round_rate(c->parent, rate); -} - -static int tegra_clk_shared_bus_enable(struct clk *c) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.enabled = true; - ret = tegra_clk_shared_bus_update(c->parent); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); - - return ret; -} - -static void tegra_clk_shared_bus_disable(struct clk *c) -{ - unsigned long flags; - int ret; - - spin_lock_irqsave(&c->parent->spinlock, flags); - - c->u.shared_bus_user.enabled = false; - ret = tegra_clk_shared_bus_update(c->parent); - WARN_ON_ONCE(ret); - - spin_unlock_irqrestore(&c->parent->spinlock, flags); -} - -struct clk_ops tegra_clk_shared_bus_ops = { - .init = tegra_clk_shared_bus_init, - .enable = tegra_clk_shared_bus_enable, - .disable = tegra_clk_shared_bus_disable, - .set_rate = tegra_clk_shared_bus_set_rate, - .round_rate = tegra_clk_shared_bus_round_rate, -}; diff --git a/arch/arm/mach-tegra/tegra20_clocks.h b/arch/arm/mach-tegra/tegra20_clocks.h index 167058c..0e42ec0 100644 --- a/arch/arm/mach-tegra/tegra20_clocks.h +++ b/arch/arm/mach-tegra/tegra20_clocks.h @@ -17,6 +17,7 @@ #ifndef __MACH_TEGRA20_CLOCK_H #define __MACH_TEGRA20_CLOCK_H +extern struct clk_ops tegra_clk_32k_ops; extern struct clk_ops tegra_pll_ops; extern struct clk_ops tegra_clk_m_ops; extern struct clk_ops tegra_pll_div_ops; @@ -34,4 +35,7 @@ extern struct clk_ops tegra_emc_clk_ops; extern struct clk_ops tegra_periph_clk_ops; extern struct clk_ops tegra_clk_shared_bus_ops; +void tegra2_periph_clk_reset(struct clk_hw *hw, bool assert); +void tegra2_cop_clk_reset(struct clk_hw *hw, bool assert); + #endif diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c index 8d0f019..3402acd 100644 --- a/arch/arm/mach-tegra/tegra20_clocks_data.c +++ b/arch/arm/mach-tegra/tegra20_clocks_data.c @@ -2,6 +2,7 @@ * arch/arm/mach-tegra/tegra2_clocks.c * * Copyright (C) 2010 Google, Inc. + * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. * * Author: * Colin Cross <ccross@google.com> @@ -17,13 +18,13 @@ * */ +#include <linux/clk-private.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/io.h> -#include <linux/clkdev.h> #include <linux/clk.h> #include <mach/iomap.h> @@ -35,56 +36,151 @@ #include "tegra20_clocks.h" /* Clock definitions */ + +#define DEFINE_CLK_TEGRA(_name, _rate, _ops, _flags, \ + _parent_names, _parents, _parent) \ + static struct clk tegra_##_name = { \ + .hw = &tegra_##_name##_hw.hw, \ + .name = #_name, \ + .rate = _rate, \ + .ops = _ops, \ + .flags = _flags, \ + .parent_names = _parent_names, \ + .parents = _parents, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .parent = _parent, \ + }; + +static struct clk tegra_clk_32k; +static struct clk_tegra tegra_clk_32k_hw = { + .hw = { + .clk = &tegra_clk_32k, + }, + .fixed_rate = 32768, +}; + static struct clk tegra_clk_32k = { .name = "clk_32k", .rate = 32768, - .ops = NULL, - .max_rate = 32768, + .ops = &tegra_clk_32k_ops, + .hw = &tegra_clk_32k_hw.hw, + .flags = CLK_IS_ROOT, }; -static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { - {32768, 12000000, 366, 1, 1, 0}, - {32768, 13000000, 397, 1, 1, 0}, - {32768, 19200000, 586, 1, 1, 0}, - {32768, 26000000, 793, 1, 1, 0}, - {0, 0, 0, 0, 0, 0}, +static struct clk tegra_pll_s; + +static const char *clk_m_parent_names[] = { + "clk_32k", }; -static struct clk tegra_pll_s = { - .name = "pll_s", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_pll_ops, - .parent = &tegra_clk_32k, - .max_rate = 26000000, - .reg = 0xf0, - .u.pll = { - .input_min = 32768, - .input_max = 32768, - .cf_min = 0, /* FIXME */ - .cf_max = 0, /* FIXME */ - .vco_min = 12000000, - .vco_max = 26000000, - .freq_table = tegra_pll_s_freq_table, - .lock_delay = 300, - }, +static struct clk *clk_m_parents[] = { + &tegra_clk_32k, }; -static struct clk_mux_sel tegra_clk_m_sel[] = { - { .input = &tegra_clk_32k, .value = 0}, - { .input = &tegra_pll_s, .value = 1}, - { NULL , 0}, +static struct clk tegra_clk_m; +static struct clk_tegra tegra_clk_m_hw = { + .hw = { + .clk = &tegra_clk_m, + }, + .flags = ENABLE_ON_INIT, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 26000000, + .fixed_rate = 0, }; static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .inputs = tegra_clk_m_sel, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 26000000, + .name = "clk_m", + .ops = &tegra_clk_m_ops, + .hw = &tegra_clk_m_hw.hw, + .flags = CLK_IGNORE_UNUSED, + .parent_names = clk_m_parent_names, + .parents = clk_m_parents, + .num_parents = ARRAY_SIZE(clk_m_parent_names), +}; + +#define DEFINE_PLL(_name, _flags, _reg, _max_rate, _input_min, \ + _input_max, _cf_min, _cf_max, _vco_min, \ + _vco_max, _freq_table, _lock_delay, _ops, \ + _fixed_rate, _parent) \ + static const char *tegra_##_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *tegra_##_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .u.pll = { \ + .input_min = _input_min, \ + .input_max = _input_max, \ + .cf_min = _cf_min, \ + .cf_max = _cf_max, \ + .vco_min = _vco_min, \ + .vco_max = _vco_max, \ + .freq_table = _freq_table, \ + .lock_delay = _lock_delay, \ + .fixed_rate = _fixed_rate, \ + }, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent = &tegra_##_parent, \ + .parent_names = tegra_##_name##_parent_names, \ + .parents = tegra_##_name##_parents, \ + .num_parents = 1, \ + }; + +#define DEFINE_PLL_OUT(_name, _flags, _reg, _reg_shift, \ + _max_rate, _ops, _parent, _clk_flags) \ + static const char *tegra_##_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *tegra_##_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .reg_shift = _reg_shift, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_pll_div_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent = &tegra_##_parent, \ + .parent_names = tegra_##_name##_parent_names, \ + .parents = tegra_##_name##_parents, \ + .num_parents = 1, \ + .flags = _clk_flags, \ + }; + + +static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { + {32768, 12000000, 366, 1, 1, 0}, + {32768, 13000000, 397, 1, 1, 0}, + {32768, 19200000, 586, 1, 1, 0}, + {32768, 26000000, 793, 1, 1, 0}, + {0, 0, 0, 0, 0, 0}, }; +DEFINE_PLL(pll_s, PLL_ALT_MISC_REG, 0xf0, 26000000, 32768, 32768, 0, + 0, 12000000, 26000000, tegra_pll_s_freq_table, 300, + tegra_pll_ops, 0, clk_32k); + static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 600000000, 600, 12, 1, 8 }, { 13000000, 600000000, 600, 13, 1, 8 }, @@ -93,34 +189,12 @@ static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_clk_m, - .max_rate = 600000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_c, PLL_HAS_CPCON, 0x80, 600000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_c_freq_table, 300, + tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_c_out1, DIV_U71, 0x84, 0, 600000000, + tegra_pll_div_ops, pll_c, 0); static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 12000000, 666000000, 666, 12, 1, 8}, @@ -134,34 +208,12 @@ static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_clk_m, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_m, PLL_HAS_CPCON, 0x90, 800000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1200000000, tegra_pll_m_freq_table, 300, + tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_m_out1, DIV_U71, 0x94, 0, 600000000, + tegra_pll_div_ops, pll_m, 0); static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 12000000, 216000000, 432, 12, 2, 8}, @@ -175,64 +227,19 @@ static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_clk_m, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - }, -}; -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; +DEFINE_PLL(pll_p, ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, 0xa0, 432000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1400000000, + tegra_pll_p_freq_table, 300, tegra_pll_ops, 216000000, clk_m); -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; +DEFINE_PLL_OUT(pll_p_out1, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, 0, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out2, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, 16, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out3, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, 0, + 432000000, tegra_pll_div_ops, pll_p, 0); +DEFINE_PLL_OUT(pll_p_out4, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, 16, + 432000000, tegra_pll_div_ops, pll_p, 0); static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 28800000, 56448000, 49, 25, 1, 1}, @@ -241,34 +248,12 @@ static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 73728000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_a, PLL_HAS_CPCON, 0xb0, 73728000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_a_freq_table, 300, + tegra_pll_ops, 0, pll_p_out1); -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 73728000, -}; +DEFINE_PLL_OUT(pll_a_out0, DIV_U71, 0xb4, 0, 73728000, + tegra_pll_div_ops, pll_a, 0); static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 12000000, 216000000, 216, 12, 1, 4}, @@ -289,32 +274,12 @@ static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_pll_ops, - .reg = 0xd0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_d, PLL_HAS_CPCON | PLLD, 0xd0, 1000000000, 2000000, 40000000, + 1000000, 6000000, 40000000, 1000000000, tegra_pll_d_freq_table, + 1000, tegra_pll_ops, 0, clk_m); -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; +DEFINE_PLL_OUT(pll_d_out0, DIV_2 | PLLD, 0, 0, 500000000, + tegra_pll_div_ops, pll_d, CLK_SET_RATE_PARENT); static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 12000000, 480000000, 960, 12, 2, 0}, @@ -324,24 +289,9 @@ static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_clk_m, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_u, PLLU, 0xc0, 480000000, 2000000, 40000000, 1000000, 6000000, + 48000000, 960000000, tegra_pll_u_freq_table, 1000, + tegra_pll_ops, 0, clk_m); static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { /* 1 GHz */ @@ -395,78 +345,86 @@ static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, - .ops = &tegra_pllx_ops, - .reg = 0xe0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_x, PLL_HAS_CPCON | PLL_ALT_MISC_REG, 0xe0, 1000000000, 2000000, + 31000000, 1000000, 6000000, 20000000, 1200000000, + tegra_pll_x_freq_table, 300, tegra_pllx_ops, 0, clk_m); static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { { 12000000, 100000000, 200, 24, 1, 0 }, { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .parent = &tegra_clk_m, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 12000000, - .freq_table = tegra_pll_e_freq_table, - }, +DEFINE_PLL(pll_e, PLL_ALT_MISC_REG, 0xe8, 100000000, 12000000, 12000000, 0, 0, + 0, 0, tegra_pll_e_freq_table, 0, tegra_plle_ops, 0, clk_m); + +static const char *tegra_common_parent_names[] = { + "clk_m", }; -static struct clk tegra_clk_d = { - .name = "clk_d", - .flags = PERIPH_NO_RESET, - .ops = &tegra_clk_double_ops, - .reg = 0x34, +static struct clk *tegra_common_parents[] = { + &tegra_clk_m, +}; + +static struct clk tegra_clk_d; +static struct clk_tegra tegra_clk_d_hw = { + .hw = { + .clk = &tegra_clk_d, + }, + .flags = PERIPH_NO_RESET, + .reg = 0x34, .reg_shift = 12, - .parent = &tegra_clk_m, - .max_rate = 52000000, - .u.periph = { + .max_rate = 52000000, + .u.periph = { .clk_num = 90, }, }; -/* dap_mclk1, belongs to the cdev1 pingroup. */ -static struct clk tegra_clk_cdev1 = { - .name = "cdev1", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { +static struct clk tegra_clk_d = { + .name = "clk_d", + .hw = &tegra_clk_d_hw.hw, + .ops = &tegra_clk_double_ops, + .parent = &tegra_clk_m, + .parent_names = tegra_common_parent_names, + .parents = tegra_common_parents, + .num_parents = ARRAY_SIZE(tegra_common_parent_names), +}; + +static struct clk tegra_cdev1; +static struct clk_tegra tegra_cdev1_hw = { + .hw = { + .clk = &tegra_cdev1, + }, + .max_rate = 26000000, + .u.periph = { .clk_num = 94, }, }; +static struct clk tegra_cdev1 = { + .name = "cdev1", + .hw = &tegra_cdev1_hw.hw, + .rate = 26000000, + .ops = &tegra_cdev_clk_ops, + .flags = CLK_IS_ROOT, +}; /* dap_mclk2, belongs to the cdev2 pingroup. */ -static struct clk tegra_clk_cdev2 = { - .name = "cdev2", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 93, +static struct clk tegra_cdev2; +static struct clk_tegra tegra_cdev2_hw = { + .hw = { + .clk = &tegra_cdev2, + }, + .max_rate = 26000000, + .u.periph = { + .clk_num = 93, }, }; +static struct clk tegra_cdev2 = { + .name = "cdev2", + .hw = &tegra_cdev2_hw.hw, + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .flags = CLK_IS_ROOT, +}; /* initialized before peripheral clocks */ static struct clk_mux_sel mux_audio_sync_clk[8+1]; @@ -487,30 +445,66 @@ static const struct audio_sources { { NULL, 0 } }; -static struct clk tegra_clk_audio = { - .name = "audio", - .inputs = mux_audio_sync_clk, - .reg = 0x38, - .max_rate = 73728000, - .ops = &tegra_audio_sync_clk_ops +static const char *audio_parent_names[] = { + "spdif_in", + "i2s1", + "i2s2", + "dummy", + "pll_a_out0", + "dummy", + "dummy", + "dummy", }; -static struct clk tegra_clk_audio_2x = { - .name = "audio_2x", - .flags = PERIPH_NO_RESET, - .max_rate = 48000000, - .ops = &tegra_clk_double_ops, - .reg = 0x34, +static struct clk *audio_parents[] = { + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, +}; + +static struct clk tegra_audio; +static struct clk_tegra tegra_audio_hw = { + .hw = { + .clk = &tegra_audio, + }, + .reg = 0x38, + .max_rate = 73728000, +}; +DEFINE_CLK_TEGRA(audio, 0, &tegra_audio_sync_clk_ops, 0, audio_parent_names, + audio_parents, NULL); + +static const char *audio_2x_parent_names[] = { + "audio", +}; + +static struct clk *audio_2x_parents[] = { + &tegra_audio, +}; + +static struct clk tegra_audio_2x; +static struct clk_tegra tegra_audio_2x_hw = { + .hw = { + .clk = &tegra_audio_2x, + }, + .flags = PERIPH_NO_RESET, + .max_rate = 48000000, + .reg = 0x34, .reg_shift = 8, - .parent = &tegra_clk_audio, .u.periph = { .clk_num = 89, }, }; +DEFINE_CLK_TEGRA(audio_2x, 0, &tegra_clk_double_ops, 0, audio_2x_parent_names, + audio_2x_parents, &tegra_audio); static struct clk_lookup tegra_audio_clk_lookups[] = { - { .con_id = "audio", .clk = &tegra_clk_audio }, - { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } + { .con_id = "audio", .clk = &tegra_audio }, + { .con_id = "audio_2x", .clk = &tegra_audio_2x } }; /* This is called after peripheral clocks are initialized, as the @@ -529,315 +523,501 @@ static void init_audio_sync_clock_mux(void) if (!sel->input) pr_err("%s: could not find clk %s\n", __func__, src->name); + audio_parents[src->value] = sel->input; sel->value = src->value; } lookup = tegra_audio_clk_lookups; for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { - clk_init(lookup->clk); - clkdev_add(lookup); + struct clk *c = lookup->clk; + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + clk->lookup.con_id = lookup->con_id; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } } -static struct clk_mux_sel mux_cclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_clk_d, .value = 7}, - { .input = &tegra_pll_x, .value = 8}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - { .input = &tegra_clk_d, .value = 5}, - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { NULL, 0}, -}; - -static struct clk tegra_clk_cclk = { - .name = "cclk", - .inputs = mux_cclk, - .reg = 0x20, - .ops = &tegra_super_ops, +static const char *mux_cclk[] = { + "clk_m", + "pll_c", + "clk_32k", + "pll_m", + "pll_p", + "pll_p_out4", + "pll_p_out3", + "clk_d", + "pll_x", +}; + + +static struct clk *mux_cclk_p[] = { + &tegra_clk_m, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_pll_m, + &tegra_pll_p, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_clk_d, + &tegra_pll_x, +}; + +static const char *mux_sclk[] = { + "clk_m", + "pll_c_out1", + "pll_p_out4", + "pllp_p_out3", + "pll_p_out2", + "clk_d", + "clk_32k", + "pll_m_out1", +}; + +static struct clk *mux_sclk_p[] = { + &tegra_clk_m, + &tegra_pll_c_out1, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_pll_p_out2, + &tegra_clk_d, + &tegra_clk_32k, + &tegra_pll_m_out1, +}; + +static struct clk tegra_cclk; +static struct clk_tegra tegra_cclk_hw = { + .hw = { + .clk = &tegra_cclk, + }, + .reg = 0x20, .max_rate = 1000000000, }; +DEFINE_CLK_TEGRA(cclk, 0, &tegra_super_ops, 0, mux_cclk, + mux_cclk_p, NULL); -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, +static struct clk tegra_sclk; +static struct clk_tegra tegra_sclk_hw = { + .hw = { + .clk = &tegra_sclk, + }, + .reg = 0x28, .max_rate = 240000000, .min_rate = 120000000, }; +DEFINE_CLK_TEGRA(sclk, 0, &tegra_super_ops, 0, mux_sclk, + mux_sclk_p, NULL); -static struct clk tegra_clk_virtual_cpu = { - .name = "cpu", - .parent = &tegra_clk_cclk, - .ops = &tegra_cpu_ops, - .max_rate = 1000000000, - .u.cpu = { - .main = &tegra_pll_x, - .backup = &tegra_pll_p, - }, +static const char *tegra_cop_parent_names[] = { + "tegra_sclk", +}; + +static struct clk *tegra_cop_parents[] = { + &tegra_sclk, }; -static struct clk tegra_clk_cop = { - .name = "cop", - .parent = &tegra_clk_sclk, - .ops = &tegra_cop_ops, +static struct clk tegra_cop; +static struct clk_tegra tegra_cop_hw = { + .hw = { + .clk = &tegra_cop, + }, .max_rate = 240000000, + .reset = &tegra2_cop_clk_reset, +}; +DEFINE_CLK_TEGRA(cop, 0, &tegra_cop_ops, CLK_SET_RATE_PARENT, + tegra_cop_parent_names, tegra_cop_parents, &tegra_sclk); + +static const char *tegra_hclk_parent_names[] = { + "tegra_sclk", +}; + +static struct clk *tegra_hclk_parents[] = { + &tegra_sclk, +}; + +static struct clk tegra_hclk; +static struct clk_tegra tegra_hclk_hw = { + .hw = { + .clk = &tegra_hclk, + }, + .flags = DIV_BUS, + .reg = 0x30, + .reg_shift = 4, + .max_rate = 240000000, +}; +DEFINE_CLK_TEGRA(hclk, 0, &tegra_bus_ops, 0, tegra_hclk_parent_names, + tegra_hclk_parents, &tegra_sclk); + +static const char *tegra_pclk_parent_names[] = { + "tegra_hclk", +}; + +static struct clk *tegra_pclk_parents[] = { + &tegra_hclk, +}; + +static struct clk tegra_pclk; +static struct clk_tegra tegra_pclk_hw = { + .hw = { + .clk = &tegra_pclk, + }, + .flags = DIV_BUS, + .reg = 0x30, + .reg_shift = 0, + .max_rate = 120000000, +}; +DEFINE_CLK_TEGRA(pclk, 0, &tegra_bus_ops, 0, tegra_pclk_parent_names, + tegra_pclk_parents, &tegra_hclk); + +static const char *tegra_blink_parent_names[] = { + "ckl_32k", +}; + +static struct clk *tegra_blink_parents[] = { + &tegra_clk_32k, +}; + +static struct clk tegra_blink; +static struct clk_tegra tegra_blink_hw = { + .hw = { + .clk = &tegra_blink, + }, + .reg = 0x40, + .max_rate = 32768, +}; +DEFINE_CLK_TEGRA(blink, 0, &tegra_blink_clk_ops, 0, tegra_blink_parent_names, + tegra_blink_parents, &tegra_blink); + +static const char *mux_pllm_pllc_pllp_plla[] = { + "pll_m", + "pll_c", + "pll_p", + "pll_a_out0", +}; + +static struct clk *mux_pllm_pllc_pllp_plla_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_pll_a_out0, }; -static struct clk tegra_clk_hclk = { - .name = "hclk", - .flags = DIV_BUS, - .parent = &tegra_clk_sclk, - .reg = 0x30, - .reg_shift = 4, - .ops = &tegra_bus_ops, - .max_rate = 240000000, +static const char *mux_pllm_pllc_pllp_clkm[] = { + "pll_m", + "pll_c", + "pll_p", + "clk_m", }; -static struct clk tegra_clk_pclk = { - .name = "pclk", - .flags = DIV_BUS, - .parent = &tegra_clk_hclk, - .reg = 0x30, - .reg_shift = 0, - .ops = &tegra_bus_ops, - .max_rate = 120000000, +static struct clk *mux_pllm_pllc_pllp_clkm_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_clk_m, }; -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, +static const char *mux_pllp_pllc_pllm_clkm[] = { + "pll_p", + "pll_c", + "pll_m", + "clk_m", }; -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_pllm_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static const char *mux_pllaout0_audio2x_pllp_clkm[] = { + "pll_a_out0", + "audio_2x", + "pll_p", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllaout0_audio2x_pllp_clkm_p[] = { + &tegra_pll_a_out0, + &tegra_audio_2x, + &tegra_pll_p, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { - {.input = &tegra_pll_a_out0, .value = 0}, - {.input = &tegra_clk_audio_2x, .value = 1}, - {.input = &tegra_pll_p, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static const char *mux_pllp_plld_pllc_clkm[] = { + "pllp", + "pll_d_out0", + "pll_c", + "clk_m", }; -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, +static struct clk *mux_pllp_plld_pllc_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_d_out0, + &tegra_pll_c, + &tegra_clk_m, }; -static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_audio, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - {.input = &tegra_clk_32k, .value = 4}, - { NULL, 0}, +static const char *mux_pllp_pllc_audio_clkm_clk32[] = { + "pll_p", + "pll_c", + "audio", + "clk_m", + "clk_32k", }; -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_audio_clkm_clk32_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_audio, + &tegra_clk_m, + &tegra_clk_32k, }; -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { NULL, 0}, +static const char *mux_pllp_pllc_pllm[] = { + "pll_p", + "pll_c", + "pll_m" }; -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { NULL, 0}, +static struct clk *mux_pllp_pllc_pllm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, }; -static struct clk_mux_sel mux_plld[] = { - { .input = &tegra_pll_d, .value = 0}, - { NULL, 0}, +static const char *mux_clk_m[] = { + "clk_m", }; -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { NULL, 0}, +static struct clk *mux_clk_m_p[] = { + &tegra_clk_m, }; -static struct clk_mux_sel mux_pclk[] = { - { .input = &tegra_clk_pclk, .value = 0}, - { NULL, 0}, +static const char *mux_pllp_out3[] = { + "pll_p_out3", }; -static struct clk tegra_clk_emc = { - .name = "emc", - .ops = &tegra_emc_clk_ops, +static struct clk *mux_pllp_out3_p[] = { + &tegra_pll_p_out3, +}; + +static const char *mux_plld[] = { + "pll_d", +}; + +static struct clk *mux_plld_p[] = { + &tegra_pll_d, +}; + +static const char *mux_clk_32k[] = { + "clk_32k", +}; + +static struct clk *mux_clk_32k_p[] = { + &tegra_clk_32k, +}; + +static const char *mux_pclk[] = { + "pclk", +}; + +static struct clk *mux_pclk_p[] = { + &tegra_pclk, +}; + +static struct clk tegra_emc; +static struct clk_tegra tegra_emc_hw = { + .hw = { + .clk = &tegra_emc, + }, .reg = 0x19c, .max_rate = 800000000, - .inputs = mux_pllm_pllc_pllp_clkm, .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, + .reset = &tegra2_periph_clk_reset, .u.periph = { .clk_num = 57, }, }; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ +DEFINE_CLK_TEGRA(emc, 0, &tegra_emc_clk_ops, 0, mux_pllm_pllc_pllp_clkm, + mux_pllm_pllc_pllp_clkm_p, NULL); + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, \ + _max, _inputs, _flags) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ + .reg = _reg, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - } + .reset = &tegra2_periph_clk_reset, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_periph_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = _inputs, \ + .parents = _inputs##_p, \ + .num_parents = ARRAY_SIZE(_inputs), \ + }; + +PERIPH_CLK(apbdma, "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0); +PERIPH_CLK(rtc, "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET); +PERIPH_CLK(timer, "timer", NULL, 5, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(i2s1, "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(i2s2, "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(spdif_out, "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(spdif_in, "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71); +PERIPH_CLK(pwm, "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71); +PERIPH_CLK(spi, "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(xio, "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(twc, "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc1, "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc2, "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc3, "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sbc4, "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(ide, "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(ndflash, "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vfir, "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sdmmc1, "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc2, "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc3, "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc4, "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vcp, "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsea, "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsev, "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(vde, "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(csite, "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* max rate ??? */ +/* FIXME: what is la? */ +PERIPH_CLK(la, "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(owr, "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(nor, "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(mipi, "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(i2c1, "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c2, "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c3, "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(dvc, "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16); +PERIPH_CLK(i2c1_i2c, "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(i2c2_i2c, "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(i2c3_i2c, "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(dvc_i2c, "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(uarta, "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartb, "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartc, "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uartd, "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(uarte, "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX); +PERIPH_CLK(3d, "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET); /* scales with voltage and process_id */ +PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(vi, "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET); /* scales with voltage and process_id */ +PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71); /* scales with voltage and process_id */ +PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX); /* scales with voltage and process_id */ +PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX); /* scales with voltage and process_id */ +PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(dsi, "dsi", NULL, 48, 0, 500000000, mux_plld, 0); /* scales with voltage */ +PERIPH_CLK(csi, "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0); +PERIPH_CLK(isp, "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0); /* same frequency as VI */ +PERIPH_CLK(csus, "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET); +PERIPH_CLK(pex, NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); +PERIPH_CLK(afi, NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); +PERIPH_CLK(pcie_xclk, NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET); + +static struct clk *tegra_list_clks[] = { + &tegra_apbdma, + &tegra_rtc, + &tegra_timer, + &tegra_i2s1, + &tegra_i2s2, + &tegra_spdif_out, + &tegra_spdif_in, + &tegra_pwm, + &tegra_spi, + &tegra_xio, + &tegra_twc, + &tegra_sbc1, + &tegra_sbc2, + &tegra_sbc3, + &tegra_sbc4, + &tegra_ide, + &tegra_ndflash, + &tegra_vfir, + &tegra_sdmmc1, + &tegra_sdmmc2, + &tegra_sdmmc3, + &tegra_sdmmc4, + &tegra_vcp, + &tegra_bsea, + &tegra_bsev, + &tegra_vde, + &tegra_csite, + &tegra_la, + &tegra_owr, + &tegra_nor, + &tegra_mipi, + &tegra_i2c1, + &tegra_i2c2, + &tegra_i2c3, + &tegra_dvc, + &tegra_i2c1_i2c, + &tegra_i2c2_i2c, + &tegra_i2c3_i2c, + &tegra_dvc_i2c, + &tegra_uarta, + &tegra_uartb, + &tegra_uartc, + &tegra_uartd, + &tegra_uarte, + &tegra_3d, + &tegra_2d, + &tegra_vi, + &tegra_vi_sensor, + &tegra_epp, + &tegra_mpe, + &tegra_host1x, + &tegra_cve, + &tegra_tvo, + &tegra_hdmi, + &tegra_tvdac, + &tegra_disp1, + &tegra_disp2, + &tegra_usbd, + &tegra_usb2, + &tegra_usb3, + &tegra_dsi, + &tegra_csi, + &tegra_isp, + &tegra_csus, + &tegra_pex, + &tegra_afi, + &tegra_pcie_xclk, +}; -static struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - /* FIXME: what is la? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - - SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), - SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), - SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), - SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), - SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), - SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), - SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), - SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), - SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), - SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), - SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ } /* Some clocks may be used by different drivers depending on the board @@ -850,29 +1030,30 @@ static struct clk_duplicate tegra_clk_duplicates[] = { CLK_DUPLICATE("uartc", "serial8250.2", NULL), CLK_DUPLICATE("uartd", "serial8250.3", NULL), CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), - CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), - CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), - CLK_DUPLICATE("epp", "tegra_grhost", "epp"), - CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), - CLK_DUPLICATE("cop", "tegra-avp", "cop"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), + CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), + CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), + CLK_DUPLICATE("epp", "tegra_grhost", "epp"), + CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), + CLK_DUPLICATE("cop", "tegra-avp", "cop"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), + CLK_DUPLICATE("cclk", NULL, "cpu"), }; #define CLK(dev, con, ck) \ { \ - .dev_id = dev, \ - .con_id = con, \ - .clk = ck, \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ } static struct clk *tegra_ptr_clks[] = { @@ -895,27 +1076,28 @@ static struct clk *tegra_ptr_clks[] = { &tegra_pll_u, &tegra_pll_x, &tegra_pll_e, - &tegra_clk_cclk, - &tegra_clk_sclk, - &tegra_clk_hclk, - &tegra_clk_pclk, + &tegra_cclk, + &tegra_sclk, + &tegra_hclk, + &tegra_pclk, &tegra_clk_d, - &tegra_clk_cdev1, - &tegra_clk_cdev2, - &tegra_clk_virtual_cpu, - &tegra_clk_blink, - &tegra_clk_cop, - &tegra_clk_emc, + &tegra_cdev1, + &tegra_cdev2, + &tegra_blink, + &tegra_cop, + &tegra_emc, }; static void tegra2_init_one_clock(struct clk *c) { - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + if (!clk->lookup.dev_id && !clk->lookup.con_id) + clk->lookup.con_id = c->name; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } void __init tegra2_init_clocks(void) @@ -927,7 +1109,7 @@ void __init tegra2_init_clocks(void) tegra2_init_one_clock(tegra_ptr_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra2_init_one_clock(&tegra_list_clks[i]); + tegra2_init_one_clock(tegra_list_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); diff --git a/arch/arm/mach-tegra/tegra30_clocks.c b/arch/arm/mach-tegra/tegra30_clocks.c index 645ef69..1ffeee5 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.c +++ b/arch/arm/mach-tegra/tegra30_clocks.c @@ -381,14 +381,16 @@ static int tegra_periph_clk_enable_refcount[CLK_OUT_ENB_NUM * 32]; udelay(2); \ } while (0) - -static inline int clk_set_div(struct clk *c, u32 n) +static inline int clk_set_div(struct clk_tegra *c, u32 n) { - return clk_set_rate(c, (clk_get_rate(c->parent) + n-1) / n); + struct clk *clk = c->hw.clk; + + return clk_set_rate(clk, + (__clk_get_rate(__clk_get_parent(clk)) + n - 1) / n); } static inline u32 periph_clk_to_reg( - struct clk *c, u32 reg_L, u32 reg_V, int offs) + struct clk_tegra *c, u32 reg_L, u32 reg_V, int offs) { u32 reg = c->u.periph.clk_num / 32; BUG_ON(reg >= RST_DEVICES_NUM); @@ -470,15 +472,32 @@ static int clk_div16_get_divider(unsigned long parent_rate, unsigned long rate) return divider_u16 - 1; } +static unsigned long tegra30_clk_fixed_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + return to_clk_tegra(hw)->fixed_rate; +} + +struct clk_ops tegra_clk_32k_ops = { + .recalc_rate = tegra30_clk_fixed_recalc_rate, +}; + /* clk_m functions */ -static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c) +static unsigned long tegra30_clk_m_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + if (!to_clk_tegra(hw)->fixed_rate) + to_clk_tegra(hw)->fixed_rate = clk_measure_input_freq(); + return to_clk_tegra(hw)->fixed_rate; +} + +static void tegra30_clk_m_init(struct clk_hw *hw) { u32 osc_ctrl = clk_readl(OSC_CTRL); u32 auto_clock_control = osc_ctrl & ~OSC_CTRL_OSC_FREQ_MASK; u32 pll_ref_div = osc_ctrl & OSC_CTRL_PLL_REF_DIV_MASK; - c->rate = clk_measure_input_freq(); - switch (c->rate) { + switch (to_clk_tegra(hw)->fixed_rate) { case 12000000: auto_clock_control |= OSC_CTRL_OSC_FREQ_12MHZ; BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_1); @@ -508,46 +527,44 @@ static unsigned long tegra30_clk_m_autodetect_rate(struct clk *c) BUG_ON(pll_ref_div != OSC_CTRL_PLL_REF_DIV_4); break; default: - pr_err("%s: Unexpected clock rate %ld", __func__, c->rate); + pr_err("%s: Unexpected clock rate %ld", __func__, + to_clk_tegra(hw)->fixed_rate); BUG(); } clk_writel(auto_clock_control, OSC_CTRL); - return c->rate; } -static void tegra30_clk_m_init(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - tegra30_clk_m_autodetect_rate(c); -} +struct clk_ops tegra30_clk_m_ops = { + .init = tegra30_clk_m_init, + .recalc_rate = tegra30_clk_m_recalc_rate, +}; -static int tegra30_clk_m_enable(struct clk *c) +static unsigned long tegra_clk_m_div_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { - pr_debug("%s on clock %s\n", __func__, c->name); - return 0; -} + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; -static void tegra30_clk_m_disable(struct clk *c) -{ - pr_debug("%s on clock %s\n", __func__, c->name); - WARN(1, "Attempting to disable main SoC clock\n"); -} + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } -struct clk_ops tegra30_clk_m_ops = { - .init = tegra30_clk_m_init, - .enable = tegra30_clk_m_enable, - .disable = tegra30_clk_m_disable, -}; + return rate; +} struct clk_ops tegra_clk_m_div_ops = { - .enable = tegra30_clk_m_enable, + .recalc_rate = tegra_clk_m_div_recalc_rate, }; /* PLL reference divider functions */ -static void tegra30_pll_ref_init(struct clk *c) +static unsigned long tegra30_pll_ref_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = parent_rate; u32 pll_ref_div = clk_readl(OSC_CTRL) & OSC_CTRL_PLL_REF_DIV_MASK; - pr_debug("%s on clock %s\n", __func__, c->name); switch (pll_ref_div) { case OSC_CTRL_PLL_REF_DIV_1: @@ -564,13 +581,18 @@ static void tegra30_pll_ref_init(struct clk *c) BUG(); } c->mul = 1; - c->state = ON; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } struct clk_ops tegra_pll_ref_ops = { - .init = tegra30_pll_ref_init, - .enable = tegra30_clk_m_enable, - .disable = tegra30_clk_m_disable, + .recalc_rate = tegra30_pll_ref_recalc_rate, }; /* super clock functions */ @@ -581,56 +603,50 @@ struct clk_ops tegra_pll_ref_ops = { * only when its parent is a fixed rate PLL, since we can't change PLL rate * in this case. */ -static void tegra30_super_clk_init(struct clk *c) +static void tegra30_super_clk_init(struct clk_hw *hw) { - u32 val; - int source; - int shift; - const struct clk_mux_sel *sel; - val = clk_readl(c->reg + SUPER_CLK_MUX); - c->state = ON; - BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && - ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); - shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? - SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - source = (val >> shift) & SUPER_SOURCE_MASK; - if (c->flags & DIV_2) - source |= val & SUPER_LP_DIV2_BYPASS; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->value == source) - break; - } - BUG_ON(sel->input == NULL); - c->parent = sel->input; + struct clk_tegra *c = to_clk_tegra(hw); + struct clk_tegra *p = + to_clk_tegra(__clk_get_hw(__clk_get_parent(hw->clk))); + c->state = ON; if (c->flags & DIV_U71) { /* Init safe 7.1 divider value (does not affect PLLX path) */ clk_writel(SUPER_CLOCK_DIV_U71_MIN << SUPER_CLOCK_DIV_U71_SHIFT, c->reg + SUPER_CLK_DIVIDER); c->mul = 2; c->div = 2; - if (!(c->parent->flags & PLLX)) + if (!(p->flags & PLLX)) c->div += SUPER_CLOCK_DIV_U71_MIN; } else clk_writel(0, c->reg + SUPER_CLK_DIVIDER); } -static int tegra30_super_clk_enable(struct clk *c) +static u8 tegra30_super_clk_get_parent(struct clk_hw *hw) { - return 0; -} + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; + int source; + int shift; -static void tegra30_super_clk_disable(struct clk *c) -{ - /* since tegra 3 has 2 CPU super clocks - low power lp-mode clock and - geared up g-mode super clock - mode switch may request to disable - either of them; accept request with no affect on h/w */ + val = clk_readl(c->reg + SUPER_CLK_MUX); + BUG_ON(((val & SUPER_STATE_MASK) != SUPER_STATE_RUN) && + ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); + shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? + SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; + source = (val >> shift) & SUPER_SOURCE_MASK; + if (c->flags & DIV_2) + source |= val & SUPER_LP_DIV2_BYPASS; + + return source; } -static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_super_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); + struct clk_tegra *p = + to_clk_tegra(__clk_get_hw(clk_get_parent(hw->clk))); u32 val; - const struct clk_mux_sel *sel; int shift; val = clk_readl(c->reg + SUPER_CLK_MUX); @@ -638,48 +654,36 @@ static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) ((val & SUPER_STATE_MASK) != SUPER_STATE_IDLE)); shift = ((val & SUPER_STATE_MASK) == SUPER_STATE_IDLE) ? SUPER_IDLE_SOURCE_SHIFT : SUPER_RUN_SOURCE_SHIFT; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - /* For LP mode super-clock switch between PLLX direct - and divided-by-2 outputs is allowed only when other - than PLLX clock source is current parent */ - if ((c->flags & DIV_2) && (p->flags & PLLX) && - ((sel->value ^ val) & SUPER_LP_DIV2_BYPASS)) { - if (c->parent->flags & PLLX) - return -EINVAL; - val ^= SUPER_LP_DIV2_BYPASS; - clk_writel_delay(val, c->reg); - } - val &= ~(SUPER_SOURCE_MASK << shift); - val |= (sel->value & SUPER_SOURCE_MASK) << shift; - - /* 7.1 divider for CPU super-clock does not affect - PLLX path */ - if (c->flags & DIV_U71) { - u32 div = 0; - if (!(p->flags & PLLX)) { - div = clk_readl(c->reg + - SUPER_CLK_DIVIDER); - div &= SUPER_CLOCK_DIV_U71_MASK; - div >>= SUPER_CLOCK_DIV_U71_SHIFT; - } - c->div = div + 2; - c->mul = 2; - } - if (c->refcnt) - clk_enable(p); - - clk_writel_delay(val, c->reg); - - if (c->refcnt && c->parent) - clk_disable(c->parent); + /* For LP mode super-clock switch between PLLX direct + and divided-by-2 outputs is allowed only when other + than PLLX clock source is current parent */ + if ((c->flags & DIV_2) && (p->flags & PLLX) && + ((index ^ val) & SUPER_LP_DIV2_BYPASS)) { + if (p->flags & PLLX) + return -EINVAL; + val ^= SUPER_LP_DIV2_BYPASS; + clk_writel_delay(val, c->reg); + } + val &= ~(SUPER_SOURCE_MASK << shift); + val |= (index & SUPER_SOURCE_MASK) << shift; - clk_reparent(c, p); - return 0; + /* 7.1 divider for CPU super-clock does not affect + PLLX path */ + if (c->flags & DIV_U71) { + u32 div = 0; + if (!(p->flags & PLLX)) { + div = clk_readl(c->reg + + SUPER_CLK_DIVIDER); + div &= SUPER_CLOCK_DIV_U71_MASK; + div >>= SUPER_CLOCK_DIV_U71_SHIFT; } + c->div = div + 2; + c->mul = 2; } - return -EINVAL; + clk_writel_delay(val, c->reg); + + return 0; } /* @@ -691,10 +695,15 @@ static int tegra30_super_clk_set_parent(struct clk *c, struct clk *p) * rate of this PLL can't be changed, and it has many other children. In * this case use 7.1 fractional divider to adjust the super clock rate. */ -static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_super_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - if ((c->flags & DIV_U71) && (c->parent->flags & PLL_FIXED)) { - int div = clk_div71_get_divider(c->parent->u.pll.fixed_rate, + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); + struct clk_tegra *cparent = to_clk_tegra(__clk_get_hw(parent)); + + if ((c->flags & DIV_U71) && (cparent->flags & PLL_FIXED)) { + int div = clk_div71_get_divider(parent_rate, rate, c->flags, ROUND_DIVIDER_DOWN); div = max(div, SUPER_CLOCK_DIV_U71_MIN); @@ -704,55 +713,86 @@ static int tegra30_super_clk_set_rate(struct clk *c, unsigned long rate) c->mul = 2; return 0; } - return clk_set_rate(c->parent, rate); + return 0; +} + +static unsigned long tegra30_super_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_super_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); + struct clk_tegra *cparent = to_clk_tegra(__clk_get_hw(parent)); + int mul = 2; + int div; + + if ((c->flags & DIV_U71) && (cparent->flags & PLL_FIXED)) { + div = clk_div71_get_divider(*prate, + rate, c->flags, ROUND_DIVIDER_DOWN); + div = max(div, SUPER_CLOCK_DIV_U71_MIN) + 2; + rate = *prate * mul; + rate += div - 1; /* round up */ + do_div(rate, c->div); + + return rate; + } + return *prate; } struct clk_ops tegra30_super_ops = { .init = tegra30_super_clk_init, - .enable = tegra30_super_clk_enable, - .disable = tegra30_super_clk_disable, .set_parent = tegra30_super_clk_set_parent, + .get_parent = tegra30_super_clk_get_parent, + .recalc_rate = tegra30_super_clk_recalc_rate, + .round_rate = tegra30_super_clk_round_rate, .set_rate = tegra30_super_clk_set_rate, }; -static int tegra30_twd_clk_set_rate(struct clk *c, unsigned long rate) +static unsigned long tegra30_twd_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) { - /* The input value 'rate' is the clock rate of the CPU complex. */ - c->rate = (rate * c->mul) / c->div; - return 0; + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; } struct clk_ops tegra30_twd_ops = { - .set_rate = tegra30_twd_clk_set_rate, + .recalc_rate = tegra30_twd_clk_recalc_rate, }; /* Blink output functions */ - -static void tegra30_blink_clk_init(struct clk *c) +static int tegra30_blink_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; val = pmc_readl(PMC_CTRL); c->state = (val & PMC_CTRL_BLINK_ENB) ? ON : OFF; - c->mul = 1; - val = pmc_readl(c->reg); - - if (val & PMC_BLINK_TIMER_ENB) { - unsigned int on_off; - - on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & - PMC_BLINK_TIMER_DATA_ON_MASK; - val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; - val &= PMC_BLINK_TIMER_DATA_OFF_MASK; - on_off += val; - /* each tick in the blink timer is 4 32KHz clocks */ - c->div = on_off * 4; - } else { - c->div = 1; - } + return c->state; } -static int tegra30_blink_clk_enable(struct clk *c) +static int tegra30_blink_clk_enable(struct clk_hw *hw) { u32 val; @@ -765,7 +805,7 @@ static int tegra30_blink_clk_enable(struct clk *c) return 0; } -static void tegra30_blink_clk_disable(struct clk *c) +static void tegra30_blink_clk_disable(struct clk_hw *hw) { u32 val; @@ -776,9 +816,11 @@ static void tegra30_blink_clk_disable(struct clk *c) pmc_writel(val & ~PMC_DPD_PADS_ORIDE_BLINK_ENB, PMC_DPD_PADS_ORIDE); } -static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_blink_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { - unsigned long parent_rate = clk_get_rate(c->parent); + struct clk_tegra *c = to_clk_tegra(hw); + if (rate >= parent_rate) { c->div = 1; pmc_writel(0, c->reg); @@ -801,40 +843,77 @@ static int tegra30_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -struct clk_ops tegra30_blink_clk_ops = { - .init = &tegra30_blink_clk_init, - .enable = &tegra30_blink_clk_enable, - .disable = &tegra30_blink_clk_disable, - .set_rate = &tegra30_blink_clk_set_rate, -}; +static unsigned long tegra30_blink_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val; + u32 mul; + u32 div; + u32 on_off; -/* PLL Functions */ -static int tegra30_pll_clk_wait_for_lock(struct clk *c, u32 lock_reg, - u32 lock_bit) + mul = 1; + val = pmc_readl(c->reg); + + if (val & PMC_BLINK_TIMER_ENB) { + on_off = (val >> PMC_BLINK_TIMER_DATA_ON_SHIFT) & + PMC_BLINK_TIMER_DATA_ON_MASK; + val >>= PMC_BLINK_TIMER_DATA_OFF_SHIFT; + val &= PMC_BLINK_TIMER_DATA_OFF_MASK; + on_off += val; + /* each tick in the blink timer is 4 32KHz clocks */ + div = on_off * 4; + } else { + div = 1; + } + + if (mul != 0 && div != 0) { + rate *= mul; + rate += div - 1; /* round up */ + do_div(rate, div); + } + return rate; +} + +static long tegra30_blink_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { -#if USE_PLL_LOCK_BITS - int i; - for (i = 0; i < c->u.pll.lock_delay; i++) { - if (clk_readl(lock_reg) & lock_bit) { - udelay(PLL_POST_LOCK_DELAY); - return 0; - } - udelay(2); /* timeout = 2 * lock time */ + int div; + int mul; + long round_rate = *prate; + + mul = 1; + + if (rate >= *prate) { + div = 1; + } else { + div = DIV_ROUND_UP(*prate / 8, rate); + div *= 8; } - pr_err("Timed out waiting for lock bit on pll %s", c->name); - return -1; -#endif - udelay(c->u.pll.lock_delay); - return 0; + round_rate *= mul; + round_rate += div - 1; + do_div(round_rate, div); + + return round_rate; } -static void tegra30_utmi_param_configure(struct clk *c) +struct clk_ops tegra30_blink_clk_ops = { + .is_enabled = &tegra30_blink_clk_is_enabled, + .enable = &tegra30_blink_clk_enable, + .disable = &tegra30_blink_clk_disable, + .recalc_rate = &tegra30_blink_clk_recalc_rate, + .round_rate = &tegra30_blink_clk_round_rate, + .set_rate = &tegra30_blink_clk_set_rate, +}; + +static void tegra30_utmi_param_configure(struct clk_hw *hw) { + unsigned long main_rate = + __clk_get_rate(__clk_get_parent(__clk_get_parent(hw->clk))); u32 reg; int i; - unsigned long main_rate = - clk_get_rate(c->parent->parent); for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) { if (main_rate == utmi_parameters[i].osc_frequency) @@ -885,50 +964,52 @@ static void tegra30_utmi_param_configure(struct clk *c) clk_writel(reg, UTMIP_PLL_CFG1); } -static void tegra30_pll_clk_init(struct clk *c) +/* PLL Functions */ +static int tegra30_pll_clk_wait_for_lock(struct clk_tegra *c, u32 lock_reg, + u32 lock_bit) +{ + int ret = 0; + +#if USE_PLL_LOCK_BITS + int i; + for (i = 0; i < c->u.pll.lock_delay; i++) { + if (clk_readl(lock_reg) & lock_bit) { + udelay(PLL_POST_LOCK_DELAY); + return 0; + } + udelay(2); /* timeout = 2 * lock time */ + } + pr_err("Timed out waiting for lock bit on pll %s", + __clk_get_name(hw->clk)); + ret = -1; +#else + udelay(c->u.pll.lock_delay); +#endif + return ret; +} + +static int tegra30_pll_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLL_BASE_ENABLE) ? ON : OFF; + return c->state; +} - if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { - const struct clk_pll_freq_table *sel; - unsigned long input_rate = clk_get_rate(c->parent); - for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { - if (sel->input_rate == input_rate && - sel->output_rate == c->u.pll.fixed_rate) { - c->mul = sel->n; - c->div = sel->m * sel->p; - return; - } - } - pr_err("Clock %s has unknown fixed frequency\n", c->name); - BUG(); - } else if (val & PLL_BASE_BYPASS) { - c->mul = 1; - c->div = 1; - } else { - c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT; - c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT; - if (c->flags & PLLU) - c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2; - else - c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >> - PLL_BASE_DIVP_SHIFT)); - if (c->flags & PLL_FIXED) { - unsigned long rate = clk_get_rate_locked(c); - BUG_ON(rate != c->u.pll.fixed_rate); - } - } +static void tegra30_pll_clk_init(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); if (c->flags & PLLU) - tegra30_utmi_param_configure(c); + tegra30_utmi_param_configure(hw); } -static int tegra30_pll_clk_enable(struct clk *c) +static int tegra30_pll_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); #if USE_PLL_LOCK_BITS val = clk_readl(c->reg + PLL_MISC(c)); @@ -951,10 +1032,11 @@ static int tegra30_pll_clk_enable(struct clk *c) return 0; } -static void tegra30_pll_clk_disable(struct clk *c) +static void tegra30_pll_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); + pr_debug("%s on clock %s\n", __func__, __clk_get_name(hw->clk)); val = clk_readl(c->reg); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); @@ -967,36 +1049,36 @@ static void tegra30_pll_clk_disable(struct clk *c) } } -static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_pll_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val, p_div, old_base; unsigned long input_rate; const struct clk_pll_freq_table *sel; struct clk_pll_freq_table cfg; - pr_debug("%s: %s %lu\n", __func__, c->name, rate); - if (c->flags & PLL_FIXED) { int ret = 0; if (rate != c->u.pll.fixed_rate) { pr_err("%s: Can not change %s fixed rate %lu to %lu\n", - __func__, c->name, c->u.pll.fixed_rate, rate); + __func__, __clk_get_name(hw->clk), + c->u.pll.fixed_rate, rate); ret = -EINVAL; } return ret; } if (c->flags & PLLM) { - if (rate != clk_get_rate_locked(c)) { + if (rate != __clk_get_rate(hw->clk)) { pr_err("%s: Can not change memory %s rate in flight\n", - __func__, c->name); + __func__, __clk_get_name(hw->clk)); return -EINVAL; } - return 0; } p_div = 0; - input_rate = clk_get_rate(c->parent); + input_rate = parent_rate; /* Check if the target rate is tabulated */ for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { @@ -1054,7 +1136,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) (p_div > (PLL_BASE_DIVP_MASK >> PLL_BASE_DIVP_SHIFT)) || (cfg.output_rate > c->u.pll.vco_max)) { pr_err("%s: Failed to set %s out-of-table rate %lu\n", - __func__, c->name, rate); + __func__, __clk_get_name(hw->clk), rate); return -EINVAL; } p_div <<= PLL_BASE_DIVP_SHIFT; @@ -1072,7 +1154,7 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) return 0; if (c->state == ON) { - tegra30_pll_clk_disable(c); + tegra30_pll_clk_disable(hw); val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); } clk_writel(val, c->reg + PLL_BASE); @@ -1094,87 +1176,201 @@ static int tegra30_pll_clk_set_rate(struct clk *c, unsigned long rate) } if (c->state == ON) - tegra30_pll_clk_enable(c); + tegra30_pll_clk_enable(hw); + + c->u.pll.fixed_rate = rate; return 0; } -struct clk_ops tegra30_pll_ops = { - .init = tegra30_pll_clk_init, - .enable = tegra30_pll_clk_enable, - .disable = tegra30_pll_clk_disable, - .set_rate = tegra30_pll_clk_set_rate, -}; - -static int -tegra30_plld_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +static long tegra30_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { - u32 val, mask, reg; + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long input_rate = *prate; + unsigned long output_rate = *prate; + const struct clk_pll_freq_table *sel; + struct clk_pll_freq_table cfg; + int mul; + int div; + u32 p_div; + u32 val; - switch (p) { - case TEGRA_CLK_PLLD_CSI_OUT_ENB: - mask = PLLD_BASE_CSI_CLKENABLE; - reg = c->reg + PLL_BASE; - break; - case TEGRA_CLK_PLLD_DSI_OUT_ENB: - mask = PLLD_MISC_DSI_CLKENABLE; - reg = c->reg + PLL_MISC(c); - break; - case TEGRA_CLK_PLLD_MIPI_MUX_SEL: - if (!