Re: [PATCH 1/1] arm64: dts: imx8mp-skov: add pinctrl-name 'reset' to fix CHECK_DTB warning

Rob Herring
2026-01-06T21:43:39Z

On Mon, Dec 29, 2025 at 10:51 AM Frank Li <Frank.Li@nxp.com> wrote:
>
> Add pinctrl-name 'reset' to fix below CHECK_DTB warnings:
> arch/arm64/boot/dts/freescale/imx8mp-skov-basic.dtb: switch@5f (microchip,ksz9893): pinctrl-names: ['default'] is too short
> from schema $id: http://devicetree.org/schemas/net/dsa/microchip,ksz.yaml#
>
> The commit (e469b87e0fb0d dt-bindings: net: dsa: microchip: Add strap
> description to set SPI mode" force use two pinctrl-name 'default' and
> 'reset'. switch@5f doesn't use SPI, so it is safe to use the same pinctrl
> setting for both.
>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---
> arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
> index 020f20c8ce667..7d2fc5fdd3bd1 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi
> @@ -373,8 +373,8 @@ &i2c4 {
>
> switch: switch@5f {
> compatible = "microchip,ksz9893";
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_switch>;
> + pinctrl-names = "default", "reset";
> + pinctrl-0 = <&pinctrl_switch>, <&pinctrl_switch>;

I guess this is getting dropped anyways, but this is completely wrong.
"reset" entry here corresponds to pinctrl-1 property. pinctrl-N
properties can have any number of phandles, but those are all one
name.

Rob