1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
2 /*
3 * Broadcom BCM470X / BCM5301X ARM platform code.
4 * DTS for Buffalo WZR-1750DHP
5 *
6 * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com>
7 */
8
9 /dts-v1/;
10
11 #include "bcm4708.dtsi"
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
13
14 / {
15 compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
16 model = "Buffalo WZR-1750DHP (BCM4708)";
17
18 chosen {
19 bootargs = "console=ttyS0,115200 earlycon";
20 };
21
22 memory@0 {
23 device_type = "memory";
24 reg = <0x00000000 0x08000000>,
25 <0x88000000 0x18000000>;
26 };
27
28 spi {
29 compatible = "spi-gpio";
30 num-chipselects = <1>;
31 sck-gpios = <&chipcommon 7 0>;
32 mosi-gpios = <&chipcommon 4 0>;
33 cs-gpios = <&chipcommon 6 0>;
34 #address-cells = <1>;
35 #size-cells = <0>;
36
37 hc595: gpio_spi@0 {
38 compatible = "fairchild,74hc595";
39 reg = <0>;
40 registers-number = <1>;
41 spi-max-frequency = <100000>;
42
43 gpio-controller;
44 #gpio-cells = <2>;
45
46 };
47 };
48
49 leds {
50 compatible = "gpio-leds";
51
52 led-usb {
53 label = "bcm53xx:blue:usb";
54 gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
55 trigger-sources = <&ohci_port1>, <&ehci_port1>,
56 <&xhci_port1>, <&ohci_port2>,
57 <&ehci_port2>;
58 linux,default-trigger = "usbport";
59 };
60
61 led-power0 {
62 label = "bcm53xx:red:power";
63 gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
64 };
65
66 led-power1 {
67 label = "bcm53xx:white:power";
68 gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
69 linux,default-trigger = "default-on";
70 };
71
72 led-router0 {
73 label = "bcm53xx:blue:router";
74 gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
75 linux,default-trigger = "default-on";
76 };
77
78 led-router1 {
79 label = "bcm53xx:amber:router";
80 gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
81 };
82
83 led-wan {
84 label = "bcm53xx:blue:wan";
85 gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
86 linux,default-trigger = "default-on";
87 };
88
89 led-wireless0 {
90 label = "bcm53xx:blue:wireless";
91 gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
92 };
93
94 led-wireless1 {
95 label = "bcm53xx:amber:wireless";
96 gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
97 };
98 };
99
100 gpio-keys {
101 compatible = "gpio-keys";
102
103 button-restart {
104 label = "Reset";
105 linux,code = <KEY_RESTART>;
106 gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
107 };
108
109 button-aoss {
110 label = "AOSS";
111 linux,code = <KEY_WPS_BUTTON>;
112 gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>;
113 };
114
115 /* Commit mode set by switch? */
116 button-mode {
117 label = "Mode";
118 linux,code = <KEY_SETUP>;
119 gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
120 };
121
122 /* Switch: AP mode */
123 button-sw-ap {
124 label = "AP";
125 linux,code = <BTN_0>;
126 gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
127 };
128
129 button-eject {
130 label = "USB eject";
131 linux,code = <KEY_EJECTCD>;
132 gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
133 };
134 };
135 };
136
137 &usb2 {
138 vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
139 };
140
141 &usb3 {
142 vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>;
143 };
144
145 &spi_nor {
146 status = "okay";
147 };
148
149 &usb3_phy {
150 status = "okay";
151 };
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