(c->flags & PLL_ALT_MISC_REG)) { - mask = PLLD_BASE_DSIB_MUX_MASK; - reg = c->reg + PLL_BASE; + if (c->flags & PLL_FIXED) + return c->u.pll.fixed_rate; + + if (c->flags & PLLM) + return __clk_get_rate(hw->clk); + + p_div = 0; + /* Check if the target rate is tabulated */ + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == input_rate && sel->output_rate == rate) { + if (c->flags & PLLU) { + BUG_ON(sel->p < 1 || sel->p > 2); + if (sel->p == 1) + p_div = PLLU_BASE_POST_DIV; + } else { + BUG_ON(sel->p < 1); + for (val = sel->p; val > 1; val >>= 1) + p_div++; + p_div <<= PLL_BASE_DIVP_SHIFT; + } break; } - /* fall through - error since PLLD2 does not have MUX_SEL control */ - default: - return -EINVAL; } - val = clk_readl(reg); - if (setting) - val |= mask; - else - val &= ~mask; - clk_writel(val, reg); - return 0; -} + if (sel->input_rate == 0) { + unsigned long cfreq; + BUG_ON(c->flags & PLLU); + sel = &cfg; -struct clk_ops tegra_plld_ops = { - .init = tegra30_pll_clk_init, - .enable = tegra30_pll_clk_enable, - .disable = tegra30_pll_clk_disable, + switch (input_rate) { + case 12000000: + case 26000000: + cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2000000; + break; + case 13000000: + cfreq = (rate <= 1000000 * 1000) ? 1000000 : 2600000; + break; + case 16800000: + case 19200000: + cfreq = (rate <= 1200000 * 1000) ? 1200000 : 2400000; + break; + default: + pr_err("%s: Unexpected reference rate %lu\n", + __func__, input_rate); + BUG(); + } + + /* Raise VCO to guarantee 0.5% accuracy */ + for (cfg.output_rate = rate; cfg.output_rate < 200 * cfreq; + cfg.output_rate <<= 1) + p_div++; + + cfg.p = 0x1 << p_div; + cfg.m = input_rate / cfreq; + cfg.n = cfg.output_rate / cfreq; + } + + mul = sel->n; + div = sel->m * sel->p; + + output_rate *= mul; + output_rate += div - 1; /* round up */ + do_div(output_rate, div); + + return output_rate; +} + +static unsigned long tegra30_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val = clk_readl(c->reg + PLL_BASE); + + if (c->flags & PLL_FIXED && !(val & PLL_BASE_OVERRIDE)) { + const struct clk_pll_freq_table *sel; + for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { + if (sel->input_rate == parent_rate && + sel->output_rate == c->u.pll.fixed_rate) { + c->mul = sel->n; + c->div = sel->m * sel->p; + break; + } + } + pr_err("Clock %s has unknown fixed frequency\n", + __clk_get_name(hw->clk)); + BUG(); + } else if (val & PLL_BASE_BYPASS) { + c->mul = 1; + c->div = 1; + } else { + c->mul = (val & PLL_BASE_DIVN_MASK) >> PLL_BASE_DIVN_SHIFT; + c->div = (val & PLL_BASE_DIVM_MASK) >> PLL_BASE_DIVM_SHIFT; + if (c->flags & PLLU) + c->div *= (val & PLLU_BASE_POST_DIV) ? 1 : 2; + else + c->div *= (0x1 << ((val & PLL_BASE_DIVP_MASK) >> + PLL_BASE_DIVP_SHIFT)); + } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +struct clk_ops tegra30_pll_ops = { + .is_enabled = tegra30_pll_clk_is_enabled, + .init = tegra30_pll_clk_init, + .enable = tegra30_pll_clk_enable, + .disable = tegra30_pll_clk_disable, + .recalc_rate = tegra30_pll_recalc_rate, + .round_rate = tegra30_pll_round_rate, .set_rate = tegra30_pll_clk_set_rate, - .clk_cfg_ex = tegra30_plld_clk_cfg_ex, }; -static void tegra30_plle_clk_init(struct clk *c) +int tegra30_plld_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); + u32 val, mask, reg; + + switch (p) { + case TEGRA_CLK_PLLD_CSI_OUT_ENB: + mask = PLLD_BASE_CSI_CLKENABLE; + reg = c->reg + PLL_BASE; + break; + case TEGRA_CLK_PLLD_DSI_OUT_ENB: + mask = PLLD_MISC_DSI_CLKENABLE; + reg = c->reg + PLL_MISC(c); + break; + case TEGRA_CLK_PLLD_MIPI_MUX_SEL: + if (!(c->flags & PLL_ALT_MISC_REG)) { + mask = PLLD_BASE_DSIB_MUX_MASK; + reg = c->reg + PLL_BASE; + break; + } + /* fall through - error since PLLD2 does not have MUX_SEL control */ + default: + return -EINVAL; + } + + val = clk_readl(reg); + if (setting) + val |= mask; + else + val &= ~mask; + clk_writel(val, reg); + return 0; +} - val = clk_readl(PLLE_AUX); - c->parent = (val & PLLE_AUX_PLLP_SEL) ? - tegra_get_clock_by_name("pll_p") : - tegra_get_clock_by_name("pll_ref"); +static int tegra30_plle_clk_is_enabled(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val; val = clk_readl(c->reg + PLL_BASE); c->state = (val & PLLE_BASE_ENABLE) ? ON : OFF; - c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT; - c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT; - c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT; + return c->state; } -static void tegra30_plle_clk_disable(struct clk *c) +static void tegra30_plle_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - pr_debug("%s on clock %s\n", __func__, c->name); val = clk_readl(c->reg + PLL_BASE); val &= ~(PLLE_BASE_CML_ENABLE | PLLE_BASE_ENABLE); clk_writel(val, c->reg + PLL_BASE); } -static void tegra30_plle_training(struct clk *c) +static void tegra30_plle_training(struct clk_tegra *c) { u32 val; @@ -1197,12 +1393,15 @@ static void tegra30_plle_training(struct clk *c) } while (!(val & PLLE_MISC_READY)); } -static int tegra30_plle_configure(struct clk *c, bool force_training) +static int tegra30_plle_configure(struct clk_hw *hw, bool force_training) { - u32 val; + struct clk_tegra *c = to_clk_tegra(hw); + struct clk *parent = __clk_get_parent(hw->clk); const struct clk_pll_freq_table *sel; + u32 val; + unsigned long rate = c->u.pll.fixed_rate; - unsigned long input_rate = clk_get_rate(c->parent); + unsigned long input_rate = __clk_get_rate(parent); for (sel = c->u.pll.freq_table; sel->input_rate != 0; sel++) { if (sel->input_rate == input_rate && sel->output_rate == rate) @@ -1213,7 +1412,7 @@ static int tegra30_plle_configure(struct clk *c, bool force_training) return -ENOSYS; /* disable PLLE, clear setup fiels */ - tegra30_plle_clk_disable(c); + tegra30_plle_clk_disable(hw); val = clk_readl(c->reg + PLL_MISC(c)); val &= ~(PLLE_MISC_LOCK_ENABLE | PLLE_MISC_SETUP_MASK); @@ -1251,52 +1450,64 @@ static int tegra30_plle_configure(struct clk *c, bool force_training) return 0; } -static int tegra30_plle_clk_enable(struct clk *c) +static int tegra30_plle_clk_enable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); - return tegra30_plle_configure(c, !c->set); + struct clk_tegra *c = to_clk_tegra(hw); + + return tegra30_plle_configure(hw, !c->set); +} + +static unsigned long tegra30_plle_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long rate = parent_rate; + u32 val; + + val = clk_readl(c->reg + PLL_BASE); + c->mul = (val & PLLE_BASE_DIVN_MASK) >> PLLE_BASE_DIVN_SHIFT; + c->div = (val & PLLE_BASE_DIVM_MASK) >> PLLE_BASE_DIVM_SHIFT; + c->div *= (val & PLLE_BASE_DIVP_MASK) >> PLLE_BASE_DIVP_SHIFT; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; } struct clk_ops tegra30_plle_ops = { - .init = tegra30_plle_clk_init, + .is_enabled = tegra30_plle_clk_is_enabled, .enable = tegra30_plle_clk_enable, .disable = tegra30_plle_clk_disable, + .recalc_rate = tegra30_plle_clk_recalc_rate, }; /* Clock divider ops */ -static void tegra30_pll_div_clk_init(struct clk *c) +static int tegra30_pll_div_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + if (c->flags & DIV_U71) { - u32 divu71; u32 val = clk_readl(c->reg); val >>= c->reg_shift; c->state = (val & PLL_OUT_CLKEN) ? ON : OFF; if (!(val & PLL_OUT_RESET_DISABLE)) c->state = OFF; - - divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; - c->div = (divu71 + 2); - c->mul = 2; - } else if (c->flags & DIV_2) { - c->state = ON; - if (c->flags & (PLLD | PLLX)) { - c->div = 2; - c->mul = 1; - } else - BUG(); } else { c->state = ON; - c->div = 1; - c->mul = 1; } + return c->state; } -static int tegra30_pll_div_clk_enable(struct clk *c) +static int tegra30_pll_div_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; - pr_debug("%s: %s\n", __func__, c->name); + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); if (c->flags & DIV_U71) { val = clk_readl(c->reg); new_val = val >> c->reg_shift; @@ -1314,12 +1525,13 @@ static int tegra30_pll_div_clk_enable(struct clk *c) return -EINVAL; } -static void tegra30_pll_div_clk_disable(struct clk *c) +static void tegra30_pll_div_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; - pr_debug("%s: %s\n", __func__, c->name); + pr_debug("%s: %s\n", __func__, __clk_get_name(hw->clk)); if (c->flags & DIV_U71) { val = clk_readl(c->reg); new_val = val >> c->reg_shift; @@ -1333,14 +1545,14 @@ static void tegra30_pll_div_clk_disable(struct clk *c) } } -static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_pll_div_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; u32 new_val; int divider_u71; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); if (c->flags & DIV_U71) { divider_u71 = clk_div71_get_divider( parent_rate, rate, c->flags, ROUND_DIVIDER_UP); @@ -1358,19 +1570,59 @@ static int tegra30_pll_div_clk_set_rate(struct clk *c, unsigned long rate) clk_writel_delay(val, c->reg); c->div = divider_u71 + 2; c->mul = 2; + c->fixed_rate = rate; return 0; } - } else if (c->flags & DIV_2) - return clk_set_rate(c->parent, rate * 2); + } else if (c->flags & DIV_2) { + c->fixed_rate = rate; + return 0; + } return -EINVAL; } -static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) +static unsigned long tegra30_pll_div_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + if (c->flags & DIV_U71) { + u32 divu71; + u32 val = clk_readl(c->reg); + val >>= c->reg_shift; + + divu71 = (val & PLL_OUT_RATIO_MASK) >> PLL_OUT_RATIO_SHIFT; + c->div = (divu71 + 2); + c->mul = 2; + } else if (c->flags & DIV_2) { + if (c->flags & (PLLD | PLLX)) { + c->div = 2; + c->mul = 1; + } else + BUG(); + } else { + c->div = 1; + c->mul = 1; + } + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_pll_div_clk_round_rate(struct clk_hw *hw, + unsigned long rate, unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1378,23 +1630,25 @@ static long tegra30_pll_div_clk_round_rate(struct clk *c, unsigned long rate) if (divider < 0) return divider; return DIV_ROUND_UP(parent_rate * 2, divider + 2); - } else if (c->flags & DIV_2) - /* no rounding - fixed DIV_2 dividers pass rate to parent PLL */ + } else if (c->flags & DIV_2) { + *prate = rate * 2; return rate; + } return -EINVAL; } struct clk_ops tegra30_pll_div_ops = { - .init = tegra30_pll_div_clk_init, + .is_enabled = tegra30_pll_div_clk_is_enabled, .enable = tegra30_pll_div_clk_enable, .disable = tegra30_pll_div_clk_disable, .set_rate = tegra30_pll_div_clk_set_rate, + .recalc_rate = tegra30_pll_div_clk_recalc_rate, .round_rate = tegra30_pll_div_clk_round_rate, }; /* Periph clk ops */ -static inline u32 periph_clk_source_mask(struct clk *c) +static inline u32 periph_clk_source_mask(struct clk_tegra *c) { if (c->flags & MUX8) return 7 << 29; @@ -1408,7 +1662,7 @@ static inline u32 periph_clk_source_mask(struct clk *c) return 3 << 30; } -static inline u32 periph_clk_source_shift(struct clk *c) +static inline u32 periph_clk_source_shift(struct clk_tegra *c) { if (c->flags & MUX8) return 29; @@ -1422,47 +1676,9 @@ static inline u32 periph_clk_source_shift(struct clk *c) return 30; } -static void tegra30_periph_clk_init(struct clk *c) +static int tegra30_periph_clk_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - const struct clk_mux_sel *mux = 0; - const struct clk_mux_sel *sel; - if (c->flags & MUX) { - for (sel = c->inputs; sel->input != NULL; sel++) { - if (((val & periph_clk_source_mask(c)) >> - periph_clk_source_shift(c)) == sel->value) - mux = sel; - } - BUG_ON(!mux); - - c->parent = mux->input; - } else { - c->parent = c->inputs[0].input; - } - - if (c->flags & DIV_U71) { - u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; - if ((c->flags & DIV_U71_UART) && - (!(val & PERIPH_CLK_UART_DIV_ENB))) { - divu71 = 0; - } - if (c->flags & DIV_U71_IDLE) { - val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK << - PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); - val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL << - PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); - clk_writel(val, c->reg); - } - c->div = divu71 + 2; - c->mul = 2; - } else if (c->flags & DIV_U16) { - u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; - c->div = divu16 + 1; - c->mul = 1; - } else { - c->div = 1; - c->mul = 1; - } + struct clk_tegra *c = to_clk_tegra(hw); c->state = ON; if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) @@ -1470,11 +1686,12 @@ static void tegra30_periph_clk_init(struct clk *c) if (!(c->flags & PERIPH_NO_RESET)) if (clk_readl(PERIPH_CLK_TO_RST_REG(c)) & PERIPH_CLK_TO_BIT(c)) c->state = OFF; + return c->state; } -static int tegra30_periph_clk_enable(struct clk *c) +static int tegra30_periph_clk_enable(struct clk_hw *hw) { - pr_debug("%s on clock %s\n", __func__, c->name); + struct clk_tegra *c = to_clk_tegra(hw); tegra_periph_clk_enable_refcount[c->u.periph.clk_num]++; if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] > 1) @@ -1493,13 +1710,12 @@ static int tegra30_periph_clk_enable(struct clk *c) return 0; } -static void tegra30_periph_clk_disable(struct clk *c) +static void tegra30_periph_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long val; - pr_debug("%s on clock %s\n", __func__, c->name); - if (c->refcnt) - tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; + tegra_periph_clk_enable_refcount[c->u.periph.clk_num]--; if (tegra_periph_clk_enable_refcount[c->u.periph.clk_num] == 0) { /* If peripheral is in the APB bus then read the APB bus to @@ -1513,11 +1729,10 @@ static void tegra30_periph_clk_disable(struct clk *c) } } -static void tegra30_periph_clk_reset(struct clk *c, bool assert) +void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert) { + struct clk_tegra *c = to_clk_tegra(hw); unsigned long val; - pr_debug("%s %s on clock %s\n", __func__, - assert ? "assert" : "deassert", c->name); if (!(c->flags & PERIPH_NO_RESET)) { if (assert) { @@ -1536,42 +1751,40 @@ static void tegra30_periph_clk_reset(struct clk *c, bool assert) } } -static int tegra30_periph_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_periph_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); if (!(c->flags & MUX)) - return (p == c->parent) ? 0 : (-EINVAL); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~periph_clk_source_mask(c); - val |= (sel->value << periph_clk_source_shift(c)); + return (index == 0) ? 0 : (-EINVAL); - if (c->refcnt) - clk_enable(p); - - clk_writel_delay(val, c->reg); + val = clk_readl(c->reg); + val &= ~periph_clk_source_mask(c); + val |= (index << periph_clk_source_shift(c)); + clk_writel_delay(val, c->reg); + return 0; +} - if (c->refcnt && c->parent) - clk_disable(c->parent); +static u8 tegra30_periph_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source = (val & periph_clk_source_mask(c)) >> + periph_clk_source_shift(c); - clk_reparent(c, p); - return 0; - } - } + if (!(c->flags & MUX)) + return 0; - return -EINVAL; + return source; } -static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate) +static int tegra30_periph_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; int divider; - unsigned long parent_rate = clk_get_rate(c->parent); if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1610,12 +1823,15 @@ static int tegra30_periph_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static long tegra30_periph_clk_round_rate(struct clk *c, - unsigned long rate) +static long tegra30_periph_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) { + struct clk_tegra *c = to_clk_tegra(hw); + unsigned long parent_rate = __clk_get_rate(__clk_get_parent(hw->clk)); int divider; - unsigned long parent_rate = clk_get_rate(c->parent); - pr_debug("%s: %s %lu\n", __func__, c->name, rate); + + if (prate) + parent_rate = *prate; if (c->flags & DIV_U71) { divider = clk_div71_get_divider( @@ -1633,20 +1849,85 @@ static long tegra30_periph_clk_round_rate(struct clk *c, return -EINVAL; } +static unsigned long tegra30_periph_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + u32 val = clk_readl(c->reg); + + if (c->flags & DIV_U71) { + u32 divu71 = val & PERIPH_CLK_SOURCE_DIVU71_MASK; + if ((c->flags & DIV_U71_UART) && + (!(val & PERIPH_CLK_UART_DIV_ENB))) { + divu71 = 0; + } + if (c->flags & DIV_U71_IDLE) { + val &= ~(PERIPH_CLK_SOURCE_DIVU71_MASK << + PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); + val |= (PERIPH_CLK_SOURCE_DIVIDLE_VAL << + PERIPH_CLK_SOURCE_DIVIDLE_SHIFT); + clk_writel(val, c->reg); + } + c->div = divu71 + 2; + c->mul = 2; + } else if (c->flags & DIV_U16) { + u32 divu16 = val & PERIPH_CLK_SOURCE_DIVU16_MASK; + c->div = divu16 + 1; + c->mul = 1; + } else { + c->div = 1; + c->mul = 1; + } + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + return rate; +} + struct clk_ops tegra30_periph_clk_ops = { - .init = &tegra30_periph_clk_init, + .is_enabled = &tegra30_periph_clk_is_enabled, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, .set_parent = &tegra30_periph_clk_set_parent, + .get_parent = &tegra30_periph_clk_get_parent, + .set_rate = &tegra30_periph_clk_set_rate, + .round_rate = &tegra30_periph_clk_round_rate, + .recalc_rate = &tegra30_periph_clk_recalc_rate, +}; + +static int tegra30_dsib_clk_set_parent(struct clk_hw *hw, u8 index) +{ + struct clk *d = clk_get_sys(NULL, "pll_d"); + /* The DSIB parent selection bit is in PLLD base + register - can not do direct r-m-w, must be + protected by PLLD lock */ + tegra_clk_cfg_ex( + d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, index); + + return 0; +} + +struct clk_ops tegra30_dsib_clk_ops = { + .is_enabled = &tegra30_periph_clk_is_enabled, + .enable = &tegra30_periph_clk_enable, + .disable = &tegra30_periph_clk_disable, + .set_parent = &tegra30_dsib_clk_set_parent, + .get_parent = &tegra30_periph_clk_get_parent, .set_rate = &tegra30_periph_clk_set_rate, .round_rate = &tegra30_periph_clk_round_rate, - .reset = &tegra30_periph_clk_reset, + .recalc_rate = &tegra30_periph_clk_recalc_rate, }; /* Periph extended clock configuration ops */ -static int -tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_vi_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_VI_INP_SEL) { u32 val = clk_readl(c->reg); val &= ~PERIPH_CLK_VI_SEL_EX_MASK; @@ -1658,20 +1939,11 @@ tegra30_vi_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_vi_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_vi_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int -tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_nand_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_NAND_PAD_DIV2_ENB) { u32 val = clk_readl(c->reg); if (setting) @@ -1684,20 +1956,11 @@ tegra30_nand_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_nand_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_nand_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int -tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) +int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting) { + struct clk_tegra *c = to_clk_tegra(hw); + if (p == TEGRA_CLK_DTV_INVERT) { u32 val = clk_readl(c->reg); if (setting) @@ -1710,91 +1973,27 @@ tegra30_dtv_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) return -EINVAL; } -struct clk_ops tegra_dtv_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_periph_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .clk_cfg_ex = &tegra30_dtv_clk_cfg_ex, - .reset = &tegra30_periph_clk_reset, -}; - -static int tegra30_dsib_clk_set_parent(struct clk *c, struct clk *p) -{ - const struct clk_mux_sel *sel; - struct clk *d = tegra_get_clock_by_name("pll_d"); - - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - if (c->refcnt) - clk_enable(p); - - /* The DSIB parent selection bit is in PLLD base - register - can not do direct r-m-w, must be - protected by PLLD lock */ - tegra_clk_cfg_ex( - d, TEGRA_CLK_PLLD_MIPI_MUX_SEL, sel->value); - - if (c->refcnt && c->parent) - clk_disable(c->parent); - - clk_reparent(c, p); - return 0; - } - } - - return -EINVAL; -} - -struct clk_ops tegra_dsib_clk_ops = { - .init = &tegra30_periph_clk_init, - .enable = &tegra30_periph_clk_enable, - .disable = &tegra30_periph_clk_disable, - .set_parent = &tegra30_dsib_clk_set_parent, - .set_rate = &tegra30_periph_clk_set_rate, - .round_rate = &tegra30_periph_clk_round_rate, - .reset = &tegra30_periph_clk_reset, -}; - -/* pciex clock support only reset function */ -struct clk_ops tegra_pciex_clk_ops = { - .reset = tegra30_periph_clk_reset, -}; - /* Output clock ops */ static DEFINE_SPINLOCK(clk_out_lock); -static void tegra30_clk_out_init(struct clk *c) +static int tegra30_clk_out_is_enabled(struct clk_hw *hw) { - const struct clk_mux_sel *mux = 0; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = pmc_readl(c->reg); c->state = (val & (0x1 << c->u.periph.clk_num)) ? ON : OFF; c->mul = 1; c->div = 1; - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (((val & periph_clk_source_mask(c)) >> - periph_clk_source_shift(c)) == sel->value) - mux = sel; - } - BUG_ON(!mux); - c->parent = mux->input; + return c->state; } -static int tegra30_clk_out_enable(struct clk *c) +static int tegra30_clk_out_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); - spin_lock_irqsave(&clk_out_lock, flags); val = pmc_readl(c->reg); val |= (0x1 << c->u.periph.clk_num); @@ -1804,13 +2003,12 @@ static int tegra30_clk_out_enable(struct clk *c) return 0; } -static void tegra30_clk_out_disable(struct clk *c) +static void tegra30_clk_out_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - pr_debug("%s on clock %s\n", __func__, c->name); - spin_lock_irqsave(&clk_out_lock, flags); val = pmc_readl(c->reg); val &= ~(0x1 << c->u.periph.clk_num); @@ -1818,58 +2016,58 @@ static void tegra30_clk_out_disable(struct clk *c) spin_unlock_irqrestore(&clk_out_lock, flags); } -static int tegra30_clk_out_set_parent(struct clk *c, struct clk *p) +static int tegra30_clk_out_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; unsigned long flags; - const struct clk_mux_sel *sel; - pr_debug("%s: %s %s\n", __func__, c->name, p->name); - - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - if (c->refcnt) - clk_enable(p); + spin_lock_irqsave(&clk_out_lock, flags); + val = pmc_readl(c->reg); + val &= ~periph_clk_source_mask(c); + val |= (index << periph_clk_source_shift(c)); + pmc_writel(val, c->reg); + spin_unlock_irqrestore(&clk_out_lock, flags); - spin_lock_irqsave(&clk_out_lock, flags); - val = pmc_readl(c->reg); - val &= ~periph_clk_source_mask(c); - val |= (sel->value << periph_clk_source_shift(c)); - pmc_writel(val, c->reg); - spin_unlock_irqrestore(&clk_out_lock, flags); + return 0; +} - if (c->refcnt && c->parent) - clk_disable(c->parent); +static u8 tegra30_clk_out_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = pmc_readl(c->reg); + int source; - clk_reparent(c, p); - return 0; - } - } - return -EINVAL; + source = (val & periph_clk_source_mask(c)) >> + periph_clk_source_shift(c); + return source; } struct clk_ops tegra_clk_out_ops = { - .init = &tegra30_clk_out_init, + .is_enabled = &tegra30_clk_out_is_enabled, .enable = &tegra30_clk_out_enable, .disable = &tegra30_clk_out_disable, .set_parent = &tegra30_clk_out_set_parent, + .get_parent = &tegra30_clk_out_get_parent, }; /* Clock doubler ops */ -static void tegra30_clk_double_init(struct clk *c) +static int tegra30_clk_double_is_enabled(struct clk_hw *hw) { - u32 val = clk_readl(c->reg); - c->mul = val & (0x1 << c->reg_shift) ? 1 : 2; - c->div = 1; + struct clk_tegra *c = to_clk_tegra(hw); + c->state = ON; if (!(clk_readl(PERIPH_CLK_TO_ENB_REG(c)) & PERIPH_CLK_TO_BIT(c))) c->state = OFF; + return c->state; }; -static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) +static int tegra30_clk_double_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - unsigned long parent_rate = clk_get_rate(c->parent); + if (rate == parent_rate) { val = clk_readl(c->reg) | (0x1 << c->reg_shift); clk_writel(val, c->reg); @@ -1886,108 +2084,137 @@ static int tegra30_clk_double_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } +static unsigned long tegra30_clk_double_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u64 rate = parent_rate; + + u32 val = clk_readl(c->reg); + c->mul = val & (0x1 << c->reg_shift) ? 1 : 2; + c->div = 1; + + if (c->mul != 0 && c->div != 0) { + rate *= c->mul; + rate += c->div - 1; /* round up */ + do_div(rate, c->div); + } + + return rate; +} + +static long tegra30_clk_double_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + unsigned long output_rate = *prate; + + do_div(output_rate, 2); + return output_rate; +} + struct clk_ops tegra30_clk_double_ops = { - .init = &tegra30_clk_double_init, + .is_enabled = &tegra30_clk_double_is_enabled, .enable = &tegra30_periph_clk_enable, .disable = &tegra30_periph_clk_disable, + .recalc_rate = &tegra30_clk_double_recalc_rate, + .round_rate = &tegra30_clk_double_round_rate, .set_rate = &tegra30_clk_double_set_rate, }; /* Audio sync clock ops */ -static int tegra30_sync_source_set_rate(struct clk *c, unsigned long rate) -{ - c->rate = rate; - return 0; -} - struct clk_ops tegra_sync_source_ops = { - .set_rate = &tegra30_sync_source_set_rate, + .recalc_rate = &tegra30_clk_fixed_recalc_rate, }; -static void tegra30_audio_sync_clk_init(struct clk *c) +static int tegra30_audio_sync_clk_is_enabled(struct clk_hw *hw) { - int source; - const struct clk_mux_sel *sel; + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); c->state = (val & AUDIO_SYNC_DISABLE_BIT) ? OFF : ON; - source = val & AUDIO_SYNC_SOURCE_MASK; - for (sel = c->inputs; sel->input != NULL; sel++) - if (sel->value == source) - break; - BUG_ON(sel->input == NULL); - c->parent = sel->input; + return c->state; } -static int tegra30_audio_sync_clk_enable(struct clk *c) +static int tegra30_audio_sync_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); clk_writel((val & (~AUDIO_SYNC_DISABLE_BIT)), c->reg); return 0; } -static void tegra30_audio_sync_clk_disable(struct clk *c) +static void tegra30_audio_sync_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); clk_writel((val | AUDIO_SYNC_DISABLE_BIT), c->reg); } -static int tegra30_audio_sync_clk_set_parent(struct clk *c, struct clk *p) +static int tegra30_audio_sync_clk_set_parent(struct clk_hw *hw, u8 index) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val; - const struct clk_mux_sel *sel; - for (sel = c->inputs; sel->input != NULL; sel++) { - if (sel->input == p) { - val = clk_readl(c->reg); - val &= ~AUDIO_SYNC_SOURCE_MASK; - val |= sel->value; - - if (c->refcnt) - clk_enable(p); - clk_writel(val, c->reg); + val = clk_readl(c->reg); + val &= ~AUDIO_SYNC_SOURCE_MASK; + val |= index; - if (c->refcnt && c->parent) - clk_disable(c->parent); + clk_writel(val, c->reg); + return 0; +} - clk_reparent(c, p); - return 0; - } - } +static u8 tegra30_audio_sync_clk_get_parent(struct clk_hw *hw) +{ + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); + int source; - return -EINVAL; + source = val & AUDIO_SYNC_SOURCE_MASK; + return source; } struct clk_ops tegra30_audio_sync_clk_ops = { - .init = tegra30_audio_sync_clk_init, - .enable = tegra30_audio_sync_clk_enable, - .disable = tegra30_audio_sync_clk_disable, - .set_parent = tegra30_audio_sync_clk_set_parent, + .is_enabled = tegra30_audio_sync_clk_is_enabled, + .enable = tegra30_audio_sync_clk_enable, + .disable = tegra30_audio_sync_clk_disable, + .set_parent = tegra30_audio_sync_clk_set_parent, + .get_parent = tegra30_audio_sync_clk_get_parent, }; /* cml0 (pcie), and cml1 (sata) clock ops */ -static void tegra30_cml_clk_init(struct clk *c) +static int tegra30_cml_clk_is_enabled(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); u32 val = clk_readl(c->reg); c->state = val & (0x1 << c->u.periph.clk_num) ? ON : OFF; + return c->state; } -static int tegra30_cml_clk_enable(struct clk *c) +static int tegra30_cml_clk_enable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); val |= (0x1 << c->u.periph.clk_num); clk_writel(val, c->reg); + return 0; } -static void tegra30_cml_clk_disable(struct clk *c) +static void tegra30_cml_clk_disable(struct clk_hw *hw) { + struct clk_tegra *c = to_clk_tegra(hw); + u32 val = clk_readl(c->reg); val &= ~(0x1 << c->u.periph.clk_num); clk_writel(val, c->reg); } struct clk_ops tegra_cml_clk_ops = { - .init = &tegra30_cml_clk_init, - .enable = &tegra30_cml_clk_enable, - .disable = &tegra30_cml_clk_disable, + .is_enabled = &tegra30_cml_clk_is_enabled, + .enable = &tegra30_cml_clk_enable, + .disable = &tegra30_cml_clk_disable, +}; + +struct clk_ops tegra_pciex_clk_ops = { + .recalc_rate = &tegra30_clk_fixed_recalc_rate, }; diff --git a/arch/arm/mach-tegra/tegra30_clocks.h b/arch/arm/mach-tegra/tegra30_clocks.h index f8c4df5..aeb4e96 100644 --- a/arch/arm/mach-tegra/tegra30_clocks.h +++ b/arch/arm/mach-tegra/tegra30_clocks.h @@ -17,6 +17,7 @@ #ifndef __MACH_TEGRA30_CLOCK_H #define __MACH_TEGRA30_CLOCK_H +extern struct clk_ops tegra_clk_32k_ops; extern struct clk_ops tegra30_clk_m_ops; extern struct clk_ops tegra_clk_m_div_ops; extern struct clk_ops tegra_pll_ref_ops; @@ -27,17 +28,26 @@ extern struct clk_ops tegra30_plle_ops; extern struct clk_ops tegra_cml_clk_ops; extern struct clk_ops tegra_pciex_clk_ops; extern struct clk_ops tegra_sync_source_ops; -extern struct clk_ops tegra30_audio_sync_clk_ops; +extern struct clk_ops tegra_audio_sync_clk_ops; extern struct clk_ops tegra30_clk_double_ops; extern struct clk_ops tegra_clk_out_ops; extern struct clk_ops tegra30_super_ops; extern struct clk_ops tegra30_blink_clk_ops; extern struct clk_ops tegra30_twd_ops; extern struct clk_ops tegra30_periph_clk_ops; -extern struct clk_ops tegra_dsib_clk_ops; +extern struct clk_ops tegra30_dsib_clk_ops; extern struct clk_ops tegra_nand_clk_ops; extern struct clk_ops tegra_vi_clk_ops; extern struct clk_ops tegra_dtv_clk_ops; extern struct clk_ops tegra_clk_shared_bus_ops; +int tegra30_plld_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +void tegra30_periph_clk_reset(struct clk_hw *hw, bool assert); +int tegra30_vi_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +int tegra30_nand_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); +int tegra30_dtv_clk_cfg_ex(struct clk_hw *hw, + enum tegra_clk_ex_param p, u32 setting); #endif diff --git a/arch/arm/mach-tegra/tegra30_clocks_data.c b/arch/arm/mach-tegra/tegra30_clocks_data.c index bf25a38..058e72f 100644 --- a/arch/arm/mach-tegra/tegra30_clocks_data.c +++ b/arch/arm/mach-tegra/tegra30_clocks_data.c @@ -1,7 +1,7 @@ /* - * arch/arm/mach-tegra/tegra30_clocks_data.c + * arch/arm/mach-tegra/tegra30_clocks.c * - * Copyright (c) 2012 NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2010-2012 NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -18,6 +18,7 @@ * */ +#include <linux/clk-private.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/list.h> @@ -28,69 +29,165 @@ #include <linux/clk.h> #include <linux/cpufreq.h> -#include <asm/clkdev.h> - -#include <mach/iomap.h> - #include "clock.h" #include "fuse.h" #include "tegra30_clocks.h" -/* Clock definitions */ +#define DEFINE_CLK_TEGRA(_name, _rate, _ops, _flags, \ + _parent_names, _parents, _parent) \ + static struct clk tegra_##_name = { \ + .hw = &tegra_##_name##_hw.hw, \ + .name = #_name, \ + .rate = _rate, \ + .ops = _ops, \ + .flags = _flags, \ + .parent_names = _parent_names, \ + .parents = _parents, \ + .num_parents = ARRAY_SIZE(_parent_names), \ + .parent = _parent, \ + }; + +static struct clk tegra_clk_32k; +static struct clk_tegra tegra_clk_32k_hw = { + .hw = { + .clk = &tegra_clk_32k, + }, + .fixed_rate = 32768, +}; static struct clk tegra_clk_32k = { .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, + .hw = &tegra_clk_32k_hw.hw, + .ops = &tegra_clk_32k_ops, + .flags = CLK_IS_ROOT, }; -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra30_clk_m_ops, - .reg = 0x1fc, +static struct clk tegra_clk_m; +static struct clk_tegra tegra_clk_m_hw = { + .hw = { + .clk = &tegra_clk_m, + }, + .flags = ENABLE_ON_INIT, + .reg = 0x1fc, .reg_shift = 28, - .max_rate = 48000000, + .max_rate = 48000000, +}; +static struct clk tegra_clk_m = { + .name = "clk_m", + .hw = &tegra_clk_m_hw.hw, + .ops = &tegra30_clk_m_ops, + .flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED, }; -static struct clk tegra_clk_m_div2 = { - .name = "clk_m_div2", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 2, - .state = ON, - .max_rate = 24000000, +static const char *clk_m_div_parent_names[] = { + "clk_m", }; -static struct clk tegra_clk_m_div4 = { - .name = "clk_m_div4", - .ops = &tegra_clk_m_div_ops, - .parent = &tegra_clk_m, - .mul = 1, - .div = 4, - .state = ON, - .max_rate = 12000000, +static struct clk *clk_m_div_parents[] = { + &tegra_clk_m, }; -static struct clk tegra_pll_ref = { - .name = "pll_ref", - .flags = ENABLE_ON_INIT, - .ops = &tegra_pll_ref_ops, - .parent = &tegra_clk_m, - .max_rate = 26000000, +static struct clk tegra_clk_m_div2; +static struct clk_tegra tegra_clk_m_div2_hw = { + .hw = { + .clk = &tegra_clk_m_div2, + }, + .mul = 1, + .div = 2, + .max_rate = 24000000, +}; +DEFINE_CLK_TEGRA(clk_m_div2, 0, &tegra_clk_m_div_ops, 0, + clk_m_div_parent_names, clk_m_div_parents, &tegra_clk_m); + +static struct clk tegra_clk_m_div4; +static struct clk_tegra tegra_clk_m_div4_hw = { + .hw = { + .clk = &tegra_clk_m_div4, + }, + .mul = 1, + .div = 4, + .max_rate = 12000000, }; +DEFINE_CLK_TEGRA(clk_m_div4, 0, &tegra_clk_m_div_ops, 0, + clk_m_div_parent_names, clk_m_div_parents, &tegra_clk_m); + +static struct clk tegra_pll_ref; +static struct clk_tegra tegra_pll_ref_hw = { + .hw = { + .clk = &tegra_pll_ref, + }, + .flags = ENABLE_ON_INIT, + .max_rate = 26000000, +}; +DEFINE_CLK_TEGRA(pll_ref, 0, &tegra_pll_ref_ops, 0, clk_m_div_parent_names, + clk_m_div_parents, &tegra_clk_m); + +#define DEFINE_PLL(_name, _flags, _reg, _max_rate, _input_min, \ + _input_max, _cf_min, _cf_max, _vco_min, \ + _vco_max, _freq_table, _lock_delay, _ops, \ + _fixed_rate, _clk_cfg_ex, _parent) \ + static struct clk tegra_##_name; \ + static const char *_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .u.pll = { \ + .input_min = _input_min, \ + .input_max = _input_max, \ + .cf_min = _cf_min, \ + .cf_max = _cf_max, \ + .vco_min = _vco_min, \ + .vco_max = _vco_max, \ + .freq_table = _freq_table, \ + .lock_delay = _lock_delay, \ + .fixed_rate = _fixed_rate, \ + }, \ + .clk_cfg_ex = _clk_cfg_ex, \ + }; \ + DEFINE_CLK_TEGRA(_name, 0, &_ops, CLK_IGNORE_UNUSED, \ + _name##_parent_names, _name##_parents, \ + &tegra_##_parent); + +#define DEFINE_PLL_OUT(_name, _flags, _reg, _reg_shift, \ + _max_rate, _ops, _parent, _clk_flags) \ + static const char *_name##_parent_names[] = { \ + #_parent, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_parent, \ + }; \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .flags = _flags, \ + .reg = _reg, \ + .max_rate = _max_rate, \ + .reg_shift = _reg_shift, \ + }; \ + DEFINE_CLK_TEGRA(_name, 0, &tegra30_pll_div_ops, \ + _clk_flags, _name##_parent_names, \ + _name##_parents, &tegra_##_parent); static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 1040000000, 520, 6, 1, 8}, { 13000000, 1040000000, 480, 6, 1, 8}, - { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ + { 16800000, 1040000000, 495, 8, 1, 8}, /* actual: 1039.5 MHz */ { 19200000, 1040000000, 325, 6, 1, 6}, { 26000000, 1040000000, 520, 13, 1, 8}, { 12000000, 832000000, 416, 6, 1, 8}, { 13000000, 832000000, 832, 13, 1, 8}, - { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ + { 16800000, 832000000, 396, 8, 1, 8}, /* actual: 831.6 MHz */ { 19200000, 832000000, 260, 6, 1, 8}, { 26000000, 832000000, 416, 13, 1, 8}, @@ -108,46 +205,24 @@ static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { { 12000000, 520000000, 520, 12, 1, 8}, { 13000000, 520000000, 520, 13, 1, 8}, - { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ + { 16800000, 520000000, 495, 16, 1, 8}, /* actual: 519.75 MHz */ { 19200000, 520000000, 325, 12, 1, 6}, { 26000000, 520000000, 520, 26, 1, 8}, { 12000000, 416000000, 416, 12, 1, 8}, { 13000000, 416000000, 416, 13, 1, 8}, - { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ + { 16800000, 416000000, 396, 16, 1, 8}, /* actual: 415.8 MHz */ { 19200000, 416000000, 260, 12, 1, 6}, { 26000000, 416000000, 416, 26, 1, 8}, { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0x80, - .parent = &tegra_pll_ref, - .max_rate = 1400000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_c, PLL_HAS_CPCON, 0x80, 1400000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_c_freq_table, 300, + tegra30_pll_ops, 0, NULL, pll_ref); -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 700000000, -}; +DEFINE_PLL_OUT(pll_c_out1, DIV_U71, 0x84, 0, 700000000, + tegra30_pll_div_ops, pll_c, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 12000000, 666000000, 666, 12, 1, 8}, @@ -163,34 +238,12 @@ static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON | PLLM, - .ops = &tegra30_pll_ops, - .reg = 0x90, - .parent = &tegra_pll_ref, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_m, PLL_HAS_CPCON | PLLM, 0x90, 800000000, 2000000, 31000000, + 1000000, 6000000, 20000000, 1200000000, tegra_pll_m_freq_table, + 300, tegra30_pll_ops, 0, NULL, pll_ref); -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; +DEFINE_PLL_OUT(pll_m_out1, DIV_U71, 0x94, 0, 600000000, + tegra30_pll_div_ops, pll_m, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 12000000, 216000000, 432, 12, 2, 8}, @@ -201,65 +254,19 @@ static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0xa0, - .parent = &tegra_pll_ref, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - .fixed_rate = 408000000, - }, -}; +DEFINE_PLL(pll_p, ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, 0xa0, 432000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1400000000, + tegra_pll_p_freq_table, 300, tegra30_pll_ops, 408000000, NULL, + pll_ref); -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra30_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; +DEFINE_PLL_OUT(pll_p_out1, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, + 0, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out2, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa4, + 16, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out3, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, + 0, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); +DEFINE_PLL_OUT(pll_p_out4, ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, 0xa8, + 16, 432000000, tegra30_pll_div_ops, pll_p, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 9600000, 564480000, 294, 5, 1, 4}, @@ -272,34 +279,12 @@ static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra30_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; +DEFINE_PLL(pll_a, PLL_HAS_CPCON, 0xb0, 700000000, 2000000, 31000000, 1000000, + 6000000, 20000000, 1400000000, tegra_pll_a_freq_table, + 300, tegra30_pll_ops, 0, NULL, pll_p_out1); -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 100000000, -}; +DEFINE_PLL_OUT(pll_a_out0, DIV_U71, 0xb4, 0, 100000000, tegra30_pll_div_ops, + pll_a, CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 12000000, 216000000, 216, 12, 1, 4}, @@ -322,59 +307,20 @@ static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_plld_ops, - .reg = 0xd0, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_d, PLL_HAS_CPCON | PLLD, 0xd0, 1000000000, 2000000, 40000000, + 1000000, 6000000, 40000000, 1000000000, tegra_pll_d_freq_table, + 1000, tegra30_pll_ops, 0, tegra30_plld_clk_cfg_ex, pll_ref); -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk tegra_pll_d2 = { - .name = "pll_d2", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, - .ops = &tegra_plld_ops, - .reg = 0x4b8, - .parent = &tegra_pll_ref, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL_OUT(pll_d_out0, DIV_2 | PLLD, 0, 0, 500000000, tegra30_pll_div_ops, + pll_d, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); -static struct clk tegra_pll_d2_out0 = { - .name = "pll_d2_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d2, - .max_rate = 500000000, -}; +DEFINE_PLL(pll_d2, PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLD, 0x4b8, 1000000000, + 2000000, 40000000, 1000000, 6000000, 40000000, 1000000000, + tegra_pll_d_freq_table, 1000, tegra30_pll_ops, 0, NULL, + pll_ref); + +DEFINE_PLL_OUT(pll_d2_out0, DIV_2 | PLLD, 0, 0, 500000000, tegra30_pll_div_ops, + pll_d2, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 12000000, 480000000, 960, 12, 2, 12}, @@ -385,24 +331,9 @@ static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLL_HAS_CPCON | PLLU, - .ops = &tegra30_pll_ops, - .reg = 0xc0, - .parent = &tegra_pll_ref, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; +DEFINE_PLL(pll_u, PLL_HAS_CPCON | PLLU, 0xc0, 480000000, 2000000, 40000000, + 1000000, 6000000, 48000000, 960000000, tegra_pll_u_freq_table, + 1000, tegra30_pll_ops, 0, NULL, pll_ref); static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { /* 1.7 GHz */ @@ -464,33 +395,12 @@ static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, - .ops = &tegra30_pll_ops, - .reg = 0xe0, - .parent = &tegra_pll_ref, - .max_rate = 1700000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1700000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_x_out0 = { - .name = "pll_x_out0", - .ops = &tegra30_pll_div_ops, - .flags = DIV_2 | PLLX, - .parent = &tegra_pll_x, - .max_rate = 850000000, -}; +DEFINE_PLL(pll_x, PLL_HAS_CPCON | PLL_ALT_MISC_REG | PLLX, 0xe0, 1700000000, + 2000000, 31000000, 1000000, 6000000, 20000000, 1700000000, + tegra_pll_x_freq_table, 300, tegra30_pll_ops, 0, NULL, pll_ref); +DEFINE_PLL_OUT(pll_x_out0, DIV_2 | PLLX, 0, 0, 850000000, tegra30_pll_div_ops, + pll_x, CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED); static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { /* PLLE special case: use cpcon field to store cml divider value */ @@ -499,518 +409,835 @@ static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { { 0, 0, 0, 0, 0, 0 }, }; -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra30_plle_ops, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 216000000, - .cf_min = 12000000, - .cf_max = 12000000, - .vco_min = 1200000000, - .vco_max = 2400000000U, - .freq_table = tegra_pll_e_freq_table, - .lock_delay = 300, - .fixed_rate = 100000000, - }, +DEFINE_PLL(pll_e, PLL_ALT_MISC_REG, 0xe8, 100000000, 2000000, 216000000, + 12000000, 12000000, 1200000000, 2400000000U, + tegra_pll_e_freq_table, 300, tegra30_plle_ops, 100000000, NULL, + pll_ref); + +static const char *mux_plle[] = { + "pll_e", +}; + +static struct clk *mux_plle_p[] = { + &tegra_pll_e, }; -static struct clk tegra_cml0_clk = { - .name = "cml0", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = 0x48c, - .max_rate = 100000000, - .u.periph = { +static struct clk tegra_cml0; +static struct clk_tegra tegra_cml0_hw = { + .hw = { + .clk = &tegra_cml0, + }, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { .clk_num = 0, }, }; +DEFINE_CLK_TEGRA(cml0, 0, &tegra_cml_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -static struct clk tegra_cml1_clk = { - .name = "cml1", - .parent = &tegra_pll_e, - .ops = &tegra_cml_clk_ops, - .reg = 0x48c, - .max_rate = 100000000, - .u.periph = { - .clk_num = 1, +static struct clk tegra_cml1; +static struct clk_tegra tegra_cml1_hw = { + .hw = { + .clk = &tegra_cml1, + }, + .reg = 0x48c, + .max_rate = 100000000, + .u.periph = { + .clk_num = 1, }, }; +DEFINE_CLK_TEGRA(cml1, 0, &tegra_cml_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -static struct clk tegra_pciex_clk = { - .name = "pciex", - .parent = &tegra_pll_e, - .ops = &tegra_pciex_clk_ops, - .max_rate = 100000000, - .u.periph = { - .clk_num = 74, +static struct clk tegra_pciex; +static struct clk_tegra tegra_pciex_hw = { + .hw = { + .clk = &tegra_pciex, + }, + .reg = 0x48c, + .max_rate = 100000000, + .reset = tegra30_periph_clk_reset, + .u.periph = { + .clk_num = 74, }, }; +DEFINE_CLK_TEGRA(pciex, 0, &tegra_pciex_clk_ops, 0, mux_plle, + mux_plle_p, &tegra_pll_e); -/* Audio sync clocks */ -#define SYNC_SOURCE(_id) \ - { \ - .name = #_id "_sync", \ - .rate = 24000000, \ - .max_rate = 24000000, \ - .ops = &tegra_sync_source_ops \ - } -static struct clk tegra_sync_source_list[] = { - SYNC_SOURCE(spdif_in), - SYNC_SOURCE(i2s0), - SYNC_SOURCE(i2s1), - SYNC_SOURCE(i2s2), - SYNC_SOURCE(i2s3), - SYNC_SOURCE(i2s4), - SYNC_SOURCE(vimclk), -}; - -static struct clk_mux_sel mux_audio_sync_clk[] = { - { .input = &tegra_sync_source_list[0], .value = 0}, - { .input = &tegra_sync_source_list[1], .value = 1}, - { .input = &tegra_sync_source_list[2], .value = 2}, - { .input = &tegra_sync_source_list[3], .value = 3}, - { .input = &tegra_sync_source_list[4], .value = 4}, - { .input = &tegra_sync_source_list[5], .value = 5}, - { .input = &tegra_pll_a_out0, .value = 6}, - { .input = &tegra_sync_source_list[6], .value = 7}, - { 0, 0 } -}; - -#define AUDIO_SYNC_CLK(_id, _index) \ - { \ - .name = #_id, \ - .inputs = mux_audio_sync_clk, \ - .reg = 0x4A0 + (_index) * 4, \ - .max_rate = 24000000, \ - .ops = &tegra30_audio_sync_clk_ops \ - } -static struct clk tegra_clk_audio_list[] = { - AUDIO_SYNC_CLK(audio0, 0), - AUDIO_SYNC_CLK(audio1, 1), - AUDIO_SYNC_CLK(audio2, 2), - AUDIO_SYNC_CLK(audio3, 3), - AUDIO_SYNC_CLK(audio4, 4), - AUDIO_SYNC_CLK(audio, 5), /* SPDIF */ -}; - -#define AUDIO_SYNC_2X_CLK(_id, _index) \ - { \ - .name = #_id "_2x", \ - .flags = PERIPH_NO_RESET, \ - .max_rate = 48000000, \ - .ops = &tegra30_clk_double_ops, \ - .reg = 0x49C, \ +#define SYNC_SOURCE(_name) \ + static struct clk tegra_##_name##_sync; \ + static struct clk_tegra tegra_##_name##_sync_hw = { \ + .hw = { \ + .clk = &tegra_##_name##_sync, \ + }, \ + .max_rate = 24000000, \ + .fixed_rate = 24000000, \ + }; \ + static struct clk tegra_##_name##_sync = { \ + .name = #_name "_sync", \ + .hw = &tegra_##_name##_sync_hw.hw, \ + .ops = &tegra_sync_source_ops, \ + .flags = CLK_IS_ROOT, \ + }; + +SYNC_SOURCE(spdif_in); +SYNC_SOURCE(i2s0); +SYNC_SOURCE(i2s1); +SYNC_SOURCE(i2s2); +SYNC_SOURCE(i2s3); +SYNC_SOURCE(i2s4); +SYNC_SOURCE(vimclk); + +static struct clk *tegra_sync_source_list[] = { + &tegra_spdif_in_sync, + &tegra_i2s0_sync, + &tegra_i2s1_sync, + &tegra_i2s2_sync, + &tegra_i2s3_sync, + &tegra_i2s4_sync, + &tegra_vimclk_sync, +}; + +static const char *mux_audio_sync_clk[] = { + "spdif_in_sync", + "i2s0_sync", + "i2s1_sync", + "i2s2_sync", + "i2s3_sync", + "i2s4_sync", + "vimclk_sync", +}; + +#define AUDIO_SYNC_CLK(_name, _index) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .max_rate = 24000000, \ + .reg = 0x4A0 + (_index) * 4, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_audio_sync_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = mux_audio_sync_clk, \ + .parents = tegra_sync_source_list, \ + .num_parents = ARRAY_SIZE(mux_audio_sync_clk), \ + }; + +AUDIO_SYNC_CLK(audio0, 0); +AUDIO_SYNC_CLK(audio1, 1); +AUDIO_SYNC_CLK(audio2, 2); +AUDIO_SYNC_CLK(audio3, 3); +AUDIO_SYNC_CLK(audio4, 4); +AUDIO_SYNC_CLK(audio5, 5); + +static struct clk *tegra_clk_audio_list[] = { + &tegra_audio0, + &tegra_audio1, + &tegra_audio2, + &tegra_audio3, + &tegra_audio4, + &tegra_audio5, /* SPDIF */ +}; + +#define AUDIO_SYNC_2X_CLK(_name, _index) \ + static const char *_name##_parent_names[] = { \ + "tegra_" #_name, \ + }; \ + static struct clk *_name##_parents[] = { \ + &tegra_##_name, \ + }; \ + static struct clk tegra_##_name##_2x; \ + static struct clk_tegra tegra_##_name##_2x_hw = { \ + .hw = { \ + .clk = &tegra_##_name##_2x, \ + }, \ + .flags = PERIPH_NO_RESET, \ + .max_rate = 48000000, \ + .reg = 0x49C, \ .reg_shift = 24 + (_index), \ - .parent = &tegra_clk_audio_list[(_index)], \ .u.periph = { \ .clk_num = 113 + (_index), \ }, \ - } -static struct clk tegra_clk_audio_2x_list[] = { - AUDIO_SYNC_2X_CLK(audio0, 0), - AUDIO_SYNC_2X_CLK(audio1, 1), - AUDIO_SYNC_2X_CLK(audio2, 2), - AUDIO_SYNC_2X_CLK(audio3, 3), - AUDIO_SYNC_2X_CLK(audio4, 4), - AUDIO_SYNC_2X_CLK(audio, 5), /* SPDIF */ -}; - -#define MUX_I2S_SPDIF(_id, _index) \ -static struct clk_mux_sel mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ - {.input = &tegra_pll_a_out0, .value = 0}, \ - {.input = &tegra_clk_audio_2x_list[(_index)], .value = 1}, \ - {.input = &tegra_pll_p, .value = 2}, \ - {.input = &tegra_clk_m, .value = 3}, \ - { 0, 0}, \ -} -MUX_I2S_SPDIF(audio0, 0); -MUX_I2S_SPDIF(audio1, 1); -MUX_I2S_SPDIF(audio2, 2); -MUX_I2S_SPDIF(audio3, 3); -MUX_I2S_SPDIF(audio4, 4); -MUX_I2S_SPDIF(audio, 5); /* SPDIF */ + }; \ + static struct clk tegra_##_name##_2x = { \ + .name = #_name "_2x", \ + .ops = &tegra30_clk_double_ops, \ + .hw = &tegra_##_name##_2x_hw.hw, \ + .parent_names = _name##_parent_names, \ + .parents = _name##_parents, \ + .parent = &tegra_##_name, \ + .num_parents = 1, \ + }; + +AUDIO_SYNC_2X_CLK(audio0, 0); +AUDIO_SYNC_2X_CLK(audio1, 1); +AUDIO_SYNC_2X_CLK(audio2, 2); +AUDIO_SYNC_2X_CLK(audio3, 3); +AUDIO_SYNC_2X_CLK(audio4, 4); +AUDIO_SYNC_2X_CLK(audio5, 5); /* SPDIF */ + +static struct clk *tegra_clk_audio_2x_list[] = { + &tegra_audio0_2x, + &tegra_audio1_2x, + &tegra_audio2_2x, + &tegra_audio3_2x, + &tegra_audio4_2x, + &tegra_audio5_2x, /* SPDIF */ +}; + +#define MUX_I2S_SPDIF(_id) \ +static const char *mux_pllaout0_##_id##_2x_pllp_clkm[] = { \ + "pll_a_out0", \ + #_id "_2x", \ + "pll_p", \ + "clk_m", \ +}; \ +static struct clk *mux_pllaout0_##_id##_2x_pllp_clkm_p[] = { \ + &tegra_pll_a_out0, \ + &tegra_##_id##_2x, \ + &tegra_pll_p, \ + &tegra_clk_m, \ +}; + +MUX_I2S_SPDIF(audio0); +MUX_I2S_SPDIF(audio1); +MUX_I2S_SPDIF(audio2); +MUX_I2S_SPDIF(audio3); +MUX_I2S_SPDIF(audio4); +MUX_I2S_SPDIF(audio5); /* SPDIF */ + +static struct clk tegra_extern1; +static struct clk tegra_extern2; +static struct clk tegra_extern3; /* External clock outputs (through PMC) */ -#define MUX_EXTERN_OUT(_id) \ -static struct clk_mux_sel mux_clkm_clkm2_clkm4_extern##_id[] = { \ - {.input = &tegra_clk_m, .value = 0}, \ - {.input = &tegra_clk_m_div2, .value = 1}, \ - {.input = &tegra_clk_m_div4, .value = 2}, \ - {.input = NULL, .value = 3}, /* placeholder */ \ - { 0, 0}, \ -} +#define MUX_EXTERN_OUT(_id) \ +static const char *mux_clkm_clkm2_clkm4_extern##_id[] = { \ + "clk_m", \ + "clk_m_div2", \ + "clk_m_div4", \ + "extern" #_id, \ +}; \ +static struct clk *mux_clkm_clkm2_clkm4_extern##_id##_p[] = { \ + &tegra_clk_m, \ + &tegra_clk_m_div2, \ + &tegra_clk_m_div4, \ + &tegra_extern##_id, \ +}; + MUX_EXTERN_OUT(1); MUX_EXTERN_OUT(2); MUX_EXTERN_OUT(3); -static struct clk_mux_sel *mux_extern_out_list[] = { - mux_clkm_clkm2_clkm4_extern1, - mux_clkm_clkm2_clkm4_extern2, - mux_clkm_clkm2_clkm4_extern3, +#define CLK_OUT_CLK(_name, _index) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ + }, \ + .lookup = { \ + .dev_id = #_name, \ + .con_id = "extern" #_index, \ + }, \ + .flags = MUX_CLK_OUT, \ + .max_rate = 216000000, \ + .reg = 0x1a8, \ + .u.periph = { \ + .clk_num = (_index - 1) * 8 + 2, \ + }, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra_clk_out_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = mux_clkm_clkm2_clkm4_extern##_index, \ + .parents = mux_clkm_clkm2_clkm4_extern##_index##_p, \ + .num_parents = ARRAY_SIZE(mux_clkm_clkm2_clkm4_extern##_index),\ + }; + +CLK_OUT_CLK(clk_out_1, 1); +CLK_OUT_CLK(clk_out_2, 2); +CLK_OUT_CLK(clk_out_3, 3); + +static struct clk *tegra_clk_out_list[] = { + &tegra_clk_out_1, + &tegra_clk_out_2, + &tegra_clk_out_3, +}; + +static const char *mux_sclk[] = { + "clk_m", + "pll_c_out1", + "pll_p_out4", + "pll_p_out3", + "pll_p_out2", + "dummy", + "clk_32k", + "pll_m_out1", +}; + +static struct clk *mux_sclk_p[] = { + &tegra_clk_m, + &tegra_pll_c_out1, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + &tegra_pll_p_out2, + NULL, + &tegra_clk_32k, + &tegra_pll_m_out1, }; -#define CLK_OUT_CLK(_id) \ - { \ - .name = "clk_out_" #_id, \ - .lookup = { \ - .dev_id = "clk_out_" #_id, \ - .con_id = "extern" #_id, \ - }, \ - .ops = &tegra_clk_out_ops, \ - .reg = 0x1a8, \ - .inputs = mux_clkm_clkm2_clkm4_extern##_id, \ - .flags = MUX_CLK_OUT, \ - .max_rate = 216000000, \ - .u.periph = { \ - .clk_num = (_id - 1) * 8 + 2, \ - }, \ - } -static struct clk tegra_clk_out_list[] = { - CLK_OUT_CLK(1), - CLK_OUT_CLK(2), - CLK_OUT_CLK(3), +static struct clk tegra_clk_sclk; +static struct clk_tegra tegra_clk_sclk_hw = { + .hw = { + .clk = &tegra_clk_sclk, + }, + .reg = 0x28, + .max_rate = 334000000, + .min_rate = 40000000, }; -/* called after peripheral external clocks are initialized */ -static void init_clk_out_mux(void) -{ - int i; - struct clk *c; - - /* output clock con_id is the name of peripheral - external clock connected to input 3 of the output mux */ - for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) { - c = tegra_get_clock_by_name( - tegra_clk_out_list[i].lookup.con_id); - if (!c) - pr_err("%s: could not find clk %s\n", __func__, - tegra_clk_out_list[i].lookup.con_id); - mux_extern_out_list[i][3].input = c; - } -} +static struct clk tegra_clk_sclk = { + .name = "sclk", + .ops = &tegra30_super_ops, + .hw = &tegra_clk_sclk_hw.hw, + .parent_names = mux_sclk, + .parents = mux_sclk_p, + .num_parents = ARRAY_SIZE(mux_sclk), +}; -/* Peripheral muxes */ -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - /* { .input = &tegra_clk_d, .value = 5}, - no use on tegra30 */ - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { 0, 0}, +static const char *mux_blink[] = { + "clk_32k", }; -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra30_super_ops, - .max_rate = 334000000, - .min_rate = 40000000, +static struct clk *mux_blink_p[] = { + &tegra_clk_32k, }; +static struct clk tegra_clk_blink; +static struct clk_tegra tegra_clk_blink_hw = { + .hw = { + .clk = &tegra_clk_blink, + }, + .reg = 0x40, + .max_rate = 32768, +}; static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra30_blink_clk_ops, - .max_rate = 32768, + .name = "blink", + .ops = &tegra30_blink_clk_ops, + .hw = &tegra_clk_blink_hw.hw, + .parent = &tegra_clk_32k, + .parent_names = mux_blink, + .parents = mux_blink_p, + .num_parents = ARRAY_SIZE(mux_blink), }; -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { 0, 0}, +static const char *mux_pllm_pllc_pllp_plla[] = { + "pll_m", + "pll_c", + "pll_p", + "pll_a_out0", }; -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_pllm_clkm[] = { + "pll_p", + "pll_c", + "pll_m", + "clk_m", }; -static struct clk_mux_sel mux_pllp_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_clkm[] = { + "pll_p", + "dummy", + "dummy", + "clk_m", }; -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_plld_pllc_clkm[] = { + "pll_p", + "pll_d_out0", + "pll_c", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_m, .value = 1}, - {.input = &tegra_pll_d_out0, .value = 2}, - {.input = &tegra_pll_a_out0, .value = 3}, - {.input = &tegra_pll_c, .value = 4}, - {.input = &tegra_pll_d2_out0, .value = 5}, - {.input = &tegra_clk_m, .value = 6}, - { 0, 0}, +static const char *mux_pllp_pllm_plld_plla_pllc_plld2_clkm[] = { + "pll_p", + "pll_m", + "pll_d_out0", + "pll_a_out0", + "pll_c", + "pll_d2_out0", + "clk_m", }; -static struct clk_mux_sel mux_plla_pllc_pllp_clkm[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - /* { .input = &tegra_pll_c, .value = 1}, no use on tegra30 */ - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_plla_pllc_pllp_clkm[] = { + "pll_a_out0", + "dummy", + "pll_p", + "clk_m" }; -static struct clk_mux_sel mux_pllp_pllc_clk32_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_32k, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_clk32_clkm[] = { + "pll_p", + "pll_c", + "clk_32k", + "clk_m", }; -static struct clk_mux_sel mux_pllp_pllc_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_m, .value = 2}, - {.input = &tegra_clk_32k, .value = 3}, - { 0, 0}, +static const char *mux_pllp_pllc_clkm_clk32[] = { + "pll_p", + "pll_c", + "clk_m", + "clk_32k", }; -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { 0, 0}, +static const char *mux_pllp_pllc_pllm[] = { + "pll_p", + "pll_c", + "pll_m", }; -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { 0, 0}, +static const char *mux_clk_m[] = { + "clk_m", }; -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { 0, 0}, +static const char *mux_pllp_out3[] = { + "pll_p_out3", }; -static struct clk_mux_sel mux_plld_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { 0, 0}, +static const char *mux_plld_out0[] = { + "pll_d_out0", }; -static struct clk_mux_sel mux_plld_out0_plld2_out0[] = { - { .input = &tegra_pll_d_out0, .value = 0}, - { .input = &tegra_pll_d2_out0, .value = 1}, - { 0, 0}, +static const char *mux_plld_out0_plld2_out0[] = { + "pll_d_out0", + "pll_d2_out0", }; -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { 0, 0}, +static const char *mux_clk_32k[] = { + "clk_32k", }; -static struct clk_mux_sel mux_plla_clk32_pllp_clkm_plle[] = { - { .input = &tegra_pll_a_out0, .value = 0}, - { .input = &tegra_clk_32k, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { .input = &tegra_pll_e, .value = 4}, - { 0, 0}, +static const char *mux_plla_clk32_pllp_clkm_plle[] = { + "pll_a_out0", + "clk_32k", + "pll_p", + "clk_m", + "pll_e", }; -static struct clk_mux_sel mux_cclk_g[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_pll_x, .value = 8}, - { 0, 0}, +static const char *mux_cclk_g[] = { + "clk_m", + "pll_c", + "clk_32k", + "pll_m", + "pll_p", + "pll_p_out4", + "pll_p_out3", + "dummy", + "pll_x", }; -static struct clk tegra_clk_cclk_g = { - .name = "cclk_g", - .flags = DIV_U71 | DIV_U71_INT, - .inputs = mux_cclk_g, - .reg = 0x368, - .ops = &tegra30_super_ops, +static struct clk *mux_pllm_pllc_pllp_plla_p[] = { + &tegra_pll_m, + &tegra_pll_c, + &tegra_pll_p, + &tegra_pll_a_out0, +}; + +static struct clk *mux_pllp_pllc_pllm_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_clkm_p[] = { + &tegra_pll_p, + NULL, + NULL, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_plld_pllc_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_d_out0, + &tegra_pll_c, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllm_plld_plla_pllc_plld2_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_m, + &tegra_pll_d_out0, + &tegra_pll_a_out0, + &tegra_pll_c, + &tegra_pll_d2_out0, + &tegra_clk_m, +}; + +static struct clk *mux_plla_pllc_pllp_clkm_p[] = { + &tegra_pll_a_out0, + NULL, + &tegra_pll_p, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllc_clk32_clkm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_clk_m, +}; + +static struct clk *mux_pllp_pllc_clkm_clk32_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_clk_m, + &tegra_clk_32k, +}; + +static struct clk *mux_pllp_pllc_pllm_p[] = { + &tegra_pll_p, + &tegra_pll_c, + &tegra_pll_m, +}; + +static struct clk *mux_clk_m_p[] = { + &tegra_clk_m, +}; + +static struct clk *mux_pllp_out3_p[] = { + &tegra_pll_p_out3, +}; + +static struct clk *mux_plld_out0_p[] = { + &tegra_pll_d_out0, +}; + +static struct clk *mux_plld_out0_plld2_out0_p[] = { + &tegra_pll_d_out0, + &tegra_pll_d2_out0, +}; + +static struct clk *mux_clk_32k_p[] = { + &tegra_clk_32k, +}; + +static struct clk *mux_plla_clk32_pllp_clkm_plle_p[] = { + &tegra_pll_a_out0, + &tegra_clk_32k, + &tegra_pll_p, + &tegra_clk_m, + &tegra_pll_e, +}; + +static struct clk *mux_cclk_g_p[] = { + &tegra_clk_m, + &tegra_pll_c, + &tegra_clk_32k, + &tegra_pll_m, + &tegra_pll_p, + &tegra_pll_p_out4, + &tegra_pll_p_out3, + NULL, + &tegra_pll_x, +}; + +static struct clk tegra_clk_cclk_g; +static struct clk_tegra tegra_clk_cclk_g_hw = { + .hw = { + .clk = &tegra_clk_cclk_g, + }, + .flags = DIV_U71 | DIV_U71_INT, + .reg = 0x368, .max_rate = 1700000000, }; +static struct clk tegra_clk_cclk_g = { + .name = "cclk_g", + .ops = &tegra30_super_ops, + .hw = &tegra_clk_cclk_g_hw.hw, + .parent_names = mux_cclk_g, + .parents = mux_cclk_g_p, + .num_parents = ARRAY_SIZE(mux_cclk_g), +}; -static struct clk tegra30_clk_twd = { - .parent = &tegra_clk_cclk_g, - .name = "twd", - .ops = &tegra30_twd_ops, - .max_rate = 1400000000, /* Same as tegra_clk_cpu_cmplx.max_rate */ - .mul = 1, - .div = 2, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra30_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } +static const char *mux_twd[] = { + "cclk_g", +}; -#define PERIPH_CLK_EX(_name, _dev, _con, _clk_num, _reg, _max, _inputs, \ - _flags, _ops) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = _ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } +static struct clk *mux_twd_p[] = { + &tegra_clk_cclk_g, +}; -#define SHARED_CLK(_name, _dev, _con, _parent, _id, _div, _mode)\ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - .u.shared_bus_user = { \ - .client_id = _id, \ - .client_div = _div, \ - .mode = _mode, \ +static struct clk tegra30_clk_twd; +static struct clk_tegra tegra30_clk_twd_hw = { + .hw = { + .clk = &tegra30_clk_twd, + }, + .max_rate = 1400000000, + .mul = 1, + .div = 2, +}; + +static struct clk tegra30_clk_twd = { + .name = "twd", + .ops = &tegra30_twd_ops, + .hw = &tegra30_clk_twd_hw.hw, + .parent = &tegra_clk_cclk_g, + .parent_names = mux_twd, + .parents = mux_twd_p, + .num_parents = ARRAY_SIZE(mux_twd), +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, \ + _max, _inputs, _flags) \ + static struct clk tegra_##_name; \ + static struct clk_tegra tegra_##_name##_hw = { \ + .hw = { \ + .clk = &tegra_##_name, \ }, \ - } -struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("kbc", "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("kfuse", "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("fuse", "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("fuse_burn", "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB), - PERIPH_CLK("apbif", "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s0", "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s1", "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s2", "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s3", "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("i2s4", "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_out", "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("spdif_in", "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("d_audio", "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam0", "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam1", "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("dam2", "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("hda", "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2codec_2x", "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("hda2hdmi", "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc5", "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sbc6", "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sata_oob", "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata", "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sata_cold", "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0), - PERIPH_CLK_EX("ndflash", "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71, &tegra_nand_clk_ops), - PERIPH_CLK("ndspeed", "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c4", "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("i2c5", "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB), - PERIPH_CLK_EX("vi", "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT, &tegra_vi_clk_ops), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("3d2", "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET), - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE), - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT), - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK_EX("dtv", "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0, &tegra_dtv_clk_ops), - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71), - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8), - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsia", "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0), - PERIPH_CLK_EX("dsib", "tegradc.1", "dsib", 82, 0xd0, 500000000, mux_plld_out0_plld2_out0, MUX | PLLD, &tegra_dsib_clk_ops), - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - - PERIPH_CLK("tsensor", "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("actmon", "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71), - PERIPH_CLK("extern1", "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern2", "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("extern3", "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71), - PERIPH_CLK("i2cslow", "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB), - PERIPH_CLK("pcie", "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("afi", "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("se", "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ + .lookup = { \ .dev_id = _dev, \ - .con_id = _con, \ + .con_id = _con, \ }, \ + .reg = _reg, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + .reset = &tegra30_periph_clk_reset, \ + }; \ + static struct clk tegra_##_name = { \ + .name = #_name, \ + .ops = &tegra30_periph_clk_ops, \ + .hw = &tegra_##_name##_hw.hw, \ + .parent_names = _inputs, \ + .parents = _inputs##_p, \ + .num_parents = ARRAY_SIZE(_inputs), \ + }; + +PERIPH_CLK(apbdma, "tegra-apbdma", NULL, 34, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(rtc, "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB); +PERIPH_CLK(kbc, "tegra-kbc", NULL, 36, 0, 32768, mux_clk_32k, PERIPH_NO_RESET | PERIPH_ON_APB); +PERIPH_CLK(timer, "timer", NULL, 5, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(kfuse, "kfuse-tegra", NULL, 40, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(fuse, "fuse-tegra", "fuse", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB); +PERIPH_CLK(fuse_burn, "fuse-tegra", "fuse_burn", 39, 0, 26000000, mux_clk_m, PERIPH_ON_APB); +PERIPH_CLK(apbif, "tegra30-ahub", "apbif", 107, 0, 26000000, mux_clk_m, 0); +PERIPH_CLK(i2s0, "tegra30-i2s.0", NULL, 30, 0x1d8, 26000000, mux_pllaout0_audio0_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s1, "tegra30-i2s.1", NULL, 11, 0x100, 26000000, mux_pllaout0_audio1_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s2, "tegra30-i2s.2", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s3, "tegra30-i2s.3", NULL, 101, 0x3bc, 26000000, mux_pllaout0_audio3_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(i2s4, "tegra30-i2s.4", NULL, 102, 0x3c0, 26000000, mux_pllaout0_audio4_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(spdif_out, "tegra30-spdif", "spdif_out", 10, 0x108, 100000000, mux_pllaout0_audio5_2x_pllp_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(spdif_in, "tegra30-spdif", "spdif_in", 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(pwm, "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_clk32_clkm, MUX | MUX_PWM | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(d_audio, "tegra30-ahub", "d_audio", 106, 0x3d0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam0, "tegra30-dam.0", NULL, 108, 0x3d8, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam1, "tegra30-dam.1", NULL, 109, 0x3dc, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(dam2, "tegra30-dam.2", NULL, 110, 0x3e0, 48000000, mux_plla_pllc_pllp_clkm, MUX | DIV_U71); +PERIPH_CLK(hda, "tegra30-hda", "hda", 125, 0x428, 108000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(hda2codec_2x, "tegra30-hda", "hda2codec", 111, 0x3e4, 48000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(hda2hdmi, "tegra30-hda", "hda2hdmi", 128, 0, 48000000, mux_clk_m, 0); +PERIPH_CLK(sbc1, "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc2, "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc3, "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc4, "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc5, "spi_tegra.4", NULL, 104, 0x3c8, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sbc6, "spi_tegra.5", NULL, 105, 0x3cc, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sata_oob, "tegra_sata_oob", NULL, 123, 0x420, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sata, "tegra_sata", NULL, 124, 0x424, 216000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(sata_cold, "tegra_sata_cold", NULL, 129, 0, 48000000, mux_clk_m, 0); +PERIPH_CLK(ndflash, "tegra_nand", NULL, 13, 0x160, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(ndspeed, "tegra_nand_speed", NULL, 80, 0x3f8, 240000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(vfir, "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(sdmmc1, "sdhci-tegra.0", NULL, 14, 0x150, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc2, "sdhci-tegra.1", NULL, 9, 0x154, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc3, "sdhci-tegra.2", NULL, 69, 0x1bc, 208000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(sdmmc4, "sdhci-tegra.3", NULL, 15, 0x164, 104000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* scales with voltage */ +PERIPH_CLK(vcp, "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsea, "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(bsev, "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(vde, "vde", NULL, 61, 0x1c8, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(csite, "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* max rate ??? */ +PERIPH_CLK(la, "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); +PERIPH_CLK(owr, "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(nor, "nor", NULL, 42, 0x1d0, 127000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(mipi, "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | PERIPH_ON_APB); /* scales with voltage */ +PERIPH_CLK(i2c1, "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c2, "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c3, "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c4, "tegra-i2c.3", NULL, 103, 0x3c4, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(i2c5, "tegra-i2c.4", NULL, 47, 0x128, 26000000, mux_pllp_clkm, MUX | DIV_U16 | PERIPH_ON_APB); +PERIPH_CLK(uarta, "tegra-uart.0", NULL, 6, 0x178, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartb, "tegra-uart.1", NULL, 7, 0x17c, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartc, "tegra-uart.2", NULL, 55, 0x1a0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uartd, "tegra-uart.3", NULL, 65, 0x1c0, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(uarte, "tegra-uart.4", NULL, 66, 0x1c4, 800000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_UART | PERIPH_ON_APB); +PERIPH_CLK(vi, "tegra_camera", "vi", 20, 0x148, 425000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(3d, "3d", NULL, 24, 0x158, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET); +PERIPH_CLK(3d2, "3d2", NULL, 98, 0x3b0, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE | PERIPH_MANUAL_RESET); +PERIPH_CLK(2d, "2d", NULL, 21, 0x15c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT | DIV_U71_IDLE); +PERIPH_CLK(vi_sensor, "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET); +PERIPH_CLK(epp, "epp", NULL, 19, 0x16c, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(mpe, "mpe", NULL, 60, 0x170, 520000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(host1x, "host1x", NULL, 28, 0x180, 260000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | DIV_U71_INT); +PERIPH_CLK(cve, "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(tvo, "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(dtv, "dtv", NULL, 79, 0x1dc, 250000000, mux_clk_m, 0); +PERIPH_CLK(hdmi, "hdmi", NULL, 51, 0x18c, 148500000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8 | DIV_U71); +PERIPH_CLK(tvdac, "tvdac", NULL, 53, 0x194, 220000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71); /* requires min voltage */ +PERIPH_CLK(disp1, "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8); +PERIPH_CLK(disp2, "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_pllm_plld_plla_pllc_plld2_clkm, MUX | MUX8); +PERIPH_CLK(usbd, "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb2, "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(usb3, "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0); /* requires min voltage */ +PERIPH_CLK(dsia, "tegradc.0", "dsia", 48, 0, 500000000, mux_plld_out0, 0); +PERIPH_CLK(csi, "tegra_camera", "csi", 52, 0, 102000000, mux_pllp_out3, 0); +PERIPH_CLK(isp, "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0); /* same frequency as VI */ +PERIPH_CLK(csus, "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET); +PERIPH_CLK(tsensor, "tegra-tsensor", NULL, 100, 0x3b8, 216000000, mux_pllp_pllc_clkm_clk32, MUX | DIV_U71); +PERIPH_CLK(actmon, "actmon", NULL, 119, 0x3e8, 216000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71); +PERIPH_CLK(extern1, "extern1", NULL, 120, 0x3ec, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(extern2, "extern2", NULL, 121, 0x3f0, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(extern3, "extern3", NULL, 122, 0x3f4, 216000000, mux_plla_clk32_pllp_clkm_plle, MUX | MUX8 | DIV_U71); +PERIPH_CLK(i2cslow, "i2cslow", NULL, 81, 0x3fc, 26000000, mux_pllp_pllc_clk32_clkm, MUX | DIV_U71 | PERIPH_ON_APB); +PERIPH_CLK(pcie, "tegra-pcie", "pcie", 70, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(afi, "tegra-pcie", "afi", 72, 0, 250000000, mux_clk_m, 0); +PERIPH_CLK(se, "se", NULL, 127, 0x42c, 520000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71 | DIV_U71_INT); + +static struct clk tegra_dsib; +static struct clk_tegra tegra_dsib_hw = { + .hw = { + .clk = &tegra_dsib, + }, + .lookup = { + .dev_id = "tegradc.1", + .con_id = "dsib", + }, + .reg = 0xd0, + .flags = MUX | PLLD, + .max_rate = 500000000, + .u.periph = { + .clk_num = 82, + }, + .reset = &tegra30_periph_clk_reset, +}; +static struct clk tegra_dsib = { + .name = "dsib", + .ops = &tegra30_dsib_clk_ops, + .hw = &tegra_dsib_hw.hw, + .parent_names = mux_plld_out0_plld2_out0, + .parents = mux_plld_out0_plld2_out0_p, + .num_parents = ARRAY_SIZE(mux_plld_out0_plld2_out0), +}; + +struct clk *tegra_list_clks[] = { + &tegra_apbdma, + &tegra_rtc, + &tegra_kbc, + &tegra_timer, + &tegra_kfuse, + &tegra_fuse, + &tegra_fuse_burn, + &tegra_apbif, + &tegra_i2s0, + &tegra_i2s1, + &tegra_i2s2, + &tegra_i2s3, + &tegra_i2s4, + &tegra_spdif_out, + &tegra_spdif_in, + &tegra_pwm, + &tegra_d_audio, + &tegra_dam0, + &tegra_dam1, + &tegra_dam2, + &tegra_hda, + &tegra_hda2codec_2x, + &tegra_hda2hdmi, + &tegra_sbc1, + &tegra_sbc2, + &tegra_sbc3, + &tegra_sbc4, + &tegra_sbc5, + &tegra_sbc6, + &tegra_sata_oob, + &tegra_sata, + &tegra_sata_cold, + &tegra_ndflash, + &tegra_ndspeed, + &tegra_vfir, + &tegra_sdmmc1, + &tegra_sdmmc2, + &tegra_sdmmc3, + &tegra_sdmmc4, + &tegra_vcp, + &tegra_bsea, + &tegra_bsev, + &tegra_vde, + &tegra_csite, + &tegra_la, + &tegra_owr, + &tegra_nor, + &tegra_mipi, + &tegra_i2c1, + &tegra_i2c2, + &tegra_i2c3, + &tegra_i2c4, + &tegra_i2c5, + &tegra_uarta, + &tegra_uartb, + &tegra_uartc, + &tegra_uartd, + &tegra_uarte, + &tegra_vi, + &tegra_3d, + &tegra_3d2, + &tegra_2d, + &tegra_vi_sensor, + &tegra_epp, + &tegra_mpe, + &tegra_host1x, + &tegra_cve, + &tegra_tvo, + &tegra_dtv, + &tegra_hdmi, + &tegra_tvdac, + &tegra_disp1, + &tegra_disp2, + &tegra_usbd, + &tegra_usb2, + &tegra_usb3, + &tegra_dsia, + &tegra_dsib, + &tegra_csi, + &tegra_isp, + &tegra_csus, + &tegra_tsensor, + &tegra_actmon, + &tegra_extern1, + &tegra_extern2, + &tegra_extern3, + &tegra_i2cslow, + &tegra_pcie, + &tegra_afi, + &tegra_se, +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ } /* Some clocks may be used by different drivers depending on the board @@ -1092,23 +1319,24 @@ struct clk *tegra_ptr_clks[] = { &tegra_pll_x_out0, &tegra_pll_e, &tegra_clk_cclk_g, - &tegra_cml0_clk, - &tegra_cml1_clk, - &tegra_pciex_clk, + &tegra_cml0, + &tegra_cml1, + &tegra_pciex, &tegra_clk_sclk, &tegra_clk_blink, &tegra30_clk_twd, }; - static void tegra30_init_one_clock(struct clk *c) { - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); + struct clk_tegra *clk = to_clk_tegra(c->hw); + __clk_init(NULL, c); + INIT_LIST_HEAD(&clk->shared_bus_list); + if (!clk->lookup.dev_id && !clk->lookup.con_id) + clk->lookup.con_id = c->name; + clk->lookup.clk = c; + clkdev_add(&clk->lookup); + tegra_clk_add(c); } void __init tegra30_init_clocks(void) @@ -1120,7 +1348,7 @@ void __init tegra30_init_clocks(void) tegra30_init_one_clock(tegra_ptr_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra30_init_one_clock(&tegra_list_clks[i]); + tegra30_init_one_clock(tegra_list_clks[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); @@ -1135,14 +1363,12 @@ void __init tegra30_init_clocks(void) } for (i = 0; i < ARRAY_SIZE(tegra_sync_source_list); i++) - tegra30_init_one_clock(&tegra_sync_source_list[i]); + tegra30_init_one_clock(tegra_sync_source_list[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_list[i]); + tegra30_init_one_clock(tegra_clk_audio_list[i]); for (i = 0; i < ARRAY_SIZE(tegra_clk_audio_2x_list); i++) - tegra30_init_one_clock(&tegra_clk_audio_2x_list[i]); + tegra30_init_one_clock(tegra_clk_audio_2x_list[i]); - init_clk_out_mux(); for (i = 0; i < ARRAY_SIZE(tegra_clk_out_list); i++) - tegra30_init_one_clock(&tegra_clk_out_list[i]); - + tegra30_init_one_clock(tegra_clk_out_list[i]); } -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
[parent not found: <1340879846-12900-6-git-send-email-pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>]
* Re: [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 17:29 ` Prashant G -1 siblings, 0 replies; 57+ messages in thread From: Prashant G @ 2012-06-28 17:29 UTC (permalink / raw) To: swarren-3lzwWm7+Weoh9ZMKESR00Q, mturquette-l0cyMroinI0, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r Cc: Prashant Gaikwad, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w, Peter De Schrijver This patch is not delivered to all mailing lists reason being the message body too big. It can be viewed at https://lkml.org/lkml/2012/6/28/158 Thanks & Regards, Prashant G On Thursday 28 June 2012 04:07 PM, Prashant Gaikwad wrote: > This patch converts tegra clock code to generic clock framework in following way: > - Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c) > - Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk. > - Initialize all clock data statically. (tegraXX_clocks_data.c) > > Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions. > Removed init function. It's functionality is splitted into recalc_rate and is_enabled. > > Static initialization is used since slab is not up in .init_early and clock > is needed to be initialized before clockevent/clocksource initialization. > Macros redefined for clk_tegra. > > Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This > is to move quickly to generic common clock framework so that other dependent features will > not be blocked (such as DT binding). > > Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20 > and Tegra30. > > Signed-off-by: Prashant Gaikwad<pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> > --- > arch/arm/Kconfig | 1 + > arch/arm/mach-tegra/clock.h | 1 + > arch/arm/mach-tegra/tegra20_clocks.c | 986 +++++++++-------- > arch/arm/mach-tegra/tegra20_clocks.h | 4 + > arch/arm/mach-tegra/tegra20_clocks_data.c | 1318 +++++++++++++---------- > arch/arm/mach-tegra/tegra30_clocks.c | 1331 +++++++++++++---------- > arch/arm/mach-tegra/tegra30_clocks.h | 14 +- > arch/arm/mach-tegra/tegra30_clocks_data.c | 1688 ++++++++++++++++------------- > 8 files changed, 3029 insertions(+), 2314 deletions(-) > > ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework @ 2012-06-28 17:29 ` Prashant G 0 siblings, 0 replies; 57+ messages in thread From: Prashant G @ 2012-06-28 17:29 UTC (permalink / raw) To: linux-arm-kernel This patch is not delivered to all mailing lists reason being the message body too big. It can be viewed at https://lkml.org/lkml/2012/6/28/158 Thanks & Regards, Prashant G On Thursday 28 June 2012 04:07 PM, Prashant Gaikwad wrote: > This patch converts tegra clock code to generic clock framework in following way: > - Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c) > - Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk. > - Initialize all clock data statically. (tegraXX_clocks_data.c) > > Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions. > Removed init function. It's functionality is splitted into recalc_rate and is_enabled. > > Static initialization is used since slab is not up in .init_early and clock > is needed to be initialized before clockevent/clocksource initialization. > Macros redefined for clk_tegra. > > Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This > is to move quickly to generic common clock framework so that other dependent features will > not be blocked (such as DT binding). > > Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20 > and Tegra30. > > Signed-off-by: Prashant Gaikwad<pgaikwad@nvidia.com> > --- > arch/arm/Kconfig | 1 + > arch/arm/mach-tegra/clock.h | 1 + > arch/arm/mach-tegra/tegra20_clocks.c | 986 +++++++++-------- > arch/arm/mach-tegra/tegra20_clocks.h | 4 + > arch/arm/mach-tegra/tegra20_clocks_data.c | 1318 +++++++++++++---------- > arch/arm/mach-tegra/tegra30_clocks.c | 1331 +++++++++++++---------- > arch/arm/mach-tegra/tegra30_clocks.h | 14 +- > arch/arm/mach-tegra/tegra30_clocks_data.c | 1688 ++++++++++++++++------------- > 8 files changed, 3029 insertions(+), 2314 deletions(-) > > ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework @ 2012-06-28 17:29 ` Prashant G 0 siblings, 0 replies; 57+ messages in thread From: Prashant G @ 2012-06-28 17:29 UTC (permalink / raw) To: swarren, mturquette, linux-arm-kernel Cc: Prashant Gaikwad, linux-kernel, linux-tegra, linux, ccross, olof, Peter De Schrijver This patch is not delivered to all mailing lists reason being the message body too big. It can be viewed at https://lkml.org/lkml/2012/6/28/158 Thanks & Regards, Prashant G On Thursday 28 June 2012 04:07 PM, Prashant Gaikwad wrote: > This patch converts tegra clock code to generic clock framework in following way: > - Implement clk_ops as required by generic clk framework. (tegraXX_clocks.c) > - Use platform specific struct clk_tegra in clk_ops implementation instead of struct clk. > - Initialize all clock data statically. (tegraXX_clocks_data.c) > > Legacy framework did not have recalc_rate and is_enabled functions. Implemented these functions. > Removed init function. It's functionality is splitted into recalc_rate and is_enabled. > > Static initialization is used since slab is not up in .init_early and clock > is needed to be initialized before clockevent/clocksource initialization. > Macros redefined for clk_tegra. > > Also, single struct clk_tegra is used for all type of clocks (PLL, peripheral etc.). This > is to move quickly to generic common clock framework so that other dependent features will > not be blocked (such as DT binding). > > Enabling COMMON_CLOCK config moved to ARCH_TEGRA since it is enabled for both Tegra20 > and Tegra30. > > Signed-off-by: Prashant Gaikwad<pgaikwad@nvidia.com> > --- > arch/arm/Kconfig | 1 + > arch/arm/mach-tegra/clock.h | 1 + > arch/arm/mach-tegra/tegra20_clocks.c | 986 +++++++++-------- > arch/arm/mach-tegra/tegra20_clocks.h | 4 + > arch/arm/mach-tegra/tegra20_clocks_data.c | 1318 +++++++++++++---------- > arch/arm/mach-tegra/tegra30_clocks.c | 1331 +++++++++++++---------- > arch/arm/mach-tegra/tegra30_clocks.h | 14 +- > arch/arm/mach-tegra/tegra30_clocks_data.c | 1688 ++++++++++++++++------------- > 8 files changed, 3029 insertions(+), 2314 deletions(-) > > ^ permalink raw reply [flat|nested] 57+ messages in thread
[parent not found: <1340879846-12900-1-git-send-email-pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>]
* [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 10:37 ` Prashant Gaikwad -1 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren-3lzwWm7+Weoh9ZMKESR00Q, mturquette-l0cyMroinI0 Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w, Prashant Gaikwad Move clock initialization data to separate file. This is required for migrating to generic clock framework if static initialization is used. TODO: Add clock suspend/resume support Signed-off-by: Prashant Gaikwad <pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/tegra20_clocks.h | 37 + arch/arm/mach-tegra/tegra20_clocks_data.c | 945 +++++++++++++++++++++++++ arch/arm/mach-tegra/tegra2_clocks.c | 1062 +---------------------------- 4 files changed, 999 insertions(+), 1046 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra20_clocks.h create mode 100644 arch/arm/mach-tegra/tegra20_clocks_data.c diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index f17528a..141bf4b 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -12,6 +12,7 @@ obj-y += powergate.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_IDLE) += sleep.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks_data.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks_data.o diff --git a/arch/arm/mach-tegra/tegra20_clocks.h b/arch/arm/mach-tegra/tegra20_clocks.h new file mode 100644 index 0000000..167058c --- /dev/null +++ b/arch/arm/mach-tegra/tegra20_clocks.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA20_CLOCK_H +#define __MACH_TEGRA20_CLOCK_H + +extern struct clk_ops tegra_pll_ops; +extern struct clk_ops tegra_clk_m_ops; +extern struct clk_ops tegra_pll_div_ops; +extern struct clk_ops tegra_pllx_ops; +extern struct clk_ops tegra_plle_ops; +extern struct clk_ops tegra_clk_double_ops; +extern struct clk_ops tegra_cdev_clk_ops; +extern struct clk_ops tegra_audio_sync_clk_ops; +extern struct clk_ops tegra_super_ops; +extern struct clk_ops tegra_cpu_ops; +extern struct clk_ops tegra_cop_ops; +extern struct clk_ops tegra_bus_ops; +extern struct clk_ops tegra_blink_clk_ops; +extern struct clk_ops tegra_emc_clk_ops; +extern struct clk_ops tegra_periph_clk_ops; +extern struct clk_ops tegra_clk_shared_bus_ops; + +#endif diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c new file mode 100644 index 0000000..8d0f019 --- /dev/null +++ b/arch/arm/mach-tegra/tegra20_clocks_data.c @@ -0,0 +1,945 @@ +/* + * arch/arm/mach-tegra/tegra2_clocks.c + * + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Colin Cross <ccross-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/clkdev.h> +#include <linux/clk.h> + +#include <mach/iomap.h> +#include <mach/suspend.h> + +#include "clock.h" +#include "fuse.h" +#include "tegra2_emc.h" +#include "tegra20_clocks.h" + +/* Clock definitions */ +static struct clk tegra_clk_32k = { + .name = "clk_32k", + .rate = 32768, + .ops = NULL, + .max_rate = 32768, +}; + +static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { + {32768, 12000000, 366, 1, 1, 0}, + {32768, 13000000, 397, 1, 1, 0}, + {32768, 19200000, 586, 1, 1, 0}, + {32768, 26000000, 793, 1, 1, 0}, + {0, 0, 0, 0, 0, 0}, +}; + +static struct clk tegra_pll_s = { + .name = "pll_s", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra_pll_ops, + .parent = &tegra_clk_32k, + .max_rate = 26000000, + .reg = 0xf0, + .u.pll = { + .input_min = 32768, + .input_max = 32768, + .cf_min = 0, /* FIXME */ + .cf_max = 0, /* FIXME */ + .vco_min = 12000000, + .vco_max = 26000000, + .freq_table = tegra_pll_s_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_mux_sel tegra_clk_m_sel[] = { + { .input = &tegra_clk_32k, .value = 0}, + { .input = &tegra_pll_s, .value = 1}, + { NULL , 0}, +}; + +static struct clk tegra_clk_m = { + .name = "clk_m", + .flags = ENABLE_ON_INIT, + .ops = &tegra_clk_m_ops, + .inputs = tegra_clk_m_sel, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 26000000, +}; + +static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { + { 12000000, 600000000, 600, 12, 1, 8 }, + { 13000000, 600000000, 600, 13, 1, 8 }, + { 19200000, 600000000, 500, 16, 1, 6 }, + { 26000000, 600000000, 600, 26, 1, 8 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_c = { + .name = "pll_c", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0x80, + .parent = &tegra_clk_m, + .max_rate = 600000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_c_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_c_out1 = { + .name = "pll_c_out1", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_c, + .reg = 0x84, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { + { 12000000, 666000000, 666, 12, 1, 8}, + { 13000000, 666000000, 666, 13, 1, 8}, + { 19200000, 666000000, 555, 16, 1, 8}, + { 26000000, 666000000, 666, 26, 1, 8}, + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_m = { + .name = "pll_m", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0x90, + .parent = &tegra_clk_m, + .max_rate = 800000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_m_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_m_out1 = { + .name = "pll_m_out1", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_m, + .reg = 0x94, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { + { 12000000, 216000000, 432, 12, 2, 8}, + { 13000000, 216000000, 432, 13, 2, 8}, + { 19200000, 216000000, 90, 4, 2, 1}, + { 26000000, 216000000, 432, 26, 2, 8}, + { 12000000, 432000000, 432, 12, 1, 8}, + { 13000000, 432000000, 432, 13, 1, 8}, + { 19200000, 432000000, 90, 4, 1, 1}, + { 26000000, 432000000, 432, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_p = { + .name = "pll_p", + .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0xa0, + .parent = &tegra_clk_m, + .max_rate = 432000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_p_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_p_out1 = { + .name = "pll_p_out1", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out2 = { + .name = "pll_p_out2", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out3 = { + .name = "pll_p_out3", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out4 = { + .name = "pll_p_out4", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { + { 28800000, 56448000, 49, 25, 1, 1}, + { 28800000, 73728000, 64, 25, 1, 1}, + { 28800000, 24000000, 5, 6, 1, 1}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_a = { + .name = "pll_a", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0xb0, + .parent = &tegra_pll_p_out1, + .max_rate = 73728000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_a_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_a_out0 = { + .name = "pll_a_out0", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_a, + .reg = 0xb4, + .reg_shift = 0, + .max_rate = 73728000, +}; + +static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { + { 12000000, 216000000, 216, 12, 1, 4}, + { 13000000, 216000000, 216, 13, 1, 4}, + { 19200000, 216000000, 135, 12, 1, 3}, + { 26000000, 216000000, 216, 26, 1, 4}, + + { 12000000, 594000000, 594, 12, 1, 8}, + { 13000000, 594000000, 594, 13, 1, 8}, + { 19200000, 594000000, 495, 16, 1, 8}, + { 26000000, 594000000, 594, 26, 1, 8}, + + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_d = { + .name = "pll_d", + .flags = PLL_HAS_CPCON | PLLD, + .ops = &tegra_pll_ops, + .reg = 0xd0, + .parent = &tegra_clk_m, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d_out0 = { + .name = "pll_d_out0", + .ops = &tegra_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d, + .max_rate = 500000000, +}; + +static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { + { 12000000, 480000000, 960, 12, 2, 0}, + { 13000000, 480000000, 960, 13, 2, 0}, + { 19200000, 480000000, 200, 4, 2, 0}, + { 26000000, 480000000, 960, 26, 2, 0}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_u = { + .name = "pll_u", + .flags = PLLU, + .ops = &tegra_pll_ops, + .reg = 0xc0, + .parent = &tegra_clk_m, + .max_rate = 480000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .freq_table = tegra_pll_u_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { + /* 1 GHz */ + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + /* 912 MHz */ + { 12000000, 912000000, 912, 12, 1, 12}, + { 13000000, 912000000, 912, 13, 1, 12}, + { 19200000, 912000000, 760, 16, 1, 8}, + { 26000000, 912000000, 912, 26, 1, 12}, + + /* 816 MHz */ + { 12000000, 816000000, 816, 12, 1, 12}, + { 13000000, 816000000, 816, 13, 1, 12}, + { 19200000, 816000000, 680, 16, 1, 8}, + { 26000000, 816000000, 816, 26, 1, 12}, + + /* 760 MHz */ + { 12000000, 760000000, 760, 12, 1, 12}, + { 13000000, 760000000, 760, 13, 1, 12}, + { 19200000, 760000000, 950, 24, 1, 8}, + { 26000000, 760000000, 760, 26, 1, 12}, + + /* 750 MHz */ + { 12000000, 750000000, 750, 12, 1, 12}, + { 13000000, 750000000, 750, 13, 1, 12}, + { 19200000, 750000000, 625, 16, 1, 8}, + { 26000000, 750000000, 750, 26, 1, 12}, + + /* 608 MHz */ + { 12000000, 608000000, 608, 12, 1, 12}, + { 13000000, 608000000, 608, 13, 1, 12}, + { 19200000, 608000000, 380, 12, 1, 8}, + { 26000000, 608000000, 608, 26, 1, 12}, + + /* 456 MHz */ + { 12000000, 456000000, 456, 12, 1, 12}, + { 13000000, 456000000, 456, 13, 1, 12}, + { 19200000, 456000000, 380, 16, 1, 8}, + { 26000000, 456000000, 456, 26, 1, 12}, + + /* 312 MHz */ + { 12000000, 312000000, 312, 12, 1, 12}, + { 13000000, 312000000, 312, 13, 1, 12}, + { 19200000, 312000000, 260, 16, 1, 8}, + { 26000000, 312000000, 312, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_x = { + .name = "pll_x", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, + .ops = &tegra_pllx_ops, + .reg = 0xe0, + .parent = &tegra_clk_m, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_x_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { + { 12000000, 100000000, 200, 24, 1, 0 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_e = { + .name = "pll_e", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra_plle_ops, + .parent = &tegra_clk_m, + .reg = 0xe8, + .max_rate = 100000000, + .u.pll = { + .input_min = 12000000, + .input_max = 12000000, + .freq_table = tegra_pll_e_freq_table, + }, +}; + +static struct clk tegra_clk_d = { + .name = "clk_d", + .flags = PERIPH_NO_RESET, + .ops = &tegra_clk_double_ops, + .reg = 0x34, + .reg_shift = 12, + .parent = &tegra_clk_m, + .max_rate = 52000000, + .u.periph = { + .clk_num = 90, + }, +}; + +/* dap_mclk1, belongs to the cdev1 pingroup. */ +static struct clk tegra_clk_cdev1 = { + .name = "cdev1", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 94, + }, +}; + +/* dap_mclk2, belongs to the cdev2 pingroup. */ +static struct clk tegra_clk_cdev2 = { + .name = "cdev2", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 93, + }, +}; + +/* initialized before peripheral clocks */ +static struct clk_mux_sel mux_audio_sync_clk[8+1]; +static const struct audio_sources { + const char *name; + int value; +} mux_audio_sync_clk_sources[] = { + { .name = "spdif_in", .value = 0 }, + { .name = "i2s1", .value = 1 }, + { .name = "i2s2", .value = 2 }, + { .name = "pll_a_out0", .value = 4 }, +#if 0 /* FIXME: not implemented */ + { .name = "ac97", .value = 3 }, + { .name = "ext_audio_clk2", .value = 5 }, + { .name = "ext_audio_clk1", .value = 6 }, + { .name = "ext_vimclk", .value = 7 }, +#endif + { NULL, 0 } +}; + +static struct clk tegra_clk_audio = { + .name = "audio", + .inputs = mux_audio_sync_clk, + .reg = 0x38, + .max_rate = 73728000, + .ops = &tegra_audio_sync_clk_ops +}; + +static struct clk tegra_clk_audio_2x = { + .name = "audio_2x", + .flags = PERIPH_NO_RESET, + .max_rate = 48000000, + .ops = &tegra_clk_double_ops, + .reg = 0x34, + .reg_shift = 8, + .parent = &tegra_clk_audio, + .u.periph = { + .clk_num = 89, + }, +}; + +static struct clk_lookup tegra_audio_clk_lookups[] = { + { .con_id = "audio", .clk = &tegra_clk_audio }, + { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } +}; + +/* This is called after peripheral clocks are initialized, as the + * audio_sync clock depends on some of the peripheral clocks. + */ + +static void init_audio_sync_clock_mux(void) +{ + int i; + struct clk_mux_sel *sel = mux_audio_sync_clk; + const struct audio_sources *src = mux_audio_sync_clk_sources; + struct clk_lookup *lookup; + + for (i = 0; src->name; i++, sel++, src++) { + sel->input = tegra_get_clock_by_name(src->name); + if (!sel->input) + pr_err("%s: could not find clk %s\n", __func__, + src->name); + sel->value = src->value; + } + + lookup = tegra_audio_clk_lookups; + for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { + clk_init(lookup->clk); + clkdev_add(lookup); + } +} + +static struct clk_mux_sel mux_cclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_clk_32k, .value = 2}, + { .input = &tegra_pll_m, .value = 3}, + { .input = &tegra_pll_p, .value = 4}, + { .input = &tegra_pll_p_out4, .value = 5}, + { .input = &tegra_pll_p_out3, .value = 6}, + { .input = &tegra_clk_d, .value = 7}, + { .input = &tegra_pll_x, .value = 8}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_sclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c_out1, .value = 1}, + { .input = &tegra_pll_p_out4, .value = 2}, + { .input = &tegra_pll_p_out3, .value = 3}, + { .input = &tegra_pll_p_out2, .value = 4}, + { .input = &tegra_clk_d, .value = 5}, + { .input = &tegra_clk_32k, .value = 6}, + { .input = &tegra_pll_m_out1, .value = 7}, + { NULL, 0}, +}; + +static struct clk tegra_clk_cclk = { + .name = "cclk", + .inputs = mux_cclk, + .reg = 0x20, + .ops = &tegra_super_ops, + .max_rate = 1000000000, +}; + +static struct clk tegra_clk_sclk = { + .name = "sclk", + .inputs = mux_sclk, + .reg = 0x28, + .ops = &tegra_super_ops, + .max_rate = 240000000, + .min_rate = 120000000, +}; + +static struct clk tegra_clk_virtual_cpu = { + .name = "cpu", + .parent = &tegra_clk_cclk, + .ops = &tegra_cpu_ops, + .max_rate = 1000000000, + .u.cpu = { + .main = &tegra_pll_x, + .backup = &tegra_pll_p, + }, +}; + +static struct clk tegra_clk_cop = { + .name = "cop", + .parent = &tegra_clk_sclk, + .ops = &tegra_cop_ops, + .max_rate = 240000000, +}; + +static struct clk tegra_clk_hclk = { + .name = "hclk", + .flags = DIV_BUS, + .parent = &tegra_clk_sclk, + .reg = 0x30, + .reg_shift = 4, + .ops = &tegra_bus_ops, + .max_rate = 240000000, +}; + +static struct clk tegra_clk_pclk = { + .name = "pclk", + .flags = DIV_BUS, + .parent = &tegra_clk_hclk, + .reg = 0x30, + .reg_shift = 0, + .ops = &tegra_bus_ops, + .max_rate = 120000000, +}; + +static struct clk tegra_clk_blink = { + .name = "blink", + .parent = &tegra_clk_32k, + .reg = 0x40, + .ops = &tegra_blink_clk_ops, + .max_rate = 32768, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_pll_a_out0, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_m, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { + {.input = &tegra_pll_a_out0, .value = 0}, + {.input = &tegra_clk_audio_2x, .value = 1}, + {.input = &tegra_pll_p, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_d_out0, .value = 1}, + {.input = &tegra_pll_c, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_audio, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + {.input = &tegra_clk_32k, .value = 4}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_pll_m, .value = 2}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_clk_m[] = { + { .input = &tegra_clk_m, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_out3[] = { + { .input = &tegra_pll_p_out3, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_plld[] = { + { .input = &tegra_pll_d, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_clk_32k[] = { + { .input = &tegra_clk_32k, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pclk[] = { + { .input = &tegra_clk_pclk, .value = 0}, + { NULL, 0}, +}; + +static struct clk tegra_clk_emc = { + .name = "emc", + .ops = &tegra_emc_clk_ops, + .reg = 0x19c, + .max_rate = 800000000, + .inputs = mux_pllm_pllc_pllp_clkm, + .