1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * kirkwood-viper.dts - Device Tree file for Linksys viper (E4200v2 / EA4500)
4 *
5 * (c) 2013 Jonas Gorski <jogo@openwrt.org>
6 * (c) 2013 Deutsche Telekom Innovation Laboratories
7 * (c) 2014 Luka Perkov <luka@openwrt.org>
8 * (c) 2014 Randy C. Will <randall.will@gmail.com>
9 *
10 */
11
12 /dts-v1/;
13
14 #include "kirkwood.dtsi"
15 #include "kirkwood-6282.dtsi"
16
17 / {
18 model = "Linksys Viper (E4200v2 / EA4500)";
19 compatible = "linksys,viper", "marvell,kirkwood-88f6282", "marvell,kirkwood";
20
21 memory {
22 device_type = "memory";
23 reg = <0x00000000 0x8000000>;
24 };
25
26 aliases {
27 serial0 = &uart0;
28 };
29
30 chosen {
31 stdout-path = "serial0:115200n8";
32 };
33
34 gpio_keys {
35 compatible = "gpio-keys";
36 pinctrl-0 = < &pmx_btn_wps &pmx_btn_reset >;
37 pinctrl-names = "default";
38
39 button-wps {
40 label = "WPS Button";
41 linux,code = <KEY_WPS_BUTTON>;
42 gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
43 };
44
45 button-reset {
46 label = "Reset Button";
47 linux,code = <KEY_RESTART>;
48 gpios = <&gpio1 16 GPIO_ACTIVE_LOW>;
49 };
50 };
51
52 gpio-leds {
53 compatible = "gpio-leds";
54 pinctrl-0 = < &pmx_led_white_health &pmx_led_white_pulse >;
55 pinctrl-names = "default";
56
57 led-white-health {
58 label = "viper:white:health";
59 gpios = <&gpio0 7 GPIO_ACTIVE_HIGH>;
60 };
61
62 led-white-pulse {
63 label = "viper:white:pulse";
64 gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
65 };
66 };
67 };
68
69 &pinctrl {
70 pmx_led_white_health: pmx-led-white-health {
71 marvell,pins = "mpp7";
72 marvell,function = "gpo";
73 };
74 pmx_led_white_pulse: pmx-led-white-pulse {
75 marvell,pins = "mpp14";
76 marvell,function = "gpio";
77 };
78 pmx_btn_wps: pmx-btn-wps {
79 marvell,pins = "mpp47";
80 marvell,function = "gpio";
81 };
82 pmx_btn_reset: pmx-btn-reset {
83 marvell,pins = "mpp48";
84 marvell,function = "gpio";
85 };
86 };
87
88 &nand {
89 status = "okay";
90 pinctrl-0 = <&pmx_nand>;
91 pinctrl-names = "default";
92
93 partitions {
94 compatible = "fixed-partitions";
95 #address-cells = <1>;
96 #size-cells = <1>;
97
98 partition@0 {
99 label = "u-boot";
100 reg = <0x0 0x80000>;
101 read-only;
102 };
103
104 partition@80000 {
105 label = "u_env";
106 reg = <0x80000 0x20000>;
107 };
108
109 partition@a0000 {
110 label = "s_env";
111 reg = <0xA0000 0x20000>;
112 };
113
114 partition@200000 {
115 label = "kernel";
116 reg = <0x200000 0x2A0000>;
117 };
118
119 partition@4a0000 {
120 label = "rootfs";
121 reg = <0x4A0000 0x1760000>;
122 };
123
124 partition@1c00000 {
125 label = "alt_kernel";
126 reg = <0x1C00000 0x2A0000>;
127 };
128
129 partition@1ea0000 {
130 label = "alt_rootfs";
131 reg = <0x1EA0000 0x1760000>;
132 };
133
134 partition@3600000 {
135 label = "syscfg";
136 reg = <0x3600000 0x4A00000>;
137 };
138
139 partition@c0000 {
140 label = "unused";
141 reg = <0xC0000 0x140000>;
142 };
143
144 };
145 };
146
147 &pciec {
148 status = "okay";
149 };
150
151 &pcie0 {
152 status = "okay";
153 };
154
155 &pcie1 {
156 status = "okay";
157 };
158
159 &mdio {
160 status = "okay";
161
162 switch@10 {
163 compatible = "marvell,mv88e6085";
164 #address-cells = <1>;
165 #size-cells = <0>;
166 reg = <16>;
167
168 ports {
169 #address-cells = <1>;
170 #size-cells = <0>;
171
172 port@0 {
173 reg = <0>;
174 label = "ethernet1";
175 };
176
177 port@1 {
178 reg = <1>;
179 label = "ethernet2";
180 };
181
182 port@2 {
183 reg = <2>;
184 label = "ethernet3";
185 };
186
187 port@3 {
188 reg = <3>;
189 label = "ethernet4";
190 };
191
192 port@4 {
193 reg = <4>;
194 label = "internet";
195 };
196
197 port@5 {
198 reg = <5>;
199 phy-mode = "rgmii-id";
200 ethernet = <ð0port>;
201 fixed-link {
202 speed = <1000>;
203 full-duplex;
204 };
205 };
206 };
207 };
208 };
209
210 &uart0 {
211 status = "okay";
212 };
213
214 /* eth0 is connected to a Marvell 88E6171 switch, without a PHY. So set
215 * fixed speed and duplex.
216 */
217 ð0 {
218 status = "okay";
219 ethernet0-port@0 {
220 speed = <1000>;
221 duplex = <1>;
222 phy-mode = "rgmii";
223 };
224 };
225
226 /* eth1 is connected to the switch at port 6. However DSA only supports a
227 * single CPU port. So leave this port disabled to avoid confusion.
228 */
229 ð1 {
230 status = "disabled";
231 };
232
233 /* There is no battery on the board, so the RTC does not keep
234 * time when there is no power, making it useless.
235 */
236 &rtc {
237 status = "disabled";
238 };
239
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