1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * at91-sam9x60_curiosity.dts - Device Tree file for Microchip SAM9X60 Curiosity board
4 *
5 * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
6 *
7 * Author: Durai Manickam KR <durai.manickamkr@microchip.com>
8 */
9 /dts-v1/;
10 #include "sam9x60.dtsi"
11 #include <dt-bindings/input/input.h>
12
13 / {
14 model = "Microchip SAM9X60 Curiosity";
15 compatible = "microchip,sam9x60-curiosity", "microchip,sam9x60", "atmel,at91sam9";
16
17 aliases {
18 i2c0 = &i2c0;
19 i2c1 = &i2c6;
20 serial2 = &uart7;
21 };
22
23 chosen {
24 stdout-path = "serial0:115200n8";
25 };
26
27 memory@20000000 {
28 reg = <0x20000000 0x8000000>;
29 };
30
31 clocks {
32 slow_xtal {
33 clock-frequency = <32768>;
34 };
35
36 main_xtal {
37 clock-frequency = <24000000>;
38 };
39 };
40
41 gpio-keys {
42 compatible = "gpio-keys";
43 pinctrl-names = "default";
44 pinctrl-0 = <&pinctrl_key_gpio_default>;
45
46 button-user {
47 label = "PB_USER";
48 gpios = <&pioA 29 GPIO_ACTIVE_LOW>;
49 linux,code = <KEY_PROG1>;
50 wakeup-source;
51 };
52 };
53
54 leds {
55 compatible = "gpio-leds";
56 pinctrl-names = "default";
57 pinctrl-0 = <&pinctrl_gpio_leds>;
58
59 led-red {
60 label = "red";
61 gpios = <&pioD 17 GPIO_ACTIVE_HIGH>;
62 };
63
64 led-green {
65 label = "green";
66 gpios = <&pioD 19 GPIO_ACTIVE_HIGH>;
67 };
68
69 led-blue {
70 label = "blue";
71 gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
72 linux,default-trigger = "heartbeat";
73 };
74 };
75
76
77 vdd_1v8: regulator-0 {
78 compatible = "regulator-fixed";
79 regulator-always-on;
80 regulator-max-microvolt = <1800000>;
81 regulator-min-microvolt = <1800000>;
82 regulator-name = "VDD_1V8";
83 };
84
85 vdd_1v15: regulator-1 {
86 compatible = "regulator-fixed";
87 regulator-always-on;
88 regulator-max-microvolt = <1150000>;
89 regulator-min-microvolt = <1150000>;
90 regulator-name = "VDD_1V15";
91 };
92
93 vdd1_3v3: regulator-2 {
94 compatible = "regulator-fixed";
95 regulator-always-on;
96 regulator-max-microvolt = <3300000>;
97 regulator-min-microvolt = <3300000>;
98 regulator-name = "VDD1_3V3";
99 };
100 };
101
102 &adc {
103 vddana-supply = <&vdd1_3v3>;
104 vref-supply = <&vdd1_3v3>;
105 pinctrl-names = "default";
106 pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
107 status = "okay";
108 };
109
110 &can0 {
111 pinctrl-names = "default";
112 pinctrl-0 = <&pinctrl_can0_rx_tx>;
113 status = "disabled"; /* Conflict with dbgu. */
114 };
115
116 &can1 {
117 pinctrl-names = "default";
118 pinctrl-0 = <&pinctrl_can1_rx_tx>;
119 status = "okay";
120 };
121
122 &dbgu {
123 pinctrl-names = "default";
124 pinctrl-0 = <&pinctrl_dbgu>;
125 status = "okay"; /* Conflict with can0. */
126 };
127
128 &ebi {
129 pinctrl-names = "default";
130 pinctrl-0 = <&pinctrl_ebi_addr_nand &pinctrl_ebi_data_lsb>;
131 status = "okay";
132
133 nand_controller: nand-controller {
134 pinctrl-names = "default";
135 pinctrl-0 = <&pinctrl_nand_oe_we &pinctrl_nand_cs &pinctrl_nand_rb>;
136 status = "okay";
137
138 nand@3 {
139 reg = <0x3 0x0 0x800000>;
140 rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
141 cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
142 nand-bus-width = <8>;
143 nand-ecc-mode = "hw";
144 nand-ecc-strength = <8>;
145 nand-ecc-step-size = <512>;
146 nand-on-flash-bbt;
147 label = "atmel_nand";
148
149 partitions {
150 compatible = "fixed-partitions";
151 #address-cells = <1>;
152 #size-cells = <1>;
153
154 at91bootstrap@0 {
155 label = "at91bootstrap";
156 reg = <0x0 0x40000>;
157 };
158
159 uboot@40000 {
160 label = "u-boot";
161 reg = <0x40000 0xc0000>;
162 };
163
164 ubootenvred@100000 {
165 label = "U-Boot Env Redundant";
166 reg = <0x100000 0x40000>;
167 };
168
169 ubootenv@140000 {
170 label = "U-Boot Env";
171 reg = <0x140000 0x40000>;
172 };
173
174 dtb@180000 {
175 label = "device tree";
176 reg = <0x180000 0x80000>;
177 };
178
179 kernel@200000 {
180 label = "kernel";
181 reg = <0x200000 0x600000>;
182 };
183
184 rootfs@800000 {
185 label = "rootfs";
186 reg = <0x800000 0x1f800000>;
187 };
188 };
189 };
190 };
191 };
192
193 &flx0 {
194 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
195 status = "okay";
196
197 i2c0: i2c@600 {
198 dmas = <0>, <0>;
199 pinctrl-names = "default";
200 pinctrl-0 = <&pinctrl_flx0_default>;
201 i2c-analog-filter;
202 i2c-digital-filter;
203 i2c-digital-filter-width-ns = <35>;
204 status = "okay";
205
206 eeprom@53 {
207 compatible = "atmel,24c02";
208 reg = <0x53>;
