1 // SPDX-License-Identifier: GPL-2.0-or-later O 1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
2 /* 2 /*
3 * Broadcom BCM470X / BCM5301X ARM platform co 3 * Broadcom BCM470X / BCM5301X ARM platform code.
4 * DTS for Buffalo WZR-1750DHP 4 * DTS for Buffalo WZR-1750DHP
5 * 5 *
6 * Copyright (C) 2014 Rafał Miłecki <zajec5@g 6 * Copyright (C) 2014 Rafał Miłecki <zajec5@gmail.com>
7 */ 7 */
8 8
9 /dts-v1/; 9 /dts-v1/;
10 10
11 #include "bcm4708.dtsi" 11 #include "bcm4708.dtsi"
12 #include "bcm5301x-nand-cs0-bch8.dtsi" 12 #include "bcm5301x-nand-cs0-bch8.dtsi"
13 13
14 / { 14 / {
15 compatible = "buffalo,wzr-1750dhp", "b 15 compatible = "buffalo,wzr-1750dhp", "brcm,bcm4708";
16 model = "Buffalo WZR-1750DHP (BCM4708) 16 model = "Buffalo WZR-1750DHP (BCM4708)";
17 17
18 chosen { 18 chosen {
19 bootargs = "console=ttyS0,1152 19 bootargs = "console=ttyS0,115200 earlycon";
20 }; 20 };
21 21
22 memory@0 { 22 memory@0 {
23 device_type = "memory"; 23 device_type = "memory";
24 reg = <0x00000000 0x08000000>, 24 reg = <0x00000000 0x08000000>,
25 <0x88000000 0x18000000>; 25 <0x88000000 0x18000000>;
26 }; 26 };
27 27
28 spi { 28 spi {
29 compatible = "spi-gpio"; 29 compatible = "spi-gpio";
30 num-chipselects = <1>; 30 num-chipselects = <1>;
31 sck-gpios = <&chipcommon 7 0>; 31 sck-gpios = <&chipcommon 7 0>;
32 mosi-gpios = <&chipcommon 4 0> 32 mosi-gpios = <&chipcommon 4 0>;
33 cs-gpios = <&chipcommon 6 0>; 33 cs-gpios = <&chipcommon 6 0>;
34 #address-cells = <1>; 34 #address-cells = <1>;
35 #size-cells = <0>; 35 #size-cells = <0>;
36 36
37 hc595: gpio_spi@0 { 37 hc595: gpio_spi@0 {
38 compatible = "fairchil 38 compatible = "fairchild,74hc595";
39 reg = <0>; 39 reg = <0>;
40 registers-number = <1> 40 registers-number = <1>;
41 spi-max-frequency = <1 41 spi-max-frequency = <100000>;
42 42
43 gpio-controller; 43 gpio-controller;
44 #gpio-cells = <2>; 44 #gpio-cells = <2>;
45 45
46 }; 46 };
47 }; 47 };
48 48
49 leds { 49 leds {
50 compatible = "gpio-leds"; 50 compatible = "gpio-leds";
51 51
52 led-usb { 52 led-usb {
53 label = "bcm53xx:blue: 53 label = "bcm53xx:blue:usb";
54 gpios = <&hc595 0 GPIO 54 gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
55 trigger-sources = <&oh 55 trigger-sources = <&ohci_port1>, <&ehci_port1>,
56 <&xh 56 <&xhci_port1>, <&ohci_port2>,
57 <&eh 57 <&ehci_port2>;
58 linux,default-trigger 58 linux,default-trigger = "usbport";
59 }; 59 };
60 60
61 led-power0 { 61 led-power0 {
62 label = "bcm53xx:red:p 62 label = "bcm53xx:red:power";
63 gpios = <&hc595 1 GPIO 63 gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
64 }; 64 };
65 65
66 led-power1 { 66 led-power1 {
67 label = "bcm53xx:white 67 label = "bcm53xx:white:power";
68 gpios = <&hc595 2 GPIO 68 gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
69 linux,default-trigger 69 linux,default-trigger = "default-on";
70 }; 70 };
71 71
72 led-router0 { 72 led-router0 {
73 label = "bcm53xx:blue: 73 label = "bcm53xx:blue:router";
