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Diffstat (limited to 'arch/arm/mach-exynos4/mach-nuri.c')
-rw-r--r--arch/arm/mach-exynos4/mach-nuri.c74
1 files changed, 74 insertions, 0 deletions
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)