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1 | /* |
2 | * Device Tree Source for RK3288 SoC thermal | |
3 | * | |
4 | * Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd | |
5 | * | |
824973bf HS |
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. | |
9774d96b CW |
43 | */ |
44 | ||
45 | #include <dt-bindings/thermal/thermal.h> | |
46 | ||
47 | reserve_thermal: reserve_thermal { | |
48 | polling-delay-passive = <1000>; /* milliseconds */ | |
49 | polling-delay = <5000>; /* milliseconds */ | |
50 | ||
51 | thermal-sensors = <&tsadc 0>; | |
52 | }; | |
53 | ||
54 | cpu_thermal: cpu_thermal { | |
55 | polling-delay-passive = <1000>; /* 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_crit: cpu_crit { | |
67 | temperature = <90000>; /* millicelsius */ | |
68 | hysteresis = <2000>; /* millicelsius */ | |
69 | type = "critical"; | |
70 | }; | |
71 | }; | |
72 | ||
73 | cooling-maps { | |
74 | map0 { | |
75 | trip = <&cpu_alert0>; | |
76 | cooling-device = | |
77 | <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; | |
78 | }; | |
79 | }; | |
80 | }; | |
81 | ||
82 | gpu_thermal: gpu_thermal { | |
83 | polling-delay-passive = <1000>; /* milliseconds */ | |
84 | polling-delay = <5000>; /* milliseconds */ | |
85 | ||
86 | thermal-sensors = <&tsadc 2>; | |
87 | ||
88 | trips { | |
89 | gpu_alert0: gpu_alert0 { | |
90 | temperature = <70000>; /* millicelsius */ | |
91 | hysteresis = <2000>; /* millicelsius */ | |
92 | type = "passive"; | |
93 | }; | |
94 | gpu_crit: gpu_crit { | |
95 | temperature = <90000>; /* millicelsius */ | |
96 | hysteresis = <2000>; /* millicelsius */ | |
97 | type = "critical"; | |
98 | }; | |
99 | }; | |
100 | ||
101 | cooling-maps { | |
102 | map0 { | |
103 | trip = <&gpu_alert0>; | |
104 | cooling-device = | |
105 | <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; | |
106 | }; | |
107 | }; | |
108 | }; |