74 gpios = <&hc595 3 GPIO 74 gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
75 linux,default-trigger 75 linux,default-trigger = "default-on";
76 }; 76 };
77 77
78 led-router1 { 78 led-router1 {
79 label = "bcm53xx:amber 79 label = "bcm53xx:amber:router";
80 gpios = <&hc595 4 GPIO 80 gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
81 }; 81 };
82 82
83 led-wan { 83 led-wan {
84 label = "bcm53xx:blue: 84 label = "bcm53xx:blue:wan";
85 gpios = <&hc595 5 GPIO 85 gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
86 linux,default-trigger 86 linux,default-trigger = "default-on";
87 }; 87 };
88 88
89 led-wireless0 { 89 led-wireless0 {
90 label = "bcm53xx:blue: 90 label = "bcm53xx:blue:wireless";
91 gpios = <&hc595 6 GPIO 91 gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
92 }; 92 };
93 93
94 led-wireless1 { 94 led-wireless1 {
95 label = "bcm53xx:amber 95 label = "bcm53xx:amber:wireless";
96 gpios = <&hc595 7 GPIO 96 gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
97 }; 97 };
98 }; 98 };
99 99
100 gpio-keys { 100 gpio-keys {
101 compatible = "gpio-keys"; 101 compatible = "gpio-keys";
102 102
103 button-restart { 103 button-restart {
104 label = "Reset"; 104 label = "Reset";
105 linux,code = <KEY_REST 105 linux,code = <KEY_RESTART>;
106 gpios = <&chipcommon 1 106 gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
107 }; 107 };
108 108
109 button-aoss { 109 button-aoss {
110 label = "AOSS"; 110 label = "AOSS";
111 linux,code = <KEY_WPS_ 111 linux,code = <KEY_WPS_BUTTON>;
112 gpios = <&chipcommon 1 112 gpios = <&chipcommon 12 GPIO_ACTIVE_LOW>;
113 }; 113 };
114 114
115 /* Commit mode set by switch? 115 /* Commit mode set by switch? */
116 button-mode { 116 button-mode {
117 label = "Mode"; 117 label = "Mode";
118 linux,code = <KEY_SETU 118 linux,code = <KEY_SETUP>;
119 gpios = <&chipcommon 1 119 gpios = <&chipcommon 13 GPIO_ACTIVE_LOW>;
120 }; 120 };
121 121
122 /* Switch: AP mode */ 122 /* Switch: AP mode */
123 button-sw-ap { 123 button-sw-ap {
124 label = "AP"; 124 label = "AP";
125 linux,code = <BTN_0>; 125 linux,code = <BTN_0>;
126 gpios = <&chipcommon 1 126 gpios = <&chipcommon 14 GPIO_ACTIVE_LOW>;
127 }; 127 };
128 128
129 button-eject { 129 button-eject {
130 label = "USB eject"; 130 label = "USB eject";
131 linux,code = <KEY_EJEC 131 linux,code = <KEY_EJECTCD>;
132 gpios = <&chipcommon 1 132 gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
133 }; 133 };
134 }; 134 };
135 }; 135 };
136 136
137 &usb2 { 137 &usb2 {
138 vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_ 138 vcc-gpio = <&chipcommon 9 GPIO_ACTIVE_HIGH>;
139 }; 139 };
140 140
141 &usb3 { 141 &usb3 {
142 vcc-gpio = <&chipcommon 10 GPIO_ACTIVE 142 vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>;
143 }; 143 };
144 144
145 &spi_nor { 145 &spi_nor {
146 status = "okay"; 146 status = "okay";
147 }; 147 };
148 148
149 &usb3_phy { 149 &usb3_phy {
150 status = "okay"; 150 status = "okay";
151 }; 151 };
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