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Message-Id: <20260127155722.2797783-6-gaurav.kohli@oss.qualcomm.com>
Date: Tue, 27 Jan 2026 21:27:19 +0530
From: Gaurav Kohli <gaurav.kohli@....qualcomm.com>
To: andersson@...nel.org, mathieu.poirier@...aro.org, robh@...nel.org,
krzk+dt@...nel.org, conor+dt@...nel.org, rui.zhang@...el.com,
lukasz.luba@....com, konradybcio@...nel.org, mani@...nel.org,
casey.connolly@...aro.org, amit.kucheria@....qualcomm.com
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
gaurav.kohli@....qualcomm.com, manaf.pallikunhi@....qualcomm.com
Subject: [PATCH v2 5/8] arm64: dts: qcom: lemans: Enable CDSP cooling
Unlike the CPU, the CDSP does not throttle its speed automatically
when it reaches high temperatures in Lemans.
Set up CDSP cooling by throttling the cdsp when it reaches 105°C.
Signed-off-by: Gaurav Kohli <gaurav.kohli@....qualcomm.com>
---
arch/arm64/boot/dts/qcom/lemans.dtsi | 138 ++++++++++++++++++++++++---
1 file changed, 126 insertions(+), 12 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
index 808827b83553..c747dd534caa 100644
--- a/arch/arm64/boot/dts/qcom/lemans.dtsi
+++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
@@ -7281,6 +7281,15 @@ compute-cb@11 {
};
};
};
+
+ cooling {
+ compatible = "qcom,qmi-cooling-cdsp";
+
+ cdsp_tmd0: cdsp-tmd0 {
+ label = "cdsp_sw";
+ #cooling-cells = <2>;
+ };
+ };
};
nspb_noc: interconnect@...c0000 {
@@ -7444,6 +7453,15 @@ compute-cb@13 {
};
};
};
+
+ cooling {
+ compatible = "qcom,qmi-cooling-cdsp1";
+
+ cdsp_tmd1: cdsp-tmd1 {
+ label = "cdsp_sw";
+ #cooling-cells = <2>;
+ };
+ };
};
remoteproc_adsp: remoteproc@...00000 {
@@ -8168,7 +8186,7 @@ nsp-0-0-0-thermal {
thermal-sensors = <&tsens2 5>;
trips {
- trip-point0 {
+ nsp_0_0_0_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8180,6 +8198,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_0_0_0_alert0>;
+ cooling-device = <&cdsp_tmd0
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-0-1-0-thermal {
@@ -8188,7 +8214,7 @@ nsp-0-1-0-thermal {
thermal-sensors = <&tsens2 6>;
trips {
- trip-point0 {
+ nsp_0_1_0_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8200,6 +8226,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_0_1_0_alert0>;
+ cooling-device = <&cdsp_tmd0
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-0-2-0-thermal {
@@ -8208,7 +8242,7 @@ nsp-0-2-0-thermal {
thermal-sensors = <&tsens2 7>;
trips {
- trip-point0 {
+ nsp_0_2_0_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8220,6 +8254,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_0_2_0_alert0>;
+ cooling-device = <&cdsp_tmd0
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-1-0-0-thermal {
@@ -8228,7 +8270,7 @@ nsp-1-0-0-thermal {
thermal-sensors = <&tsens2 8>;
trips {
- trip-point0 {
+ nsp_1_0_0_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8240,6 +8282,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_1_0_0_alert0>;
+ cooling-device = <&cdsp_tmd1
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-1-1-0-thermal {
@@ -8248,7 +8298,7 @@ nsp-1-1-0-thermal {
thermal-sensors = <&tsens2 9>;
trips {
- trip-point0 {
+ nsp_1_1_0_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8260,6 +8310,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_1_1_0_alert0>;
+ cooling-device = <&cdsp_tmd1
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-1-2-0-thermal {
@@ -8268,7 +8326,7 @@ nsp-1-2-0-thermal {
thermal-sensors = <&tsens2 10>;
trips {
- trip-point0 {
+ nsp_1_2_0_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8280,6 +8338,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_1_2_0_alert0>;
+ cooling-device = <&cdsp_tmd1
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
ddrss-0-thermal {
@@ -8422,7 +8488,7 @@ nsp-0-0-1-thermal {
thermal-sensors = <&tsens3 5>;
trips {
- trip-point0 {
+ nsp_0_0_1_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8434,6 +8500,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_0_0_1_alert0>;
+ cooling-device = <&cdsp_tmd0
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-0-1-1-thermal {
@@ -8442,7 +8516,7 @@ nsp-0-1-1-thermal {
thermal-sensors = <&tsens3 6>;
trips {
- trip-point0 {
+ nsp_0_1_1_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8454,6 +8528,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_0_1_1_alert0>;
+ cooling-device = <&cdsp_tmd0
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-0-2-1-thermal {
@@ -8462,7 +8544,7 @@ nsp-0-2-1-thermal {
thermal-sensors = <&tsens3 7>;
trips {
- trip-point0 {
+ nsp_0_2_1_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8474,6 +8556,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_0_2_1_alert0>;
+ cooling-device = <&cdsp_tmd0
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-1-0-1-thermal {
@@ -8482,7 +8572,7 @@ nsp-1-0-1-thermal {
thermal-sensors = <&tsens3 8>;
trips {
- trip-point0 {
+ nsp_1_0_1_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8494,6 +8584,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_1_0_1_alert0>;
+ cooling-device = <&cdsp_tmd1
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-1-1-1-thermal {
@@ -8502,7 +8600,7 @@ nsp-1-1-1-thermal {
thermal-sensors = <&tsens3 9>;
trips {
- trip-point0 {
+ nsp_1_1_1_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8514,6 +8612,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_1_1_1_alert0>;
+ cooling-device = <&cdsp_tmd1
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
nsp-1-2-1-thermal {
@@ -8522,7 +8628,7 @@ nsp-1-2-1-thermal {
thermal-sensors = <&tsens3 10>;
trips {
- trip-point0 {
+ nsp_1_2_1_alert0: trip-point0 {
temperature = <105000>;
hysteresis = <5000>;
type = "passive";
@@ -8534,6 +8640,14 @@ trip-point1 {
type = "passive";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&nsp_1_2_1_alert0>;
+ cooling-device = <&cdsp_tmd1
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
ddrss-1-thermal {
--
2.34.1
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