This patch adds pinmux configuration for backlight, LCD reset and HPD for DP panel on Exynos5 SMDK.
Signed-off-by: Ajay Kumar ajaykumar.rs@samsung.com --- arch/arm/cpu/armv7/exynos/pinmux.c | 20 ++++++++++++++++++++ arch/arm/include/asm/arch-exynos/periph.h | 1 + 2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/exynos/pinmux.c b/arch/arm/cpu/armv7/exynos/pinmux.c index f02f441..84f52ea 100644 --- a/arch/arm/cpu/armv7/exynos/pinmux.c +++ b/arch/arm/cpu/armv7/exynos/pinmux.c @@ -284,6 +284,23 @@ void exynos5_spi_config(int peripheral) } }
+void exynos5_lcd_config() +{ + struct exynos5_gpio_part1 *gpio1 = + (struct exynos5_gpio_part1 *) samsung_get_base_gpio_part1(); + + /* For Backlight */ + s5p_gpio_cfg_pin(&gpio1->b2, 0, GPIO_OUTPUT); + s5p_gpio_set_value(&gpio1->b2, 0, 1); + + /* LCD power on */ + s5p_gpio_cfg_pin(&gpio1->x1, 5, GPIO_OUTPUT); + s5p_gpio_set_value(&gpio1->x1, 5, 1); + + /* Set Hotplug detect for DP */ + s5p_gpio_cfg_pin(&gpio1->x0, 7, GPIO_FUNC(0x3)); +} + static int exynos5_pinmux_config(int peripheral, int flags) { switch (peripheral) { @@ -321,6 +338,9 @@ static int exynos5_pinmux_config(int peripheral, int flags) case PERIPH_ID_SPI4: exynos5_spi_config(peripheral); break; + case PERIPH_ID_LCD: + exynos5_lcd_config(); + break; default: debug("%s: invalid peripheral %d", __func__, peripheral); return -1; diff --git a/arch/arm/include/asm/arch-exynos/periph.h b/arch/arm/include/asm/arch-exynos/periph.h index 13abd2d..446f5c9 100644 --- a/arch/arm/include/asm/arch-exynos/periph.h +++ b/arch/arm/include/asm/arch-exynos/periph.h @@ -54,6 +54,7 @@ enum periph_id { PERIPH_ID_UART1, PERIPH_ID_UART2, PERIPH_ID_UART3, + PERIPH_ID_LCD,
PERIPH_ID_COUNT, PERIPH_ID_NONE = -1,