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authorSimon Glass <sjg@chromium.org>2014-10-20 19:48:39 -0600
committerSimon Glass <sjg@chromium.org>2014-10-22 10:36:33 -0600
commit7f1961018cb494c029fcbb446e6562064735ec5e (patch)
tree10089a45751339df4ed17fd12ed1838ed60c0ca5 /board/samsung/smdk5250
parent3a233dbfe9308943122cc2473064bb7e876577f0 (diff)
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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>
Diffstat (limited to 'board/samsung/smdk5250')
-rw-r--r--board/samsung/smdk5250/exynos5-dt.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c
index d6ce133..53ff706 100644
--- a/board/samsung/smdk5250/exynos5-dt.c
+++ b/board/samsung/smdk5250/exynos5-dt.c
@@ -29,6 +29,7 @@ DECLARE_GLOBAL_DATA_PTR;
static void board_enable_audio_codec(void)
{
/* Enable MAX98095 Codec */
+ gpio_request(EXYNOS5_GPIO_X17, "max98095_enable");
gpio_direction_output(EXYNOS5_GPIO_X17, 1);
gpio_set_pull(EXYNOS5_GPIO_X17, S5P_GPIO_PULL_NONE);
}
@@ -199,16 +200,19 @@ static int board_dp_bridge_setup(void)
/* Setup the GPIOs */
/* PD is ACTIVE_LOW, and initially de-asserted */
+ gpio_request(EXYNOS5_GPIO_Y25, "dp_bridge_pd");
gpio_set_pull(EXYNOS5_GPIO_Y25, S5P_GPIO_PULL_NONE);
gpio_direction_output(EXYNOS5_GPIO_Y25, 1);
/* Reset is ACTIVE_LOW */
+ gpio_request(EXYNOS5_GPIO_X15, "dp_bridge_reset");
gpio_set_pull(EXYNOS5_GPIO_X15, S5P_GPIO_PULL_NONE);
gpio_direction_output(EXYNOS5_GPIO_X15, 0);
udelay(10);
gpio_set_value(EXYNOS5_GPIO_X15, 1);
+ gpio_request(EXYNOS5_GPIO_X07, "dp_bridge_hpd");
gpio_direction_input(EXYNOS5_GPIO_X07);
/*
@@ -236,10 +240,12 @@ static int board_dp_bridge_setup(void)
void exynos_cfg_lcd_gpio(void)
{
/* For Backlight */
+ gpio_request(EXYNOS5_GPIO_B20, "lcd_backlight");
gpio_cfg_pin(EXYNOS5_GPIO_B20, S5P_GPIO_OUTPUT);
gpio_set_value(EXYNOS5_GPIO_B20, 1);
/* LCD power on */
+ gpio_request(EXYNOS5_GPIO_X15, "lcd_power");
gpio_cfg_pin(EXYNOS5_GPIO_X15, S5P_GPIO_OUTPUT);
gpio_set_value(EXYNOS5_GPIO_X15, 1);
@@ -276,6 +282,7 @@ void exynos_backlight_on(unsigned int on)
mdelay(10);
/* board_dp_backlight_en */
+ gpio_request(EXYNOS5_GPIO_X30, "board_dp_backlight_en");
gpio_direction_output(EXYNOS5_GPIO_X30, 1);
#endif
}