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Tue, 09 Jun 2026 03:23:39 -0700 (PDT) Received: from hu-gkohli-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c2a4a64e22sm14738915ad.61.2026.06.09.03.23.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2026 03:23:39 -0700 (PDT) From: Gaurav Kohli Date: Tue, 09 Jun 2026 15:52:59 +0530 Subject: [PATCH v3 4/8] arm64: dts: qcom: kodiak: Enable CDSP & Modem cooling Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260609-qmi-tmd-v3-4-291a2ff4c634@oss.qualcomm.com> References: <20260609-qmi-tmd-v3-0-291a2ff4c634@oss.qualcomm.com> In-Reply-To: <20260609-qmi-tmd-v3-0-291a2ff4c634@oss.qualcomm.com> To: Bjorn Andersson , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Daniel Lezcano , Amit Kucheria , Manivannan Sadhasivam , Konrad Dybcio , Gaurav Kohli , Kees Cook , "Gustavo A. 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Silva" , cros-qcom-dts-watchers@chromium.org Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-hardening@vger.kernel.org, Manaf Meethalavalappu Pallikunhi X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1781000588; l=9853; i=gaurav.kohli@oss.qualcomm.com; s=20260302; h=from:subject:message-id; bh=NKnSqFgZJGURki9OBgp3TnFWtvwAJBfehZR72tMLw0Q=; b=UBqmsG4KWK/vCEZDxippdCFvQNdBSt3VaGtSYqOpRU2I7aUy+I+F73YznlZQt3Tci4gx1TKyN 6FbWp/qbb8bCrim0jBBCoK8R5xPGiB5xNGRLffVESU571KjWaZYRvSU X-Developer-Key: i=gaurav.kohli@oss.qualcomm.com; a=ed25519; pk=IdNsqe8rWsF6dbpGHfwPEH9zM0nbOdRH72HxUT9qPak= X-Authority-Analysis: v=2.4 cv=PIs/P/qC c=1 sm=1 tr=0 ts=6a27e9ad cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=bSVz6KLsRdqTeADLfOoA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-GUID: 8FQIV66u79OGOSgmVbK9zRlVw5kfZc18 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA5MDA5NyBTYWx0ZWRfX1tDvARjMLUbQ UtIbcTyUYr06DXotbfAGjIUPfIdptnS8Q6n58O+FgmvnOjtgzYEhCh+wKot9rdITK8T9O9hEi0N VwuSJ6mOzOovZJ5RsxNapOzORbQhBPcUPyCCBEdk8Q3Cq4Zpj11DXmc7A1sKK1Qz8YREB4YgR9Q 8TqYWgYTl6nFiGqDTSOneiXQTAnpqMD2MBQd7aodLSc3JCvngs/bxROltQK6Nf2EdBzJVKftKB+ uHu07MsPvhwRtJHJ/mUovbCvwYNh52KH4ffVrM57nhSRLh07txbGsbqmjxNOPMO2IczNuG8BR/W m3FOfQiOy7lWBnIPwwSzWaqjAj7Zg2JTfp4+lb368/P6r/Nrf8mbJReFTzkprcGCDueTCQAoYT9 opClYR35GvR9LI48UA5BcCgcfkplbMARN42ZlpKI3KPSeOMj1X7/+VYmEEvkYn8vcu7egPhswne B5GYSOsCDjj7jBeve8Q== X-Proofpoint-ORIG-GUID: 8FQIV66u79OGOSgmVbK9zRlVw5kfZc18 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=2026-06-09_02,2026-06-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 suspectscore=0 adultscore=0 spamscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606090097 Unlike the CPU, the CDSP/Modem does not throttle its speed automatically when it reaches high temperatures in kodiak. Set up CDSP cooling by throttling the cdsp when it reaches 100°C and for modem when it reaches to 95°C. Remove inherited mdmss cooling-map nodes for Non Modem kodiak variant. Signed-off-by: Gaurav Kohli --- arch/arm64/boot/dts/qcom/kodiak.dtsi | 127 ++++++++++++++++++++- .../boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts | 17 +++ .../dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts | 17 +++ .../boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts | 17 +++ .../boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi | 18 +++ .../boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi | 16 +++ 6 files changed, 208 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/kodiak.dtsi b/arch/arm64/boot/dts/qcom/kodiak.dtsi index fa540d8c2615..d345add2d8c8 100644 --- a/arch/arm64/boot/dts/qcom/kodiak.dtsi +++ b/arch/arm64/boot/dts/qcom/kodiak.dtsi @@ -3427,6 +3427,9 @@ remoteproc_mpss: remoteproc@4080000 { qcom,smem-states = <&modem_smp2p_out 0>; qcom,smem-state-names = "stop"; + #cooling-cells = <3>; + tmd-names = "pa", "modem"; + status = "disabled"; glink-edge { @@ -4787,6 +4790,9 @@ remoteproc_cdsp: remoteproc@a300000 { qcom,smem-states = <&cdsp_smp2p_out 0>; qcom,smem-state-names = "stop"; + #cooling-cells = <2>; + tmd-names = "cdsp_sw"; + status = "disabled"; glink-edge { @@ -4906,6 +4912,7 @@ compute-cb@14 { }; }; }; + }; usb_1: usb@a600000 { @@ -7716,6 +7723,8 @@ map0 { }; nspss0-thermal { + polling-delay-passive = <200>; + thermal-sensors = <&tsens1 3>; trips { @@ -7725,15 +7734,31 @@ nspss0_alert0: trip-point0 { type = "hot"; }; + nspss0_alert1: trip-point1 { + temperature = <100000>; + hysteresis = <5000>; + type = "passive"; + }; + nspss0_crit: nspss0-crit { temperature = <110000>; hysteresis = <0>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&nspss0_alert1>; + cooling-device = <&remoteproc_cdsp THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + }; + }; }; nspss1-thermal { + polling-delay-passive = <200>; + thermal-sensors = <&tsens1 4>; trips { @@ -7743,12 +7768,26 @@ nspss1_alert0: trip-point0 { type = "hot"; }; + nspss1_alert1: trip-point1 { + temperature = <100000>; + hysteresis = <5000>; + type = "passive"; + }; + nspss1_crit: nspss1-crit { temperature = <110000>; hysteresis = <0>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&nspss1_alert1>; + cooling-device = <&remoteproc_cdsp THERMAL_NO_LIMIT + THERMAL_NO_LIMIT>; + }; + }; }; video-thermal { @@ -7787,7 +7826,9 @@ ddr_crit: ddr-crit { }; }; - mdmss0-thermal { + mdmss0_thermal: mdmss0-thermal { + polling-delay-passive = <200>; + thermal-sensors = <&tsens1 7>; trips { @@ -7797,15 +7838,35 @@ mdmss0_alert0: trip-point0 { type = "hot"; }; + mdmss0_alert1: trip-point1 { + temperature = <95000>; + hysteresis = <2000>; + type = "passive"; + }; + mdmss0_crit: mdmss0-crit { temperature = <110000>; hysteresis = <0>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&mdmss0_alert1>; + cooling-device = <&remoteproc_mpss 0 0 2>; + }; + + map1 { + trip = <&mdmss0_alert1>; + cooling-device = <&remoteproc_mpss 1 0 2>; + }; + }; }; - mdmss1-thermal { + mdmss1_thermal: mdmss1-thermal { + polling-delay-passive = <200>; + thermal-sensors = <&tsens1 8>; trips { @@ -7815,15 +7876,35 @@ mdmss1_alert0: trip-point0 { type = "hot"; }; + mdmss1_alert1: trip-point1 { + temperature = <95000>; + hysteresis = <2000>; + type = "passive"; + }; + mdmss1_crit: mdmss1-crit { temperature = <110000>; hysteresis = <0>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&mdmss1_alert1>; + cooling-device = <&remoteproc_mpss 0 0 2>; + }; + + map1 { + trip = <&mdmss1_alert1>; + cooling-device = <&remoteproc_mpss 1 0 2>; + }; + }; }; - mdmss2-thermal { + mdmss2_thermal: mdmss2-thermal { + polling-delay-passive = <200>; + thermal-sensors = <&tsens1 9>; trips { @@ -7833,15 +7914,35 @@ mdmss2_alert0: trip-point0 { type = "hot"; }; + mdmss2_alert1: trip-point1 { + temperature = <95000>; + hysteresis = <2000>; + type = "passive"; + }; + mdmss2_crit: mdmss2-crit { temperature = <110000>; hysteresis = <0>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&mdmss2_alert1>; + cooling-device = <&remoteproc_mpss 0 0 2>; + }; + + map1 { + trip = <&mdmss2_alert1>; + cooling-device = <&remoteproc_mpss 1 0 2>; + }; + }; }; - mdmss3-thermal { + mdmss3_thermal: mdmss3-thermal { + polling-delay-passive = <200>; + thermal-sensors = <&tsens1 10>; trips { @@ -7851,12 +7952,30 @@ mdmss3_alert0: trip-point0 { type = "hot"; }; + mdmss3_alert1: trip-point1 { + temperature = <95000>; + hysteresis = <2000>; + type = "passive"; + }; + mdmss3_crit: mdmss3-crit { temperature = <110000>; hysteresis = <0>; type = "critical"; }; }; + + cooling-maps { + map0 { + trip = <&mdmss3_alert1>; + cooling-device = <&remoteproc_mpss 0 0 2>; + }; + + map1 { + trip = <&mdmss3_alert1>; + cooling-device = <&remoteproc_mpss 1 0 2>; + }; + }; }; camera0-thermal { diff --git a/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts b/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts index bb5a42b038f1..400d128132fc 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts @@ -24,6 +24,23 @@ /delete-node/ &adsp_mem; /delete-node/ &cdsp_mem; /delete-node/ &ipa_fw_mem; + +&mdmss0_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss1_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss2_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss3_thermal { + /delete-node/ cooling-maps; +}; + /delete-node/ &mpss_mem; /delete-node/ &remoteproc_mpss; /delete-node/ &remoteproc_wpss; diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts index a5ad796cb65d..1e190ed18ae5 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-minipc-g1iot.dts @@ -22,6 +22,23 @@ /delete-node/ &cdsp_mem; /delete-node/ &ipa_fw_mem; /delete-node/ &mpss_mem; + +&mdmss0_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss1_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss2_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss3_thermal { + /delete-node/ cooling-maps; +}; + /delete-node/ &remoteproc_mpss; /delete-node/ &remoteproc_wpss; /delete-node/ &rmtfs_mem; diff --git a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts index f47efca42d48..8e8dd4efd8c0 100644 --- a/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts +++ b/arch/arm64/boot/dts/qcom/qcs6490-thundercomm-rubikpi3.dts @@ -23,6 +23,23 @@ /delete-node/ &adsp_mem; /delete-node/ &cdsp_mem; /delete-node/ &ipa_fw_mem; + +&mdmss0_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss1_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss2_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss3_thermal { + /delete-node/ cooling-maps; +}; + /delete-node/ &mpss_mem; /delete-node/ &remoteproc_mpss; /delete-node/ &remoteproc_wpss; diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi index b721a8546800..e2c0a317ecb8 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi @@ -26,8 +26,26 @@ &ipa { status = "okay"; }; +&mdmss0_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss1_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss2_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss3_thermal { + /delete-node/ cooling-maps; +}; + &remoteproc_mpss { compatible = "qcom,sc7280-mss-pil"; + /delete-property/ tmd-names; + /delete-property/ #cooling-cells; reg = <0 0x04080000 0 0x10000>, <0 0x04180000 0 0x48>; reg-names = "qdsp6", "rmb"; diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi index 3ebc915f0dc2..6642076f62c4 100644 --- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-wifi-sku.dtsi @@ -7,6 +7,22 @@ /* WIFI SKUs save 256M by not having modem/mba/rmtfs memory regions defined. */ +&mdmss0_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss1_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss2_thermal { + /delete-node/ cooling-maps; +}; + +&mdmss3_thermal { + /delete-node/ cooling-maps; +}; + /delete-node/ &mpss_mem; /delete-node/ &remoteproc_mpss; /delete-node/ &rmtfs_mem; -- 2.34.1