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

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Message-ID: <3d23ec54-6e55-4ee4-bc1a-179ca97878ef@gmail.com>
Date: Mon, 24 Feb 2025 09:14:12 +0200
From: Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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 2/24/25 01:43, Dmitry Baryshkov wrote:
> 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.

Right. And "ref" is a requirement. I'll fix that in the next revision.

Best regards,
Ivaylo

>
>>    - 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
>>