[PATCH v3] ARM: EXYNOS4: enabled lcd and backlight in NURI board

[Kukjin Kim]

Donghwa Lee wrote:
> 
> This patch enables lcd and backlight drivers in NURI board.
> 
> Signed-off-by: Donghwa Lee <dh09.lee at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> ---
> Changes since v2:
> - code clean and make a pair of gpio_request()/gpio_free()
> 
>  arch/arm/mach-exynos4/Kconfig     |    1 +
>  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 5bf00b9..de31e4d 100644
> --- a/arch/arm/mach-exynos4/Kconfig
> +++ b/arch/arm/mach-exynos4/Kconfig
> @@ -135,6 +135,7 @@ 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 28010bd..f18e573 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 */
> @@ -201,8 +272,11 @@ static struct platform_device *nuri_devices[]
__initdata
> = {
>  	&s3c_device_wdt,
>  #endif
> 
> +	&s3c_device_timer[0],
>  	/* NURI Devices */
>  	&nuri_gpio_keys,
> +	&nuri_lcd_device,
> +	&nuri_backlight_device,
>  };
> 
>  static void __init nuri_map_io(void)
> --
> 1.6.0.4

Ok, will apply.
Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.