On Thu, Apr 26, 2018 at 02:58:15PM +0800, Anson Huang wrote:
> i.MX6SX Sabre Auto board has two max7310 IO expander
> on I2C3 bus, add support for them.
>
> Signed-off-by: Anson Huang <[email protected]>
> ---
> 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 {
Drop suffix number '2'.
Shawn
> + 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
>
