linux-kernel - [PATCH v3 04/22] arm64: dts: mediatek: mt7988: Add thermal-zone

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Message-ID: <20241217091238.16032-5-linux@fw-web.de>
Date: Tue, 17 Dec 2024 10:12:18 +0100
From: Frank Wunderlich <linux@...web.de>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH v3 04/22] arm64: dts: mediatek: mt7988: Add thermal-zone

From: Frank Wunderlich <frank-w@...lic-files.de>

Add basic thermal-zone node.

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
v2:
- only add critical trip to SoC dtsi, lower trips have to go to board dts
---
 arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
index 32bb04ce21b3..0e75a8692879 100644
--- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi
@@ -355,6 +355,21 @@ clock-controller@...31000 {
 		};
 	};
 
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			polling-delay-passive = <1000>;
+			polling-delay = <1000>;
+			thermal-sensors = <&lvts 0>;
+			trips {
+				cpu_trip_crit: crit {
+					temperature = <125000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupt-parent = <&gic>;
-- 
2.43.0