max7310 is an i2c interface gpio expander

Signed-off-by: Peter Chen <[email protected]>
---
 arch/arm/boot/dts/imx6qdl-sabreauto.dtsi | 43 ++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi 
b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
index 009abd6..51acfec 100644
--- a/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-sabreauto.dtsi
@@ -28,6 +28,13 @@
                };
        };
 
+       max7310_reset: max7310-reset {
+               compatible = "gpio-reset";
+               reset-gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
+               reset-delay-us = <1>;
+               #reset-cells = <0>;
+       };
+
        sound-spdif {
                compatible = "fsl,imx-audio-spdif",
                           "fsl,imx-sabreauto-spdif";
@@ -182,6 +189,35 @@
        };
 };
 
+&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>;
+               resets = <&max7310_reset>;
+       };
+
+       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 +301,13 @@
                        >;
                };
 
+               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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