[PATCH v4 06/10] dt-bindings: phy: renesas,usb2-phy: Document RZ/G2L phy bindings

[Rob Herring]

On Mon, Jul 19, 2021 at 01:19:34PM +0100, Biju Das wrote:
> Document USB phy bindings for RZ/G2L SoC.
> 
> RZ/G2L USB2.0 phy uses line ctrl register for OTG_ID pin changes. It uses
> a different OTG-BC interrupt bit for device recognition. Apart from this,
> the PHY reset is controlled by USBPHY control IP and Document reset is a
> required property.
> 
> Signed-off-by: Biju Das <biju.das.jz at bp.renesas.com>
> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
> ---
> v3->v4:
>  * Removed second reset
>  * Added family specific compatible string.
> v2->v3
>  * Created a new compatible for RZ/G2L as per Geert's suggestion.
>  * Added resets required properties for RZ/G2L SoC.
> ---
>  .../bindings/phy/renesas,usb2-phy.yaml        | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml
> index d5dc5a3cdceb..151158d7a224 100644
> --- a/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/renesas,usb2-phy.yaml
> @@ -30,6 +30,11 @@ properties:
>                - renesas,usb2-phy-r8a77995 # R-Car D3
>            - const: renesas,rcar-gen3-usb2-phy
>  
> +      - items:
> +          - enum:
> +              - renesas,usb2-phy-r9a07g044 # RZ/G2{L,LC}
> +          - const: renesas,rzg2l-usb2-phy  # RZ/G2L family
> +
>    reg:
>      maxItems: 1
>  
> @@ -91,6 +96,20 @@ required:
>    - clocks
>    - '#phy-cells'
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: renesas,rzg2l-usb2-phy
> +    then:
> +      properties:
> +        resets:
> +          description: |
> +            USB/PHY reset associated with the port.

You don't need 'properties' part here. Just 'required'.

> +      required:
> +        - resets
> +
>  additionalProperties: false
>  
>  examples:
> -- 
> 2.17.1
> 
>