linux-kernel - [PATCH 3/3] arm64: dts: ti: k3-j7200-thermal: Add cooling maps and cpu

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Date:   Wed, 9 Aug 2023 23:09:05 +0530
From:   Apurva Nandan <a-nandan@...com>
To:     Apurva Nandan <a-nandan@...com>, Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Rafael J Wysocki <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, Udit Kumar <u-kumar1@...com>,
        Keerthy J <j-keerthy@...com>
Subject: [PATCH 3/3] arm64: dts: ti: k3-j7200-thermal: Add cooling maps and cpu_alert trip at 75C

From: Keerthy <j-keerthy@...com>

Add cooling maps and mpu_alert trip at 75C

Note: mpu_alert trip value should adjusted based on the system load and
performance needs.

Signed-off-by: Keerthy <j-keerthy@...com>
Signed-off-by: Apurva Nandan <a-nandan@...com>
---
 arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi
index e7e3a643a6f0..eeb596727d48 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-thermal.dtsi
@@ -28,6 +28,20 @@ mpu_crit: mpu-crit {
 				hysteresis = <2000>; /* milliCelsius */
 				type = "critical";
 			};
+
+			mpu_alert0: mpu_alert {
+				temperature = <75000>; /* millicelsius */
+				hysteresis = <5000>; /* millicelsius */
+				type = "passive";
+			};
+		};
+
+		cpu_cooling_maps: cooling-maps {
+			map0 {
+				trip = <&mpu_alert0>;
+				cooling-device =
+				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			};
 		};
 	};
 
-- 
2.34.1