1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * at91-sama5d2_icp.dts - Device Tree file for SAMA5D2-ICP board 4 * 5 * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries 6 * 7 * Author: Radu Pirea & Razvan Stefanescu, 8 * Codrin Ciubotariu <codrin.ciubotariu@microchip.com>, 9 * Cristian Birsan <cristian.birsan@microchip.com> 10 */ 11/dts-v1/; 12#include "sama5d2.dtsi" 13#include "sama5d2-pinfunc.h" 14#include <dt-bindings/gpio/gpio.h> 15#include <dt-bindings/input/input.h> 16#include <dt-bindings/mfd/atmel-flexcom.h> 17 18/ { 19 model = "Microchip SAMA5D2-ICP"; 20 compatible = "microchip,sama5d2-icp", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5"; 21 22 aliases { 23 serial0 = &uart0; /* debug uart0 + mikro BUS 1 */ 24 serial1 = &uart1; /* mikro BUS 3 */ 25 serial3 = &uart3; /* mikro BUS 2 */ 26 serial5 = &uart7; /* flx2 */ 27 i2c0 = &i2c0; 28 i2c1 = &i2c1; 29 }; 30 31 chosen { 32 stdout-path = "serial0:115200n8"; 33 }; 34 35 clocks { 36 slow_xtal { 37 clock-frequency = <32768>; 38 }; 39 40 main_xtal { 41 clock-frequency = <12000000>; 42 }; 43 }; 44 45 gpio-keys { 46 compatible = "gpio-keys"; 47 48 pinctrl-names = "default"; 49 pinctrl-0 = <&pinctrl_key_gpio_default>; 50 51 button-1 { 52 label = "USER_PB1"; 53 gpios = <&pioA PIN_PD0 GPIO_ACTIVE_LOW>; 54 linux,code = <KEY_PROG1>; 55 wakeup-source; 56 }; 57 }; 58 59 leds { 60 compatible = "gpio-leds"; 61 pinctrl-names = "default"; 62 pinctrl-0 = <&pinctrl_led_gpio_default>; 63 status = "okay"; /* conflict with pwm0 */ 64 65 led-red { 66 label = "red"; 67 gpios = <&pioA PIN_PB0 GPIO_ACTIVE_HIGH>; 68 }; 69 70 led-green { 71 label = "green"; 72 gpios = <&pioA PIN_PB1 GPIO_ACTIVE_HIGH>; 73 }; 74 75 led-blue { 76 label = "blue"; 77 gpios = <&pioA PIN_PA31 GPIO_ACTIVE_HIGH>; 78 linux,default-trigger = "heartbeat"; 79 }; 80 }; 81}; 82 83&adc { 84 vddana-supply = <&vdd_io_reg>; 85 vref-supply = <&vdd_io_reg>; 86 pinctrl-names = "default"; 87 pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>; 88 status = "okay"; 89}; 90 91&can0 { 92 pinctrl-names = "default"; 93 pinctrl-0 = <&pinctrl_can0_default>; 94 status = "okay"; 95}; 96 97&can1 { 98 pinctrl-names = "default"; 99 pinctrl-0 = <&pinctrl_can1_default>; 100 status = "okay"; 101}; 102 103&flx0 { /* mikrobus2 spi */ 104 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>; 105 status = "okay"; 106 107 spi2: spi@400 { 108 dmas = <0>, <0>; 109 cs-gpios = <&pioA PIN_PC0 GPIO_ACTIVE_LOW>; 110 pinctrl-names = "default"; 111 pinctrl-0 = <&pinctrl_mikrobus2_spi &pinctrl_ksz_spi_cs>; 112 status = "okay"; 113 #address-cells = <1>; 114 #size-cells = <0>; 115 116 switch0: ksz8563@0 { 117 compatible = "microchip,ksz8563"; 118 reg = <0>; 119 reset-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_LOW>; 120 121 spi-max-frequency = <500000>; 122 spi-cpha; 123 spi-cpol; 124 