linux-kernel - Re: [PATCH v3 2/8] dt-bindings: phy: qcom,qmp-usb: Add IPQ9574 USB3 PHY

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Message-ID: <a8c3f324-0231-2180-8464-a3bfc663f743@linaro.org>
Date:   Thu, 23 Mar 2023 07:42:37 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Varadarajan Narayanan <quic_varada@...cinc.com>
Cc:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        vkoul@...nel.org, kishon@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, gregkh@...uxfoundation.org,
        mturquette@...libre.com, sboyd@...nel.org, quic_wcheng@...cinc.com,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH v3 2/8] dt-bindings: phy: qcom,qmp-usb: Add IPQ9574 USB3
 PHY

On 23/03/2023 07:37, Varadarajan Narayanan wrote:
> On Wed, Mar 22, 2023 at 10:52:44PM +0100, Krzysztof Kozlowski wrote:
>> On 22/03/2023 11:44, Varadarajan Narayanan wrote:
>>> Add dt-bindings for USB3 PHY found on Qualcomm IPQ9574
>>>
>>> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
>>>
>>> ---
>>>  Changes in v2:
>>> 	- Updated sections missed in previous patch
>>> ---
>>>  .../bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml    | 22 ++++++++++++++++++++++
>>>  1 file changed, 22 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml
>>> index e81a382..beae44c 100644
>>> --- a/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml
>>> +++ b/Documentation/devicetree/bindings/phy/qcom,msm8996-qmp-usb3-phy.yaml
>>> @@ -21,6 +21,7 @@ properties:
>>>      enum:
>>>        - qcom,ipq6018-qmp-usb3-phy
>>>        - qcom,ipq8074-qmp-usb3-phy
>>> +      - qcom,ipq9574-qmp-usb3-phy
>>>        - qcom,msm8996-qmp-usb3-phy
>>>        - qcom,msm8998-qmp-usb3-phy
>>>        - qcom,qcm2290-qmp-usb3-phy
>>> @@ -204,6 +205,27 @@ allOf:
>>>          compatible:
>>>            contains:
>>>              enum:
>>> +              - qcom,ipq9574-qmp-usb3-phy
>>> +    then:
>>> +      properties:
>>> +        clocks:
>>> +          maxItems: 2
>>
>> toplevel defines minItems as 3, so are you sure this works? Did you test it?
> 
> Yes, this is tested. Able to do I/O.

Bindings do not impact on whether you can or can not do IO, so I meant
tested as DTS is compliant with bindings. I assume it was not, so please
test bindings and DTS before sending new version.
see Documentation/devicetree/bindings/writing-schema.rst for instructions

> We only have 2 items. Is it ok change the minItems to 2?

Yes, because you must update top level (and maybe other) constraints to
correct ones. Just test the code...


Best regards,
Krzysztof