From: Icenowy Zheng <icenowy@sipeed.com> To: Rob Herring <robh+dt@kernel.org>, Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, Ulf Hansson <ulf.hansson@linaro.org>, Linus Walleij <linus.walleij@linaro.org>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Andre Przywara <andre.przywara@arm.com>, Samuel Holland <samuel@sholland.org> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 10/17] clk: sunxi=ng: add support for R329 R-CCU Date: Mon, 02 Aug 2021 17:52:52 +0800 [thread overview] Message-ID: <d08fbaae055fc88246cd9f39ce5112f80fcc734c.camel@sipeed.com> (raw) In-Reply-To: <20210802062212.73220-11-icenowy@sipeed.com> 在 2021-08-02星期一的 14:22 +0800,Icenowy Zheng写道: > Allwinner R329 has clock controls in PRCM, like other new Allwinner > SoCs. > > Add support for them. > > This driver is added before the main CCU because PLLs are controlled > by > R-CCU on R329. > > Signed-off-by: Icenowy Zheng <icenowy@sipeed.com> > --- > drivers/clk/sunxi-ng/Kconfig | 5 + > drivers/clk/sunxi-ng/Makefile | 1 + > drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c | 374 > ++++++++++++++++++ > drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h | 33 ++ > include/dt-bindings/clock/sun50i-r329-r-ccu.h | 33 ++ > include/dt-bindings/reset/sun50i-r329-r-ccu.h | 24 ++ > 6 files changed, 470 insertions(+) > create mode 100644 drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c > create mode 100644 drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h > create mode 100644 include/dt-bindings/clock/sun50i-r329-r-ccu.h > create mode 100644 include/dt-bindings/reset/sun50i-r329-r-ccu.h > > diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi- > ng/Kconfig > index cd46d8853876..e49b2c2fa5b7 100644 > --- a/drivers/clk/sunxi-ng/Kconfig > +++ b/drivers/clk/sunxi-ng/Kconfig > @@ -42,6 +42,11 @@ config SUN50I_H6_R_CCU > default ARM64 && ARCH_SUNXI > depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST > > +config SUN50I_R329_R_CCU > + bool "Support for the Allwinner R329 PRCM CCU" > + default ARM64 && ARCH_SUNXI > + depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST > + > config SUN4I_A10_CCU > bool "Support for the Allwinner A10/A20 CCU" > default MACH_SUN4I > diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi- > ng/Makefile > index 96c324306d97..db338a2188fd 100644 > --- a/drivers/clk/sunxi-ng/Makefile > +++ b/drivers/clk/sunxi-ng/Makefile > @@ -28,6 +28,7 @@ obj-$(CONFIG_SUN50I_A100_R_CCU) += ccu- > sun50i-a100-r.o > obj-$(CONFIG_SUN50I_H6_CCU) += ccu-sun50i-h6.o > obj-$(CONFIG_SUN50I_H616_CCU) += ccu-sun50i-h616.o > obj-$(CONFIG_SUN50I_H6_R_CCU) += ccu-sun50i-h6-r.o > +obj-$(CONFIG_SUN50I_R329_R_CCU) += ccu-sun50i-r329-r.o > obj-$(CONFIG_SUN4I_A10_CCU) += ccu-sun4i-a10.o > obj-$(CONFIG_SUN5I_CCU) += ccu-sun5i.o > obj-$(CONFIG_SUN6I_A31_CCU) += ccu-sun6i-a31.o > diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c > b/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c > new file mode 100644 > index 000000000000..5413a701cb57 > --- /dev/null > +++ b/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c > @@ -0,0 +1,374 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (c) 2021 Sipeed > + * Based on the H616 CCU driver, which is: > + * Copyright (c) 2020 Arm Ltd. > + */ > + > +#include <linux/clk-provider.h> > +#include <linux/io.h> > +#include <linux/of_address.h> > +#include <linux/platform_device.h> > + > +#include "ccu_common.h" > +#include "ccu_reset.h" > + > +#include "ccu_div.h" > +#include "ccu_gate.h" > +#include "ccu_mp.h" > +#include "ccu_mult.h" > +#include "ccu_nk.h" > +#include "ccu_nkm.h" > +#include "ccu_nkmp.h" > +#include "ccu_nm.h" > + > +#include "ccu-sun50i-r329-r.h" > + > +/* > + * The M factor is present in the register's description, but not in > the > + * frequency formula, and it's documented as "The bit is only for > + * testing", so it's not modelled and then force to 0. > + */ > +#define SUN50I_R329_PLL_CPUX_REG 0x1000 > +static struct ccu_mult pll_cpux_clk = { > + .enable = BIT(31), > + .lock = BIT(28), > + .mult = _SUNXI_CCU_MULT_MIN(8, 8, 12), > + .common = { > + .reg = 0x1000, > + .hw.init = CLK_HW_INIT("pll-cpux", "osc24M", > + &ccu_mult_ops, > + CLK_SET_RATE_UNGATE), > + }, > +}; > + > +#define SUN50I_R329_PLL_PERIPH_REG 0x1010 > +static struct ccu_nm pll_periph_base_clk = { > + .enable = BIT(31), > + .lock = BIT(28), > + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), > + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ > + .common = { > + .reg = 0x1010, > + .hw.init = CLK_HW_INIT("pll-periph-base", > "osc24M", > + &ccu_nm_ops, > + CLK_SET_RATE_UNGATE), > + }, > +}; > + > +static SUNXI_CCU_M(pll_periph_2x_clk, "pll-periph-2x", "pll-periph- > base", > + 0x1010, 16, 3, 0); > +static SUNXI_CCU_M(pll_periph_800m_clk, "pll-periph-800m", "pll- > periph-base", > + 0x1010, 20, 3, 0); > +static CLK_FIXED_FACTOR_HW(pll_periph_clk, "pll-periph", > + &pll_periph_2x_clk.common.hw, 2, 1, 0); > + > +#define SUN50I_R329_PLL_AUDIO0_REG 0x1020 > +static struct ccu_sdm_setting pll_audio0_sdm_table[] = { > + { .rate = 1548288000, .pattern = 0xc0070624, .m = 1, .n = 64 > }, > +}; > + > +static struct ccu_nm pll_audio0_clk = { > + .enable = BIT(31), > + .lock = BIT(28), > + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), > + .m = _SUNXI_CCU_DIV(1, 1), > + .sdm = _SUNXI_CCU_SDM(pll_audio0_sdm_table, > + BIT(24), 0x1120, BIT(31)), > + .common = { > + .features = CCU_FEATURE_SIGMA_DELTA_MOD, > + .reg = 0x1020, > + .hw.init = CLK_HW_INIT("pll-audio0", "osc24M", > + &ccu_nm_ops, > + CLK_SET_RATE_UNGATE), > + }, > +}; > + > +static SUNXI_CCU_M(pll_audio0_div2_clk, "pll-audio0-div2", "pll- > audio0", > + 0x1020, 16, 3, 0); > +static SUNXI_CCU_M(pll_audio0_div5_clk, "pll-audio0-div5", "pll- > audio0", > + 0x1020, 20, 3, 0); > + > +/* > + * PLL-AUDIO1 has 3 dividers defined in the datasheet, however the > + * BSP driver always has M0 = 1 and M1 = 2 (this is also the > + * reset value in the register). > + * > + * Here just module it as NM clock, and force M0 = 1 and M1 = 2. > + */ > +#define SUN50I_R329_PLL_AUDIO1_REG 0x1030 > +static struct ccu_sdm_setting pll_audio1_4x_sdm_table[] = { > + { .rate = 22579200, .pattern = 0xc001288d, .m = 12, .n = 22 > }, > + { .rate = 24576000, .pattern = 0xc00126e9, .m = 12, .n = 24 > }, > + { .rate = 90316800, .pattern = 0xc001288d, .m = 3, .n = 22 }, > + { .rate = 98304000, .pattern = 0xc00126e9, .m = 3, .n = 24 }, > +}; Sorry, the SDM table here is wrong -- all rate here should be *2 (because I wrongly assumed how postdiv works with sdm). > +static struct ccu_nm pll_audio1_4x_clk = { > + .enable = BIT(31), > + .lock = BIT(28), > + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), > + .m = _SUNXI_CCU_DIV(16, 6), > + .fixed_post_div = 2, > + .sdm = _SUNXI_CCU_SDM(pll_audio1_4x_sdm_table, > + BIT(24), 0x1130, BIT(31)), > + .common = { > + .features = CCU_FEATURE_FIXED_POSTDIV | > + CCU_FEATURE_SIGMA_DELTA_MOD, > + .reg = 0x1030, > + .hw.init = CLK_HW_INIT("pll-audio1-4x", > "osc24M", > + &ccu_nm_ops, > + CLK_SET_RATE_UNGATE), > + }, > +}; > + > +static CLK_FIXED_FACTOR_HW(pll_audio1_2x_clk, "pll-audio1-2x", > + &pll_audio1_4x_clk.common.hw, 2, 1, > + CLK_SET_RATE_PARENT); > +static CLK_FIXED_FACTOR_HW(pll_audio1_clk, "pll-audio1", > + &pll_audio1_4x_clk.common.hw, 4, 1, > + CLK_SET_RATE_PARENT); > + > +static const char * const r_bus_parents[] = { "osc24M", "osc32k", > "iosc", > + "pll-periph-2x", > + "pll-audio0-div2" }; > +static SUNXI_CCU_MP_WITH_MUX(r_ahb_clk, "r-ahb", r_bus_parents, > 0x000, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + 0); > + > +static SUNXI_CCU_MP_WITH_MUX(r_apb1_clk, "r-apb1", r_bus_parents, > 0x00c, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + 0); > + > +static SUNXI_CCU_MP_WITH_MUX(r_apb2_clk, "r-apb2", r_bus_parents, > 0x010, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_gpadc_clk, "r-bus-gpadc", "r-apb1", > + 0x0ec, BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_ths_clk, "r-bus-ths", "r-apb1", 0x0fc, > BIT(0), 0); > + > +static SUNXI_CCU_GATE(r_bus_dma_clk, "r-bus-dma", "r-apb1", 0x10c, > BIT(0), 0); > + > +static const char * const r_pwm_parents[] = { "osc24M", "osc32k", > "iosc" }; > +static SUNXI_CCU_MUX_WITH_GATE(r_pwm_clk, "r-pwm", r_pwm_parents, > 0x130, > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_pwm_clk, "r-bus-pwm", "r-apb1", 0x13c, > BIT(0), 0); > + > +static const char * const r_audio_parents[] = { "pll-audio0-div5", > "pll-audio0-div2", > + "pll-audio1-1x", > "pll-audio1-4x" }; > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_codec_adc_clk, "r-codec-adc", > r_audio_parents, 0x140, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_codec_dac_clk, "r-codec-dac", > r_audio_parents, 0x144, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_codec_clk, "r-bus-codec", "r-apb1", > + 0x14c, BIT(0), 0); > + > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_dmic_clk, "r-dmic", > r_audio_parents, 0x150, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_dmic_clk, "r-bus-dmic", "r-apb1", 0x15c, > BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_lradc_clk, "r-bus-lradc", "r-apb1", > + 0x16c, BIT(0), 0); > + > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_i2s_clk, "r-i2s", > r_audio_parents, 0x170, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_i2s_asrc_clk, "r-i2s-asrc", > + r_audio_parents, 0x174, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > +static SUNXI_CCU_GATE(r_bus_i2s_clk, "r-bus-i2s", "r-apb1", 0x17c, > BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_uart_clk, "r-bus-uart", "r-apb2", 0x18c, > BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_i2c_clk, "r-bus-i2c", "r-apb2", 0x19c, > BIT(0), 0); > + > +static const char * const r_ir_parents[] = { "osc32k", "osc24M" }; > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_ir_clk, "r-ir", r_ir_parents, > 0x1c0, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_ir_clk, "r-bus-ir", "r-apb1", 0x1cc, > BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_msgbox_clk, "r-bus-msgbox", "r-apb1", > + 0x1dc, BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_spinlock_clk, "r-bus-spinlock", "r- > apb1", > + 0x1ec, BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_rtc_clk, "r-bus-rtc", "r-ahb", > + 0x20c, BIT(0), CLK_IS_CRITICAL); > + > +static struct ccu_common *sun50i_r329_r_ccu_clks[] = { > + &pll_cpux_clk.common, > + &pll_periph_base_clk.common, > + &pll_periph_2x_clk.common, > + &pll_periph_800m_clk.common, > + &pll_audio0_clk.common, > + &pll_audio0_div2_clk.common, > + &pll_audio0_div5_clk.common, > + &pll_audio1_4x_clk.common, > + &r_ahb_clk.common, > + &r_apb1_clk.common, > + &r_apb2_clk.common, > + &r_bus_gpadc_clk.common, > + &r_bus_ths_clk.common, > + &r_bus_dma_clk.common, > + &r_pwm_clk.common, > + &r_bus_pwm_clk.common, > + &r_codec_adc_clk.common, > + &r_codec_dac_clk.common, > + &r_bus_codec_clk.common, > + &r_dmic_clk.common, > + &r_bus_dmic_clk.common, > + &r_bus_lradc_clk.common, > + &r_i2s_clk.common, > + &r_i2s_asrc_clk.common, > + &r_bus_i2s_clk.common, > + &r_bus_uart_clk.common, > + &r_bus_i2c_clk.common, > + &r_ir_clk.common, > + &r_bus_ir_clk.common, > + &r_bus_msgbox_clk.common, > + &r_bus_spinlock_clk.common, > + &r_bus_rtc_clk.common, > +}; > + > +static struct clk_hw_onecell_data sun50i_r329_r_hw_clks = { > + .hws = { > + [CLK_PLL_CPUX] = &pll_cpux_clk.common.hw, > + [CLK_PLL_PERIPH_BASE] = > &pll_periph_base_clk.common.hw, > + [CLK_PLL_PERIPH_2X] = > &pll_periph_2x_clk.common.hw, > + [CLK_PLL_PERIPH_800M] = > &pll_periph_800m_clk.common.hw, > + [CLK_PLL_PERIPH] = &pll_periph_clk.hw, > + [CLK_PLL_AUDIO0] = &pll_audio0_clk.common.hw, > + [CLK_PLL_AUDIO0_DIV2] = > &pll_audio0_div2_clk.common.hw, > + [CLK_PLL_AUDIO0_DIV5] = > &pll_audio0_div5_clk.common.hw, > + [CLK_PLL_AUDIO1_4X] = > &pll_audio1_4x_clk.common.hw, > + [CLK_PLL_AUDIO1_2X] = &pll_audio1_2x_clk.hw, > + [CLK_PLL_AUDIO1] = &pll_audio1_clk.hw, > + [CLK_R_AHB] = &r_ahb_clk.common.hw, > + [CLK_R_APB1] = &r_apb1_clk.common.hw, > + [CLK_R_APB2] = &r_apb2_clk.common.hw, > + [CLK_R_BUS_GPADC] = &r_bus_gpadc_clk.common.hw, > + [CLK_R_BUS_THS] = &r_bus_ths_clk.common.hw, > + [CLK_R_BUS_DMA] = &r_bus_dma_clk.common.hw, > + [CLK_R_PWM] = &r_pwm_clk.common.hw, > + [CLK_R_BUS_PWM] = &r_bus_pwm_clk.common.hw, > + [CLK_R_CODEC_ADC] = &r_codec_adc_clk.common.hw, > + [CLK_R_CODEC_DAC] = &r_codec_dac_clk.common.hw, > + [CLK_R_BUS_CODEC] = &r_bus_codec_clk.common.hw, > + [CLK_R_DMIC] = &r_dmic_clk.common.hw, > + [CLK_R_BUS_DMIC] = &r_bus_dmic_clk.common.hw, > + [CLK_R_BUS_LRADC] = &r_bus_lradc_clk.common.hw, > + [CLK_R_I2S] = &r_i2s_clk.common.hw, > + [CLK_R_I2S_ASRC] = &r_i2s_asrc_clk.common.hw, > + [CLK_R_BUS_I2S] = &r_bus_i2s_clk.common.hw, > + [CLK_R_BUS_UART] = &r_bus_uart_clk.common.hw, > + [CLK_R_BUS_I2C] = &r_bus_i2c_clk.common.hw, > + [CLK_R_IR] = &r_ir_clk.common.hw, > + [CLK_R_BUS_IR] = &r_bus_ir_clk.common.hw, > + [CLK_R_BUS_MSGBOX] = > &r_bus_msgbox_clk.common.hw, > + [CLK_R_BUS_SPINLOCK] = > &r_bus_spinlock_clk.common.hw, > + [CLK_R_BUS_RTC] = &r_bus_rtc_clk.common.hw, > + }, > + .num = CLK_NUMBER, > +}; > + > +static struct ccu_reset_map sun50i_r329_r_ccu_resets[] = { > + [RST_R_BUS_GPADC] = { 0x0ec, BIT(16) }, > + [RST_R_BUS_THS] = { 0x0fc, BIT(16) }, > + [RST_R_BUS_DMA] = { 0x10c, BIT(16) }, > + [RST_R_BUS_PWM] = { 0x13c, BIT(16) }, > + [RST_R_BUS_CODEC] = { 0x14c, BIT(16) }, > + [RST_R_BUS_DMIC] = { 0x15c, BIT(16) }, > + [RST_R_BUS_LRADC] = { 0x16c, BIT(16) }, > + [RST_R_BUS_I2S] = { 0x17c, BIT(16) }, > + [RST_R_BUS_UART] = { 0x18c, BIT(16) }, > + [RST_R_BUS_I2C] = { 0x19c, BIT(16) }, > + [RST_R_BUS_IR] = { 0x1cc, BIT(16) }, > + [RST_R_BUS_MSGBOX] = { 0x1dc, BIT(16) }, > + [RST_R_BUS_SPINLOCK] = { 0x1ec, BIT(16) }, > + [RST_R_BUS_RTC] = { 0x20c, BIT(16) }, > +}; > + > +static const struct sunxi_ccu_desc sun50i_r329_r_ccu_desc = { > + .ccu_clks = sun50i_r329_r_ccu_clks, > + .num_ccu_clks = ARRAY_SIZE(sun50i_r329_r_ccu_clks), > + > + .hw_clks = &sun50i_r329_r_hw_clks, > + > + .resets = sun50i_r329_r_ccu_resets, > + .num_resets = ARRAY_SIZE(sun50i_r329_r_ccu_resets), > +}; > + > +static const u32 pll_regs[] = { > + SUN50I_R329_PLL_CPUX_REG, > + SUN50I_R329_PLL_PERIPH_REG, > + SUN50I_R329_PLL_AUDIO0_REG, > + SUN50I_R329_PLL_AUDIO1_REG, > +}; > + > +static void __init sun50i_r329_r_ccu_setup(struct device_node *node) > +{ > + void __iomem *reg; > + u32 val; > + int i; > + > + reg = of_io_request_and_map(node, 0, > of_node_full_name(node)); > + if (IS_ERR(reg)) { > + pr_err("%pOF: Could not map clock registers\n", > node); > + return; > + } > + > + /* Enable the lock bits and the output enable bits on all > PLLs */ > + for (i = 0; i < ARRAY_SIZE(pll_regs); i++) { > + val = readl(reg + pll_regs[i]); > + val |= BIT(29) | BIT(27); > + writel(val, reg + pll_regs[i]); > + } > + > + /* > + * Force the I/O dividers of PLL-AUDIO1 to reset default > value > + * > + * See the comment before pll-audio1 definition for the > reason. > + */ > + > + val = readl(reg + SUN50I_R329_PLL_AUDIO1_REG); > + val &= ~BIT(1); > + val |= BIT(0); > + writel(val, reg + SUN50I_R329_PLL_AUDIO1_REG); > + > + i = sunxi_ccu_probe(node, reg, &sun50i_r329_r_ccu_desc); > + if (i) > + pr_err("%pOF: probing clocks fails: %d\n", node, i); > +} > + > +CLK_OF_DECLARE(sun50i_r329_r_ccu, "allwinner,sun50i-r329-r-ccu", > + sun50i_r329_r_ccu_setup); > diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h > b/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h > new file mode 100644 > index 000000000000..62cf65322116 > --- /dev/null > +++ b/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h > @@ -0,0 +1,33 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * Copyright (c) 2021 Sipeed > + */ > + > +#ifndef _CCU_SUN50I_R329_R_H > +#define _CCU_SUN50I_R329_R_H > + > +#include <dt-bindings/clock/sun50i-r329-r-ccu.h> > +#include <dt-bindings/reset/sun50i-r329-r-ccu.h> > + > +#define CLK_PLL_CPUX 0 > +#define CLK_PLL_PERIPH_BASE 1 > +#define CLK_PLL_PERIPH_2X 2 > +#define CLK_PLL_PERIPH_800M 3 > +#define CLK_PLL_PERIPH 4 > +#define CLK_PLL_AUDIO0 5 > +#define CLK_PLL_AUDIO0_DIV2 6 > +#define CLK_PLL_AUDIO0_DIV5 7 > +#define CLK_PLL_AUDIO1_4X 8 > +#define CLK_PLL_AUDIO1_2X 9 > +#define CLK_PLL_AUDIO1 10 > +#define CLK_R_AHB 11 > + > +/* R_APB1 exported for PIO */ > + > +#define CLK_R_APB2 13 > + > +/* All module / bus gate clocks exported */ > + > +#define CLK_NUMBER (CLK_R_BUS_RTC + 1) > + > +#endif /* _CCU_SUN50I_R329_R_H */ > diff --git a/include/dt-bindings/clock/sun50i-r329-r-ccu.h > b/include/dt-bindings/clock/sun50i-r329-r-ccu.h > new file mode 100644 > index 000000000000..df9bc58de5c4 > --- /dev/null > +++ b/include/dt-bindings/clock/sun50i-r329-r-ccu.h > @@ -0,0 +1,33 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * Copyright (c) 2021 Sipeed > + */ > + > +#ifndef _DT_BINDINGS_CLK_SUN50I_R329_R_CCU_H_ > +#define _DT_BINDINGS_CLK_SUN50I_R329_R_CCU_H_ > + > +#define CLK_R_APB1 12 > + > +#define CLK_R_BUS_GPADC 14 > +#define CLK_R_BUS_THS 15 > +#define CLK_R_BUS_DMA 16 > +#define CLK_R_PWM 17 > +#define CLK_R_BUS_PWM 18 > +#define CLK_R_CODEC_ADC 19 > +#define CLK_R_CODEC_DAC 20 > +#define CLK_R_BUS_CODEC 21 > +#define CLK_R_DMIC 22 > +#define CLK_R_BUS_DMIC 23 > +#define CLK_R_BUS_LRADC 24 > +#define CLK_R_I2S 25 > +#define CLK_R_I2S_ASRC 26 > +#define CLK_R_BUS_I2S 27 > +#define CLK_R_BUS_UART 28 > +#define CLK_R_BUS_I2C 29 > +#define CLK_R_IR 30 > +#define CLK_R_BUS_IR 31 > +#define CLK_R_BUS_MSGBOX 32 > +#define CLK_R_BUS_SPINLOCK 33 > +#define CLK_R_BUS_RTC 34 > + > +#endif /* _DT_BINDINGS_CLK_SUN50I_R329_R_CCU_H_ */ > diff --git a/include/dt-bindings/reset/sun50i-r329-r-ccu.h > b/include/dt-bindings/reset/sun50i-r329-r-ccu.h > new file mode 100644 > index 000000000000..40644f2f21c6 > --- /dev/null > +++ b/include/dt-bindings/reset/sun50i-r329-r-ccu.h > @@ -0,0 +1,24 @@ > +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */ > +/* > + * Copyright (c) 2021 Sipeed > + */ > + > +#ifndef _DT_BINDINGS_RST_SUN50I_R329_R_CCU_H_ > +#define _DT_BINDINGS_RST_SUN50I_R329_R_CCU_H_ > + > +#define RST_R_BUS_GPADC 0 > +#define RST_R_BUS_THS 1 > +#define RST_R_BUS_DMA 2 > +#define RST_R_BUS_PWM 3 > +#define RST_R_BUS_CODEC 4 > +#define RST_R_BUS_DMIC 5 > +#define RST_R_BUS_LRADC 6 > +#define RST_R_BUS_I2S 7 > +#define RST_R_BUS_UART 8 > +#define RST_R_BUS_I2C 9 > +#define RST_R_BUS_IR 10 > +#define RST_R_BUS_MSGBOX 11 > +#define RST_R_BUS_SPINLOCK 12 > +#define RST_R_BUS_RTC 13 > + > +#endif /* _DT_BINDINGS_RST_SUN50I_R329_R_CCU_H_ */
WARNING: multiple messages have this Message-ID (diff)
From: Icenowy Zheng <icenowy@sipeed.com> To: Rob Herring <robh+dt@kernel.org>, Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>, Jernej Skrabec <jernej.skrabec@gmail.com>, Ulf Hansson <ulf.hansson@linaro.org>, Linus Walleij <linus.walleij@linaro.org>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Andre Przywara <andre.przywara@arm.com>, Samuel Holland <samuel@sholland.org> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 10/17] clk: sunxi=ng: add support for R329 R-CCU Date: Mon, 02 Aug 2021 17:52:52 +0800 [thread overview] Message-ID: <d08fbaae055fc88246cd9f39ce5112f80fcc734c.camel@sipeed.com> (raw) In-Reply-To: <20210802062212.73220-11-icenowy@sipeed.com> 在 2021-08-02星期一的 14:22 +0800,Icenowy Zheng写道: > Allwinner R329 has clock controls in PRCM, like other new Allwinner > SoCs. > > Add support for them. > > This driver is added before the main CCU because PLLs are controlled > by > R-CCU on R329. > > Signed-off-by: Icenowy Zheng <icenowy@sipeed.com> > --- > drivers/clk/sunxi-ng/Kconfig | 5 + > drivers/clk/sunxi-ng/Makefile | 1 + > drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c | 374 > ++++++++++++++++++ > drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h | 33 ++ > include/dt-bindings/clock/sun50i-r329-r-ccu.h | 33 ++ > include/dt-bindings/reset/sun50i-r329-r-ccu.h | 24 ++ > 6 files changed, 470 insertions(+) > create mode 100644 drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c > create mode 100644 drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h > create mode 100644 include/dt-bindings/clock/sun50i-r329-r-ccu.h > create mode 100644 include/dt-bindings/reset/sun50i-r329-r-ccu.h > > diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi- > ng/Kconfig > index cd46d8853876..e49b2c2fa5b7 100644 > --- a/drivers/clk/sunxi-ng/Kconfig > +++ b/drivers/clk/sunxi-ng/Kconfig > @@ -42,6 +42,11 @@ config SUN50I_H6_R_CCU > default ARM64 && ARCH_SUNXI > depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST > > +config SUN50I_R329_R_CCU > + bool "Support for the Allwinner R329 PRCM CCU" > + default ARM64 && ARCH_SUNXI > + depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST > + > config SUN4I_A10_CCU > bool "Support for the Allwinner A10/A20 CCU" > default MACH_SUN4I > diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi- > ng/Makefile > index 96c324306d97..db338a2188fd 100644 > --- a/drivers/clk/sunxi-ng/Makefile > +++ b/drivers/clk/sunxi-ng/Makefile > @@ -28,6 +28,7 @@ obj-$(CONFIG_SUN50I_A100_R_CCU) += ccu- > sun50i-a100-r.o > obj-$(CONFIG_SUN50I_H6_CCU) += ccu-sun50i-h6.o > obj-$(CONFIG_SUN50I_H616_CCU) += ccu-sun50i-h616.o > obj-$(CONFIG_SUN50I_H6_R_CCU) += ccu-sun50i-h6-r.o > +obj-$(CONFIG_SUN50I_R329_R_CCU) += ccu-sun50i-r329-r.o > obj-$(CONFIG_SUN4I_A10_CCU) += ccu-sun4i-a10.o > obj-$(CONFIG_SUN5I_CCU) += ccu-sun5i.o > obj-$(CONFIG_SUN6I_A31_CCU) += ccu-sun6i-a31.o > diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c > b/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c > new file mode 100644 > index 000000000000..5413a701cb57 > --- /dev/null > +++ b/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.c > @@ -0,0 +1,374 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (c) 2021 Sipeed > + * Based on the H616 CCU driver, which is: > + * Copyright (c) 2020 Arm Ltd. > + */ > + > +#include <linux/clk-provider.h> > +#include <linux/io.h> > +#include <linux/of_address.h> > +#include <linux/platform_device.h> > + > +#include "ccu_common.h" > +#include "ccu_reset.h" > + > +#include "ccu_div.h" > +#include "ccu_gate.h" > +#include "ccu_mp.h" > +#include "ccu_mult.h" > +#include "ccu_nk.h" > +#include "ccu_nkm.h" > +#include "ccu_nkmp.h" > +#include "ccu_nm.h" > + > +#include "ccu-sun50i-r329-r.h" > + > +/* > + * The M factor is present in the register's description, but not in > the > + * frequency formula, and it's documented as "The bit is only for > + * testing", so it's not modelled and then force to 0. > + */ > +#define SUN50I_R329_PLL_CPUX_REG 0x1000 > +static struct ccu_mult pll_cpux_clk = { > + .enable = BIT(31), > + .lock = BIT(28), > + .mult = _SUNXI_CCU_MULT_MIN(8, 8, 12), > + .common = { > + .reg = 0x1000, > + .hw.init = CLK_HW_INIT("pll-cpux", "osc24M", > + &ccu_mult_ops, > + CLK_SET_RATE_UNGATE), > + }, > +}; > + > +#define SUN50I_R329_PLL_PERIPH_REG 0x1010 > +static struct ccu_nm pll_periph_base_clk = { > + .enable = BIT(31), > + .lock = BIT(28), > + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), > + .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ > + .common = { > + .reg = 0x1010, > + .hw.init = CLK_HW_INIT("pll-periph-base", > "osc24M", > + &ccu_nm_ops, > + CLK_SET_RATE_UNGATE), > + }, > +}; > + > +static SUNXI_CCU_M(pll_periph_2x_clk, "pll-periph-2x", "pll-periph- > base", > + 0x1010, 16, 3, 0); > +static SUNXI_CCU_M(pll_periph_800m_clk, "pll-periph-800m", "pll- > periph-base", > + 0x1010, 20, 3, 0); > +static CLK_FIXED_FACTOR_HW(pll_periph_clk, "pll-periph", > + &pll_periph_2x_clk.common.hw, 2, 1, 0); > + > +#define SUN50I_R329_PLL_AUDIO0_REG 0x1020 > +static struct ccu_sdm_setting pll_audio0_sdm_table[] = { > + { .rate = 1548288000, .pattern = 0xc0070624, .m = 1, .n = 64 > }, > +}; > + > +static struct ccu_nm pll_audio0_clk = { > + .enable = BIT(31), > + .lock = BIT(28), > + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), > + .m = _SUNXI_CCU_DIV(1, 1), > + .sdm = _SUNXI_CCU_SDM(pll_audio0_sdm_table, > + BIT(24), 0x1120, BIT(31)), > + .common = { > + .features = CCU_FEATURE_SIGMA_DELTA_MOD, > + .reg = 0x1020, > + .hw.init = CLK_HW_INIT("pll-audio0", "osc24M", > + &ccu_nm_ops, > + CLK_SET_RATE_UNGATE), > + }, > +}; > + > +static SUNXI_CCU_M(pll_audio0_div2_clk, "pll-audio0-div2", "pll- > audio0", > + 0x1020, 16, 3, 0); > +static SUNXI_CCU_M(pll_audio0_div5_clk, "pll-audio0-div5", "pll- > audio0", > + 0x1020, 20, 3, 0); > + > +/* > + * PLL-AUDIO1 has 3 dividers defined in the datasheet, however the > + * BSP driver always has M0 = 1 and M1 = 2 (this is also the > + * reset value in the register). > + * > + * Here just module it as NM clock, and force M0 = 1 and M1 = 2. > + */ > +#define SUN50I_R329_PLL_AUDIO1_REG 0x1030 > +static struct ccu_sdm_setting pll_audio1_4x_sdm_table[] = { > + { .rate = 22579200, .pattern = 0xc001288d, .m = 12, .n = 22 > }, > + { .rate = 24576000, .pattern = 0xc00126e9, .m = 12, .n = 24 > }, > + { .rate = 90316800, .pattern = 0xc001288d, .m = 3, .n = 22 }, > + { .rate = 98304000, .pattern = 0xc00126e9, .m = 3, .n = 24 }, > +}; Sorry, the SDM table here is wrong -- all rate here should be *2 (because I wrongly assumed how postdiv works with sdm). > +static struct ccu_nm pll_audio1_4x_clk = { > + .enable = BIT(31), > + .lock = BIT(28), > + .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), > + .m = _SUNXI_CCU_DIV(16, 6), > + .fixed_post_div = 2, > + .sdm = _SUNXI_CCU_SDM(pll_audio1_4x_sdm_table, > + BIT(24), 0x1130, BIT(31)), > + .common = { > + .features = CCU_FEATURE_FIXED_POSTDIV | > + CCU_FEATURE_SIGMA_DELTA_MOD, > + .reg = 0x1030, > + .hw.init = CLK_HW_INIT("pll-audio1-4x", > "osc24M", > + &ccu_nm_ops, > + CLK_SET_RATE_UNGATE), > + }, > +}; > + > +static CLK_FIXED_FACTOR_HW(pll_audio1_2x_clk, "pll-audio1-2x", > + &pll_audio1_4x_clk.common.hw, 2, 1, > + CLK_SET_RATE_PARENT); > +static CLK_FIXED_FACTOR_HW(pll_audio1_clk, "pll-audio1", > + &pll_audio1_4x_clk.common.hw, 4, 1, > + CLK_SET_RATE_PARENT); > + > +static const char * const r_bus_parents[] = { "osc24M", "osc32k", > "iosc", > + "pll-periph-2x", > + "pll-audio0-div2" }; > +static SUNXI_CCU_MP_WITH_MUX(r_ahb_clk, "r-ahb", r_bus_parents, > 0x000, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + 0); > + > +static SUNXI_CCU_MP_WITH_MUX(r_apb1_clk, "r-apb1", r_bus_parents, > 0x00c, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + 0); > + > +static