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Thu, 06 Nov 2025 01:15:26 -0800 (PST) X-Google-Smtp-Source: AGHT+IHun9YYghwsNEVAON0drNEeOBr3tdiHVJCshN/1Daostzc8S6e6a1xDbSuel5MNU+po1yNqkw== X-Received: by 2002:a17:90b:2888:b0:33e:30b2:d20 with SMTP id 98e67ed59e1d1-341a70082demr8272554a91.33.1762420526210; Thu, 06 Nov 2025 01:15:26 -0800 (PST) Received: from [10.218.33.29] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-341d08afb02sm1083005a91.0.2025.11.06.01.15.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 06 Nov 2025 01:15:25 -0800 (PST) Message-ID: <25e8453b-91fb-49f2-a61b-fd7b3267e558@oss.qualcomm.com> Date: Thu, 6 Nov 2025 14:44:58 +0530 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/5] arm64: dts: qcom: sc8280xp: Add missing VDD_MXC links To: Konrad Dybcio , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Johan Hovold , Mathieu Poirier , Manivannan Sadhasivam , Vinod Koul , Michael Turquette , Stephen Boyd , Taniya Das , Imran Shaik , Vladimir Zapolskiy , Jagadeesh Kona , Ulf Hansson , Bryan O'Donoghue Cc: Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, Jagadeesh Kona References: <20251104-topic-8280_mxc-v1-0-df545af0ef94@oss.qualcomm.com> <20251104-topic-8280_mxc-v1-5-df545af0ef94@oss.qualcomm.com> <1e464f5d-f4ed-4ee5-b966-fc7de586340a@oss.qualcomm.com> <7f7179b7-73a0-40f3-b921-888b3e21537c@oss.qualcomm.com> Content-Language: en-US From: Imran Shaik In-Reply-To: <7f7179b7-73a0-40f3-b921-888b3e21537c@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=W981lBWk c=1 sm=1 tr=0 ts=690c672f cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=IzPYbt_51FXaukp9Qk0A:9 a=NqO74GWdXPXpGKcKHaDJD/ajO6k=:19 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-GUID: aOCeRFFWFi89jgtAs6vJDB38eIhdeQSQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTA2MDA3NCBTYWx0ZWRfX6SMm58MdkDSY oG3Yjfj3NeQmvnHDUy3MjOrrwHeq+w+LkSeUPTskK8BYM7C/0bJjL+TmDX/vHNpc4rR11ROSpJ4 F1ElkZOTrkIwqxsvZpZoZxaR7idRnpgZcn+m7Nr/+nM7iOinWJa0LUTyMDwAy1QJyk+u2h8xlK6 yl4AKf4+ey8LLD4z7OdCb6MlnNpTkEgT4DmoRzjGMxmnPQYCNMRFCrHr2zKxT0/hoR+2zaEiDqK lmVuJT1Ixxf9HTlLJvPqVUfzzLzHQBIw2wAs2UyqAE2L+3bufxlsA/N/1SSaK2NbANsTYIFCNlZ o0REZ48ahxSGtSvwgIkh8ZeK6cU1c4+3yNdqvmi3hEwvVoBhPjSvrDMQCRl181R7+wmeckw/sSS nq4wY1aA+wR35dpBAQkGOo255/BfVw== X-Proofpoint-ORIG-GUID: aOCeRFFWFi89jgtAs6vJDB38eIhdeQSQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-06_02,2025-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 adultscore=0 spamscore=0 impostorscore=0 bulkscore=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511060074 On 11/5/2025 4:32 PM, Konrad Dybcio wrote: > On 11/5/25 10:21 AM, Imran Shaik wrote: >> >> >> On 11/5/2025 1:01 AM, Konrad Dybcio wrote: >>> From: Konrad Dybcio >>> >>> To make sure that power rail is voted for, wire it up to its consumers. >>> >>> Fixes: 9bd07f2c558f ("arm64: dts: qcom: sc8280xp: Add in CAMCC for sc8280xp") >>> Fixes: 152d1faf1e2f ("arm64: dts: qcom: add SC8280XP platform") >>> Signed-off-by: Konrad Dybcio >>> --- >>> arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 22 ++++++++++++++++------ >>> 1 file changed, 16 insertions(+), 6 deletions(-) >>> >>> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi >>> index 5334adebf278..643a61cc91b4 100644 >>> --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi >>> +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi >>> @@ -4586,8 +4586,10 @@ camcc: clock-controller@ad00000 { >>> <&rpmhcc RPMH_CXO_CLK>, >>> <&rpmhcc RPMH_CXO_CLK_A>, >>> <&sleep_clk>; >>> - power-domains = <&rpmhpd SC8280XP_MMCX>; >>> - required-opps = <&rpmhpd_opp_low_svs>; >>> + power-domains = <&rpmhpd SC8280XP_MMCX>, >>> + <&rpmhpd SC8280XP_MXC>; >> >> I see that none of the CAMCC PLLs/clocks are on MXC rail on SC8280XP target. >> So, MXC support is not required for CAMCC. > > Hm, to the extent that camss is supported upstream, I could indeed > boot without pd_ignore_unused and the camera actually kept working.. > > I see in docs that there are links between MXC and various IPs within > camera so I'm a little confused. Would you know more? > Not sure on the rail requirements from the camera core side, but from the camera clock controller side, we don't need the MXC support. Thanks, Imran > > I wasn't able to test venus because it locks up either way.. > > Konrad