This is commonly used for LCD backlight control. Add pinmux support for it on exynos5250 and 5420.
Signed-off-by: Simon Glass sjg@chromium.org ---
Changes in v2: None
arch/arm/mach-exynos/pinmux.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm/mach-exynos/pinmux.c b/arch/arm/mach-exynos/pinmux.c index 12eb79c..fec2df9 100644 --- a/arch/arm/mach-exynos/pinmux.c +++ b/arch/arm/mach-exynos/pinmux.c @@ -506,6 +506,9 @@ static int exynos5_pinmux_config(int peripheral, int flags) */ gpio_set_pull(EXYNOS5_GPIO_X07, S5P_GPIO_PULL_NONE); break; + case PERIPH_ID_PWM0: + gpio_cfg_pin(EXYNOS5_GPIO_B20, S5P_GPIO_FUNC(2)); + break; default: debug("%s: invalid peripheral %d", __func__, peripheral); return -1; @@ -548,6 +551,9 @@ static int exynos5420_pinmux_config(int peripheral, int flags) case PERIPH_ID_I2C10: exynos5420_i2c_config(peripheral); break; + case PERIPH_ID_PWM0: + gpio_cfg_pin(EXYNOS5420_GPIO_B20, S5P_GPIO_FUNC(2)); + break; default: debug("%s: invalid peripheral %d", __func__, peripheral); return -1;