openwrt/target/linux/mxs/patches-4.1/120-dt-add-i2c.patch

--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -147,6 +147,39 @@
 					fsl,pull-up = <MXS_PULL_DISABLE>;
 				};
 
+				i2c0_pins_a: i2c0@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x01e0 /* MX23_PAD_I2C_SCL__I2C_SCL */
+						0x01f0 /* MX23_PAD_I2C_SDA__I2C_SDA */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+				i2c1_pins_a: i2c1@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x1171 /* MX23_PAD_LCD_ENABLE__I2C_SCL */
+						0x1181 /* MX23_PAD_LCD_HSYNC__I2C_SDA  */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+				i2c2_pins_a: i2c2@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2031 /* MX23_PAD_SSP1_DATA1__I2C_SCL  */
+						0x2041 /* MX23_PAD_SSP1_DATA2__I2C_SDA  */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
 				auart0_pins_a: auart0@0 {
 					reg = <0>;
 					fsl,pinmux-ids = <
@@ -484,7 +517,12 @@
 			};
 
 			i2c@80058000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx23-i2c";
 				reg = <0x80058000 0x2000>;
+				interrupts = <27>;
+				clock-frequency = <100000>;
 				dmas = <&dma_apbx 3>;
 				dma-names = "rx-tx";
 				status = "disabled";