dm: exynos: Make sure that GPIOs are requested
With driver model GPIOs must be requested before use. Make sure this is
done correctly.
(Note that the soft SPI part of universal is omitted, since this driver
is about to be replaced with a driver-model-aware version)
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/samsung/smdk5420/smdk5420.c b/board/samsung/smdk5420/smdk5420.c
index 47998ab..a691222 100644
--- a/board/samsung/smdk5420/smdk5420.c
+++ b/board/samsung/smdk5420/smdk5420.c
@@ -74,9 +74,12 @@
mdelay(5);
/* TODO(ajaykumar.rs@samsung.com): Use device tree */
+ gpio_request(EXYNOS5420_GPIO_X35, "edp_slp#");
gpio_direction_output(EXYNOS5420_GPIO_X35, 1); /* EDP_SLP# */
mdelay(10);
+ gpio_request(EXYNOS5420_GPIO_Y77, "edp_rst#");
gpio_direction_output(EXYNOS5420_GPIO_Y77, 1); /* EDP_RST# */
+ gpio_request(EXYNOS5420_GPIO_X26, "edp_hpd");
gpio_direction_input(EXYNOS5420_GPIO_X26); /* EDP_HPD */
gpio_set_pull(EXYNOS5420_GPIO_X26, S5P_GPIO_PULL_NONE);
@@ -88,6 +91,7 @@
void exynos_backlight_on(unsigned int onoff)
{
/* For PWM */
+ gpio_request(EXYNOS5420_GPIO_B20, "backlight_on");
gpio_cfg_pin(EXYNOS5420_GPIO_B20, S5P_GPIO_FUNC(0x1));
gpio_set_value(EXYNOS5420_GPIO_B20, 1);