ARM: dts: enable i2c device for imx28-evk

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

arch/arm/boot/dts/imx28-evk.dts

@@ -41,6 +41,12 @@ ssp1: ssp@80012000 {
 		};
 
 		apbx@80040000 {
+			i2c0: i2c@80058000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&i2c0_pins_a>;
+				status = "okay";
+			};
+
 			duart: serial@80074000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&duart_pins_a>;

arch/arm/boot/dts/imx28.dtsi

@@ -204,6 +204,14 @@ mmc0_sck_cfg: mmc0-sck-cfg {
 					fsl,drive-strength = <2>;
 					fsl,pull-up = <0>;
 				};
+
+				i2c0_pins_a: i2c0@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <0x3180 0x3190>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
 			};
 
 			digctl@8001c000 {
@@ -345,12 +353,18 @@ rtc@80056000 {
 			};
 
 			i2c0: i2c@80058000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx28-i2c";
 				reg = <0x80058000 2000>;
 				interrupts = <111 68>;
 				status = "disabled";
 			};
 
 			i2c1: i2c@8005a000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx28-i2c";
 				reg = <0x8005a000 2000>;
 				interrupts = <110 69>;
 				status = "disabled";