209 pagesize = <16>;
210 };
211 };
212 };
213
214 &flx6 {
215 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
216 status = "okay";
217
218 i2c6: i2c@600 {
219 dmas = <0>, <0>;
220 pinctrl-names = "default";
221 pinctrl-0 = <&pinctrl_flx6_default>;
222 i2c-analog-filter;
223 i2c-digital-filter;
224 i2c-digital-filter-width-ns = <35>;
225 status = "disabled";
226 };
227 };
228
229 &flx7 {
230 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
231 status = "okay";
232
233 uart7: serial@200 {
234 pinctrl-names = "default";
235 pinctrl-0 = <&pinctrl_flx7_default>;
236 status = "okay";
237 };
238 };
239
240 &macb0 {
241 phy-mode = "rmii";
242 #address-cells = <1>;
243 #size-cells = <0>;
244 pinctrl-names = "default";
245 pinctrl-0 = <&pinctrl_macb0_rmii>;
246 status = "okay";
247
248 ethernet-phy@0 {
249 reg = <0x0>;
250 interrupt-parent = <&pioB>;
251 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
252 };
253 };
254
255 &pinctrl {
256 adc {
257 pinctrl_adc_default: adc-default {
258 atmel,pins = <AT91_PIOB 14 AT91_PERIPH_A AT91_PINCTRL_NONE>;
259 };
260
261 pinctrl_adtrg_default: adtrg-default {
262 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>;
263 };
264 };
265
266 can0 {
267 pinctrl_can0_rx_tx: can0-rx-tx {
268 atmel,pins =
269 <AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX0 */
270 AT91_PIOA 10 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANTX0 */
271 AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* Enable CAN Transceivers */
272 };
273 };
274
275 can1 {
276 pinctrl_can1_rx_tx: can1-rx-tx {
277 atmel,pins =
278 <AT91_PIOA 6 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANRX1 */
279 AT91_PIOA 5 AT91_PERIPH_B AT91_PINCTRL_NONE /* CANTX1 */
280 AT91_PIOB 17 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_DOWN>; /* Enable CAN Transceivers */
281 };
282 };
283
284 dbgu {
285 pinctrl_dbgu: dbgu-0 {
286 atmel,pins = <AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
287 AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE>;
288 };
289 };
290
291 ebi {
292 pinctrl_ebi_data_lsb: ebi-data-lsb {
293 atmel,pins =
294 <AT91_PIOD 6 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
295 AT91_PIOD 7 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
296 AT91_PIOD 8 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
297 AT91_PIOD 9 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
298 AT91_PIOD 10 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
299 AT91_PIOD 11 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
300 AT91_PIOD 12 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
301 AT91_PIOD 13 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
302 };
303
304 pinctrl_ebi_addr_nand: ebi-addr-nand {
305 atmel,pins =
306 <AT91_PIOD 2 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
307 AT91_PIOD 3 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
308 };
309 };
310
311 flexcom {
312 pinctrl_flx0_default: flx0-twi {
313 atmel,pins =
314 <AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
315 AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
316 };
317
318 pinctrl_flx6_default: flx6-twi {
319 atmel,pins =
320 <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_PULL_UP
321 AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>;
322 };
323
324 pinctrl_flx7_default: flx7-usart {
325 atmel,pins =
326 <AT91_PIOC 0 AT91_PERIPH_C AT91_PINCTRL_NONE
327 AT91_PIOC 1 AT91_PERIPH_C AT91_PINCTRL_NONE>;
328 };
329 };
330
331 gpio-keys {
332 pinctrl_key_gpio_default: pinctrl-key-gpio {
333 atmel,pins = <AT91_PIOA 29 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
334 };
335 };
336
337 leds {
338 pinctrl_gpio_leds: gpio-leds {
339 atmel,pins = <AT91_PIOD 17 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
340 AT91_PIOD 19 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
341 AT91_PIOD 21 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
342 };
343 };
344
345 macb0 {
346 pinctrl_macb0_rmii: macb0-rmii-0 {
347 atmel,pins =
348 <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB0 periph A */
349 AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB1 periph A */
350 AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB2 periph A */
351 AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB3 periph A */
352 AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB4 periph A */
353 AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB5 periph A */
354 AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB6 periph A */