125 ports { 126 #address-cells = <1>; 127 #size-cells = <0>; 128 port@0 { 129 reg = <0>; 130 label = "lan1"; 131 }; 132 133 port@1 { 134 reg = <1>; 135 label = "lan2"; 136 }; 137 138 port@2 { 139 reg = <2>; 140 label = "cpu"; 141 ethernet = <&macb0>; 142 phy-mode = "mii"; 143 fixed-link { 144 speed = <100>; 145 full-duplex; 146 }; 147 }; 148 }; 149 }; 150 }; 151}; 152 153&flx2 { 154 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>; 155 status = "okay"; 156 157 uart7: serial@200 { 158 pinctrl-0 = <&pinctrl_flx2_default>; 159 pinctrl-names = "default"; 160 atmel,use-dma-rx; 161 atmel,use-dma-tx; 162 status = "okay"; /* Conflict w/ qspi1. */ 163 }; 164}; 165 166&flx3 { /* mikrobus1 spi */ 167 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>; 168 status = "okay"; 169 170 spi5: spi@400 { 171 dmas = <0>, <0>; 172 pinctrl-names = "default"; 173 pinctrl-0 = <&pinctrl_mikrobus1_spi &pinctrl_mikrobus1_spi_cs>; 174 status = "okay"; 175 }; 176}; 177 178&flx4 { 179 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>; 180 status = "okay"; 181 182 i2c6: i2c@600 { 183 dmas = <0>, <0>; 184 pinctrl-names = "default"; 185 pinctrl-0 = <&pinctrl_flx4_default>; 186 i2c-digital-filter; 187 i2c-digital-filter-width-ns = <35>; 188 status = "okay"; 189 190 mcp16502@5b { 191 compatible = "microchip,mcp16502"; 192 reg = <0x5b>; 193 status = "okay"; 194 lpm-gpios = <&pioBU 7 GPIO_ACTIVE_LOW>; 195 196 regulators { 197 vdd_io_reg: VDD_IO { 198 regulator-name = "VDD_IO"; 199 regulator-min-microvolt = <3300000>; 200 regulator-max-microvolt = <3300000>; 201 regulator-initial-mode = <2>; 202 regulator-allowed-modes = <2>, <4>; 203 regulator-always-on; 204 205 regulator-state-standby { 206 regulator-on-in-suspend; 207 regulator-mode = <4>; 208 }; 209 210 regulator-state-mem { 211 regulator-off-in-suspend; 212 regulator-mode = <4>; 213 }; 214 }; 215 216 VDD_DDR { 217 regulator-name = "VDD_DDR"; 218 regulator-min-microvolt = <1350000>; 219 regulator-max-microvolt = <1350000>; 220 regulator-initial-mode = <2>; 221 regulator-allowed-modes = <2>, <4>; 222 regulator-always-on; 223 224 regulator-state-standby { 225 regulator-on-in-suspend; 226 regulator-mode = <4>; 227 }; 228 229 regulator-state-mem { 230 regulator-on-in-suspend; 231 regulator-mode = <4>; 232 }; 233 }; 234 235 VDD_CORE { 236 regulator-name = "VDD_CORE"; 237 regulator-min-microvolt = <1250000>; 238 regulator-max-microvolt = <1250000>; 239 regulator-initial-mode = <2>; 240 regulator-allowed-modes = <2>, <4>; 241 regulator-always-on; 242 243 regulator-state-standby { 244 regulator-on-in-suspend; 245 regulator-mode = <4>; 246 }; 247 248 regulator-state-mem { 249 regulator-off-in-suspend; 250 regulator-mode = <4>; 251 }; 252 }; 253 254 VDD_OTHER { 255 regulator-name = "VDD_OTHER"; 256 regulator-min-microvolt = <600000>; 257 regulator-max-microvolt = <1850000>; 258 regulator-initial-mode = <2>; 259 regulator-allowed-modes = <2>, <4>; 260 261 regulator-state-standby { 262 regulator-on-in-suspend; 263 regulator-mode = <4>; 264 }; 265 266 regulator-state-mem { 267 regulator-off-in-suspend; 268 regulator-mode = <4>; 269 }; 270 }; 271 272 LDO1 { 273 regulator-name = "LDO1"; 274 regulator-min-microvolt = <2500000>; 275 regulator-max-microvolt = <2500000>; 276 regulator-always-on; 277 278 regulator-state-standby { 279 regulator-on-in-suspend; 280 }; 281 282 regulator-state-mem { 283 regulator-off-in-suspend; 284 }; 285 }; 286 287 LDO2 { 288 regulator-name = "LDO2"; 289 regulator-min-microvolt = <3300000>; 290 regulator-max-microvolt = <3300000>; 291 regulator-always-on; 292 293 regulator-state-standby { 294 regulator-on-in-suspend; 295 }; 296 297 regulator-state-mem { 298 regulator-off-in-suspend; 299 }; 300 }; 301 302 }; 303 }; 304 }; 305}; 306 307&i2c0 { /* mikrobus i2c */ 308 pinctrl-names = "default", "gpio"; 309 pinctrl-0 = <&pinctrl_mikrobus_i2c>; 310 pinctrl-1 = <&pinctrl_i2c0_gpio>; 311 sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>; 312 scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; 313 i2c-digital-filter; 314 i2c-digital-filter-width-ns = <35>; 315 status = "okay"; 316}; 317 318&i2c1 { 319 dmas = <0>, <0>; 320 pinctrl-names = "default", "gpio"; 321 pinctrl-0 = <&pinctrl_i2c1_default>; 322 pinctrl-1 = <&pinctrl_i2c1_gpio>; 323 sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>; 324 scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; 325 i2c-digital-filter; 326 i2c-digital-filter-width-ns = <35>; 327 status = "okay"; 328 329 eeprom@50 { 330 compatible = "atmel,24c02"; 331 reg = <0x50>; 332 pagesize = <16>; 333 status = "okay"; 334 }; 335 336 eeprom@52 { 337 compatible = "atmel,24c02"; 338 reg = <0x52>; 339 pagesize = <16>; 340 status = "disabled"; 341 }; 342 343 eeprom@53 { 344 compatible = "atmel,24c02"; 345 reg = <0x53>; 346 pagesize = <16>; 347 status = "disabled"; 348 }; 349}; 350 351&macb0 { 352 pinctrl-names = "default"; 353 pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq &pinctrl_macb0_rst>; 354 phy-mode = "mii"; 355 status = "okay"; 356 357 fixed-link { 358 speed = <100>; 359 full-duplex; 360 }; 361}; 362 363&pioA { 364 pinctrl_adc_default: adc_default { 365 pinmux = <PIN_PD24__GPIO>, 366 <PIN_PD25__GPIO>, 367 <PIN_PD26__GPIO>; 368 bias-disable; 369 }; 370 371 /* 372 * The ADTRG pin can work on any edge type. 373 * In here it's being pulled up, so need to 374 * connect it to ground to get an edge e.g. 375 * Trigger can be configured on falling, rise 376 * or any edge, and the pull-up can be changed 377 * to pull-down or left floating according to 378 * needs. 