Re: [PATCH v3] dt-bindings: display: mediatek: split: add subschema property constraints

From: Moudy Ho (何宗原)
Date: Thu Oct 03 2024 - 23:00:18 EST


Hi,

This patch contains an incorrect compatible name; please excuse the
oversight and discard this patch.

Sincerely,
Moudy Ho

On Fri, 2024-10-04 at 10:24 +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 subschemas 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 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.y
> aml
> b/Documentation/devicetree/bindings/display/mediatek/mediatek,split.y
> aml
> index e4affc854f3d..0ffcd9d2b718 100644
> ---
> a/Documentation/devicetree/bindings/display/mediatek/mediatek,split.y
> aml
> +++
> b/Documentation/devicetree/bindings/display/mediatek/mediatek,split.y
> aml
> @@ -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:
> + maxItems: 3
> +
> + power-domains:
> + maxItems: 1
> +
> required:
> - mediatek,gce-client-reg
>
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: mediatek,mt8173-mdp3-split
> +
> + then:
> + properties:
> + clocks:
> + maxItems: 1
> +
> + power-domains:
> + maxItems: 1
> +
> additionalProperties: false
>
> examples: