1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * at91sam9g20ek_common.dtsi - Device Tree file for Atmel at91sam9g20ek board
4 *
5 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
6 */
7 #include "at91sam9g20.dtsi"
8 #include <dt-bindings/input/input.h>
9
10 / {
11
12 chosen {
13 bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
14 stdout-path = "serial0:115200n8";
15 };
16
17 memory@20000000 {
18 reg = <0x20000000 0x4000000>;
19 };
20
21 clocks {
22 slow_xtal {
23 clock-frequency = <32768>;
24 };
25
26 main_xtal {
27 clock-frequency = <18432000>;
28 };
29 };
30
31 ahb {
32 apb {
33 pinctrl@fffff400 {
34 board {
35 pinctrl_pck0_as_mck: pck0_as_mck {
36 atmel,pins =
37 <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
38 };
39
40 };
41
42 usb1 {
43 pinctrl_usb1_vbus_gpio: usb1_vbus_gpio {
44 atmel,pins =
45 <AT91_PIOC 5 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PC5 GPIO */
46 };
47 };
48
49 mmc0_slot1 {
50 pinctrl_board_mmc0_slot1: mmc0_slot1-board {
51 atmel,pins =
52 <AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
53 };
54 };
55 };
56
57 dbgu: serial@fffff200 {
58 status = "okay";
59 };
60
61 tcb0: timer@fffa0000 {
62 timer@0 {
63 compatible = "atmel,tcb-timer";
64 reg = <0>, <1>;
65 };
66
67 timer@2 {
68 compatible = "atmel,tcb-timer";
69 reg = <2>;
70 };
71 };
72
73 usart0: serial@fffb0000 {
74 pinctrl-0 =
75 <&pinctrl_usart0
76 &pinctrl_usart0_rts
77 &pinctrl_usart0_cts
78 &pinctrl_usart0_dtr_dsr
79 &pinctrl_usart0_dcd
80 &pinctrl_usart0_ri>;
81 status = "okay";
82 };
83
84 usart1: serial@fffb4000 {
85 status = "okay";
86 };
87
88 macb0: ethernet@fffc4000 {
89 phy-mode = "rmii";
90 status = "okay";
91 };
92
93 usb1: gadget@fffa4000 {
94 pinctrl-0 = <&pinctrl_usb1_vbus_gpio>;
95 pinctrl-names = "default";
96 atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
97 status = "okay";
98 };
99
100 mmc0: mmc@fffa8000 {
101 pinctrl-0 = <
102 &pinctrl_board_mmc0_slot1
103 &pinctrl_mmc0_clk
104 &pinctrl_mmc0_slot1_cmd_dat0
105 &pinctrl_mmc0_slot1_dat1_3>;
106 pinctrl-names = "default";
107 status = "okay";
108 slot@1 {
109 reg = <1>;
110 bus-width = <4>;
111 cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
112 };
113 };
114
115 ssc0: ssc@fffbc000 {
116 status = "okay";
117 pinctrl-0 = <&pinctrl_ssc0_tx>;
118 };
119
120 spi0: spi@fffc8000 {
121 cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
122 flash@1 {
123 compatible = "atmel,at45", "atmel,dataflash";
124 spi-max-frequency = <50000000>;
125 reg = <1>;
126 };
127 };
128
129 shdwc: poweroff@fffffd10 {
130 atmel,wakeup-counter = <10>;
131 atmel,wakeup-rtt-timer;
132 };
133
134 rtc@fffffd20 {
135 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
136 status = "okay";
137 };
138
139 watchdog@fffffd40 {
140 status = "okay";
141 };
142
143 gpbr: syscon@fffffd50 {
144 status = "okay";
145 };
146 };
147
148 ebi: ebi@10000000 {
149 status = "okay";
150
151 nand_controller: nand-controller {
152 status = "okay";
153 pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
154 pinctrl-names = "default";
155
156 nand@3 {
157 reg = <0x3 0x0 0x800000>;
158 rb-gpios = <&pioC 13 GPIO_ACTIVE_HIGH>;
159 cs-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
160 nand-bus-width = <8>;
161 nand-ecc-mode = "soft";
162 nand-on-flash-bbt;
163 label = "atmel_nand";
164
165 partitions {
166 compatible = "fixed-partitions";
167 #address-cells = <1>;
168 #size-cells = <1>;
169
170 at91bootstrap@0 {
171 label = "at91bootstrap";
172 reg = <0x0 0x20000>;
173 };
174
175 barebox@20000 {
176 label = "barebox";
177 reg = <0x20000 0x40000>;
178 };
179
180 bareboxenv@60000 {
181 label = "bareboxenv";
182 reg = <0x60000 0x20000>;
183 };
184
185 bareboxenv2@80000 {
186 label = "bareboxenv2";
187 reg = <0x80000 0x20000>;
188 };
189
190 oftree@80000 {
191 label = "oftree";
192 reg = <0xa0000 0x20000>;
193 };
194
195 kernel@a0000 {
196 label = "kernel";
197 reg = <0xc0000 0x400000>;
198 };
199
200 rootfs@4a0000 {
201 label = "rootfs";
202 reg = <0x4c0000 0x7800000>;
203 };
204
205 data@7ca0000 {
206 label = "data";
207 reg = <0x7cc0000 0x8340000>;
208 };
209 };
210 };
211 };
212 };
213
214 usb0: ohci@500000 {
215 num-ports = <2>;
216 status = "okay";
217 };
218 };
219
220 i2c-gpio-0 {
221 status = "okay";
222
223 24c512@50 {
224 compatible = "atmel,24c512";
225 reg = <0x50>;
226 vcc-supply = <®_3v3>;
227 };
228
229 wm8731: wm8731@1b {
230 compatible = "wm8731";
231 reg = <0x1b>;
232
233 /* PCK0 at 12MHz */
234 clocks = <&pmc PMC_TYPE_SYSTEM 8>;
235 clock-names = "mclk";
236 assigned-clocks = <&pmc PMC_TYPE_SYSTEM 8>;
237 assigned-clock-rates = <12000000>;
238
239 HPVDD-supply = <&vcc_dac>;
240 AVDD-supply = <&vcc_dac>;
241 DCVDD-supply = <®_3v3>;
242 DBVDD-supply = <®_3v3>;
243 };
244 };
245
246 gpio-keys {
247 compatible = "gpio-keys";
248
249 button-3 {
250 label = "Button 3";
251 gpios = <&pioA 30 GPIO_ACTIVE_LOW>;
252 linux,code = <0x103>;
253 wakeup-source;
254 };
255
256 button-4 {
257 label = "Button 4";
258 gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
259 linux,code = <KEY_PROG1>;
260 wakeup-source;
261 };
262 };
263
264 sound {
265 compatible = "atmel,at91sam9g20ek-wm8731-audio";
266 pinctrl-names = "default";
267 pinctrl-0 = <&pinctrl_pck0_as_mck>;
268
269 atmel,model = "wm8731 @ AT91SAMG20EK";
270
271 atmel,audio-routing =
272 "Ext Spk", "LHPOUT",
273 "Int Mic", "MICIN";
274
275 atmel,ssc-controller = <&ssc0>;
276 atmel,audio-codec = <&wm8731>;
277 };
278
279 reg_5v: fixedregulator0 {
280 compatible = "regulator-fixed";
281 regulator-name = "5V";
282 regulator-min-microvolt = <5000000>;
283 regulator-max-microvolt = <5000000>;
284 };
285
286 reg_3v3: fixedregulator1 {
287 compatible = "regulator-fixed";
288 regulator-name = "3V3";
289 vin-supply = <®_5v>;
290 regulator-min-microvolt = <3300000>;
291 regulator-max-microvolt = <3300000>;
292 };
293
294 reg_1v: fixedregulator2 {
295 compatible = "regulator-fixed";
296 regulator-name = "1V";
297 vin-supply = <®_5v>;
298 regulator-min-microvolt = <1000000>;
299 regulator-max-microvolt = <1000000>;
300 };
301
302 vcc_dac: fixedregulator3 {
303 compatible = "regulator-fixed";
304 regulator-name = "VCC_DAC";
305 vin-supply = <®_3v3>;
306 regulator-min-microvolt = <3300000>;
307 regulator-max-microvolt = <3300000>;
308 };
309 };
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