xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/mvebu-linkstation-gpio-simple.dtsi (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun/*
2*4882a593Smuzhiyun * Device Tree common file for gpio-{keys,leds} on Buffalo Linkstation
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright (C) 2015, 2016
5*4882a593Smuzhiyun * Roger Shimizu <rogershimizu@gmail.com>
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * This file is dual-licensed: you can use it either under the terms
8*4882a593Smuzhiyun * of the GPL or the X11 license, at your option. Note that this dual
9*4882a593Smuzhiyun * licensing only applies to this file, and not this project as a
10*4882a593Smuzhiyun * whole.
11*4882a593Smuzhiyun *
12*4882a593Smuzhiyun *  a) This file is free software; you can redistribute it and/or
13*4882a593Smuzhiyun *     modify it under the terms of the GNU General Public License as
14*4882a593Smuzhiyun *     published by the Free Software Foundation; either version 2 of the
15*4882a593Smuzhiyun *     License, or (at your option) any later version.
16*4882a593Smuzhiyun *
17*4882a593Smuzhiyun *     This file is distributed in the hope that it will be useful,
18*4882a593Smuzhiyun *     but WITHOUT ANY WARRANTY; without even the implied warranty of
19*4882a593Smuzhiyun *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20*4882a593Smuzhiyun *     GNU General Public License for more details.
21*4882a593Smuzhiyun *
22*4882a593Smuzhiyun * Or, alternatively,
23*4882a593Smuzhiyun *
24*4882a593Smuzhiyun *  b) Permission is hereby granted, free of charge, to any person
25*4882a593Smuzhiyun *     obtaining a copy of this software and associated documentation
26*4882a593Smuzhiyun *     files (the "Software"), to deal in the Software without
27*4882a593Smuzhiyun *     restriction, including without limitation the rights to use,
28*4882a593Smuzhiyun *     copy, modify, merge, publish, distribute, sublicense, and/or
29*4882a593Smuzhiyun *     sell copies of the Software, and to permit persons to whom the
30*4882a593Smuzhiyun *     Software is furnished to do so, subject to the following
31*4882a593Smuzhiyun *     conditions:
32*4882a593Smuzhiyun *
33*4882a593Smuzhiyun *     The above copyright notice and this permission notice shall be
34*4882a593Smuzhiyun *     included in all copies or substantial portions of the Software.
35*4882a593Smuzhiyun *
36*4882a593Smuzhiyun *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
37*4882a593Smuzhiyun *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
38*4882a593Smuzhiyun *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
39*4882a593Smuzhiyun *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
40*4882a593Smuzhiyun *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
41*4882a593Smuzhiyun *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
42*4882a593Smuzhiyun *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
43*4882a593Smuzhiyun *     OTHER DEALINGS IN THE SOFTWARE.
44*4882a593Smuzhiyun */
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun#include <dt-bindings/input/input.h>
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun/ {
49*4882a593Smuzhiyun	gpio_keys {
50*4882a593Smuzhiyun		compatible = "gpio-keys";
51*4882a593Smuzhiyun		#address-cells = <1>;
52*4882a593Smuzhiyun		#size-cells = <0>;
53*4882a593Smuzhiyun		pinctrl-0 = <&pmx_power_switch>;
54*4882a593Smuzhiyun		pinctrl-names = "default";
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun		power-on-switch {
57*4882a593Smuzhiyun			label = "Power-on Switch";
58*4882a593Smuzhiyun			linux,code = <KEY_RESERVED>;
59*4882a593Smuzhiyun			linux,input-type = <5>;
60*4882a593Smuzhiyun		};
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun		power-auto-switch {
63*4882a593Smuzhiyun			label = "Power-auto Switch";
64*4882a593Smuzhiyun			linux,code = <KEY_ESC>;
65*4882a593Smuzhiyun			linux,input-type = <5>;
66*4882a593Smuzhiyun		};
67*4882a593Smuzhiyun	};
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun	gpio_leds {
70*4882a593Smuzhiyun		compatible = "gpio-leds";
71*4882a593Smuzhiyun		pinctrl-0 = <&pmx_led_power &pmx_led_alarm &pmx_led_info>;
72*4882a593Smuzhiyun		pinctrl-names = "default";
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun		blue-power-led {
75*4882a593Smuzhiyun			label = "linkstation:blue:power";
76*4882a593Smuzhiyun			default-state = "keep";
77*4882a593Smuzhiyun		};
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun		red-alarm-led {
80*4882a593Smuzhiyun			label = "linkstation:red:alarm";
81*4882a593Smuzhiyun		};
82*4882a593Smuzhiyun
83*4882a593Smuzhiyun		amber-info-led {
84*4882a593Smuzhiyun			label = "linkstation:amber:info";
85*4882a593Smuzhiyun		};
86*4882a593Smuzhiyun	};
87*4882a593Smuzhiyun};
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun&pinctrl {
90*4882a593Smuzhiyun	pmx_power_switch: pmx-power-switch {
91*4882a593Smuzhiyun		marvell,function = "gpio";
92*4882a593Smuzhiyun	};
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun	pmx_led_power: pmx-leds {
95*4882a593Smuzhiyun		marvell,function = "gpio";
96*4882a593Smuzhiyun	};
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun	pmx_led_alarm: pmx-leds {
99*4882a593Smuzhiyun		marvell,function = "gpio";
100*4882a593Smuzhiyun	};
101*4882a593Smuzhiyun
102*4882a593Smuzhiyun	pmx_led_info: pmx-leds {
103*4882a593Smuzhiyun		marvell,function = "gpio";
104*4882a593Smuzhiyun	};
105*4882a593Smuzhiyun};
106