355 AT91_PIOB 7 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB7 periph A */
356 AT91_PIOB 8 AT91_PERIPH_GPIO AT91_PINCTRL_NONE /* PB8 IRQ GPIO */
357 AT91_PIOB 9 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB9 periph A */
358 AT91_PIOB 10 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB10 periph A */
359 };
360 };
361
362 nand {
363 pinctrl_nand_oe_we: nand-oe-we-0 {
364 atmel,pins =
365 <AT91_PIOD 0 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)
366 AT91_PIOD 1 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>;
367 };
368
369 pinctrl_nand_rb: nand-rb-0 {
370 atmel,pins =
371 <AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
372 };
373
374 pinctrl_nand_cs: nand-cs-0 {
375 atmel,pins =
376 <AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
377 };
378 };
379
380 pwm0 {
381 pinctrl_pwm0_0: pwm0-0 {
382 atmel,pins = <AT91_PIOB 12 AT91_PERIPH_B AT91_PINCTRL_NONE>;
383 };
384
385 pinctrl_pwm0_1: pwm0-1 {
386 atmel,pins = <AT91_PIOB 13 AT91_PERIPH_B AT91_PINCTRL_NONE>;
387 };
388
389 pinctrl_pwm0_2: pwm0-2 {
390 atmel,pins = <AT91_PIOD 16 AT91_PERIPH_B AT91_PINCTRL_NONE>;
391 };
392 };
393
394 sdmmc0 {
395 pinctrl_sdmmc0_default: sdmmc0 {
396 atmel,pins =
397 <AT91_PIOA 17 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA17 CK periph A with pullup */
398 AT91_PIOA 16 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA16 CMD periph A with pullup */
399 AT91_PIOA 15 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA15 DAT0 periph A */
400 AT91_PIOA 18 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA18 DAT1 periph A with pullup */
401 AT91_PIOA 19 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA19 DAT2 periph A with pullup */
402 AT91_PIOA 20 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA20 DAT3 periph A with pullup */
403 };
404
405 pinctrl_sdmmc0_cd: sdmmc0-cd {
406 atmel,pins =
407 <AT91_PIOA 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
408 };
409 };
410
411 sdmmc1 {
412 pinctrl_sdmmc1_default: sdmmc1 {
413 atmel,pins =
414 <AT91_PIOA 13 AT91_PERIPH_B (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA13 CK periph B */
415 AT91_PIOA 12 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA12 CMD periph B with pullup */
416 AT91_PIOA 11 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA11 DAT0 periph B with pullup */
417 AT91_PIOA 2 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA2 DAT1 periph B with pullup */
418 AT91_PIOA 3 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA3 DAT2 periph B with pullup */
419 AT91_PIOA 4 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA4 DAT3 periph B with pullup */
420 };
421 };
422
423 usb0 {
424 pinctrl_usba_vbus: usba-vbus {
425 atmel,pins = <AT91_PIOA 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
426 };
427 };
428
429 usb1 {
430 pinctrl_usb_default: usb-default {
431 atmel,pins = <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE
432 AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
433 };
434 };
435 }; /* pinctrl */
436
437 &pwm0 {
438 pinctrl-names = "default";
439 pinctrl-0 = <&pinctrl_pwm0_0 &pinctrl_pwm0_1 &pinctrl_pwm0_2>;
440 status = "okay";
441 };
442
443 &rtt {
444 atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
445 };
446
447 &sdmmc0 {
448 bus-width = <4>;
449 pinctrl-names = "default";
450 pinctrl-0 = <&pinctrl_sdmmc0_default &pinctrl_sdmmc0_cd>;
451 cd-gpios = <&pioA 25 GPIO_ACTIVE_LOW>;
452 disable-wp;
453 status = "okay";
454 };
455
456 &sdmmc1 {
457 bus-width = <4>;
458 pinctrl-names = "default";
459 pinctrl-0 = <&pinctrl_sdmmc1_default>;
460 disable-wp;
461 status = "okay";
462 };
463
464 &shutdown_controller {
465 debounce-delay-us = <976>;
466 status = "okay";
467
468 input@0 {
469 reg = <0>;
470 };
471 };
472
473 &tcb0 {
474 timer0: timer@0 {
475 compatible = "atmel,tcb-timer";
476 reg = <0>;
477 };
478
479 timer1: timer@1 {
480 compatible = "atmel,tcb-timer";
481 reg = <1>;
482 };
483 };
484
485 &usb0 {
486 atmel,vbus-gpio = <&pioA 27 GPIO_ACTIVE_HIGH>;
487 pinctrl-names = "default";
488 pinctrl-0 = <&pinctrl_usba_vbus>;
489 status = "okay";
490 };
491
492 &usb1 {
493 num-ports = <3>;
494 atmel,vbus-gpio = <0
495 &pioD 18 GPIO_ACTIVE_HIGH
496 &pioD 15 GPIO_ACTIVE_HIGH>;
497 pinctrl-names = "default";
498 pinctrl-0 = <&pinctrl_usb_default>;
499 status = "okay";
500 };
501
502 &usb2 {
503 status = "okay";
504 };
505
506 &watchdog {
507 status = "okay";
508 };
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