Commit 9edff0f7 authored by Giridhar Maruthy's avatar Giridhar Maruthy Committed by Kukjin Kim

ARM: EXYNOS4: Add PWM backlight support on ORIGEN

This patch adds support for LCD backlight using PWM timer
on ORIGEN board.
Signed-off-by: default avatarGiridhar Maruthy <giridhar.maruthy@linaro.org>
Signed-off-by: default avatarSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 6f8eb324
......@@ -229,6 +229,8 @@ config MACH_ORIGEN
select S5P_DEV_FIMC2
select S5P_DEV_FIMC3
select S5P_DEV_USB_EHCI
select SAMSUNG_DEV_BACKLIGHT
select SAMSUNG_DEV_PWM
select EXYNOS4_SETUP_SDHCI
select EXYNOS4_SETUP_USB_PHY
help
......
......@@ -14,6 +14,7 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/input.h>
#include <linux/pwm_backlight.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
......@@ -26,6 +27,8 @@
#include <plat/iic.h>
#include <plat/ehci.h>
#include <plat/clock.h>
#include <plat/gpio-cfg.h>
#include <plat/backlight.h>
#include <mach/map.h>
......@@ -102,6 +105,17 @@ static struct platform_device *origen_devices[] __initdata = {
&s5p_device_fimc3,
};
/* LCD Backlight data */
static struct samsung_bl_gpio_info origen_bl_gpio_info = {
.no = EXYNOS4_GPD0(0),
.func = S3C_GPIO_SFN(2),
};
static struct platform_pwm_backlight_data origen_bl_data = {
.pwm_id = 0,
.pwm_period_ns = 1000,
};
static void __init origen_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
......@@ -117,6 +131,8 @@ static void __init origen_machine_init(void)
clk_xusbxti.rate = 24000000;
platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices));
samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data);
}
MACHINE_START(ORIGEN, "ORIGEN")
......
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