ramips: add support for indicating the boot state using multiple leds
[openwrt/staging/mkresin.git] / target / linux / ramips / dts / U7621-06.dtsi
1 /*
2 * BSD LICENSE
3 *
4 * Copyright(c) 2017 Kristian Evensen <kristian.evensen@gmail.com>.
5 * Copyright(c) 2017 Piotr Dymacz <pepe2k@gmail.com>.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * * Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 * * Neither the name of Broadcom Corporation nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 #include "mt7621.dtsi"
36
37 #include <dt-bindings/gpio/gpio.h>
38 #include <dt-bindings/input/input.h>
39
40 / {
41 compatible = "unielec,u7621-06", "mediatek,mt7621-soc";
42
43 aliases {
44 led-boot = &led_status;
45 led-failsafe = &led_status;
46 led-running = &led_status;
47 led-upgrade = &led_status;
48 };
49
50 chosen {
51 bootargs = "console=ttyS0,115200";
52 };
53
54 gpio-export {
55 compatible = "gpio-export";
56 #size-cells = <0>;
57
58 modem_reset {
59 gpio-export,name = "modem_reset";
60 gpio-export,output = <1>;
61 gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
62 };
63 };
64
65 gpio-keys-polled {
66 compatible = "gpio-keys-polled";
67 poll-interval = <20>;
68
69 reset {
70 label = "reset";
71 gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
72 linux,code = <KEY_RESTART>;
73 };
74 };
75
76 gpio-leds {
77 compatible = "gpio-leds";
78
79 led_status: status {
80 label = "u7621-06:green:status";
81 gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
82 };
83
84 led4 {
85 label = "u7621-06:green:led4";
86 gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
87 };
88
89 led5 {
90 label = "u7621-06:green:led5";
91 gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
92 };
93 };
94 };
95
96 &gpio0 {
97 status = "okay";
98 };
99
100 &sdhci {
101 status = "okay";
102 };
103
104 &pcie {
105 status = "okay";
106 };
107
108 &ethernet {
109 mtd-mac-address = <&factory 0xe000>;
110 mediatek,portmap = "llllw";
111 };
112
113 &pinctrl {
114 state_default: pinctrl0 {
115 gpio {
116 ralink,group = "jtag", "uart2", "wdt";
117 ralink,function = "gpio";
118 };
119 };
120 };