mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-30 16:07:39 +00:00
Code Issues Releases Wiki Activity

ARM: EXYNOS4: enabled lcd and backlight in NURI board

Browse source 
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>
This commit is contained in:
Donghwa Lee 2011-03-08 07:17:09 +09:00 committed by Kukjin Kim
parent f5fb4a205c
commit cc7df8727d
2 changed files with 75 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/arm/mach-exynos4/Kconfig
View file

@ -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.

74
arch/arm/mach-exynos4/mach-nuri.c
View file

@ -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)