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 "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/ { 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}; 73