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Message-ID: <3fe4ff88-4640-a348-e88f-ef7d8bcbef19@quicinc.com>
Date:   Fri, 28 Apr 2023 19:29:06 +0530
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Subject: Re: [PATCH v2 1/6] dt-bindings: usb: qcom,dwc3: Add bindings for
 SA8775P
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To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        <agross@kernel.org>, <andersson@kernel.org>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>
CC:     <dmitry.baryshkov@linaro.org>, <athierry@redhat.com>,
        <robh@kernel.org>, <konrad.dybcio@linaro.org>,
        Vinod Koul <vkoul@kernel.org>,
        "Kishon Vijay Abraham I" <kishon@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Wesley Cheng <quic_wcheng@quicinc.com>,
        <linux-arm-msm@vger.kernel.org>, <linux-phy@lists.infradead.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-usb@vger.kernel.org>
References: <20230428130824.23803-1-quic_shazhuss@quicinc.com>
 <20230428130824.23803-2-quic_shazhuss@quicinc.com>
 <4b690859-be5a-c331-8243-b875136d4807@linaro.org>
From:   Shazad Hussain <quic_shazhuss@quicinc.com>
In-Reply-To: <4b690859-be5a-c331-8243-b875136d4807@linaro.org>
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Hi Krzysztof,

On 4/28/2023 6:57 PM, Krzysztof Kozlowski wrote:
> On 28/04/2023 15:08, Shazad Hussain wrote:
>> Add the compatible string for SA8775P SoC from Qualcomm.
>>
>> Signed-off-by: Shazad Hussain <quic_shazhuss@quicinc.com>
>> ---
> 
> (...)
> 
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - qcom,sa8775p-dwc3
>> +    then:
>> +      properties:
>> +        interrupts:
>> +          minItems: 3
>> +          maxItems: 4
>> +        interrupt-names:
>> +          minItems: 3
>> +          items:
>> +            - const: pwr_event
>> +            - const: dp_hs_phy_irq
>> +            - const: dm_hs_phy_irq
>> +            - const: ss_phy_irq
> 
> Why the last interrupt line is optional? Is it really optional?
> 

Third usb controller i.e usb_2 supports only high speed, so I believe
ss_phy_irq is not required for that instance.

> Best regards,
> Krzysztof
> 

-Shazad