[PATCH 16/18] dt-bindings: usb: meson-g12a-usb: Validate DWC2/DWC3 sub-nodes

[Rob Herring]

On Sun, Oct 11, 2020 at 01:41:19AM +0300, Serge Semin wrote:
> Amlogic G12A USB DT sub-nodes are supposed to be compatible with the
> generic DWC USB2 and USB3 devices. Since now we've got DT schemas for
> both of the later IP cores let's make sure that the Amlogic G12A USB
> DT nodes are fully evaluated including the DWC sub-nodes.
> 
> Signed-off-by: Serge Semin <Sergey.Semin at baikalelectronics.ru>
> ---
>  .../bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml | 15 ++++++++++++++-
>  1 file changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> index 88184d7e26cc..3e8ac0ff90de 100644
> --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> @@ -78,7 +78,20 @@ properties:
>  
>  patternProperties:
>    "^usb@[0-9a-f]+$":
> -    type: object
> +    allOf:
> +      - if:
> +          properties:
> +            compatible:
> +              contains:
> +                const: snps,dwc2
> +        then:
> +          $ref: dwc2.yaml#
> +      - if:
> +          properties:
> +            compatible:
> +              const: snps,dwc3
> +        then:
> +          $ref: snps,dwc3.yaml#

It should be enough to do just:

oneOf:
  - $ref: dwc2.yaml#
  - $ref: snps,dwc3.yaml#