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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>
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2 changed files with 75 additions and 0 deletions
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@ -150,6 +150,7 @@ config MACH_NURI
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select EXYNOS4_SETUP_I2C1
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select EXYNOS4_SETUP_I2C5
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select EXYNOS4_SETUP_SDHCI
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select SAMSUNG_DEV_PWM
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help
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Machine support for Samsung Mobile NURI Board.
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@ -17,6 +17,10 @@
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#include <linux/regulator/machine.h>
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#include <linux/regulator/fixed.h>
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#include <linux/mmc/host.h>
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#include <linux/fb.h>
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#include <linux/pwm_backlight.h>
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#include <video/platform_lcd.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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@ -181,6 +185,73 @@ static struct platform_device nuri_gpio_keys = {
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},
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};
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static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power)
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{
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int gpio = EXYNOS4_GPE1(5);
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gpio_request(gpio, "LVDS_nSHDN");
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gpio_direction_output(gpio, power);
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gpio_free(gpio);
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}
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static int nuri_bl_init(struct device *dev)
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{
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int ret, gpio = EXYNOS4_GPE2(3);
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ret = gpio_request(gpio, "LCD_LDO_EN");
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if (!ret)
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gpio_direction_output(gpio, 0);
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return ret;
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}
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static int nuri_bl_notify(struct device *dev, int brightness)
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{
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if (brightness < 1)
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brightness = 0;
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gpio_set_value(EXYNOS4_GPE2(3), 1);
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return brightness;
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}
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static void nuri_bl_exit(struct device *dev)
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{
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gpio_free(EXYNOS4_GPE2(3));
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}
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/* nuri pwm backlight */
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static struct platform_pwm_backlight_data nuri_backlight_data = {
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.pwm_id = 0,
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.pwm_period_ns = 30000,
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.max_brightness = 100,
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.dft_brightness = 50,
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.init = nuri_bl_init,
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.notify = nuri_bl_notify,
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.exit = nuri_bl_exit,
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};
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static struct platform_device nuri_backlight_device = {
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.name = "pwm-backlight",
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.id = -1,
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.dev = {
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.parent = &s3c_device_timer[0].dev,
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.platform_data = &nuri_backlight_data,
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},
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};
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static struct plat_lcd_data nuri_lcd_platform_data = {
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.set_power = nuri_lcd_power_on,
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};
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static struct platform_device nuri_lcd_device = {
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.name = "platform-lcd",
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.id = -1,
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.dev = {
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.platform_data = &nuri_lcd_platform_data,
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},
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};
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/* I2C1 */
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static struct i2c_board_info i2c1_devs[] __initdata = {
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/* Gyro, To be updated */
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@ -198,9 +269,12 @@ static struct platform_device *nuri_devices[] __initdata = {
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&s3c_device_hsmmc2,
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&s3c_device_hsmmc3,
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&s3c_device_wdt,
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&s3c_device_timer[0],
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/* NURI Devices */
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&nuri_gpio_keys,
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&nuri_lcd_device,
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&nuri_backlight_device,
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};
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static void __init nuri_map_io(void)
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