* [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100
@ 2017-11-28 2:38 Andes
2017-11-28 2:38 ` [U-Boot] [PATCH v3 1/4] ae3xx: timer: Rename AE3XX " Andes
` (3 more replies)
0 siblings, 4 replies; 7+ messages in thread
From: Andes @ 2017-11-28 2:38 UTC (permalink / raw)
To: u-boot
From: Rick Chen <rickchen36@gmail.com>
Changelog v3
- Patch 1/4: No change.
- Patch 2/4: No change.
- Patch 3/4: New.
- Patch 4/4: No change.
Patch 3/4
1. Use dev_get_platdata to get dev private platdata.
Rick Chen (4):
ae3xx: timer: Rename AE3XX to ATCPIT100
cosmetic: atcpit100_timer: Rename function name as atcpit100
cosmetic: atcpit100_timer: Use device api to get platdata
dt-bindings: timer: Add andestech atcpit100 timer
configs/adp-ae3xx_defconfig | 2 +-
doc/device-tree-bindings/timer/atcpit100_timer.txt | 31 ++++++
drivers/timer/Kconfig | 7 +-
drivers/timer/Makefile | 2 +-
drivers/timer/ae3xx_timer.c | 117 ---------------------
drivers/timer/atcpit100_timer.c | 117 +++++++++++++++++++++
6 files changed, 154 insertions(+), 122 deletions(-)
create mode 100644 doc/device-tree-bindings/timer/atcpit100_timer.txt
delete mode 100644 drivers/timer/ae3xx_timer.c
create mode 100644 drivers/timer/atcpit100_timer.c
--
2.7.4
^ permalink raw reply [flat|nested] 7+ messages in thread* [U-Boot] [PATCH v3 1/4] ae3xx: timer: Rename AE3XX to ATCPIT100 2017-11-28 2:38 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Andes @ 2017-11-28 2:38 ` Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 2/4] cosmetic: atcpit100_timer: Rename function name as atcpit100 Andes ` (2 subsequent siblings) 3 siblings, 0 replies; 7+ messages in thread From: Andes @ 2017-11-28 2:38 UTC (permalink / raw) To: u-boot From: Rick Chen <rickchen36@gmail.com> ATCPIT100 is Andestech timer IP which is embeded in AE3XX and AE250 boards. So rename AE3XX to ATCPIT100 will be more make sence. Signed-off-by: rick <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> --- configs/adp-ae3xx_defconfig | 2 +- drivers/timer/Kconfig | 7 +-- drivers/timer/Makefile | 2 +- drivers/timer/ae3xx_timer.c | 117 ---------------------------------------- drivers/timer/atcpit100_timer.c | 117 ++++++++++++++++++++++++++++++++++++++++ 5 files changed, 123 insertions(+), 122 deletions(-) delete mode 100644 drivers/timer/ae3xx_timer.c create mode 100644 drivers/timer/atcpit100_timer.c diff --git a/configs/adp-ae3xx_defconfig b/configs/adp-ae3xx_defconfig index a3a40bf..337cee1 100644 --- a/configs/adp-ae3xx_defconfig +++ b/configs/adp-ae3xx_defconfig @@ -35,4 +35,4 @@ CONFIG_SYS_NS16550=y CONFIG_DM_SPI=y CONFIG_NDS_AE3XX_SPI=y CONFIG_TIMER=y -CONFIG_AE3XX_TIMER=y +CONFIG_ATCPIT100_TIMER=y diff --git a/drivers/timer/Kconfig b/drivers/timer/Kconfig index 6305bbf..fcfdf4e 100644 --- a/drivers/timer/Kconfig +++ b/drivers/timer/Kconfig @@ -105,11 +105,12 @@ config AG101P_TIMER help Select this to enable a timer for AG01P devices. -config AE3XX_TIMER - bool "AE3XX timer support" +config ATCPIT100_TIMER + bool "ATCPIT100 timer support" depends on TIMER && NDS32 help - Select this to enable a timer for AE3XX devices. + Select this to enable a ATCPIT100 timer which will be embeded + in AE3XX, AE250 boards. config ROCKCHIP_TIMER bool "Rockchip timer support" diff --git a/drivers/timer/Makefile b/drivers/timer/Makefile index 69e8961..15e5154 100644 --- a/drivers/timer/Makefile +++ b/drivers/timer/Makefile @@ -13,6 +13,6 @@ obj-$(CONFIG_AST_TIMER) += ast_timer.o obj-$(CONFIG_STI_TIMER) += sti-timer.o obj-$(CONFIG_ARC_TIMER) += arc_timer.o obj-$(CONFIG_AG101P_TIMER) += ag101p_timer.o -obj-$(CONFIG_AE3XX_TIMER) += ae3xx_timer.o +obj-$(CONFIG_ATCPIT100_TIMER) += atcpit100_timer.o obj-$(CONFIG_ROCKCHIP_TIMER) += rockchip_timer.o obj-$(CONFIG_ATMEL_PIT_TIMER) += atmel_pit_timer.o diff --git a/drivers/timer/ae3xx_timer.c b/drivers/timer/ae3xx_timer.c deleted file mode 100644 index b710c28..0000000 --- a/drivers/timer/ae3xx_timer.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Andestech ATCPIT100 timer driver - * - * (C) Copyright 2016 - * Rick Chen, NDS32 Software Engineering, rick at andestech.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <dm.h> -#include <errno.h> -#include <timer.h> -#include <linux/io.h> - -DECLARE_GLOBAL_DATA_PTR; - -#define REG32_TMR(x) (*(u32 *) ((plat->regs) + (x>>2))) - -/* - * Definition of register offsets - */ - -/* ID and Revision Register */ -#define ID_REV 0x0 - -/* Configuration Register */ -#define CFG 0x10 - -/* Interrupt Enable Register */ -#define INT_EN 0x14 -#define CH_INT_EN(c , i) ((1<<i)<<(4*c)) - -/* Interrupt Status Register */ -#define INT_STA 0x18 -#define CH_INT_STA(c , i) ((1<<i)<<(4*c)) - -/* Channel Enable Register */ -#define CH_EN 0x1C -#define CH_TMR_EN(c , t) ((1<<t)<<(4*c)) - -/* Ch n Control REgister */ -#define CH_CTL(n) (0x20+0x10*n) -/* Channel clock source , bit 3 , 0:External clock , 1:APB clock */ -#define APB_CLK (1<<3) -/* Channel mode , bit 0~2 */ -#define TMR_32 1 -#define TMR_16 2 -#define TMR_8 3 -#define PWM 4 - -#define CH_REL(n) (0x24+0x10*n) -#define CH_CNT(n) (0x28+0x10*n) - -struct atctmr_timer_regs { - u32 id_rev; /* 0x00 */ - u32 reservd[3]; /* 0x04 ~ 0x0c */ - u32 cfg; /* 0x10 */ - u32 int_en; /* 0x14 */ - u32 int_st; /* 0x18 */ - u32 ch_en; /* 0x1c */ - u32 ch0_ctrl; /* 0x20 */ - u32 ch0_reload; /* 0x24 */ - u32 ch0_cntr; /* 0x28 */ - u32 reservd1; /* 0x2c */ - u32 ch1_ctrl; /* 0x30 */ - u32 ch1_reload; /* 0x34 */ - u32 int_mask; /* 0x38 */ -}; - -struct atftmr_timer_platdata { - u32 *regs; -}; - -static int atftmr_timer_get_count(struct udevice *dev, u64 *count) -{ - struct atftmr_timer_platdata *plat = dev->platdata; - u32 val; - val = ~(REG32_TMR(CH_CNT(1))+0xffffffff); - *count = timer_conv_64(val); - return 0; -} - -static int atctmr_timer_probe(struct udevice *dev) -{ - struct atftmr_timer_platdata *plat = dev->platdata; - REG32_TMR(CH_REL(1)) = 0xffffffff; - REG32_TMR(CH_CTL(1)) = APB_CLK|TMR_32; - REG32_TMR(CH_EN) |= CH_TMR_EN(1 , 0); - return 0; -} - -static int atctme_timer_ofdata_to_platdata(struct udevice *dev) -{ - struct atftmr_timer_platdata *plat = dev_get_platdata(dev); - plat->regs = map_physmem(devfdt_get_addr(dev) , 0x100 , MAP_NOCACHE); - return 0; -} - -static const struct timer_ops ag101p_timer_ops = { - .get_count = atftmr_timer_get_count, -}; - -static const struct udevice_id ag101p_timer_ids[] = { - { .compatible = "andestech,atcpit100" }, - {} -}; - -U_BOOT_DRIVER(altera_timer) = { - .name = "ae3xx_timer", - .id = UCLASS_TIMER, - .of_match = ag101p_timer_ids, - .ofdata_to_platdata = atctme_timer_ofdata_to_platdata, - .platdata_auto_alloc_size = sizeof(struct atftmr_timer_platdata), - .probe = atctmr_timer_probe, - .ops = &ag101p_timer_ops, - .flags = DM_FLAG_PRE_RELOC, -}; diff --git a/drivers/timer/atcpit100_timer.c b/drivers/timer/atcpit100_timer.c new file mode 100644 index 0000000..b710c28 --- /dev/null +++ b/drivers/timer/atcpit100_timer.c @@ -0,0 +1,117 @@ +/* + * Andestech ATCPIT100 timer driver + * + * (C) Copyright 2016 + * Rick Chen, NDS32 Software Engineering, rick at andestech.