Donghwa Lee wrote: > > This patch enables lcd and backlight drivers in NURI board. > > Signed-off-by: Donghwa Lee <[email protected]> > Signed-off-by: Kyungmin Park <[email protected]> > --- > 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 <[email protected]>, Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
