src/arm/microchip/at91-sama5d2_icp.dts

   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 };