linux-kernel - Re: [PATCH 4/4] arm64: dts: qcom: sa8775p-ride: Add QCS9100 compatible

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Message-ID: <ace5b3e1-f4a2-4c04-821a-e797d0f55cae@quicinc.com>
Date: Wed, 7 Aug 2024 19:04:04 +0800
From: Tingwei Zhang <quic_tingweiz@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
        Tengfei Fan
	<quic_tengfan@...cinc.com>,
        Bjorn Andersson <andersson@...nel.org>,
        "Konrad
 Dybcio" <konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        "Krzysztof
 Kozlowski" <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <kernel@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] arm64: dts: qcom: sa8775p-ride: Add QCS9100
 compatible

On 8/7/2024 5:35 PM, Krzysztof Kozlowski wrote:
> On 07/08/2024 11:17, Tengfei Fan wrote:
>>
>>
>> On 8/7/2024 3:28 PM, Krzysztof Kozlowski wrote:
>>> On 06/08/2024 06:19, Tengfei Fan wrote:
>>>> Add QCS9100 compatible in sa8775p ride and sa8775p ride r3 board DTS.
>>>> QCS9100 references SA8775p, they share the same SoC DTSI and board DTS.
>>>>
>>>
>>> I don't understand this. You claim here that QCS9100 references SA8775p
>>> but your diff says other way: SA8775p references QCS9100.
>>>
>>> Sorry, that's confusing.
>>>
>>> Best regards,
>>> Krzysztof
>>>
>>
>> I will update the compatible as follows to indicate that QCS9100
>> references SA8775p.
>>
>> compatible = "qcom,sa8775p-ride", "qcom,qcs9100", "qcom,sa8775p";
> 
> Is this still correct, though? sa8775p won't come with qcs9100 SoC.
We have a new board. Hardware is same as sa877p-ride except sa8775p is 
replaced with qcs9100. We add qcs9100 SoC compatible to sa8775p-ride 
device tree to indicate this board can support both sa8775p SoC and 
qcs9100 SoC.
> 
> Best regards,
> Krzysztof
> 

-- 
Thanks,
Tingwei