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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8fc766554bsm250799166b.46.2026.02.16.03.58.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Feb 2026 03:58:21 -0800 (PST) Message-ID: <83ae42ae-233d-49b2-a4e9-43ad879cbe39@oss.qualcomm.com> Date: Mon, 16 Feb 2026 12:58:18 +0100 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 3/3] arm64: dts: qcom: pm660: add thermal monitor To: Richard Acayan Cc: Lee Jones , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Amit Kucheria , Thara Gopinath , "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Stephen Boyd , Dmitry Baryshkov , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org References: <20260210021819.12673-1-mailingradian@gmail.com> <20260210021819.12673-4-mailingradian@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=ZJraWH7b c=1 sm=1 tr=0 ts=69930660 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=VwQbUJbxAAAA:8 a=-X_Uy8J1N6Iodyj9KHAA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: WxZqv2zmTxLXuHPqnrkDvx7EC5xFnYk1 X-Proofpoint-GUID: WxZqv2zmTxLXuHPqnrkDvx7EC5xFnYk1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjE2MDEwMCBTYWx0ZWRfX0MRShh6LrE7O I6MILdKsNrlkeoL2dGtULOxUZzHkouvUGniM/454ANp6S1bEBHagyDzSfN4081M3lOZRqIWw+hL YI9NzSLGU4jsTr6JG5G3IpDnxSMepcl2K/aWbOD0bq/O6y4Zyw9o4arXN3/shll/LkpkR+yQZuX p8PChTvoX1MFEIs9XHov/VO8Woo+a28lagGhN/83kytylsmNYqvkgeMlcod/my6AxPE12TK/QOT wdQUCNgQur3PkiCGgIgRjqiP56rTmh+0/RyWFVp7GcYxu3Z92554i7RQ305QJbgIgyAhzJu7izG bX2GHBrdHp3vlbxx5C5cZWqecOiiFcwIckRYCnTYvwSstobZxSdXFGXIbwwLvEDfF/z9jwWYLeT FlCHS4A1M0udSE33CKLB47FYDuwLKX5w4iWELiuceTgYt/7ol0ylzZ9Knsx/2YtIExT6aH0lllV XWcmtArhgRmkkMGs5gg== 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=2026-02-16_04,2026-02-16_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 bulkscore=0 spamscore=0 suspectscore=0 phishscore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602160100 On 2/12/26 7:27 PM, Richard Acayan wrote: > On Thu, Feb 12, 2026 at 01:15:04PM +0100, Konrad Dybcio wrote: >> On 2/11/26 1:29 AM, Richard Acayan wrote: >>> On Tue, Feb 10, 2026 at 10:59:20AM +0100, Konrad Dybcio wrote: >>>> On 2/10/26 3:18 AM, Richard Acayan wrote: >>> (snip) >>>>> + pm660_adc_tm: adc-tm@3400 { >>>>> + compatible = "qcom,spmi-adc-tm-hc"; >>>>> + reg = <0x3400>; >>>>> + interrupts = <0x0 0x34 0x0 IRQ_TYPE_EDGE_RISING>; >>>>> + #thermal-sensor-cells = <1>; >>>>> + #address-cells = <1>; >>>>> + #size-cells = <0>; >>>>> + status = "disabled"; >>>> >>>> Can we enable it by default? >>> >>> No, the thermal monitor fails to probe if it doesn't have any channels: >>> >>> [ 17.728926] qcom-spmi-adc-tm5 c440000.spmi:pmic@0:adc-tm@3400: error -EINVAL: get dt data failed >>> [ 17.728945] qcom-spmi-adc-tm5 c440000.spmi:pmic@0:adc-tm@3400: probe with driver qcom-spmi-adc-tm5 failed with error -22 >>> >>> Triggered by https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/drivers/thermal/qcom/qcom-spmi-adc-tm5.c?h=next-20260209#n945 >> >> You can define the following ones in the common dt: >> >> REF_GND > > Is there any (likely passive, if any) cooling device that should be > activated when this goes above or below a certain reading? I don't think so > >> 1.25VREF >> VREF_VADC >> VPH_PWR >> VCOIN >> DIE_TEMP > > Maybe this temperature can be included, but I don't see any other > PMIC devicetree that has this channel ready-to-go. This channel is internally connected and handled by temp_alarm, I think describing it via the ADC just lets one peek into the raw values Konrad > >> ANA_IN