linux-kernel - Re: [PATCH v7 1/9] dt-bindings: usb: qcom,dwc3: Add bindings for SC8280 Multiport

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Date:   Tue, 2 May 2023 14:05:18 +0530
From:   Krishna Kurapati PSSNV <quic_kriskura@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Andy Gross <agross@...nel.org>,
        "Bjorn Andersson" <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        "Wesley Cheng" <quic_wcheng@...cinc.com>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <quic_pkondeti@...cinc.com>, <quic_ppratap@...cinc.com>,
        <quic_jackp@...cinc.com>, <quic_harshq@...cinc.com>,
        <ahalaney@...hat.com>, <quic_shazhuss@...cinc.com>
Subject: Re: [PATCH v7 1/9] dt-bindings: usb: qcom,dwc3: Add bindings for
 SC8280 Multiport



On 5/2/2023 1:18 PM, Krzysztof Kozlowski wrote:
> On 01/05/2023 16:34, Krishna Kurapati wrote:
>> Add the compatible string for SC8280 Multiport USB controller from
>> Qualcomm.
>>
>> There are 4 power event irq interrupts supported by this controller
>> (one for each port of multiport). Added all the 4 as non-optional
>> interrupts for SC8280XP-MP
>>
>> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
>> ---
>>   .../devicetree/bindings/usb/qcom,dwc3.yaml    | 21 +++++++++++++++++++
>>   1 file changed, 21 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
>> index d84281926f10..2c96da1ce5b8 100644
>> --- a/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
>> +++ b/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
>> @@ -26,6 +26,7 @@ properties:
>>             - qcom,sc7180-dwc3
>>             - qcom,sc7280-dwc3
>>             - qcom,sc8280xp-dwc3
>> +          - qcom,sc8280xp-dwc3-mp
> 
> SC8280xp comes with two USB controllers: one single-port and one multi-port?

Hi Krzysztof,

   SC8280XP comes with 3 controllers. The first two are single port 
controller and the third one is a multiport controller. In DTSI:
usb_0 / usb1: have compatible set to : "qcom,sc8280xp-dwc3"

And multiport controller has it set to "qcom,sc8280xp-dwc3-mp"


>>             - qcom,sdm660-dwc3
>>             - qcom,sdm670-dwc3
>>             - qcom,sdm845-dwc3
>> @@ -455,6 +456,26 @@ allOf:
>>               - const: dm_hs_phy_irq
>>               - const: ss_phy_irq
>>   
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            enum:
>> +              - qcom,sc8280xp-dwc3-mp
> 
> You miss entries for all other constraints.
>
Let me add the clock properties as well.

Regards,
Krishna,