diff options
| author | Donghwa Lee <dh09.lee@samsung.com> | 2011-03-08 07:17:09 +0900 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-03-08 07:17:09 +0900 |
| commit | cc7df8727de87b1552278f153eaa1d244bcb7555 (patch) | |
| tree | 0ce0c801b92d8d81af053c5b8c2688d7f3e19bd6 /arch/arm/mach-exynos4 | |
| parent | f5fb4a205cbfff4acd2f567bb8f7a38892ad0dc6 (diff) | |
ARM: EXYNOS4: enabled lcd and backlight in NURI board
This patch enables lcd and backlight drivers in NURI board.
Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'arch/arm/mach-exynos4')
| -rw-r--r-- | arch/arm/mach-exynos4/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-exynos4/mach-nuri.c | 74 |
2 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index d3893f6fdc41..ad55ce78b375 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -150,6 +150,7 @@ config MACH_NURI select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_I2C5 select EXYNOS4_SETUP_SDHCI + select SAMSUNG_DEV_PWM help Machine support for Samsung Mobile NURI Board. diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c index 4767ed1e39fc..b79ad010d194 100644 --- a/arch/arm/mach-exynos4/mach-nuri.c +++ b/arch/arm/mach-exynos4/mach-nuri.c @@ -17,6 +17,10 @@ #include <linux/regulator/machine.h> #include <linux/regulator/fixed.h> #include <linux/mmc/host.h> +#include <linux/fb.h> +#include <linux/pwm_backlight.h> + +#include <video/platform_lcd.h> #include <asm/mach/arch.h> #include <asm/mach-types.h> @@ -181,6 +185,73 @@ static struct platform_device nuri_gpio_keys = { }, }; +static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power) +{ + int gpio = EXYNOS4_GPE1(5); + + gpio_request(gpio, "LVDS_nSHDN"); + gpio_direction_output(gpio, power); + gpio_free(gpio); +} + +static int nuri_bl_init(struct device *dev) +{ + int ret, gpio = EXYNOS4_GPE2(3); + + ret = gpio_request(gpio, "LCD_LDO_EN"); + if (!ret) + gpio_direction_output(gpio, 0); + + return ret; +} + +static int nuri_bl_notify(struct device *dev, int brightness) +{ + if (brightness < 1) + brightness = 0; + + gpio_set_value(EXYNOS4_GPE2(3), 1); + + return brightness; +} + +static void nuri_bl_exit(struct device *dev) +{ + gpio_free(EXYNOS4_GPE2(3)); +} + +/* nuri pwm backlight */ +static struct platform_pwm_backlight_data nuri_backlight_data = { + .pwm_id = 0, + .pwm_period_ns = 30000, + .max_brightness = 100, + .dft_brightness = 50, + .init = nuri_bl_init, + .notify = nuri_bl_notify, + .exit = nuri_bl_exit, +}; + +static struct platform_device nuri_backlight_device = { + .name = "pwm-backlight", + .id = -1, + .dev = { + .parent = &s3c_device_timer[0].dev, + .platform_data = &nuri_backlight_data, + }, +}; + +static struct plat_lcd_data nuri_lcd_platform_data = { + .set_power = nuri_lcd_power_on, +}; + +static struct platform_device nuri_lcd_device = { + .name = "platform-lcd", + .id = -1, + .dev = { + .platform_data = &nuri_lcd_platform_data, + }, +}; + /* I2C1 */ static struct i2c_board_info i2c1_devs[] __initdata = { /* Gyro, To be updated */ @@ -198,9 +269,12 @@ static struct platform_device *nuri_devices[] __initdata = { &s3c_device_hsmmc2, &s3c_device_hsmmc3, &s3c_device_wdt, + &s3c_device_timer[0], /* NURI Devices */ &nuri_gpio_keys, + &nuri_lcd_device, + &nuri_backlight_device, }; static void __init nuri_map_io(void) |