379 */ 380 pinctrl_adtrg_default: adtrg_default { 381 pinmux = <PIN_PD31__ADTRG>; 382 bias-pull-up; 383 }; 384 385 pinctrl_flx4_default: flx4_default { 386 pinmux = <PIN_PC28__FLEXCOM4_IO0>, 387 <PIN_PC29__FLEXCOM4_IO1>; 388 bias-disable; 389 }; 390 391 pinctrl_can0_default: can0_default { 392 pinmux = <PIN_PC10__CANTX0>, 393 <PIN_PC11__CANRX0>; 394 bias-disable; 395 }; 396 397 pinctrl_can1_default: can1_default { 398 pinmux = <PIN_PC26__CANTX1>, 399 <PIN_PC27__CANRX1>; 400 bias-disable; 401 }; 402 403 pinctrl_i2c1_default: i2c1_default { 404 pinmux = <PIN_PD19__TWD1>, 405 <PIN_PD20__TWCK1>; 406 bias-disable; 407 }; 408 409 pinctrl_i2c1_gpio: i2c1_gpio { 410 pinmux = <PIN_PD19__GPIO>, 411 <PIN_PD20__GPIO>; 412 bias-disable; 413 }; 414 415 pinctrl_key_gpio_default: key_gpio_default { 416 pinmux = <PIN_PD0__GPIO>; 417 bias-pull-up; 418 }; 419 420 pinctrl_led_gpio_default: led_gpio_default { 421 pinmux = <PIN_PB0__GPIO>, 422 <PIN_PB1__GPIO>, 423 <PIN_PA31__GPIO>; 424 bias-pull-up; 425 }; 426 427 pinctrl_qspi1_default: qspi1_default { 428 pinmux = <PIN_PA6__QSPI1_SCK>, 429 <PIN_PA7__QSPI1_IO0>, 430 <PIN_PA8__QSPI1_IO1>, 431 <PIN_PA9__QSPI1_IO2>, 432 <PIN_PA10__QSPI1_IO3>, 433 <PIN_PA11__QSPI1_CS>; 434 bias-disable; 435 }; 436 437 pinctrl_sdmmc0_default: sdmmc0_default { 438 cmd_data { 439 pinmux = <PIN_PA1__SDMMC0_CMD>, 440 <PIN_PA2__SDMMC0_DAT0>, 441 <PIN_PA3__SDMMC0_DAT1>, 442 <PIN_PA4__SDMMC0_DAT2>, 443 <PIN_PA5__SDMMC0_DAT3>; 444 bias-disable; 445 }; 446 447 ck_cd { 448 pinmux = <PIN_PA0__SDMMC0_CK>, 449 <PIN_PA13__SDMMC0_CD>; 450 bias-disable; 451 }; 452 }; 453 454 pinctrl_sdmmc1_default: sdmmc1_default { 455 cmd_data { 456 pinmux = <PIN_PA18__SDMMC1_DAT0>, 457 <PIN_PA19__SDMMC1_DAT1>, 458 <PIN_PA20__SDMMC1_DAT2>, 459 <PIN_PA21__SDMMC1_DAT3>; 460 bias-disable; 461 }; 462 463 ck_cd { 464 pinmux = <PIN_PA22__SDMMC1_CK>, 465 <PIN_PA28__SDMMC1_CMD>; 466 bias-disable; 467 }; 468 }; 469 470 pinctrl_mikrobus_i2c: mikrobus_i2c { 471 pinmux = <PIN_PD22__TWCK0>, 472 <PIN_PD21__TWD0>; 473 bias-disable; 474 }; 475 476 pinctrl_i2c0_gpio: i2c0_gpio { 477 pinmux = <PIN_PD21__GPIO>, 478 <PIN_PD22__GPIO>; 479 bias-disable; 480 }; 481 482 pinctrl_mikrobus1_an: mikrobus1_an { 483 pinmux = <PIN_PD26__GPIO>; 484 bias-disable; 485 }; 486 487 pinctrl_mikrobus1_rst: mikrobus1_rst { 488 pinmux = <PIN_PC5__GPIO>; 489 bias-disable; 490 }; 491 492 pinctrl_mikrobus1_spi_cs: mikrobus1_spi_cs { 493 pinmux = <PIN_PC21__FLEXCOM3_IO3>; 494 bias-disable; 495 }; 496 497 pinctrl_mikrobus1_spi: mikrobus1_spi { 498 pinmux = <PIN_PC20__FLEXCOM3_IO0>, 499 <PIN_PC19__FLEXCOM3_IO1>, 500 <PIN_PC18__FLEXCOM3_IO2>; 501 bias-disable; 502 }; 503 504 pinctrl_mikrobus1_pwm: mikrobus1_pwm { 505 pinmux = <PIN_PC4__TIOB1>; 506 bias-disable; 507 }; 508 509 pinctrl_mikrobus1_int: mikrobus1_int { 510 pinmux = <PIN_PC3__GPIO>; 511 bias-disable; 512 }; 513 514 pinctrl_mikrobus1_uart: mikrobus1_uart { 515 pinmux = <PIN_PB26__URXD0>, 516 <PIN_PB27__UTXD0>; 