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 #address-cells = <1>; 202 #size-cells = <0>; 203 i2c-analog-filter; 204 i2c-digital-filter; 205 i2c-digital-filter-width-ns = <35>; 206 status = "okay"; 207 208 eeprom@53 { 209 compatible = "atmel,24c02"; 210 reg = <0x53>; 211 pagesize = <16>; 212 }; 213 }; 214}; 215 216&flx6 { 217 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>; 218 status = "okay"; 219 220 i2c6: i2c@600 { 221 dmas = <0>, <0>; 222 pinctrl-names = "default"; 223 pinctrl-0 = <&pinctrl_flx6_default>; 224 i2c-analog-filter; 225 i2c-digital-filter; 226 i2c-digital-filter-width-ns = <35>; 227 status = "disabled"; 228 }; 229}; 230 231&flx7 { 232 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>; 233 status = "okay"; 234 235 uart7: serial@200 { 236 pinctrl-names = "default"; 237 pinctrl-0 = <&pinctrl_flx7_default>; 238 status = "okay"; 239 }; 240}; 241 242&macb0 { 243 phy-mode = "rmii"; 244 #address-cells = <1>; 245 #size-cells = <0>; 246 pinctrl-names = "default"; 247 pinctrl-0 = <&pinctrl_macb0_rmii>; 248 status = "okay"; 249 250 ethernet-phy@0 { 251 reg = <0x0>; 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 9 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB9 periph A */ 357 AT91_PIOB 10 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB10 periph A */ 358 }; 359 }; 360 361 nand { 362 pinctrl_nand_oe_we: nand-oe-we-0 { 363 atmel,pins = 364 <AT91_PIOD 0 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) 365 AT91_PIOD 1 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>; 366 }; 367 368 pinctrl_nand_rb: nand-rb-0 { 369 atmel,pins = 370 <AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; 371 }; 372 373 pinctrl_nand_cs: nand-cs-0 { 374 atmel,pins = 375 <AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; 376 }; 377 }; 378 379 pwm0 { 380 pinctrl_pwm0_0: pwm0-0 { 381 atmel,pins = <AT91_PIOB 12 AT91_PERIPH_B AT91_PINCTRL_NONE>; 382 }; 383 384 pinctrl_pwm0_1: pwm0-1 { 385 atmel,pins = <AT91_PIOB 13 AT91_PERIPH_B AT91_PINCTRL_NONE>; 386 }; 387 388 pinctrl_pwm0_2: pwm0-2 { 389 atmel,pins = <AT91_PIOD 16 AT91_PERIPH_B AT91_PINCTRL_NONE>; 390 }; 391 }; 392 393 sdmmc0 { 394 pinctrl_sdmmc0_default: sdmmc0 { 395 atmel,pins = 396 <AT91_PIOA 17 AT91_PERIPH_A (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA17 CK periph A with pullup */ 397 AT91_PIOA 16 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA16 CMD periph A with pullup */ 398 AT91_PIOA 15 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA15 DAT0 periph A */ 399 AT91_PIOA 18 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA18 DAT1 periph A with pullup */ 400 AT91_PIOA 19 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA19 DAT2 periph A with pullup */ 401 AT91_PIOA 20 AT91_PERIPH_A (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA20 DAT3 periph A with pullup */ 402 }; 403 404 pinctrl_sdmmc0_cd: sdmmc0-cd { 405 atmel,pins = 406 <AT91_PIOA 25 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; 407 }; 408 }; 409 410 sdmmc1 { 411 pinctrl_sdmmc1_default: sdmmc1 { 412 atmel,pins = 413 <AT91_PIOA 13 AT91_PERIPH_B (AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA13 CK periph B */ 414 AT91_PIOA 12 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA12 CMD periph B with pullup */ 415 AT91_PIOA 11 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA11 DAT0 periph B with pullup */ 416 AT91_PIOA 2 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA2 DAT1 periph B with pullup */ 417 AT91_PIOA 3 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI) /* PA3 DAT2 periph B with pullup */ 418 AT91_PIOA 4 AT91_PERIPH_B (AT91_PINCTRL_PULL_UP | AT91_PINCTRL_DRIVE_STRENGTH_HI)>; /* PA4 DAT3 periph B with pullup */ 419 }; 420 }; 421 422 usb0 { 423 pinctrl_usba_vbus: usba-vbus { 424 atmel,pins = <AT91_PIOA 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; 425 }; 426 }; 427 428 usb1 { 429 pinctrl_usb_default: usb-default { 430 atmel,pins = <AT91_PIOD 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE 431 AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; 432 }; 433 }; 434}; /* pinctrl */ 435 436&pwm0 { 437 pinctrl-names = "default"; 438 pinctrl-0 = <&pinctrl_pwm0_0 &pinctrl_pwm0_1 &pinctrl_pwm0_2>; 439 status = "okay"; 440}; 441 442&sdmmc0 { 443 bus-width = <4>; 444 pinctrl-names = "default"; 445 pinctrl-0 = <&pinctrl_sdmmc0_default &pinctrl_sdmmc0_cd>; 446 cd-gpios = <&pioA 25 GPIO_ACTIVE_LOW>; 447 disable-wp; 448 status = "okay"; 449}; 450 451&sdmmc1 { 452 bus-width = <4>; 453 pinctrl-names = "default"; 454 pinctrl-0 = <&pinctrl_sdmmc1_default>; 455 disable-wp; 456 status = "okay"; 457}; 458 459&shutdown_controller { 460 debounce-delay-us = <976>; 461 status = "okay"; 462 463 input@0 { 464 reg = <0>; 465 }; 466}; 467 468&tcb0 { 469 timer0: timer@0 { 470 compatible = "atmel,tcb-timer"; 471 reg = <0>; 472 }; 473 474 timer1: timer@1 { 475 compatible = "atmel,tcb-timer"; 476 reg = <1>; 477 }; 478}; 479 480&usb0 { 481 atmel,vbus-gpio = <&pioA 27 GPIO_ACTIVE_HIGH>; 482 pinctrl-names = "default"; 483 pinctrl-0 = <&pinctrl_usba_vbus>; 484 status = "okay"; 485}; 486 487&usb1 { 488 num-ports = <3>; 489 atmel,vbus-gpio = <0 490 &pioD 18 GPIO_ACTIVE_HIGH 491 &pioD 15 GPIO_ACTIVE_HIGH>; 492 pinctrl-names = "default"; 493 pinctrl-0 = <&pinctrl_usb_default>; 494 status = "okay"; 495}; 496 497&usb2 { 498 status = "okay"; 499}; 500 501&watchdog { 502 status = "okay"; 503}; 504