linux-kernel - Re: [PATCH v2 1/3] dt-bindings: i2c: qcom-cci: Document qcs8300 compatible

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Message-ID: <373bbb78-2b0c-446c-be97-53b82edeed64@quicinc.com>
Date: Tue, 16 Sep 2025 16:37:02 +0530
From: Nihal Kumar Gupta <quic_nihalkum@...cinc.com>
To: Rob Herring <robh@...nel.org>, Vikram Sharma <quic_vikramsa@...cinc.com>
CC: <vladimir.zapolskiy@...aro.org>, <bryan.odonoghue@...aro.org>,
        <mchehab@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <andersson@...nel.org>, <konradybcio@...nel.org>,
        <hverkuil-cisco@...all.nl>, <cros-qcom-dts-watchers@...omium.org>,
        <catalin.marinas@....com>, <will@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <quic_svankada@...cinc.com>,
        <linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Ravi Shankar <quic_rshankar@...cinc.com>
Subject: Re: [PATCH v2 1/3] dt-bindings: i2c: qcom-cci: Document qcs8300
 compatible



On 16-09-2025 08:18, Rob Herring wrote:
> On Fri, Sep 12, 2025 at 07:41:32PM +0530, Vikram Sharma wrote:
>> From: Nihal Kumar Gupta <quic_nihalkum@...cinc.com>
>>
>> Add device tree bindings for the CCI controller on the
>> Qualcomm QCS8300 SoC.
>> Introduce the "qcom,qcs8300-cci" compatible string.
> Wrap commit messages at 72 chars. And explain how it's the same or 
> different from existing SoCs in the commit message. Don't explain the 
> diff. We can read that ourselves.
> 

SA8775P(Lemans) has 4 CCIs, while QCS8300 (Monaco) has 3 CCI, with the 
only difference being the GPIOs used for SDA/SCL pins.

Currently, the CCI driver probe happens through the "qcom,msm8996-cci" 
compatible string. Could we use the existing SA8775P compatible string
"qcom,sa8775p-cci" or we should remove it? 

Please advise on the preferred approach for upstream compliance.

>> Signed-off-by: Nihal Kumar Gupta <quic_nihalkum@...cinc.com>
>> Signed-off-by: Vikram Sharma <quic_vikramsa@...cinc.com>
>> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
>> ---
>>  Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml | 2 ++
>>  1 file changed, 2 insertions(+)

Regards,
Nihal Kumar Gupta