On Fri, Oct 04, 2024 at 11:12:45AM +0800, Moudy Ho wrote:
> The display node in mt8195.dtsi was triggering a CHECK_DTBS error due
> to an excessively long 'clocks' property:
> display@14f06000: clocks: [[31, 14], [31, 43], [31, 44]] is too long
>
> To resolve this issue, the constraints for 'clocks' and
> other properties within the subschema will be reinforced.
>
> Fixes: 739058a9c5c3 ("dt-bindings: display: mediatek: split: add compatible for MT8195")
> Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>
> Signed-off-by: Moudy Ho <moudy.ho@xxxxxxxxxxxx>
>
> --
> This is based on [v2] dt-bindings: display: mediatek: split: add clocks count constraint for MT8195
>
> Changes since v3:
> - Correct the compatible name for the mt8173 split in the subschema.
>
> Changes since v2:
> - Revise the commit message.
> - Enhance the descriptions of 'clocks'.
> - Strengthen the conditions within the subschema.
>
> Changes since v1:
> - Adding functional descriptions and quantity restrictions.
> ---
> .../display/mediatek/mediatek,split.yaml | 24 +++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,split.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,split.yaml
> index e4affc854f3d..87f8477a7be8 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,split.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,split.yaml
> @@ -57,6 +57,9 @@ properties:
> clocks:
> items:
> - description: SPLIT Clock
> + - description: Used for interfacing with the HDMI RX signal source.
> + - description: Paired with receiving HDMI RX metadata.
> + minItems: 1
>
> required:
> - compatible
> @@ -72,9 +75,30 @@ allOf:
> const: mediatek,mt8195-mdp3-split
>
> then:
> + properties:
> + clocks:
minItems, nothing in your commit msg says that clocks are optional
> + maxItems: 3
> +
> + power-domains:
> + maxItems: 1
This should be in top-level, not here.
Best regards,
Krzysztof
