On Tue, Nov 03, 2026 at 07:48:30PM -0300, Fabio Estevam wrote:
> Some i.MX25 and i.MX27 devicetree display nodes contain fsl,pcr, but
> this property is not documented. As a result, dt-core.yaml reports
> its raw bytes as an invalid property:
>
> imx27-phytec-phycard-s-rdk.dtb: display: fsl,pcr: b'\xf0\xc8\x80\x80' is
> not of type 'object', 'integer', 'array', 'boolean', 'null'
>
> Document fsl,pcr.
>
> Signed-off-by: Fabio Estevam <[email protected]>
> ---
> With this change applied, imx_v4_v5_defconfig builds with zero dt-schema
> warnings.
>
>  .../devicetree/bindings/display/imx/fsl,imx-lcdc.yaml       | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx-lcdc.yaml 
> b/Documentation/devicetree/bindings/display/imx/fsl,imx-lcdc.yaml
> index 84610b5690c4..f1931436a4d8 100644
> --- a/Documentation/devicetree/bindings/display/imx/fsl,imx-lcdc.yaml
> +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx-lcdc.yaml
> @@ -65,6 +65,12 @@ properties:
>      description:
>        LCDC Sharp Configuration Register value.
>
> +  fsl,pcr:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description:
> +      LCDC Panel Configuration Register value used in the display node
> +      referenced by the display property.
> +

Can you restict only allow for imx25 and imx27?

Frank
>  allOf:
>    - if:
>        properties:
> --
> 2.43.0
>
>

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