[PATCH 1/1] ARM: dts: omap3-igep: add mux pins for MMC device node

Javier Martinez Canillas javier.martinez at collabora.co.uk
Sat Dec 15 06:19:01 EST 2012


The omap_hsmmc driver now expects that Device Trees will
set up the SD/MMC pin mux and not doing that leads to the
mmc not been mounted:

[    1.870300] omap_hsmmc mmc.20: pins are not configured from the driver
[    2.025634] Waiting for root device /dev/mmcblk0p2...

Signed-off-by: Javier Martinez Canillas <javier.martinez at collabora.co.uk>
---
 arch/arm/boot/dts/omap3-igep.dtsi |   23 ++++++++++++++++++++---
 1 files changed, 20 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi
index fdd9154..dd01c46 100644
--- a/arch/arm/boot/dts/omap3-igep.dtsi
+++ b/arch/arm/boot/dts/omap3-igep.dtsi
@@ -47,6 +47,21 @@
 			0x170 0		/* uart3_tx.uart3_tx OUTPUT | MODE0 */
 		>;
 	};
+
+	mmc1_pins: pinmux_mmc1_pins {
+		pinctrl-single,pins = <
+			0x114 0x0118    /* sdmmc1_clk.sdmmc1_clk INPUT PULLUP | MODE 0 */
+			0x116 0x0118    /* sdmmc1_cmd.sdmmc1_cmd INPUT PULLUP | MODE 0 */
+			0x118 0x0118 	/* sdmmc1_dat0.sdmmc1_dat0 INPUT PULLUP | MODE 0 */
+			0x11a 0x0118	/* sdmmc1_dat1.sdmmc1_dat1 INPUT PULLUP | MODE 0 */
+			0x11c 0x0118	/* sdmmc1_dat2.sdmmc1_dat2 INPUT PULLUP | MODE 0 */
+			0x11e 0x0118	/* sdmmc1_dat3.sdmmc1_dat3 INPUT PULLUP | MODE 0 */
+			0x120 0x0100	/* sdmmc1_dat4.sdmmc1_dat4 INPUT | MODE 0 */
+			0x122 0x0100	/* sdmmc1_dat5.sdmmc1_dat5 INPUT | MODE 0 */
+			0x124 0x0100	/* sdmmc1_dat6.sdmmc1_dat6 INPUT | MODE 0 */
+			0x126 0x0100	/* sdmmc1_dat7.sdmmc1_dat7 INPUT | MODE 0 */
+		>;
+	};
 };
 
 &i2c1 {
@@ -72,9 +87,11 @@
 };
 
 &mmc1 {
-	vmmc-supply = <&vmmc1>;
-	vmmc_aux-supply = <&vsim>;
-	bus-width = <8>;
+      pinctrl-names = "default";
+      pinctrl-0 = <&mmc1_pins>;
+      vmmc-supply = <&vmmc1>;
+      vmmc_aux-supply = <&vsim>;
+      bus-width = <8>;
 };
 
 &mmc2 {
-- 
1.7.7.6




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