2 files changed, 31 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>;
+                };
+        };
 };
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
index 7274273998f2..daade4fa1500 100644
--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -123,6 +123,22 @@
                                         fsl,pull-up = <0>;
                                 };
 
+                                mmc0_4bit_pins_a: mmc0-4bit@0 {
+                                        reg = <0>;
+                                        fsl,pinmux-ids = <
+                                                0x2020 /* MX23_PAD_SSP1_DATA0__SSP1_DATA0 */
+                                                0x2030 /* MX23_PAD_SSP1_DATA1__SSP1_DATA1 */
+                                                0x2040 /* MX23_PAD_SSP1_DATA2__SSP1_DATA2 */
+                                                0x2050 /* MX23_PAD_SSP1_DATA3__SSP1_DATA3 */
+                                                0x2000 /* MX23_PAD_SSP1_CMD__SSP1_CMD */
+                                                0x2010 /* MX23_PAD_SSP1_DETECT__SSP1_DETECT */
+                                                0x2060 /* MX23_PAD_SSP1_SCK__SSP1_SCK */
+                                        >;
+                                        fsl,drive-strength = <1>;
+                                        fsl,voltage = <1>;
+                                        fsl,pull-up = <1>;
+                                };
+
                                 mmc0_8bit_pins_a: mmc0-8bit@0 {
                                         reg = <0>;
                                         fsl,pinmux-ids = <