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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-62f416db508sm3834982a12.32.2025.09.16.04.11.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 16 Sep 2025 04:11:36 -0700 (PDT) Message-ID: <49d6c554-e6ed-4c86-8946-be2cdba659d0@oss.qualcomm.com> Date: Tue, 16 Sep 2025 13:11:34 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/3] dt-bindings: i2c: qcom-cci: Document qcs8300 compatible To: Nihal Kumar Gupta , Rob Herring , Vikram Sharma Cc: vladimir.zapolskiy@linaro.org, bryan.odonoghue@linaro.org, mchehab@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, hverkuil-cisco@xs4all.nl, cros-qcom-dts-watchers@chromium.org, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, quic_svankada@quicinc.com, linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Ravi Shankar References: <20250912141134.2799078-1-quic_vikramsa@quicinc.com> <20250912141134.2799078-2-quic_vikramsa@quicinc.com> <20250916024858.GA3574831-robh@kernel.org> <373bbb78-2b0c-446c-be97-53b82edeed64@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <373bbb78-2b0c-446c-be97-53b82edeed64@quicinc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: q3o_YYHYayipDITVw-IFJzbta0QEE8AP X-Proofpoint-ORIG-GUID: q3o_YYHYayipDITVw-IFJzbta0QEE8AP X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTE1MDA4NyBTYWx0ZWRfX/jzsxZmBQ2bh 8z4rdd1XmSMM9Cd0Nhxf/5efcX2l7j3uo0ij2Y8/TYzqi/JDzxoNu8isrLYO/JI4Bc9wk8GOAiL TOHKOavgABedJdQt16AQUf2JWJqHnRV3ERdnRfOHqyezKmQOK2FP8WaekFTJXwvPVMHVzsWA+vE 9Y7vk4fo/NwGSJGPsEoZGSxbxZcO89DaUIexW/xgPmCGmaFb/2kSHJLfWqA9MG3TV+WQ3ufd5Pp FFYatRdOWH51GPPHc3MzWPJZi7Qc2ZS6RAMvgQKxS9j8K+G4Lbr66j0iBBdkpE5EdBqpc6npUIf rvC2qi5vJve9SZ28ra5ejuhI1JotiYwRTm6mP7Czr3kxOe5El/ME2xjlwQo2qXV3Sz0HTHOVstz qNco/nr4 X-Authority-Analysis: v=2.4 cv=SaD3duRu c=1 sm=1 tr=0 ts=68c945eb cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=COk6AnOGAAAA:8 a=-IwCPt7gIHNx5Q8nY1kA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-16_02,2025-09-12_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 malwarescore=0 phishscore=0 spamscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509150087 On 9/16/25 1:07 PM, Nihal Kumar Gupta wrote: > > > 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 >>> >>> 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. Try: """ The three instances of CCI found on the QCS8300 are functionally the same as on a number of existing Qualcomm SoCs. Introduce a new SoC-specific compatible, with a common fallback. """ Konrad