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ARM: dts: imx6sx-sabreauto: add IO expander max7310 support

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i.MX6SX Sabre Auto board has two max7310 IO expander on I2C3 bus, add
support for them.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Anson Huang 2018-05-06 14:28:09 +08:00 committed by Shawn Guo
parent 883474ed8e
commit f3710d4eea
1 changed files with 28 additions and 0 deletions
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28
arch/arm/boot/dts/imx6sx-sabreauto.dts
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@ -73,6 +73,13 @@ MX6SX_PAD_GPIO1_IO02__I2C2_SCL 0x4001b8b1
>;
};
pinctrl_i2c3: i2c3grp {
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
@ -262,3 +269,24 @@ max7322: gpio@68 {
#gpio-cells = <2>;
};
};
&i2c3 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
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>;
};
};