1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Device Tree common file for kirkwood based Buffalo Linkstation
4 *
5 * Copyright (C) 2015, 2016
6 * Roger Shimizu <rogershimizu@gmail.com>
7 */
8
9 / {
10 chosen {
11 bootargs = "console=ttyS0,115200n8 earlyprintk";
12 stdout-path = &uart0;
13 };
14
15 ocp@f1000000 {
16 pinctrl: pin-controller@10000 {
17 pmx_power_hdd0: pmx-power-hdd0 {
18 marvell,function = "gpio";
19 };
20 pmx_usb_vbus: pmx-usb-vbus {
21 marvell,function = "gpio";
22 };
23 pmx_led_alarm: pmx-led-alarm {
24 marvell,function = "gpio";
25 };
26 pmx_led_function_red: pmx-led-function-red {
27 marvell,function = "gpio";
28 };
29 pmx_led_function_blue: pmx-led-function-blue {
30 marvell,function = "gpio";
31 };
32 pmx_led_info: pmx-led-info {
33 marvell,function = "gpio";
34 };
35 pmx_led_power: pmx-led-power {
36 marvell,function = "gpio";
37 };
38 pmx_button_function: pmx-button-function {
39 marvell,function = "gpio";
40 };
41 pmx_power_switch: pmx-power-switch {
42 marvell,function = "gpio";
43 };
44 pmx_power_auto_switch: pmx-power-auto-switch {
45 marvell,function = "gpio";
46 };
47 };
48
49 serial@12000 {
50 status = "okay";
51 };
52
53 sata@80000 {
54 status = "okay";
55 nr-ports = <1>;
56 };
57
58 spi@10600 {
59 status = "okay";
60
61 m25p40@0 {
62 #address-cells = <1>;
63 #size-cells = <1>;
64 compatible = "st,m25p40", "jedec,spi-nor";
65 reg = <0>;
66 spi-max-frequency = <25000000>;
67 mode = <0>;
68
69 partition@0 {
70 reg = <0x0 0x60000>;
71 label = "uboot";
72 read-only;
73 };
74
75 partition@60000 {
76 reg = <0x60000 0x10000>;
77 label = "dtb";
78 read-only;
79 };
80
81 partition@70000 {
82 reg = <0x70000 0x10000>;
83 label = "uboot_env";
84 };
85 };
86 };
87 };
88
89 gpio_keys {
90 compatible = "gpio-keys";
91 pinctrl-0 = <&pmx_button_function &pmx_power_switch
92 &pmx_power_auto_switch>;
93 pinctrl-names = "default";
94
95 function-button {
96 label = "Function Button";
97 linux,code = <KEY_OPTION>;
98 };
99
100 power-on-switch {
101 label = "Power-on Switch";
102 linux,code = <KEY_RESERVED>;
103 linux,input-type = <5>;
104 };
105
106 power-auto-switch {
107 label = "Power-auto Switch";
108 linux,code = <KEY_ESC>;
109 linux,input-type = <5>;
110 };
111 };
112
113 gpio_leds {
114 compatible = "gpio-leds";
115 pinctrl-0 = <&pmx_led_function_red &pmx_led_alarm
116 &pmx_led_info &pmx_led_power
117 &pmx_led_function_blue>;
118 pinctrl-names = "default";
119 };
120
121 restart_poweroff {
122 compatible = "restart-poweroff";
123 };
124
125 regulators {
126 compatible = "simple-bus";
127 #address-cells = <1>;
128 #size-cells = <0>;
129 pinctrl-0 = <&pmx_power_hdd0 &pmx_usb_vbus>;
130 pinctrl-names = "default";
131
132 usb_power: regulator@1 {
133 compatible = "regulator-fixed";
134 reg = <1>;
135 regulator-name = "USB Power";
136 regulator-min-microvolt = <5000000>;
137 regulator-max-microvolt = <5000000>;
138 enable-active-high;
139 regulator-always-on;
140 regulator-boot-on;
141 };
142
143 hdd_power0: regulator@2 {
144 compatible = "regulator-fixed";
145 reg = <2>;
146 regulator-name = "HDD0 Power";
147 regulator-min-microvolt = <5000000>;
148 regulator-max-microvolt = <5000000>;
149 enable-active-high;
150 regulator-always-on;
151 regulator-boot-on;
152 };
153 };
154 };
155
156 &pciec {
157 status = "okay";
158 };
159
160 &pcie0 {
161 status = "okay";
162 };
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