linux-kernel - Re: [PATCH 5/6] dt-bindings: phy-qcom-usb2: Update bindings for sdm845

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Date:   Tue, 20 Mar 2018 16:12:07 +0530
From:   Manu Gautam <mgautam@...eaurora.org>
To:     Vivek Gautam <vivek.gautam@...eaurora.org>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     linux-arm-msm@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/6] dt-bindings: phy-qcom-usb2: Update bindings for
 sdm845

Hi,


On 3/20/2018 3:53 PM, Vivek Gautam wrote:
> Hi Manu,
>
>
> On 3/16/2018 3:14 PM, Manu Gautam wrote:
>> Update compatible strings for USB2 PHYs on sdm845.
>> There are two QUSB2 PHYs present on sdm845. Few PHY registers
>> programming is different for these PHYs related to electrical
>> parameters, otherwise both are same.
>>
>> Signed-off-by: Manu Gautam <mgautam@...eaurora.org>
>> ---
>>   Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt | 4 +++-
>>   1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt
>> index 42c9742..20deaeb 100644
>> --- a/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt
>> +++ b/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt
>> @@ -6,7 +6,9 @@ QUSB2 controller supports LS/FS/HS usb connectivity on Qualcomm chipsets.
>>   Required properties:
>>    - compatible: compatible list, contains
>>              "qcom,msm8996-qusb2-phy" for 14nm PHY on msm8996,
>> -           "qcom,qusb2-v2-phy" for QUSB2 V2 PHY.
>> +           "qcom,qusb2-v2-phy" for QUSB2 V2 PHY,
>> +           "qcom,sdm845-1-qusb2-phy" for primary PHY on sdm845,
>> +           "qcom,sdm845-2-qusb2-phy" for secondary PHY on sdm845.
>
> Thanks for the patch.
>
> "qcom,sdm845-1/2-qusb2-phy" gives an impression that it is different versions of SoC,
> and not like two numbers of phy.
> May be - "qcom,sdm845-qusb2-phy-1/2"

I agree with that. Will update.

>
> Regards
> Vivek
>  
>
>>      - reg: offset and length of the PHY register set.
>>    - #phy-cells: must be 0.
>

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