Donghwa Lee wrote:
>
> This patch enables lcd and backlight drivers in NURI board.
>
> Signed-off-by: Donghwa Lee <dh09.lee@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> ---
> 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@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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