kernel/arch/arm/boot/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  * This file is licensed under the terms of the GNU General Public License
   7  * version 2.  This program is licensed "as is" without any warranty of any
   8  * kind, whether express or implied.
   9  */
  10
  11 #include <dt-bindings/thermal/thermal.h>
  12
  13 reserve_thermal: reserve_thermal {
  14         polling-delay-passive = <1000>; /* milliseconds */
  15         polling-delay = <5000>; /* milliseconds */
  16
  17         thermal-sensors = <&tsadc 0>;
  18 };
  19
  20 cpu_thermal: cpu_thermal {
  21         polling-delay-passive = <1000>; /* milliseconds */
  22         polling-delay = <5000>; /* milliseconds */
  23
  24         thermal-sensors = <&tsadc 1>;
  25
  26         trips {
  27                 cpu_alert0: cpu_alert0 {
  28                         temperature = <70000>; /* millicelsius */
  29                         hysteresis = <2000>; /* millicelsius */
  30                         type = "passive";
  31                 };
  32                 cpu_crit: cpu_crit {
  33                         temperature = <90000>; /* millicelsius */
  34                         hysteresis = <2000>; /* millicelsius */
  35                         type = "critical";
  36                 };
  37         };
  38
  39         cooling-maps {
  40                 map0 {
  41                         trip = <&cpu_alert0>;
  42                         cooling-device =
  43                                 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
  44                 };
  45         };
  46 };
  47
  48 gpu_thermal: gpu_thermal {
  49         polling-delay-passive = <1000>; /* milliseconds */
  50         polling-delay = <5000>; /* milliseconds */
  51
  52         thermal-sensors = <&tsadc 2>;
  53
  54         trips {
  55                 gpu_alert0: gpu_alert0 {
  56                         temperature = <70000>; /* millicelsius */
  57                         hysteresis = <2000>; /* millicelsius */
  58                         type = "passive";
  59                 };
  60                 gpu_crit: gpu_crit {
  61                         temperature = <90000>; /* millicelsius */
  62                         hysteresis = <2000>; /* millicelsius */
  63                         type = "critical";
  64                 };
  65         };
  66
  67         cooling-maps {
  68                 map0 {
  69                         trip = <&gpu_alert0>;
  70                         cooling-device =
  71                                 <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
  72                 };
  73         };
  74 };