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    Subject[PATCH V5 3/6] ARM: dts: imx6sx-sabreauto: add IO expander max7310 support
    Date
    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>
    ---
    no changes since V4.
    arch/arm/boot/dts/imx6sx-sabreauto.dts | 28 ++++++++++++++++++++++++++++
    1 file changed, 28 insertions(+)

    diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
    index d59084f..812f40b 100644
    --- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
    +++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
    @@ -82,6 +82,13 @@
    >;
    };

    + 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
    @@ -272,3 +279,24 @@
    };
    };
    };
    +
    +&i2c3 {
    + clock-frequency = <100000>;
    + pinctrl-names = "default";
    + pinctrl-0 = <&pinctrl_i2c3_2>;
    + 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>;
    + };
    +};
    --
    2.7.4
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