SUNXI_CCU_MP_WITH_MUX(r_apb2_clk, "r-apb2", r_bus_parents, > 0x010, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_gpadc_clk, "r-bus-gpadc", "r-apb1", > + 0x0ec, BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_ths_clk, "r-bus-ths", "r-apb1", 0x0fc, > BIT(0), 0); > + > +static SUNXI_CCU_GATE(r_bus_dma_clk, "r-bus-dma", "r-apb1", 0x10c, > BIT(0), 0); > + > +static const char * const r_pwm_parents[] = { "osc24M", "osc32k", > "iosc" }; > +static SUNXI_CCU_MUX_WITH_GATE(r_pwm_clk, "r-pwm", r_pwm_parents, > 0x130, > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_pwm_clk, "r-bus-pwm", "r-apb1", 0x13c, > BIT(0), 0); > + > +static const char * const r_audio_parents[] = { "pll-audio0-div5", > "pll-audio0-div2", > + "pll-audio1-1x", > "pll-audio1-4x" }; > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_codec_adc_clk, "r-codec-adc", > r_audio_parents, 0x140, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_codec_dac_clk, "r-codec-dac", > r_audio_parents, 0x144, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_codec_clk, "r-bus-codec", "r-apb1", > + 0x14c, BIT(0), 0); > + > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_dmic_clk, "r-dmic", > r_audio_parents, 0x150, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_dmic_clk, "r-bus-dmic", "r-apb1", 0x15c, > BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_lradc_clk, "r-bus-lradc", "r-apb1", > + 0x16c, BIT(0), 0); > + > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_i2s_clk, "r-i2s", > r_audio_parents, 0x170, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_i2s_asrc_clk, "r-i2s-asrc", > + r_audio_parents, 0x174, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > +static SUNXI_CCU_GATE(r_bus_i2s_clk, "r-bus-i2s", "r-apb1", 0x17c, > BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_uart_clk, "r-bus-uart", "r-apb2", 0x18c, > BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_i2c_clk, "r-bus-i2c", "r-apb2", 0x19c, > BIT(0), 0); > + > +static const char * const r_ir_parents[] = { "osc32k", "osc24M" }; > +static SUNXI_CCU_MP_WITH_MUX_GATE(r_ir_clk, "r-ir", r_ir_parents, > 0x1c0, > + 0, 5, /* M */ > + 8, 2, /* P */ > + 24, 3, /* mux */ > + BIT(31), /* gate */ > + 0); > + > +static SUNXI_CCU_GATE(r_bus_ir_clk, "r-bus-ir", "r-apb1", 0x1cc, > BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_msgbox_clk, "r-bus-msgbox", "r-apb1", > + 0x1dc, BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_spinlock_clk, "r-bus-spinlock", "r- > apb1", > + 0x1ec, BIT(0), 0); > +static SUNXI_CCU_GATE(r_bus_rtc_clk, "r-bus-rtc", "r-ahb", > + 0x20c, BIT(0), CLK_IS_CRITICAL); > + > +static struct ccu_common *sun50i_r329_r_ccu_clks[] = { > + &pll_cpux_clk.common, > + &pll_periph_base_clk.common, > + &pll_periph_2x_clk.common, > + &pll_periph_800m_clk.common, > + &pll_audio0_clk.common, > + &pll_audio0_div2_clk.common, > + &pll_audio0_div5_clk.common, > + &pll_audio1_4x_clk.common, > + &r_ahb_clk.common, > + &r_apb1_clk.common, > + &r_apb2_clk.common, > + &r_bus_gpadc_clk.common, > + &r_bus_ths_clk.common, > + &r_bus_dma_clk.common, > + &r_pwm_clk.common, > + &r_bus_pwm_clk.common, > + &r_codec_adc_clk.common, > + &r_codec_dac_clk.common, > + &r_bus_codec_clk.common, > + &r_dmic_clk.common, > + &r_bus_dmic_clk.common, > + &r_bus_lradc_clk.common, > + &r_i2s_clk.common, > + &r_i2s_asrc_clk.common, > + &r_bus_i2s_clk.common, > + &r_bus_uart_clk.common, > + &r_bus_i2c_clk.common, > + &r_ir_clk.common, > + &r_bus_ir_clk.common, > + &r_bus_msgbox_clk.common, > + &r_bus_spinlock_clk.common, > + &r_bus_rtc_clk.common, > +}; > + > +static struct clk_hw_onecell_data sun50i_r329_r_hw_clks = { > + .hws = { > + [CLK_PLL_CPUX] = &pll_cpux_clk.common.hw, > + [CLK_PLL_PERIPH_BASE] = > &pll_periph_base_clk.common.hw, > + [CLK_PLL_PERIPH_2X] = > &pll_periph_2x_clk.common.hw, > + [CLK_PLL_PERIPH_800M] = > &pll_periph_800m_clk.common.hw, > + [CLK_PLL_PERIPH] = &pll_periph_clk.hw, > + [CLK_PLL_AUDIO0] = &pll_audio0_clk.common.hw, > + [CLK_PLL_AUDIO0_DIV2] = > &pll_audio0_div2_clk.common.hw, > + [CLK_PLL_AUDIO0_DIV5] = > &pll_audio0_div5_clk.common.hw, > + [CLK_PLL_AUDIO1_4X] = > &pll_audio1_4x_clk.common.hw, > + [CLK_PLL_AUDIO1_2X] = &pll_audio1_2x_clk.hw, > + [CLK_PLL_AUDIO1] = &pll_audio1_clk.hw, > + [CLK_R_AHB] = &r_ahb_clk.common.hw, > + [CLK_R_APB1] = &r_apb1_clk.common.hw, > + [CLK_R_APB2] = &r_apb2_clk.common.hw, > + [CLK_R_BUS_GPADC] = &r_bus_gpadc_clk.common.hw, > + [CLK_R_BUS_THS] = &r_bus_ths_clk.common.hw, > + [CLK_R_BUS_DMA] = &r_bus_dma_clk.common.hw, > + [CLK_R_PWM] = &r_pwm_clk.common.hw, > + [CLK_R_BUS_PWM] = &r_bus_pwm_clk.common.hw, > + [CLK_R_CODEC_ADC] = &r_codec_adc_clk.common.hw, > + [CLK_R_CODEC_DAC] = &r_codec_dac_clk.common.hw, > + [CLK_R_BUS_CODEC] = &r_bus_codec_clk.common.hw, > + [CLK_R_DMIC] = &r_dmic_clk.common.hw, > + [CLK_R_BUS_DMIC] = &r_bus_dmic_clk.common.hw, > + [CLK_R_BUS_LRADC] = &r_bus_lradc_clk.common.hw, > + [CLK_R_I2S] = &r_i2s_clk.common.hw, > + [CLK_R_I2S_ASRC] = &r_i2s_asrc_clk.common.hw, > + [CLK_R_BUS_I2S] = &r_bus_i2s_clk.common.hw, > + [CLK_R_BUS_UART] = &r_bus_uart_clk.common.hw, > + [CLK_R_BUS_I2C] = &r_bus_i2c_clk.common.hw, > + [CLK_R_IR] = &r_ir_clk.common.hw, > + [CLK_R_BUS_IR] = &r_bus_ir_clk.common.hw, > + [CLK_R_BUS_MSGBOX] = > &r_bus_msgbox_clk.common.hw, > + [CLK_R_BUS_SPINLOCK] = > &r_bus_spinlock_clk.common.hw, > + [CLK_R_BUS_RTC] = &r_bus_rtc_clk.common.hw, > + }, > + .num = CLK_NUMBER, > +}; > + > +static struct ccu_reset_map sun50i_r329_r_ccu_resets[] = { > + [RST_R_BUS_GPADC] = { 0x0ec, BIT(16) }, > + [RST_R_BUS_THS] = { 0x0fc, BIT(16) }, > + [RST_R_BUS_DMA] = { 0x10c, BIT(16) }, > + [RST_R_BUS_PWM] = { 0x13c, BIT(16) }, > + [RST_R_BUS_CODEC] = { 0x14c, BIT(16) }, > + [RST_R_BUS_DMIC] = { 0x15c, BIT(16) }, > + [RST_R_BUS_LRADC] = { 0x16c, BIT(16) }, > + [RST_R_BUS_I2S] = { 0x17c, BIT(16) }, > + [RST_R_BUS_UART] = { 0x18c, BIT(16) }, > + [RST_R_BUS_I2C] = { 0x19c, BIT(16) }, > + [RST_R_BUS_IR] = { 0x1cc, BIT(16) }, > + [RST_R_BUS_MSGBOX] = { 0x1dc, BIT(16) }, > + [RST_R_BUS_SPINLOCK] = { 0x1ec, BIT(16) }, > + [RST_R_BUS_RTC] = { 0x20c, BIT(16) }, > +}; > + > +static const struct sunxi_ccu_desc sun50i_r329_r_ccu_desc = { > + .ccu_clks = sun50i_r329_r_ccu_clks, > + .num_ccu_clks = ARRAY_SIZE(sun50i_r329_r_ccu_clks), > + > + .hw_clks = &sun50i_r329_r_hw_clks, > + > + .resets = sun50i_r329_r_ccu_resets, > + .num_resets = ARRAY_SIZE(sun50i_r329_r_ccu_resets), > +}; > + > +static const u32 pll_regs[] = { > + SUN50I_R329_PLL_CPUX_REG, > + SUN50I_R329_PLL_PERIPH_REG, > + SUN50I_R329_PLL_AUDIO0_REG, > + SUN50I_R329_PLL_AUDIO1_REG, > +}; > + > +static void __init sun50i_r329_r_ccu_setup(struct device_node *node) > +{ > + void __iomem *reg; > + u32 val; > + int i; > + > + reg = of_io_request_and_map(node, 0, > of_node_full_name(node)); > + if (IS_ERR(reg)) { > + pr_err("%pOF: Could not map clock registers\n", > node); > + return; > + } > + > + /* Enable the lock bits and the output enable bits on all > PLLs */ > + for (i = 0; i < ARRAY_SIZE(pll_regs); i++) { > + val = readl(reg + pll_regs[i]); > + val |= BIT(29) | BIT(27); > + writel(val, reg + pll_regs[i]); > + } > + > + /* > + * Force the I/O dividers of PLL-AUDIO1 to reset default > value > + * > + * See the comment before pll-audio1 definition for the > reason. > + */ > + > + val = readl(reg + SUN50I_R329_PLL_AUDIO1_REG); > + val &= ~BIT(1); > + val |= BIT(0); > + writel(val, reg + SUN50I_R329_PLL_AUDIO1_REG); > + > + i = sunxi_ccu_probe(node, reg, &sun50i_r329_r_ccu_desc); > + if (i) > + pr_err("%pOF: probing clocks fails: %d\n", node, i); > +} > + > +CLK_OF_DECLARE(sun50i_r329_r_ccu, "allwinner,sun50i-r329-r-ccu", > + sun50i_r329_r_ccu_setup); > diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h > b/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h > new file mode 100644 > index 000000000000..62cf65322116 > --- /dev/null > +++ b/drivers/clk/sunxi-ng/ccu-sun50i-r329-r.h > @@ -0,0 +1,33 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * Copyright (c) 2021 Sipeed > + */ > + > +#ifndef _CCU_SUN50I_R329_R_H > +#define _CCU_SUN50I_R329_R_H > + > +#include <dt-bindings/clock/sun50i-r329-r-ccu.h> > +#include <dt-bindings/reset/sun50i-r329-r-ccu.h> > + > +#define CLK_PLL_CPUX 0 > +#define CLK_PLL_PERIPH_BASE 1 > +#define CLK_PLL_PERIPH_2X 2 > +#define CLK_PLL_PERIPH_800M 3 > +#define CLK_PLL_PERIPH 4 > +#define CLK_PLL_AUDIO0 5 > +#define CLK_PLL_AUDIO0_DIV2 6 > +#define CLK_PLL_AUDIO0_DIV5 7 > +#define CLK_PLL_AUDIO1_4X 8 > +#define CLK_PLL_AUDIO1_2X 9 > +#define CLK_PLL_AUDIO1 10 > +#define CLK_R_AHB 11 > + > +/* R_APB1 exported for PIO */ > + > +#define CLK_R_APB2 13 > + > +/* All module / bus gate clocks exported */ > + > +#define CLK_NUMBER (CLK_R_BUS_RTC + 1) > + > +#endif /* _CCU_SUN50I_R329_R_H */ > diff --git a/include/dt-bindings/clock/sun50i-r329-r-ccu.h > b/include/dt-bindings/clock/sun50i-r329-r-ccu.h > new file mode 100644 > index 000000000000..df9bc58de5c4 > --- /dev/null > +++ b/include/dt-bindings/clock/sun50i-r329-r-ccu.h > @@ -0,0 +1,33 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +/* > + * Copyright (c) 2021 Sipeed > + */ > + > +#ifndef _DT_BINDINGS_CLK_SUN50I_R329_R_CCU_H_ > +#define _DT_BINDINGS_CLK_SUN50I_R329_R_CCU_H_ > + > +#define CLK_R_APB1 12 > + > +#define CLK_R_BUS_GPADC 14 > +#define CLK_R_BUS_THS 15 > +#define CLK_R_BUS_DMA 16 > +#define CLK_R_PWM 17 > +#define CLK_R_BUS_PWM 18 > +#define CLK_R_CODEC_ADC 19 > +#define CLK_R_CODEC_DAC 20 > +#define CLK_R_BUS_CODEC 21 > +#define CLK_R_DMIC 22 > +#define CLK_R_BUS_DMIC 23 > +#define CLK_R_BUS_LRADC 24 > +#define CLK_R_I2S 25 > +#define CLK_R_I2S_ASRC 26 > +#define CLK_R_BUS_I2S 27 > +#define CLK_R_BUS_UART 28 > +#define CLK_R_BUS_I2C 29 > +#define CLK_R_IR 30 > +#define CLK_R_BUS_IR 31 > +#define CLK_R_BUS_MSGBOX 32 > +#define CLK_R_BUS_SPINLOCK 33 > +#define CLK_R_BUS_RTC 34 > + > +#endif /* _DT_BINDINGS_CLK_SUN50I_R329_R_CCU_H_ */ > diff --git a/include/dt-bindings/reset/sun50i-r329-r-ccu.h > b/include/dt-bindings/reset/sun50i-r329-r-ccu.h > new file mode 100644 > index 000000000000..40644f2f21c6 > --- /dev/null > +++ b/include/dt-bindings/reset/sun50i-r329-r-ccu.h > @@ -0,0 +1,24 @@ > +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */ > +/* > + * Copyright (c) 2021 Sipeed > + */ > + > +#ifndef _DT_BINDINGS_RST_SUN50I_R329_R_CCU_H_ > +#define _DT_BINDINGS_RST_SUN50I_R329_R_CCU_H_ > + > +#define RST_R_BUS_GPADC 0 > +#define RST_R_BUS_THS 1 > +#define RST_R_BUS_DMA 2 > +#define RST_R_BUS_PWM 3 > +#define RST_R_BUS_CODEC 4 > +#define RST_R_BUS_DMIC 5 > +#define