linux-kernel - [PATCH v1 2/3] arm64: dts: mt7986: change cooling trips

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Message-Id: <20230820153135.42588-3-linux@fw-web.de>
Date:   Sun, 20 Aug 2023 17:31:34 +0200
From:   Frank Wunderlich <linux@...web.de>
To:     linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Daniel Golle <daniel@...rotopia.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v1 2/3] arm64: dts: mt7986: change cooling trips

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

Add Critical and hot trips for emergency system shutdown and limiting
system load.

Change passive trip to active to make sure fan is activated on the
lowest trip.

Fixes: 1f5be05132f3 ("arm64: dts: mt7986: add thermal-zones")
Suggested-by: Daniel Golle <daniel@...rotopia.org>
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
 arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 207510abda89..36d8945400df 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -614,22 +614,34 @@ cpu_thermal: cpu-thermal {
 			thermal-sensors = <&thermal 0>;
 
 			trips {
+				cpu_trip_crit: crit {
+					temperature = <125000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+
+				cpu_trip_hot: hot {
+					temperature = <120000>;
+					hysteresis = <2000>;
+					type = "hot";
+				};
+
 				cpu_trip_active_high: active-high {
 					temperature = <115000>;
 					hysteresis = <2000>;
 					type = "active";
 				};
 
-				cpu_trip_active_low: active-low {
+				cpu_trip_active_med: active-med {
 					temperature = <85000>;
 					hysteresis = <2000>;
 					type = "active";
 				};
 
-				cpu_trip_passive: passive {
-					temperature = <40000>;
+				cpu_trip_active_low: active-low {
+					temperature = <60000>;
 					hysteresis = <2000>;
-					type = "passive";
+					type = "active";
 				};
 			};
 		};
-- 
2.34.1