[PATCH v2 1/3] ARM: imx6qdl-sabreauto.dtsi: add max7310 support
Peter Chen
peter.chen at freescale.com
Thu Mar 12 23:21:42 PDT 2015
max7310 is an i2c interface gpio expander
Signed-off-by: Peter Chen <peter.chen at freescale.com>
---
arch/arm/boot/dts/imx6qdl-sabreauto.dtsi | 35 ++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
index 009abd6..46b2fed 100644
--- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
@@ -182,6 +182,34 @@
};
};
+&i2c3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c3>;
+ pinctrl-assert-gpios = <&gpio5 4 GPIO_ACTIVE_HIGH>;
+ 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>;
+ };
+
+ max7310_c: gpio at 34 {
+ compatible = "maxim,max7310";
+ reg = <0x34>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
@@ -265,6 +293,13 @@
>;
};
+ pinctrl_i2c3: i2c3grp {
+ fsl,pins = <
+ MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1
+ MX6QDL_PAD_EIM_D18__I2C3_SDA 0x4001b8b1
+ >;
+ };
+
pinctrl_pwm3: pwm1grp {
fsl,pins = <
MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1
--
1.9.1
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