Re: [PATCH 1/2] dt-bindings: usb: mediatek,mt6360-tcpc: add ports properties

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On Tue, Oct 15, 2024 at 06:33:36PM +0800, Macpaul Lin wrote:
> Add 'ports' and sub node 'port' properties to specify connectors on the
> High-Speed/Super-Speed data bus, or Sideband Use (SBU) AUX lines
> endpoints of the USB controller.
> 
> Signed-off-by: Macpaul Lin <macpaul.lin@xxxxxxxxxxxx>
> ---
>  .../bindings/usb/mediatek,mt6360-tcpc.yaml    | 21 +++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml b/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml
> index 053264e60583..5b6ea0d734ea 100644
> --- a/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml
> +++ b/Documentation/devicetree/bindings/usb/mediatek,mt6360-tcpc.yaml
> @@ -32,6 +32,27 @@ properties:
>      description:
>        Properties for usb c connector.
>  
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +    description:
> +      Any connector to the data bus of this controller should be specified.
> +    properties:

> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0

No need for these, already defined in the $ref'ed schema.

> +
> +    patternProperties:
> +      "port@[0-2]$":
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description:
> +          It could be one of the following interface types. High-Speed
> +          (HS) data bus endpoint to the Type-C connector, SuperSpeed (SS)
> +          data bus endpoint to the Type-C connector, or Sideband Use (SBU)
> +          AUX lines endpoint to the Type-C connector for the purpose of
> +          handling altmode muxing and orientation switching.

You have to define what each port number is.

However, I'm completely confused as to why you need any of this. The 
description sounds like the usb-c-connector which is already defined as 
a child node.

Rob




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