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-900DHP 4 * DTS for Buffalo WZR-900DHP
5 * 5 *
6 * Copyright (C) 2015 Rafał Miłecki <zajec5@g 6 * Copyright (C) 2015 Rafał Miłecki <zajec5@gmail.com>
7 */ 7 */
8 8
9 /dts-v1/; 9 /dts-v1/;
10 10
11 #include "bcm47081.dtsi" 11 #include "bcm47081.dtsi"
12 #include "bcm5301x-nand-cs0-bch8.dtsi" 12 #include "bcm5301x-nand-cs0-bch8.dtsi"
13 13
14 / { 14 / {
15 compatible = "buffalo,wzr-900dhp", "br 15 compatible = "buffalo,wzr-900dhp", "brcm,bcm47081", "brcm,bcm4708";
16 model = "Buffalo WZR-900DHP (BCM47081) 16 model = "Buffalo WZR-900DHP (BCM47081)";
17 17
18 chosen { 18 chosen {
19 bootargs = "console=ttyS0,1152 19 bootargs = "console=ttyS0,115200";
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 0x08000000>; 25 <0x88000000 0x08000000>;
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:green 53 label = "bcm53xx:green:usb";
54 gpios = <&hc595 0 GPIO 54 gpios = <&hc595 0 GPIO_ACTIVE_HIGH>;
55 }; 55 };
56 56
57 led-power0 { 57 led-power0 {
58 label = "bcm53xx:green 58 label = "bcm53xx:green:power";
59 gpios = <&hc595 1 GPIO 59 gpios = <&hc595 1 GPIO_ACTIVE_HIGH>;
60 linux,default-trigger 60 linux,default-trigger = "default-on";
61 }; 61 };
62 62
63 led-power1 { 63 led-power1 {
64 label = "bcm53xx:red:p 64 label = "bcm53xx:red:power";
65 gpios = <&hc595 2 GPIO 65 gpios = <&hc595 2 GPIO_ACTIVE_HIGH>;
66 }; 66 };
67 67
68 led-router0 { 68 led-router0 {
69 label = "bcm53xx:green 69 label = "bcm53xx:green:router";
70 gpios = <&hc595 3 GPIO 70 gpios = <&hc595 3 GPIO_ACTIVE_HIGH>;
71 linux,default-trigger 71 linux,default-trigger = "default-on";
72 }; 72 };
73 73
74 led-router1 { 74 led-router1 {
75 label = "bcm53xx:amber 75 label = "bcm53xx:amber:router";
76 gpios = <&hc595 4 GPIO 76 gpios = <&hc595 4 GPIO_ACTIVE_HIGH>;
77 }; 77 };
78 78
79 led-wan { 79 led-wan {
80 label = "bcm53xx:green 80 label = "bcm53xx:green:wan";
81 gpios = <&hc595 5 GPIO 81 gpios = <&hc595 5 GPIO_ACTIVE_HIGH>;
82 linux,default-trigger 82 linux,default-trigger = "default-on";
83 }; 83 };
84 84
85 led-wireless0 { 85 led-wireless0 {
86 label = "bcm53xx:green 86 label = "bcm53xx:green:wireless";
87 gpios = <&hc595 6 GPIO 87 gpios = <&hc595 6 GPIO_ACTIVE_HIGH>;
88 }; 88 };
89 89
90 led-wireless1 { 90 led-wireless1 {
91 label = "bcm53xx:amber 91 label = "bcm53xx:amber:wireless";
92 gpios = <&hc595 7 GPIO 92 gpios = <&hc595 7 GPIO_ACTIVE_HIGH>;
93 }; 93 };
94 }; 94 };
95 95
96 gpio-keys { 96 gpio-keys {
97 compatible = "gpio-keys"; 97 compatible = "gpio-keys";
98 98
99 button-restart { 99 button-restart {
100 label = "Reset"; 100 label = "Reset";
101 linux,code = <KEY_REST 101 linux,code = <KEY_RESTART>;
102 gpios = <&chipcommon 1 102 gpios = <&chipcommon 11 GPIO_ACTIVE_LOW>;
103 }; 103 };
104 }; 104 };
105 }; 105 };
106 106
107 &usb3_phy { 107 &usb3_phy {
108 status = "okay"; 108 status = "okay";
109 }; 109 };
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