Re: [PATCH] dt-bindings: usb: dwc2: document the port when usb-role-switch is used

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On Wed, Oct 13, 2021 at 06:53:46PM +0200, Fabrice Gasnier wrote:
> Document the "port" property, which is used with "usb-role-switch"
> to describe the bus connector.
> Definition is inspired from mediatek,mtu3.yaml.
> 
> This fixes some errors seen when running "make dtbs_check":
> ... 'port' does not match any of the regexes: 'pinctrl-[0-9]+'
>         From schema: ... Documentation/devicetree/bindings/usb/dwc2.yaml
> 
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/usb/dwc2.yaml | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml
> index 10c7d9b..7d1aa53 100644
> --- a/Documentation/devicetree/bindings/usb/dwc2.yaml
> +++ b/Documentation/devicetree/bindings/usb/dwc2.yaml
> @@ -130,6 +130,16 @@ properties:
>      description: If present indicates that we need to reset the PHY when we 
>        detect a wakeup. This is due to a hardware errata.
>  
> +  port:
> +    description:
> +      Any connector to the data bus of this controller should be modelled
> +      using the OF graph bindings specified, if the "usb-role-switch"
> +      property is used. See graph.txt

Drop 'See graph.txt'

> +    $ref: /schemas/graph.yaml#/properties/port
> +
> +dependencies:
> +  port: [ 'usb-role-switch' ]

usb-role-switch without port is valid or both must be present. In case 
of the latter, you need to add:

usb-role-switch: [ port ]

Also, you don't need quotes.

> +
>  required:
>    - compatible
>    - reg
> -- 
> 2.7.4
> 
> 



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