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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8de94216e90sm3026185a.1.2026.04.10.01.38.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 10 Apr 2026 01:38:31 -0700 (PDT) Message-ID: Date: Fri, 10 Apr 2026 16:38:23 +0800 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 4/4] arm64: dts: qcom: purwa-iot-evk: Add camss node To: Bryan O'Donoghue , Robert Foss , Todor Tomov , Vladimir Zapolskiy , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260410-purwa_camss-v1-0-eedcf6d9d8ee@oss.qualcomm.com> <20260410-purwa_camss-v1-4-eedcf6d9d8ee@oss.qualcomm.com> <765e4740-cf13-4d4e-ab69-c1abe1c39d34@linaro.org> Content-Language: en-US From: Wenmeng Liu In-Reply-To: <765e4740-cf13-4d4e-ab69-c1abe1c39d34@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: 1qFZC4YgKrhrYAc3ShCj2GnFjpT1Hdz4 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDEwMDA3OSBTYWx0ZWRfX1zqUUoVdlXI2 rB+AJJSonaSKzohiCqqaZxnIEKbIJvpEHmRSkEbZdC7fVGsb4DMChyczaEDA51lX3rDHVm4KOy7 cFR67kxcgTxWZ4Kk3JujzkBIFY7USM2YSYUIOjDVGlOn8IPq9lwJwGJIqbm7pgYaGg8iF6yfem5 vnFm56NWaarQlw4E3irFGYNRfsU8rIQONID1hcdEE2U3JgdO8WUm7agRIpTqIb/OgEwDCacCI66 ntixIUWF9RcihGH9wQHwxgUS63mJyaljPnA6KYSXU9Ueau5Cp09UduhkAFvQt+Y1kEjewkAkJti f/KKszh30stKoQ/BOwl9oeEv7Og/9PTWfSzCksyifyY9YUswNHX2+g3KFPr0gK95nmydShqy1bK fspKp4FzeL1dqJk8+lb95gzr4Q+eMmkRCpkYnT3IlkBpZeP5HSDCjKve2oj9Mwc6u07Xb3f1wRO R0BskRT1rI1EMrhRrbw== X-Authority-Analysis: v=2.4 cv=OMcXGyaB c=1 sm=1 tr=0 ts=69d8b709 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=HSoUWuXAm51uA-1-LAMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: 1qFZC4YgKrhrYAc3ShCj2GnFjpT1Hdz4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-10_02,2026-04-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604100079 Hi Bryan, On 4/10/2026 4:16 PM, Bryan O'Donoghue wrote: > On 10/04/2026 05:25, Wenmeng Liu wrote: >> nable camss node for purwa iot evk board camss tpg support. >> >> Signed-off-by: Wenmeng Liu >> --- >>   arch/arm64/boot/dts/qcom/purwa-iot-evk.dts | 4 ++++ >>   1 file changed, 4 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts b/arch/arm64/ >> boot/dts/qcom/purwa-iot-evk.dts >> index >> ad503beec1d3d8c671d3564942a74c484de762d0..eef03f1eb2a950c06294159be3f97169fb487265 100644 >> --- a/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts >> +++ b/arch/arm64/boot/dts/qcom/purwa-iot-evk.dts >> @@ -734,6 +734,10 @@ retimer_ss2_con_sbu_out: endpoint { >>       }; >>   }; >> +&camss { >> +    status = "okay"; >> +}; > > Hmm. > > I don't agree with this. Enabling the CAMSS node with just the TPG is of > very low value to an end-user and doesn't "prove out" the CSIPHY, TPG > and RDI path - which is the minimum entry point in upstream right now. > > I don't support less than a sensor at minimum. > > You guys must have a sensor you've used with this board ? > Yes we have, but both not upstreamed sensor, we currently have no plans for sensor upstream, perhaps this work will be carried out later. And ack comments on the previous patch. Thanks, Wenmeng