ARM: dts: imx23-evk: updates for mmc device

The 8-bit mode mmc has pin conflicts with display.  Let's use 4-bit
mode by default, so that display can be enabled together later.

Also add vmmc-supply for mmc device.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 15 insertions, 2 deletions

diff --git a/arch/arm/boot/dts/imx23-evk.dts b/arch/arm/boot/dts/imx23-evk.dts
index 6a0912b286a0..8321fa3f0cf2 100644
--- a/arch/arm/boot/dts/imx23-evk.dts
+++ b/arch/arm/boot/dts/imx23-evk.dts
@@ -25,9 +25,10 @@
                         ssp0: ssp@80010000 {
                                 compatible = "fsl,imx23-mmc";
                                 pinctrl-names = "default";
-                                pinctrl-0 = <&mmc0_8bit_pins_a &mmc0_pins_fixup>;
-                                bus-width = <8>;
+                                pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_pins_fixup>;
+                                bus-width = <4>;
                                 wp-gpios = <&gpio1 30 0>;
+                                vmmc-supply = <&reg_vddio_sd0>;
                                 status = "okay";
                         };
 
@@ -57,4 +58,16 @@
                         };
                 };
         };
+
+        regulators {
+                compatible = "simple-bus";
+
+                reg_vddio_sd0: vddio-sd0 {
+                        compatible = "regulator-fixed";
+                        regulator-name = "vddio-sd0";
+                        regulator-min-microvolt = <3300000>;
+                        regulator-max-microvolt = <3300000>;
+                        gpio = <&gpio1 29 0>;
+                };
+        };
 };