517 bias-disable; 518 }; 519 520 pinctrl_mikrobus2_an: mikrobus2_an { 521 pinmux = <PIN_PD25__GPIO>; 522 bias-disable; 523 }; 524 525 pinctrl_mikrobus2_rst: mikrobus2_rst { 526 pinmux = <PIN_PB24__GPIO>; 527 bias-disable; 528 }; 529 530 pinctrl_mikrobus2_spi_cs: mikrobus2_spi_cs { 531 pinmux = <PIN_PB31__FLEXCOM0_IO3>; 532 bias-disable; 533 }; 534 535 pinctrl_mikrobus2_spi: mikrobus2_spi { 536 pinmux = <PIN_PB28__FLEXCOM0_IO0>, 537 <PIN_PB29__FLEXCOM0_IO1>, 538 <PIN_PB30__FLEXCOM0_IO2>; 539 bias-disable; 540 }; 541 542 pinctrl_ksz_spi_cs: ksz_spi_cs { 543 pinmux = <PIN_PC0__GPIO>; 544 bias-disable; 545 }; 546 547 pinctrl_mikrobus2_pwm: mikrobus2_pwm { 548 pinmux = <PIN_PB23__TIOB2>; 549 bias-disable; 550 }; 551 552 pinctrl_mikrobus2_int: mikrobus2_int { 553 pinmux = <PIN_PB22__GPIO>; 554 bias-disable; 555 }; 556 557 pinctrl_mikrobus2_uart: mikrobus2_uart { 558 pinmux = <PIN_PC12__URXD3>, 559 <PIN_PC13__UTXD3>; 560 bias-disable; 561 }; 562 563 pinctrl_mikrobus3_an: mikrobus3_an { 564 pinmux = <PIN_PD24__GPIO>; 565 bias-disable; 566 }; 567 568 pinctrl_mikrobus3_rst: mikrobus3_rst { 569 pinmux = <PIN_PB21__GPIO>; 570 bias-disable; 571 }; 572 573 pinctrl_mikrobus3_spi_cs: mikrobus3_spi_cs { 574 pinmux = <PIN_PA17__SPI0_NPCS0>; 575 bias-disable; 576 }; 577 578 pinctrl_mikrobus3_spi: mikrobus3_spi { 579 pinmux = <PIN_PA14__SPI0_SPCK>, 580 <PIN_PA16__SPI0_MISO>, 581 <PIN_PA15__SPI0_MOSI>; 582 bias-disable; 583 }; 584 585 pinctrl_mikrobus3_pwm: mikrobus3_pwm { 586 pinmux = <PIN_PB20__TIOB3>; 587 bias-disable; 588 }; 589 590 pinctrl_mikrobus3_int: mikrobus3_int { 591 pinmux = <PIN_PB18__GPIO>; 592 bias-disable; 593 }; 594 595 pinctrl_mikrobus3_uart: mikrobus3_uart { 596 pinmux = <PIN_PC7__URXD1>, 597 <PIN_PC8__UTXD1>; 598 bias-disable; 599 }; 600 601 pinctrl_usb_default: usb_default { 602 pinmux = <PIN_PC17__GPIO>; 603 bias-disable; 604 }; 605 606 pinctrl_usba_vbus: usba_vbus { 607 pinmux = <PIN_PD23__GPIO>; 608 bias-disable; 609 }; 610 611 pinctrl_pwm0_pwm2_default: pwm0_pwm2_default { 612 pinmux = <PIN_PB5__PWMH2>, 613 <PIN_PB6__PWML2>; 614 bias-pull-up; 615 }; 616 617 pinctrl_macb0_default: macb0_default { 618 pinmux = <PIN_PD1__GRXCK>, 619 <PIN_PD2__GTXER>, 620 <PIN_PD5__GRX2>, 621 <PIN_PD6__GRX3>, 622 <PIN_PD7__GTX2>, 623 <PIN_PD8__GTX3>, 624 <PIN_PD9__GTXCK>, 625 <PIN_PD10__GTXEN>, 626 <PIN_PD11__GRXDV>, 627 <PIN_PD12__GRXER>, 628 <PIN_PD13__GRX0>, 629 <PIN_PD14__GRX1>, 630 <PIN_PD15__GTX0>, 631 <PIN_PD16__GTX1>, 632 <PIN_PD17__GMDC>, 633 <PIN_PD18__GMDIO>; 634 bias-disable; 635 }; 636 637 pinctrl_macb0_phy_irq: macb0_phy_irq { 638 pinmux = <PIN_PD3__GPIO>; 639 bias-disable; 640 }; 641 642 pinctrl_macb0_rst: macb0_sw_rst { 643 pinmux = <PIN_PD4__GPIO>; 644 bias-disable; 645 }; 646 647 pinctrl_flx2_default: flx2_default { 648 pinmux = <PIN_PA6__FLEXCOM2_IO0>, 649 <PIN_PA7__FLEXCOM2_IO1>, 