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, + .u.periph = { + .clk_num = 57, + }, +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_periph_clk_ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define SHARED_CLK(_name, _dev, _con, _parent) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_clk_shared_bus_ops, \ + .parent = _parent, \ + } + +static struct clk tegra_list_clks[] = { + PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), + PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), + PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), + PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), + PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ + /* FIXME: what is la? */ + PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ + PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ + PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ + PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ + PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), + PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + + SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), + SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), + SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), + SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), + SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), + SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), + SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), + SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), + SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), + SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), + SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + } + +/* Some clocks may be used by different drivers depending on the board + * configuration. List those here to register them twice in the clock lookup + * table under two names. + */ +static struct clk_duplicate tegra_clk_duplicates[] = { + CLK_DUPLICATE("uarta", "serial8250.0", NULL), + CLK_DUPLICATE("uartb", "serial8250.1", NULL), + CLK_DUPLICATE("uartc", "serial8250.2", NULL), + CLK_DUPLICATE("uartd", "serial8250.3", NULL), + CLK_DUPLICATE("uarte", "serial8250.4", NULL), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), + CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), + CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), + CLK_DUPLICATE("epp", "tegra_grhost", "epp"), + CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), + CLK_DUPLICATE("cop", "tegra-avp", "cop"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), +}; + +#define CLK(dev, con, ck) \ + { \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ + } + +static struct clk *tegra_ptr_clks[] = { + &tegra_clk_32k, + &tegra_pll_s, + &tegra_clk_m, + &tegra_pll_m, + &tegra_pll_m_out1, + &tegra_pll_c, + &tegra_pll_c_out1, + &tegra_pll_p, + &tegra_pll_p_out1, + &tegra_pll_p_out2, + &tegra_pll_p_out3, + &tegra_pll_p_out4, + &tegra_pll_a, + &tegra_pll_a_out0, + &tegra_pll_d, + &tegra_pll_d_out0, + &tegra_pll_u, + &tegra_pll_x, + &tegra_pll_e, + &tegra_clk_cclk, + &tegra_clk_sclk, + &tegra_clk_hclk, + &tegra_clk_pclk, + &tegra_clk_d, + &tegra_clk_cdev1, + &tegra_clk_cdev2, + &tegra_clk_virtual_cpu, + &tegra_clk_blink, + &tegra_clk_cop, + &tegra_clk_emc, +}; + +static void tegra2_init_one_clock(struct clk *c) +{ + clk_init(c); + INIT_LIST_HEAD(&c->shared_bus_list); + if (!c->lookup.dev_id && !c->lookup.con_id) + c->lookup.con_id = c->name; + c->lookup.clk = c; + clkdev_add(&c->lookup); +} + +void __init tegra2_init_clocks(void) +{ + int i; + struct clk *c; + + for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) + tegra2_init_one_clock(tegra_ptr_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) + tegra2_init_one_clock(&tegra_list_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { + c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); + if (!c) { + pr_err("%s: Unknown duplicate clock %s\n", __func__, + tegra_clk_duplicates[i].name); + continue; + } + + tegra_clk_duplicates[i].lookup.clk = c; + clkdev_add(&tegra_clk_duplicates[i].lookup); + } + + init_audio_sync_clock_mux(); +} diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c index b79cb93..cf7782f 100644 --- a/arch/arm/mach-tegra/tegra2_clocks.c +++ b/arch/arm/mach-tegra/tegra2_clocks.c @@ -272,7 +272,7 @@ static void tegra2_clk_m_disable(struct clk *c) BUG(); } -static struct clk_ops tegra_clk_m_ops = { +struct clk_ops tegra_clk_m_ops = { .init = tegra2_clk_m_init, .enable = tegra2_clk_m_enable, .disable = tegra2_clk_m_disable, @@ -362,7 +362,7 @@ static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate) return clk_set_rate(c->parent, rate); } -static struct clk_ops tegra_super_ops = { +struct clk_ops tegra_super_ops = { .init = tegra2_super_clk_init, .enable = tegra2_super_clk_enable, .disable = tegra2_super_clk_disable, @@ -429,7 +429,7 @@ out: return ret; } -static struct clk_ops tegra_cpu_ops = { +struct clk_ops tegra_cpu_ops = { .init = tegra2_cpu_clk_init, .enable = tegra2_cpu_clk_enable, .disable = tegra2_cpu_clk_disable, @@ -446,7 +446,7 @@ static void tegra2_cop_clk_reset(struct clk *c, bool assert) clk_writel(1 << 1, reg); } -static struct clk_ops tegra_cop_ops = { +struct clk_ops tegra_cop_ops = { .reset = tegra2_cop_clk_reset, }; @@ -517,7 +517,7 @@ static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) return ret; } -static struct clk_ops tegra_bus_ops = { +struct clk_ops tegra_bus_ops = { .init = tegra2_bus_clk_init, .enable = tegra2_bus_clk_enable, .disable = tegra2_bus_clk_disable, @@ -599,7 +599,7 @@ static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_blink_clk_ops = { +struct clk_ops tegra_blink_clk_ops = { .init = &tegra2_blink_clk_init, .enable = &tegra2_blink_clk_enable, .disable = &tegra2_blink_clk_disable, @@ -709,7 +709,7 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_ops = { +struct clk_ops tegra_pll_ops = { .init = tegra2_pll_clk_init, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, @@ -724,7 +724,7 @@ static void tegra2_pllx_clk_init(struct clk *c) c->max_rate = 750000000; } -static struct clk_ops tegra_pllx_ops = { +struct clk_ops tegra_pllx_ops = { .init = tegra2_pllx_clk_init, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, @@ -750,7 +750,7 @@ static int tegra2_plle_clk_enable(struct clk *c) return 0; } -static struct clk_ops tegra_plle_ops = { +struct clk_ops tegra_plle_ops = { .init = tegra2_pll_clk_init, .enable = tegra2_plle_clk_enable, .set_rate = tegra2_pll_clk_set_rate, @@ -893,7 +893,7 @@ static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_div_ops = { +struct clk_ops tegra_pll_div_ops = { .init = tegra2_pll_div_clk_init, .enable = tegra2_pll_div_clk_enable, .disable = tegra2_pll_div_clk_disable, @@ -1104,7 +1104,7 @@ static long tegra2_periph_clk_round_rate(struct clk *c, return -EINVAL; } -static struct clk_ops tegra_periph_clk_ops = { +struct clk_ops tegra_periph_clk_ops = { .init = &tegra2_periph_clk_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1193,7 +1193,7 @@ static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) return ret; } -static struct clk_ops tegra_emc_clk_ops = { +struct clk_ops tegra_emc_clk_ops = { .init = &tegra2_emc_clk_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1227,7 +1227,7 @@ static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_clk_double_ops = { +struct clk_ops tegra_clk_double_ops = { .init = &tegra2_clk_double_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1286,7 +1286,7 @@ static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_audio_sync_clk_ops = { +struct clk_ops tegra_audio_sync_clk_ops = { .init = tegra2_audio_sync_clk_init, .enable = tegra2_audio_sync_clk_enable, .disable = tegra2_audio_sync_clk_disable, @@ -1325,7 +1325,7 @@ static void tegra2_cdev_clk_disable(struct clk *c) CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); } -static struct clk_ops tegra_cdev_clk_ops = { +struct clk_ops tegra_cdev_clk_ops = { .init = &tegra2_cdev_clk_init, .enable = &tegra2_cdev_clk_enable, .disable = &tegra2_cdev_clk_disable, @@ -1425,1040 +1425,10 @@ static void tegra_clk_shared_bus_disable(struct clk *c) spin_unlock_irqrestore(&c->parent->spinlock, flags); } -static struct clk_ops tegra_clk_shared_bus_ops = { +struct clk_ops tegra_clk_shared_bus_ops = { .init = tegra_clk_shared_bus_init, .enable = tegra_clk_shared_bus_enable, .disable = tegra_clk_shared_bus_disable, .set_rate = tegra_clk_shared_bus_set_rate, .round_rate = tegra_clk_shared_bus_round_rate, }; - - -/* Clock definitions */ -static struct clk tegra_clk_32k = { - .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, -}; - -static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { - {32768, 12000000, 366, 1, 1, 0}, - {32768, 13000000, 397, 1, 1, 0}, - {32768, 19200000, 586, 1, 1, 0}, - {32768, 26000000, 793, 1, 1, 0}, - {0, 0, 0, 0, 0, 0}, -}; - -static struct clk tegra_pll_s = { - .name = "pll_s", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_pll_ops, - .parent = &tegra_clk_32k, - .max_rate = 26000000, - .reg = 0xf0, - .u.pll = { - .input_min = 32768, - .input_max = 32768, - .cf_min = 0, /* FIXME */ - .cf_max = 0, /* FIXME */ - .vco_min = 12000000, - .vco_max = 26000000, - .freq_table = tegra_pll_s_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk_mux_sel tegra_clk_m_sel[] = { - { .input = &tegra_clk_32k, .value = 0}, - { .input = &tegra_pll_s, .value = 1}, - { NULL , 0}, -}; - -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .inputs = tegra_clk_m_sel, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 26000000, -}; - -static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { - { 12000000, 600000000, 600, 12, 1, 8 }, - { 13000000, 600000000, 600, 13, 1, 8 }, - { 19200000, 600000000, 500, 16, 1, 6 }, - { 26000000, 600000000, 600, 26, 1, 8 }, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_clk_m, - .max_rate = 600000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { - { 12000000, 666000000, 666, 12, 1, 8}, - { 13000000, 666000000, 666, 13, 1, 8}, - { 19200000, 666000000, 555, 16, 1, 8}, - { 26000000, 666000000, 666, 26, 1, 8}, - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_clk_m, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { - { 12000000, 216000000, 432, 12, 2, 8}, - { 13000000, 216000000, 432, 13, 2, 8}, - { 19200000, 216000000, 90, 4, 2, 1}, - { 26000000, 216000000, 432, 26, 2, 8}, - { 12000000, 432000000, 432, 12, 1, 8}, - { 13000000, 432000000, 432, 13, 1, 8}, - { 19200000, 432000000, 90, 4, 1, 1}, - { 26000000, 432000000, 432, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_clk_m, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { - { 28800000, 56448000, 49, 25, 1, 1}, - { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 24000000, 5, 6, 1, 1}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 73728000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 73728000, -}; - -static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { - { 12000000, 216000000, 216, 12, 1, 4}, - { 13000000, 216000000, 216, 13, 1, 4}, - { 19200000, 216000000, 135, 12, 1, 3}, - { 26000000, 216000000, 216, 26, 1, 4}, - - { 12000000, 594000000, 594, 12, 1, 8}, - { 13000000, 594000000, 594, 13, 1, 8}, - { 19200000, 594000000, 495, 16, 1, 8}, - { 26000000, 594000000, 594, 26, 1, 8}, - - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_pll_ops, - .reg = 0xd0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 2, 0}, - { 13000000, 480000000, 960, 13, 2, 0}, - { 19200000, 480000000, 200, 4, 2, 0}, - { 26000000, 480000000, 960, 26, 2, 0}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_clk_m, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { - /* 1 GHz */ - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - /* 912 MHz */ - { 12000000, 912000000, 912, 12, 1, 12}, - { 13000000, 912000000, 912, 13, 1, 12}, - { 19200000, 912000000, 760, 16, 1, 8}, - { 26000000, 912000000, 912, 26, 1, 12}, - - /* 816 MHz */ - { 12000000, 816000000, 816, 12, 1, 12}, - { 13000000, 816000000, 816, 13, 1, 12}, - { 19200000, 816000000, 680, 16, 1, 8}, - { 26000000, 816000000, 816, 26, 1, 12}, - - /* 760 MHz */ - { 12000000, 760000000, 760, 12, 1, 12}, - { 13000000, 760000000, 760, 13, 1, 12}, - { 19200000, 760000000, 950, 24, 1, 8}, - { 26000000, 760000000, 760, 26, 1, 12}, - - /* 750 MHz */ - { 12000000, 750000000, 750, 12, 1, 12}, - { 13000000, 750000000, 750, 13, 1, 12}, - { 19200000, 750000000, 625, 16, 1, 8}, - { 26000000, 750000000, 750, 26, 1, 12}, - - /* 608 MHz */ - { 12000000, 608000000, 608, 12, 1, 12}, - { 13000000, 608000000, 608, 13, 1, 12}, - { 19200000, 608000000, 380, 12, 1, 8}, - { 26000000, 608000000, 608, 26, 1, 12}, - - /* 456 MHz */ - { 12000000, 456000000, 456, 12, 1, 12}, - { 13000000, 456000000, 456, 13, 1, 12}, - { 19200000, 456000000, 380, 16, 1, 8}, - { 26000000, 456000000, 456, 26, 1, 12}, - - /* 312 MHz */ - { 12000000, 312000000, 312, 12, 1, 12}, - { 13000000, 312000000, 312, 13, 1, 12}, - { 19200000, 312000000, 260, 16, 1, 8}, - { 26000000, 312000000, 312, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, - .ops = &tegra_pllx_ops, - .reg = 0xe0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { - { 12000000, 100000000, 200, 24, 1, 0 }, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .parent = &tegra_clk_m, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 12000000, - .freq_table = tegra_pll_e_freq_table, - }, -}; - -static struct clk tegra_clk_d = { - .name = "clk_d", - .flags = PERIPH_NO_RESET, - .ops = &tegra_clk_double_ops, - .reg = 0x34, - .reg_shift = 12, - .parent = &tegra_clk_m, - .max_rate = 52000000, - .u.periph = { - .clk_num = 90, - }, -}; - -/* dap_mclk1, belongs to the cdev1 pingroup. */ -static struct clk tegra_clk_cdev1 = { - .name = "cdev1", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 94, - }, -}; - -/* dap_mclk2, belongs to the cdev2 pingroup. */ -static struct clk tegra_clk_cdev2 = { - .name = "cdev2", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 93, - }, -}; - -/* initialized before peripheral clocks */ -static struct clk_mux_sel mux_audio_sync_clk[8+1]; -static const struct audio_sources { - const char *name; - int value; -} mux_audio_sync_clk_sources[] = { - { .name = "spdif_in", .value = 0 }, - { .name = "i2s1", .value = 1 }, - { .name = "i2s2", .value = 2 }, - { .name = "pll_a_out0", .value = 4 }, -#if 0 /* FIXME: not implemented */ - { .name = "ac97", .value = 3 }, - { .name = "ext_audio_clk2", .value = 5 }, - { .name = "ext_audio_clk1", .value = 6 }, - { .name = "ext_vimclk", .value = 7 }, -#endif - { NULL, 0 } -}; - -static struct clk tegra_clk_audio = { - .name = "audio", - .inputs = mux_audio_sync_clk, - .reg = 0x38, - .max_rate = 73728000, - .ops = &tegra_audio_sync_clk_ops -}; - -static struct clk tegra_clk_audio_2x = { - .name = "audio_2x", - .flags = PERIPH_NO_RESET, - .max_rate = 48000000, - .ops = &tegra_clk_double_ops, - .reg = 0x34, - .reg_shift = 8, - .parent = &tegra_clk_audio, - .u.periph = { - .clk_num = 89, - }, -}; - -static struct clk_lookup tegra_audio_clk_lookups[] = { - { .con_id = "audio", .clk = &tegra_clk_audio }, - { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } -}; - -/* This is called after peripheral clocks are initialized, as the - * audio_sync clock depends on some of the peripheral clocks. - */ - -static void init_audio_sync_clock_mux(void) -{ - int i; - struct clk_mux_sel *sel = mux_audio_sync_clk; - const struct audio_sources *src = mux_audio_sync_clk_sources; - struct clk_lookup *lookup; - - for (i = 0; src->name; i++, sel++, src++) { - sel->input = tegra_get_clock_by_name(src->name); - if (!sel->input) - pr_err("%s: could not find clk %s\n", __func__, - src->name); - sel->value = src->value; - } - - lookup = tegra_audio_clk_lookups; - for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { - clk_init(lookup->clk); - clkdev_add(lookup); - } -} - -static struct clk_mux_sel mux_cclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_clk_d, .value = 7}, - { .input = &tegra_pll_x, .value = 8}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - { .input = &tegra_clk_d, .value = 5}, - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { NULL, 0}, -}; - -static struct clk tegra_clk_cclk = { - .name = "cclk", - .inputs = mux_cclk, - .reg = 0x20, - .ops = &tegra_super_ops, - .max_rate = 1000000000, -}; - -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, - .max_rate = 240000000, - .min_rate = 120000000, -}; - -static struct clk tegra_clk_virtual_cpu = { - .name = "cpu", - .parent = &tegra_clk_cclk, - .ops = &tegra_cpu_ops, - .max_rate = 1000000000, - .u.cpu = { - .main = &tegra_pll_x, - .backup = &tegra_pll_p, - }, -}; - -static struct clk tegra_clk_cop = { - .name = "cop", - .parent = &tegra_clk_sclk, - .ops = &tegra_cop_ops, - .max_rate = 240000000, -}; - -static struct clk tegra_clk_hclk = { - .name = "hclk", - .flags = DIV_BUS, - .parent = &tegra_clk_sclk, - .reg = 0x30, - .reg_shift = 4, - .ops = &tegra_bus_ops, - .max_rate = 240000000, -}; - -static struct clk tegra_clk_pclk = { - .name = "pclk", - .flags = DIV_BUS, - .parent = &tegra_clk_hclk, - .reg = 0x30, - .reg_shift = 0, - .ops = &tegra_bus_ops, - .max_rate = 120000000, -}; - -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { - {.input = &tegra_pll_a_out0, .value = 0}, - {.input = &tegra_clk_audio_2x, .value = 1}, - {.input = &tegra_pll_p, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_audio, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - {.input = &tegra_clk_32k, .value = 4}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_plld[] = { - { .input = &tegra_pll_d, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pclk[] = { - { .input = &tegra_clk_pclk, .value = 0}, - { NULL, 0}, -}; - -static struct clk tegra_clk_emc = { - .name = "emc", - .ops = &tegra_emc_clk_ops, - .reg = 0x19c, - .max_rate = 800000000, - .inputs = mux_pllm_pllc_pllp_clkm, - .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, - .u.periph = { - .clk_num = 57, - }, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - } - -static struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - /* FIXME: what is la? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - - SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), - SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), - SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), - SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), - SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), - SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), - SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), - SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), - SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), - SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), - SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - } - -/* Some clocks may be used by different drivers depending on the board - * configuration. List those here to register them twice in the clock lookup - * table under two names. - */ -static struct clk_duplicate tegra_clk_duplicates[] = { - CLK_DUPLICATE("uarta", "serial8250.0", NULL), - CLK_DUPLICATE("uartb", "serial8250.1", NULL), - CLK_DUPLICATE("uartc", "serial8250.2", NULL), - CLK_DUPLICATE("uartd", "serial8250.3", NULL), - CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), - CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), - CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), - CLK_DUPLICATE("epp", "tegra_grhost", "epp"), - CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), - CLK_DUPLICATE("cop", "tegra-avp", "cop"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), -}; - -#define CLK(dev, con, ck) \ - { \ - .dev_id = dev, \ - .con_id = con, \ - .clk = ck, \ - } - -static struct clk *tegra_ptr_clks[] = { - &tegra_clk_32k, - &tegra_pll_s, - &tegra_clk_m, - &tegra_pll_m, - &tegra_pll_m_out1, - &tegra_pll_c, - &tegra_pll_c_out1, - &tegra_pll_p, - &tegra_pll_p_out1, - &tegra_pll_p_out2, - &tegra_pll_p_out3, - &tegra_pll_p_out4, - &tegra_pll_a, - &tegra_pll_a_out0, - &tegra_pll_d, - &tegra_pll_d_out0, - &tegra_pll_u, - &tegra_pll_x, - &tegra_pll_e, - &tegra_clk_cclk, - &tegra_clk_sclk, - &tegra_clk_hclk, - &tegra_clk_pclk, - &tegra_clk_d, - &tegra_clk_cdev1, - &tegra_clk_cdev2, - &tegra_clk_virtual_cpu, - &tegra_clk_blink, - &tegra_clk_cop, - &tegra_clk_emc, -}; - -static void tegra2_init_one_clock(struct clk *c) -{ - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); -} - -void __init tegra2_init_clocks(void) -{ - int i; - struct clk *c; - - for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) - tegra2_init_one_clock(tegra_ptr_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra2_init_one_clock(&tegra_list_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); - if (!c) { - pr_err("%s: Unknown duplicate clock %s\n", __func__, - tegra_clk_duplicates[i].name); - continue; - } - - tegra_clk_duplicates[i].lookup.clk = c; - clkdev_add(&tegra_clk_duplicates[i].lookup); - } - - init_audio_sync_clock_mux(); -} - -#ifdef CONFIG_PM -static u32 clk_rst_suspend[RST_DEVICES_NUM + CLK_OUT_ENB_NUM + - PERIPH_CLK_SOURCE_NUM + 22]; - -void tegra_clk_suspend(void) -{ - unsigned long off, i; - u32 *ctx = clk_rst_suspend; - - *ctx++ = clk_readl(OSC_CTRL) & OSC_CTRL_MASK; - *ctx++ = clk_readl(tegra_pll_c.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); - *ctx++ = clk_readl(tegra_pll_a.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); - *ctx++ = clk_readl(tegra_pll_s.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); - *ctx++ = clk_readl(tegra_pll_d.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); - *ctx++ = clk_readl(tegra_pll_u.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); - - *ctx++ = clk_readl(tegra_pll_m_out1.reg); - *ctx++ = clk_readl(tegra_pll_a_out0.reg); - *ctx++ = clk_readl(tegra_pll_c_out1.reg); - - *ctx++ = clk_readl(tegra_clk_cclk.reg); - *ctx++ = clk_readl(tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); - - *ctx++ = clk_readl(tegra_clk_sclk.reg); - *ctx++ = clk_readl(tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); - *ctx++ = clk_readl(tegra_clk_pclk.reg); - - *ctx++ = clk_readl(tegra_clk_audio.reg); - - for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; - off += 4) { - if (off == PERIPH_CLK_SOURCE_EMC) - continue; - *ctx++ = clk_readl(off); - } - - off = RST_DEVICES; - for (i = 0; i < RST_DEVICES_NUM; i++, off += 4) - *ctx++ = clk_readl(off); - - off = CLK_OUT_ENB; - for (i = 0; i < CLK_OUT_ENB_NUM; i++, off += 4) - *ctx++ = clk_readl(off); - - *ctx++ = clk_readl(MISC_CLK_ENB); - *ctx++ = clk_readl(CLK_MASK_ARM); - - BUG_ON(ctx - clk_rst_suspend != ARRAY_SIZE(clk_rst_suspend)); -} - -void tegra_clk_resume(void) -{ - unsigned long off, i; - const u32 *ctx = clk_rst_suspend; - u32 val; - - val = clk_readl(OSC_CTRL) & ~OSC_CTRL_MASK; - val |= *ctx++; - clk_writel(val, OSC_CTRL); - - clk_writel(*ctx++, tegra_pll_c.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); - clk_writel(*ctx++, tegra_pll_a.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); - clk_writel(*ctx++, tegra_pll_s.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); - clk_writel(*ctx++, tegra_pll_d.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); - clk_writel(*ctx++, tegra_pll_u.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); - udelay(1000); - - clk_writel(*ctx++, tegra_pll_m_out1.reg); - clk_writel(*ctx++, tegra_pll_a_out0.reg); - clk_writel(*ctx++, tegra_pll_c_out1.reg); - - clk_writel(*ctx++, tegra_clk_cclk.reg); - clk_writel(*ctx++, tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); - - clk_writel(*ctx++, tegra_clk_sclk.reg); - clk_writel(*ctx++, tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); - clk_writel(*ctx++, tegra_clk_pclk.reg); - - clk_writel(*ctx++, tegra_clk_audio.reg); - - /* enable all clocks before configuring clock sources */ - clk_writel(0xbffffff9ul, CLK_OUT_ENB); - clk_writel(0xfefffff7ul, CLK_OUT_ENB + 4); - clk_writel(0x77f01bfful, CLK_OUT_ENB + 8); - wmb(); - - for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; - off += 4) { - if (off == PERIPH_CLK_SOURCE_EMC) - continue; - clk_writel(*ctx++, off); - } - wmb(); - - off = RST_DEVICES; - for (i = 0; i < RST_DEVICES_NUM; i++, off += 4) - clk_writel(*ctx++, off); - wmb(); - - off = CLK_OUT_ENB; - for (i = 0; i < CLK_OUT_ENB_NUM; i++, off += 4) - clk_writel(*ctx++, off); - wmb(); - - clk_writel(*ctx++, MISC_CLK_ENB); - clk_writel(*ctx++, CLK_MASK_ARM); -} -#endif -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: linux-arm-kernel Move clock initialization data to separate file. This is required for migrating to generic clock framework if static initialization is used. TODO: Add clock suspend/resume support Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/tegra20_clocks.h | 37 + arch/arm/mach-tegra/tegra20_clocks_data.c | 945 +++++++++++++++++++++++++ arch/arm/mach-tegra/tegra2_clocks.c | 1062 +---------------------------- 4 files changed, 999 insertions(+), 1046 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra20_clocks.h create mode 100644 arch/arm/mach-tegra/tegra20_clocks_data.c diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index f17528a..141bf4b 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -12,6 +12,7 @@ obj-y += powergate.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_IDLE) += sleep.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks_data.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks_data.o diff --git a/arch/arm/mach-tegra/tegra20_clocks.h b/arch/arm/mach-tegra/tegra20_clocks.h new file mode 100644 index 0000000..167058c --- /dev/null +++ b/arch/arm/mach-tegra/tegra20_clocks.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA20_CLOCK_H +#define __MACH_TEGRA20_CLOCK_H + +extern struct clk_ops tegra_pll_ops; +extern struct clk_ops tegra_clk_m_ops; +extern struct clk_ops tegra_pll_div_ops; +extern struct clk_ops tegra_pllx_ops; +extern struct clk_ops tegra_plle_ops; +extern struct clk_ops tegra_clk_double_ops; +extern struct clk_ops tegra_cdev_clk_ops; +extern struct clk_ops tegra_audio_sync_clk_ops; +extern struct clk_ops tegra_super_ops; +extern struct clk_ops tegra_cpu_ops; +extern struct clk_ops tegra_cop_ops; +extern struct clk_ops tegra_bus_ops; +extern struct clk_ops tegra_blink_clk_ops; +extern struct clk_ops tegra_emc_clk_ops; +extern struct clk_ops tegra_periph_clk_ops; +extern struct clk_ops tegra_clk_shared_bus_ops; + +#endif diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c new file mode 100644 index 0000000..8d0f019 --- /dev/null +++ b/arch/arm/mach-tegra/tegra20_clocks_data.c @@ -0,0 +1,945 @@ +/* + * arch/arm/mach-tegra/tegra2_clocks.c + * + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Colin Cross <ccross@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/clkdev.h> +#include <linux/clk.h> + +#include <mach/iomap.h> +#include <mach/suspend.h> + +#include "clock.h" +#include "fuse.h" +#include "tegra2_emc.h" +#include "tegra20_clocks.h" + +/* Clock definitions */ +static struct clk tegra_clk_32k = { + .name = "clk_32k", + .rate = 32768, + .ops = NULL, + .max_rate = 32768, +}; + +static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { + {32768, 12000000, 366, 1, 1, 0}, + {32768, 13000000, 397, 1, 1, 0}, + {32768, 19200000, 586, 1, 1, 0}, + {32768, 26000000, 793, 1, 1, 0}, + {0, 0, 0, 0, 0, 0}, +}; + +static struct clk tegra_pll_s = { + .name = "pll_s", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra_pll_ops, + .parent = &tegra_clk_32k, + .max_rate = 26000000, + .reg = 0xf0, + .u.pll = { + .input_min = 32768, + .input_max = 32768, + .cf_min = 0, /* FIXME */ + .cf_max = 0, /* FIXME */ + .vco_min = 12000000, + .vco_max = 26000000, + .freq_table = tegra_pll_s_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_mux_sel tegra_clk_m_sel[] = { + { .input = &tegra_clk_32k, .value = 0}, + { .input = &tegra_pll_s, .value = 1}, + { NULL , 0}, +}; + +static struct clk tegra_clk_m = { + .name = "clk_m", + .flags = ENABLE_ON_INIT, + .ops = &tegra_clk_m_ops, + .inputs = tegra_clk_m_sel, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 26000000, +}; + +static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { + { 12000000, 600000000, 600, 12, 1, 8 }, + { 13000000, 600000000, 600, 13, 1, 8 }, + { 19200000, 600000000, 500, 16, 1, 6 }, + { 26000000, 600000000, 600, 26, 1, 8 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_c = { + .name = "pll_c", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0x80, + .parent = &tegra_clk_m, + .max_rate = 600000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_c_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_c_out1 = { + .name = "pll_c_out1", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_c, + .reg = 0x84, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { + { 12000000, 666000000, 666, 12, 1, 8}, + { 13000000, 666000000, 666, 13, 1, 8}, + { 19200000, 666000000, 555, 16, 1, 8}, + { 26000000, 666000000, 666, 26, 1, 8}, + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_m = { + .name = "pll_m", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0x90, + .parent = &tegra_clk_m, + .max_rate = 800000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_m_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_m_out1 = { + .name = "pll_m_out1", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_m, + .reg = 0x94, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { + { 12000000, 216000000, 432, 12, 2, 8}, + { 13000000, 216000000, 432, 13, 2, 8}, + { 19200000, 216000000, 90, 4, 2, 1}, + { 26000000, 216000000, 432, 26, 2, 8}, + { 12000000, 432000000, 432, 12, 1, 8}, + { 13000000, 432000000, 432, 13, 1, 8}, + { 19200000, 432000000, 90, 4, 1, 1}, + { 26000000, 432000000, 432, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_p = { + .name = "pll_p", + .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0xa0, + .parent = &tegra_clk_m, + .max_rate = 432000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_p_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_p_out1 = { + .name = "pll_p_out1", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out2 = { + .name = "pll_p_out2", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out3 = { + .name = "pll_p_out3", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out4 = { + .name = "pll_p_out4", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { + { 28800000, 56448000, 49, 25, 1, 1}, + { 28800000, 73728000, 64, 25, 1, 1}, + { 28800000, 24000000, 5, 6, 1, 1}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_a = { + .name = "pll_a", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0xb0, + .parent = &tegra_pll_p_out1, + .max_rate = 73728000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_a_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_a_out0 = { + .name = "pll_a_out0", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_a, + .reg = 0xb4, + .reg_shift = 0, + .max_rate = 73728000, +}; + +static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { + { 12000000, 216000000, 216, 12, 1, 4}, + { 13000000, 216000000, 216, 13, 1, 4}, + { 19200000, 216000000, 135, 12, 1, 3}, + { 26000000, 216000000, 216, 26, 1, 4}, + + { 12000000, 594000000, 594, 12, 1, 8}, + { 13000000, 594000000, 594, 13, 1, 8}, + { 19200000, 594000000, 495, 16, 1, 8}, + { 26000000, 594000000, 594, 26, 1, 8}, + + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_d = { + .name = "pll_d", + .flags = PLL_HAS_CPCON | PLLD, + .ops = &tegra_pll_ops, + .reg = 0xd0, + .parent = &tegra_clk_m, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d_out0 = { + .name = "pll_d_out0", + .ops = &tegra_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d, + .max_rate = 500000000, +}; + +static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { + { 12000000, 480000000, 960, 12, 2, 0}, + { 13000000, 480000000, 960, 13, 2, 0}, + { 19200000, 480000000, 200, 4, 2, 0}, + { 26000000, 480000000, 960, 26, 2, 0}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_u = { + .name = "pll_u", + .flags = PLLU, + .ops = &tegra_pll_ops, + .reg = 0xc0, + .parent = &tegra_clk_m, + .max_rate = 480000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .freq_table = tegra_pll_u_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { + /* 1 GHz */ + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + /* 912 MHz */ + { 12000000, 912000000, 912, 12, 1, 12}, + { 13000000, 912000000, 912, 13, 1, 12}, + { 19200000, 912000000, 760, 16, 1, 8}, + { 26000000, 912000000, 912, 26, 1, 12}, + + /* 816 MHz */ + { 12000000, 816000000, 816, 12, 1, 12}, + { 13000000, 816000000, 816, 13, 1, 12}, + { 19200000, 816000000, 680, 16, 1, 8}, + { 26000000, 816000000, 816, 26, 1, 12}, + + /* 760 MHz */ + { 12000000, 760000000, 760, 12, 1, 12}, + { 13000000, 760000000, 760, 13, 1, 12}, + { 19200000, 760000000, 950, 24, 1, 8}, + { 26000000, 760000000, 760, 26, 1, 12}, + + /* 750 MHz */ + { 12000000, 750000000, 750, 12, 1, 12}, + { 13000000, 750000000, 750, 13, 1, 12}, + { 19200000, 750000000, 625, 16, 1, 8}, + { 26000000, 750000000, 750, 26, 1, 12}, + + /* 608 MHz */ + { 12000000, 608000000, 608, 12, 1, 12}, + { 13000000, 608000000, 608, 13, 1, 12}, + { 19200000, 608000000, 380, 12, 1, 8}, + { 26000000, 608000000, 608, 26, 1, 12}, + + /* 456 MHz */ + { 12000000, 456000000, 456, 12, 1, 12}, + { 13000000, 456000000, 456, 13, 1, 12}, + { 19200000, 456000000, 380, 16, 1, 8}, + { 26000000, 456000000, 456, 26, 1, 12}, + + /* 312 MHz */ + { 12000000, 312000000, 312, 12, 1, 12}, + { 13000000, 312000000, 312, 13, 1, 12}, + { 19200000, 312000000, 260, 16, 1, 8}, + { 26000000, 312000000, 312, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_x = { + .name = "pll_x", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, + .ops = &tegra_pllx_ops, + .reg = 0xe0, + .parent = &tegra_clk_m, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_x_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { + { 12000000, 100000000, 200, 24, 1, 0 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_e = { + .name = "pll_e", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra_plle_ops, + .parent = &tegra_clk_m, + .reg = 0xe8, + .max_rate = 100000000, + .u.pll = { + .input_min = 12000000, + .input_max = 12000000, + .freq_table = tegra_pll_e_freq_table, + }, +}; + +static struct clk tegra_clk_d = { + .name = "clk_d", + .flags = PERIPH_NO_RESET, + .ops = &tegra_clk_double_ops, + .reg = 0x34, + .reg_shift = 12, + .parent = &tegra_clk_m, + .max_rate = 52000000, + .u.periph = { + .clk_num = 90, + }, +}; + +/* dap_mclk1, belongs to the cdev1 pingroup. */ +static struct clk tegra_clk_cdev1 = { + .name = "cdev1", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 94, + }, +}; + +/* dap_mclk2, belongs to the cdev2 pingroup. */ +static struct clk tegra_clk_cdev2 = { + .name = "cdev2", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 93, + }, +}; + +/* initialized before peripheral clocks */ +static struct clk_mux_sel mux_audio_sync_clk[8+1]; +static const struct audio_sources { + const char *name; + int value; +} mux_audio_sync_clk_sources[] = { + { .name = "spdif_in", .value = 0 }, + { .name = "i2s1", .value = 1 }, + { .name = "i2s2", .value = 2 }, + { .name = "pll_a_out0", .value = 4 }, +#if 0 /* FIXME: not implemented */ + { .name = "ac97", .value = 3 }, + { .name = "ext_audio_clk2", .value = 5 }, + { .name = "ext_audio_clk1", .value = 6 }, + { .name = "ext_vimclk", .value = 7 }, +#endif + { NULL, 0 } +}; + +static struct clk tegra_clk_audio = { + .name = "audio", + .inputs = mux_audio_sync_clk, + .reg = 0x38, + .max_rate = 73728000, + .ops = &tegra_audio_sync_clk_ops +}; + +static struct clk tegra_clk_audio_2x = { + .name = "audio_2x", + .flags = PERIPH_NO_RESET, + .max_rate = 48000000, + .ops = &tegra_clk_double_ops, + .reg = 0x34, + .reg_shift = 8, + .parent = &tegra_clk_audio, + .u.periph = { + .clk_num = 89, + }, +}; + +static struct clk_lookup tegra_audio_clk_lookups[] = { + { .con_id = "audio", .clk = &tegra_clk_audio }, + { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } +}; + +/* This is called after peripheral clocks are initialized, as the + * audio_sync clock depends on some of the peripheral clocks. + */ + +static void init_audio_sync_clock_mux(void) +{ + int i; + struct clk_mux_sel *sel = mux_audio_sync_clk; + const struct audio_sources *src = mux_audio_sync_clk_sources; + struct clk_lookup *lookup; + + for (i = 0; src->name; i++, sel++, src++) { + sel->input = tegra_get_clock_by_name(src->name); + if (!sel->input) + pr_err("%s: could not find clk %s\n", __func__, + src->name); + sel->value = src->value; + } + + lookup = tegra_audio_clk_lookups; + for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { + clk_init(lookup->clk); + clkdev_add(lookup); + } +} + +static struct clk_mux_sel mux_cclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_clk_32k, .value = 2}, + { .input = &tegra_pll_m, .value = 3}, + { .input = &tegra_pll_p, .value = 4}, + { .input = &tegra_pll_p_out4, .value = 5}, + { .input = &tegra_pll_p_out3, .value = 6}, + { .input = &tegra_clk_d, .value = 7}, + { .input = &tegra_pll_x, .value = 8}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_sclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c_out1, .value = 1}, + { .input = &tegra_pll_p_out4, .value = 2}, + { .input = &tegra_pll_p_out3, .value = 3}, + { .input = &tegra_pll_p_out2, .value = 4}, + { .input = &tegra_clk_d, .value = 5}, + { .input = &tegra_clk_32k, .value = 6}, + { .input = &tegra_pll_m_out1, .value = 7}, + { NULL, 0}, +}; + +static struct clk tegra_clk_cclk = { + .name = "cclk", + .inputs = mux_cclk, + .reg = 0x20, + .ops = &tegra_super_ops, + .max_rate = 1000000000, +}; + +static struct clk tegra_clk_sclk = { + .name = "sclk", + .inputs = mux_sclk, + .reg = 0x28, + .ops = &tegra_super_ops, + .max_rate = 240000000, + .min_rate = 120000000, +}; + +static struct clk tegra_clk_virtual_cpu = { + .name = "cpu", + .parent = &tegra_clk_cclk, + .ops = &tegra_cpu_ops, + .max_rate = 1000000000, + .u.cpu = { + .main = &tegra_pll_x, + .backup = &tegra_pll_p, + }, +}; + +static struct clk tegra_clk_cop = { + .name = "cop", + .parent = &tegra_clk_sclk, + .ops = &tegra_cop_ops, + .max_rate = 240000000, +}; + +static struct clk tegra_clk_hclk = { + .name = "hclk", + .flags = DIV_BUS, + .parent = &tegra_clk_sclk, + .reg = 0x30, + .reg_shift = 4, + .ops = &tegra_bus_ops, + .max_rate = 240000000, +}; + +static struct clk tegra_clk_pclk = { + .name = "pclk", + .flags = DIV_BUS, + .parent = &tegra_clk_hclk, + .reg = 0x30, + .reg_shift = 0, + .ops = &tegra_bus_ops, + .max_rate = 120000000, +}; + +static struct clk tegra_clk_blink = { + .name = "blink", + .parent = &tegra_clk_32k, + .reg = 0x40, + .ops = &tegra_blink_clk_ops, + .max_rate = 32768, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_pll_a_out0, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_m, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { + {.input = &tegra_pll_a_out0, .value = 0}, + {.input = &tegra_clk_audio_2x, .value = 1}, + {.input = &tegra_pll_p, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_d_out0, .value = 1}, + {.input = &tegra_pll_c, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_audio, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + {.input = &tegra_clk_32k, .value = 4}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_pll_m, .value = 2}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_clk_m[] = { + { .input = &tegra_clk_m, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_out3[] = { + { .input = &tegra_pll_p_out3, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_plld[] = { + { .input = &tegra_pll_d, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_clk_32k[] = { + { .input = &tegra_clk_32k, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pclk[] = { + { .input = &tegra_clk_pclk, .value = 0}, + { NULL, 0}, +}; + +static struct clk tegra_clk_emc = { + .name = "emc", + .ops = &tegra_emc_clk_ops, + .reg = 0x19c, + .max_rate = 800000000, + .inputs = mux_pllm_pllc_pllp_clkm, + .