linux-kernel - Re: [PATCH v2 2/8] dt-bindings: phy: snps-eusb2: add exynos2200 support

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Message-ID: <4tvpl3pujnuw2qjwu7f7ryrr5dndxow7srkkp2223wmexr23bi@7nmgrpq6znpg>
Date: Mon, 24 Feb 2025 01:43:49 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
Cc: Vinod Koul <vkoul@...nel.org>, 
	Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Alim Akhtar <alim.akhtar@...sung.com>, Philipp Zabel <p.zabel@...gutronix.de>, 
	Abel Vesa <abel.vesa@...aro.org>, linux-arm-msm@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, linux-phy@...ts.infradead.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/8] dt-bindings: phy: snps-eusb2: add exynos2200
 support

On Sun, Feb 23, 2025 at 02:22:21PM +0200, Ivaylo Ivanov wrote:
> Exynos 2200 makes use of the Synposys eUSB2 IP, so document it in the
> binding. Unlike the currently documented Qualcomm SoCs, it doesn't provide
> reset lines for reset control and uses more clocks.
> 
> Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov@...il.com>
> ---
>  .../bindings/phy/snps,eusb2-phy.yaml          | 64 +++++++++++++++++--
>  1 file changed, 57 insertions(+), 7 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/snps,eusb2-phy.yaml b/Documentation/devicetree/bindings/phy/snps,eusb2-phy.yaml
> index 22c77968f..f4164db71 100644
> --- a/Documentation/devicetree/bindings/phy/snps,eusb2-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/snps,eusb2-phy.yaml
> @@ -23,6 +23,7 @@ properties:
>                - qcom,x1e80100-snps-eusb2-phy
>            - const: qcom,sm8550-snps-eusb2-phy
>        - const: qcom,sm8550-snps-eusb2-phy
> +      - const: samsung,exynos2200-snps-eusb2-phy
>  
>    reg:
>      maxItems: 1
> @@ -31,12 +32,12 @@ properties:
>      const: 0
>  
>    clocks:
> -    items:
> -      - description: ref
> +    minItems: 1
> +    maxItems: 3
>  
>    clock-names:
> -    items:
> -      - const: ref
> +    minItems: 1
> +    maxItems: 3
>  
>    resets:
>      maxItems: 1
> @@ -58,11 +59,60 @@ required:
>    - compatible
>    - reg
>    - "#phy-cells"
> -  - clocks
> -  - clock-names

Why? Clocks are required in both if clauses.

>    - vdd-supply
>    - vdda12-supply
> -  - resets
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - qcom,sm8550-snps-eusb2-phy
> +
> +    then:
> +      properties:
> +        reg:
> +          maxItems: 1
> +
> +        clocks:
> +          items:
> +            - description: ref
> +
> +        clock-names:
> +          items:
> +            - const: ref
> +
> +      required:
> +        - clocks
> +        - clock-names
> +        - resets
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - samsung,exynos2200-snps-eusb2-phy
> +
> +    then:
> +      properties:
> +
> +        clocks:
> +          items:
> +            - description: Reference clock
> +            - description: Bus (APB) clock
> +            - description: Control clock
> +
> +        clock-names:
> +          items:
> +            - const: ref
> +            - const: bus
> +            - const: ctrl
> +
> +      required:
> +        - clocks
> +        - clock-names
>  
>  additionalProperties: false
>  
> -- 
> 2.43.0
> 

-- 
With best wishes
Dmitry