arch/arm/boot/dts/omap3-cpu-thermal.dtsi

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Device Tree Source for OMAP3 SoC CPU thermal
   4  *
   5  * Copyright (C) 2017 Texas Instruments Incorporated - https://www.ti.com/
   6  */
   7
   8 #include <dt-bindings/thermal/thermal.h>
   9
  10 cpu_thermal: cpu-thermal {
  11         polling-delay-passive = <250>; /* milliseconds */
  12         polling-delay = <1000>; /* milliseconds */
  13         coefficients = <0 20000>;
  14
  15         thermal-sensors = <&bandgap>;
  16
  17         cpu_trips: trips {
  18                 cpu_alert0: cpu_alert {
  19                         temperature = <80000>; /* millicelsius */
  20                         hysteresis = <2000>; /* millicelsius */
  21                         type = "passive";
  22                 };
  23                 cpu_crit: cpu_crit {
  24                         temperature = <90000>; /* millicelsius */
  25                         hysteresis = <2000>; /* millicelsius */
  26                         type = "critical";
  27                 };
  28         };
  29
  30         cpu_cooling_maps: cooling-maps {
  31                 map0 {
  32                         trip = <&cpu_alert0>;
  33                         cooling-device =
  34                                 <&cpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
  35                 };
  36         };
  37 };