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, + .u.periph = { + .clk_num = 57, + }, +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_periph_clk_ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define SHARED_CLK(_name, _dev, _con, _parent) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_clk_shared_bus_ops, \ + .parent = _parent, \ + } + +static struct clk tegra_list_clks[] = { + PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), + PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), + PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), + PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), + PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ + /* FIXME: what is la? */ + PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ + PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ + PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ + PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ + PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), + PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + + SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), + SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), + SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), + SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), + SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), + SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), + SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), + SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), + SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), + SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), + SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + } + +/* Some clocks may be used by different drivers depending on the board + * configuration. List those here to register them twice in the clock lookup + * table under two names. + */ +static struct clk_duplicate tegra_clk_duplicates[] = { + CLK_DUPLICATE("uarta", "serial8250.0", NULL), + CLK_DUPLICATE("uartb", "serial8250.1", NULL), + CLK_DUPLICATE("uartc", "serial8250.2", NULL), + CLK_DUPLICATE("uartd", "serial8250.3", NULL), + CLK_DUPLICATE("uarte", "serial8250.4", NULL), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), + CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), + CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), + CLK_DUPLICATE("epp", "tegra_grhost", "epp"), + CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), + CLK_DUPLICATE("cop", "tegra-avp", "cop"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), +}; + +#define CLK(dev, con, ck) \ + { \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ + } + +static struct clk *tegra_ptr_clks[] = { + &tegra_clk_32k, + &tegra_pll_s, + &tegra_clk_m, + &tegra_pll_m, + &tegra_pll_m_out1, + &tegra_pll_c, + &tegra_pll_c_out1, + &tegra_pll_p, + &tegra_pll_p_out1, + &tegra_pll_p_out2, + &tegra_pll_p_out3, + &tegra_pll_p_out4, + &tegra_pll_a, + &tegra_pll_a_out0, + &tegra_pll_d, + &tegra_pll_d_out0, + &tegra_pll_u, + &tegra_pll_x, + &tegra_pll_e, + &tegra_clk_cclk, + &tegra_clk_sclk, + &tegra_clk_hclk, + &tegra_clk_pclk, + &tegra_clk_d, + &tegra_clk_cdev1, + &tegra_clk_cdev2, + &tegra_clk_virtual_cpu, + &tegra_clk_blink, + &tegra_clk_cop, + &tegra_clk_emc, +}; + +static void tegra2_init_one_clock(struct clk *c) +{ + clk_init(c); + INIT_LIST_HEAD(&c->shared_bus_list); + if (!c->lookup.dev_id && !c->lookup.con_id) + c->lookup.con_id = c->name; + c->lookup.clk = c; + clkdev_add(&c->lookup); +} + +void __init tegra2_init_clocks(void) +{ + int i; + struct clk *c; + + for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) + tegra2_init_one_clock(tegra_ptr_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) + tegra2_init_one_clock(&tegra_list_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { + c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); + if (!c) { + pr_err("%s: Unknown duplicate clock %s\n", __func__, + tegra_clk_duplicates[i].name); + continue; + } + + tegra_clk_duplicates[i].lookup.clk = c; + clkdev_add(&tegra_clk_duplicates[i].lookup); + } + + init_audio_sync_clock_mux(); +} diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c index b79cb93..cf7782f 100644 --- a/arch/arm/mach-tegra/tegra2_clocks.c +++ b/arch/arm/mach-tegra/tegra2_clocks.c @@ -272,7 +272,7 @@ static void tegra2_clk_m_disable(struct clk *c) BUG(); } -static struct clk_ops tegra_clk_m_ops = { +struct clk_ops tegra_clk_m_ops = { .init = tegra2_clk_m_init, .enable = tegra2_clk_m_enable, .disable = tegra2_clk_m_disable, @@ -362,7 +362,7 @@ static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate) return clk_set_rate(c->parent, rate); } -static struct clk_ops tegra_super_ops = { +struct clk_ops tegra_super_ops = { .init = tegra2_super_clk_init, .enable = tegra2_super_clk_enable, .disable = tegra2_super_clk_disable, @@ -429,7 +429,7 @@ out: return ret; } -static struct clk_ops tegra_cpu_ops = { +struct clk_ops tegra_cpu_ops = { .init = tegra2_cpu_clk_init, .enable = tegra2_cpu_clk_enable, .disable = tegra2_cpu_clk_disable, @@ -446,7 +446,7 @@ static void tegra2_cop_clk_reset(struct clk *c, bool assert) clk_writel(1 << 1, reg); } -static struct clk_ops tegra_cop_ops = { +struct clk_ops tegra_cop_ops = { .reset = tegra2_cop_clk_reset, }; @@ -517,7 +517,7 @@ static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) return ret; } -static struct clk_ops tegra_bus_ops = { +struct clk_ops tegra_bus_ops = { .init = tegra2_bus_clk_init, .enable = tegra2_bus_clk_enable, .disable = tegra2_bus_clk_disable, @@ -599,7 +599,7 @@ static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_blink_clk_ops = { +struct clk_ops tegra_blink_clk_ops = { .init = &tegra2_blink_clk_init, .enable = &tegra2_blink_clk_enable, .disable = &tegra2_blink_clk_disable, @@ -709,7 +709,7 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_ops = { +struct clk_ops tegra_pll_ops = { .init = tegra2_pll_clk_init, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, @@ -724,7 +724,7 @@ static void tegra2_pllx_clk_init(struct clk *c) c->max_rate = 750000000; } -static struct clk_ops tegra_pllx_ops = { +struct clk_ops tegra_pllx_ops = { .init = tegra2_pllx_clk_init, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, @@ -750,7 +750,7 @@ static int tegra2_plle_clk_enable(struct clk *c) return 0; } -static struct clk_ops tegra_plle_ops = { +struct clk_ops tegra_plle_ops = { .init = tegra2_pll_clk_init, .enable = tegra2_plle_clk_enable, .set_rate = tegra2_pll_clk_set_rate, @@ -893,7 +893,7 @@ static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_div_ops = { +struct clk_ops tegra_pll_div_ops = { .init = tegra2_pll_div_clk_init, .enable = tegra2_pll_div_clk_enable, .disable = tegra2_pll_div_clk_disable, @@ -1104,7 +1104,7 @@ static long tegra2_periph_clk_round_rate(struct clk *c, return -EINVAL; } -static struct clk_ops tegra_periph_clk_ops = { +struct clk_ops tegra_periph_clk_ops = { .init = &tegra2_periph_clk_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1193,7 +1193,7 @@ static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) return ret; } -static struct clk_ops tegra_emc_clk_ops = { +struct clk_ops tegra_emc_clk_ops = { .init = &tegra2_emc_clk_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1227,7 +1227,7 @@ static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_clk_double_ops = { +struct clk_ops tegra_clk_double_ops = { .init = &tegra2_clk_double_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1286,7 +1286,7 @@ static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_audio_sync_clk_ops = { +struct clk_ops tegra_audio_sync_clk_ops = { .init = tegra2_audio_sync_clk_init, .enable = tegra2_audio_sync_clk_enable, .disable = tegra2_audio_sync_clk_disable, @@ -1325,7 +1325,7 @@ static void tegra2_cdev_clk_disable(struct clk *c) CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); } -static struct clk_ops tegra_cdev_clk_ops = { +struct clk_ops tegra_cdev_clk_ops = { .init = &tegra2_cdev_clk_init, .enable = &tegra2_cdev_clk_enable, .disable = &tegra2_cdev_clk_disable, @@ -1425,1040 +1425,10 @@ static void tegra_clk_shared_bus_disable(struct clk *c) spin_unlock_irqrestore(&c->parent->spinlock, flags); } -static struct clk_ops tegra_clk_shared_bus_ops = { +struct clk_ops tegra_clk_shared_bus_ops = { .init = tegra_clk_shared_bus_init, .enable = tegra_clk_shared_bus_enable, .disable = tegra_clk_shared_bus_disable, .set_rate = tegra_clk_shared_bus_set_rate, .round_rate = tegra_clk_shared_bus_round_rate, }; - - -/* Clock definitions */ -static struct clk tegra_clk_32k = { - .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, -}; - -static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { - {32768, 12000000, 366, 1, 1, 0}, - {32768, 13000000, 397, 1, 1, 0}, - {32768, 19200000, 586, 1, 1, 0}, - {32768, 26000000, 793, 1, 1, 0}, - {0, 0, 0, 0, 0, 0}, -}; - -static struct clk tegra_pll_s = { - .name = "pll_s", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_pll_ops, - .parent = &tegra_clk_32k, - .max_rate = 26000000, - .reg = 0xf0, - .u.pll = { - .input_min = 32768, - .input_max = 32768, - .cf_min = 0, /* FIXME */ - .cf_max = 0, /* FIXME */ - .vco_min = 12000000, - .vco_max = 26000000, - .freq_table = tegra_pll_s_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk_mux_sel tegra_clk_m_sel[] = { - { .input = &tegra_clk_32k, .value = 0}, - { .input = &tegra_pll_s, .value = 1}, - { NULL , 0}, -}; - -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .inputs = tegra_clk_m_sel, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 26000000, -}; - -static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { - { 12000000, 600000000, 600, 12, 1, 8 }, - { 13000000, 600000000, 600, 13, 1, 8 }, - { 19200000, 600000000, 500, 16, 1, 6 }, - { 26000000, 600000000, 600, 26, 1, 8 }, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_clk_m, - .max_rate = 600000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { - { 12000000, 666000000, 666, 12, 1, 8}, - { 13000000, 666000000, 666, 13, 1, 8}, - { 19200000, 666000000, 555, 16, 1, 8}, - { 26000000, 666000000, 666, 26, 1, 8}, - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_clk_m, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { - { 12000000, 216000000, 432, 12, 2, 8}, - { 13000000, 216000000, 432, 13, 2, 8}, - { 19200000, 216000000, 90, 4, 2, 1}, - { 26000000, 216000000, 432, 26, 2, 8}, - { 12000000, 432000000, 432, 12, 1, 8}, - { 13000000, 432000000, 432, 13, 1, 8}, - { 19200000, 432000000, 90, 4, 1, 1}, - { 26000000, 432000000, 432, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_clk_m, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { - { 28800000, 56448000, 49, 25, 1, 1}, - { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 24000000, 5, 6, 1, 1}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 73728000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 73728000, -}; - -static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { - { 12000000, 216000000, 216, 12, 1, 4}, - { 13000000, 216000000, 216, 13, 1, 4}, - { 19200000, 216000000, 135, 12, 1, 3}, - { 26000000, 216000000, 216, 26, 1, 4}, - - { 12000000, 594000000, 594, 12, 1, 8}, - { 13000000, 594000000, 594, 13, 1, 8}, - { 19200000, 594000000, 495, 16, 1, 8}, - { 26000000, 594000000, 594, 26, 1, 8}, - - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_pll_ops, - .reg = 0xd0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 2, 0}, - { 13000000, 480000000, 960, 13, 2, 0}, - { 19200000, 480000000, 200, 4, 2, 0}, - { 26000000, 480000000, 960, 26, 2, 0}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_clk_m, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { - /* 1 GHz */ - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - /* 912 MHz */ - { 12000000, 912000000, 912, 12, 1, 12}, - { 13000000, 912000000, 912, 13, 1, 12}, - { 19200000, 912000000, 760, 16, 1, 8}, - { 26000000, 912000000, 912, 26, 1, 12}, - - /* 816 MHz */ - { 12000000, 816000000, 816, 12, 1, 12}, - { 13000000, 816000000, 816, 13, 1, 12}, - { 19200000, 816000000, 680, 16, 1, 8}, - { 26000000, 816000000, 816, 26, 1, 12}, - - /* 760 MHz */ - { 12000000, 760000000, 760, 12, 1, 12}, - { 13000000, 760000000, 760, 13, 1, 12}, - { 19200000, 760000000, 950, 24, 1, 8}, - { 26000000, 760000000, 760, 26, 1, 12}, - - /* 750 MHz */ - { 12000000, 750000000, 750, 12, 1, 12}, - { 13000000, 750000000, 750, 13, 1, 12}, - { 19200000, 750000000, 625, 16, 1, 8}, - { 26000000, 750000000, 750, 26, 1, 12}, - - /* 608 MHz */ - { 12000000, 608000000, 608, 12, 1, 12}, - { 13000000, 608000000, 608, 13, 1, 12}, - { 19200000, 608000000, 380, 12, 1, 8}, - { 26000000, 608000000, 608, 26, 1, 12}, - - /* 456 MHz */ - { 12000000, 456000000, 456, 12, 1, 12}, - { 13000000, 456000000, 456, 13, 1, 12}, - { 19200000, 456000000, 380, 16, 1, 8}, - { 26000000, 456000000, 456, 26, 1, 12}, - - /* 312 MHz */ - { 12000000, 312000000, 312, 12, 1, 12}, - { 13000000, 312000000, 312, 13, 1, 12}, - { 19200000, 312000000, 260, 16, 1, 8}, - { 26000000, 312000000, 312, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, - .ops = &tegra_pllx_ops, - .reg = 0xe0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { - { 12000000, 100000000, 200, 24, 1, 0 }, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .parent = &tegra_clk_m, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 12000000, - .freq_table = tegra_pll_e_freq_table, - }, -}; - -static struct clk tegra_clk_d = { - .name = "clk_d", - .flags = PERIPH_NO_RESET, - .ops = &tegra_clk_double_ops, - .reg = 0x34, - .reg_shift = 12, - .parent = &tegra_clk_m, - .max_rate = 52000000, - .u.periph = { - .clk_num = 90, - }, -}; - -/* dap_mclk1, belongs to the cdev1 pingroup. */ -static struct clk tegra_clk_cdev1 = { - .name = "cdev1", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 94, - }, -}; - -/* dap_mclk2, belongs to the cdev2 pingroup. */ -static struct clk tegra_clk_cdev2 = { - .name = "cdev2", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 93, - }, -}; - -/* initialized before peripheral clocks */ -static struct clk_mux_sel mux_audio_sync_clk[8+1]; -static const struct audio_sources { - const char *name; - int value; -} mux_audio_sync_clk_sources[] = { - { .name = "spdif_in", .value = 0 }, - { .name = "i2s1", .value = 1 }, - { .name = "i2s2", .value = 2 }, - { .name = "pll_a_out0", .value = 4 }, -#if 0 /* FIXME: not implemented */ - { .name = "ac97", .value = 3 }, - { .name = "ext_audio_clk2", .value = 5 }, - { .name = "ext_audio_clk1", .value = 6 }, - { .name = "ext_vimclk", .value = 7 }, -#endif - { NULL, 0 } -}; - -static struct clk tegra_clk_audio = { - .name = "audio", - .inputs = mux_audio_sync_clk, - .reg = 0x38, - .max_rate = 73728000, - .ops = &tegra_audio_sync_clk_ops -}; - -static struct clk tegra_clk_audio_2x = { - .name = "audio_2x", - .flags = PERIPH_NO_RESET, - .max_rate = 48000000, - .ops = &tegra_clk_double_ops, - .reg = 0x34, - .reg_shift = 8, - .parent = &tegra_clk_audio, - .u.periph = { - .clk_num = 89, - }, -}; - -static struct clk_lookup tegra_audio_clk_lookups[] = { - { .con_id = "audio", .clk = &tegra_clk_audio }, - { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } -}; - -/* This is called after peripheral clocks are initialized, as the - * audio_sync clock depends on some of the peripheral clocks. - */ - -static void init_audio_sync_clock_mux(void) -{ - int i; - struct clk_mux_sel *sel = mux_audio_sync_clk; - const struct audio_sources *src = mux_audio_sync_clk_sources; - struct clk_lookup *lookup; - - for (i = 0; src->name; i++, sel++, src++) { - sel->input = tegra_get_clock_by_name(src->name); - if (!sel->input) - pr_err("%s: could not find clk %s\n", __func__, - src->name); - sel->value = src->value; - } - - lookup = tegra_audio_clk_lookups; - for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { - clk_init(lookup->clk); - clkdev_add(lookup); - } -} - -static struct clk_mux_sel mux_cclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_clk_d, .value = 7}, - { .input = &tegra_pll_x, .value = 8}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - { .input = &tegra_clk_d, .value = 5}, - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { NULL, 0}, -}; - -static struct clk tegra_clk_cclk = { - .name = "cclk", - .inputs = mux_cclk, - .reg = 0x20, - .ops = &tegra_super_ops, - .max_rate = 1000000000, -}; - -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, - .max_rate = 240000000, - .min_rate = 120000000, -}; - -static struct clk tegra_clk_virtual_cpu = { - .name = "cpu", - .parent = &tegra_clk_cclk, - .ops = &tegra_cpu_ops, - .max_rate = 1000000000, - .u.cpu = { - .main = &tegra_pll_x, - .backup = &tegra_pll_p, - }, -}; - -static struct clk tegra_clk_cop = { - .name = "cop", - .parent = &tegra_clk_sclk, - .ops = &tegra_cop_ops, - .max_rate = 240000000, -}; - -static struct clk tegra_clk_hclk = { - .name = "hclk", - .flags = DIV_BUS, - .parent = &tegra_clk_sclk, - .reg = 0x30, - .reg_shift = 4, - .ops = &tegra_bus_ops, - .max_rate = 240000000, -}; - -static struct clk tegra_clk_pclk = { - .name = "pclk", - .flags = DIV_BUS, - .parent = &tegra_clk_hclk, - .reg = 0x30, - .reg_shift = 0, - .ops = &tegra_bus_ops, - .max_rate = 120000000, -}; - -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { - {.input = &tegra_pll_a_out0, .value = 0}, - {.input = &tegra_clk_audio_2x, .value = 1}, - {.input = &tegra_pll_p, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_audio, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - {.input = &tegra_clk_32k, .value = 4}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_plld[] = { - { .input = &tegra_pll_d, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pclk[] = { - { .input = &tegra_clk_pclk, .value = 0}, - { NULL, 0}, -}; - -static struct clk tegra_clk_emc = { - .name = "emc", - .ops = &tegra_emc_clk_ops, - .reg = 0x19c, - .max_rate = 800000000, - .inputs = mux_pllm_pllc_pllp_clkm, - .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, - .u.periph = { - .clk_num = 57, - }, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - } - -static struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - /* FIXME: what is la? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - - SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), - SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), - SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), - SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), - SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), - SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), - SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), - SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), - SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), - SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), - SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - } - -/* Some clocks may be used by different drivers depending on the board - * configuration. List those here to register them twice in the clock lookup - * table under two names. - */ -static struct clk_duplicate tegra_clk_duplicates[] = { - CLK_DUPLICATE("uarta", "serial8250.0", NULL), - CLK_DUPLICATE("uartb", "serial8250.1", NULL), - CLK_DUPLICATE("uartc", "serial8250.2", NULL), - CLK_DUPLICATE("uartd", "serial8250.3", NULL), - CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), - CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), - CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), - CLK_DUPLICATE("epp", "tegra_grhost", "epp"), - CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), - CLK_DUPLICATE("cop", "tegra-avp", "cop"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), -}; - -#define CLK(dev, con, ck) \ - { \ - .dev_id = dev, \ - .con_id = con, \ - .clk = ck, \ - } - -static struct clk *tegra_ptr_clks[] = { - &tegra_clk_32k, - &tegra_pll_s, - &tegra_clk_m, - &tegra_pll_m, - &tegra_pll_m_out1, - &tegra_pll_c, - &tegra_pll_c_out1, - &tegra_pll_p, - &tegra_pll_p_out1, - &tegra_pll_p_out2, - &tegra_pll_p_out3, - &tegra_pll_p_out4, - &tegra_pll_a, - &tegra_pll_a_out0, - &tegra_pll_d, - &tegra_pll_d_out0, - &tegra_pll_u, - &tegra_pll_x, - &tegra_pll_e, - &tegra_clk_cclk, - &tegra_clk_sclk, - &tegra_clk_hclk, - &tegra_clk_pclk, - &tegra_clk_d, - &tegra_clk_cdev1, - &tegra_clk_cdev2, - &tegra_clk_virtual_cpu, - &tegra_clk_blink, - &tegra_clk_cop, - &tegra_clk_emc, -}; - -static void tegra2_init_one_clock(struct clk *c) -{ - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); -} - -void __init tegra2_init_clocks(void) -{ - int i; - struct clk *c; - - for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) - tegra2_init_one_clock(tegra_ptr_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra2_init_one_clock(&tegra_list_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); - if (!c) { - pr_err("%s: Unknown duplicate clock %s\n", __func__, - tegra_clk_duplicates[i].name); - continue; - } - - tegra_clk_duplicates[i].lookup.clk = c; - clkdev_add(&tegra_clk_duplicates[i].lookup); - } - - init_audio_sync_clock_mux(); -} - -#ifdef CONFIG_PM -static u32 clk_rst_suspend[RST_DEVICES_NUM + CLK_OUT_ENB_NUM + - PERIPH_CLK_SOURCE_NUM + 22]; - -void tegra_clk_suspend(void) -{ - unsigned long off, i; - u32 *ctx = clk_rst_suspend; - - *ctx++ = clk_readl(OSC_CTRL) & OSC_CTRL_MASK; - *ctx++ = clk_readl(tegra_pll_c.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); - *ctx++ = clk_readl(tegra_pll_a.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); - *ctx++ = clk_readl(tegra_pll_s.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); - *ctx++ = clk_readl(tegra_pll_d.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); - *ctx++ = clk_readl(tegra_pll_u.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); - - *ctx++ = clk_readl(tegra_pll_m_out1.reg); - *ctx++ = clk_readl(tegra_pll_a_out0.reg); - *ctx++ = clk_readl(tegra_pll_c_out1.reg); - - *ctx++ = clk_readl(tegra_clk_cclk.reg); - *ctx++ = clk_readl(tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); - - *ctx++ = clk_readl(tegra_clk_sclk.reg); - *ctx++ = clk_readl(tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); - *ctx++ = clk_readl(tegra_clk_pclk.reg); - - *ctx++ = clk_readl(tegra_clk_audio.reg); - - for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; - off += 4) { - if (off == PERIPH_CLK_SOURCE_EMC) - continue; - *ctx++ = clk_readl(off); - } - - off = RST_DEVICES; - for (i = 0; i < RST_DEVICES_NUM; i++, off += 4) - *ctx++ = clk_readl(off); - - off = CLK_OUT_ENB; - for (i = 0; i < CLK_OUT_ENB_NUM; i++, off += 4) - *ctx++ = clk_readl(off); - - *ctx++ = clk_readl(MISC_CLK_ENB); - *ctx++ = clk_readl(CLK_MASK_ARM); - - BUG_ON(ctx - clk_rst_suspend != ARRAY_SIZE(clk_rst_suspend)); -} - -void tegra_clk_resume(void) -{ - unsigned long off, i; - const u32 *ctx = clk_rst_suspend; - u32 val; - - val = clk_readl(OSC_CTRL) & ~OSC_CTRL_MASK; - val |= *ctx++; - clk_writel(val, OSC_CTRL); - - clk_writel(*ctx++, tegra_pll_c.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); - clk_writel(*ctx++, tegra_pll_a.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); - clk_writel(*ctx++, tegra_pll_s.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); - clk_writel(*ctx++, tegra_pll_d.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); - clk_writel(*ctx++, tegra_pll_u.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); - udelay(1000); - - clk_writel(*ctx++, tegra_pll_m_out1.reg); - clk_writel(*ctx++, tegra_pll_a_out0.reg); - clk_writel(*ctx++, tegra_pll_c_out1.reg); - - clk_writel(*ctx++, tegra_clk_cclk.reg); - clk_writel(*ctx++, tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); - - clk_writel(*ctx++, tegra_clk_sclk.reg); - clk_writel(*ctx++, tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); - clk_writel(*ctx++, tegra_clk_pclk.reg); - - clk_writel(*ctx++, tegra_clk_audio.reg); - - /* enable all clocks before configuring clock sources */ - clk_writel(0xbffffff9ul, CLK_OUT_ENB); - clk_writel(0xfefffff7ul, CLK_OUT_ENB + 4); - clk_writel(0x77f01bfful, CLK_OUT_ENB + 8); - wmb(); - - for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; - off += 4) { - if (off == PERIPH_CLK_SOURCE_EMC) - continue; - clk_writel(*ctx++, off); - } - wmb(); - - off = RST_DEVICES; - for (i = 0; i < RST_DEVICES_NUM; i++, off += 4) - clk_writel(*ctx++, off); - wmb(); - - off = CLK_OUT_ENB; - for (i = 0; i < CLK_OUT_ENB_NUM; i++, off += 4) - clk_writel(*ctx++, off); - wmb(); - - clk_writel(*ctx++, MISC_CLK_ENB); - clk_writel(*ctx++, CLK_MASK_ARM); -} -#endif -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad Move clock initialization data to separate file. This is required for migrating to generic clock framework if static initialization is used. TODO: Add clock suspend/resume support Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/tegra20_clocks.h | 37 + arch/arm/mach-tegra/tegra20_clocks_data.c | 945 +++++++++++++++++++++++++ arch/arm/mach-tegra/tegra2_clocks.c | 1062 +---------------------------- 4 files changed, 999 insertions(+), 1046 deletions(-) create mode 100644 arch/arm/mach-tegra/tegra20_clocks.h create mode 100644 arch/arm/mach-tegra/tegra20_clocks_data.c diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index f17528a..141bf4b 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -12,6 +12,7 @@ obj-y += powergate.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_CPU_IDLE) += sleep.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_clocks.o +obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20_clocks_data.o obj-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra2_emc.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks.o obj-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30_clocks_data.o diff --git a/arch/arm/mach-tegra/tegra20_clocks.h b/arch/arm/mach-tegra/tegra20_clocks.h new file mode 100644 index 0000000..167058c --- /dev/null +++ b/arch/arm/mach-tegra/tegra20_clocks.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MACH_TEGRA20_CLOCK_H +#define __MACH_TEGRA20_CLOCK_H + +extern struct clk_ops tegra_pll_ops; +extern struct clk_ops tegra_clk_m_ops; +extern struct clk_ops tegra_pll_div_ops; +extern struct clk_ops tegra_pllx_ops; +extern struct clk_ops tegra_plle_ops; +extern struct clk_ops tegra_clk_double_ops; +extern struct clk_ops tegra_cdev_clk_ops; +extern struct clk_ops tegra_audio_sync_clk_ops; +extern struct clk_ops tegra_super_ops; +extern struct clk_ops tegra_cpu_ops; +extern struct clk_ops tegra_cop_ops; +extern struct clk_ops tegra_bus_ops; +extern struct clk_ops tegra_blink_clk_ops; +extern struct clk_ops tegra_emc_clk_ops; +extern struct clk_ops tegra_periph_clk_ops; +extern struct clk_ops tegra_clk_shared_bus_ops; + +#endif diff --git a/arch/arm/mach-tegra/tegra20_clocks_data.c b/arch/arm/mach-tegra/tegra20_clocks_data.c new file mode 100644 index 0000000..8d0f019 --- /dev/null +++ b/arch/arm/mach-tegra/tegra20_clocks_data.c @@ -0,0 +1,945 @@ +/* + * arch/arm/mach-tegra/tegra2_clocks.c + * + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Colin Cross <ccross@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/clkdev.h> +#include <linux/clk.h> + +#include <mach/iomap.h> +#include <mach/suspend.h> + +#include "clock.h" +#include "fuse.h" +#include "tegra2_emc.h" +#include "tegra20_clocks.h" + +/* Clock definitions */ +static struct clk tegra_clk_32k = { + .name = "clk_32k", + .rate = 32768, + .ops = NULL, + .max_rate = 32768, +}; + +static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { + {32768, 12000000, 366, 1, 1, 0}, + {32768, 13000000, 397, 1, 1, 0}, + {32768, 19200000, 586, 1, 1, 0}, + {32768, 26000000, 793, 1, 1, 0}, + {0, 0, 0, 0, 0, 0}, +}; + +static struct clk tegra_pll_s = { + .name = "pll_s", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra_pll_ops, + .parent = &tegra_clk_32k, + .max_rate = 26000000, + .reg = 0xf0, + .u.pll = { + .input_min = 32768, + .input_max = 32768, + .cf_min = 0, /* FIXME */ + .cf_max = 0, /* FIXME */ + .vco_min = 12000000, + .vco_max = 26000000, + .freq_table = tegra_pll_s_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_mux_sel tegra_clk_m_sel[] = { + { .input = &tegra_clk_32k, .value = 0}, + { .input = &tegra_pll_s, .value = 1}, + { NULL , 0}, +}; + +static struct clk tegra_clk_m = { + .name = "clk_m", + .flags = ENABLE_ON_INIT, + .ops = &tegra_clk_m_ops, + .inputs = tegra_clk_m_sel, + .reg = 0x1fc, + .reg_shift = 28, + .max_rate = 26000000, +}; + +static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { + { 12000000, 600000000, 600, 12, 1, 8 }, + { 13000000, 600000000, 600, 13, 1, 8 }, + { 19200000, 600000000, 500, 16, 1, 6 }, + { 26000000, 600000000, 600, 26, 1, 8 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_c = { + .name = "pll_c", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0x80, + .parent = &tegra_clk_m, + .max_rate = 600000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_c_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_c_out1 = { + .name = "pll_c_out1", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_c, + .reg = 0x84, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { + { 12000000, 666000000, 666, 12, 1, 8}, + { 13000000, 666000000, 666, 13, 1, 8}, + { 19200000, 666000000, 555, 16, 1, 8}, + { 26000000, 666000000, 666, 26, 1, 8}, + { 12000000, 600000000, 600, 12, 1, 8}, + { 13000000, 600000000, 600, 13, 1, 8}, + { 19200000, 600000000, 375, 12, 1, 6}, + { 26000000, 600000000, 600, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_m = { + .name = "pll_m", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0x90, + .parent = &tegra_clk_m, + .max_rate = 800000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_m_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_m_out1 = { + .name = "pll_m_out1", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_m, + .reg = 0x94, + .reg_shift = 0, + .max_rate = 600000000, +}; + +static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { + { 12000000, 216000000, 432, 12, 2, 8}, + { 13000000, 216000000, 432, 13, 2, 8}, + { 19200000, 216000000, 90, 4, 2, 1}, + { 26000000, 216000000, 432, 26, 2, 8}, + { 12000000, 432000000, 432, 12, 1, 8}, + { 13000000, 432000000, 432, 13, 1, 8}, + { 19200000, 432000000, 90, 4, 1, 1}, + { 26000000, 432000000, 432, 26, 1, 8}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_p = { + .name = "pll_p", + .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0xa0, + .parent = &tegra_clk_m, + .max_rate = 432000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_p_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_p_out1 = { + .name = "pll_p_out1", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out2 = { + .name = "pll_p_out2", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa4, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out3 = { + .name = "pll_p_out3", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 0, + .max_rate = 432000000, +}; + +static struct clk tegra_pll_p_out4 = { + .name = "pll_p_out4", + .ops = &tegra_pll_div_ops, + .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, + .parent = &tegra_pll_p, + .reg = 0xa8, + .reg_shift = 16, + .max_rate = 432000000, +}; + +static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { + { 28800000, 56448000, 49, 25, 1, 1}, + { 28800000, 73728000, 64, 25, 1, 1}, + { 28800000, 24000000, 5, 6, 1, 1}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_a = { + .name = "pll_a", + .flags = PLL_HAS_CPCON, + .ops = &tegra_pll_ops, + .reg = 0xb0, + .parent = &tegra_pll_p_out1, + .max_rate = 73728000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1400000000, + .freq_table = tegra_pll_a_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk tegra_pll_a_out0 = { + .name = "pll_a_out0", + .ops = &tegra_pll_div_ops, + .flags = DIV_U71, + .parent = &tegra_pll_a, + .reg = 0xb4, + .reg_shift = 0, + .max_rate = 73728000, +}; + +static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { + { 12000000, 216000000, 216, 12, 1, 4}, + { 13000000, 216000000, 216, 13, 1, 4}, + { 19200000, 216000000, 135, 12, 1, 3}, + { 26000000, 216000000, 216, 26, 1, 4}, + + { 12000000, 594000000, 594, 12, 1, 8}, + { 13000000, 594000000, 594, 13, 1, 8}, + { 19200000, 594000000, 495, 16, 1, 8}, + { 26000000, 594000000, 594, 26, 1, 8}, + + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_d = { + .name = "pll_d", + .flags = PLL_HAS_CPCON | PLLD, + .ops = &tegra_pll_ops, + .reg = 0xd0, + .parent = &tegra_clk_m, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 40000000, + .vco_max = 1000000000, + .freq_table = tegra_pll_d_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk tegra_pll_d_out0 = { + .name = "pll_d_out0", + .ops = &tegra_pll_div_ops, + .flags = DIV_2 | PLLD, + .parent = &tegra_pll_d, + .max_rate = 500000000, +}; + +static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { + { 12000000, 480000000, 960, 12, 2, 0}, + { 13000000, 480000000, 960, 13, 2, 0}, + { 19200000, 480000000, 200, 4, 2, 0}, + { 26000000, 480000000, 960, 26, 2, 0}, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_u = { + .name = "pll_u", + .flags = PLLU, + .ops = &tegra_pll_ops, + .reg = 0xc0, + .parent = &tegra_clk_m, + .max_rate = 480000000, + .u.pll = { + .input_min = 2000000, + .input_max = 40000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 480000000, + .vco_max = 960000000, + .freq_table = tegra_pll_u_freq_table, + .lock_delay = 1000, + }, +}; + +static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { + /* 1 GHz */ + { 12000000, 1000000000, 1000, 12, 1, 12}, + { 13000000, 1000000000, 1000, 13, 1, 12}, + { 19200000, 1000000000, 625, 12, 1, 8}, + { 26000000, 1000000000, 1000, 26, 1, 12}, + + /* 912 MHz */ + { 12000000, 912000000, 912, 12, 1, 12}, + { 13000000, 912000000, 912, 13, 1, 12}, + { 19200000, 912000000, 760, 16, 1, 8}, + { 26000000, 912000000, 912, 26, 1, 12}, + + /* 816 MHz */ + { 12000000, 816000000, 816, 12, 1, 12}, + { 13000000, 816000000, 816, 13, 1, 12}, + { 19200000, 816000000, 680, 16, 1, 8}, + { 26000000, 816000000, 816, 26, 1, 12}, + + /* 760 MHz */ + { 12000000, 760000000, 760, 12, 1, 12}, + { 13000000, 760000000, 760, 13, 1, 12}, + { 19200000, 760000000, 950, 24, 1, 8}, + { 26000000, 760000000, 760, 26, 1, 12}, + + /* 750 MHz */ + { 12000000, 750000000, 750, 12, 1, 12}, + { 13000000, 750000000, 750, 13, 1, 12}, + { 19200000, 750000000, 625, 16, 1, 8}, + { 26000000, 750000000, 750, 26, 1, 12}, + + /* 608 MHz */ + { 12000000, 608000000, 608, 12, 1, 12}, + { 13000000, 608000000, 608, 13, 1, 12}, + { 19200000, 608000000, 380, 12, 1, 8}, + { 26000000, 608000000, 608, 26, 1, 12}, + + /* 456 MHz */ + { 12000000, 456000000, 456, 12, 1, 12}, + { 13000000, 456000000, 456, 13, 1, 12}, + { 19200000, 456000000, 380, 16, 1, 8}, + { 26000000, 456000000, 456, 26, 1, 12}, + + /* 312 MHz */ + { 12000000, 312000000, 312, 12, 1, 12}, + { 13000000, 312000000, 312, 13, 1, 12}, + { 19200000, 312000000, 260, 16, 1, 8}, + { 26000000, 312000000, 312, 26, 1, 12}, + + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_x = { + .name = "pll_x", + .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, + .ops = &tegra_pllx_ops, + .reg = 0xe0, + .parent = &tegra_clk_m, + .max_rate = 1000000000, + .u.pll = { + .input_min = 2000000, + .input_max = 31000000, + .cf_min = 1000000, + .cf_max = 6000000, + .vco_min = 20000000, + .vco_max = 1200000000, + .freq_table = tegra_pll_x_freq_table, + .lock_delay = 300, + }, +}; + +static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { + { 12000000, 100000000, 200, 24, 1, 0 }, + { 0, 0, 0, 0, 0, 0 }, +}; + +static struct clk tegra_pll_e = { + .name = "pll_e", + .flags = PLL_ALT_MISC_REG, + .ops = &tegra_plle_ops, + .parent = &tegra_clk_m, + .reg = 0xe8, + .max_rate = 100000000, + .u.pll = { + .input_min = 12000000, + .input_max = 12000000, + .freq_table = tegra_pll_e_freq_table, + }, +}; + +static struct clk tegra_clk_d = { + .name = "clk_d", + .flags = PERIPH_NO_RESET, + .ops = &tegra_clk_double_ops, + .reg = 0x34, + .reg_shift = 12, + .parent = &tegra_clk_m, + .max_rate = 52000000, + .u.periph = { + .clk_num = 90, + }, +}; + +/* dap_mclk1, belongs to the cdev1 pingroup. */ +static struct clk tegra_clk_cdev1 = { + .name = "cdev1", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 94, + }, +}; + +/* dap_mclk2, belongs to the cdev2 pingroup. */ +static struct clk tegra_clk_cdev2 = { + .name = "cdev2", + .ops = &tegra_cdev_clk_ops, + .rate = 26000000, + .max_rate = 26000000, + .u.periph = { + .clk_num = 93, + }, +}; + +/* initialized before peripheral clocks */ +static struct clk_mux_sel mux_audio_sync_clk[8+1]; +static const struct audio_sources { + const char *name; + int value; +} mux_audio_sync_clk_sources[] = { + { .name = "spdif_in", .value = 0 }, + { .name = "i2s1", .value = 1 }, + { .name = "i2s2", .value = 2 }, + { .name = "pll_a_out0", .value = 4 }, +#if 0 /* FIXME: not implemented */ + { .name = "ac97", .value = 3 }, + { .name = "ext_audio_clk2", .value = 5 }, + { .name = "ext_audio_clk1", .value = 6 }, + { .name = "ext_vimclk", .value = 7 }, +#endif + { NULL, 0 } +}; + +static struct clk tegra_clk_audio = { + .name = "audio", + .inputs = mux_audio_sync_clk, + .reg = 0x38, + .max_rate = 73728000, + .ops = &tegra_audio_sync_clk_ops +}; + +static struct clk tegra_clk_audio_2x = { + .name = "audio_2x", + .flags = PERIPH_NO_RESET, + .max_rate = 48000000, + .ops = &tegra_clk_double_ops, + .reg = 0x34, + .reg_shift = 8, + .parent = &tegra_clk_audio, + .u.periph = { + .clk_num = 89, + }, +}; + +static struct clk_lookup tegra_audio_clk_lookups[] = { + { .con_id = "audio", .clk = &tegra_clk_audio }, + { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } +}; + +/* This is called after peripheral clocks are initialized, as the + * audio_sync clock depends on some of the peripheral clocks. + */ + +static void init_audio_sync_clock_mux(void) +{ + int i; + struct clk_mux_sel *sel = mux_audio_sync_clk; + const struct audio_sources *src = mux_audio_sync_clk_sources; + struct clk_lookup *lookup; + + for (i = 0; src->name; i++, sel++, src++) { + sel->input = tegra_get_clock_by_name(src->name); + if (!sel->input) + pr_err("%s: could not find clk %s\n", __func__, + src->name); + sel->value = src->value; + } + + lookup = tegra_audio_clk_lookups; + for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { + clk_init(lookup->clk); + clkdev_add(lookup); + } +} + +static struct clk_mux_sel mux_cclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_clk_32k, .value = 2}, + { .input = &tegra_pll_m, .value = 3}, + { .input = &tegra_pll_p, .value = 4}, + { .input = &tegra_pll_p_out4, .value = 5}, + { .input = &tegra_pll_p_out3, .value = 6}, + { .input = &tegra_clk_d, .value = 7}, + { .input = &tegra_pll_x, .value = 8}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_sclk[] = { + { .input = &tegra_clk_m, .value = 0}, + { .input = &tegra_pll_c_out1, .value = 1}, + { .input = &tegra_pll_p_out4, .value = 2}, + { .input = &tegra_pll_p_out3, .value = 3}, + { .input = &tegra_pll_p_out2, .value = 4}, + { .input = &tegra_clk_d, .value = 5}, + { .input = &tegra_clk_32k, .value = 6}, + { .input = &tegra_pll_m_out1, .value = 7}, + { NULL, 0}, +}; + +static struct clk tegra_clk_cclk = { + .name = "cclk", + .inputs = mux_cclk, + .reg = 0x20, + .ops = &tegra_super_ops, + .max_rate = 1000000000, +}; + +static struct clk tegra_clk_sclk = { + .name = "sclk", + .inputs = mux_sclk, + .reg = 0x28, + .ops = &tegra_super_ops, + .max_rate = 240000000, + .min_rate = 120000000, +}; + +static struct clk tegra_clk_virtual_cpu = { + .name = "cpu", + .parent = &tegra_clk_cclk, + .ops = &tegra_cpu_ops, + .max_rate = 1000000000, + .u.cpu = { + .main = &tegra_pll_x, + .backup = &tegra_pll_p, + }, +}; + +static struct clk tegra_clk_cop = { + .name = "cop", + .parent = &tegra_clk_sclk, + .ops = &tegra_cop_ops, + .max_rate = 240000000, +}; + +static struct clk tegra_clk_hclk = { + .name = "hclk", + .flags = DIV_BUS, + .parent = &tegra_clk_sclk, + .reg = 0x30, + .reg_shift = 4, + .ops = &tegra_bus_ops, + .max_rate = 240000000, +}; + +static struct clk tegra_clk_pclk = { + .name = "pclk", + .flags = DIV_BUS, + .parent = &tegra_clk_hclk, + .reg = 0x30, + .reg_shift = 0, + .ops = &tegra_bus_ops, + .max_rate = 120000000, +}; + +static struct clk tegra_clk_blink = { + .name = "blink", + .parent = &tegra_clk_32k, + .reg = 0x40, + .ops = &tegra_blink_clk_ops, + .max_rate = 32768, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_pll_a_out0, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { + { .input = &tegra_pll_m, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_p, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { + { .input = &tegra_pll_p, .value = 0}, + { .input = &tegra_pll_c, .value = 1}, + { .input = &tegra_pll_m, .value = 2}, + { .input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { + {.input = &tegra_pll_a_out0, .value = 0}, + {.input = &tegra_clk_audio_2x, .value = 1}, + {.input = &tegra_pll_p, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_d_out0, .value = 1}, + {.input = &tegra_pll_c, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_clk_audio, .value = 2}, + {.input = &tegra_clk_m, .value = 3}, + {.input = &tegra_clk_32k, .value = 4}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_pllc_pllm[] = { + {.input = &tegra_pll_p, .value = 0}, + {.input = &tegra_pll_c, .value = 1}, + {.input = &tegra_pll_m, .value = 2}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_clk_m[] = { + { .input = &tegra_clk_m, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pllp_out3[] = { + { .input = &tegra_pll_p_out3, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_plld[] = { + { .input = &tegra_pll_d, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_clk_32k[] = { + { .input = &tegra_clk_32k, .value = 0}, + { NULL, 0}, +}; + +static struct clk_mux_sel mux_pclk[] = { + { .input = &tegra_clk_pclk, .value = 0}, + { NULL, 0}, +}; + +static struct clk tegra_clk_emc = { + .name = "emc", + .ops = &tegra_emc_clk_ops, + .reg = 0x19c, + .max_rate = 800000000, + .inputs = mux_pllm_pllc_pllp_clkm, + .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, + .u.periph = { + .clk_num = 57, + }, +}; + +#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_periph_clk_ops, \ + .reg = _reg, \ + .inputs = _inputs, \ + .flags = _flags, \ + .max_rate = _max, \ + .u.periph = { \ + .clk_num = _clk_num, \ + }, \ + } + +#define SHARED_CLK(_name, _dev, _con, _parent) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + .ops = &tegra_clk_shared_bus_ops, \ + .parent = _parent, \ + } + +static struct clk tegra_list_clks[] = { + PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), + PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), + PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), + PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), + PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), + PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), + PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), + PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ + /* FIXME: what is la? */ + PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), + PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ + PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), + PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), + PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ + PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ + PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ + PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ + PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ + PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ + PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ + PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), + PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ + PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), + PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), + + SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), + SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), + SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), + SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), + SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), + SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), + SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), + SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), + SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), + SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), + SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), +}; + +#define CLK_DUPLICATE(_name, _dev, _con) \ + { \ + .name = _name, \ + .lookup = { \ + .dev_id = _dev, \ + .con_id = _con, \ + }, \ + } + +/* Some clocks may be used by different drivers depending on the board + * configuration. List those here to register them twice in the clock lookup + * table under two names. + */ +static struct clk_duplicate tegra_clk_duplicates[] = { + CLK_DUPLICATE("uarta", "serial8250.0", NULL), + CLK_DUPLICATE("uartb", "serial8250.1", NULL), + CLK_DUPLICATE("uartc", "serial8250.2", NULL), + CLK_DUPLICATE("uartd", "serial8250.3", NULL), + CLK_DUPLICATE("uarte", "serial8250.4", NULL), + CLK_DUPLICATE("usbd", "utmip-pad", NULL), + CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), + CLK_DUPLICATE("usbd", "tegra-otg", NULL), + CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), + CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), + CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), + CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), + CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), + CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), + CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), + CLK_DUPLICATE("epp", "tegra_grhost", "epp"), + CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), + CLK_DUPLICATE("cop", "tegra-avp", "cop"), + CLK_DUPLICATE("vde", "tegra-aes", "vde"), +}; + +#define CLK(dev, con, ck) \ + { \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ + } + +static struct clk *tegra_ptr_clks[] = { + &tegra_clk_32k, + &tegra_pll_s, + &tegra_clk_m, + &tegra_pll_m, + &tegra_pll_m_out1, + &tegra_pll_c, + &tegra_pll_c_out1, + &tegra_pll_p, + &tegra_pll_p_out1, + &tegra_pll_p_out2, + &tegra_pll_p_out3, + &tegra_pll_p_out4, + &tegra_pll_a, + &tegra_pll_a_out0, + &tegra_pll_d, + &tegra_pll_d_out0, + &tegra_pll_u, + &tegra_pll_x, + &tegra_pll_e, + &tegra_clk_cclk, + &tegra_clk_sclk, + &tegra_clk_hclk, + &tegra_clk_pclk, + &tegra_clk_d, + &tegra_clk_cdev1, + &tegra_clk_cdev2, + &tegra_clk_virtual_cpu, + &tegra_clk_blink, + &tegra_clk_cop, + &tegra_clk_emc, +}; + +static void tegra2_init_one_clock(struct clk *c) +{ + clk_init(c); + INIT_LIST_HEAD(&c->shared_bus_list); + if (!c->lookup.dev_id && !c->lookup.con_id) + c->lookup.con_id = c->name; + c->lookup.clk = c; + clkdev_add(&c->lookup); +} + +void __init tegra2_init_clocks(void) +{ + int i; + struct clk *c; + + for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) + tegra2_init_one_clock(tegra_ptr_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) + tegra2_init_one_clock(&tegra_list_clks[i]); + + for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { + c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); + if (!c) { + pr_err("%s: Unknown duplicate clock %s\n", __func__, + tegra_clk_duplicates[i].name); + continue; + } + + tegra_clk_duplicates[i].lookup.clk = c; + clkdev_add(&tegra_clk_duplicates[i].lookup); + } + + init_audio_sync_clock_mux(); +} diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c index b79cb93..cf7782f 100644 --- a/arch/arm/mach-tegra/tegra2_clocks.c +++ b/arch/arm/mach-tegra/tegra2_clocks.c @@ -272,7 +272,7 @@ static void tegra2_clk_m_disable(struct clk *c) BUG(); } -static struct clk_ops tegra_clk_m_ops = { +struct clk_ops tegra_clk_m_ops = { .init = tegra2_clk_m_init, .enable = tegra2_clk_m_enable, .disable = tegra2_clk_m_disable, @@ -362,7 +362,7 @@ static int tegra2_super_clk_set_rate(struct clk *c, unsigned long rate) return clk_set_rate(c->parent, rate); } -static struct clk_ops tegra_super_ops = { +struct clk_ops tegra_super_ops = { .init = tegra2_super_clk_init, .enable = tegra2_super_clk_enable, .disable = tegra2_super_clk_disable, @@ -429,7 +429,7 @@ out: return ret; } -static struct clk_ops tegra_cpu_ops = { +struct clk_ops tegra_cpu_ops = { .init = tegra2_cpu_clk_init, .enable = tegra2_cpu_clk_enable, .disable = tegra2_cpu_clk_disable, @@ -446,7 +446,7 @@ static void tegra2_cop_clk_reset(struct clk *c, bool assert) clk_writel(1 << 1, reg); } -static struct clk_ops tegra_cop_ops = { +struct clk_ops tegra_cop_ops = { .reset = tegra2_cop_clk_reset, }; @@ -517,7 +517,7 @@ static int tegra2_bus_clk_set_rate(struct clk *c, unsigned long rate) return ret; } -static struct clk_ops tegra_bus_ops = { +struct clk_ops tegra_bus_ops = { .init = tegra2_bus_clk_init, .enable = tegra2_bus_clk_enable, .disable = tegra2_bus_clk_disable, @@ -599,7 +599,7 @@ static int tegra2_blink_clk_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_blink_clk_ops = { +struct clk_ops tegra_blink_clk_ops = { .init = &tegra2_blink_clk_init, .enable = &tegra2_blink_clk_enable, .disable = &tegra2_blink_clk_disable, @@ -709,7 +709,7 @@ static int tegra2_pll_clk_set_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_ops = { +struct clk_ops tegra_pll_ops = { .init = tegra2_pll_clk_init, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, @@ -724,7 +724,7 @@ static void tegra2_pllx_clk_init(struct clk *c) c->max_rate = 750000000; } -static struct clk_ops tegra_pllx_ops = { +struct clk_ops tegra_pllx_ops = { .init = tegra2_pllx_clk_init, .enable = tegra2_pll_clk_enable, .disable = tegra2_pll_clk_disable, @@ -750,7 +750,7 @@ static int tegra2_plle_clk_enable(struct clk *c) return 0; } -static struct clk_ops tegra_plle_ops = { +struct clk_ops tegra_plle_ops = { .init = tegra2_pll_clk_init, .enable = tegra2_plle_clk_enable, .set_rate = tegra2_pll_clk_set_rate, @@ -893,7 +893,7 @@ static long tegra2_pll_div_clk_round_rate(struct clk *c, unsigned long rate) return -EINVAL; } -static struct clk_ops tegra_pll_div_ops = { +struct clk_ops tegra_pll_div_ops = { .init = tegra2_pll_div_clk_init, .enable = tegra2_pll_div_clk_enable, .disable = tegra2_pll_div_clk_disable, @@ -1104,7 +1104,7 @@ static long tegra2_periph_clk_round_rate(struct clk *c, return -EINVAL; } -static struct clk_ops tegra_periph_clk_ops = { +struct clk_ops tegra_periph_clk_ops = { .init = &tegra2_periph_clk_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1193,7 +1193,7 @@ static int tegra2_emc_clk_set_rate(struct clk *c, unsigned long rate) return ret; } -static struct clk_ops tegra_emc_clk_ops = { +struct clk_ops tegra_emc_clk_ops = { .init = &tegra2_emc_clk_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1227,7 +1227,7 @@ static int tegra2_clk_double_set_rate(struct clk *c, unsigned long rate) return 0; } -static struct clk_ops tegra_clk_double_ops = { +struct clk_ops tegra_clk_double_ops = { .init = &tegra2_clk_double_init, .enable = &tegra2_periph_clk_enable, .disable = &tegra2_periph_clk_disable, @@ -1286,7 +1286,7 @@ static int tegra2_audio_sync_clk_set_parent(struct clk *c, struct clk *p) return -EINVAL; } -static struct clk_ops tegra_audio_sync_clk_ops = { +struct clk_ops tegra_audio_sync_clk_ops = { .init = tegra2_audio_sync_clk_init, .enable = tegra2_audio_sync_clk_enable, .disable = tegra2_audio_sync_clk_disable, @@ -1325,7 +1325,7 @@ static void tegra2_cdev_clk_disable(struct clk *c) CLK_OUT_ENB_CLR + PERIPH_CLK_TO_ENB_SET_REG(c)); } -static struct clk_ops tegra_cdev_clk_ops = { +struct clk_ops tegra_cdev_clk_ops = { .init = &tegra2_cdev_clk_init, .enable = &tegra2_cdev_clk_enable, .disable = &tegra2_cdev_clk_disable, @@ -1425,1040 +1425,10 @@ static void tegra_clk_shared_bus_disable(struct clk *c) spin_unlock_irqrestore(&c->parent->spinlock, flags); } -static struct clk_ops tegra_clk_shared_bus_ops = { +struct clk_ops tegra_clk_shared_bus_ops = { .init = tegra_clk_shared_bus_init, .enable = tegra_clk_shared_bus_enable, .disable = tegra_clk_shared_bus_disable, .set_rate = tegra_clk_shared_bus_set_rate, .round_rate = tegra_clk_shared_bus_round_rate, }; - - -/* Clock definitions */ -static struct clk tegra_clk_32k = { - .name = "clk_32k", - .rate = 32768, - .ops = NULL, - .max_rate = 32768, -}; - -static struct clk_pll_freq_table tegra_pll_s_freq_table[] = { - {32768, 12000000, 366, 1, 1, 0}, - {32768, 13000000, 397, 1, 1, 0}, - {32768, 19200000, 586, 1, 1, 0}, - {32768, 26000000, 793, 1, 1, 0}, - {0, 0, 0, 0, 0, 0}, -}; - -static struct clk tegra_pll_s = { - .name = "pll_s", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_pll_ops, - .parent = &tegra_clk_32k, - .max_rate = 26000000, - .reg = 0xf0, - .u.pll = { - .input_min = 32768, - .input_max = 32768, - .cf_min = 0, /* FIXME */ - .cf_max = 0, /* FIXME */ - .vco_min = 12000000, - .vco_max = 26000000, - .freq_table = tegra_pll_s_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk_mux_sel tegra_clk_m_sel[] = { - { .input = &tegra_clk_32k, .value = 0}, - { .input = &tegra_pll_s, .value = 1}, - { NULL , 0}, -}; - -static struct clk tegra_clk_m = { - .name = "clk_m", - .flags = ENABLE_ON_INIT, - .ops = &tegra_clk_m_ops, - .inputs = tegra_clk_m_sel, - .reg = 0x1fc, - .reg_shift = 28, - .max_rate = 26000000, -}; - -static struct clk_pll_freq_table tegra_pll_c_freq_table[] = { - { 12000000, 600000000, 600, 12, 1, 8 }, - { 13000000, 600000000, 600, 13, 1, 8 }, - { 19200000, 600000000, 500, 16, 1, 6 }, - { 26000000, 600000000, 600, 26, 1, 8 }, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_c = { - .name = "pll_c", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x80, - .parent = &tegra_clk_m, - .max_rate = 600000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_c_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_c_out1 = { - .name = "pll_c_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_c, - .reg = 0x84, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_m_freq_table[] = { - { 12000000, 666000000, 666, 12, 1, 8}, - { 13000000, 666000000, 666, 13, 1, 8}, - { 19200000, 666000000, 555, 16, 1, 8}, - { 26000000, 666000000, 666, 26, 1, 8}, - { 12000000, 600000000, 600, 12, 1, 8}, - { 13000000, 600000000, 600, 13, 1, 8}, - { 19200000, 600000000, 375, 12, 1, 6}, - { 26000000, 600000000, 600, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_m = { - .name = "pll_m", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0x90, - .parent = &tegra_clk_m, - .max_rate = 800000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_m_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_m_out1 = { - .name = "pll_m_out1", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_m, - .reg = 0x94, - .reg_shift = 0, - .max_rate = 600000000, -}; - -static struct clk_pll_freq_table tegra_pll_p_freq_table[] = { - { 12000000, 216000000, 432, 12, 2, 8}, - { 13000000, 216000000, 432, 13, 2, 8}, - { 19200000, 216000000, 90, 4, 2, 1}, - { 26000000, 216000000, 432, 26, 2, 8}, - { 12000000, 432000000, 432, 12, 1, 8}, - { 13000000, 432000000, 432, 13, 1, 8}, - { 19200000, 432000000, 90, 4, 1, 1}, - { 26000000, 432000000, 432, 26, 1, 8}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_p = { - .name = "pll_p", - .flags = ENABLE_ON_INIT | PLL_FIXED | PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xa0, - .parent = &tegra_clk_m, - .max_rate = 432000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_p_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_p_out1 = { - .name = "pll_p_out1", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out2 = { - .name = "pll_p_out2", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa4, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out3 = { - .name = "pll_p_out3", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 0, - .max_rate = 432000000, -}; - -static struct clk tegra_pll_p_out4 = { - .name = "pll_p_out4", - .ops = &tegra_pll_div_ops, - .flags = ENABLE_ON_INIT | DIV_U71 | DIV_U71_FIXED, - .parent = &tegra_pll_p, - .reg = 0xa8, - .reg_shift = 16, - .max_rate = 432000000, -}; - -static struct clk_pll_freq_table tegra_pll_a_freq_table[] = { - { 28800000, 56448000, 49, 25, 1, 1}, - { 28800000, 73728000, 64, 25, 1, 1}, - { 28800000, 24000000, 5, 6, 1, 1}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_a = { - .name = "pll_a", - .flags = PLL_HAS_CPCON, - .ops = &tegra_pll_ops, - .reg = 0xb0, - .parent = &tegra_pll_p_out1, - .max_rate = 73728000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1400000000, - .freq_table = tegra_pll_a_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk tegra_pll_a_out0 = { - .name = "pll_a_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_U71, - .parent = &tegra_pll_a, - .reg = 0xb4, - .reg_shift = 0, - .max_rate = 73728000, -}; - -static struct clk_pll_freq_table tegra_pll_d_freq_table[] = { - { 12000000, 216000000, 216, 12, 1, 4}, - { 13000000, 216000000, 216, 13, 1, 4}, - { 19200000, 216000000, 135, 12, 1, 3}, - { 26000000, 216000000, 216, 26, 1, 4}, - - { 12000000, 594000000, 594, 12, 1, 8}, - { 13000000, 594000000, 594, 13, 1, 8}, - { 19200000, 594000000, 495, 16, 1, 8}, - { 26000000, 594000000, 594, 26, 1, 8}, - - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_d = { - .name = "pll_d", - .flags = PLL_HAS_CPCON | PLLD, - .ops = &tegra_pll_ops, - .reg = 0xd0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 40000000, - .vco_max = 1000000000, - .freq_table = tegra_pll_d_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk tegra_pll_d_out0 = { - .name = "pll_d_out0", - .ops = &tegra_pll_div_ops, - .flags = DIV_2 | PLLD, - .parent = &tegra_pll_d, - .max_rate = 500000000, -}; - -static struct clk_pll_freq_table tegra_pll_u_freq_table[] = { - { 12000000, 480000000, 960, 12, 2, 0}, - { 13000000, 480000000, 960, 13, 2, 0}, - { 19200000, 480000000, 200, 4, 2, 0}, - { 26000000, 480000000, 960, 26, 2, 0}, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_u = { - .name = "pll_u", - .flags = PLLU, - .ops = &tegra_pll_ops, - .reg = 0xc0, - .parent = &tegra_clk_m, - .max_rate = 480000000, - .u.pll = { - .input_min = 2000000, - .input_max = 40000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 480000000, - .vco_max = 960000000, - .freq_table = tegra_pll_u_freq_table, - .lock_delay = 1000, - }, -}; - -static struct clk_pll_freq_table tegra_pll_x_freq_table[] = { - /* 1 GHz */ - { 12000000, 1000000000, 1000, 12, 1, 12}, - { 13000000, 1000000000, 1000, 13, 1, 12}, - { 19200000, 1000000000, 625, 12, 1, 8}, - { 26000000, 1000000000, 1000, 26, 1, 12}, - - /* 912 MHz */ - { 12000000, 912000000, 912, 12, 1, 12}, - { 13000000, 912000000, 912, 13, 1, 12}, - { 19200000, 912000000, 760, 16, 1, 8}, - { 26000000, 912000000, 912, 26, 1, 12}, - - /* 816 MHz */ - { 12000000, 816000000, 816, 12, 1, 12}, - { 13000000, 816000000, 816, 13, 1, 12}, - { 19200000, 816000000, 680, 16, 1, 8}, - { 26000000, 816000000, 816, 26, 1, 12}, - - /* 760 MHz */ - { 12000000, 760000000, 760, 12, 1, 12}, - { 13000000, 760000000, 760, 13, 1, 12}, - { 19200000, 760000000, 950, 24, 1, 8}, - { 26000000, 760000000, 760, 26, 1, 12}, - - /* 750 MHz */ - { 12000000, 750000000, 750, 12, 1, 12}, - { 13000000, 750000000, 750, 13, 1, 12}, - { 19200000, 750000000, 625, 16, 1, 8}, - { 26000000, 750000000, 750, 26, 1, 12}, - - /* 608 MHz */ - { 12000000, 608000000, 608, 12, 1, 12}, - { 13000000, 608000000, 608, 13, 1, 12}, - { 19200000, 608000000, 380, 12, 1, 8}, - { 26000000, 608000000, 608, 26, 1, 12}, - - /* 456 MHz */ - { 12000000, 456000000, 456, 12, 1, 12}, - { 13000000, 456000000, 456, 13, 1, 12}, - { 19200000, 456000000, 380, 16, 1, 8}, - { 26000000, 456000000, 456, 26, 1, 12}, - - /* 312 MHz */ - { 12000000, 312000000, 312, 12, 1, 12}, - { 13000000, 312000000, 312, 13, 1, 12}, - { 19200000, 312000000, 260, 16, 1, 8}, - { 26000000, 312000000, 312, 26, 1, 12}, - - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_x = { - .name = "pll_x", - .flags = PLL_HAS_CPCON | PLL_ALT_MISC_REG, - .ops = &tegra_pllx_ops, - .reg = 0xe0, - .parent = &tegra_clk_m, - .max_rate = 1000000000, - .u.pll = { - .input_min = 2000000, - .input_max = 31000000, - .cf_min = 1000000, - .cf_max = 6000000, - .vco_min = 20000000, - .vco_max = 1200000000, - .freq_table = tegra_pll_x_freq_table, - .lock_delay = 300, - }, -}; - -static struct clk_pll_freq_table tegra_pll_e_freq_table[] = { - { 12000000, 100000000, 200, 24, 1, 0 }, - { 0, 0, 0, 0, 0, 0 }, -}; - -static struct clk tegra_pll_e = { - .name = "pll_e", - .flags = PLL_ALT_MISC_REG, - .ops = &tegra_plle_ops, - .parent = &tegra_clk_m, - .reg = 0xe8, - .max_rate = 100000000, - .u.pll = { - .input_min = 12000000, - .input_max = 12000000, - .freq_table = tegra_pll_e_freq_table, - }, -}; - -static struct clk tegra_clk_d = { - .name = "clk_d", - .flags = PERIPH_NO_RESET, - .ops = &tegra_clk_double_ops, - .reg = 0x34, - .reg_shift = 12, - .parent = &tegra_clk_m, - .max_rate = 52000000, - .u.periph = { - .clk_num = 90, - }, -}; - -/* dap_mclk1, belongs to the cdev1 pingroup. */ -static struct clk tegra_clk_cdev1 = { - .name = "cdev1", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 94, - }, -}; - -/* dap_mclk2, belongs to the cdev2 pingroup. */ -static struct clk tegra_clk_cdev2 = { - .name = "cdev2", - .ops = &tegra_cdev_clk_ops, - .rate = 26000000, - .max_rate = 26000000, - .u.periph = { - .clk_num = 93, - }, -}; - -/* initialized before peripheral clocks */ -static struct clk_mux_sel mux_audio_sync_clk[8+1]; -static const struct audio_sources { - const char *name; - int value; -} mux_audio_sync_clk_sources[] = { - { .name = "spdif_in", .value = 0 }, - { .name = "i2s1", .value = 1 }, - { .name = "i2s2", .value = 2 }, - { .name = "pll_a_out0", .value = 4 }, -#if 0 /* FIXME: not implemented */ - { .name = "ac97", .value = 3 }, - { .name = "ext_audio_clk2", .value = 5 }, - { .name = "ext_audio_clk1", .value = 6 }, - { .name = "ext_vimclk", .value = 7 }, -#endif - { NULL, 0 } -}; - -static struct clk tegra_clk_audio = { - .name = "audio", - .inputs = mux_audio_sync_clk, - .reg = 0x38, - .max_rate = 73728000, - .ops = &tegra_audio_sync_clk_ops -}; - -static struct clk tegra_clk_audio_2x = { - .name = "audio_2x", - .flags = PERIPH_NO_RESET, - .max_rate = 48000000, - .ops = &tegra_clk_double_ops, - .reg = 0x34, - .reg_shift = 8, - .parent = &tegra_clk_audio, - .u.periph = { - .clk_num = 89, - }, -}; - -static struct clk_lookup tegra_audio_clk_lookups[] = { - { .con_id = "audio", .clk = &tegra_clk_audio }, - { .con_id = "audio_2x", .clk = &tegra_clk_audio_2x } -}; - -/* This is called after peripheral clocks are initialized, as the - * audio_sync clock depends on some of the peripheral clocks. - */ - -static void init_audio_sync_clock_mux(void) -{ - int i; - struct clk_mux_sel *sel = mux_audio_sync_clk; - const struct audio_sources *src = mux_audio_sync_clk_sources; - struct clk_lookup *lookup; - - for (i = 0; src->name; i++, sel++, src++) { - sel->input = tegra_get_clock_by_name(src->name); - if (!sel->input) - pr_err("%s: could not find clk %s\n", __func__, - src->name); - sel->value = src->value; - } - - lookup = tegra_audio_clk_lookups; - for (i = 0; i < ARRAY_SIZE(tegra_audio_clk_lookups); i++, lookup++) { - clk_init(lookup->clk); - clkdev_add(lookup); - } -} - -static struct clk_mux_sel mux_cclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_clk_32k, .value = 2}, - { .input = &tegra_pll_m, .value = 3}, - { .input = &tegra_pll_p, .value = 4}, - { .input = &tegra_pll_p_out4, .value = 5}, - { .input = &tegra_pll_p_out3, .value = 6}, - { .input = &tegra_clk_d, .value = 7}, - { .input = &tegra_pll_x, .value = 8}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_sclk[] = { - { .input = &tegra_clk_m, .value = 0}, - { .input = &tegra_pll_c_out1, .value = 1}, - { .input = &tegra_pll_p_out4, .value = 2}, - { .input = &tegra_pll_p_out3, .value = 3}, - { .input = &tegra_pll_p_out2, .value = 4}, - { .input = &tegra_clk_d, .value = 5}, - { .input = &tegra_clk_32k, .value = 6}, - { .input = &tegra_pll_m_out1, .value = 7}, - { NULL, 0}, -}; - -static struct clk tegra_clk_cclk = { - .name = "cclk", - .inputs = mux_cclk, - .reg = 0x20, - .ops = &tegra_super_ops, - .max_rate = 1000000000, -}; - -static struct clk tegra_clk_sclk = { - .name = "sclk", - .inputs = mux_sclk, - .reg = 0x28, - .ops = &tegra_super_ops, - .max_rate = 240000000, - .min_rate = 120000000, -}; - -static struct clk tegra_clk_virtual_cpu = { - .name = "cpu", - .parent = &tegra_clk_cclk, - .ops = &tegra_cpu_ops, - .max_rate = 1000000000, - .u.cpu = { - .main = &tegra_pll_x, - .backup = &tegra_pll_p, - }, -}; - -static struct clk tegra_clk_cop = { - .name = "cop", - .parent = &tegra_clk_sclk, - .ops = &tegra_cop_ops, - .max_rate = 240000000, -}; - -static struct clk tegra_clk_hclk = { - .name = "hclk", - .flags = DIV_BUS, - .parent = &tegra_clk_sclk, - .reg = 0x30, - .reg_shift = 4, - .ops = &tegra_bus_ops, - .max_rate = 240000000, -}; - -static struct clk tegra_clk_pclk = { - .name = "pclk", - .flags = DIV_BUS, - .parent = &tegra_clk_hclk, - .reg = 0x30, - .reg_shift = 0, - .ops = &tegra_bus_ops, - .max_rate = 120000000, -}; - -static struct clk tegra_clk_blink = { - .name = "blink", - .parent = &tegra_clk_32k, - .reg = 0x40, - .ops = &tegra_blink_clk_ops, - .max_rate = 32768, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_plla[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_pll_a_out0, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllm_pllc_pllp_clkm[] = { - { .input = &tegra_pll_m, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_p, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm_clkm[] = { - { .input = &tegra_pll_p, .value = 0}, - { .input = &tegra_pll_c, .value = 1}, - { .input = &tegra_pll_m, .value = 2}, - { .input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllaout0_audio2x_pllp_clkm[] = { - {.input = &tegra_pll_a_out0, .value = 0}, - {.input = &tegra_clk_audio_2x, .value = 1}, - {.input = &tegra_pll_p, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_plld_pllc_clkm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_d_out0, .value = 1}, - {.input = &tegra_pll_c, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_audio_clkm_clk32[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_clk_audio, .value = 2}, - {.input = &tegra_clk_m, .value = 3}, - {.input = &tegra_clk_32k, .value = 4}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_pllc_pllm[] = { - {.input = &tegra_pll_p, .value = 0}, - {.input = &tegra_pll_c, .value = 1}, - {.input = &tegra_pll_m, .value = 2}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_clk_m[] = { - { .input = &tegra_clk_m, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pllp_out3[] = { - { .input = &tegra_pll_p_out3, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_plld[] = { - { .input = &tegra_pll_d, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_clk_32k[] = { - { .input = &tegra_clk_32k, .value = 0}, - { NULL, 0}, -}; - -static struct clk_mux_sel mux_pclk[] = { - { .input = &tegra_clk_pclk, .value = 0}, - { NULL, 0}, -}; - -static struct clk tegra_clk_emc = { - .name = "emc", - .ops = &tegra_emc_clk_ops, - .reg = 0x19c, - .max_rate = 800000000, - .inputs = mux_pllm_pllc_pllp_clkm, - .flags = MUX | DIV_U71 | PERIPH_EMC_ENB, - .u.periph = { - .clk_num = 57, - }, -}; - -#define PERIPH_CLK(_name, _dev, _con, _clk_num, _reg, _max, _inputs, _flags) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_periph_clk_ops, \ - .reg = _reg, \ - .inputs = _inputs, \ - .flags = _flags, \ - .max_rate = _max, \ - .u.periph = { \ - .clk_num = _clk_num, \ - }, \ - } - -#define SHARED_CLK(_name, _dev, _con, _parent) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - .ops = &tegra_clk_shared_bus_ops, \ - .parent = _parent, \ - } - -static struct clk tegra_list_clks[] = { - PERIPH_CLK("apbdma", "tegra-apbdma", NULL, 34, 0, 108000000, mux_pclk, 0), - PERIPH_CLK("rtc", "rtc-tegra", NULL, 4, 0, 32768, mux_clk_32k, PERIPH_NO_RESET), - PERIPH_CLK("timer", "timer", NULL, 5, 0, 26000000, mux_clk_m, 0), - PERIPH_CLK("i2s1", "tegra20-i2s.0", NULL, 11, 0x100, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("i2s2", "tegra20-i2s.1", NULL, 18, 0x104, 26000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_out", "spdif_out", NULL, 10, 0x108, 100000000, mux_pllaout0_audio2x_pllp_clkm, MUX | DIV_U71), - PERIPH_CLK("spdif_in", "spdif_in", NULL, 10, 0x10c, 100000000, mux_pllp_pllc_pllm, MUX | DIV_U71), - PERIPH_CLK("pwm", "pwm", NULL, 17, 0x110, 432000000, mux_pllp_pllc_audio_clkm_clk32, MUX | DIV_U71), - PERIPH_CLK("spi", "spi", NULL, 43, 0x114, 40000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("xio", "xio", NULL, 45, 0x120, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("twc", "twc", NULL, 16, 0x12c, 150000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc1", "spi_tegra.0", NULL, 41, 0x134, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc2", "spi_tegra.1", NULL, 44, 0x118, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc3", "spi_tegra.2", NULL, 46, 0x11c, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sbc4", "spi_tegra.3", NULL, 68, 0x1b4, 160000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("ide", "ide", NULL, 25, 0x144, 100000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("ndflash", "tegra_nand", NULL, 13, 0x160, 164000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vfir", "vfir", NULL, 7, 0x168, 72000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("sdmmc1", "sdhci-tegra.0", NULL, 14, 0x150, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc2", "sdhci-tegra.1", NULL, 9, 0x154, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc3", "sdhci-tegra.2", NULL, 69, 0x1bc, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("sdmmc4", "sdhci-tegra.3", NULL, 15, 0x164, 52000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("vcp", "tegra-avp", "vcp", 29, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsea", "tegra-avp", "bsea", 62, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("bsev", "tegra-aes", "bsev", 63, 0, 250000000, mux_clk_m, 0), - PERIPH_CLK("vde", "tegra-avp", "vde", 61, 0x1c8, 250000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("csite", "csite", NULL, 73, 0x1d4, 144000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* max rate ??? */ - /* FIXME: what is la? */ - PERIPH_CLK("la", "la", NULL, 76, 0x1f8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("owr", "tegra_w1", NULL, 71, 0x1cc, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), - PERIPH_CLK("nor", "nor", NULL, 42, 0x1d0, 92000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("mipi", "mipi", NULL, 50, 0x174, 60000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U71), /* scales with voltage */ - PERIPH_CLK("i2c1", "tegra-i2c.0", NULL, 12, 0x124, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c2", "tegra-i2c.1", NULL, 54, 0x198, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c3", "tegra-i2c.2", NULL, 67, 0x1b8, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("dvc", "tegra-i2c.3", NULL, 47, 0x128, 26000000, mux_pllp_pllc_pllm_clkm, MUX | DIV_U16), - PERIPH_CLK("i2c1_i2c", "tegra-i2c.0", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c2_i2c", "tegra-i2c.1", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("i2c3_i2c", "tegra-i2c.2", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("dvc_i2c", "tegra-i2c.3", "i2c", 0, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("uarta", "tegra-uart.0", NULL, 6, 0x178, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartb", "tegra-uart.1", NULL, 7, 0x17c, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartc", "tegra-uart.2", NULL, 55, 0x1a0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uartd", "tegra-uart.3", NULL, 65, 0x1c0, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("uarte", "tegra-uart.4", NULL, 66, 0x1c4, 600000000, mux_pllp_pllc_pllm_clkm, MUX), - PERIPH_CLK("3d", "3d", NULL, 24, 0x158, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_MANUAL_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("2d", "2d", NULL, 21, 0x15c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi", "tegra_camera", "vi", 20, 0x148, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("vi_sensor", "tegra_camera", "vi_sensor", 20, 0x1a8, 150000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71 | PERIPH_NO_RESET), /* scales with voltage and process_id */ - PERIPH_CLK("epp", "epp", NULL, 19, 0x16c, 300000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("mpe", "mpe", NULL, 60, 0x170, 250000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("host1x", "host1x", NULL, 28, 0x180, 166000000, mux_pllm_pllc_pllp_plla, MUX | DIV_U71), /* scales with voltage and process_id */ - PERIPH_CLK("cve", "cve", NULL, 49, 0x140, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvo", "tvo", NULL, 49, 0x188, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("hdmi", "hdmi", NULL, 51, 0x18c, 600000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("tvdac", "tvdac", NULL, 53, 0x194, 250000000, mux_pllp_plld_pllc_clkm, MUX | DIV_U71), /* requires min voltage */ - PERIPH_CLK("disp1", "tegradc.0", NULL, 27, 0x138, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("disp2", "tegradc.1", NULL, 26, 0x13c, 600000000, mux_pllp_plld_pllc_clkm, MUX), /* scales with voltage and process_id */ - PERIPH_CLK("usbd", "fsl-tegra-udc", NULL, 22, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb2", "tegra-ehci.1", NULL, 58, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("usb3", "tegra-ehci.2", NULL, 59, 0, 480000000, mux_clk_m, 0), /* requires min voltage */ - PERIPH_CLK("dsi", "dsi", NULL, 48, 0, 500000000, mux_plld, 0), /* scales with voltage */ - PERIPH_CLK("csi", "tegra_camera", "csi", 52, 0, 72000000, mux_pllp_out3, 0), - PERIPH_CLK("isp", "tegra_camera", "isp", 23, 0, 150000000, mux_clk_m, 0), /* same frequency as VI */ - PERIPH_CLK("csus", "tegra_camera", "csus", 92, 0, 150000000, mux_clk_m, PERIPH_NO_RESET), - PERIPH_CLK("pex", NULL, "pex", 70, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("afi", NULL, "afi", 72, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - PERIPH_CLK("pcie_xclk", NULL, "pcie_xclk", 74, 0, 26000000, mux_clk_m, PERIPH_MANUAL_RESET), - - SHARED_CLK("avp.sclk", "tegra-avp", "sclk", &tegra_clk_sclk), - SHARED_CLK("avp.emc", "tegra-avp", "emc", &tegra_clk_emc), - SHARED_CLK("cpu.emc", "cpu", "emc", &tegra_clk_emc), - SHARED_CLK("disp1.emc", "tegradc.0", "emc", &tegra_clk_emc), - SHARED_CLK("disp2.emc", "tegradc.1", "emc", &tegra_clk_emc), - SHARED_CLK("hdmi.emc", "hdmi", "emc", &tegra_clk_emc), - SHARED_CLK("host.emc", "tegra_grhost", "emc", &tegra_clk_emc), - SHARED_CLK("usbd.emc", "fsl-tegra-udc", "emc", &tegra_clk_emc), - SHARED_CLK("usb1.emc", "tegra-ehci.0", "emc", &tegra_clk_emc), - SHARED_CLK("usb2.emc", "tegra-ehci.1", "emc", &tegra_clk_emc), - SHARED_CLK("usb3.emc", "tegra-ehci.2", "emc", &tegra_clk_emc), -}; - -#define CLK_DUPLICATE(_name, _dev, _con) \ - { \ - .name = _name, \ - .lookup = { \ - .dev_id = _dev, \ - .con_id = _con, \ - }, \ - } - -/* Some clocks may be used by different drivers depending on the board - * configuration. List those here to register them twice in the clock lookup - * table under two names. - */ -static struct clk_duplicate tegra_clk_duplicates[] = { - CLK_DUPLICATE("uarta", "serial8250.0", NULL), - CLK_DUPLICATE("uartb", "serial8250.1", NULL), - CLK_DUPLICATE("uartc", "serial8250.2", NULL), - CLK_DUPLICATE("uartd", "serial8250.3", NULL), - CLK_DUPLICATE("uarte", "serial8250.4", NULL), - CLK_DUPLICATE("usbd", "utmip-pad", NULL), - CLK_DUPLICATE("usbd", "tegra-ehci.0", NULL), - CLK_DUPLICATE("usbd", "tegra-otg", NULL), - CLK_DUPLICATE("hdmi", "tegradc.0", "hdmi"), - CLK_DUPLICATE("hdmi", "tegradc.1", "hdmi"), - CLK_DUPLICATE("pwm", "tegra_pwm.0", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.1", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.2", NULL), - CLK_DUPLICATE("pwm", "tegra_pwm.3", NULL), - CLK_DUPLICATE("host1x", "tegra_grhost", "host1x"), - CLK_DUPLICATE("2d", "tegra_grhost", "gr2d"), - CLK_DUPLICATE("3d", "tegra_grhost", "gr3d"), - CLK_DUPLICATE("epp", "tegra_grhost", "epp"), - CLK_DUPLICATE("mpe", "tegra_grhost", "mpe"), - CLK_DUPLICATE("cop", "tegra-avp", "cop"), - CLK_DUPLICATE("vde", "tegra-aes", "vde"), -}; - -#define CLK(dev, con, ck) \ - { \ - .dev_id = dev, \ - .con_id = con, \ - .clk = ck, \ - } - -static struct clk *tegra_ptr_clks[] = { - &tegra_clk_32k, - &tegra_pll_s, - &tegra_clk_m, - &tegra_pll_m, - &tegra_pll_m_out1, - &tegra_pll_c, - &tegra_pll_c_out1, - &tegra_pll_p, - &tegra_pll_p_out1, - &tegra_pll_p_out2, - &tegra_pll_p_out3, - &tegra_pll_p_out4, - &tegra_pll_a, - &tegra_pll_a_out0, - &tegra_pll_d, - &tegra_pll_d_out0, - &tegra_pll_u, - &tegra_pll_x, - &tegra_pll_e, - &tegra_clk_cclk, - &tegra_clk_sclk, - &tegra_clk_hclk, - &tegra_clk_pclk, - &tegra_clk_d, - &tegra_clk_cdev1, - &tegra_clk_cdev2, - &tegra_clk_virtual_cpu, - &tegra_clk_blink, - &tegra_clk_cop, - &tegra_clk_emc, -}; - -static void tegra2_init_one_clock(struct clk *c) -{ - clk_init(c); - INIT_LIST_HEAD(&c->shared_bus_list); - if (!c->lookup.dev_id && !c->lookup.con_id) - c->lookup.con_id = c->name; - c->lookup.clk = c; - clkdev_add(&c->lookup); -} - -void __init tegra2_init_clocks(void) -{ - int i; - struct clk *c; - - for (i = 0; i < ARRAY_SIZE(tegra_ptr_clks); i++) - tegra2_init_one_clock(tegra_ptr_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_list_clks); i++) - tegra2_init_one_clock(&tegra_list_clks[i]); - - for (i = 0; i < ARRAY_SIZE(tegra_clk_duplicates); i++) { - c = tegra_get_clock_by_name(tegra_clk_duplicates[i].name); - if (!c) { - pr_err("%s: Unknown duplicate clock %s\n", __func__, - tegra_clk_duplicates[i].name); - continue; - } - - tegra_clk_duplicates[i].lookup.clk = c; - clkdev_add(&tegra_clk_duplicates[i].lookup); - } - - init_audio_sync_clock_mux(); -} - -#ifdef CONFIG_PM -static u32 clk_rst_suspend[RST_DEVICES_NUM + CLK_OUT_ENB_NUM + - PERIPH_CLK_SOURCE_NUM + 22]; - -void tegra_clk_suspend(void) -{ - unsigned long off, i; - u32 *ctx = clk_rst_suspend; - - *ctx++ = clk_readl(OSC_CTRL) & OSC_CTRL_MASK; - *ctx++ = clk_readl(tegra_pll_c.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); - *ctx++ = clk_readl(tegra_pll_a.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); - *ctx++ = clk_readl(tegra_pll_s.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); - *ctx++ = clk_readl(tegra_pll_d.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); - *ctx++ = clk_readl(tegra_pll_u.reg + PLL_BASE); - *ctx++ = clk_readl(tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); - - *ctx++ = clk_readl(tegra_pll_m_out1.reg); - *ctx++ = clk_readl(tegra_pll_a_out0.reg); - *ctx++ = clk_readl(tegra_pll_c_out1.reg); - - *ctx++ = clk_readl(tegra_clk_cclk.reg); - *ctx++ = clk_readl(tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); - - *ctx++ = clk_readl(tegra_clk_sclk.reg); - *ctx++ = clk_readl(tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); - *ctx++ = clk_readl(tegra_clk_pclk.reg); - - *ctx++ = clk_readl(tegra_clk_audio.reg); - - for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; - off += 4) { - if (off == PERIPH_CLK_SOURCE_EMC) - continue; - *ctx++ = clk_readl(off); - } - - off = RST_DEVICES; - for (i = 0; i < RST_DEVICES_NUM; i++, off += 4) - *ctx++ = clk_readl(off); - - off = CLK_OUT_ENB; - for (i = 0; i < CLK_OUT_ENB_NUM; i++, off += 4) - *ctx++ = clk_readl(off); - - *ctx++ = clk_readl(MISC_CLK_ENB); - *ctx++ = clk_readl(CLK_MASK_ARM); - - BUG_ON(ctx - clk_rst_suspend != ARRAY_SIZE(clk_rst_suspend)); -} - -void tegra_clk_resume(void) -{ - unsigned long off, i; - const u32 *ctx = clk_rst_suspend; - u32 val; - - val = clk_readl(OSC_CTRL) & ~OSC_CTRL_MASK; - val |= *ctx++; - clk_writel(val, OSC_CTRL); - - clk_writel(*ctx++, tegra_pll_c.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_c.reg + PLL_MISC(&tegra_pll_c)); - clk_writel(*ctx++, tegra_pll_a.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_a.reg + PLL_MISC(&tegra_pll_a)); - clk_writel(*ctx++, tegra_pll_s.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_s.reg + PLL_MISC(&tegra_pll_s)); - clk_writel(*ctx++, tegra_pll_d.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_d.reg + PLL_MISC(&tegra_pll_d)); - clk_writel(*ctx++, tegra_pll_u.reg + PLL_BASE); - clk_writel(*ctx++, tegra_pll_u.reg + PLL_MISC(&tegra_pll_u)); - udelay(1000); - - clk_writel(*ctx++, tegra_pll_m_out1.reg); - clk_writel(*ctx++, tegra_pll_a_out0.reg); - clk_writel(*ctx++, tegra_pll_c_out1.reg); - - clk_writel(*ctx++, tegra_clk_cclk.reg); - clk_writel(*ctx++, tegra_clk_cclk.reg + SUPER_CLK_DIVIDER); - - clk_writel(*ctx++, tegra_clk_sclk.reg); - clk_writel(*ctx++, tegra_clk_sclk.reg + SUPER_CLK_DIVIDER); - clk_writel(*ctx++, tegra_clk_pclk.reg); - - clk_writel(*ctx++, tegra_clk_audio.reg); - - /* enable all clocks before configuring clock sources */ - clk_writel(0xbffffff9ul, CLK_OUT_ENB); - clk_writel(0xfefffff7ul, CLK_OUT_ENB + 4); - clk_writel(0x77f01bfful, CLK_OUT_ENB + 8); - wmb(); - - for (off = PERIPH_CLK_SOURCE_I2S1; off <= PERIPH_CLK_SOURCE_OSC; - off += 4) { - if (off == PERIPH_CLK_SOURCE_EMC) - continue; - clk_writel(*ctx++, off); - } - wmb(); - - off = RST_DEVICES; - for (i = 0; i < RST_DEVICES_NUM; i++, off += 4) - clk_writel(*ctx++, off); - wmb(); - - off = CLK_OUT_ENB; - for (i = 0; i < CLK_OUT_ENB_NUM; i++, off += 4) - clk_writel(*ctx++, off); - wmb(); - - clk_writel(*ctx++, MISC_CLK_ENB); - clk_writel(*ctx++, CLK_MASK_ARM); -} -#endif -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
[parent not found: <1340879846-12900-3-git-send-email-pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>]
* Re: [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 17:37 ` Stephen Warren -1 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-28 17:37 UTC (permalink / raw) To: Prashant Gaikwad Cc: mturquette-l0cyMroinI0, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > Move clock initialization data to separate file. This is > required for migrating to generic clock framework if static > initialization is used. > > TODO: Add clock suspend/resume support Is the suspend/resume code something that was present in the existing Tegra clock code? If not, I'd be tempted to just drop that TODO line from the patch description when applying this. ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data @ 2012-06-28 17:37 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-28 17:37 UTC (permalink / raw) To: linux-arm-kernel On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > Move clock initialization data to separate file. This is > required for migrating to generic clock framework if static > initialization is used. > > TODO: Add clock suspend/resume support Is the suspend/resume code something that was present in the existing Tegra clock code? If not, I'd be tempted to just drop that TODO line from the patch description when applying this. ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data @ 2012-06-28 17:37 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-28 17:37 UTC (permalink / raw) To: Prashant Gaikwad Cc: mturquette, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > Move clock initialization data to separate file. This is > required for migrating to generic clock framework if static > initialization is used. > > TODO: Add clock suspend/resume support Is the suspend/resume code something that was present in the existing Tegra clock code? If not, I'd be tempted to just drop that TODO line from the patch description when applying this. ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data 2012-06-28 17:37 ` Stephen Warren (?) @ 2012-06-29 2:06 ` Prashant G -1 siblings, 0 replies; 57+ messages in thread From: Prashant G @ 2012-06-29 2:06 UTC (permalink / raw) To: Stephen Warren Cc: mturquette, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof On Thursday 28 June 2012 11:07 PM, Stephen Warren wrote: > On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >> Move clock initialization data to separate file. This is >> required for migrating to generic clock framework if static >> initialization is used. >> >> TODO: Add clock suspend/resume support > Is the suspend/resume code something that was present in the existing > Tegra clock code? If not, I'd be tempted to just drop that TODO line > from the patch description when applying this. It was there for Tegra20. I am planning to add it as part of suspend/resume support for both Tegra30 and Tegra20. > -- > To unsubscribe from this list: send the line "unsubscribe linux-tegra" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data @ 2012-06-29 2:06 ` Prashant G 0 siblings, 0 replies; 57+ messages in thread From: Prashant G @ 2012-06-29 2:06 UTC (permalink / raw) To: linux-arm-kernel On Thursday 28 June 2012 11:07 PM, Stephen Warren wrote: > On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >> Move clock initialization data to separate file. This is >> required for migrating to generic clock framework if static >> initialization is used. >> >> TODO: Add clock suspend/resume support > Is the suspend/resume code something that was present in the existing > Tegra clock code? If not, I'd be tempted to just drop that TODO line > from the patch description when applying this. It was there for Tegra20. I am planning to add it as part of suspend/resume support for both Tegra30 and Tegra20. > -- > To unsubscribe from this list: send the line "unsubscribe linux-tegra" in > the body of a message to majordomo at vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data @ 2012-06-29 2:06 ` Prashant G 0 siblings, 0 replies; 57+ messages in thread From: Prashant G @ 2012-06-29 2:06 UTC (permalink / raw) To: Stephen Warren Cc: mturquette, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof On Thursday 28 June 2012 11:07 PM, Stephen Warren wrote: > On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >> Move clock initialization data to separate file. This is >> required for migrating to generic clock framework if static >> initialization is used. >> >> TODO: Add clock suspend/resume support > Is the suspend/resume code something that was present in the existing > Tegra clock code? If not, I'd be tempted to just drop that TODO line > from the patch description when applying this. It was there for Tegra20. I am planning to add it as part of suspend/resume support for both Tegra30 and Tegra20. > -- > To unsubscribe from this list: send the line "unsubscribe linux-tegra" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 6/6] ARM: tegra: Remove duplicate code 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 10:37 ` Prashant Gaikwad -1 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren-3lzwWm7+Weoh9ZMKESR00Q, mturquette-l0cyMroinI0 Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w, Prashant Gaikwad Remove Tegra legacy clock framework code. Signed-off-by: Prashant Gaikwad <pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> --- arch/arm/mach-tegra/clock.c | 632 ------------------------------------------ arch/arm/mach-tegra/clock.h | 89 ------ arch/arm/mach-tegra/common.c | 3 - 3 files changed, 0 insertions(+), 724 deletions(-) diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index ef9b494..632133f 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -20,8 +20,6 @@ #include <linux/kernel.h> #include <linux/clk.h> #include <linux/clkdev.h> -#include <linux/debugfs.h> -#include <linux/delay.h> #include <linux/init.h> #include <linux/list.h> #include <linux/module.h> @@ -37,642 +35,13 @@ /* * Locking: * - * Each struct clk has a spinlock. - * - * To avoid AB-BA locking problems, locks must always be traversed from child - * clock to parent clock. For example, when enabling a clock, the clock's lock - * is taken, and then clk_enable is called on the parent, which take's the - * parent clock's lock. There is one exceptions to this ordering: When dumping - * the clock tree through debugfs. In this case, clk_lock_all is called, - * which attemps to iterate through the entire list of clocks and take every - * clock lock. If any call to spin_trylock fails, all locked clocks are - * unlocked, and the process is retried. When all the locks are held, - * the only clock operation that can be called is clk_get_rate_all_locked. - * - * Within a single clock, no clock operation can call another clock operation - * on itself, except for clk_get_rate_locked and clk_set_rate_locked. Any - * clock operation can call any other clock operation on any of it's possible - * parents. - * * An additional mutex, clock_list_lock, is used to protect the list of all * clocks. * - * The clock operations must lock internally to protect against - * read-modify-write on registers that are shared by multiple clocks */ static DEFINE_MUTEX(clock_list_lock); static LIST_HEAD(clocks); -#ifndef CONFIG_COMMON_CLK -struct clk *tegra_get_clock_by_name(const char *name) -{ - struct clk *c; - struct clk *ret = NULL; - mutex_lock(&clock_list_lock); - list_for_each_entry(c, &clocks, node) { - if (strcmp(c->name, name) == 0) { - ret = c; - break; - } - } - mutex_unlock(&clock_list_lock); - return ret; -} - -/* Must be called with c->spinlock held */ -static unsigned long clk_predict_rate_from_parent(struct clk *c, struct clk *p) -{ - u64 rate; - - rate = clk_get_rate(p); - - if (c->mul != 0 && c->div != 0) { - rate *= c->mul; - rate += c->div - 1; /* round up */ - do_div(rate, c->div); - } - - return rate; -} - -/* Must be called with c->spinlock held */ -unsigned long clk_get_rate_locked(struct clk *c) -{ - unsigned long rate; - - if (c->parent) - rate = clk_predict_rate_from_parent(c, c->parent); - else - rate = c->rate; - - return rate; -} - -unsigned long clk_get_rate(struct clk *c) -{ - unsigned long flags; - unsigned long rate; - - spin_lock_irqsave(&c->spinlock, flags); - - rate = clk_get_rate_locked(c); - - spin_unlock_irqrestore(&c->spinlock, flags); - - return rate; -} -EXPORT_SYMBOL(clk_get_rate); - -int clk_reparent(struct clk *c, struct clk *parent) -{ - c->parent = parent; - return 0; -} - -void clk_init(struct clk *c) -{ - spin_lock_init(&c->spinlock); - - if (c->ops && c->ops->init) - c->ops->init(c); - - if (!c->ops || !c->ops->enable) { - c->refcnt++; - c->set = true; - if (c->parent) - c->state = c->parent->state; - else - c->state = ON; - } - - mutex_lock(&clock_list_lock); - list_add(&c->node, &clocks); - mutex_unlock(&clock_list_lock); -} - -int clk_enable(struct clk *c) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (c->refcnt == 0) { - if (c->parent) { - ret = clk_enable(c->parent); - if (ret) - goto out; - } - - if (c->ops && c->ops->enable) { - ret = c->ops->enable(c); - if (ret) { - if (c->parent) - clk_disable(c->parent); - goto out; - } - c->state = ON; - c->set = true; - } - } - c->refcnt++; -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *c) -{ - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (c->refcnt == 0) { - WARN(1, "Attempting to disable clock %s with refcnt 0", c->name); - spin_unlock_irqrestore(&c->spinlock, flags); - return; - } - if (c->refcnt == 1) { - if (c->ops && c->ops->disable) - c->ops->disable(c); - - if (c->parent) - clk_disable(c->parent); - - c->state = OFF; - } - c->refcnt--; - - spin_unlock_irqrestore(&c->spinlock, flags); -} -EXPORT_SYMBOL(clk_disable); - -int clk_set_parent(struct clk *c, struct clk *parent) -{ - int ret; - unsigned long flags; - unsigned long new_rate; - unsigned long old_rate; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->set_parent) { - ret = -ENOSYS; - goto out; - } - - new_rate = clk_predict_rate_from_parent(c, parent); - old_rate = clk_get_rate_locked(c); - - ret = c->ops->set_parent(c, parent); - if (ret) - goto out; - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_set_parent); - -struct clk *clk_get_parent(struct clk *c) -{ - return c->parent; -} -EXPORT_SYMBOL(clk_get_parent); - -int clk_set_rate_locked(struct clk *c, unsigned long rate) -{ - long new_rate; - - if (!c->ops || !c->ops->set_rate) - return -ENOSYS; - - if (rate > c->max_rate) - rate = c->max_rate; - - if (c->ops && c->ops->round_rate) { - new_rate = c->ops->round_rate(c, rate); - - if (new_rate < 0) - return new_rate; - - rate = new_rate; - } - - return c->ops->set_rate(c, rate); -} - -int clk_set_rate(struct clk *c, unsigned long rate) -{ - int ret; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - ret = clk_set_rate_locked(c, rate); - - spin_unlock_irqrestore(&c->spinlock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_set_rate); - - -/* Must be called with clocks lock and all indvidual clock locks held */ -unsigned long clk_get_rate_all_locked(struct clk *c) -{ - u64 rate; - int mul = 1; - int div = 1; - struct clk *p = c; - - while (p) { - c = p; - if (c->mul != 0 && c->div != 0) { - mul *= c->mul; - div *= c->div; - } - p = c->parent; - } - - rate = c->rate; - rate *= mul; - do_div(rate, div); - - return rate; -} - -long clk_round_rate(struct clk *c, unsigned long rate) -{ - unsigned long flags; - long ret; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->round_rate) { - ret = -ENOSYS; - goto out; - } - - if (rate > c->max_rate) - rate = c->max_rate; - - ret = c->ops->round_rate(c, rate); - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_round_rate); - -static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table) -{ - struct clk *c; - struct clk *p; - - int ret = 0; - - c = tegra_get_clock_by_name(table->name); - - if (!c) { - pr_warning("Unable to initialize clock %s\n", - table->name); - return -ENODEV; - } - - if (table->parent) { - p = tegra_get_clock_by_name(table->parent); - if (!p) { - pr_warning("Unable to find parent %s of clock %s\n", - table->parent, table->name); - return -ENODEV; - } - - if (c->parent != p) { - ret = clk_set_parent(c, p); - if (ret) { - pr_warning("Unable to set parent %s of clock %s: %d\n", - table->parent, table->name, ret); - return -EINVAL; - } - } - } - - if (table->rate && table->rate != clk_get_rate(c)) { - ret = clk_set_rate(c, table->rate); - if (ret) { - pr_warning("Unable to set clock %s to rate %lu: %d\n", - table->name, table->rate, ret); - return -EINVAL; - } - } - - if (table->enabled) { - ret = clk_enable(c); - if (ret) { - pr_warning("Unable to enable clock %s: %d\n", - table->name, ret); - return -EINVAL; - } - } - - return 0; -} - -void tegra_clk_init_from_table(struct tegra_clk_init_table *table) -{ - for (; table->name; table++) - tegra_clk_init_one_from_table(table); -} -EXPORT_SYMBOL(tegra_clk_init_from_table); - -void tegra_periph_reset_deassert(struct clk *c) -{ - BUG_ON(!c->ops->reset); - c->ops->reset(c, false); -} -EXPORT_SYMBOL(tegra_periph_reset_deassert); - -void tegra_periph_reset_assert(struct clk *c) -{ - BUG_ON(!c->ops->reset); - c->ops->reset(c, true); -} -EXPORT_SYMBOL(tegra_periph_reset_assert); - -/* Several extended clock configuration bits (e.g., clock routing, clock - * phase control) are included in PLL and peripheral clock source - * registers. */ -int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->clk_cfg_ex) { - ret = -ENOSYS; - goto out; - } - ret = c->ops->clk_cfg_ex(c, p, setting); - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - - return ret; -} - -#ifdef CONFIG_DEBUG_FS - -static int __clk_lock_all_spinlocks(void) -{ - struct clk *c; - - list_for_each_entry(c, &clocks, node) - if (!spin_trylock(&c->spinlock)) - goto unlock_spinlocks; - - return 0; - -unlock_spinlocks: - list_for_each_entry_continue_reverse(c, &clocks, node) - spin_unlock(&c->spinlock); - - return -EAGAIN; -} - -static void __clk_unlock_all_spinlocks(void) -{ - struct clk *c; - - list_for_each_entry_reverse(c, &clocks, node) - spin_unlock(&c->spinlock); -} - -/* - * This function retries until it can take all locks, and may take - * an arbitrarily long time to complete. - * Must be called with irqs enabled, returns with irqs disabled - * Must be called with clock_list_lock held - */ -static void clk_lock_all(void) -{ - int ret; -retry: - local_irq_disable(); - - ret = __clk_lock_all_spinlocks(); - if (ret) - goto failed_spinlocks; - - /* All locks taken successfully, return */ - return; - -failed_spinlocks: - local_irq_enable(); - yield(); - goto retry; -} - -/* - * Unlocks all clocks after a clk_lock_all - * Must be called with irqs disabled, returns with irqs enabled - * Must be called with clock_list_lock held - */ -static void clk_unlock_all(void) -{ - __clk_unlock_all_spinlocks(); - - local_irq_enable(); -} - -static struct dentry *clk_debugfs_root; - - -static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level) -{ - struct clk *child; - const char *state = "uninit"; - char div[8] = {0}; - - if (c->state == ON) - state = "on"; - else if (c->state == OFF) - state = "off"; - - if (c->mul != 0 && c->div != 0) { - if (c->mul > c->div) { - int mul = c->mul / c->div; - int mul2 = (c->mul * 10 / c->div) % 10; - int mul3 = (c->mul * 10) % c->div; - if (mul2 == 0 && mul3 == 0) - snprintf(div, sizeof(div), "x%d", mul); - else if (mul3 == 0) - snprintf(div, sizeof(div), "x%d.%d", mul, mul2); - else - snprintf(div, sizeof(div), "x%d.