From: Ronald Claveau via B4 Relay <devnull+linux-kernel-dev.aliel.fr@kernel.org>
To: Guillaume La Roque <glaroque@baylibre.com>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Daniel Lezcano <daniel.lezcano@kernel.org>,
Zhang Rui <rui.zhang@intel.com>,
Lukasz Luba <lukasz.luba@arm.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: linux-pm@vger.kernel.org, linux-amlogic@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Ronald Claveau <linux-kernel-dev@aliel.fr>
Subject: [PATCH v5 7/8] arm64: dts: amlogic: t7: Add thermal zones
Date: Fri, 24 Apr 2026 17:45:15 +0200 [thread overview]
Message-ID: <20260424-add-thermal-t7-vim4-v5-7-9040ca36afe2@aliel.fr> (raw)
In-Reply-To: <20260424-add-thermal-t7-vim4-v5-0-9040ca36afe2@aliel.fr>
From: Ronald Claveau <linux-kernel-dev@aliel.fr>
Add thermal zones for all six sensors: a53, a73, gpu, nna, vpu, and hevc.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Ronald Claveau <linux-kernel-dev@aliel.fr>
---
arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 179 ++++++++++++++++++++++++++++
1 file changed, 179 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
index 62f259b2b17d2..c6ea0f20a879f 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
@@ -9,6 +9,7 @@
#include <dt-bindings/clock/amlogic,t7-scmi.h>
#include <dt-bindings/clock/amlogic,t7-pll-clkc.h>
#include <dt-bindings/clock/amlogic,t7-peripherals-clkc.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
interrupt-parent = <&gic>;
@@ -829,6 +830,184 @@ hevc_tsensor: temperature-sensor@9a000 {
amlogic,secure-monitor = <&sm 5>;
};
};
+ };
+
+ thermal-zones {
+ a53_thermal: a53-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <100>;
+ thermal-sensors = <&a53_tsensor>;
+
+ trips {
+ a53_passive: a53-passive {
+ temperature = <85000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+
+ a53_hot: a53-hot {
+ temperature = <95000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "hot";
+ };
+
+ a53_critical: a53-critical {
+ temperature = <110000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map-a53 {
+ trip = <&a53_passive>;
+ cooling-device =
+ <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ a73_thermal: a73-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <100>;
+ thermal-sensors = <&a73_tsensor>;
+
+ trips {
+ a73_passive: a73-passive {
+ temperature = <85000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+
+ a73_hot: a73-hot {
+ temperature = <95000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "hot";
+ };
+
+ a73_critical: a73-critical {
+ temperature = <110000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map-a73 {
+ trip = <&a73_passive>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+
+ gpu_thermal: gpu-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <100>;
+ thermal-sensors = <&gpu_tsensor>;
+
+ trips {
+ gpu_passive: gpu-passive {
+ temperature = <95000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+
+ gpu_hot: gpu-hot {
+ temperature = <105000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+ gpu_critical: gpu-critical {
+ temperature = <115000>;
+ hysteresis = <1000>;
+ type = "critical";
+ };
+ };
+ };
+
+ hevc_thermal: hevc-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <100>;
+ thermal-sensors = <&hevc_tsensor>;
+
+ trips {
+ hevc_passive: hevc-passive {
+ temperature = <95000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+
+ hevc_hot: hevc-hot {
+ temperature = <105000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+
+ hevc_critical: hevc-critical {
+ temperature = <115000>;
+ hysteresis = <1000>;
+ type = "critical";
+ };
+ };
+ };
+
+ nna_thermal: nna-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <100>;
+ thermal-sensors = <&nna_tsensor>;
+
+ trips {
+ nna_passive: nna-passive {
+ temperature = <95000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+
+ nna_hot: nna-hot {
+ temperature = <105000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+
+ nna_critical: nna-critical {
+ temperature = <115000>;
+ hysteresis = <1000>;
+ type = "critical";
+ };
+ };
+ };
+
+ vpu_thermal: vpu-thermal {
+ polling-delay = <1000>;
+ polling-delay-passive = <100>;
+ thermal-sensors = <&vpu_tsensor>;
+
+ trips {
+ vpu_passive: vpu-passive {
+ temperature = <95000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+
+ vpu_hot: vpu-hot {
+ temperature = <105000>;
+ hysteresis = <5000>;
+ type = "passive";
+ };
+
+ vpu_critical: vpu-critical {
+ temperature = <115000>;
+ hysteresis = <1000>;
+ type = "critical";
+ };
+ };
+ };
};
};
--
2.49.0
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next prev parent reply other threads:[~2026-04-24 15:48 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-24 15:45 [PATCH v5 0/8] arm64: amlogic: T7 thermal support Ronald Claveau via B4 Relay
2026-04-24 15:45 ` [PATCH v5 1/8] dt-bindings: thermal: amlogic: Add support for T7 Ronald Claveau via B4 Relay
2026-06-22 10:02 ` Krzysztof Kozlowski
2026-06-22 11:17 ` linux-kernel-dev
2026-04-24 15:45 ` [PATCH v5 2/8] firmware: meson: sm: Thermal calibration read via secure monitor Ronald Claveau via B4 Relay
2026-04-24 15:45 ` [PATCH v5 3/8] firmware: meson: sm: Add thermal calibration SMC call Ronald Claveau via B4 Relay
2026-04-24 15:45 ` [PATCH v5 4/8] thermal: amlogic: Add support for secure monitor calibration readout Ronald Claveau via B4 Relay
2026-05-06 15:45 ` Daniel Lezcano
2026-05-06 15:55 ` Neil Armstrong
2026-04-24 15:45 ` [PATCH v5 5/8] arm64: dts: amlogic: t7: Add cooling cells to all CPUs Ronald Claveau via B4 Relay
2026-04-24 15:45 ` [PATCH v5 6/8] arm64: dts: amlogic: t7: Add thermal sensor nodes Ronald Claveau via B4 Relay
2026-04-24 15:45 ` Ronald Claveau via B4 Relay [this message]
2026-04-24 15:45 ` [PATCH v5 8/8] arm64: dts: amlogic: t7: khadas-vim4: Add fan cooling to thermal zones Ronald Claveau via B4 Relay
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