650 <PIN_PA9__FLEXCOM2_IO3>, 651 <PIN_PA10__FLEXCOM2_IO4>; 652 bias-disable; 653 }; 654}; 655 656&pwm0 { 657 pinctrl-names = "default"; 658 pinctrl-0 = <&pinctrl_pwm0_pwm2_default>; 659 status = "disabled"; /* conflict with leds, HSIC */ 660}; 661 662&qspi1 { 663 pinctrl-names = "default"; 664 pinctrl-0 = <&pinctrl_qspi1_default>; 665 status = "disabled"; /* Conflict with wilc_pwrseq, flx2 */ 666 667 flash@0 { 668 #address-cells = <1>; 669 #size-cells = <1>; 670 compatible = "jedec,spi-nor"; 671 reg = <0>; 672 spi-max-frequency = <104000000>; 673 spi-cs-setup-ns = <7>; 674 spi-tx-bus-width = <4>; 675 spi-rx-bus-width = <4>; 676 m25p,fast-read; 677 678 at91bootstrap@0 { 679 label = "qspi: at91bootstrap"; 680 reg = <0x00000000 0x00040000>; 681 }; 682 683 bootloader@40000 { 684 label = "qspi: bootloader"; 685 reg = <0x00040000 0x000c0000>; 686 }; 687 688 bootloaderenvred@100000 { 689 label = "qspi: bootloader env redundant"; 690 reg = <0x00100000 0x00040000>; 691 }; 692 693 bootloaderenv@140000 { 694 label = "qspi: bootloader env"; 695 reg = <0x00140000 0x00040000>; 696 }; 697 698 dtb@180000 { 699 label = "qspi: device tree"; 700 reg = <0x00180000 0x00080000>; 701 }; 702 703 kernel@200000 { 704 label = "qspi: kernel"; 705 reg = <0x00200000 0x00600000>; 706 }; 707 }; 708}; 709 710&sdmmc0 { 711 no-1-8-v; 712 bus-width = <4>; 713 pinctrl-names = "default"; 714 pinctrl-0 = <&pinctrl_sdmmc0_default>; 715 status = "okay"; 716}; 717 718&shutdown_controller { 719 debounce-delay-us = <976>; 720 atmel,wakeup-rtc-timer; 721 722 input@0 { 723 reg = <0>; 724 }; 725}; 726 727&spi0 { /* mikrobus3 spi */ 728 pinctrl-names = "default"; 729 pinctrl-0 = <&pinctrl_mikrobus3_spi &pinctrl_mikrobus3_spi_cs>; 730 status = "okay"; 731}; 732 733&tcb0 { 734 timer0: timer@0 { 735 compatible = "atmel,tcb-timer"; 736 reg = <0>; 737 }; 738 739 timer1: timer@1 { 740 compatible = "atmel,tcb-timer"; 741 reg = <1>; 742 }; 743}; 744 745&uart0 { 746 pinctrl-names = "default"; 747 pinctrl-0 = <&pinctrl_mikrobus1_uart>; 748 atmel,use-dma-rx; 749 atmel,use-dma-tx; 750 status = "okay"; 751}; 752 753&uart1 { 754 pinctrl-names = "default"; 755 pinctrl-0 = <&pinctrl_mikrobus3_uart>; 756 atmel,use-dma-rx; 757 atmel,use-dma-tx; 758 status = "okay"; 759}; 760 761&uart3 { 762 pinctrl-names = "default"; 763 pinctrl-0 = <&pinctrl_mikrobus2_uart>; 764 atmel,use-dma-rx; 765 atmel,use-dma-tx; 766 status = "okay"; 767}; 768 769&usb0 { 770 atmel,vbus-gpio = <&pioA PIN_PD23 GPIO_ACTIVE_HIGH>; 771 pinctrl-names = "default"; 772 pinctrl-0 = <&pinctrl_usba_vbus>; 773 status = "okay"; 774}; 775 776&usb1 { 777 num-ports = <3>; 778 pinctrl-names = "default"; 779 pinctrl-0 = <&pinctrl_usb_default>; 780 status = "okay"; 781}; 782 783&usb2 { 784 phy_type = "hsic"; 785 status = "okay"; 786}; 787 788&watchdog { 789 status = "okay"; 790}; 791