diff options
Diffstat (limited to 'drivers/video/exynos_fb.c')
| -rw-r--r-- | drivers/video/exynos_fb.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/video/exynos_fb.c b/drivers/video/exynos_fb.c index c5d7330804..8f3b8263da 100644 --- a/drivers/video/exynos_fb.c +++ b/drivers/video/exynos_fb.c @@ -19,6 +19,7 @@ #include <asm/arch/mipi_dsim.h> #include <asm/arch/dp_info.h> #include <asm/arch/system.h> +#include <asm/gpio.h> #include <asm-generic/errno.h> #include "exynos_fb.h" @@ -102,6 +103,10 @@ __weak int exynos_lcd_misc_init(vidinfo_t *vid) static void lcd_panel_on(vidinfo_t *vid) { + struct gpio_desc pwm_out_gpio; + struct gpio_desc bl_en_gpio; + unsigned int node; + udelay(vid->init_delay); exynos_backlight_reset(); @@ -121,6 +126,22 @@ static void lcd_panel_on(vidinfo_t *vid) exynos_backlight_on(1); +#ifdef CONFIG_OF_CONTROL + node = fdtdec_next_compatible(gd->fdt_blob, 0, + COMPAT_SAMSUNG_EXYNOS_FIMD); + if (node <= 0) { + debug("FIMD: Can't get device node for FIMD\n"); + return; + } + gpio_request_by_name_nodev(gd->fdt_blob, node, "samsung,pwm-out-gpio", + 0, &pwm_out_gpio, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + + gpio_request_by_name_nodev(gd->fdt_blob, node, "samsung,bl-en-gpio", 0, + &bl_en_gpio, + GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE); + +#endif exynos_cfg_ldo(); exynos_enable_ldo(1); |