Re: [PATCH v2 1/2] dt-bindings: phy: ti: phy-gmii-sel: Add bindings for J7200

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On Tue, Aug 16, 2022 at 11:28:47AM +0530, Siddharth Vadapalli wrote:
> TI's J7200 SoC supports additional PHY modes like QSGMII and SGMII
> that are not supported on earlier SoCs. Add a compatible for it.
> 
> Signed-off-by: Siddharth Vadapalli <s-vadapalli@xxxxxx>
> ---
>  .../mfd/ti,j721e-system-controller.yaml       |  5 ++++
>  .../bindings/phy/ti,phy-gmii-sel.yaml         | 27 ++++++++++++++++++-
>  2 files changed, 31 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
> index 73cffc45e056..527fd47b648b 100644
> --- a/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
> +++ b/Documentation/devicetree/bindings/mfd/ti,j721e-system-controller.yaml
> @@ -54,6 +54,11 @@ patternProperties:
>      description:
>        Clock provider for TI EHRPWM nodes.
>  
> +  "phy@[0-9a-f]+$":
> +    type: object
> +    description:
> +      This is the register to set phy mode through phy-gmii-sel driver.

No properties for this node? A whole node for 1 register?

Or this node is ti,phy-gmii-sel.yaml? If so, add a $ref to it.

> +
>  required:
>    - compatible
>    - reg
> diff --git a/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml b/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
> index ff8a6d9eb153..54da408d0360 100644
> --- a/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
> +++ b/Documentation/devicetree/bindings/phy/ti,phy-gmii-sel.yaml
> @@ -53,12 +53,21 @@ properties:
>        - ti,am43xx-phy-gmii-sel
>        - ti,dm814-phy-gmii-sel
>        - ti,am654-phy-gmii-sel
> +      - ti,j7200-cpsw5g-phy-gmii-sel
>  
>    reg:
>      maxItems: 1
>  
>    '#phy-cells': true
>  
> +  ti,qsgmii-main-ports:
> +    $ref: /schemas/types.yaml#/definitions/uint32-array
> +    description: |
> +      Required only for QSGMII mode. Array to select the port for
> +      QSGMII main mode. Rest of the ports are selected as QSGMII_SUB
> +      ports automatically. Any one of the 4 CPSW5G ports can act as the
> +      main port with the rest of them being the QSGMII_SUB ports.

Constraints? 

> +
>  allOf:
>    - if:
>        properties:
> @@ -73,6 +82,22 @@ allOf:
>          '#phy-cells':
>            const: 1
>            description: CPSW port number (starting from 1)
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - ti,j7200-cpsw5g-phy-gmii-sel
> +    then:
> +      properties:
> +        '#phy-cells':
> +          const: 1
> +          description: CPSW port number (starting from 1)
> +        ti,qsgmii-main-ports:
> +          maxItems: 1

An array, but only 1 entry allowed?

> +          items:
> +            minimum: 1
> +            maximum: 4

Can't this be up above?

>    - if:
>        properties:
>          compatible:
> @@ -97,7 +122,7 @@ additionalProperties: false
>  
>  examples:
>    - |
> -    phy_gmii_sel: phy-gmii-sel@650 {
> +    phy_gmii_sel: phy@650 {
>          compatible = "ti,am3352-phy-gmii-sel";
>          reg = <0x650 0x4>;
>          #phy-cells = <2>;
> -- 
> 2.25.1
> 



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