Re: [PATCH 2/8] dt-bindings: phy: qcom,msm8998-qmp-usb3-phy: Add DP support for QCS615

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On 29/11/2024 08:57, Xiangxu Yin wrote:
> Declare the DP QMP PHY present on the Qualcomm QCS615 platforms.
> 
> Signed-off-by: Xiangxu Yin <quic_xiangxuy@xxxxxxxxxxx>
> ---
>  .../bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml     | 21 +++++++++++++++++++--
>  1 file changed, 19 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml
> index 1636285fbe535c430fdf792b33a5e9c523de323b..eb21cfe734526fce670c540212a607a016cedf2c 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,msm8998-qmp-usb3-phy.yaml
> @@ -18,6 +18,7 @@ properties:
>      enum:
>        - qcom,msm8998-qmp-usb3-phy
>        - qcom,qcm2290-qmp-usb3-phy
> +      - qcom,qcs615-qmp-dp-phy
>        - qcom,qcs615-qmp-usb3-phy
>        - qcom,sdm660-qmp-usb3-phy
>        - qcom,sm6115-qmp-usb3-phy
> @@ -47,7 +48,7 @@ properties:
>      const: 0
>  
>    clock-output-names:
> -    maxItems: 1
> +    maxItems: 2


Why all devices now have two clocks? No, this needs lower constraints
and further customization per each variant.

>  
>    "#phy-cells":
>      const: 0
> @@ -62,7 +63,8 @@ properties:
>      items:
>        - items:
>            - description: phandle to TCSR hardware block
> -          - description: offset of the VLS CLAMP register
> +          - description: offset of the VLS CLAMP register in USB mode
> +                         and offset of the DP Phy mode register in DP mode

You change all existing devices, no.

>      description: Clamp register present in the TCSR
>  
>    ports:
> @@ -128,6 +130,21 @@ allOf:
>              - const: com_aux
>              - const: pipe
>  
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,qcs615-qmp-dp-phy
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 2
> +        clock-names:
> +          items:
> +            - const: cfg_ahb
> +            - const: ref

Top level says you have minimum 4 clocks, not 2. You need to fix that,
if this devices stays in this schema. Anyway your changes suggest device
is quite different, so probably should not be here in the first place
but in different schema, maybe new one.



Best regards,
Krzysztof




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