diff options
Diffstat (limited to 'arch/arm/plat-samsung')
| -rw-r--r-- | arch/arm/plat-samsung/Kconfig | 13 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/dev-pwm.c | 53 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/pwm.c | 33 |
4 files changed, 67 insertions, 33 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 32be05cf82a3..be72100b81b4 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -273,6 +273,19 @@ config SAMSUNG_DEV_KEYPAD help Compile in platform device definitions for keypad +config SAMSUNG_DEV_PWM + bool + default y if ARCH_S3C2410 + help + Compile in platform device definition for PWM Timer + +config S3C24XX_PWM + bool "PWM device support" + select HAVE_PWM + help + Support for exporting the PWM timer blocks via the pwm device + system + # DMA config S3C_DMA diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index 29932f88a8d6..e9de58a2e294 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_SAMSUNG_DEV_ADC) += dev-adc.o obj-$(CONFIG_SAMSUNG_DEV_IDE) += dev-ide.o obj-$(CONFIG_SAMSUNG_DEV_TS) += dev-ts.o obj-$(CONFIG_SAMSUNG_DEV_KEYPAD) += dev-keypad.o +obj-$(CONFIG_SAMSUNG_DEV_PWM) += dev-pwm.o # DMA support diff --git a/arch/arm/plat-samsung/dev-pwm.c b/arch/arm/plat-samsung/dev-pwm.c new file mode 100644 index 000000000000..dab47b0e1900 --- /dev/null +++ b/arch/arm/plat-samsung/dev-pwm.c @@ -0,0 +1,53 @@ +/* linux/arch/arm/plat-samsung/dev-pwm.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Copyright (c) 2007 Ben Dooks + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org> + * + * S3C series device definition for the PWM timer + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/platform_device.h> + +#include <mach/irqs.h> + +#include <plat/devs.h> + +#define TIMER_RESOURCE_SIZE (1) + +#define TIMER_RESOURCE(_tmr, _irq) \ + (struct resource [TIMER_RESOURCE_SIZE]) { \ + [0] = { \ + .start = _irq, \ + .end = _irq, \ + .flags = IORESOURCE_IRQ \ + } \ + } + +#define DEFINE_S3C_TIMER(_tmr_no, _irq) \ + .name = "s3c24xx-pwm", \ + .id = _tmr_no, \ + .num_resources = TIMER_RESOURCE_SIZE, \ + .resource = TIMER_RESOURCE(_tmr_no, _irq), \ + +/* + * since we already have an static mapping for the timer, + * we do not bother setting any IO resource for the base. + */ + +struct platform_device s3c_device_timer[] = { + [0] = { DEFINE_S3C_TIMER(0, IRQ_TIMER0) }, + [1] = { DEFINE_S3C_TIMER(1, IRQ_TIMER1) }, + [2] = { DEFINE_S3C_TIMER(2, IRQ_TIMER2) }, + [3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) }, + [4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) }, +}; +EXPORT_SYMBOL(s3c_device_timer); diff --git a/arch/arm/plat-samsung/pwm.c b/arch/arm/plat-samsung/pwm.c index 2eeb49fa056d..f37457c52064 100644 --- a/arch/arm/plat-samsung/pwm.c +++ b/arch/arm/plat-samsung/pwm.c @@ -20,10 +20,8 @@ #include <linux/io.h> #include <linux/pwm.h> -#include <mach/irqs.h> #include <mach/map.h> -#include <plat/devs.h> #include <plat/regs-timer.h> struct pwm_device { @@ -47,37 +45,6 @@ struct pwm_device { static struct clk *clk_scaler[2]; -/* Standard setup for a timer block. */ - -#define TIMER_RESOURCE_SIZE (1) - -#define TIMER_RESOURCE(_tmr, _irq) \ - (struct resource [TIMER_RESOURCE_SIZE]) { \ - [0] = { \ - .start = _irq, \ - .end = _irq, \ - .flags = IORESOURCE_IRQ \ - } \ - } - -#define DEFINE_S3C_TIMER(_tmr_no, _irq) \ - .name = "s3c24xx-pwm", \ - .id = _tmr_no, \ - .num_resources = TIMER_RESOURCE_SIZE, \ - .resource = TIMER_RESOURCE(_tmr_no, _irq), \ - -/* since we already have an static mapping for the timer, we do not - * bother setting any IO resource for the base. - */ - -struct platform_device s3c_device_timer[] = { - [0] = { DEFINE_S3C_TIMER(0, IRQ_TIMER0) }, - [1] = { DEFINE_S3C_TIMER(1, IRQ_TIMER1) }, - [2] = { DEFINE_S3C_TIMER(2, IRQ_TIMER2) }, - [3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) }, - [4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) }, -}; - static inline int pwm_is_tdiv(struct pwm_device *pwm) { return clk_get_parent(pwm->clk) == pwm->clk_div; |
