arch/arm/dts/rk3288-thermal.dtsi

   1 /*
   2  * Device Tree Source for RK3288 SoC thermal
   3  *
   4  * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0
   7  */
   8
   9 #include <dt-bindings/thermal/thermal.h>
  10
  11 reserve_thermal: reserve_thermal {
  12         polling-delay-passive = <1000>; /* milliseconds */
  13         polling-delay = <5000>; /* milliseconds */
  14
  15                         /* sensor       ID */
  16         thermal-sensors = <&tsadc       0>;
  17
  18 };
  19
  20 cpu_thermal: cpu_thermal {
  21         polling-delay-passive = <100>; /* milliseconds */
  22         polling-delay = <5000>; /* milliseconds */
  23
  24                         /* sensor       ID */
  25         thermal-sensors = <&tsadc       1>;
  26         linux,hwmon;
  27
  28         trips {
  29                 cpu_alert0: cpu_alert0 {
  30                         temperature = <70000>; /* millicelsius */
  31                         hysteresis = <2000>; /* millicelsius */
  32                         type = "passive";
  33                 };
  34                 cpu_alert1: cpu_alert1 {
  35                         temperature = <75000>; /* millicelsius */
  36                         hysteresis = <2000>; /* millicelsius */
  37                         type = "passive";
  38                 };
  39                 cpu_crit: cpu_crit {
  40                         temperature = <100000>; /* millicelsius */
  41                         hysteresis = <2000>; /* millicelsius */
  42                         type = "critical";
  43                 };
  44         };
  45
  46         cooling-maps {
  47                 map0 {
  48                         trip = <&cpu_alert0>;
  49                         cooling-device =
  50                                 <&cpu0 THERMAL_NO_LIMIT 6>;
  51                 };
  52                 map1 {
  53                         trip = <&cpu_alert1>;
  54                         cooling-device =
  55                                 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
  56                 };
  57         };
  58 };
  59
  60 gpu_thermal: gpu_thermal {
  61         polling-delay-passive = <100>; /* milliseconds */
  62         polling-delay = <5000>; /* milliseconds */
  63
  64                         /* sensor       ID */
  65         thermal-sensors = <&tsadc       2>;
  66         linux,hwmon;
  67
  68         trips {
  69                 gpu_alert0: gpu_alert0 {
  70                         temperature = <80000>; /* millicelsius */
  71                         hysteresis = <2000>; /* millicelsius */
  72                         type = "passive";
  73                 };
  74                 gpu_crit: gpu_crit {
  75                         temperature = <100000>; /* millicelsius */
  76                         hysteresis = <2000>; /* millicelsius */
  77                         type = "critical";
  78                 };
  79         };
  80
  81         cooling-maps {
  82                 map0 {
  83                         trip = <&gpu_alert0>;
  84                         cooling-device =
  85                                 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
  86                 };
  87         };
  88 };