Re: [PATCH 2/5] dt-bindings: phy: qmp-ufs: describe the UFS PHY for sa8775p

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On 31/03/2023 21:59, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> 
> Add a new compatible for the QMP UFS PHY found on sa8775p platforms and
> update the clocks property to accommodate three clocks.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
> ---
>  .../phy/qcom,sc8280xp-qmp-ufs-phy.yaml        | 34 ++++++++++++++++---
>  1 file changed, 30 insertions(+), 4 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml
> index 64ed331880f6..a414b2c2d9cc 100644
> --- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-ufs-phy.yaml
> @@ -16,6 +16,7 @@ description:
>  properties:
>    compatible:
>      enum:
> +      - qcom,sa8775p-qmp-ufs-phy
>        - qcom,sc8280xp-qmp-ufs-phy
>        - qcom,sm6125-qmp-ufs-phy
>        - qcom,sm8550-qmp-ufs-phy
> @@ -24,12 +25,12 @@ properties:
>      maxItems: 1
>  
>    clocks:
> -    maxItems: 2
> +    minItems: 2
> +    maxItems: 3
>  
>    clock-names:
> -    items:
> -      - const: ref
> -      - const: ref_aux

Keep it here and add qref. We want to encourage the same clocks
everywhere it is possible. Otherwise people will add soon 'q_ref' or
'ref_q' for their variants as third clock.

> +    minItems: 2

With this.

> +    maxItems: 3

But without this.

>  
>    power-domains:
>      maxItems: 1
> @@ -51,6 +52,31 @@ properties:
>    "#phy-cells":
>      const: 0
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sa8775p-qmp-ufs-phy
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 3
> +        clock-names:
> +          items:

Instead maxItems: 3


> +            - const: ref
> +            - const: ref_aux
> +            - const: qref
> +    else:
> +      properties:
> +        clocks:
> +          maxItems: 2
> +        clock-names:
> +          items:

Instead maxItems: 2

> +            - const: ref
> +            - const: ref_aux
> +
>  required:
>    - compatible
>    - reg

Best regards,
Krzysztof




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