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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b844e46ee63sm2295795266b.15.2026.01.15.02.22.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Jan 2026 02:22:59 -0800 (PST) Message-ID: <3cbdae12-af7f-47ee-89dd-6c00660fa6da@oss.qualcomm.com> Date: Thu, 15 Jan 2026 11:22:57 +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 v3 03/10] arm64: dts: qcom: kaanapali: Add TSENS and thermal zones To: Dmitry Baryshkov , Jingyi Wang Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, 20260114-knp-remoteproc-v4-0-fcf0b04d01af@oss.qualcomm.com, Manaf Meethalavalappu Pallikunhi References: <20260114-knp-dts-misc-v3-0-a6cc9e45de93@oss.qualcomm.com> <20260114-knp-dts-misc-v3-3-a6cc9e45de93@oss.qualcomm.com> <4c44mmkpsnj4cn2eh2xzraiw73xmhtx4qm3xiyhecm4vyou7os@skyj646r63d2> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <4c44mmkpsnj4cn2eh2xzraiw73xmhtx4qm3xiyhecm4vyou7os@skyj646r63d2> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE1MDA3NCBTYWx0ZWRfX1DjR7OhlwXwo oAIgz0+FQWkAmfOWqs8hMlTnipSB/iRAq1cmma1yjeZdULrnuNIDGGQ/sL05r1wiaddEskmzCLV Xib7QArnXxol0kvKM0IF7mEZ5ta6Fzx+w4bH9DESrgPw1+ldiSfaA9KqGKUaBeGTTtqQyT/A/HB 9g2ncl+FGz4GUuzcja1Xs0lcUbYfqOHQtGLiu/IOzjQ16Yi00LfhNMzyFmCxFYTrxBN5EdT3kil +PZ0q6nP5V+7Xnbcp9OaLR5DNpvsuRYljqyOak312ugPkh3dZpQKpwKqHJA76p+EorUST3L0uDH vKC3ASRLsvVLs1R3yAJh9lbmOPaCNvyxoxxyR1xCZpHLt5xubo+HMPpaa0y5UUVhByHKmxrPDj7 BtUI8Oar2VjLfhIE9+GF1MgPegEgT93ZtE9gHFxcIc7zYLOd+k1hYmpY2JFiPvkOBVikXw3zNJX PD9bOA660nElopohNcA== X-Proofpoint-ORIG-GUID: 49D7oWA9Al5ccoK0qHk5IMZLOKpDlw-l X-Proofpoint-GUID: 49D7oWA9Al5ccoK0qHk5IMZLOKpDlw-l X-Authority-Analysis: v=2.4 cv=aapsXBot c=1 sm=1 tr=0 ts=6968c004 cx=c_pps a=EVbN6Ke/fEF3bsl7X48z0g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=lxnUxbm5oaaQhmREaRYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=a_PwQJl-kcHnX1M80qC6:22 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=2026-01-15_03,2026-01-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 impostorscore=0 bulkscore=0 phishscore=0 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601150074 On 1/15/26 8:09 AM, Dmitry Baryshkov wrote: > On Wed, Jan 14, 2026 at 10:49:05PM -0800, Jingyi Wang wrote: >> From: Manaf Meethalavalappu Pallikunhi >> >> The Kaanapali includes seven TSENS instances, with a total of 55 thermal >> sensors distributed across various locations on the SoC. >> >> The TSENS max/reset threshold is configured to 130°C in the hardware. >> Enable all TSENS instances, and define the thermal zones with a critical >> trip at 125°C >> >> Signed-off-by: Manaf Meethalavalappu Pallikunhi >> Signed-off-by: Jingyi Wang >> --- >> arch/arm64/boot/dts/qcom/kaanapali.dtsi | 745 ++++++++++++++++++++++++++++++++ >> 1 file changed, 745 insertions(+) >> >> @@ -4795,6 +4879,667 @@ pdp_tx: scp-sram-section@100 { >> }; >> }; >> >> + thermal-zones { >> + cpullc-0-0-thermal { >> + thermal-sensors = <&tsens0 0>; >> + >> + trips { >> + cpullc-0-0-critical { >> + temperature = <125000>; >> + hysteresis = <0>; >> + type = "critical"; > > I'd really suggest having several "hot" trip points at a temp less than > 125°C. (And 125°C for critical looks way too critical for me). LMH and the firmware make sure this never happens, the critical trip point is a last resort safety mechanism Konrad