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305e0b2a RS |
1 | /* |
2 | * Device Tree common file for gpio-fan on Buffalo Linkstation | |
3 | * | |
4 | * Copyright (C) 2015, 2016 | |
5 | * Roger Shimizu <rogershimizu@gmail.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 , 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 | / { | |
47 | gpio_fan { | |
48 | compatible = "gpio-fan"; | |
49 | pinctrl-0 = <&pmx_fan_low &pmx_fan_high &pmx_fan_lock>; | |
50 | pinctrl-names = "default"; | |
51 | ||
52 | gpio-fan,speed-map = | |
53 | <0 3 | |
54 | 1500 2 | |
55 | 3250 1 | |
56 | 5000 0>; | |
57 | }; | |
58 | }; | |
59 | ||
60 | &pinctrl { | |
61 | pmx_fan_low: pmx-fan-low { | |
62 | marvell,function = "gpio"; | |
63 | }; | |
64 | ||
65 | pmx_fan_high: pmx-fan-high { | |
66 | marvell,function = "gpio"; | |
67 | }; | |
68 | ||
69 | pmx_fan_lock: pmx-fan-lock { | |
70 | marvell,function = "gpio"; | |
71 | }; | |
72 | }; |