1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
2 /*
3 * Broadcom BCM470X / BCM5301X ARM platform code.
4 * DTS for Buffalo WZR-900DHP
5 *
6 * Copyright (C) 2015 Rafał Miłecki <zajec5@gmail.com>
7 */
8
9 /dts-v1/;
10
11 #include "bcm47081.dtsi"
12 #include "bcm5301x-nand-cs0-bch8.dtsi"
13
14 / {
15 compatible = "buffalo,wzr-900dhp", "brcm,bcm47081", "brcm,bcm4708";
16 model = "Buffalo WZR-900DHP (BCM47081)";
17
18 chosen {
19 bootargs = "console=ttyS0,115200";
20 };
21
22 memory@0 {
23 device_type = "memory";
24 reg = <0x00000000 0x08000000>,
25 <0x88000000 0x08000000>;
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:green:usb";
54 gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
55 };
56
57 led-power0 {
58 label = "bcm53xx:green:power";
59 gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
60 linux,default-trigger = "default-on";
61 };
62
63 led-power1 {
64 label = "bcm53xx:red:power";
65 gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
66 };
67
68 led-router0 {
69 label = "bcm53xx:green:router";
70 gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
71 linux,default-trigger = "default-on";
72 };
73
74 led-router1 {
75 label = "bcm53xx:amber:router";
76 gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
77 };
78
79 led-wan {
80 label = "bcm53xx:green:wan";
81 gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
82 linux,default-trigger = "default-on";
83 };
84
85 led-wireless0 {
86 label = "bcm53xx:green:wireless";
87 gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
88 };
89
90 led-wireless1 {
91 label = "bcm53xx:amber:wireless";
92 gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
93 };
94 };
95
96 gpio-keys {
97 compatible = "gpio-keys";
98
99 button-restart {
100 label = "Reset";
101 linux,code = <KEY_RESTART>;
102 gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
103 };
104 };
105 };
106
107 &usb3_phy {
108 status = "okay";
109 };
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