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-rw-r--r--arch/arm/boot/dts/omap3-cpu-thermal.dtsi37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap3-cpu-thermal.dtsi b/arch/arm/boot/dts/omap3-cpu-thermal.dtsi
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+++ b/arch/arm/boot/dts/omap3-cpu-thermal.dtsi
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+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Device Tree Source for OMAP3 SoC CPU thermal
+ *
+ * Copyright (C) 2017 Texas Instruments Incorporated - https://www.ti.com/
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+cpu_thermal: cpu-thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+ coefficients = <0 20000>;
+
+ thermal-sensors = <&bandgap>;
+
+ cpu_trips: trips {
+ cpu_alert0: cpu_alert {
+ temperature = <80000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "passive";
+ };
+ cpu_crit: cpu_crit {
+ temperature = <90000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+
+ cpu_cooling_maps: cooling-maps {
+ map0 {
+ trip = <&cpu_alert0>;
+ cooling-device =
+ <&cpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+};