Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit cc7df872 authored by Donghwa Lee's avatar Donghwa Lee Committed by Kukjin Kim
Browse files

ARM: EXYNOS4: enabled lcd and backlight in NURI board 



This patch enables lcd and backlight drivers in NURI board.

Signed-off-by: default avatarDonghwa Lee <dh09.lee@samsung.com>
Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent f5fb4a20

arch/arm/mach-exynos4/Kconfig

+1 −0
Original line number Original line Diff line number Diff line
@@ -150,6 +150,7 @@ config MACH_NURI 
	select EXYNOS4_SETUP_I2C1

	select EXYNOS4_SETUP_I2C1

	select EXYNOS4_SETUP_I2C5

	select EXYNOS4_SETUP_I2C5

	select EXYNOS4_SETUP_SDHCI

	select EXYNOS4_SETUP_SDHCI

	select SAMSUNG_DEV_PWM

	help

	help

	  Machine support for Samsung Mobile NURI Board.

	  Machine support for Samsung Mobile NURI Board.

arch/arm/mach-exynos4/mach-nuri.c

+74 −0
Original line number Original line Diff line number Diff line
@@ -17,6 +17,10 @@ 
#include <linux/regulator/machine.h>

#include <linux/regulator/machine.h>

#include <linux/regulator/fixed.h>

#include <linux/regulator/fixed.h>

#include <linux/mmc/host.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/arch.h>

#include <asm/mach-types.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 */

/* I2C1 */

static struct i2c_board_info i2c1_devs[] __initdata = {

static struct i2c_board_info i2c1_devs[] __initdata = {

	/* Gyro, To be updated */

	/* Gyro, To be updated */
@@ -198,9 +269,12 @@ static struct platform_device *nuri_devices[] __initdata = { 
	&s3c_device_hsmmc2,

	&s3c_device_hsmmc2,

	&s3c_device_hsmmc3,

	&s3c_device_hsmmc3,

	&s3c_device_wdt,

	&s3c_device_wdt,

	&s3c_device_timer[0],





	/* NURI Devices */

	/* NURI Devices */

	&nuri_gpio_keys,

	&nuri_gpio_keys,

	&nuri_lcd_device,

	&nuri_backlight_device,

};

};





static void __init nuri_map_io(void)

static void __init nuri_map_io(void)