[U-Boot] [PATCH 3/4] imx: dts: mx6sxsabreauto: enable i2c2/3

Peng Fan peng.fan at nxp.com
Mon Nov 28 10:49:49 CET 2016


Enable i2c2/3, add pinctrl settings.
Add max7310 for i2c3.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
Cc: Stefano Babic <sbabic at denx.de>
---
 arch/arm/dts/imx6sx-sabreauto.dts | 42 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm/dts/imx6sx-sabreauto.dts b/arch/arm/dts/imx6sx-sabreauto.dts
index 240a286..a4c2627 100644
--- a/arch/arm/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/dts/imx6sx-sabreauto.dts
@@ -68,8 +68,50 @@
 	status = "okay";
 };
 
+&i2c2 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2_1>;
+	status = "okay";
+};
+
+&i2c3 {
+        clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3_2>;
+	status = "okay";
+
+	max7310_a: gpio at 30 {
+		compatible = "maxim,max7310";
+		reg = <0x30>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	max7310_b: gpio at 32 {
+		compatible = "maxim,max7310";
+		reg = <0x32>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
 &iomuxc {
 	imx6x-sabreauto {
+		pinctrl_i2c2_1: i2c2grp-1 {
+			fsl,pins = <
+				MX6SX_PAD_GPIO1_IO03__I2C2_SDA          0x4001b8b1
+				MX6SX_PAD_GPIO1_IO02__I2C2_SCL          0x4001b8b1
+			>;
+		};
+
+		pinctrl_i2c3_2: i2c3grp-2 {
+			fsl,pins = <
+				MX6SX_PAD_KEY_ROW4__I2C3_SDA            0x4001b8b1
+				MX6SX_PAD_KEY_COL4__I2C3_SCL            0x4001b8b1
+			>;
+		};
+
 		pinctrl_uart1: uart1grp {
 			fsl,pins = <
 				MX6SX_PAD_GPIO1_IO04__UART1_TX		0x1b0b1
-- 
2.6.2



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