1/*
  2 * Device Tree Source for RK3368 SoC thermal
  3 *
  4 * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd
  5 * Caesar Wang <wxt@rock-chips.com>
  6 *
  7 * This file is dual-licensed: you can use it either under the terms
  8 * of the GPL or the X11 license, at your option. Note that this dual
  9 * licensing only applies to this file, and not this project as a
 10 * whole.
 11 *
 12 *  a) This file is free software; you can redistribute it and/or
 13 *     modify it under the terms of the GNU General Public License as
 14 *     published by the Free Software Foundation; either version 2 of the
 15 *     License, or (at your option) any later version.
 16 *
 17 *     This file is distributed in the hope that it will be useful,
 18 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 *     GNU General Public License for more details.
 21 *
 22 * Or, alternatively,
 23 *
 24 *  b) Permission is hereby granted, free of charge, to any person
 25 *     obtaining a copy of this software and associated documentation
 26 *     files (the "Software"), to deal in the Software without
 27 *     restriction, including without limitation the rights to use,
 28 *     copy, modify, merge, publish, distribute, sublicense, and/or
 29 *     sell copies of the Software, and to permit persons to whom the
 30 *     Software is furnished to do so, subject to the following
 31 *     conditions:
 32 *
 33 *     The above copyright notice and this permission notice shall be
 34 *     included in all copies or substantial portions of the Software.
 35 *
 36 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 37 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 38 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 39 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 40 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 41 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 42 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 43 *     OTHER DEALINGS IN THE SOFTWARE.
 44 */
 45
 46#include <dt-bindings/thermal/thermal.h>
 47
 48cpu_thermal: cpu_thermal {
 49	polling-delay-passive = <100>; /* milliseconds */
 50	polling-delay = <5000>; /* milliseconds */
 51
 52	thermal-sensors = <&tsadc 0>;
 53
 54	trips {
 55		cpu_alert0: cpu_alert0 {
 56			temperature = <75000>; /* millicelsius */
 57			hysteresis = <2000>; /* millicelsius */
 58			type = "passive";
 59		};
 60		cpu_alert1: cpu_alert1 {
 61			temperature = <80000>; /* millicelsius */
 62			hysteresis = <2000>; /* millicelsius */
 63			type = "passive";
 64		};
 65		cpu_crit: cpu_crit {
 66			temperature = <95000>; /* millicelsius */
 67			hysteresis = <2000>; /* millicelsius */
 68			type = "critical";
 69		};
 70	};
 71
 72	cooling-maps {
 73		map0 {
 74			trip = <&cpu_alert0>;
 75			cooling-device =
 76				<&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 77		};
 78		map1 {
 79			trip = <&cpu_alert1>;
 80			cooling-device =
 81				<&cpu_l0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
 82		};
 83	};
 84};
 85
 86gpu_thermal: gpu_thermal {
 87	polling-delay-passive = <100>; /* milliseconds */
 88	polling-delay = <5000>; /* milliseconds */
 89
 90	thermal-sensors = <&tsadc 1>;
 91
 92	trips {
 93		gpu_alert0: gpu_alert0 {
 94			temperature = <80000>; /* millicelsius */
 95			hysteresis = <2000>; /* millicelsius */
 96			type = "passive";
 97		};
 98		gpu_crit: gpu_crit {
 99			temperature = <1150000>; /* millicelsius */
100			hysteresis = <2000>; /* millicelsius */
101			type = "critical";
102		};
103	};
104
105	cooling-maps {
106		map0 {
107			trip = <&gpu_alert0>;
108			cooling-device =
109				<&cpu_b0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
110		};
111	};
112};