From 4e18a2243a8783010cc2c3c1c454e2eb279c0486 Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Fri, 13 Mar 2015 14:21:42 +0800 Subject: [PATCH] ARM: imx6qdl-sabreauto.dtsi: add max7310 support max7310 is an i2c interface gpio expander Signed-off-by: Peter Chen Signed-off-by: Shawn Guo --- 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 009abd69385d..46b2fed7c319 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@30 { + compatible = "maxim,max7310"; + reg = <0x30>; + gpio-controller; + #gpio-cells = <2>; + }; + + max7310_b: gpio@32 { + compatible = "maxim,max7310"; + reg = <0x32>; + gpio-controller; + #gpio-cells = <2>; + }; + + max7310_c: gpio@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 -- 2.20.1