diff options
Diffstat (limited to 'arch/arm/boot/dts/marvell/mvebu-linkstation-fan.dtsi')
-rw-r--r-- | arch/arm/boot/dts/marvell/mvebu-linkstation-fan.dtsi | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/marvell/mvebu-linkstation-fan.dtsi b/arch/arm/boot/dts/marvell/mvebu-linkstation-fan.dtsi new file mode 100644 index 0000000000..e172029a0c --- /dev/null +++ b/arch/arm/boot/dts/marvell/mvebu-linkstation-fan.dtsi @@ -0,0 +1,72 @@ +/* + * Device Tree common file for gpio-fan on Buffalo Linkstation + * + * Copyright (C) 2015, 2016 + * Roger Shimizu <rogershimizu@gmail.com> + * + * This file is dual-licensed: you can use it either under the terms + * of the GPL or the X11 license, at your option. Note that this dual + * licensing only applies to this file, and not this project as a + * whole. + * + * a) This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Or, alternatively, + * + * b) Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +/ { + gpio_fan { + compatible = "gpio-fan"; + pinctrl-0 = <&pmx_fan_low &pmx_fan_high &pmx_fan_lock>; + pinctrl-names = "default"; + + gpio-fan,speed-map = + <0 3 + 1500 2 + 3250 1 + 5000 0>; + }; +}; + +&pinctrl { + pmx_fan_low: pmx-fan-low { + marvell,function = "gpio"; + }; + + pmx_fan_high: pmx-fan-high { + marvell,function = "gpio"; + }; + + pmx_fan_lock: pmx-fan-lock { + marvell,function = "gpio"; + }; +}; |