RST_R_BUS_LRADC 6 > +#define RST_R_BUS_I2S 7 > +#define RST_R_BUS_UART 8 > +#define RST_R_BUS_I2C 9 > +#define RST_R_BUS_IR 10 > +#define RST_R_BUS_MSGBOX 11 > +#define RST_R_BUS_SPINLOCK 12 > +#define RST_R_BUS_RTC 13 > + > +#endif /* _DT_BINDINGS_RST_SUN50I_R329_R_CCU_H_ */ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-08-02 9:54 UTC|newest] Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-02 6:21 [PATCH 00/17] Basical Allwinner R329 support Icenowy Zheng 2021-08-02 6:21 ` Icenowy Zheng 2021-08-02 6:21 ` [PATCH 01/17] rtc: sun6i: Fix time overflow handling Icenowy Zheng 2021-08-02 6:21 ` Icenowy Zheng 2021-08-02 6:21 ` [PATCH 02/17] rtc: sun6i: Add support for linear day storage Icenowy Zheng 2021-08-02 6:21 ` Icenowy Zheng 2021-08-02 6:21 ` [PATCH 03/17] rtc: sun6i: Add support for broken-down alarm registers Icenowy Zheng 2021-08-02 6:21 ` Icenowy Zheng 2021-08-02 6:21 ` [PATCH 04/17] dt-bindings: rtc: sun6i: add compatible string for R329 RTC Icenowy Zheng 2021-08-02 6:21 ` Icenowy Zheng 2021-08-06 21:39 ` Rob Herring 2021-08-06 21:39 ` Rob Herring 2021-08-02 6:22 ` [PATCH 05/17] rtc: sun6i: add support " Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-02 6:22 ` [PATCH 06/17] dt-bindings: pinctrl: document Allwinner R329 PIO and R-PIO Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-06 21:40 ` Rob Herring 2021-08-06 21:40 ` Rob Herring 2021-08-18 8:48 ` Maxime Ripard 2021-08-18 8:48 ` Maxime Ripard 2021-08-19 2:40 ` Samuel Holland 2021-08-19 2:40 ` Samuel Holland 2021-08-02 6:22 ` [PATCH 07/17] pinctrl: sunxi: add support for R329 CPUX pin controller Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-11 9:23 ` Linus Walleij 2021-08-11 9:23 ` Linus Walleij 2021-08-11 9:23 ` Linus Walleij 2021-08-18 8:48 ` Maxime Ripard 2021-08-18 8:48 ` Maxime Ripard 2021-08-19 3:09 ` Samuel Holland 2021-08-19 3:09 ` Samuel Holland 2021-08-02 6:22 ` [PATCH 08/17] pinctrl: sunxi: add support for R329 R-PIO " Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-18 8:52 ` Maxime Ripard 2021-08-18 8:52 ` Maxime Ripard 2021-08-19 3:22 ` Samuel Holland 2021-08-19 3:22 ` Samuel Holland 2021-08-02 6:22 ` [PATCH 09/17] dt-bindings: clock: sunxi-ng: add compatibles for R329 CCUs Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-06 21:41 ` Rob Herring 2021-08-06 21:41 ` Rob Herring 2021-08-02 6:22 ` [PATCH 10/17] clk: sunxi=ng: add support for R329 R-CCU Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-02 9:03 ` Icenowy Zheng 2021-08-02 9:03 ` Icenowy Zheng 2021-08-02 9:52 ` Icenowy Zheng [this message] 2021-08-02 9:52 ` Icenowy Zheng 2021-08-06 21:42 ` Rob Herring 2021-08-06 21:42 ` Rob Herring 2021-08-18 8:50 ` Maxime Ripard 2021-08-18 8:50 ` Maxime Ripard 2021-08-20 0:55 ` Samuel Holland 2021-08-20 0:55 ` Samuel Holland 2021-08-20 4:34 ` Jernej Škrabec 2021-08-20 4:34 ` Jernej Škrabec 2021-08-25 14:50 ` Maxime Ripard 2021-08-25 14:50 ` Maxime Ripard 2021-08-25 15:03 ` Jernej Škrabec 2021-08-25 15:03 ` Jernej Škrabec 2021-08-25 15:37 ` Maxime Ripard 2021-08-25 15:37 ` Maxime Ripard 2021-08-26 0:20 ` Samuel Holland 2021-08-26 0:20 ` Samuel Holland 2021-08-02 6:22 ` [PATCH 11/17] clk: sunxi-ng: add support for Allwinner R329 CCU Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-06 21:42 ` Rob Herring 2021-08-06 21:42 ` Rob Herring 2021-08-20 2:41 ` Samuel Holland 2021-08-20 2:41 ` Samuel Holland 2021-08-20 3:52 ` Icenowy Zheng 2021-08-20 3:52 ` Icenowy Zheng 2021-08-25 14:54 ` Maxime Ripard 2021-08-25 14:54 ` Maxime Ripard 2021-08-02 6:22 ` [PATCH 12/17] dt-bindings: mmc: sunxi-mmc: add R329 MMC compatible string Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-06 21:42 ` Rob Herring 2021-08-06 21:42 ` Rob Herring 2021-08-18 8:47 ` Maxime Ripard 2021-08-18 8:47 ` Maxime Ripard 2021-08-02 6:22 ` [PATCH 13/17] mmc: sunxi: add support for R329 MMC controllers Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-18 8:47 ` Maxime Ripard 2021-08-18 8:47 ` Maxime Ripard 2021-08-20 2:43 ` Samuel Holland 2021-08-20 2:43 ` Samuel Holland 2021-08-02 6:22 ` [PATCH 14/17] dt-bindings: arm: sunxi: add compatible strings for Sipeed MaixSense Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-06 21:43 ` Rob Herring 2021-08-06 21:43 ` Rob Herring 2021-08-18 9:03 ` Maxime Ripard 2021-08-18 9:03 ` Maxime Ripard 2021-08-02 6:22 ` [PATCH 15/17] arm64: allwinner: dts: add DTSI file for R329 SoC Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-18 9:01 ` Maxime Ripard 2021-08-18 9:01 ` Maxime Ripard 2021-08-18 9:15 ` Icenowy Zheng 2021-08-18 9:15 ` Icenowy Zheng 2021-08-19 2:32 ` Samuel Holland 2021-08-19 2:32 ` Samuel Holland 2021-08-20 3:06 ` Samuel Holland 2021-08-20 3:06 ` Samuel Holland 2021-08-25 15:00 ` Maxime Ripard 2021-08-25 15:00 ` Maxime Ripard 2021-08-20 2:59 ` Samuel Holland 2021-08-20 2:59 ` Samuel Holland 2021-08-02 6:22 ` [PATCH 16/17] arm64: allwinner: dts: r329: add DTSI file for Sipeed Maix IIA Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-02 6:22 ` [PATCH 17/17] arm64: allwinner: dts: r329: add support for Sipeed MaixSense Icenowy Zheng 2021-08-02 6:22 ` Icenowy Zheng 2021-08-10 11:04 ` [PATCH 00/17] Basical Allwinner R329 support Ulf Hansson 2021-08-10 11:04 ` Ulf Hansson 2021-08-10 11:04 ` Ulf Hansson
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