1/*
  2 * Device Tree Source for RK3288 SoC thermal
  3 *
  4 * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
  5 *
  6 * This file is dual-licensed: you can use it either under the terms
  7 * of the GPL or the X11 license, at your option. Note that this dual
  8 * licensing only applies to this file, and not this project as a
  9 * whole.
 10 *
 11 *  a) This file is free software; you can redistribute it and/or
 12 *     modify it under the terms of the GNU General Public License as
 13 *     published by the Free Software Foundation; either version 2 of the
 14 *     License, or (at your option) any later version.
 15 *
 16 *     This file is distributed in the hope that it will be useful,
 17 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 18 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 19 *     GNU General Public License for more details.
 20 *
 21 * Or, alternatively,
 22 *
 23 *  b) Permission is hereby granted, free of charge, to any person
 24 *     obtaining a copy of this software and associated documentation
 25 *     files (the "Software"), to deal in the Software without
 26 *     restriction, including without limitation the rights to use,
 27 *     copy, modify, merge, publish, distribute, sublicense, and/or
 28 *     sell copies of the Software, and to permit persons to whom the
 29 *     Software is furnished to do so, subject to the following
 30 *     conditions:
 31 *
 32 *     The above copyright notice and this permission notice shall be
 33 *     included in all copies or substantial portions of the Software.
 34 *
 35 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 36 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 37 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 38 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 39 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 40 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 41 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 42 *     OTHER DEALINGS IN THE SOFTWARE.
 43 */
 44
 45#include <dt-bindings/thermal/thermal.h>
 46
 47reserve_thermal: reserve_thermal {
 48	polling-delay-passive = <1000>; /* milliseconds */
 49	polling-delay = <5000>; /* milliseconds */
 50
 51	thermal-sensors = <&tsadc 0>;
 52};
 53
 54cpu_thermal: cpu_thermal {
 55	polling-delay-passive = <100>; /* milliseconds */
 56	polling-delay = <5000>; /* milliseconds */
 57
 58	thermal-sensors = <&tsadc 1>;
 59
 60	trips {
 61		cpu_alert0: cpu_alert0 {
 62			temperature = <70000>; /* millicelsius */
 63			hysteresis = <2000>; /* millicelsius */
 64			type = "passive";
 65		};
 66		cpu_alert1: cpu_alert1 {
 67			temperature = <75000>; /* millicelsius */
 68			hysteresis = <2000>; /* millicelsius */
 69			type = "passive";
 70		};
 71		cpu_crit: cpu_crit {
 72			temperature = <90000>; /* millicelsius */
 73			hysteresis = <2000>; /* millicelsius */
 74			type = "critical";
 75		};
 76	};
 77
 78	cooling-maps {
 79		map0 {
 80			trip = <&cpu_alert0>;
 81			cooling-device =
 82				<&cpu0 THERMAL_NO_LIMIT 6>;
 83		};
 84		map1 {
 85			trip = <&cpu_alert1>;
 86			cooling-device =
 87				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 88		};
 89	};
 90};
 91
 92gpu_thermal: gpu_thermal {
 93	polling-delay-passive = <100>; /* milliseconds */
 94	polling-delay = <5000>; /* milliseconds */
 95
 96	thermal-sensors = <&tsadc 2>;
 97
 98	trips {
 99		gpu_alert0: gpu_alert0 {
100			temperature = <70000>; /* millicelsius */
101			hysteresis = <2000>; /* millicelsius */
102			type = "passive";
103		};
104		gpu_crit: gpu_crit {
105			temperature = <90000>; /* millicelsius */
106			hysteresis = <2000>; /* millicelsius */
107			type = "critical";
108		};
109	};
110
111	cooling-maps {
112		map0 {
113			trip = <&gpu_alert0>;
114			cooling-device =
115				<&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
116		};
117	};
118};