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Mon, 08 Jun 2026 03:44:56 -0700 (PDT) X-Received: by 2002:a05:622a:904:b0:50e:6311:7380 with SMTP id d75a77b69052e-51795c0d8bemr109931761cf.6.1780915496521; Mon, 08 Jun 2026 03:44:56 -0700 (PDT) Received: from [192.168.120.170] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-68e65b58596sm6943544a12.30.2026.06.08.03.44.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Jun 2026 03:44:55 -0700 (PDT) Message-ID: <18f5e5a0-de70-4d6a-bc5a-93d402059aff@oss.qualcomm.com> Date: Mon, 8 Jun 2026 12:44:52 +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 v3 3/5] arm64: dts: qcom: Add Shikra CQ2390M SoM platform To: Komal Bajaj , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Neil Armstrong , Wesley Cheng , Ulf Hansson Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-mmc@vger.kernel.org, monish.chunara@oss.qualcomm.com, Rakesh Kota References: <20260522-shikra-dt-v3-0-80ffde8a3dc4@oss.qualcomm.com> <20260522-shikra-dt-v3-3-80ffde8a3dc4@oss.qualcomm.com> <63752557-6468-4aef-a847-06aa39ce108d@oss.qualcomm.com> <3758be2d-4553-40b3-8ae6-bc3e502d0531@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <3758be2d-4553-40b3-8ae6-bc3e502d0531@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA4MDEwMSBTYWx0ZWRfX2ObgxaN548IW QI8b9/Ax3EnwbJf/tELvRU3F0wCrwwYOVazPKMt+PLuuUTiehX5xpowfg9hAQSGrsbr8FdOgFdi OG/wJKBVOZz24MLEk3IGXar52y8C8xz8XUmtVxEFmO44Vmsa/ORpjqkBnSVqyxc8MqAMZedAFwD R+ukEWdSaBXk50NkMurlvuHF+DsfFv6Wc6TGPXxjHP2TbZXMikfLFwhT3XyAH6g4VMTnzUf50ZF K+WweTpBBb4hJFLMkWiArDsA6dMjJlb7ibKcfkfIVcNY84aCptJdBNBC5rTqEFnfhXARd/mnBTF m8CXUGbnDswtwUS3qWk2d0hON7rMvCZUDxRat6GZxPFmI2LU1qmbmWTntllb7J4csRgwzO4JPEV OlSRcOahqxlxmt51m2f7KUZ+JrG/PRswiJVk0XmRrIRZNh/Lb1UR2viJIQxHZ9dC/o5CcOPFul8 GgmGfy8UuedLQNiGPNw== X-Proofpoint-ORIG-GUID: ZCPF28t0hTFsxdsuXoTS7Wp9NlBPrlik X-Authority-Analysis: v=2.4 cv=ZY4t8MVA c=1 sm=1 tr=0 ts=6a269d29 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=jymwzkz8D7XtJHPt1hQA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-GUID: ZCPF28t0hTFsxdsuXoTS7Wp9NlBPrlik X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-08_02,2026-06-05_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 adultscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 spamscore=0 malwarescore=0 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606080101 On 5/27/26 3:32 PM, Komal Bajaj wrote: > On 5/25/2026 6:46 PM, Konrad Dybcio wrote: >> On 5/22/26 8:02 PM, Komal Bajaj wrote: >>> Add device tree include for the CQ2390M variant of the Shikra >>> System-on-Module, a compact compute module integrating the Shikra SoC >>> and PMIC for IoT applications, designed to mount on carrier boards. >>> >>>    - shikra-cqm-som.dtsi: Retail SoM with modem (PM4125 and PM8005 PMIC) >>> >>> The DTSI includes the common shikra.dtsi, adds PM4125 and PM8005 PMIC >>> regulator definitions specific to this variant. >>> >>> Co-developed-by: Rakesh Kota >>> Signed-off-by: Rakesh Kota >>> Signed-off-by: Komal Bajaj >>> --- [...] >>> +&pm8005_regulators { >>> +    status = "disabled"; >>> +}; >> ? > > Already there's an ongoing discussion over the thread [1]. > PM8005 regulators are controlled by rpmpd so it's not expected to be enabled here. > > [1]: https://lore.kernel.org/all/20260525093453.edmqryggp5kcqxxy@hu-kotarake-hyd.qualcomm.com/ Right. Downstream, MSM8998 (the other user) binds it to the GFX CPR, which probably has the benefit lower latency than if it were to go through RPM (although I was sorta hoping this would be an instance of cargo cult that we could just rip out..). If you add /omit-if-no-ref/ above the definition of the pm8005_regulators node in pm8005.dtsi, does it get correctly skipped (i.e. if you do dtc -I dtb shikra.dtb -O dts | grep qcom,pm8005-regulators, is is there)? Konrad