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Fri, 31 Jul 2026 08:41:11 -0700 (PDT) X-Received: by 2002:ac8:5a51:0:b0:51b:ff78:f229 with SMTP id d75a77b69052e-52b5684f9a8mr7596751cf.5.1785512470484; Fri, 31 Jul 2026 08:41:10 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c1fd44542ddsm218339866b.29.2026.07.31.08.41.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 31 Jul 2026 08:41:09 -0700 (PDT) Message-ID: <3ac4eb1b-348b-444a-bba0-e4c64d5b57bb@oss.qualcomm.com> Date: Fri, 31 Jul 2026 17:41:06 +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: sdm845-shift-axolotl: Add actuator for main rear camera To: david@ixit.cz, Sakari Ailus , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Alexander Martinz Cc: Krzysztof Kozlowski , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org References: <20260730-dw9714v-v2-0-d5da19e6c60b@ixit.cz> <20260730-dw9714v-v2-2-d5da19e6c60b@ixit.cz> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260730-dw9714v-v2-2-d5da19e6c60b@ixit.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=W8sIkxWk c=1 sm=1 tr=0 ts=6a6cc217 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=olqSXg431-K1-hY-Iw0A:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzMxMDExOSBTYWx0ZWRfX2xU7N7Eb5xIf nTIAvxqce8DcZPuYA2k0PicGiSfeESGbx9ZSlOHuqYlP6VhS6voje7AhZDhGCaxM1WWGx/ah4EA KYrEHlQ6Z0PVW3r5ytFlc69ciFBJ96o= X-Proofpoint-ORIG-GUID: BRJdX9XjFvNleKqZnr1Kio00DKQ-Rmsk X-Proofpoint-GUID: BRJdX9XjFvNleKqZnr1Kio00DKQ-Rmsk X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzMxMDExOSBTYWx0ZWRfX6vLLLAJ5RoP9 creJueIsix2X2WMaOaOlW/sr6n9uNkc+epO52Mqw4W9SQfsR62Cml8SPWUHootnESFxnzbkxC6U 4tLqrXx8VSztOsq8zuA+2OBgsMfhVFtrqDw3pI0I6DkzfA99N1Ye/yB9KOT7hWrnzXKD/v/TIA0 dAL9QkB93oUSRKWSqTIu+d15G1Sax7NbbgYtIfK3EQTO1wWM7CqZetn6uue1JJRubJhf0RhGpnY WffJbkGjz5nB+OUOfaRglXXQmp7sv2WLWfypZ/lK8wyJ0kicTuzz3xZ7wdzO/NWKt8Mp2UxQR2/ 90cA1E3kSmqWB4HppE2L7OaS6FgOOAqlInduxkXEHi3BswfVqfcFF+Kyhzcvw7wxedYvyWOZNNp 1jR+udfRH4eUoFuC84DD0Yu+eBnvZd5zTGmlZGjlVRwTo2ZH8rEo8CIHLRk93u6hHnw2pZx2udr K0tZ/gDgcUF0tIFXHGw== 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=2026-07-31_05,2026-07-30_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 phishscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 malwarescore=0 suspectscore=0 spamscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607310119 On 7/30/26 12:20 AM, David Heidelberg via B4 Relay wrote: > From: David Heidelberg > > Main rear camera uses Dongwoon DW9714V actuator. Add regulator and > actuator node. > > Signed-off-by: David Heidelberg > --- [...] > + /* SGM2036-2.8YUDH4G/TR */ > + cam_bus_2p8: regulator-cam-bus-2p8 { > + compatible = "regulator-fixed"; > + > + regulator-name = "cam_bus_2p8"; > + regulator-min-microvolt = <2800000>; > + regulator-max-microvolt = <2800000>; > + regulator-enable-ramp-delay = <100>; > + > + gpio = <&tlmm 8 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + > + pinctrl-0 = <&cam_bus_avdd_default_state>; > + pinctrl-1 = <&cam_bus_avdd_sleep_state>; > + pinctrl-names = "default", "sleep"; > + > + vin-supply = <&vreg_bob>; > + > + /* > + * TODO: This node represent bus supply to the cam i2c module. > + * Others DT do in similar fashion, but should be addressed > + * by the bus-supply in the future > + */ I can't quite parse the second sentence.. [...] > +&cci_i2c0 { > + rear_camera_actuator: actuator@c { > + compatible = "dongwoon,dw9714v", "dongwoon,dw9714a", "dongwoon,dw9714"; 1 a line would be neater [...] > + cam_bus_avdd_default_state: cam-bus-avdd-default-state { > + pins = "gpio8"; > + function = "gpio"; > + bias-disable; > + drive-strength = <2>; Other nodes have drive-strength first, then bias > + }; > + > + cam_bus_avdd_sleep_state: cam-bus-avdd-sleep-state { > + pins = "gpio8"; > + function = "gpio"; > + bias-disable; > + drive-strength = <2>; > + output-low; Drop output-low, the regulator driver will set that Konrad