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path: root/target/linux/imx23/patches/100-imx23-i2c.patch
blob: 2a3fa1e3c1f0ab9647390177d05997b4d60d8444 (plain)
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--- a/arch/arm/boot/dts/imx23.dtsi
+++ b/arch/arm/boot/dts/imx23.dtsi
@@ -292,8 +292,42 @@
 					fsl,voltage = <1>;
 					fsl,pull-up = <1>;
 				};
-			};
 
+				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>;
+				};
+
+			};
+			
 			digctl@8001c000 {
 				reg = <0x8001c000 2000>;
 				status = "disabled";
@@ -402,8 +436,14 @@
 				status = "disabled";
 			};
 
-			i2c@80058000 {
+			i2c0: i2c@80058000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx28-i2c";
 				reg = <0x80058000 0x2000>;
+				interrupts = <27 26>;
+				clock-frequency = <100000>;
+				fsl,i2c-dma-channel = <3>;
 				status = "disabled";
 			};
 
--- a/arch/arm/boot/dts/imx23-olinuxino.dts
+++ b/arch/arm/boot/dts/imx23-olinuxino.dts
@@ -68,6 +68,12 @@
 		};
 
 		apbx@80040000 {
+			i2c0: i2c@80058000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&i2c1_pins_a>;
+				status = "okay";
+			};
+			
 			duart: serial@80070000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&duart_pins_a>;