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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-65fac07c09fsm3499457a12.32.2026.03.02.06.19.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Mar 2026 06:19:30 -0800 (PST) Message-ID: <9cb20af1-c2f5-4511-a066-24bc689d2fa5@oss.qualcomm.com> Date: Mon, 2 Mar 2026 15:19:27 +0100 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 1/2] arm64: dts: qcom: hamoa-iot-som: Add pm8010 L4M regulator To: Wenmeng Liu , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Bryan O'Donoghue , Vladimir Zapolskiy Cc: 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, linux-media@vger.kernel.org, Tingguo Cheng References: <20260227-hamoa_evk-v1-0-36f895a24d8f@oss.qualcomm.com> <20260227-hamoa_evk-v1-1-36f895a24d8f@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260227-hamoa_evk-v1-1-36f895a24d8f@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=V4NwEOni c=1 sm=1 tr=0 ts=69a59c75 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=__G2b6sp-w7MuTAc3JcA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-GUID: 5i8BS5zqgksTTYU1beryT_lTAWKNdcj9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzAyMDEyMCBTYWx0ZWRfXw20hxVOduUDJ MVttqzO4N5/FhhvnvB7OxMoNKeCNZsqv0AM3Oec4DlInQOOChxzAGdr0CljvT44HMiwagSrGtvX T/Xfw6qfHOOknFkKydvYtKql/iQRP2eFlEXX2JlpVnMcqQs3WpYQtvSj8bbGWV/0bkLGvna4xvC VdtkE81SddwY62fsHivZjx3gBL3Ljekcl0OkE90AGJ+qdGJvJYMt2rZup/VFNCr3IruKNH7Hyg2 mcUhj0AENkyYzXGoF29DenDWZUghBtjk4tmhC9jJryUE13ldWQw7b2My4+fhHdVcWjRpgIgDNSG +uCbnl3mKM3nN29c+Rv89tQLP4BCIF+ROsqg/kMmpOzzueXjjcodBVef4UIw1USOREkAN1PiSR8 Xak5WXm2BLgyaSPuQkRCaJjNISUqPSJrnR7SpHGI3YhQUNaSuvNR+3yAKsQnYYJdum/GqM3MIT3 kzThkN27KgiwJVL13uw== X-Proofpoint-ORIG-GUID: 5i8BS5zqgksTTYU1beryT_lTAWKNdcj9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-02_03,2026-03-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 bulkscore=0 spamscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603020120 On 2/27/26 6:29 AM, Wenmeng Liu wrote: > From: Tingguo Cheng > > Add pm8010 L4M regulator which is used by Camera I2C pull-up. I think this mandates regulator-always-on, as we don't have a better solution for that now Konrad > > Signed-off-by: Tingguo Cheng > Signed-off-by: Wenmeng Liu > --- > arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi > index b8e3e04a6fbd489f66bb44a02aba7b9746f30fe2..5d9af325c931ebbc9f3f8261d427a31e6da090be 100644 > --- a/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi > +++ b/arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi > @@ -376,6 +376,21 @@ vreg_l3j_0p8: ldo3 { > regulator-initial-mode = ; > }; > }; > + > + /* PM8010_M */ > + regulators-8 { > + compatible = "qcom,pm8010-rpmh-regulators"; > + qcom,pmic-id = "m"; > + > + vdd-l3-l4-supply = <&vreg_s4c_1p8>; > + > + vreg_l4m_1p8: ldo4 { > + regulator-name = "vrer_l4m_1p8"; typo: 'vreg' > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1808000>; > + regulator-initial-mode = ; > + }; > + }; > }; > > &iris { >