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <timer.h> +#include <linux/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define REG32_TMR(x) (*(u32 *) ((plat->regs) + (x>>2))) + +/* + * Definition of register offsets + */ + +/* ID and Revision Register */ +#define ID_REV 0x0 + +/* Configuration Register */ +#define CFG 0x10 + +/* Interrupt Enable Register */ +#define INT_EN 0x14 +#define CH_INT_EN(c , i) ((1<<i)<<(4*c)) + +/* Interrupt Status Register */ +#define INT_STA 0x18 +#define CH_INT_STA(c , i) ((1<<i)<<(4*c)) + +/* Channel Enable Register */ +#define CH_EN 0x1C +#define CH_TMR_EN(c , t) ((1<<t)<<(4*c)) + +/* Ch n Control REgister */ +#define CH_CTL(n) (0x20+0x10*n) +/* Channel clock source , bit 3 , 0:External clock , 1:APB clock */ +#define APB_CLK (1<<3) +/* Channel mode , bit 0~2 */ +#define TMR_32 1 +#define TMR_16 2 +#define TMR_8 3 +#define PWM 4 + +#define CH_REL(n) (0x24+0x10*n) +#define CH_CNT(n) (0x28+0x10*n) + +struct atctmr_timer_regs { + u32 id_rev; /* 0x00 */ + u32 reservd[3]; /* 0x04 ~ 0x0c */ + u32 cfg; /* 0x10 */ + u32 int_en; /* 0x14 */ + u32 int_st; /* 0x18 */ + u32 ch_en; /* 0x1c */ + u32 ch0_ctrl; /* 0x20 */ + u32 ch0_reload; /* 0x24 */ + u32 ch0_cntr; /* 0x28 */ + u32 reservd1; /* 0x2c */ + u32 ch1_ctrl; /* 0x30 */ + u32 ch1_reload; /* 0x34 */ + u32 int_mask; /* 0x38 */ +}; + +struct atftmr_timer_platdata { + u32 *regs; +}; + +static int atftmr_timer_get_count(struct udevice *dev, u64 *count) +{ + struct atftmr_timer_platdata *plat = dev->platdata; + u32 val; + val = ~(REG32_TMR(CH_CNT(1))+0xffffffff); + *count = timer_conv_64(val); + return 0; +} + +static int atctmr_timer_probe(struct udevice *dev) +{ + struct atftmr_timer_platdata *plat = dev->platdata; + REG32_TMR(CH_REL(1)) = 0xffffffff; + REG32_TMR(CH_CTL(1)) = APB_CLK|TMR_32; + REG32_TMR(CH_EN) |= CH_TMR_EN(1 , 0); + return 0; +} + +static int atctme_timer_ofdata_to_platdata(struct udevice *dev) +{ + struct atftmr_timer_platdata *plat = dev_get_platdata(dev); + plat->regs = map_physmem(devfdt_get_addr(dev) , 0x100 , MAP_NOCACHE); + return 0; +} + +static const struct timer_ops ag101p_timer_ops = { + .get_count = atftmr_timer_get_count, +}; + +static const struct udevice_id ag101p_timer_ids[] = { + { .compatible = "andestech,atcpit100" }, + {} +}; + +U_BOOT_DRIVER(altera_timer) = { + .name = "ae3xx_timer", + .id = UCLASS_TIMER, + .of_match = ag101p_timer_ids, + .ofdata_to_platdata = atctme_timer_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct atftmr_timer_platdata), + .probe = atctmr_timer_probe, + .ops = &ag101p_timer_ops, + .flags = DM_FLAG_PRE_RELOC, +}; -- 2.7.4 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* [U-Boot] [PATCH v3 2/4] cosmetic: atcpit100_timer: Rename function name as atcpit100 2017-11-28 2:38 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 1/4] ae3xx: timer: Rename AE3XX " Andes @ 2017-11-28 2:38 ` Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 3/4] cosmetic: atcpit100_timer: Use device api to get platdata Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer Andes 3 siblings, 0 replies; 7+ messages in thread From: Andes @ 2017-11-28 