[PATCH v2] dt-bindings: mmc: fsl-imx-esdhc: Add some compatible fallbacks

[Rob Herring]

On Wed, Jan 11, 2023 at 09:46:33PM +0100, Andreas Kemnade wrote:
> Currently make dtbs_check shows lots of errors because imx*.dtsi does
> not use single compatibles but combinations of them.
> 
> Add fallbacks for imx6sll/ull which are useful for U-Boot.
> 
> This will significantly reduce noise on make dtbs_check.
> 
> Signed-off-by: Andreas Kemnade <andreas at kemnade.info>
> ---
> Changes in v2:
> - allow only combinations with fallback compatible
> - reduce them to the cases where they are actually useful
> 
>  Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> index dc6256f04b42..be6caa25c57d 100644
> --- a/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> +++ b/Documentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml
> @@ -29,14 +29,18 @@ properties:
>            - fsl,imx53-esdhc
>            - fsl,imx6q-usdhc
>            - fsl,imx6sl-usdhc
> -          - fsl,imx6sll-usdhc
>            - fsl,imx6sx-usdhc
> -          - fsl,imx6ull-usdhc
>            - fsl,imx7d-usdhc
>            - fsl,imx7ulp-usdhc
>            - fsl,imx8mm-usdhc
>            - fsl,imxrt1050-usdhc
>            - nxp,s32g2-usdhc
> +      - items:
> +          - const: fsl,imx6sll-usdhc
> +          - const: fsl,imx6sx-usdhc
> +      - items:
> +          - const: fsl,imx6ull-usdhc
> +          - const: fsl,imx6sx-usdhc

Can be simplified to:

- items:
    - enum:
        - fsl,imx6sll-usdhc
        - fsl,imx6ull-usdhc
    - const: fsl,imx6sx-usdhc