| Message ID | 1314078344-5354-1-git-send-email-sachin.kamat@linaro.org |
|---|---|
| State | Accepted |
| Headers | show |
Sachin Kamat wrote: > > From: Giridhar Maruthy <giridhar.maruthy@linaro.org> > > This patch adds support for LCD backlight using PWM timer on > Origen board. > > Signed-off-by: Giridhar Maruthy <giridhar.maruthy@linaro.org> > Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> > --- > arch/arm/mach-exynos4/Kconfig | 2 ++ > arch/arm/mach-exynos4/mach-origen.c | 16 ++++++++++++++++ > 2 files changed, 18 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig > index e6925de..3e9138e 100644 > --- a/arch/arm/mach-exynos4/Kconfig > +++ b/arch/arm/mach-exynos4/Kconfig > @@ -230,6 +230,8 @@ config MACH_ORIGEN > select S3C_DEV_RTC > select S3C_DEV_WDT > select S3C_DEV_HSMMC2 > + select SAMSUNG_DEV_BACKLIGHT > + select SAMSUNG_DEV_PWM > select EXYNOS4_SETUP_SDHCI > help > Machine support for ORIGEN based on Samsung EXYNOS4210 > diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach- > origen.c > index ed59f86..b871815 100644 > --- a/arch/arm/mach-exynos4/mach-origen.c > +++ b/arch/arm/mach-exynos4/mach-origen.c > @@ -14,6 +14,7 @@ > #include <linux/platform_device.h> > #include <linux/io.h> > #include <linux/input.h> > +#include <linux/pwm_backlight.h> > > #include <asm/mach/arch.h> > #include <asm/mach-types.h> > @@ -24,6 +25,8 @@ > #include <plat/devs.h> > #include <plat/sdhci.h> > #include <plat/iic.h> > +#include <plat/gpio-cfg.h> > +#include <plat/backlight.h> > > #include <mach/map.h> > > @@ -85,6 +88,17 @@ static struct platform_device *origen_devices[] __initdata = > { > &s3c_device_wdt, > }; > > +/* LCD Backlight data */ > +static struct samsung_bl_gpio_info origen_bl_gpio_info = { > + .no = EXYNOS4_GPD0(0), > + .func = S3C_GPIO_SFN(2), > +}; > + > +static struct platform_pwm_backlight_data origen_bl_data = { > + .pwm_id = 0, > + .pwm_period_ns = 1000, > +}; > + > static void __init origen_map_io(void) > { > s5p_init_io(NULL, 0, S5P_VA_CHIPID); > @@ -96,6 +110,8 @@ static void __init origen_machine_init(void) > { > s3c_sdhci2_set_platdata(&origen_hsmmc2_pdata); > platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices)); > + > + samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data); > } > > MACHINE_START(ORIGEN, "ORIGEN") > -- > 1.7.4.1 OK, will apply. Thanks. Best regards, Kgene. -- Kukjin Kim <kgene.kim@samsung.com>, Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd.
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index e6925de..3e9138e 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -230,6 +230,8 @@ config MACH_ORIGEN select S3C_DEV_RTC select S3C_DEV_WDT select S3C_DEV_HSMMC2 + select SAMSUNG_DEV_BACKLIGHT + select SAMSUNG_DEV_PWM select EXYNOS4_SETUP_SDHCI help Machine support for ORIGEN based on Samsung EXYNOS4210 diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c index ed59f86..b871815 100644 --- a/arch/arm/mach-exynos4/mach-origen.c +++ b/arch/arm/mach-exynos4/mach-origen.c @@ -14,6 +14,7 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/input.h> +#include <linux/pwm_backlight.h> #include <asm/mach/arch.h> #include <asm/mach-types.h> @@ -24,6 +25,8 @@ #include <plat/devs.h> #include <plat/sdhci.h> #include <plat/iic.h> +#include <plat/gpio-cfg.h> +#include <plat/backlight.h> #include <mach/map.h> @@ -85,6 +88,17 @@ static struct platform_device *origen_devices[] __initdata = { &s3c_device_wdt, }; +/* LCD Backlight data */ +static struct samsung_bl_gpio_info origen_bl_gpio_info = { + .no = EXYNOS4_GPD0(0), + .func = S3C_GPIO_SFN(2), +}; + +static struct platform_pwm_backlight_data origen_bl_data = { + .pwm_id = 0, + .pwm_period_ns = 1000, +}; + static void __init origen_map_io(void) { s5p_init_io(NULL, 0, S5P_VA_CHIPID); @@ -96,6 +110,8 @@ static void __init origen_machine_init(void) { s3c_sdhci2_set_platdata(&origen_hsmmc2_pdata); platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices)); + + samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data); } MACHINE_START(ORIGEN, "ORIGEN")