arch/arm/boot/dts/ti/omap/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                         /* sensor       ID */
  16         thermal-sensors = <&bandgap     0>;
  17
  18         cpu_trips: trips {
  19                 cpu_alert0: cpu_alert {
  20                         temperature = <80000>; /* millicelsius */
  21                         hysteresis = <2000>; /* millicelsius */
  22                         type = "passive";
  23                 };
  24                 cpu_crit: cpu_crit {
  25                         temperature = <90000>; /* millicelsius */
  26                         hysteresis = <2000>; /* millicelsius */
  27                         type = "critical";
  28                 };
  29         };
  30
  31         cpu_cooling_maps: cooling-maps {
  32                 map0 {
  33                         trip = <&cpu_alert0>;
  34                         cooling-device =
  35                                 <&cpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
  36                 };
  37         };
  38 };