xref: /linux/arch/arm/boot/dts/marvell/mvebu-linkstation-gpio-simple.dtsi (revision ae22a94997b8a03dcb3c922857c203246711f9d4)
1/*
2 * Device Tree common file for gpio-{keys,leds} 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#include <dt-bindings/input/input.h>
47
48/ {
49	gpio_keys {
50		compatible = "gpio-keys";
51		#address-cells = <1>;
52		#size-cells = <0>;
53		pinctrl-0 = <&pmx_power_switch>;
54		pinctrl-names = "default";
55
56		power-on-switch {
57			label = "Power-on Switch";
58			linux,code = <KEY_RESERVED>;
59			linux,input-type = <5>;
60		};
61
62		power-auto-switch {
63			label = "Power-auto Switch";
64			linux,code = <KEY_ESC>;
65			linux,input-type = <5>;
66		};
67	};
68
69	gpio_leds {
70		compatible = "gpio-leds";
71		pinctrl-0 = <&pmx_led_power &pmx_led_alarm &pmx_led_info>;
72		pinctrl-names = "default";
73
74		blue-power-led {
75			label = "linkstation:blue:power";
76			default-state = "keep";
77		};
78
79		red-alarm-led {
80			label = "linkstation:red:alarm";
81		};
82
83		amber-info-led {
84			label = "linkstation:amber:info";
85		};
86	};
87};
88
89&pinctrl {
90	pmx_power_switch: pmx-power-switch {
91		marvell,function = "gpio";
92	};
93
94	pmx_led_power: pmx-leds {
95		marvell,function = "gpio";
96	};
97
98	pmx_led_alarm: pmx-leds {
99		marvell,function = "gpio";
100	};
101
102	pmx_led_info: pmx-leds {
103		marvell,function = "gpio";
104	};
105};
106