[U-Boot] [PATCH v2 19/25] exynos: Allow PWM0 pinmux to be set up

Simon Glass
2016-02-22T04:08:56Z

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;
--
2.7.0.rc3.207.g0ac5344