2:38 UTC (permalink / raw) To: u-boot From: Rick Chen <rickchen36@gmail.com> Integrate function and struct name as atcpit100 will be more reasonable. Signed-off-by: rick <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com> --- drivers/timer/atcpit100_timer.c | 34 +++++++++++++++++----------------- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/drivers/timer/atcpit100_timer.c b/drivers/timer/atcpit100_timer.c index b710c28..d5146dd 100644 --- a/drivers/timer/atcpit100_timer.c +++ b/drivers/timer/atcpit100_timer.c @@ -67,51 +67,51 @@ struct atctmr_timer_regs { u32 int_mask; /* 0x38 */ }; -struct atftmr_timer_platdata { +struct atcpit_timer_platdata { u32 *regs; }; -static int atftmr_timer_get_count(struct udevice *dev, u64 *count) +static int atcpit_timer_get_count(struct udevice *dev, u64 *count) { - struct atftmr_timer_platdata *plat = dev->platdata; + struct atcpit_timer_platdata *plat = dev->platdata; u32 val; val = ~(REG32_TMR(CH_CNT(1))+0xffffffff); *count = timer_conv_64(val); return 0; } -static int atctmr_timer_probe(struct udevice *dev) +static int atcpit_timer_probe(struct udevice *dev) { - struct atftmr_timer_platdata *plat = dev->platdata; + struct atcpit_timer_platdata *plat = dev->platdata; REG32_TMR(CH_REL(1)) = 0xffffffff; REG32_TMR(CH_CTL(1)) = APB_CLK|TMR_32; REG32_TMR(CH_EN) |= CH_TMR_EN(1 , 0); return 0; } -static int atctme_timer_ofdata_to_platdata(struct udevice *dev) +static int atcpit_timer_ofdata_to_platdata(struct udevice *dev) { - struct atftmr_timer_platdata *plat = dev_get_platdata(dev); + struct atcpit_timer_platdata *plat = dev_get_platdata(dev); plat->regs = map_physmem(devfdt_get_addr(dev) , 0x100 , MAP_NOCACHE); return 0; } -static const struct timer_ops ag101p_timer_ops = { - .get_count = atftmr_timer_get_count, +static const struct timer_ops atcpit_timer_ops = { + .get_count = atcpit_timer_get_count, }; -static const struct udevice_id ag101p_timer_ids[] = { +static const struct udevice_id atcpit_timer_ids[] = { { .compatible = "andestech,atcpit100" }, {} }; -U_BOOT_DRIVER(altera_timer) = { - .name = "ae3xx_timer", +U_BOOT_DRIVER(atcpit100_timer) = { + .name = "atcpit100_timer", .id = UCLASS_TIMER, - .of_match = ag101p_timer_ids, - .ofdata_to_platdata = atctme_timer_ofdata_to_platdata, - .platdata_auto_alloc_size = sizeof(struct atftmr_timer_platdata), - .probe = atctmr_timer_probe, - .ops = &ag101p_timer_ops, + .of_match = atcpit_timer_ids, + .ofdata_to_platdata = atcpit_timer_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct atcpit_timer_platdata), + .probe = atcpit_timer_probe, + .ops = &atcpit_timer_ops, .flags = DM_FLAG_PRE_RELOC, }; -- 2.7.4 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* [U-Boot] [PATCH v3 3/4] cosmetic: atcpit100_timer: Use device api to get platdata 2017-11-28 2:38 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 1/4] ae3xx: timer: Rename AE3XX " Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 2/4] cosmetic: atcpit100_timer: Rename function name as atcpit100 Andes @ 2017-11-28 2:38 ` Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer Andes 3 siblings, 0 replies; 7+ messages in thread From: Andes @ 2017-11-28 2:38 UTC (permalink / raw) To: u-boot From: Rick Chen <rickchen36@gmail.com> Use dev_get_platdata to get private platdata. Signed-off-by: rick <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com> --- drivers/timer/atcpit100_timer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/timer/atcpit100_timer.c b/drivers/timer/atcpit100_timer.c index d5146dd..963f978 100644 --- a/drivers/timer/atcpit100_timer.c +++ b/drivers/timer/atcpit100_timer.c @@ -73,7 +73,7 @@ struct atcpit_timer_platdata { static int atcpit_timer_get_count(struct udevice *dev, u64 *count) { - struct atcpit_timer_platdata *plat = dev->platdata; + struct atcpit_timer_platdata *plat = dev_get_platdata(dev); u32 val; val = ~(REG32_TMR(CH_CNT(1))+0xffffffff); *count = timer_conv_64(val); @@ -82,7 +82,7 @@ static int atcpit_timer_get_count(struct udevice *dev, u64 *count) static int atcpit_timer_probe(struct udevice *dev) { - struct atcpit_timer_platdata *plat = dev->platdata; + struct atcpit_timer_platdata *plat = dev_get_platdata(dev); REG32_TMR(CH_REL(1)) = 0xffffffff; REG32_TMR(CH_CTL(1)) = APB_CLK|TMR_32; REG32_TMR(CH_EN) |= CH_TMR_EN(1 , 0); -- 2.7.4 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer 2017-11-28 2:38 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Andes ` (2 preceding siblings ...) 2017-11-28 2:38 ` [U-Boot] [PATCH v3 3/4] cosmetic: atcpit100_timer: Use device api to get platdata Andes @ 2017-11-28 2:38 ` Andes 3 siblings, 0 replies; 7+ messages in thread From: Andes @ 2017-11-28 2:38 UTC (permalink / raw) To: u-boot From: Rick Chen <rickchen36@gmail.com> Add a document to describe Andestech atcpit100 timer and binding information. Signed-off-by: rick <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> --- doc/device-tree-bindings/timer/atcpit100_timer.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 doc/device-tree-bindings/timer/atcpit100_timer.txt diff --git a/doc/device-tree-bindings/timer/atcpit100_timer.txt b/doc/device-tree-bindings/timer/atcpit100_timer.txt new file mode 100644 index 0000000..620814e --- /dev/null +++ b/doc/device-tree-bindings/timer/atcpit100_timer.txt @@ -0,0 +1,31 @@ +Andestech ATCPIT100 timer +------------------------------------------------------------------ +ATCPIT100 is a generic IP block from Andes Technology, embedded in +Andestech AE3XX, AE250 platforms and other designs. + +This timer is a set of compact multi-function timers, which can be +used as pulse width modulators (PWM) as well as simple timers. + +It supports up to 4 PIT channels. Each PIT channel is a +multi-function timer and provide the following usage scenarios: +One 32-bit timer +Two 16-bit timers +Four 8-bit timers +One 16-bit PWM +One 16-bit timer and one 8-bit PWM +Two 8-bit timer and one 8-bit PWM + +Required properties: +- compatible : Should be "andestech,atcpit100" +- reg : Address and length of the register set +- interrupts : Reference to the timer interrupt +- clock-frequency : The rate in HZ in input of the Andestech ATCPIT100 timer + +Examples: + +timer0: timer at f0400000 { + compatible = "andestech,atcpit100"; + reg = <0xf0400000 0x1000>; + interrupts = <2 4>; + clock-frequency = <30000000>; +}: -- 2.7.4 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 @ 2017-11-28 2:29 Rick Chen 2017-11-28 2:29 ` [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer Rick Chen 0 siblings, 1 reply; 7+ messages in thread From: Rick Chen @ 2017-11-28 2:29 UTC (permalink / raw) To: u-boot Changelog v3 - Patch 1/4: No change. - Patch 2/4: No change. - Patch 3/4: New. - Patch 4/4: No change. Patch 3/4 1. Use dev_get_platdata to get dev private