Re: [PATCH] arm64: dts: imx8mm-beacon: Fix WiFi Pinmuxing

Shawn Guo
2021-01-05T03:03:56Z

On Wed, Dec 02, 2020 at 07:59:50AM -0600, Adam Ford wrote:
> The WiFi chip is capable of communication at SDR104 speeds, and
> the pinmux was configured to support this, but the sdhc1 controller
> didn't properly reference the pinmux. Enable 100Mhz and 200MHz pinmux
> as was originally intended.
>
> Fixes: 593816fa2f35 ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit")

This looks more like an improvement than bug fix.

Shawn

> Signed-off-by: Adam Ford <aford173@gmail.com>
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
> index 6de86a4f0ec4..90fd15e95798 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
> @@ -217,8 +217,10 @@
> &usdhc1 {
> #address-cells = <1>;
> #size-cells = <0>;
> - pinctrl-names = "default";
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> pinctrl-0 = <&pinctrl_usdhc1>;
> + pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
> bus-width = <4>;
> non-removable;
> cap-power-off-card;
> --
> 2.17.1
>