[PATCH v2 6/8] arm64: dts: qcom: talos: Enable CDSP cooling
From: Gaurav Kohli
Date: Tue Jan 27 2026 - 11:06:44 EST
Unlike the CPU, the CDSP does not throttle its speed automatically when it
reaches high temperatures in Talos.
Set up CDSP cooling by throttling the CDSP when it reaches 105°C.
Signed-off-by: Gaurav Kohli <gaurav.kohli@xxxxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/talos.dtsi | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/talos.dtsi b/arch/arm64/boot/dts/qcom/talos.dtsi
index 75716b4a58d6..4091afd0b6e3 100644
--- a/arch/arm64/boot/dts/qcom/talos.dtsi
+++ b/arch/arm64/boot/dts/qcom/talos.dtsi
@@ -19,6 +19,7 @@
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/power/qcom,rpmhpd.h>
#include <dt-bindings/soc/qcom,rpmh-rsc.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
interrupt-parent = <&intc>;
@@ -3554,6 +3555,15 @@ compute-cb@6 {
};
};
};
+
+ cooling {
+ compatible = "qcom,qmi-cooling-cdsp";
+
+ cdsp_tmd0: cdsp-tmd0 {
+ label = "cdsp_sw";
+ #cooling-cells = <2>;
+ };
+ };
};
pmu@90b6300 {
@@ -4845,12 +4855,26 @@ q6-hvx-thermal {
thermal-sensors = <&tsens0 10>;
trips {
+ q6_hvx_alert0: trip-point0 {
+ temperature = <105000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+
q6-hvx-critical {
temperature = <115000>;
hysteresis = <1000>;
type = "critical";
};
};
+
+ cooling-maps {
+ map0 {
+ trip = <&q6_hvx_alert0>;
+ cooling-device = <&cdsp_tmd0
+ THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
};
mdm-core-thermal {
--
2.34.1