tegra: Use SD write-protect GPIO on Tamonten
GPIO PI6 can be used to obtain the write-protect status of an SD card
inserted into the SD slot.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/board/avionic-design/common/tamonten.c b/board/avionic-design/common/tamonten.c
index 915247c..610f188 100644
--- a/board/avionic-design/common/tamonten.c
+++ b/board/avionic-design/common/tamonten.c
@@ -65,6 +65,8 @@
static void pin_mux_mmc(void)
{
funcmux_select(PERIPH_ID_SDMMC4, FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT);
+ /* for write-protect GPIO PI6 */
+ pinmux_tristate_disable(PINGRP_ATA);
/* for CD GPIO PH2 */
pinmux_tristate_disable(PINGRP_ATD);
}
@@ -76,7 +78,7 @@
pin_mux_mmc();
/* init dev 0, SD slot, with 4-bit bus */
- tegra2_mmc_init(0, 4, -1, GPIO_PH2);
+ tegra2_mmc_init(0, 4, GPIO_PI6, GPIO_PH2);
return 0;
}