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-rw-r--r--target/linux/mxs/patches-4.1/120-dt-add-i2c.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/mxs/patches-4.1/120-dt-add-i2c.patch b/target/linux/mxs/patches-4.1/120-dt-add-i2c.patch
new file mode 100644
index 0000000000..2aa7250584
--- /dev/null
+++ b/target/linux/mxs/patches-4.1/120-dt-add-i2c.patch
@@ -0,0 +1,55 @@
+--- a/arch/arm/boot/dts/imx23.dtsi
++++ b/arch/arm/boot/dts/imx23.dtsi
+@@ -146,6 +146,39 @@
+ 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 = <
+@@ -444,7 +477,12 @@
+ };
+
+ 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";