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Wed, 29 Jul 2026 05:13:59 -0700 (PDT) X-Received: by 2002:a05:622a:aa46:20b0:51b:8543:cbbd with SMTP id d75a77b69052e-529d6f6db71mr44778141cf.1.1785327238610; Wed, 29 Jul 2026 05:13:58 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1f83cdf452sm106406166b.14.2026.07.29.05.13.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 29 Jul 2026 05:13:57 -0700 (PDT) Message-ID: Date: Wed, 29 Jul 2026 14:13:55 +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 2/2] arm64: dts: qcom: qcs6490-rubikpi3: Add IMX219 camera overlays To: Hongyang Zhao , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Roger Shimizu , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org References: <20260723-rubikpi-next-20260615-v2-0-47c5add80114@thundersoft.com> <20260723-rubikpi-next-20260615-v2-2-47c5add80114@thundersoft.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260723-rubikpi-next-20260615-v2-2-47c5add80114@thundersoft.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Info: AW1haW4tMjYwNzI5MDEwMSBTYWx0ZWRfX4NhuzNqgpbwf Yt7TWsKG15/x7hHdvvmAiMDHzdfQU3olFzamieKMrs26MIVT5SZeKetA5oHXfSbCiXv3BC/lZML mQ1joS4XRT9tU1ECXsC/6BlWC2DpcdQ= X-Authority-Analysis: v=2.4 cv=Opl/DS/t c=1 sm=1 tr=0 ts=6a69ee88 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=Wdb1h0LgAAAA:8 a=cV_IwbTCVfHGfDX6aFIA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 a=j5gyrzqu0rbr1vhfHjzO:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzI5MDEwMSBTYWx0ZWRfX+e0t/mz8G/1D 8Wc6isWfi+LYGnCOadwY1O0p/Rsll0zvkEoPlwqOZ/4lVcTTh8CS3fyg4AT4CI4GHXXWrx9jdRk IFitaHMl4sPJZDZMtH7obRHbzvT9SobXCPmhvDjLESNHjKYNt6Mr/FlhrsZfYGE1qckGMrFOTRU F9AYv7OI6BhQ/5bJYtR0ey0c7Liz3GCXpc/MXLR1scK2LShurahzIlbSBvjCAvSmSOODV+URPih rzJ97MADrGR1RG6BJXyPpuUr/Q0Rd3o9muQLpkc4NPh3UwzptQNuCqmGLJ5mzIZxtsPUeUA+8il V0TwyObd5S18MxslpeO+YfSoh3WHBROvmwsSDsSJ+3SpAlHZi47QA1ioS/96riWudcT5vzPLFRR 8DJRVYZgVqPtsLvEfxNMXwAYOIGSRrU3Wf+pxk1SqcHRLsi5u8HSl1PhVOO1RXes0qHxjGMU6ur c2NlDLKYjEj9Wkwy0pw== X-Proofpoint-ORIG-GUID: arpts0HixtofmfdnCaFWy-qc20O9AZde X-Proofpoint-GUID: arpts0HixtofmfdnCaFWy-qc20O9AZde X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-29_04,2026-07-28_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 phishscore=0 spamscore=0 priorityscore=1501 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607290101 On 7/22/26 6:12 PM, Hongyang Zhao wrote: > RUBIK Pi 3 ships without camera sensors, and its two connectors support > multiple modules. Keep module-specific nodes out of the base board DTS > and add per-connector overlays for Raspberry Pi Camera Module V2 IMX219 > sensors. > > CAM1 uses CCI1 and CSIPHY1, while CAM2 uses CCI0 and CSIPHY4. Each > overlay describes the 24 MHz sensor input clock and the three sensor > rails derived from the switched 3.3 V connector supply. > > Describe each connector CAMERA_GPIO signal as a privacy indicator LED > and associate it with the corresponding sensor. This lets the V4L2 core > control the LED while the sensor is streaming. > > Signed-off-by: Hongyang Zhao > --- [...] > + /* The module enables its three sensor rails together through PWR_EN. */ > + vreg_cam2_pwr: regulator-camera2-pwr { > + compatible = "regulator-fixed"; > + > + regulator-name = "vreg_camera2_pwr"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + > + gpio = <&tlmm 58 GPIO_ACTIVE_HIGH>; Is this (and the other) regulator on the SBC, or on the module (with the PWR_EN pin just being an output to the module connector)? Konrad