%d..", mul, mul2); - } else { - snprintf(div, sizeof(div), "%d%s", c->div / c->mul, - (c->div % c->mul) ? ".5" : ""); - } - } - - seq_printf(s, "%*s%c%c%-*s %-6s %-3d %-8s %-10lu\n", - level * 3 + 1, "", - c->rate > c->max_rate ? '!' : ' ', - !c->set ? '*' : ' ', - 30 - level * 3, c->name, - state, c->refcnt, div, clk_get_rate_all_locked(c)); - - list_for_each_entry(child, &clocks, node) { - if (child->parent != c) - continue; - - clock_tree_show_one(s, child, level + 1); - } -} - -static int clock_tree_show(struct seq_file *s, void *data) -{ - struct clk *c; - seq_printf(s, " clock state ref div rate\n"); - seq_printf(s, "--------------------------------------------------------------\n"); - - mutex_lock(&clock_list_lock); - - clk_lock_all(); - - list_for_each_entry(c, &clocks, node) - if (c->parent == NULL) - clock_tree_show_one(s, c, 0); - - clk_unlock_all(); - - mutex_unlock(&clock_list_lock); - return 0; -} - -static int clock_tree_open(struct inode *inode, struct file *file) -{ - return single_open(file, clock_tree_show, inode->i_private); -} - -static const struct file_operations clock_tree_fops = { - .open = clock_tree_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int possible_parents_show(struct seq_file *s, void *data) -{ - struct clk *c = s->private; - int i; - - for (i = 0; c->inputs[i].input; i++) { - char *first = (i == 0) ? "" : " "; - seq_printf(s, "%s%s", first, c->inputs[i].input->name); - } - seq_printf(s, "\n"); - return 0; -} - -static int possible_parents_open(struct inode *inode, struct file *file) -{ - return single_open(file, possible_parents_show, inode->i_private); -} - -static const struct file_operations possible_parents_fops = { - .open = possible_parents_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int clk_debugfs_register_one(struct clk *c) -{ - struct dentry *d; - - d = debugfs_create_dir(c->name, clk_debugfs_root); - if (!d) - return -ENOMEM; - c->dent = d; - - d = debugfs_create_u8("refcnt", S_IRUGO, c->dent, (u8 *)&c->refcnt); - if (!d) - goto err_out; - - d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); - if (!d) - goto err_out; - - d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags); - if (!d) - goto err_out; - - if (c->inputs) { - d = debugfs_create_file("possible_parents", S_IRUGO, c->dent, - c, &possible_parents_fops); - if (!d) - goto err_out; - } - - return 0; - -err_out: - debugfs_remove_recursive(c->dent); - return -ENOMEM; -} - -static int clk_debugfs_register(struct clk *c) -{ - int err; - struct clk *pa = c->parent; - - if (pa && !pa->dent) { - err = clk_debugfs_register(pa); - if (err) - return err; - } - - if (!c->dent) { - err = clk_debugfs_register_one(c); - if (err) - return err; - } - return 0; -} - -int __init tegra_clk_debugfs_init(void) -{ - struct clk *c; - struct dentry *d; - int err = -ENOMEM; - - d = debugfs_create_dir("clock", NULL); - if (!d) - return -ENOMEM; - clk_debugfs_root = d; - - d = debugfs_create_file("clock_tree", S_IRUGO, clk_debugfs_root, NULL, - &clock_tree_fops); - if (!d) - goto err_out; - - list_for_each_entry(c, &clocks, node) { - err = clk_debugfs_register(c); - if (err) - goto err_out; - } - return 0; -err_out: - debugfs_remove_recursive(clk_debugfs_root); - return err; -} -#endif -#else - void tegra_clk_add(struct clk *clk) { struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); @@ -793,4 +162,3 @@ int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) out: return ret; } -#endif /* !CONFIG_COMMON_CLK */ diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index be69ae1..2aa37f5 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -24,7 +24,6 @@ #include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/list.h> -#include <linux/spinlock.h> #include <mach/clk.h> @@ -54,12 +53,8 @@ #define ENABLE_ON_INIT (1 << 28) #define PERIPH_ON_APB (1 << 29) -struct clk; - -#ifdef CONFIG_COMMON_CLK struct clk_tegra; #define to_clk_tegra(_hw) container_of(_hw, struct clk_tegra, hw) -#endif struct clk_mux_sel { struct clk *input; @@ -81,82 +76,6 @@ enum clk_state { OFF, }; -#ifndef CONFIG_COMMON_CLK -struct clk_ops { - void (*init)(struct clk *); - int (*enable)(struct clk *); - void (*disable)(struct clk *); - int (*set_parent)(struct clk *, struct clk *); - int (*set_rate)(struct clk *, unsigned long); - long (*round_rate)(struct clk *, unsigned long); - void (*reset)(struct clk *, bool); - int (*clk_cfg_ex)(struct clk *, - enum tegra_clk_ex_param, u32); -}; - -struct clk { - /* node for master clocks list */ - struct list_head node; /* node for list of all clocks */ - struct clk_lookup lookup; - -#ifdef CONFIG_DEBUG_FS - struct dentry *dent; -#endif - bool set; - struct clk_ops *ops; - unsigned long rate; - unsigned long max_rate; - unsigned long min_rate; - u32 flags; - const char *name; - - u32 refcnt; - enum clk_state state; - struct clk *parent; - u32 div; - u32 mul; - - const struct clk_mux_sel *inputs; - u32 reg; - u32 reg_shift; - - struct list_head shared_bus_list; - - union { - struct { - unsigned int clk_num; - } periph; - struct { - unsigned long input_min; - unsigned long input_max; - unsigned long cf_min; - unsigned long cf_max; - unsigned long vco_min; - unsigned long vco_max; - const struct clk_pll_freq_table *freq_table; - int lock_delay; - unsigned long fixed_rate; - } pll; - struct { - u32 sel; - u32 reg_mask; - } mux; - struct { - struct clk *main; - struct clk *backup; - } cpu; - struct { - struct list_head node; - bool enabled; - unsigned long rate; - } shared_bus_user; - } u; - - spinlock_t spinlock; -}; - -#else - struct clk_tegra { /* node for master clocks list */ struct list_head node; /* node for list of all clocks */ @@ -212,7 +131,6 @@ struct clk_tegra { void (*reset)(struct clk_hw *, bool); int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); }; -#endif /* !CONFIG_COMMON_CLK */ struct clk_duplicate { const char *name; @@ -226,13 +144,6 @@ struct tegra_clk_init_table { bool enabled; }; -#ifndef CONFIG_COMMON_CLK -void clk_init(struct clk *clk); -unsigned long clk_get_rate_locked(struct clk *c); -int clk_set_rate_locked(struct clk *c, unsigned long rate); -int clk_reparent(struct clk *c, struct clk *parent); -#endif /* !CONFIG_COMMON_CLK */ - void tegra_clk_add(struct clk *c); void tegra2_init_clocks(void); void tegra30_init_clocks(void); diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index c91a1b2..71ae0f5 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -149,8 +149,5 @@ void __init tegra30_init_early(void) void __init tegra_init_late(void) { -#ifndef CONFIG_COMMON_CLK - tegra_clk_debugfs_init(); -#endif tegra_powergate_debugfs_init(); } -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 6/6] ARM: tegra: Remove duplicate code @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: linux-arm-kernel Remove Tegra legacy clock framework code. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/clock.c | 632 ------------------------------------------ arch/arm/mach-tegra/clock.h | 89 ------ arch/arm/mach-tegra/common.c | 3 - 3 files changed, 0 insertions(+), 724 deletions(-) diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index ef9b494..632133f 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -20,8 +20,6 @@ #include <linux/kernel.h> #include <linux/clk.h> #include <linux/clkdev.h> -#include <linux/debugfs.h> -#include <linux/delay.h> #include <linux/init.h> #include <linux/list.h> #include <linux/module.h> @@ -37,642 +35,13 @@ /* * Locking: * - * Each struct clk has a spinlock. - * - * To avoid AB-BA locking problems, locks must always be traversed from child - * clock to parent clock. For example, when enabling a clock, the clock's lock - * is taken, and then clk_enable is called on the parent, which take's the - * parent clock's lock. There is one exceptions to this ordering: When dumping - * the clock tree through debugfs. In this case, clk_lock_all is called, - * which attemps to iterate through the entire list of clocks and take every - * clock lock. If any call to spin_trylock fails, all locked clocks are - * unlocked, and the process is retried. When all the locks are held, - * the only clock operation that can be called is clk_get_rate_all_locked. - * - * Within a single clock, no clock operation can call another clock operation - * on itself, except for clk_get_rate_locked and clk_set_rate_locked. Any - * clock operation can call any other clock operation on any of it's possible - * parents. - * * An additional mutex, clock_list_lock, is used to protect the list of all * clocks. * - * The clock operations must lock internally to protect against - * read-modify-write on registers that are shared by multiple clocks */ static DEFINE_MUTEX(clock_list_lock); static LIST_HEAD(clocks); -#ifndef CONFIG_COMMON_CLK -struct clk *tegra_get_clock_by_name(const char *name) -{ - struct clk *c; - struct clk *ret = NULL; - mutex_lock(&clock_list_lock); - list_for_each_entry(c, &clocks, node) { - if (strcmp(c->name, name) == 0) { - ret = c; - break; - } - } - mutex_unlock(&clock_list_lock); - return ret; -} - -/* Must be called with c->spinlock held */ -static unsigned long clk_predict_rate_from_parent(struct clk *c, struct clk *p) -{ - u64 rate; - - rate = clk_get_rate(p); - - if (c->mul != 0 && c->div != 0) { - rate *= c->mul; - rate += c->div - 1; /* round up */ - do_div(rate, c->div); - } - - return rate; -} - -/* Must be called with c->spinlock held */ -unsigned long clk_get_rate_locked(struct clk *c) -{ - unsigned long rate; - - if (c->parent) - rate = clk_predict_rate_from_parent(c, c->parent); - else - rate = c->rate; - - return rate; -} - -unsigned long clk_get_rate(struct clk *c) -{ - unsigned long flags; - unsigned long rate; - - spin_lock_irqsave(&c->spinlock, flags); - - rate = clk_get_rate_locked(c); - - spin_unlock_irqrestore(&c->spinlock, flags); - - return rate; -} -EXPORT_SYMBOL(clk_get_rate); - -int clk_reparent(struct clk *c, struct clk *parent) -{ - c->parent = parent; - return 0; -} - -void clk_init(struct clk *c) -{ - spin_lock_init(&c->spinlock); - - if (c->ops && c->ops->init) - c->ops->init(c); - - if (!c->ops || !c->ops->enable) { - c->refcnt++; - c->set = true; - if (c->parent) - c->state = c->parent->state; - else - c->state = ON; - } - - mutex_lock(&clock_list_lock); - list_add(&c->node, &clocks); - mutex_unlock(&clock_list_lock); -} - -int clk_enable(struct clk *c) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (c->refcnt == 0) { - if (c->parent) { - ret = clk_enable(c->parent); - if (ret) - goto out; - } - - if (c->ops && c->ops->enable) { - ret = c->ops->enable(c); - if (ret) { - if (c->parent) - clk_disable(c->parent); - goto out; - } - c->state = ON; - c->set = true; - } - } - c->refcnt++; -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *c) -{ - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (c->refcnt == 0) { - WARN(1, "Attempting to disable clock %s with refcnt 0", c->name); - spin_unlock_irqrestore(&c->spinlock, flags); - return; - } - if (c->refcnt == 1) { - if (c->ops && c->ops->disable) - c->ops->disable(c); - - if (c->parent) - clk_disable(c->parent); - - c->state = OFF; - } - c->refcnt--; - - spin_unlock_irqrestore(&c->spinlock, flags); -} -EXPORT_SYMBOL(clk_disable); - -int clk_set_parent(struct clk *c, struct clk *parent) -{ - int ret; - unsigned long flags; - unsigned long new_rate; - unsigned long old_rate; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->set_parent) { - ret = -ENOSYS; - goto out; - } - - new_rate = clk_predict_rate_from_parent(c, parent); - old_rate = clk_get_rate_locked(c); - - ret = c->ops->set_parent(c, parent); - if (ret) - goto out; - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_set_parent); - -struct clk *clk_get_parent(struct clk *c) -{ - return c->parent; -} -EXPORT_SYMBOL(clk_get_parent); - -int clk_set_rate_locked(struct clk *c, unsigned long rate) -{ - long new_rate; - - if (!c->ops || !c->ops->set_rate) - return -ENOSYS; - - if (rate > c->max_rate) - rate = c->max_rate; - - if (c->ops && c->ops->round_rate) { - new_rate = c->ops->round_rate(c, rate); - - if (new_rate < 0) - return new_rate; - - rate = new_rate; - } - - return c->ops->set_rate(c, rate); -} - -int clk_set_rate(struct clk *c, unsigned long rate) -{ - int ret; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - ret = clk_set_rate_locked(c, rate); - - spin_unlock_irqrestore(&c->spinlock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_set_rate); - - -/* Must be called with clocks lock and all indvidual clock locks held */ -unsigned long clk_get_rate_all_locked(struct clk *c) -{ - u64 rate; - int mul = 1; - int div = 1; - struct clk *p = c; - - while (p) { - c = p; - if (c->mul != 0 && c->div != 0) { - mul *= c->mul; - div *= c->div; - } - p = c->parent; - } - - rate = c->rate; - rate *= mul; - do_div(rate, div); - - return rate; -} - -long clk_round_rate(struct clk *c, unsigned long rate) -{ - unsigned long flags; - long ret; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->round_rate) { - ret = -ENOSYS; - goto out; - } - - if (rate > c->max_rate) - rate = c->max_rate; - - ret = c->ops->round_rate(c, rate); - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_round_rate); - -static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table) -{ - struct clk *c; - struct clk *p; - - int ret = 0; - - c = tegra_get_clock_by_name(table->name); - - if (!c) { - pr_warning("Unable to initialize clock %s\n", - table->name); - return -ENODEV; - } - - if (table->parent) { - p = tegra_get_clock_by_name(table->parent); - if (!p) { - pr_warning("Unable to find parent %s of clock %s\n", - table->parent, table->name); - return -ENODEV; - } - - if (c->parent != p) { - ret = clk_set_parent(c, p); - if (ret) { - pr_warning("Unable to set parent %s of clock %s: %d\n", - table->parent, table->name, ret); - return -EINVAL; - } - } - } - - if (table->rate && table->rate != clk_get_rate(c)) { - ret = clk_set_rate(c, table->rate); - if (ret) { - pr_warning("Unable to set clock %s to rate %lu: %d\n", - table->name, table->rate, ret); - return -EINVAL; - } - } - - if (table->enabled) { - ret = clk_enable(c); - if (ret) { - pr_warning("Unable to enable clock %s: %d\n", - table->name, ret); - return -EINVAL; - } - } - - return 0; -} - -void tegra_clk_init_from_table(struct tegra_clk_init_table *table) -{ - for (; table->name; table++) - tegra_clk_init_one_from_table(table); -} -EXPORT_SYMBOL(tegra_clk_init_from_table); - -void tegra_periph_reset_deassert(struct clk *c) -{ - BUG_ON(!c->ops->reset); - c->ops->reset(c, false); -} -EXPORT_SYMBOL(tegra_periph_reset_deassert); - -void tegra_periph_reset_assert(struct clk *c) -{ - BUG_ON(!c->ops->reset); - c->ops->reset(c, true); -} -EXPORT_SYMBOL(tegra_periph_reset_assert); - -/* Several extended clock configuration bits (e.g., clock routing, clock - * phase control) are included in PLL and peripheral clock source - * registers. */ -int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->clk_cfg_ex) { - ret = -ENOSYS; - goto out; - } - ret = c->ops->clk_cfg_ex(c, p, setting); - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - - return ret; -} - -#ifdef CONFIG_DEBUG_FS - -static int __clk_lock_all_spinlocks(void) -{ - struct clk *c; - - list_for_each_entry(c, &clocks, node) - if (!spin_trylock(&c->spinlock)) - goto unlock_spinlocks; - - return 0; - -unlock_spinlocks: - list_for_each_entry_continue_reverse(c, &clocks, node) - spin_unlock(&c->spinlock); - - return -EAGAIN; -} - -static void __clk_unlock_all_spinlocks(void) -{ - struct clk *c; - - list_for_each_entry_reverse(c, &clocks, node) - spin_unlock(&c->spinlock); -} - -/* - * This function retries until it can take all locks, and may take - * an arbitrarily long time to complete. - * Must be called with irqs enabled, returns with irqs disabled - * Must be called with clock_list_lock held - */ -static void clk_lock_all(void) -{ - int ret; -retry: - local_irq_disable(); - - ret = __clk_lock_all_spinlocks(); - if (ret) - goto failed_spinlocks; - - /* All locks taken successfully, return */ - return; - -failed_spinlocks: - local_irq_enable(); - yield(); - goto retry; -} - -/* - * Unlocks all clocks after a clk_lock_all - * Must be called with irqs disabled, returns with irqs enabled - * Must be called with clock_list_lock held - */ -static void clk_unlock_all(void) -{ - __clk_unlock_all_spinlocks(); - - local_irq_enable(); -} - -static struct dentry *clk_debugfs_root; - - -static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level) -{ - struct clk *child; - const char *state = "uninit"; - char div[8] = {0}; - - if (c->state == ON) - state = "on"; - else if (c->state == OFF) - state = "off"; - - if (c->mul != 0 && c->div != 0) { - if (c->mul > c->div) { - int mul = c->mul / c->div; - int mul2 = (c->mul * 10 / c->div) % 10; - int mul3 = (c->mul * 10) % c->div; - if (mul2 == 0 && mul3 == 0) - snprintf(div, sizeof(div), "x%d", mul); - else if (mul3 == 0) - snprintf(div, sizeof(div), "x%d.%d", mul, mul2); - else - snprintf(div, sizeof(div), "x%d.%d..", mul, mul2); - } else { - snprintf(div, sizeof(div), "%d%s", c->div / c->mul, - (c->div % c->mul) ? ".5" : ""); - } - } - - seq_printf(s, "%*s%c%c%-*s %-6s %-3d %-8s %-10lu\n", - level * 3 + 1, "", - c->rate > c->max_rate ? '!' : ' ', - !c->set ? '*' : ' ', - 30 - level * 3, c->name, - state, c->refcnt, div, clk_get_rate_all_locked(c)); - - list_for_each_entry(child, &clocks, node) { - if (child->parent != c) - continue; - - clock_tree_show_one(s, child, level + 1); - } -} - -static int clock_tree_show(struct seq_file *s, void *data) -{ - struct clk *c; - seq_printf(s, " clock state ref div rate\n"); - seq_printf(s, "--------------------------------------------------------------\n"); - - mutex_lock(&clock_list_lock); - - clk_lock_all(); - - list_for_each_entry(c, &clocks, node) - if (c->parent == NULL) - clock_tree_show_one(s, c, 0); - - clk_unlock_all(); - - mutex_unlock(&clock_list_lock); - return 0; -} - -static int clock_tree_open(struct inode *inode, struct file *file) -{ - return single_open(file, clock_tree_show, inode->i_private); -} - -static const struct file_operations clock_tree_fops = { - .open = clock_tree_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int possible_parents_show(struct seq_file *s, void *data) -{ - struct clk *c = s->private; - int i; - - for (i = 0; c->inputs[i].input; i++) { - char *first = (i == 0) ? "" : " "; - seq_printf(s, "%s%s", first, c->inputs[i].input->name); - } - seq_printf(s, "\n"); - return 0; -} - -static int possible_parents_open(struct inode *inode, struct file *file) -{ - return single_open(file, possible_parents_show, inode->i_private); -} - -static const struct file_operations possible_parents_fops = { - .open = possible_parents_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int clk_debugfs_register_one(struct clk *c) -{ - struct dentry *d; - - d = debugfs_create_dir(c->name, clk_debugfs_root); - if (!d) - return -ENOMEM; - c->dent = d; - - d = debugfs_create_u8("refcnt", S_IRUGO, c->dent, (u8 *)&c->refcnt); - if (!d) - goto err_out; - - d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); - if (!d) - goto err_out; - - d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags); - if (!d) - goto err_out; - - if (c->inputs) { - d = debugfs_create_file("possible_parents", S_IRUGO, c->dent, - c, &possible_parents_fops); - if (!d) - goto err_out; - } - - return 0; - -err_out: - debugfs_remove_recursive(c->dent); - return -ENOMEM; -} - -static int clk_debugfs_register(struct clk *c) -{ - int err; - struct clk *pa = c->parent; - - if (pa && !pa->dent) { - err = clk_debugfs_register(pa); - if (err) - return err; - } - - if (!c->dent) { - err = clk_debugfs_register_one(c); - if (err) - return err; - } - return 0; -} - -int __init tegra_clk_debugfs_init(void) -{ - struct clk *c; - struct dentry *d; - int err = -ENOMEM; - - d = debugfs_create_dir("clock", NULL); - if (!d) - return -ENOMEM; - clk_debugfs_root = d; - - d = debugfs_create_file("clock_tree", S_IRUGO, clk_debugfs_root, NULL, - &clock_tree_fops); - if (!d) - goto err_out; - - list_for_each_entry(c, &clocks, node) { - err = clk_debugfs_register(c); - if (err) - goto err_out; - } - return 0; -err_out: - debugfs_remove_recursive(clk_debugfs_root); - return err; -} -#endif -#else - void tegra_clk_add(struct clk *clk) { struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); @@ -793,4 +162,3 @@ int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) out: return ret; } -#endif /* !CONFIG_COMMON_CLK */ diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index be69ae1..2aa37f5 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -24,7 +24,6 @@ #include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/list.h> -#include <linux/spinlock.h> #include <mach/clk.h> @@ -54,12 +53,8 @@ #define ENABLE_ON_INIT (1 << 28) #define PERIPH_ON_APB (1 << 29) -struct clk; - -#ifdef CONFIG_COMMON_CLK struct clk_tegra; #define to_clk_tegra(_hw) container_of(_hw, struct clk_tegra, hw) -#endif struct clk_mux_sel { struct clk *input; @@ -81,82 +76,6 @@ enum clk_state { OFF, }; -#ifndef CONFIG_COMMON_CLK -struct clk_ops { - void (*init)(struct clk *); - int (*enable)(struct clk *); - void (*disable)(struct clk *); - int (*set_parent)(struct clk *, struct clk *); - int (*set_rate)(struct clk *, unsigned long); - long (*round_rate)(struct clk *, unsigned long); - void (*reset)(struct clk *, bool); - int (*clk_cfg_ex)(struct clk *, - enum tegra_clk_ex_param, u32); -}; - -struct clk { - /* node for master clocks list */ - struct list_head node; /* node for list of all clocks */ - struct clk_lookup lookup; - -#ifdef CONFIG_DEBUG_FS - struct dentry *dent; -#endif - bool set; - struct clk_ops *ops; - unsigned long rate; - unsigned long max_rate; - unsigned long min_rate; - u32 flags; - const char *name; - - u32 refcnt; - enum clk_state state; - struct clk *parent; - u32 div; - u32 mul; - - const struct clk_mux_sel *inputs; - u32 reg; - u32 reg_shift; - - struct list_head shared_bus_list; - - union { - struct { - unsigned int clk_num; - } periph; - struct { - unsigned long input_min; - unsigned long input_max; - unsigned long cf_min; - unsigned long cf_max; - unsigned long vco_min; - unsigned long vco_max; - const struct clk_pll_freq_table *freq_table; - int lock_delay; - unsigned long fixed_rate; - } pll; - struct { - u32 sel; - u32 reg_mask; - } mux; - struct { - struct clk *main; - struct clk *backup; - } cpu; - struct { - struct list_head node; - bool enabled; - unsigned long rate; - } shared_bus_user; - } u; - - spinlock_t spinlock; -}; - -#else - struct clk_tegra { /* node for master clocks list */ struct list_head node; /* node for list of all clocks */ @@ -212,7 +131,6 @@ struct clk_tegra { void (*reset)(struct clk_hw *, bool); int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); }; -#endif /* !CONFIG_COMMON_CLK */ struct clk_duplicate { const char *name; @@ -226,13 +144,6 @@ struct tegra_clk_init_table { bool enabled; }; -#ifndef CONFIG_COMMON_CLK -void clk_init(struct clk *clk); -unsigned long clk_get_rate_locked(struct clk *c); -int clk_set_rate_locked(struct clk *c, unsigned long rate); -int clk_reparent(struct clk *c, struct clk *parent); -#endif /* !CONFIG_COMMON_CLK */ - void tegra_clk_add(struct clk *c); void tegra2_init_clocks(void); void tegra30_init_clocks(void); diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index c91a1b2..71ae0f5 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -149,8 +149,5 @@ void __init tegra30_init_early(void) void __init tegra_init_late(void) { -#ifndef CONFIG_COMMON_CLK - tegra_clk_debugfs_init(); -#endif tegra_powergate_debugfs_init(); } -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* [PATCH 6/6] ARM: tegra: Remove duplicate code @ 2012-06-28 10:37 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-06-28 10:37 UTC (permalink / raw) To: swarren, mturquette Cc: linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof, Prashant Gaikwad Remove Tegra legacy clock framework code. Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com> --- arch/arm/mach-tegra/clock.c | 632 ------------------------------------------ arch/arm/mach-tegra/clock.h | 89 ------ arch/arm/mach-tegra/common.c | 3 - 3 files changed, 0 insertions(+), 724 deletions(-) diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index ef9b494..632133f 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -20,8 +20,6 @@ #include <linux/kernel.h> #include <linux/clk.h> #include <linux/clkdev.h> -#include <linux/debugfs.h> -#include <linux/delay.h> #include <linux/init.h> #include <linux/list.h> #include <linux/module.h> @@ -37,642 +35,13 @@ /* * Locking: * - * Each struct clk has a spinlock. - * - * To avoid AB-BA locking problems, locks must always be traversed from child - * clock to parent clock. For example, when enabling a clock, the clock's lock - * is taken, and then clk_enable is called on the parent, which take's the - * parent clock's lock. There is one exceptions to this ordering: When dumping - * the clock tree through debugfs. In this case, clk_lock_all is called, - * which attemps to iterate through the entire list of clocks and take every - * clock lock. If any call to spin_trylock fails, all locked clocks are - * unlocked, and the process is retried. When all the locks are held, - * the only clock operation that can be called is clk_get_rate_all_locked. - * - * Within a single clock, no clock operation can call another clock operation - * on itself, except for clk_get_rate_locked and clk_set_rate_locked. Any - * clock operation can call any other clock operation on any of it's possible - * parents. - * * An additional mutex, clock_list_lock, is used to protect the list of all * clocks. * - * The clock operations must lock internally to protect against - * read-modify-write on registers that are shared by multiple clocks */ static DEFINE_MUTEX(clock_list_lock); static LIST_HEAD(clocks); -#ifndef CONFIG_COMMON_CLK -struct clk *tegra_get_clock_by_name(const char *name) -{ - struct clk *c; - struct clk *ret = NULL; - mutex_lock(&clock_list_lock); - list_for_each_entry(c, &clocks, node) { - if (strcmp(c->name, name) == 0) { - ret = c; - break; - } - } - mutex_unlock(&clock_list_lock); - return ret; -} - -/* Must be called with c->spinlock held */ -static unsigned long clk_predict_rate_from_parent(struct clk *c, struct clk *p) -{ - u64 rate; - - rate = clk_get_rate(p); - - if (c->mul != 0 && c->div != 0) { - rate *= c->mul; - rate += c->div - 1; /* round up */ - do_div(rate, c->div); - } - - return rate; -} - -/* Must be called with c->spinlock held */ -unsigned long clk_get_rate_locked(struct clk *c) -{ - unsigned long rate; - - if (c->parent) - rate = clk_predict_rate_from_parent(c, c->parent); - else - rate = c->rate; - - return rate; -} - -unsigned long clk_get_rate(struct clk *c) -{ - unsigned long flags; - unsigned long rate; - - spin_lock_irqsave(&c->spinlock, flags); - - rate = clk_get_rate_locked(c); - - spin_unlock_irqrestore(&c->spinlock, flags); - - return rate; -} -EXPORT_SYMBOL(clk_get_rate); - -int clk_reparent(struct clk *c, struct clk *parent) -{ - c->parent = parent; - return 0; -} - -void clk_init(struct clk *c) -{ - spin_lock_init(&c->spinlock); - - if (c->ops && c->ops->init) - c->ops->init(c); - - if (!c->ops || !c->ops->enable) { - c->refcnt++; - c->set = true; - if (c->parent) - c->state = c->parent->state; - else - c->state = ON; - } - - mutex_lock(&clock_list_lock); - list_add(&c->node, &clocks); - mutex_unlock(&clock_list_lock); -} - -int clk_enable(struct clk *c) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (c->refcnt == 0) { - if (c->parent) { - ret = clk_enable(c->parent); - if (ret) - goto out; - } - - if (c->ops && c->ops->enable) { - ret = c->ops->enable(c); - if (ret) { - if (c->parent) - clk_disable(c->parent); - goto out; - } - c->state = ON; - c->set = true; - } - } - c->refcnt++; -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_enable); - -void clk_disable(struct clk *c) -{ - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (c->refcnt == 0) { - WARN(1, "Attempting to disable clock %s with refcnt 0", c->name); - spin_unlock_irqrestore(&c->spinlock, flags); - return; - } - if (c->refcnt == 1) { - if (c->ops && c->ops->disable) - c->ops->disable(c); - - if (c->parent) - clk_disable(c->parent); - - c->state = OFF; - } - c->refcnt--; - - spin_unlock_irqrestore(&c->spinlock, flags); -} -EXPORT_SYMBOL(clk_disable); - -int clk_set_parent(struct clk *c, struct clk *parent) -{ - int ret; - unsigned long flags; - unsigned long new_rate; - unsigned long old_rate; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->set_parent) { - ret = -ENOSYS; - goto out; - } - - new_rate = clk_predict_rate_from_parent(c, parent); - old_rate = clk_get_rate_locked(c); - - ret = c->ops->set_parent(c, parent); - if (ret) - goto out; - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_set_parent); - -struct clk *clk_get_parent(struct clk *c) -{ - return c->parent; -} -EXPORT_SYMBOL(clk_get_parent); - -int clk_set_rate_locked(struct clk *c, unsigned long rate) -{ - long new_rate; - - if (!c->ops || !c->ops->set_rate) - return -ENOSYS; - - if (rate > c->max_rate) - rate = c->max_rate; - - if (c->ops && c->ops->round_rate) { - new_rate = c->ops->round_rate(c, rate); - - if (new_rate < 0) - return new_rate; - - rate = new_rate; - } - - return c->ops->set_rate(c, rate); -} - -int clk_set_rate(struct clk *c, unsigned long rate) -{ - int ret; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - ret = clk_set_rate_locked(c, rate); - - spin_unlock_irqrestore(&c->spinlock, flags); - - return ret; -} -EXPORT_SYMBOL(clk_set_rate); - - -/* Must be called with clocks lock and all indvidual clock locks held */ -unsigned long clk_get_rate_all_locked(struct clk *c) -{ - u64 rate; - int mul = 1; - int div = 1; - struct clk *p = c; - - while (p) { - c = p; - if (c->mul != 0 && c->div != 0) { - mul *= c->mul; - div *= c->div; - } - p = c->parent; - } - - rate = c->rate; - rate *= mul; - do_div(rate, div); - - return rate; -} - -long clk_round_rate(struct clk *c, unsigned long rate) -{ - unsigned long flags; - long ret; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->round_rate) { - ret = -ENOSYS; - goto out; - } - - if (rate > c->max_rate) - rate = c->max_rate; - - ret = c->ops->round_rate(c, rate); - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - return ret; -} -EXPORT_SYMBOL(clk_round_rate); - -static int tegra_clk_init_one_from_table(struct tegra_clk_init_table *table) -{ - struct clk *c; - struct clk *p; - - int ret = 0; - - c = tegra_get_clock_by_name(table->name); - - if (!c) { - pr_warning("Unable to initialize clock %s\n", - table->name); - return -ENODEV; - } - - if (table->parent) { - p = tegra_get_clock_by_name(table->parent); - if (!p) { - pr_warning("Unable to find parent %s of clock %s\n", - table->parent, table->name); - return -ENODEV; - } - - if (c->parent != p) { - ret = clk_set_parent(c, p); - if (ret) { - pr_warning("Unable to set parent %s of clock %s: %d\n", - table->parent, table->name, ret); - return -EINVAL; - } - } - } - - if (table->rate && table->rate != clk_get_rate(c)) { - ret = clk_set_rate(c, table->rate); - if (ret) { - pr_warning("Unable to set clock %s to rate %lu: %d\n", - table->name, table->rate, ret); - return -EINVAL; - } - } - - if (table->enabled) { - ret = clk_enable(c); - if (ret) { - pr_warning("Unable to enable clock %s: %d\n", - table->name, ret); - return -EINVAL; - } - } - - return 0; -} - -void tegra_clk_init_from_table(struct tegra_clk_init_table *table) -{ - for (; table->name; table++) - tegra_clk_init_one_from_table(table); -} -EXPORT_SYMBOL(tegra_clk_init_from_table); - -void tegra_periph_reset_deassert(struct clk *c) -{ - BUG_ON(!c->ops->reset); - c->ops->reset(c, false); -} -EXPORT_SYMBOL(tegra_periph_reset_deassert); - -void tegra_periph_reset_assert(struct clk *c) -{ - BUG_ON(!c->ops->reset); - c->ops->reset(c, true); -} -EXPORT_SYMBOL(tegra_periph_reset_assert); - -/* Several extended clock configuration bits (e.g., clock routing, clock - * phase control) are included in PLL and peripheral clock source - * registers. */ -int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) -{ - int ret = 0; - unsigned long flags; - - spin_lock_irqsave(&c->spinlock, flags); - - if (!c->ops || !c->ops->clk_cfg_ex) { - ret = -ENOSYS; - goto out; - } - ret = c->ops->clk_cfg_ex(c, p, setting); - -out: - spin_unlock_irqrestore(&c->spinlock, flags); - - return ret; -} - -#ifdef CONFIG_DEBUG_FS - -static int __clk_lock_all_spinlocks(void) -{ - struct clk *c; - - list_for_each_entry(c, &clocks, node) - if (!spin_trylock(&c->spinlock)) - goto unlock_spinlocks; - - return 0; - -unlock_spinlocks: - list_for_each_entry_continue_reverse(c, &clocks, node) - spin_unlock(&c->spinlock); - - return -EAGAIN; -} - -static void __clk_unlock_all_spinlocks(void) -{ - struct clk *c; - - list_for_each_entry_reverse(c, &clocks, node) - spin_unlock(&c->spinlock); -} - -/* - * This function retries until it can take all locks, and may take - * an arbitrarily long time to complete. - * Must be called with irqs enabled, returns with irqs disabled - * Must be called with clock_list_lock held - */ -static void clk_lock_all(void) -{ - int ret; -retry: - local_irq_disable(); - - ret = __clk_lock_all_spinlocks(); - if (ret) - goto failed_spinlocks; - - /* All locks taken successfully, return */ - return; - -failed_spinlocks: - local_irq_enable(); - yield(); - goto retry; -} - -/* - * Unlocks all clocks after a clk_lock_all - * Must be called with irqs disabled, returns with irqs enabled - * Must be called with clock_list_lock held - */ -static void clk_unlock_all(void) -{ - __clk_unlock_all_spinlocks(); - - local_irq_enable(); -} - -static struct dentry *clk_debugfs_root; - - -static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level) -{ - struct clk *child; - const char *state = "uninit"; - char div[8] = {0}; - - if (c->state == ON) - state = "on"; - else if (c->state == OFF) - state = "off"; - - if (c->mul != 0 && c->div != 0) { - if (c->mul > c->div) { - int mul = c->mul / c->div; - int mul2 = (c->mul * 10 / c->div) % 10; - int mul3 = (c->mul * 10) % c->div; - if (mul2 == 0 && mul3 == 0) - snprintf(div, sizeof(div), "x%d", mul); - else if (mul3 == 0) - snprintf(div, sizeof(div), "x%d.%d", mul, mul2); - else - snprintf(div, sizeof(div), "x%d.%d..", mul, mul2); - } else { - snprintf(div, sizeof(div), "%d%s", c->div / c->mul, - (c->div % c->mul) ? ".5" : ""); - } - } - - seq_printf(s, "%*s%c%c%-*s %-6s %-3d %-8s %-10lu\n", - level * 3 + 1, "", - c->rate > c->max_rate ? '!' : ' ', - !c->set ? '*' : ' ', - 30 - level * 3, c->name, - state, c->refcnt, div, clk_get_rate_all_locked(c)); - - list_for_each_entry(child, &clocks, node) { - if (child->parent != c) - continue; - - clock_tree_show_one(s, child, level + 1); - } -} - -static int clock_tree_show(struct seq_file *s, void *data) -{ - struct clk *c; - seq_printf(s, " clock state ref div rate\n"); - seq_printf(s, "--------------------------------------------------------------\n"); - - mutex_lock(&clock_list_lock); - - clk_lock_all(); - - list_for_each_entry(c, &clocks, node) - if (c->parent == NULL) - clock_tree_show_one(s, c, 0); - - clk_unlock_all(); - - mutex_unlock(&clock_list_lock); - return 0; -} - -static int clock_tree_open(struct inode *inode, struct file *file) -{ - return single_open(file, clock_tree_show, inode->i_private); -} - -static const struct file_operations clock_tree_fops = { - .open = clock_tree_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int possible_parents_show(struct seq_file *s, void *data) -{ - struct clk *c = s->private; - int i; - - for (i = 0; c->inputs[i].input; i++) { - char *first = (i == 0) ? "" : " "; - seq_printf(s, "%s%s", first, c->inputs[i].input->name); - } - seq_printf(s, "\n"); - return 0; -} - -static int possible_parents_open(struct inode *inode, struct file *file) -{ - return single_open(file, possible_parents_show, inode->i_private); -} - -static const struct file_operations possible_parents_fops = { - .open = possible_parents_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int clk_debugfs_register_one(struct clk *c) -{ - struct dentry *d; - - d = debugfs_create_dir(c->name, clk_debugfs_root); - if (!d) - return -ENOMEM; - c->dent = d; - - d = debugfs_create_u8("refcnt", S_IRUGO, c->dent, (u8 *)&c->refcnt); - if (!d) - goto err_out; - - d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate); - if (!d) - goto err_out; - - d = debugfs_create_x32("flags", S_IRUGO, c->dent, (u32 *)&c->flags); - if (!d) - goto err_out; - - if (c->inputs) { - d = debugfs_create_file("possible_parents", S_IRUGO, c->dent, - c, &possible_parents_fops); - if (!d) - goto err_out; - } - - return 0; - -err_out: - debugfs_remove_recursive(c->dent); - return -ENOMEM; -} - -static int clk_debugfs_register(struct clk *c) -{ - int err; - struct clk *pa = c->parent; - - if (pa && !pa->dent) { - err = clk_debugfs_register(pa); - if (err) - return err; - } - - if (!c->dent) { - err = clk_debugfs_register_one(c); - if (err) - return err; - } - return 0; -} - -int __init tegra_clk_debugfs_init(void) -{ - struct clk *c; - struct dentry *d; - int err = -ENOMEM; - - d = debugfs_create_dir("clock", NULL); - if (!d) - return -ENOMEM; - clk_debugfs_root = d; - - d = debugfs_create_file("clock_tree", S_IRUGO, clk_debugfs_root, NULL, - &clock_tree_fops); - if (!d) - goto err_out; - - list_for_each_entry(c, &clocks, node) { - err = clk_debugfs_register(c); - if (err) - goto err_out; - } - return 0; -err_out: - debugfs_remove_recursive(clk_debugfs_root); - return err; -} -#endif -#else - void tegra_clk_add(struct clk *clk) { struct clk_tegra *c = to_clk_tegra(__clk_get_hw(clk)); @@ -793,4 +162,3 @@ int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting) out: return ret; } -#endif /* !CONFIG_COMMON_CLK */ diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h index be69ae1..2aa37f5 100644 --- a/arch/arm/mach-tegra/clock.h +++ b/arch/arm/mach-tegra/clock.h @@ -24,7 +24,6 @@ #include <linux/clk-provider.h> #include <linux/clkdev.h> #include <linux/list.h> -#include <linux/spinlock.h> #include <mach/clk.h> @@ -54,12 +53,8 @@ #define ENABLE_ON_INIT (1 << 28) #define PERIPH_ON_APB (1 << 29) -struct clk; - -#ifdef CONFIG_COMMON_CLK struct clk_tegra; #define to_clk_tegra(_hw) container_of(_hw, struct clk_tegra, hw) -#endif struct clk_mux_sel { struct clk *input; @@ -81,82 +76,6 @@ enum clk_state { OFF, }; -#ifndef CONFIG_COMMON_CLK -struct clk_ops { - void (*init)(struct clk *); - int (*enable)(struct clk *); - void (*disable)(struct clk *); - int (*set_parent)(struct clk *, struct clk *); - int (*set_rate)(struct clk *, unsigned long); - long (*round_rate)(struct clk *, unsigned long); - void (*reset)(struct clk *, bool); - int (*clk_cfg_ex)(struct clk *, - enum tegra_clk_ex_param, u32); -}; - -struct clk { - /* node for master clocks list */ - struct list_head node; /* node for list of all clocks */ - struct clk_lookup lookup; - -#ifdef CONFIG_DEBUG_FS - struct dentry *dent; -#endif - bool set; - struct clk_ops *ops; - unsigned long rate; - unsigned long max_rate; - unsigned long min_rate; - u32 flags; - const char *name; - - u32 refcnt; - enum clk_state state; - struct clk *parent; - u32 div; - u32 mul; - - const struct clk_mux_sel *inputs; - u32 reg; - u32 reg_shift; - - struct list_head shared_bus_list; - - union { - struct { - unsigned int clk_num; - } periph; - struct { - unsigned long input_min; - unsigned long input_max; - unsigned long cf_min; - unsigned long cf_max; - unsigned long vco_min; - unsigned long vco_max; - const struct clk_pll_freq_table *freq_table; - int lock_delay; - unsigned long fixed_rate; - } pll; - struct { - u32 sel; - u32 reg_mask; - } mux; - struct { - struct clk *main; - struct clk *backup; - } cpu; - struct { - struct list_head node; - bool enabled; - unsigned long rate; - } shared_bus_user; - } u; - - spinlock_t spinlock; -}; - -#else - struct clk_tegra { /* node for master clocks list */ struct list_head node; /* node for list of all clocks */ @@ -212,7 +131,6 @@ struct clk_tegra { void (*reset)(struct clk_hw *, bool); int (*clk_cfg_ex)(struct clk_hw *, enum tegra_clk_ex_param, u32); }; -#endif /* !CONFIG_COMMON_CLK */ struct clk_duplicate { const char *name; @@ -226,13 +144,6 @@ struct tegra_clk_init_table { bool enabled; }; -#ifndef CONFIG_COMMON_CLK -void clk_init(struct clk *clk); -unsigned long clk_get_rate_locked(struct clk *c); -int clk_set_rate_locked(struct clk *c, unsigned long rate); -int clk_reparent(struct clk *c, struct clk *parent); -#endif /* !CONFIG_COMMON_CLK */ - void tegra_clk_add(struct clk *c); void tegra2_init_clocks(void); void tegra30_init_clocks(void); diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index c91a1b2..71ae0f5 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -149,8 +149,5 @@ void __init tegra30_init_early(void) void __init tegra_init_late(void) { -#ifndef CONFIG_COMMON_CLK - tegra_clk_debugfs_init(); -#endif tegra_powergate_debugfs_init(); } -- 1.7.4.1 ^ permalink raw reply related [flat|nested] 57+ messages in thread
* Re: [PATCH 0/6] Port Tegra to generic clk framework 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-28 17:39 ` Stephen Warren -1 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-28 17:39 UTC (permalink / raw) To: Prashant Gaikwad Cc: mturquette-l0cyMroinI0, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > This patch set ports Tegra clock code to generic clock framework. I've looked at this a bit off-list before, and any issues I had with it have been resolved already. I'll likely apply it to Tegra's for-next in fairly short order unless anyone jumps in with objections to my doing so. This will give it more wide-spread testing. We can always pull it out again if any significant issues are found. ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 0/6] Port Tegra to generic clk framework @ 2012-06-28 17:39 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-28 17:39 UTC (permalink / raw) To: linux-arm-kernel On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > This patch set ports Tegra clock code to generic clock framework. I've looked at this a bit off-list before, and any issues I had with it have been resolved already. I'll likely apply it to Tegra's for-next in fairly short order unless anyone jumps in with objections to my doing so. This will give it more wide-spread testing. We can always pull it out again if any significant issues are found. ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 0/6] Port Tegra to generic clk framework @ 2012-06-28 17:39 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-28 17:39 UTC (permalink / raw) To: Prashant Gaikwad Cc: mturquette, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > This patch set ports Tegra clock code to generic clock framework. I've looked at this a bit off-list before, and any issues I had with it have been resolved already. I'll likely apply it to Tegra's for-next in fairly short order unless anyone jumps in with objections to my doing so. This will give it more wide-spread testing. We can always pull it out again if any significant issues are found. ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 0/6] Port Tegra to generic clk framework 2012-06-28 10:37 ` Prashant Gaikwad (?) @ 2012-06-29 17:24 ` Stephen Warren -1 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-29 17:24 UTC (permalink / raw) To: Prashant Gaikwad Cc: mturquette-l0cyMroinI0, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > This patch set ports Tegra clock code to generic clock framework. > > Depends on > [PATCH v3 0/9] Add clk_prepare/clk_unprepare series > [PATCH] ARM: tegra: Remove second instance of uart clk > [PATCH] dma: tegra: add clk_prepare/clk_unprepare > [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" Prashant, this doesn't apply either to my local development tree (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk branch. Can you please regenerate the series on top of for-3.6/common-clk. Thanks. ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 0/6] Port Tegra to generic clk framework @ 2012-06-29 17:24 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-29 17:24 UTC (permalink / raw) To: linux-arm-kernel On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > This patch set ports Tegra clock code to generic clock framework. > > Depends on > [PATCH v3 0/9] Add clk_prepare/clk_unprepare series > [PATCH] ARM: tegra: Remove second instance of uart clk > [PATCH] dma: tegra: add clk_prepare/clk_unprepare > [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" Prashant, this doesn't apply either to my local development tree (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk branch. Can you please regenerate the series on top of for-3.6/common-clk. Thanks. ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 0/6] Port Tegra to generic clk framework @ 2012-06-29 17:24 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-06-29 17:24 UTC (permalink / raw) To: Prashant Gaikwad Cc: mturquette, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: > This patch set ports Tegra clock code to generic clock framework. > > Depends on > [PATCH v3 0/9] Add clk_prepare/clk_unprepare series > [PATCH] ARM: tegra: Remove second instance of uart clk > [PATCH] dma: tegra: add clk_prepare/clk_unprepare > [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" Prashant, this doesn't apply either to my local development tree (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk branch. Can you please regenerate the series on top of for-3.6/common-clk. Thanks. ^ permalink raw reply [flat|nested] 57+ messages in thread
[parent not found: <4FEDE4B6.4010405-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>]
