Re: [PATCH 1/3] dt-bindings: usb: renesas,usbhs: Support external ref clock

[Rob Herring]

On Wed, Jun 30, 2021 at 12:30:40PM -0500, Adam Ford wrote:
> The usbhs driver expects a fixed external reference clock, but it
> could be sourced from a programmable clock instead of a fixed clock.
> Add support for an optional 4th reference clock.
> 
> Signed-off-by: Adam Ford <aford173@xxxxxxxxx>
> 
> diff --git a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
> index e67223d90bb7..2372d8c42979 100644
> --- a/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
> +++ b/Documentation/devicetree/bindings/usb/renesas,usbhs.yaml
> @@ -53,11 +53,12 @@ properties:
>  
>    clocks:
>      minItems: 1
> -    maxItems: 3
> +    maxItems: 4

You won't need this in v5.14-rc1. These are implied by 'items' length if 
not specified.

>      items:
>        - description: USB 2.0 host
>        - description: USB 2.0 peripheral
>        - description: USB 2.0 clock selector
> +      - description: Optional external reference clock
>  
>    interrupts:
>      maxItems: 1
> -- 
> 2.25.1
> 
>