1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Device Tree file for ITian Square One SQ201
4 */
5
6 /dts-v1/;
7
8 #include "gemini.dtsi"
9 #include <dt-bindings/input/input.h>
10
11 / {
12 model = "ITian Square One SQ201";
13 compatible = "itian,sq201", "cortina,g
14 #address-cells = <1>;
15 #size-cells = <1>;
16
17 memory@0 { /* 128 MB */
18 device_type = "memory";
19 reg = <0x00000000 0x8000000>;
20 };
21
22 chosen {
23 bootargs = "console=ttyS0,1152
24 stdout-path = &uart0;
25 };
26
27 gpio_keys {
28 compatible = "gpio-keys";
29
30 button-setup {
31 debounce-interval = <1
32 wakeup-source;
33 linux,code = <KEY_REST
34 label = "factory reset
35 /* Conflict with NAND
36 gpios = <&gpio0 18 GPI
37 };
38 };
39
40 leds {
41 compatible = "gpio-leds";
42 led-green-info {
43 label = "sq201:green:i
44 gpios = <&gpio0 20 GPI
45 default-state = "on";
46 linux,default-trigger
47 };
48 led-green-usb {
49 label = "sq201:green:u
50 gpios = <&gpio0 31 GPI
51 default-state = "off";
52 linux,default-trigger
53 };
54 };
55
56 mdio0: mdio {
57 compatible = "virtual,mdio-gpi
58 /* Uses MDC and MDIO */
59 gpios = <&gpio0 22 GPIO_ACTIVE
60 <&gpio0 21 GPIO_ACTIVE
61 #address-cells = <1>;
62 #size-cells = <0>;
63
64 /* This is a Marvell 88E1111 e
65 phy0: ethernet-phy@1 {
66 reg = <1>;
67 };
68 };
69
70 spi {
71 compatible = "spi-gpio";
72 #address-cells = <1>;
73 #size-cells = <0>;
74 /* Check pin collisions */
75 sck-gpios = <&gpio1 28 GPIO_AC
76 miso-gpios = <&gpio1 30 GPIO_A
77 mosi-gpios = <&gpio1 29 GPIO_A
78 cs-gpios = <&gpio1 31 GPIO_ACT
79 num-chipselects = <1>;
80
81 ethernet-switch@0 {
82 compatible = "vitesse,
83 reg = <0>;
84 /* Specified for 2.5 M
85 spi-max-frequency = <2
86 gpio-controller;
87 #gpio-cells = <2>;
88
89 ethernet-ports {
90 #address-cells
91 #size-cells =
92
93 ethernet-port@
94 reg =
95 label
96 };
97 ethernet-port@
98 reg =
99 label
100 };
101 ethernet-port@
102 reg =
103 label
104 };
105 ethernet-port@
106 reg =
107 label
108 };
109 vsc: ethernet-
110 reg =
111 label
112 ethern
113 phy-mo
114 fixed-
115
116
117
118 };
119 };
120 };
121 };
122 };
123
124
125 soc {
126 flash@30000000 {
127 status = "okay";
128 pinctrl-names = "enabl
129 pinctrl-0 = <&pflash_d
130 pinctrl-1 = <&pflash_d
131 /* 16MB of flash */
132 reg = <0x30000000 0x01
133
134 partitions {
135 compatible = "
136 /* Eraseblock
137 fis-index-bloc
138 };
139 };
140
141 syscon: syscon@40000000 {
142 pinctrl {
143 /*
144 * gpio0fgrp c
145 * gpio0ggrp c
146 * gpio0hgrp c
147 * gpio0kgrp c
148 */
149 gpio0_default_
150 mux {
151
152
153
154 };
155 };
156 /*
157 * gpio0dgrp c
158 * to the Vite
159 */
160 gpio1_default_
161 mux {
162
163
164 };
165 };
166 /*
167 * These GPIO
168 * of the flas
169 * active use.
170 */
171 pflash_disable
172 mux {
173
174
175
176 };
177 };
178 pinctrl-gmii {
179 mux {
180
181
182 };
183 /* Set
184 conf0
185
186
187 };
188 conf1
189
190
191 };
192 conf2
193
194
195 };
196 conf3
197
198
199 };
200 conf4
201
202
203 };
204 conf5
205
206
207 };
208 conf6
209
210
211 };
212 conf7
213
214
215 };
216 conf8
217
218
219
220
221
222
223
224
225
226
227 };
228 /* Set
229 conf9
230
231
232 };
233 };
234 };
235 };
236
237 sata: sata@46000000 {
238 cortina,gemini-ata-mux
239 cortina,gemini-enable-
240 status = "okay";
241 };
242
243 gpio0: gpio@4d000000 {
244 pinctrl-names = "defau
245 pinctrl-0 = <&gpio0_de
246 };
247
248 gpio1: gpio@4e000000 {
249 pinctrl-names = "defau
250 pinctrl-0 = <&gpio1_de
251 };
252
253 pci@50000000 {
254 status = "okay";
255 };
256
257 ethernet@60000000 {
258 status = "okay";
259
260 ethernet-port@0 {
261 phy-mode = "rg
262 phy-handle = <
263 };
264 ethernet-port@1 {
265 phy-mode = "rg
266 fixed-link {
267 speed
268 full-d
269 pause;
270 };
271 };
272 };
273
274 ide@63000000 {
275 status = "okay";
276 };
277
278 usb@68000000 {
279 status = "okay";
280 };
281
282 usb@69000000 {
283 status = "okay";
284 };
285 };
286 };
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