* Re: [PATCH 0/6] Port Tegra to generic clk framework 2012-06-29 17:24 ` Stephen Warren (?) @ 2012-07-02 18:12 ` Stephen Warren -1 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-07-02 18:12 UTC (permalink / raw) To: Prashant Gaikwad Cc: mturquette-l0cyMroinI0, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w On 06/29/2012 11:24 AM, Stephen Warren wrote: > On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >> This patch set ports Tegra clock code to generic clock framework. >> >> Depends on >> [PATCH v3 0/9] Add clk_prepare/clk_unprepare series >> [PATCH] ARM: tegra: Remove second instance of uart clk >> [PATCH] dma: tegra: add clk_prepare/clk_unprepare >> [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" > > Prashant, this doesn't apply either to my local development tree > (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk > branch. Can you please regenerate the series on top of > for-3.6/common-clk. Thanks. Prashant, I managed to apply the patches to my local tree (although please note I still need a patchset that applies cleanly to common-clk without conflicting with PWM) and it appears to work fine on Tegra30/Cardhu, but fails on Tegra20 (I tested both Ventana and Whistler) with the kernel log below. Does this patch series have any dependencies not in 3.5-rc2, aside from the various patches already in Tegra's for-3.6/common-clk branch? Did you test it on Tegra20? > Uncompressing Linux... done, booting the kernel. > [ 0.000000] Booting Linux on physical CPU 0 > [ 0.000000] Initializing cgroup subsys cpu > [ 0.000000] Linux version 3.5.0-rc5-next-20120702-00018-g87d5256 (swarren@swarren-lx1) (gcc version 4.5.3 (crosstool-NG hg_unknown-Y8jGNvr6ygZCnf0dxYVdog@public.gmane.org) ) #86 S2 > [ 0.000000] CPU: ARMv7 Processor [411fc090] revision 0 (ARMv7), cr=10c5387d > [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache > [ 0.000000] Machine: nVidia Tegra20 (Flattened Device Tree), model: NVIDIA Tegra2 Whistler evaluation board > [ 0.000000] bootconsole [earlycon0] enabled > [ 0.000000] Memory policy: ECC disabled, Data cache writealloc > [ 0.000000] On node 0 totalpages: 131072 > [ 0.000000] free_area_init_node: node 0, pgdat c05f4800, node_mem_map c064a000 > [ 0.000000] Normal zone: 1152 pages used for memmap > [ 0.000000] Normal zone: 0 pages reserved > [ 0.000000] Normal zone: 129920 pages, LIFO batch:31 > [ 0.000000] Tegra Revision: A02 SKU: 7 CPU Process: 0 Core Process: 0 > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] kernel BUG at mm/slab.c:716! > [ 0.000000] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 Not tainted (3.5.0-rc5-next-20120702-00018-g87d5256 #86) > [ 0.000000] PC is at __kmalloc+0xf8/0x144 > [ 0.000000] LR is at __clk_set_parent+0x60/0x1e8 > [ 0.000000] pc : [<c00befd8>] lr : [<c02d780c>] psr: 600001d3 > [ 0.000000] sp : c0599f20 ip : 22222222 fp : 00000000 > [ 0.000000] r10: 00000000 r9 : c05bfdb4 r8 : 3fffffff > [ 0.000000] r7 : c02d780c r6 : c05bfff4 r5 : c05bfc74 r4 : 00000000 > [ 0.000000] r3 : c05d7c60 r2 : c05bfb74 r1 : 000080d0 r0 : 00000020 > [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel > [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 > [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) > [ 0.000000] Stack: (0xc0599f20 to 0xc059a000) > [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 > [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 > [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 > [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 > [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 > [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d > [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 > [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) > [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) > [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) > [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) > [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) > [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) > [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) > [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) > [ 0.000000] Code: e3550000 1a000002 e1a00006 e8bd80f8 (e7f001f2) > [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- > [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! > [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000f00 > [ 0.000000] pgd = c0004000 > [ 0.000000] [00000f00] *pgd=00000000 > [ 0.000000] Internal error: Oops: 805 [#2] PREEMPT SMP ARM > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 Tainted: G D (3.5.0-rc5-next-20120702-00018-g87d5256 #86) > [ 0.000000] PC is at gic_raise_softirq+0x5c/0x70 > [ 0.000000] LR is at gic_raise_softirq+0x3c/0x70 > [ 0.000000] pc : [<c001d504>] lr : [<c001d4e4>] psr: 600001d3 > [ 0.000000] sp : c0599d88 ip : 00000000 fp : 00000000 > [ 0.000000] r10: 00000006 r9 : 600001d3 r8 : 00000001 > [ 0.000000] r7 : c05fe900 r6 : c0599dac r5 : c05b7a90 r4 : 00000006 > [ 0.000000] r3 : 00000000 r2 : 00000004 r1 : 00000004 r0 : 00000004 > [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel > [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 > [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) > [ 0.000000] Stack: (0xc0599d88 to 0xc059a000) > [ 0.000000] 9d80: c001d4a8 000f4240 c05b7220 c0599dac c0598000 c05fe95c > [ 0.000000] 9da0: c04c54bc c0013b28 c0598000 00000000 c05ff8b0 c0598000 0000000b c03ef2e4 > [ 0.000000] 9dc0: 0000000b c0599dec c0598000 c05ba5a0 c0598000 0000000b c0598000 c05fe95c > [ 0.000000] 9de0: c04c54bc c002d70c c04ca7f8 200001d3 c0599df8 00000000 00000000 c05fe958 > [ 0.000000] 9e00: 0000000b c05bb678 c0598000 c0012548 00000000 00000004 c0599ed8 c00befd8 > [ 0.000000] 9e20: c0599f0c 3fffffff c000e9e8 00000000 00000000 c0008380 00000006 c0600210 > [ 0.000000] 9e40: 00000004 00000000 00030001 c00befd8 c0600e28 00000039 00000000 c01db58c > [ 0.000000] 9e60: c0599f78 c0599e70 00000000 c0600e38 0000000f 00000039 c0600e28 c060021f > [ 0.000000] 9e80: c05bbd28 c05ffd10 c0017f98 c0029dfc 000003f0 c05b7220 c04c80cd 00000001 > [ 0.000000] 9ea0: 00000002 c05c0268 c04c7d88 c02d6d34 00000001 c05c00a8 00000003 c05c0268 > [ 0.000000] 9ec0: c04c86dc c00befdc 600001d3 ffffffff c0599f0c c000e9e8 00000020 000080d0 > [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 > [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff > [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 > [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 > [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 > [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 > [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 > [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d > [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 > [ 0.000000] [<c001d504>] (gic_raise_softirq+0x5c/0x70) from [<c0013b28>] (smp_send_stop+0x50/0xb4) > [ 0.000000] [<c0013b28>] (smp_send_stop+0x50/0xb4) from [<c03ef2e4>] (panic+0x94/0x1d8) > [ 0.000000] [<c03ef2e4>] (panic+0x94/0x1d8) from [<c002d70c>] (do_exit+0x2b8/0x328) > [ 0.000000] [<c002d70c>] (do_exit+0x2b8/0x328) from [<c0012548>] (die+0x120/0x19c) > [ 0.000000] [<c0012548>] (die+0x120/0x19c) from [<c0008380>] (do_undefinstr+0x13c/0x160) > [ 0.000000] [<c0008380>] (do_undefinstr+0x13c/0x160) from [<c000e9e8>] (__und_svc+0x48/0x60) > [ 0.000000] Exception stack(0xc0599ed8 to 0xc0599f20) > [ 0.000000] 9ec0: 00000020 000080d0 > [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 > [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff > [ 0.000000] [<c000e9e8>] (__und_svc+0x48/0x60) from [<c00befd8>] (__kmalloc+0xf8/0x144) > [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) > [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) > [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) > [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) > [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) > [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) > [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) > [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) > [ 0.000000] Code: f57ff04f e59f3014 e18a4804 e5933000 (e5834f00) > [ 0.000000] ---[ end trace 1b75b31a2719ed1d ]--- ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 0/6] Port Tegra to generic clk framework @ 2012-07-02 18:12 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-07-02 18:12 UTC (permalink / raw) To: linux-arm-kernel On 06/29/2012 11:24 AM, Stephen Warren wrote: > On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >> This patch set ports Tegra clock code to generic clock framework. >> >> Depends on >> [PATCH v3 0/9] Add clk_prepare/clk_unprepare series >> [PATCH] ARM: tegra: Remove second instance of uart clk >> [PATCH] dma: tegra: add clk_prepare/clk_unprepare >> [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" > > Prashant, this doesn't apply either to my local development tree > (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk > branch. Can you please regenerate the series on top of > for-3.6/common-clk. Thanks. Prashant, I managed to apply the patches to my local tree (although please note I still need a patchset that applies cleanly to common-clk without conflicting with PWM) and it appears to work fine on Tegra30/Cardhu, but fails on Tegra20 (I tested both Ventana and Whistler) with the kernel log below. Does this patch series have any dependencies not in 3.5-rc2, aside from the various patches already in Tegra's for-3.6/common-clk branch? Did you test it on Tegra20? > Uncompressing Linux... done, booting the kernel. > [ 0.000000] Booting Linux on physical CPU 0 > [ 0.000000] Initializing cgroup subsys cpu > [ 0.000000] Linux version 3.5.0-rc5-next-20120702-00018-g87d5256 (swarren at swarren-lx1) (gcc version 4.5.3 (crosstool-NG hg_unknown at 20110628.165246) ) #86 S2 > [ 0.000000] CPU: ARMv7 Processor [411fc090] revision 0 (ARMv7), cr=10c5387d > [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache > [ 0.000000] Machine: nVidia Tegra20 (Flattened Device Tree), model: NVIDIA Tegra2 Whistler evaluation board > [ 0.000000] bootconsole [earlycon0] enabled > [ 0.000000] Memory policy: ECC disabled, Data cache writealloc > [ 0.000000] On node 0 totalpages: 131072 > [ 0.000000] free_area_init_node: node 0, pgdat c05f4800, node_mem_map c064a000 > [ 0.000000] Normal zone: 1152 pages used for memmap > [ 0.000000] Normal zone: 0 pages reserved > [ 0.000000] Normal zone: 129920 pages, LIFO batch:31 > [ 0.000000] Tegra Revision: A02 SKU: 7 CPU Process: 0 Core Process: 0 > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] kernel BUG at mm/slab.c:716! > [ 0.000000] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 Not tainted (3.5.0-rc5-next-20120702-00018-g87d5256 #86) > [ 0.000000] PC is at __kmalloc+0xf8/0x144 > [ 0.000000] LR is at __clk_set_parent+0x60/0x1e8 > [ 0.000000] pc : [<c00befd8>] lr : [<c02d780c>] psr: 600001d3 > [ 0.000000] sp : c0599f20 ip : 22222222 fp : 00000000 > [ 0.000000] r10: 00000000 r9 : c05bfdb4 r8 : 3fffffff > [ 0.000000] r7 : c02d780c r6 : c05bfff4 r5 : c05bfc74 r4 : 00000000 > [ 0.000000] r3 : c05d7c60 r2 : c05bfb74 r1 : 000080d0 r0 : 00000020 > [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel > [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 > [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) > [ 0.000000] Stack: (0xc0599f20 to 0xc059a000) > [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 > [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 > [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 > [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 > [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 > [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d > [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 > [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) > [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) > [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) > [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) > [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) > [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) > [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) > [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) > [ 0.000000] Code: e3550000 1a000002 e1a00006 e8bd80f8 (e7f001f2) > [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- > [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! > [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000f00 > [ 0.000000] pgd = c0004000 > [ 0.000000] [00000f00] *pgd=00000000 > [ 0.000000] Internal error: Oops: 805 [#2] PREEMPT SMP ARM > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 Tainted: G D (3.5.0-rc5-next-20120702-00018-g87d5256 #86) > [ 0.000000] PC is at gic_raise_softirq+0x5c/0x70 > [ 0.000000] LR is at gic_raise_softirq+0x3c/0x70 > [ 0.000000] pc : [<c001d504>] lr : [<c001d4e4>] psr: 600001d3 > [ 0.000000] sp : c0599d88 ip : 00000000 fp : 00000000 > [ 0.000000] r10: 00000006 r9 : 600001d3 r8 : 00000001 > [ 0.000000] r7 : c05fe900 r6 : c0599dac r5 : c05b7a90 r4 : 00000006 > [ 0.000000] r3 : 00000000 r2 : 00000004 r1 : 00000004 r0 : 00000004 > [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel > [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 > [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) > [ 0.000000] Stack: (0xc0599d88 to 0xc059a000) > [ 0.000000] 9d80: c001d4a8 000f4240 c05b7220 c0599dac c0598000 c05fe95c > [ 0.000000] 9da0: c04c54bc c0013b28 c0598000 00000000 c05ff8b0 c0598000 0000000b c03ef2e4 > [ 0.000000] 9dc0: 0000000b c0599dec c0598000 c05ba5a0 c0598000 0000000b c0598000 c05fe95c > [ 0.000000] 9de0: c04c54bc c002d70c c04ca7f8 200001d3 c0599df8 00000000 00000000 c05fe958 > [ 0.000000] 9e00: 0000000b c05bb678 c0598000 c0012548 00000000 00000004 c0599ed8 c00befd8 > [ 0.000000] 9e20: c0599f0c 3fffffff c000e9e8 00000000 00000000 c0008380 00000006 c0600210 > [ 0.000000] 9e40: 00000004 00000000 00030001 c00befd8 c0600e28 00000039 00000000 c01db58c > [ 0.000000] 9e60: c0599f78 c0599e70 00000000 c0600e38 0000000f 00000039 c0600e28 c060021f > [ 0.000000] 9e80: c05bbd28 c05ffd10 c0017f98 c0029dfc 000003f0 c05b7220 c04c80cd 00000001 > [ 0.000000] 9ea0: 00000002 c05c0268 c04c7d88 c02d6d34 00000001 c05c00a8 00000003 c05c0268 > [ 0.000000] 9ec0: c04c86dc c00befdc 600001d3 ffffffff c0599f0c c000e9e8 00000020 000080d0 > [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 > [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff > [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 > [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 > [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 > [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 > [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 > [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d > [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 > [ 0.000000] [<c001d504>] (gic_raise_softirq+0x5c/0x70) from [<c0013b28>] (smp_send_stop+0x50/0xb4) > [ 0.000000] [<c0013b28>] (smp_send_stop+0x50/0xb4) from [<c03ef2e4>] (panic+0x94/0x1d8) > [ 0.000000] [<c03ef2e4>] (panic+0x94/0x1d8) from [<c002d70c>] (do_exit+0x2b8/0x328) > [ 0.000000] [<c002d70c>] (do_exit+0x2b8/0x328) from [<c0012548>] (die+0x120/0x19c) > [ 0.000000] [<c0012548>] (die+0x120/0x19c) from [<c0008380>] (do_undefinstr+0x13c/0x160) > [ 0.000000] [<c0008380>] (do_undefinstr+0x13c/0x160) from [<c000e9e8>] (__und_svc+0x48/0x60) > [ 0.000000] Exception stack(0xc0599ed8 to 0xc0599f20) > [ 0.000000] 9ec0: 00000020 000080d0 > [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 > [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff > [ 0.000000] [<c000e9e8>] (__und_svc+0x48/0x60) from [<c00befd8>] (__kmalloc+0xf8/0x144) > [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) > [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) > [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) > [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) > [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) > [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) > [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) > [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) > [ 0.000000] Code: f57ff04f e59f3014 e18a4804 e5933000 (e5834f00) > [ 0.000000] ---[ end trace 1b75b31a2719ed1d ]--- ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 0/6] Port Tegra to generic clk framework @ 2012-07-02 18:12 ` Stephen Warren 0 siblings, 0 replies; 57+ messages in thread From: Stephen Warren @ 2012-07-02 18:12 UTC (permalink / raw) To: Prashant Gaikwad Cc: mturquette, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof On 06/29/2012 11:24 AM, Stephen Warren wrote: > On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >> This patch set ports Tegra clock code to generic clock framework. >> >> Depends on >> [PATCH v3 0/9] Add clk_prepare/clk_unprepare series >> [PATCH] ARM: tegra: Remove second instance of uart clk >> [PATCH] dma: tegra: add clk_prepare/clk_unprepare >> [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" > > Prashant, this doesn't apply either to my local development tree > (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk > branch. Can you please regenerate the series on top of > for-3.6/common-clk. Thanks. Prashant, I managed to apply the patches to my local tree (although please note I still need a patchset that applies cleanly to common-clk without conflicting with PWM) and it appears to work fine on Tegra30/Cardhu, but fails on Tegra20 (I tested both Ventana and Whistler) with the kernel log below. Does this patch series have any dependencies not in 3.5-rc2, aside from the various patches already in Tegra's for-3.6/common-clk branch? Did you test it on Tegra20? > Uncompressing Linux... done, booting the kernel. > [ 0.000000] Booting Linux on physical CPU 0 > [ 0.000000] Initializing cgroup subsys cpu > [ 0.000000] Linux version 3.5.0-rc5-next-20120702-00018-g87d5256 (swarren@swarren-lx1) (gcc version 4.5.3 (crosstool-NG hg_unknown@20110628.165246) ) #86 S2 > [ 0.000000] CPU: ARMv7 Processor [411fc090] revision 0 (ARMv7), cr=10c5387d > [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache > [ 0.000000] Machine: nVidia Tegra20 (Flattened Device Tree), model: NVIDIA Tegra2 Whistler evaluation board > [ 0.000000] bootconsole [earlycon0] enabled > [ 0.000000] Memory policy: ECC disabled, Data cache writealloc > [ 0.000000] On node 0 totalpages: 131072 > [ 0.000000] free_area_init_node: node 0, pgdat c05f4800, node_mem_map c064a000 > [ 0.000000] Normal zone: 1152 pages used for memmap > [ 0.000000] Normal zone: 0 pages reserved > [ 0.000000] Normal zone: 129920 pages, LIFO batch:31 > [ 0.000000] Tegra Revision: A02 SKU: 7 CPU Process: 0 Core Process: 0 > [ 0.000000] ------------[ cut here ]------------ > [ 0.000000] kernel BUG at mm/slab.c:716! > [ 0.000000] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 Not tainted (3.5.0-rc5-next-20120702-00018-g87d5256 #86) > [ 0.000000] PC is at __kmalloc+0xf8/0x144 > [ 0.000000] LR is at __clk_set_parent+0x60/0x1e8 > [ 0.000000] pc : [<c00befd8>] lr : [<c02d780c>] psr: 600001d3 > [ 0.000000] sp : c0599f20 ip : 22222222 fp : 00000000 > [ 0.000000] r10: 00000000 r9 : c05bfdb4 r8 : 3fffffff > [ 0.000000] r7 : c02d780c r6 : c05bfff4 r5 : c05bfc74 r4 : 00000000 > [ 0.000000] r3 : c05d7c60 r2 : c05bfb74 r1 : 000080d0 r0 : 00000020 > [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel > [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 > [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) > [ 0.000000] Stack: (0xc0599f20 to 0xc059a000) > [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 > [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 > [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 > [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 > [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 > [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d > [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 > [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) > [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) > [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) > [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) > [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) > [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) > [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) > [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) > [ 0.000000] Code: e3550000 1a000002 e1a00006 e8bd80f8 (e7f001f2) > [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- > [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! > [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000f00 > [ 0.000000] pgd = c0004000 > [ 0.000000] [00000f00] *pgd=00000000 > [ 0.000000] Internal error: Oops: 805 [#2] PREEMPT SMP ARM > [ 0.000000] Modules linked in: > [ 0.000000] CPU: 0 Tainted: G D (3.5.0-rc5-next-20120702-00018-g87d5256 #86) > [ 0.000000] PC is at gic_raise_softirq+0x5c/0x70 > [ 0.000000] LR is at gic_raise_softirq+0x3c/0x70 > [ 0.000000] pc : [<c001d504>] lr : [<c001d4e4>] psr: 600001d3 > [ 0.000000] sp : c0599d88 ip : 00000000 fp : 00000000 > [ 0.000000] r10: 00000006 r9 : 600001d3 r8 : 00000001 > [ 0.000000] r7 : c05fe900 r6 : c0599dac r5 : c05b7a90 r4 : 00000006 > [ 0.000000] r3 : 00000000 r2 : 00000004 r1 : 00000004 r0 : 00000004 > [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel > [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 > [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) > [ 0.000000] Stack: (0xc0599d88 to 0xc059a000) > [ 0.000000] 9d80: c001d4a8 000f4240 c05b7220 c0599dac c0598000 c05fe95c > [ 0.000000] 9da0: c04c54bc c0013b28 c0598000 00000000 c05ff8b0 c0598000 0000000b c03ef2e4 > [ 0.000000] 9dc0: 0000000b c0599dec c0598000 c05ba5a0 c0598000 0000000b c0598000 c05fe95c > [ 0.000000] 9de0: c04c54bc c002d70c c04ca7f8 200001d3 c0599df8 00000000 00000000 c05fe958 > [ 0.000000] 9e00: 0000000b c05bb678 c0598000 c0012548 00000000 00000004 c0599ed8 c00befd8 > [ 0.000000] 9e20: c0599f0c 3fffffff c000e9e8 00000000 00000000 c0008380 00000006 c0600210 > [ 0.000000] 9e40: 00000004 00000000 00030001 c00befd8 c0600e28 00000039 00000000 c01db58c > [ 0.000000] 9e60: c0599f78 c0599e70 00000000 c0600e38 0000000f 00000039 c0600e28 c060021f > [ 0.000000] 9e80: c05bbd28 c05ffd10 c0017f98 c0029dfc 000003f0 c05b7220 c04c80cd 00000001 > [ 0.000000] 9ea0: 00000002 c05c0268 c04c7d88 c02d6d34 00000001 c05c00a8 00000003 c05c0268 > [ 0.000000] 9ec0: c04c86dc c00befdc 600001d3 ffffffff c0599f0c c000e9e8 00000020 000080d0 > [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 > [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff > [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 > [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 > [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 > [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 > [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 > [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d > [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 > [ 0.000000] [<c001d504>] (gic_raise_softirq+0x5c/0x70) from [<c0013b28>] (smp_send_stop+0x50/0xb4) > [ 0.000000] [<c0013b28>] (smp_send_stop+0x50/0xb4) from [<c03ef2e4>] (panic+0x94/0x1d8) > [ 0.000000] [<c03ef2e4>] (panic+0x94/0x1d8) from [<c002d70c>] (do_exit+0x2b8/0x328) > [ 0.000000] [<c002d70c>] (do_exit+0x2b8/0x328) from [<c0012548>] (die+0x120/0x19c) > [ 0.000000] [<c0012548>] (die+0x120/0x19c) from [<c0008380>] (do_undefinstr+0x13c/0x160) > [ 0.000000] [<c0008380>] (do_undefinstr+0x13c/0x160) from [<c000e9e8>] (__und_svc+0x48/0x60) > [ 0.000000] Exception stack(0xc0599ed8 to 0xc0599f20) > [ 0.000000] 9ec0: 00000020 000080d0 > [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 > [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff > [ 0.000000] [<c000e9e8>] (__und_svc+0x48/0x60) from [<c00befd8>] (__kmalloc+0xf8/0x144) > [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) > [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) > [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) > [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) > [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) > [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) > [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) > [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) > [ 0.000000] Code: f57ff04f e59f3014 e18a4804 e5933000 (e5834f00) > [ 0.000000] ---[ end trace 1b75b31a2719ed1d ]--- ^ permalink raw reply [flat|nested] 57+ messages in thread
[parent not found: <4FF1E488.9070806-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>]
* Re: [PATCH 0/6] Port Tegra to generic clk framework 2012-07-02 18:12 ` Stephen Warren (?) @ 2012-07-03 11:29 ` Prashant Gaikwad -1 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-07-03 11:29 UTC (permalink / raw) To: Stephen Warren Cc: mturquette-l0cyMroinI0, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, linux-tegra-u79uwXL29TY76Z2rM5mHXA, linux-lFZ/pmaqli7XmaaqVzeoHQ, ccross-z5hGa2qSFaRBDgjK7y7TUQ, olof-nZhT3qVonbNeoWH0uzbU5w On Monday 02 July 2012 11:42 PM, Stephen Warren wrote: > On 06/29/2012 11:24 AM, Stephen Warren wrote: >> On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >>> This patch set ports Tegra clock code to generic clock framework. >>> >>> Depends on >>> [PATCH v3 0/9] Add clk_prepare/clk_unprepare series >>> [PATCH] ARM: tegra: Remove second instance of uart clk >>> [PATCH] dma: tegra: add clk_prepare/clk_unprepare >>> [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" >> Prashant, this doesn't apply either to my local development tree >> (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk >> branch. Can you please regenerate the series on top of >> for-3.6/common-clk. Thanks. > Prashant, > > I managed to apply the patches to my local tree (although please note I > still need a patchset that applies cleanly to common-clk without > conflicting with PWM) and it appears to work fine on Tegra30/Cardhu, but > fails on Tegra20 (I tested both Ventana and Whistler) with the kernel > log below. > > Does this patch series have any dependencies not in 3.5-rc2, aside from > the various patches already in Tegra's for-3.6/common-clk branch? Did > you test it on Tegra20? > I had tested it on Tegra20. I have sent v2 rebased on top of Tegra'2 for-3.6/common-clk. Tested on Tegra30 (Cardhu) and Tegra20 (Ventana). >> Uncompressing Linux... done, booting the kernel. >> [ 0.000000] Booting Linux on physical CPU 0 >> [ 0.000000] Initializing cgroup subsys cpu >> [ 0.000000] Linux version 3.5.0-rc5-next-20120702-00018-g87d5256 (swarren@swarren-lx1) (gcc version 4.5.3 (crosstool-NG hg_unknown-Y8jGNvr6ygZCnf0dxYVdog@public.gmane.org) ) #86 S2 >> [ 0.000000] CPU: ARMv7 Processor [411fc090] revision 0 (ARMv7), cr=10c5387d >> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache >> [ 0.000000] Machine: nVidia Tegra20 (Flattened Device Tree), model: NVIDIA Tegra2 Whistler evaluation board >> [ 0.000000] bootconsole [earlycon0] enabled >> [ 0.000000] Memory policy: ECC disabled, Data cache writealloc >> [ 0.000000] On node 0 totalpages: 131072 >> [ 0.000000] free_area_init_node: node 0, pgdat c05f4800, node_mem_map c064a000 >> [ 0.000000] Normal zone: 1152 pages used for memmap >> [ 0.000000] Normal zone: 0 pages reserved >> [ 0.000000] Normal zone: 129920 pages, LIFO batch:31 >> [ 0.000000] Tegra Revision: A02 SKU: 7 CPU Process: 0 Core Process: 0 >> [ 0.000000] ------------[ cut here ]------------ >> [ 0.000000] kernel BUG at mm/slab.c:716! >> [ 0.000000] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Not tainted (3.5.0-rc5-next-20120702-00018-g87d5256 #86) >> [ 0.000000] PC is at __kmalloc+0xf8/0x144 >> [ 0.000000] LR is at __clk_set_parent+0x60/0x1e8 >> [ 0.000000] pc : [<c00befd8>] lr : [<c02d780c>] psr: 600001d3 >> [ 0.000000] sp : c0599f20 ip : 22222222 fp : 00000000 >> [ 0.000000] r10: 00000000 r9 : c05bfdb4 r8 : 3fffffff >> [ 0.000000] r7 : c02d780c r6 : c05bfff4 r5 : c05bfc74 r4 : 00000000 >> [ 0.000000] r3 : c05d7c60 r2 : c05bfb74 r1 : 000080d0 r0 : 00000020 >> [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel >> [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) >> [ 0.000000] Stack: (0xc0599f20 to 0xc059a000) >> [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 >> [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 >> [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 >> [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 >> [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 >> [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d >> [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 >> [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) >> [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) >> [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) >> [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) >> [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) >> [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) >> [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) >> [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) >> [ 0.000000] Code: e3550000 1a000002 e1a00006 e8bd80f8 (e7f001f2) >> [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- >> [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! >> [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000f00 >> [ 0.000000] pgd = c0004000 >> [ 0.000000] [00000f00] *pgd=00000000 >> [ 0.000000] Internal error: Oops: 805 [#2] PREEMPT SMP ARM >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Tainted: G D (3.5.0-rc5-next-20120702-00018-g87d5256 #86) >> [ 0.000000] PC is at gic_raise_softirq+0x5c/0x70 >> [ 0.000000] LR is at gic_raise_softirq+0x3c/0x70 >> [ 0.000000] pc : [<c001d504>] lr : [<c001d4e4>] psr: 600001d3 >> [ 0.000000] sp : c0599d88 ip : 00000000 fp : 00000000 >> [ 0.000000] r10: 00000006 r9 : 600001d3 r8 : 00000001 >> [ 0.000000] r7 : c05fe900 r6 : c0599dac r5 : c05b7a90 r4 : 00000006 >> [ 0.000000] r3 : 00000000 r2 : 00000004 r1 : 00000004 r0 : 00000004 >> [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel >> [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) >> [ 0.000000] Stack: (0xc0599d88 to 0xc059a000) >> [ 0.000000] 9d80: c001d4a8 000f4240 c05b7220 c0599dac c0598000 c05fe95c >> [ 0.000000] 9da0: c04c54bc c0013b28 c0598000 00000000 c05ff8b0 c0598000 0000000b c03ef2e4 >> [ 0.000000] 9dc0: 0000000b c0599dec c0598000 c05ba5a0 c0598000 0000000b c0598000 c05fe95c >> [ 0.000000] 9de0: c04c54bc c002d70c c04ca7f8 200001d3 c0599df8 00000000 00000000 c05fe958 >> [ 0.000000] 9e00: 0000000b c05bb678 c0598000 c0012548 00000000 00000004 c0599ed8 c00befd8 >> [ 0.000000] 9e20: c0599f0c 3fffffff c000e9e8 00000000 00000000 c0008380 00000006 c0600210 >> [ 0.000000] 9e40: 00000004 00000000 00030001 c00befd8 c0600e28 00000039 00000000 c01db58c >> [ 0.000000] 9e60: c0599f78 c0599e70 00000000 c0600e38 0000000f 00000039 c0600e28 c060021f >> [ 0.000000] 9e80: c05bbd28 c05ffd10 c0017f98 c0029dfc 000003f0 c05b7220 c04c80cd 00000001 >> [ 0.000000] 9ea0: 00000002 c05c0268 c04c7d88 c02d6d34 00000001 c05c00a8 00000003 c05c0268 >> [ 0.000000] 9ec0: c04c86dc c00befdc 600001d3 ffffffff c0599f0c c000e9e8 00000020 000080d0 >> [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 >> [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff >> [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 >> [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 >> [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 >> [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 >> [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 >> [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d >> [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 >> [ 0.000000] [<c001d504>] (gic_raise_softirq+0x5c/0x70) from [<c0013b28>] (smp_send_stop+0x50/0xb4) >> [ 0.000000] [<c0013b28>] (smp_send_stop+0x50/0xb4) from [<c03ef2e4>] (panic+0x94/0x1d8) >> [ 0.000000] [<c03ef2e4>] (panic+0x94/0x1d8) from [<c002d70c>] (do_exit+0x2b8/0x328) >> [ 0.000000] [<c002d70c>] (do_exit+0x2b8/0x328) from [<c0012548>] (die+0x120/0x19c) >> [ 0.000000] [<c0012548>] (die+0x120/0x19c) from [<c0008380>] (do_undefinstr+0x13c/0x160) >> [ 0.000000] [<c0008380>] (do_undefinstr+0x13c/0x160) from [<c000e9e8>] (__und_svc+0x48/0x60) >> [ 0.000000] Exception stack(0xc0599ed8 to 0xc0599f20) >> [ 0.000000] 9ec0: 00000020 000080d0 >> [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 >> [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff >> [ 0.000000] [<c000e9e8>] (__und_svc+0x48/0x60) from [<c00befd8>] (__kmalloc+0xf8/0x144) >> [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) >> [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) >> [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) >> [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) >> [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) >> [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) >> [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) >> [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) >> [ 0.000000] Code: f57ff04f e59f3014 e18a4804 e5933000 (e5834f00) >> [ 0.000000] ---[ end trace 1b75b31a2719ed1d ]--- ^ permalink raw reply [flat|nested] 57+ messages in thread
* [PATCH 0/6] Port Tegra to generic clk framework @ 2012-07-03 11:29 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-07-03 11:29 UTC (permalink / raw) To: linux-arm-kernel On Monday 02 July 2012 11:42 PM, Stephen Warren wrote: > On 06/29/2012 11:24 AM, Stephen Warren wrote: >> On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >>> This patch set ports Tegra clock code to generic clock framework. >>> >>> Depends on >>> [PATCH v3 0/9] Add clk_prepare/clk_unprepare series >>> [PATCH] ARM: tegra: Remove second instance of uart clk >>> [PATCH] dma: tegra: add clk_prepare/clk_unprepare >>> [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" >> Prashant, this doesn't apply either to my local development tree >> (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk >> branch. Can you please regenerate the series on top of >> for-3.6/common-clk. Thanks. > Prashant, > > I managed to apply the patches to my local tree (although please note I > still need a patchset that applies cleanly to common-clk without > conflicting with PWM) and it appears to work fine on Tegra30/Cardhu, but > fails on Tegra20 (I tested both Ventana and Whistler) with the kernel > log below. > > Does this patch series have any dependencies not in 3.5-rc2, aside from > the various patches already in Tegra's for-3.6/common-clk branch? Did > you test it on Tegra20? > I had tested it on Tegra20. I have sent v2 rebased on top of Tegra'2 for-3.6/common-clk. Tested on Tegra30 (Cardhu) and Tegra20 (Ventana). >> Uncompressing Linux... done, booting the kernel. >> [ 0.000000] Booting Linux on physical CPU 0 >> [ 0.000000] Initializing cgroup subsys cpu >> [ 0.000000] Linux version 3.5.0-rc5-next-20120702-00018-g87d5256 (swarren at swarren-lx1) (gcc version 4.5.3 (crosstool-NG hg_unknown at 20110628.165246) ) #86 S2 >> [ 0.000000] CPU: ARMv7 Processor [411fc090] revision 0 (ARMv7), cr=10c5387d >> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache >> [ 0.000000] Machine: nVidia Tegra20 (Flattened Device Tree), model: NVIDIA Tegra2 Whistler evaluation board >> [ 0.000000] bootconsole [earlycon0] enabled >> [ 0.000000] Memory policy: ECC disabled, Data cache writealloc >> [ 0.000000] On node 0 totalpages: 131072 >> [ 0.000000] free_area_init_node: node 0, pgdat c05f4800, node_mem_map c064a000 >> [ 0.000000] Normal zone: 1152 pages used for memmap >> [ 0.000000] Normal zone: 0 pages reserved >> [ 0.000000] Normal zone: 129920 pages, LIFO batch:31 >> [ 0.000000] Tegra Revision: A02 SKU: 7 CPU Process: 0 Core Process: 0 >> [ 0.000000] ------------[ cut here ]------------ >> [ 0.000000] kernel BUG at mm/slab.c:716! >> [ 0.000000] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Not tainted (3.5.0-rc5-next-20120702-00018-g87d5256 #86) >> [ 0.000000] PC is at __kmalloc+0xf8/0x144 >> [ 0.000000] LR is at __clk_set_parent+0x60/0x1e8 >> [ 0.000000] pc : [<c00befd8>] lr : [<c02d780c>] psr: 600001d3 >> [ 0.000000] sp : c0599f20 ip : 22222222 fp : 00000000 >> [ 0.000000] r10: 00000000 r9 : c05bfdb4 r8 : 3fffffff >> [ 0.000000] r7 : c02d780c r6 : c05bfff4 r5 : c05bfc74 r4 : 00000000 >> [ 0.000000] r3 : c05d7c60 r2 : c05bfb74 r1 : 000080d0 r0 : 00000020 >> [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel >> [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) >> [ 0.000000] Stack: (0xc0599f20 to 0xc059a000) >> [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 >> [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 >> [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 >> [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 >> [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 >> [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d >> [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 >> [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) >> [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) >> [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) >> [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) >> [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) >> [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) >> [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) >> [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) >> [ 0.000000] Code: e3550000 1a000002 e1a00006 e8bd80f8 (e7f001f2) >> [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- >> [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! >> [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000f00 >> [ 0.000000] pgd = c0004000 >> [ 0.000000] [00000f00] *pgd=00000000 >> [ 0.000000] Internal error: Oops: 805 [#2] PREEMPT SMP ARM >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Tainted: G D (3.5.0-rc5-next-20120702-00018-g87d5256 #86) >> [ 0.000000] PC is at gic_raise_softirq+0x5c/0x70 >> [ 0.000000] LR is at gic_raise_softirq+0x3c/0x70 >> [ 0.000000] pc : [<c001d504>] lr : [<c001d4e4>] psr: 600001d3 >> [ 0.000000] sp : c0599d88 ip : 00000000 fp : 00000000 >> [ 0.000000] r10: 00000006 r9 : 600001d3 r8 : 00000001 >> [ 0.000000] r7 : c05fe900 r6 : c0599dac r5 : c05b7a90 r4 : 00000006 >> [ 0.000000] r3 : 00000000 r2 : 00000004 r1 : 00000004 r0 : 00000004 >> [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel >> [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) >> [ 0.000000] Stack: (0xc0599d88 to 0xc059a000) >> [ 0.000000] 9d80: c001d4a8 000f4240 c05b7220 c0599dac c0598000 c05fe95c >> [ 0.000000] 9da0: c04c54bc c0013b28 c0598000 00000000 c05ff8b0 c0598000 0000000b c03ef2e4 >> [ 0.000000] 9dc0: 0000000b c0599dec c0598000 c05ba5a0 c0598000 0000000b c0598000 c05fe95c >> [ 0.000000] 9de0: c04c54bc c002d70c c04ca7f8 200001d3 c0599df8 00000000 00000000 c05fe958 >> [ 0.000000] 9e00: 0000000b c05bb678 c0598000 c0012548 00000000 00000004 c0599ed8 c00befd8 >> [ 0.000000] 9e20: c0599f0c 3fffffff c000e9e8 00000000 00000000 c0008380 00000006 c0600210 >> [ 0.000000] 9e40: 00000004 00000000 00030001 c00befd8 c0600e28 00000039 00000000 c01db58c >> [ 0.000000] 9e60: c0599f78 c0599e70 00000000 c0600e38 0000000f 00000039 c0600e28 c060021f >> [ 0.000000] 9e80: c05bbd28 c05ffd10 c0017f98 c0029dfc 000003f0 c05b7220 c04c80cd 00000001 >> [ 0.000000] 9ea0: 00000002 c05c0268 c04c7d88 c02d6d34 00000001 c05c00a8 00000003 c05c0268 >> [ 0.000000] 9ec0: c04c86dc c00befdc 600001d3 ffffffff c0599f0c c000e9e8 00000020 000080d0 >> [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 >> [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff >> [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 >> [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 >> [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 >> [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 >> [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 >> [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d >> [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 >> [ 0.000000] [<c001d504>] (gic_raise_softirq+0x5c/0x70) from [<c0013b28>] (smp_send_stop+0x50/0xb4) >> [ 0.000000] [<c0013b28>] (smp_send_stop+0x50/0xb4) from [<c03ef2e4>] (panic+0x94/0x1d8) >> [ 0.000000] [<c03ef2e4>] (panic+0x94/0x1d8) from [<c002d70c>] (do_exit+0x2b8/0x328) >> [ 0.000000] [<c002d70c>] (do_exit+0x2b8/0x328) from [<c0012548>] (die+0x120/0x19c) >> [ 0.000000] [<c0012548>] (die+0x120/0x19c) from [<c0008380>] (do_undefinstr+0x13c/0x160) >> [ 0.000000] [<c0008380>] (do_undefinstr+0x13c/0x160) from [<c000e9e8>] (__und_svc+0x48/0x60) >> [ 0.000000] Exception stack(0xc0599ed8 to 0xc0599f20) >> [ 0.000000] 9ec0: 00000020 000080d0 >> [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 >> [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff >> [ 0.000000] [<c000e9e8>] (__und_svc+0x48/0x60) from [<c00befd8>] (__kmalloc+0xf8/0x144) >> [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) >> [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) >> [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) >> [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) >> [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) >> [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) >> [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) >> [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) >> [ 0.000000] Code: f57ff04f e59f3014 e18a4804 e5933000 (e5834f00) >> [ 0.000000] ---[ end trace 1b75b31a2719ed1d ]--- ^ permalink raw reply [flat|nested] 57+ messages in thread
* Re: [PATCH 0/6] Port Tegra to generic clk framework @ 2012-07-03 11:29 ` Prashant Gaikwad 0 siblings, 0 replies; 57+ messages in thread From: Prashant Gaikwad @ 2012-07-03 11:29 UTC (permalink / raw) To: Stephen Warren Cc: mturquette, linux-arm-kernel, linux-kernel, linux-tegra, linux, ccross, olof On Monday 02 July 2012 11:42 PM, Stephen Warren wrote: > On 06/29/2012 11:24 AM, Stephen Warren wrote: >> On 06/28/2012 04:37 AM, Prashant Gaikwad wrote: >>> This patch set ports Tegra clock code to generic clock framework. >>> >>> Depends on >>> [PATCH v3 0/9] Add clk_prepare/clk_unprepare series >>> [PATCH] ARM: tegra: Remove second instance of uart clk >>> [PATCH] dma: tegra: add clk_prepare/clk_unprepare >>> [PATCH] ARM: tegra: dma: rename driver name for clock to "tegra-apbdma" >> Prashant, this doesn't apply either to my local development tree >> (roughly what's in next-20120629), nor Tegra's for-3.6/common-clk >> branch. Can you please regenerate the series on top of >> for-3.6/common-clk. Thanks. > Prashant, > > I managed to apply the patches to my local tree (although please note I > still need a patchset that applies cleanly to common-clk without > conflicting with PWM) and it appears to work fine on Tegra30/Cardhu, but > fails on Tegra20 (I tested both Ventana and Whistler) with the kernel > log below. > > Does this patch series have any dependencies not in 3.5-rc2, aside from > the various patches already in Tegra's for-3.6/common-clk branch? Did > you test it on Tegra20? > I had tested it on Tegra20. I have sent v2 rebased on top of Tegra'2 for-3.6/common-clk. Tested on Tegra30 (Cardhu) and Tegra20 (Ventana). >> Uncompressing Linux... done, booting the kernel. >> [ 0.000000] Booting Linux on physical CPU 0 >> [ 0.000000] Initializing cgroup subsys cpu >> [ 0.000000] Linux version 3.5.0-rc5-next-20120702-00018-g87d5256 (swarren@swarren-lx1) (gcc version 4.5.3 (crosstool-NG hg_unknown@20110628.165246) ) #86 S2 >> [ 0.000000] CPU: ARMv7 Processor [411fc090] revision 0 (ARMv7), cr=10c5387d >> [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache >> [ 0.000000] Machine: nVidia Tegra20 (Flattened Device Tree), model: NVIDIA Tegra2 Whistler evaluation board >> [ 0.000000] bootconsole [earlycon0] enabled >> [ 0.000000] Memory policy: ECC disabled, Data cache writealloc >> [ 0.000000] On node 0 totalpages: 131072 >> [ 0.000000] free_area_init_node: node 0, pgdat c05f4800, node_mem_map c064a000 >> [ 0.000000] Normal zone: 1152 pages used for memmap >> [ 0.000000] Normal zone: 0 pages reserved >> [ 0.000000] Normal zone: 129920 pages, LIFO batch:31 >> [ 0.000000] Tegra Revision: A02 SKU: 7 CPU Process: 0 Core Process: 0 >> [ 0.000000] ------------[ cut here ]------------ >> [ 0.000000] kernel BUG at mm/slab.c:716! >> [ 0.000000] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Not tainted (3.5.0-rc5-next-20120702-00018-g87d5256 #86) >> [ 0.000000] PC is at __kmalloc+0xf8/0x144 >> [ 0.000000] LR is at __clk_set_parent+0x60/0x1e8 >> [ 0.000000] pc : [<c00befd8>] lr : [<c02d780c>] psr: 600001d3 >> [ 0.000000] sp : c0599f20 ip : 22222222 fp : 00000000 >> [ 0.000000] r10: 00000000 r9 : c05bfdb4 r8 : 3fffffff >> [ 0.000000] r7 : c02d780c r6 : c05bfff4 r5 : c05bfc74 r4 : 00000000 >> [ 0.000000] r3 : c05d7c60 r2 : c05bfb74 r1 : 000080d0 r0 : 00000020 >> [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel >> [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) >> [ 0.000000] Stack: (0xc0599f20 to 0xc059a000) >> [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 >> [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 >> [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 >> [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 >> [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 >> [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d >> [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 >> [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) >> [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) >> [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) >> [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) >> [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) >> [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) >> [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) >> [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) >> [ 0.000000] Code: e3550000 1a000002 e1a00006 e8bd80f8 (e7f001f2) >> [ 0.000000] ---[ end trace 1b75b31a2719ed1c ]--- >> [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! >> [ 0.000000] Unable to handle kernel NULL pointer dereference at virtual address 00000f00 >> [ 0.000000] pgd = c0004000 >> [ 0.000000] [00000f00] *pgd=00000000 >> [ 0.000000] Internal error: Oops: 805 [#2] PREEMPT SMP ARM >> [ 0.000000] Modules linked in: >> [ 0.000000] CPU: 0 Tainted: G D (3.5.0-rc5-next-20120702-00018-g87d5256 #86) >> [ 0.000000] PC is at gic_raise_softirq+0x5c/0x70 >> [ 0.000000] LR is at gic_raise_softirq+0x3c/0x70 >> [ 0.000000] pc : [<c001d504>] lr : [<c001d4e4>] psr: 600001d3 >> [ 0.000000] sp : c0599d88 ip : 00000000 fp : 00000000 >> [ 0.000000] r10: 00000006 r9 : 600001d3 r8 : 00000001 >> [ 0.000000] r7 : c05fe900 r6 : c0599dac r5 : c05b7a90 r4 : 00000006 >> [ 0.000000] r3 : 00000000 r2 : 00000004 r1 : 00000004 r0 : 00000004 >> [ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel >> [ 0.000000] Control: 10c5387d Table: 0000404a DAC: 00000015 >> [ 0.000000] Process swapper (pid: 0, stack limit = 0xc05982f0) >> [ 0.000000] Stack: (0xc0599d88 to 0xc059a000) >> [ 0.000000] 9d80: c001d4a8 000f4240 c05b7220 c0599dac c0598000 c05fe95c >> [ 0.000000] 9da0: c04c54bc c0013b28 c0598000 00000000 c05ff8b0 c0598000 0000000b c03ef2e4 >> [ 0.000000] 9dc0: 0000000b c0599dec c0598000 c05ba5a0 c0598000 0000000b c0598000 c05fe95c >> [ 0.000000] 9de0: c04c54bc c002d70c c04ca7f8 200001d3 c0599df8 00000000 00000000 c05fe958 >> [ 0.000000] 9e00: 0000000b c05bb678 c0598000 c0012548 00000000 00000004 c0599ed8 c00befd8 >> [ 0.000000] 9e20: c0599f0c 3fffffff c000e9e8 00000000 00000000 c0008380 00000006 c0600210 >> [ 0.000000] 9e40: 00000004 00000000 00030001 c00befd8 c0600e28 00000039 00000000 c01db58c >> [ 0.000000] 9e60: c0599f78 c0599e70 00000000 c0600e38 0000000f 00000039 c0600e28 c060021f >> [ 0.000000] 9e80: c05bbd28 c05ffd10 c0017f98 c0029dfc 000003f0 c05b7220 c04c80cd 00000001 >> [ 0.000000] 9ea0: 00000002 c05c0268 c04c7d88 c02d6d34 00000001 c05c00a8 00000003 c05c0268 >> [ 0.000000] 9ec0: c04c86dc c00befdc 600001d3 ffffffff c0599f0c c000e9e8 00000020 000080d0 >> [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 >> [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff >> [ 0.000000] 9f20: 00000008 00000001 c05bfc74 c05bfff4 c0599fd4 c02d780c 22222222 c05eb6d0 >> [ 0.000000] 9f40: c05bfff4 c058f028 c05bfff4 c05bfc74 c0599fd4 3fffffff 411fc090 00000000 >> [ 0.000000] 9f60: 00000000 c02d7b84 c058f028 c05bfff4 c05bfdb4 c001d86c 3fffffff c0571608 >> [ 0.000000] 9f80: c058f028 c05fea40 c058ea9c c001d990 c058d52c c0570eb0 c058d52c c056d350 >> [ 0.000000] 9fa0: 00000000 c0599fb4 c05b6c00 c0598000 ffffffff c05fe600 00000001 c056a588 >> [ 0.000000] 9fc0: 00000000 00000000 00000000 00000000 00000000 c058ea9c 00000000 10c5387d >> [ 0.000000] 9fe0: c05b6c58 c058ea94 c05bb4fc 0000406a 00000000 00008044 00000000 00000000 >> [ 0.000000] [<c001d504>] (gic_raise_softirq+0x5c/0x70) from [<c0013b28>] (smp_send_stop+0x50/0xb4) >> [ 0.000000] [<c0013b28>] (smp_send_stop+0x50/0xb4) from [<c03ef2e4>] (panic+0x94/0x1d8) >> [ 0.000000] [<c03ef2e4>] (panic+0x94/0x1d8) from [<c002d70c>] (do_exit+0x2b8/0x328) >> [ 0.000000] [<c002d70c>] (do_exit+0x2b8/0x328) from [<c0012548>] (die+0x120/0x19c) >> [ 0.000000] [<c0012548>] (die+0x120/0x19c) from [<c0008380>] (do_undefinstr+0x13c/0x160) >> [ 0.000000] [<c0008380>] (do_undefinstr+0x13c/0x160) from [<c000e9e8>] (__und_svc+0x48/0x60) >> [ 0.000000] Exception stack(0xc0599ed8 to 0xc0599f20) >> [ 0.000000] 9ec0: 00000020 000080d0 >> [ 0.000000] 9ee0: c05bfb74 c05d7c60 00000000 c05bfc74 c05bfff4 c02d780c 3fffffff c05bfdb4 >> [ 0.000000] 9f00: 00000000 00000000 22222222 c0599f20 c02d780c c00befd8 600001d3 ffffffff >> [ 0.000000] [<c000e9e8>] (__und_svc+0x48/0x60) from [<c00befd8>] (__kmalloc+0xf8/0x144) >> [ 0.000000] [<c00befd8>] (__kmalloc+0xf8/0x144) from [<c02d780c>] (__clk_set_parent+0x60/0x1e8) >> [ 0.000000] [<c02d780c>] (__clk_set_parent+0x60/0x1e8) from [<c02d7b84>] (clk_set_parent+0x9c/0xd8) >> [ 0.000000] [<c02d7b84>] (clk_set_parent+0x9c/0xd8) from [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) >> [ 0.000000] [<c001d86c>] (tegra_clk_init_one_from_table+0x4c/0x154) from [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) >> [ 0.000000] [<c001d990>] (tegra_clk_init_from_table+0x1c/0x2c) from [<c0570eb0>] (tegra20_init_early+0x18/0x34) >> [ 0.000000] [<c0570eb0>] (tegra20_init_early+0x18/0x34) from [<c056d350>] (setup_arch+0x128/0x16c) >> [ 0.000000] [<c056d350>] (setup_arch+0x128/0x16c) from [<c056a588>] (start_kernel+0x88/0x320) >> [ 0.000000] [<c056a588>] (start_kernel+0x88/0x320) from [<00008044>] (0x8044) >> [ 0.000000] Code: f57ff04f e59f3014 e18a4804 e5933000 (e5834f00) >> [ 0.000000] ---[ end trace 1b75b31a2719ed1d ]--- ^ permalink raw reply [flat|nested] 57+ messages in thread
end of thread, other threads:[~2012-07-03 11:29 UTC | newest]
Thread overview: 57+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-06-28 10:37 [PATCH 0/6] Port Tegra to generic clk framework Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` [PATCH 1/6] ARM: tegra30: Separate out clk ops and clk data Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` [PATCH 3/6] ARM: tegra: Rename tegra20 clock file Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` [PATCH 4/6] ARM: tegra: Add clk_tegra structure and helper functions Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
[not found] ` <1340879846-12900-5-git-send-email-pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-06-28 18:28 ` Mike Turquette
2012-06-28 18:28 ` Mike Turquette
2012-06-28 18:28 ` Mike Turquette
[not found] ` <20120628182759.GA28424-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2012-06-29 8:34 ` Prashant Gaikwad
2012-06-29 8:34 ` Prashant Gaikwad
2012-06-29 8:34 ` Prashant Gaikwad
[not found] ` <4FED688E.9090408-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-07-03 0:09 ` Turquette, Mike
2012-07-03 0:09 ` Turquette, Mike
2012-07-03 0:09 ` Turquette, Mike
[not found] ` <CAJOA=zMt-HWKrgQ-pD-wH0s_Nao5sJA13+ESJSBkHQ_3OBurtg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-07-03 1:31 ` Stephen Warren
2012-07-03 1:31 ` Stephen Warren
2012-07-03 1:31 ` Stephen Warren
2012-07-03 1:49 ` Turquette, Mike
2012-07-03 1:49 ` Turquette, Mike
2012-07-03 1:49 ` Turquette, Mike
2012-06-28 10:37 ` [PATCH 5/6] ARM: tegra: Port tegra to generic clock framework Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
[not found] ` <1340879846-12900-6-git-send-email-pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-06-28 17:29 ` Prashant G
2012-06-28 17:29 ` Prashant G
2012-06-28 17:29 ` Prashant G
[not found] ` <1340879846-12900-1-git-send-email-pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-06-28 10:37 ` [PATCH 2/6] ARM: tegra20: Separate out clk ops and clk data Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
[not found] ` <1340879846-12900-3-git-send-email-pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-06-28 17:37 ` Stephen Warren
2012-06-28 17:37 ` Stephen Warren
2012-06-28 17:37 ` Stephen Warren
2012-06-29 2:06 ` Prashant G
2012-06-29 2:06 ` Prashant G
2012-06-29 2:06 ` Prashant G
2012-06-28 10:37 ` [PATCH 6/6] ARM: tegra: Remove duplicate code Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 10:37 ` Prashant Gaikwad
2012-06-28 17:39 ` [PATCH 0/6] Port Tegra to generic clk framework Stephen Warren
2012-06-28 17:39 ` Stephen Warren
2012-06-28 17:39 ` Stephen Warren
2012-06-29 17:24 ` Stephen Warren
2012-06-29 17:24 ` Stephen Warren
2012-06-29 17:24 ` Stephen Warren
[not found] ` <4FEDE4B6.4010405-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-07-02 18:12 ` Stephen Warren
2012-07-02 18:12 ` Stephen Warren
2012-07-02 18:12 ` Stephen Warren
[not found] ` <4FF1E488.9070806-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-07-03 11:29 ` Prashant Gaikwad
2012-07-03 11:29 ` Prashant Gaikwad
2012-07-03 11:29 ` Prashant Gaikwad
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