Re: [PATCH v3 4/7] dt-bindings: drm/bridge: anx7625: Add mode-switch support

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On 14/06/2022 12:34, Prashant Malani wrote:
> Analogix 7625 can be used in systems to switch USB Type-C DisplayPort
> alternate mode lane traffic between 2 Type-C ports.
> 
> Update the binding to accommodate this usage by introducing a switch
> property.
> 
> Reviewed-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> Tested-by: Nícolas F. R. A. Prado <nfraprado@xxxxxxxxxxxxx>
> Signed-off-by: Prashant Malani <pmalani@xxxxxxxxxxxx>
> ---
> 
> Changes since v2:
> - Added Reviewed-by and Tested-by tags.
> 
> Changes since v1:
> - Introduced patternProperties for "switch" children (suggested by Krzysztof Kozlowski).
> - Added unevaluatedProperties descriptor (suggested by Krzysztof Kozlowski).
> - Added "address-cells" and "size-cells" properties to "switches".
> 
>  .../display/bridge/analogix,anx7625.yaml      | 63 +++++++++++++++++++
>  1 file changed, 63 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> index 35a48515836e..cb4a23391244 100644
> --- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml
> @@ -105,6 +105,33 @@ properties:
>        - port@0
>        - port@1
>  
> +  switches:
> +    type: object
> +    description: Set of switches controlling DisplayPort traffic on
> +      outgoing RX/TX lanes to Type C ports.
> +    unevaluatedProperties: false

This should be additionalProperties:false.

> +
> +    properties:
> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0
> +
> +    patternProperties:
> +      'switch@[01]':

You also need ^ and $. Please use the same quotes as in other places
(here is ' but few lines above ")

> +        $ref: /schemas/usb/typec-switch.yaml#

You need unevaluatedProperties:false on this level.

> +
> +        properties:
> +          reg:
> +            maxItems: 1
> +
> +        required:
> +          - reg
> +
> +    required:
> +      - switch@0
> +


Best regards,
Krzysztof



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