[U-Boot] [PATCH v2 2/4] tegra2: Call gpio_request for SDMMC GPIOs
Stephen Warren
swarren at nvidia.com
Tue Oct 4 19:32:46 CEST 2011
Without this, the GPIO_CNF register will not be programmed, and hence the
GPIO signals will not reach the pins; the pinmux's configured function
will be routed to the pins instead.
v2: s/SDMMC4/SDMMC3/ in strings passed to gpio_request().
Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
board/nvidia/seaboard/seaboard.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/board/nvidia/seaboard/seaboard.c b/board/nvidia/seaboard/seaboard.c
index bc67d0f..1310e3d 100644
--- a/board/nvidia/seaboard/seaboard.c
+++ b/board/nvidia/seaboard/seaboard.c
@@ -62,9 +62,11 @@ void gpio_config_uart(void)
void gpio_config_mmc(void)
{
/* Set EN_VDDIO_SD (GPIO I6) */
+ gpio_request(GPIO_PI6, "SDMMC3 power");
gpio_direction_output(GPIO_PI6, 1);
/* Config pin as GPI for Card Detect (GPIO I5) */
+ gpio_request(GPIO_PI5, "SDMMC3 card detect");
gpio_direction_input(GPIO_PI5);
}
--
1.7.0.4
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