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path: root/target/linux/imx23/patches/100-imx23-i2c.patch
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Diffstat (limited to 'target/linux/imx23/patches/100-imx23-i2c.patch')
-rw-r--r--target/linux/imx23/patches/100-imx23-i2c.patch79
1 files changed, 79 insertions, 0 deletions
diff --git a/target/linux/imx23/patches/100-imx23-i2c.patch b/target/linux/imx23/patches/100-imx23-i2c.patch
new file mode 100644
index 0000000000..096d0acfb6
--- /dev/null
+++ b/target/linux/imx23/patches/100-imx23-i2c.patch
@@ -0,0 +1,79 @@
+diff -ruN linux-3.8.11.orig/arch/arm/boot/dts/imx23.dtsi linux-3.8.11/arch/arm/boot/dts/imx23.dtsi
+--- linux-3.8.11.orig/arch/arm/boot/dts/imx23.dtsi 2013-05-01 18:56:10.000000000 +0200
++++ linux-3.8.11/arch/arm/boot/dts/imx23.dtsi 2013-05-07 01:17:33.000000000 +0200
+@@ -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";
+@@ -400,8 +434,14 @@
+ 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";
+ };
+
+diff -ruN linux-3.8.11.orig/arch/arm/boot/dts/imx23-olinuxino.dts linux-3.8.11/arch/arm/boot/dts/imx23-olinuxino.dts
+--- linux-3.8.11.orig/arch/arm/boot/dts/imx23-olinuxino.dts 2013-05-01 18:56:10.000000000 +0200
++++ linux-3.8.11/arch/arm/boot/dts/imx23-olinuxino.dts 2013-05-07 01:16:41.000000000 +0200
+@@ -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>;