platdata. Rick Chen (4): ae3xx: timer: Rename AE3XX to ATCPIT100 cosmetic: atcpit100_timer: Rename function name as atcpit100 cosmetic: atcpit100_timer: Use device api to get platdata dt-bindings: timer: Add andestech atcpit100 timer configs/adp-ae3xx_defconfig | 2 +- doc/device-tree-bindings/timer/atcpit100_timer.txt | 31 ++++++ drivers/timer/Kconfig | 7 +- drivers/timer/Makefile | 2 +- drivers/timer/ae3xx_timer.c | 117 --------------------- drivers/timer/atcpit100_timer.c | 117 +++++++++++++++++++++ 6 files changed, 154 insertions(+), 122 deletions(-) create mode 100644 doc/device-tree-bindings/timer/atcpit100_timer.txt delete mode 100644 drivers/timer/ae3xx_timer.c create mode 100644 drivers/timer/atcpit100_timer.c -- 2.7.4 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer 2017-11-28 2:29 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Rick Chen @ 2017-11-28 2:29 ` Rick Chen 0 siblings, 0 replies; 7+ messages in thread From: Rick Chen @ 2017-11-28 2:29 UTC (permalink / raw) To: u-boot Add a document to describe Andestech atcpit100 timer and binding information. Signed-off-by: rick <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> --- doc/device-tree-bindings/timer/atcpit100_timer.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 doc/device-tree-bindings/timer/atcpit100_timer.txt diff --git a/doc/device-tree-bindings/timer/atcpit100_timer.txt b/doc/device-tree-bindings/timer/atcpit100_timer.txt new file mode 100644 index 0000000..620814e --- /dev/null +++ b/doc/device-tree-bindings/timer/atcpit100_timer.txt @@ -0,0 +1,31 @@ +Andestech ATCPIT100 timer +------------------------------------------------------------------ +ATCPIT100 is a generic IP block from Andes Technology, embedded in +Andestech AE3XX, AE250 platforms and other designs. + +This timer is a set of compact multi-function timers, which can be +used as pulse width modulators (PWM) as well as simple timers. + +It supports up to 4 PIT channels. Each PIT channel is a +multi-function timer and provide the following usage scenarios: +One 32-bit timer +Two 16-bit timers +Four 8-bit timers +One 16-bit PWM +One 16-bit timer and one 8-bit PWM +Two 8-bit timer and one 8-bit PWM + +Required properties: +- compatible : Should be "andestech,atcpit100" +- reg : Address and length of the register set +- interrupts : Reference to the timer interrupt +- clock-frequency : The rate in HZ in input of the Andestech ATCPIT100 timer + +Examples: + +timer0: timer at f0400000 { + compatible = "andestech,atcpit100"; + reg = <0xf0400000 0x1000>; + interrupts = <2 4>; + clock-frequency = <30000000>; +}: -- 2.7.4 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 @ 2017-11-28 2:20 Rick Chen 2017-11-28 2:20 ` [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer Rick Chen 0 siblings, 1 reply; 7+ messages in thread From: Rick Chen @ 2017-11-28 2:20 UTC (permalink / raw) To: u-boot Changelog v3 - Patch 1/4: No change. - Patch 2/4: No change. - Patch 3/4: New. - Patch 4/4: No change. Patch 3/4 1. Use dev_get_platdata to get dev private platdata. Rick Chen (4): ae3xx: timer: Rename AE3XX to ATCPIT100 cosmetic: atcpit100_timer: Rename function name as atcpit100 cosmetic: atcpit100_timer: Use device api to get platdata dt-bindings: timer: Add andestech atcpit100 timer configs/adp-ae3xx_defconfig | 2 +- doc/device-tree-bindings/timer/atcpit100_timer.txt | 31 ++++++ drivers/timer/Kconfig | 7 +- drivers/timer/Makefile | 2 +- drivers/timer/ae3xx_timer.c | 117 --------------------- drivers/timer/atcpit100_timer.c | 117 +++++++++++++++++++++ 6 files changed, 154 insertions(+), 122 deletions(-) create mode 100644 doc/device-tree-bindings/timer/atcpit100_timer.txt delete mode 100644 drivers/timer/ae3xx_timer.c create mode 100644 drivers/timer/atcpit100_timer.c -- 2.7.4 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer 2017-11-28 2:20 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Rick Chen @ 2017-11-28 2:20 ` Rick Chen 0 siblings, 0 replies; 7+ messages in thread From: Rick Chen @ 2017-11-28 2:20 UTC (permalink / raw) To: u-boot Add a document to describe Andestech atcpit100 timer and binding information. Signed-off-by: rick <rick@andestech.com> Signed-off-by: Rick Chen <rickchen36@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> --- doc/device-tree-bindings/timer/atcpit100_timer.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 doc/device-tree-bindings/timer/atcpit100_timer.txt diff --git a/doc/device-tree-bindings/timer/atcpit100_timer.txt b/doc/device-tree-bindings/timer/atcpit100_timer.txt new file mode 100644 index 0000000..620814e --- /dev/null +++ b/doc/device-tree-bindings/timer/atcpit100_timer.txt @@ -0,0 +1,31 @@ +Andestech ATCPIT100 timer +------------------------------------------------------------------ +ATCPIT100 is a generic IP block from Andes Technology, embedded in +Andestech AE3XX, AE250 platforms and other designs. + +This timer is a set of compact multi-function timers, which can be +used as pulse width modulators (PWM) as well as simple timers. + +It supports up to 4 PIT channels. Each PIT channel is a +multi-function timer and provide the following usage scenarios: +One 32-bit timer +Two 16-bit timers +Four 8-bit timers +One 16-bit PWM +One 16-bit timer and one 8-bit PWM +Two 8-bit timer and one 8-bit PWM + +Required properties: +- compatible : Should be "andestech,atcpit100" +- reg : Address and length of the register set +- interrupts : Reference to the timer interrupt +- clock-frequency : The rate in HZ in input of the Andestech ATCPIT100 timer + +Examples: + +timer0: timer at f0400000 { + compatible = "andestech,atcpit100"; + reg = <0xf0400000 0x1000>; + interrupts = <2 4>; + clock-frequency = <30000000>; +}: -- 2.7.4 ^ permalink raw reply related [flat|nested] 7+ messages in thread
end of thread, other threads:[~2017-11-28 2:38 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2017-11-28 2:38 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 1/4] ae3xx: timer: Rename AE3XX " Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 2/4] cosmetic: atcpit100_timer: Rename function name as atcpit100 Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 3/4] cosmetic: atcpit100_timer: Use device api to get platdata Andes 2017-11-28 2:38 ` [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer Andes -- strict thread matches above, loose matches on Subject: below -- 2017-11-28 2:29 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Rick Chen 2017-11-28 2:29 ` [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer Rick Chen 2017-11-28 2:20 [U-Boot] [PATCH v3 0/4] Rename AE3XX timer to ATCPIT100 Rick Chen 2017-11-28 2:20 ` [U-Boot] [PATCH v3 4/4] dt-bindings: timer: Add andestech atcpit100 timer Rick Chen
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