xref: /linux/arch/arm/boot/dts/marvell/mvebu-linkstation-gpio-simple.dtsi (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
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		pinctrl-0 = <&pmx_power_switch>;
52		pinctrl-names = "default";
53
54		power-on-switch {
55			label = "Power-on Switch";
56			linux,code = <KEY_RESERVED>;
57			linux,input-type = <5>;
58		};
59
60		power-auto-switch {
61			label = "Power-auto Switch";
62			linux,code = <KEY_ESC>;
63			linux,input-type = <5>;
64		};
65	};
66
67	gpio_leds {
68		compatible = "gpio-leds";
69		pinctrl-0 = <&pmx_led_power &pmx_led_alarm &pmx_led_info>;
70		pinctrl-names = "default";
71
72		blue-power-led {
73			label = "linkstation:blue:power";
74			default-state = "keep";
75		};
76
77		red-alarm-led {
78			label = "linkstation:red:alarm";
79		};
80
81		amber-info-led {
82			label = "linkstation:amber:info";
83		};
84	};
85};
86
87&pinctrl {
88	pmx_power_switch: pmx-power-switch {
89		marvell,function = "gpio";
90	};
91
92	pmx_led_power: pmx-leds {
93		marvell,function = "gpio";
94	};
95
96	pmx_led_alarm: pmx-leds {
97		marvell,function = "gpio";
98	};
99
100	pmx_led_info: pmx-leds {
101		marvell,function = "gpio";
102	};
103};
104