[PATCH v3 3/4] arm64: dts: mt7986: add thermal-zones

Frank Wunderlich linux at fw-web.de
Tue May 30 13:12:34 PDT 2023


From: Daniel Golle <daniel at makrotopia.org>

Add thermal-zones to mt7986 devicetree.

Signed-off-by: Daniel Golle <daniel at makrotopia.org>
Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
changes in v2:
- drop top 2 thermal trips as suggested by matthias
---
 arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 28 +++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index ad4fd77b65a7..68539ea788df 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -602,4 +602,32 @@ wifi: wifi at 18000000 {
 			memory-region = <&wmcpu_emi>;
 		};
 	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+			thermal-sensors = <&thermal 0>;
+
+			trips {
+				cpu_trip_active_high: active-high {
+					temperature = <115000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+
+				cpu_trip_active_low: active-low {
+					temperature = <85000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+
+				cpu_trip_passive: passive {
+					temperature = <40000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+			};
+		};
+	};
 };
-- 
2.34.1




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