src/arm/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/mfd/atmel-flexcom.h>
  16
  17 / {
  18         model = "Microchip SAMA5D2-ICP";
  19         compatible = "microchip,sama5d2-icp", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
  20
  21         aliases {
  22                 serial0 = &uart0;       /* debug uart0 + mikro BUS 1 */
  23                 serial1 = &uart1;       /* mikro BUS 3 */
  24                 serial3 = &uart3;       /* mikro BUS 2 */
  25                 serial5 = &uart7;       /* flx2 */
  26                 i2c0    = &i2c0;
  27                 i2c1    = &i2c1;
  28         };
  29
  30         chosen {
  31                 stdout-path = "serial0:115200n8";
  32         };
  33
  34         clocks {
  35                 slow_xtal {
  36                         clock-frequency = <32768>;
  37                 };
  38
  39                 main_xtal {
  40                         clock-frequency = <12000000>;
  41                 };
  42         };
  43
  44         gpio_keys {
  45                 compatible = "gpio-keys";
  46
  47                 pinctrl-names = "default";
  48                 pinctrl-0 = <&pinctrl_key_gpio_default>;
  49                 status = "okay";
  50
  51                 sw4 {
  52                         label = "USER_PB1";
  53                         gpios = <&pioA PIN_PD0 GPIO_ACTIVE_LOW>;
  54                         linux,code = <0x104>;
  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                 red {
  66                         label = "red";
  67                         gpios = <&pioA PIN_PB0 GPIO_ACTIVE_HIGH>;
  68                 };
  69
  70                 green {
  71                         label = "green";
  72                         gpios = <&pioA PIN_PB1 GPIO_ACTIVE_HIGH>;
  73                 };
  74
  75                 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                         phy-mode = "mii";
 120                         reset-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_LOW>;
 121
 122                         spi-max-frequency = <500000>;
 123                         spi-cpha;
 124                         spi-cpol;
 125
 126                         ports {
 127                                 #address-cells = <1>;
 128                                 #size-cells = <0>;
 129                                 port@0 {
 130                                         reg = <0>;
 131                                         label = "lan1";
 132                                 };
 133
 134                                 port@1 {
 135                                         reg = <1>;
 136                                         label = "lan2";
 137                                 };
 138
 139                                 port@2 {
 140                                         reg = <2>;
 141                                         label = "cpu";
 142                                         ethernet = <&macb0>;
 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                 status = "okay";
 187
 188                 mcp16502@5b {
 189                         compatible = "microchip,mcp16502";
 190                         reg = <0x5b>;
 191                         status = "okay";
 192                         lpm-gpios = <&pioBU 7 GPIO_ACTIVE_LOW>;
 193
 194                         regulators {
 195                                 vdd_io_reg: VDD_IO {
 196                                         regulator-name = "VDD_IO";
 197                                         regulator-min-microvolt = <1200000>;
 198                                         regulator-max-microvolt = <3700000>;
 199                                         regulator-initial-mode = <2>;
 200                                         regulator-allowed-modes = <2>, <4>;
 201                                         regulator-always-on;
 202
 203                                         regulator-state-standby {
 204                                                 regulator-on-in-suspend;
 205                                                 regulator-mode = <4>;
 206                                         };
 207
 208                                         regulator-state-mem {
 209                                                 regulator-off-in-suspend;
 210                                                 regulator-mode = <4>;
 211                                         };
 212                                 };
 213
 214                                 VDD_DDR {
 215                                         regulator-name = "VDD_DDR";
 216                                         regulator-min-microvolt = <600000>;
 217                                         regulator-max-microvolt = <1850000>;
 218                                         regulator-initial-mode = <2>;
 219                                         regulator-allowed-modes = <2>, <4>;
 220                                         regulator-always-on;
 221
 222                                         regulator-state-standby {
 223                                                 regulator-on-in-suspend;
 224                                                 regulator-mode = <4>;
 225                                         };
 226
 227                                         regulator-state-mem {
 228                                                 regulator-on-in-suspend;
 229                                                 regulator-mode = <4>;
 230                                         };
 231                                 };
 232
 233                                 VDD_CORE {
 234                                         regulator-name = "VDD_CORE";
 235                                         regulator-min-microvolt = <600000>;
 236                                         regulator-max-microvolt = <1850000>;
 237                                         regulator-initial-mode = <2>;
 238                                         regulator-allowed-modes = <2>, <4>;
 239                                         regulator-always-on;
 240
 241                                         regulator-state-standby {
 242                                                 regulator-on-in-suspend;
 243                                                 regulator-mode = <4>;
 244                                         };
 245
 246                                         regulator-state-mem {
 247                                                 regulator-off-in-suspend;
 248                                                 regulator-mode = <4>;
 249                                         };
 250                                 };
 251
 252                                 VDD_OTHER {
 253                                         regulator-name = "VDD_OTHER";
 254                                         regulator-min-microvolt = <600000>;
 255                                         regulator-max-microvolt = <1850000>;
 256                                         regulator-initial-mode = <2>;
 257                                         regulator-allowed-modes = <2>, <4>;
 258                                         regulator-always-on;
 259
 260                                         regulator-state-standby {
 261                                                 regulator-on-in-suspend;
 262                                                 regulator-mode = <4>;
 263                                         };
 264
 265                                         regulator-state-mem {
 266                                                 regulator-off-in-suspend;
 267                                                 regulator-mode = <4>;
 268                                         };
 269                                 };
 270
 271                                 LDO1 {
 272                                         regulator-name = "LDO1";
 273                                         regulator-min-microvolt = <1200000>;
 274                                         regulator-max-microvolt = <3700000>;
 275                                         regulator-always-on;
 276
 277                                         regulator-state-standby {
 278                                                 regulator-on-in-suspend;
 279                                         };
 280
 281                                         regulator-state-mem {
 282                                                 regulator-off-in-suspend;
 283                                         };
 284                                 };
 285
 286                                 LDO2 {
 287                                         regulator-name = "LDO2";
 288                                         regulator-min-microvolt = <1200000>;
 289                                         regulator-max-microvolt = <3700000>;
 290                                         regulator-always-on;
 291
 292                                         regulator-state-standby {
 293                                                 regulator-on-in-suspend;
 294                                         };
 295
 296                                         regulator-state-mem {
 297                                                 regulator-off-in-suspend;
 298                                         };
 299                                 };
 300
 301                         };
 302                 };
 303         };
 304 };
 305
 306 &i2c0 { /* mikrobus i2c */
 307         pinctrl-names = "default";
 308         pinctrl-0 = <&pinctrl_mikrobus_i2c>;
 309         status = "okay";
 310 };
 311
 312 &i2c1 {
 313         dmas = <0>, <0>;
 314         pinctrl-names = "default";
 315         pinctrl-0 = <&pinctrl_i2c1_default>;
 316         status = "okay";
 317
 318         eeprom@50 {
 319                 compatible = "atmel,24c32";
 320                 reg = <0x50>;
 321                 pagesize = <16>;
 322                 status = "okay";
 323         };
 324
 325         eeprom@52 {
 326                 compatible = "atmel,24c32";
 327                 reg = <0x52>;
 328                 pagesize = <16>;
 329                 status = "disabled";
 330         };
 331
 332         eeprom@53 {
 333                 compatible = "atmel,24c32";
 334                 reg = <0x53>;
 335                 pagesize = <16>;
 336                 status = "disabled";
 337         };
 338 };
 339
 340 &macb0 {
 341         pinctrl-names = "default";
 342         pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq &pinctrl_macb0_rst>;
 343         phy-mode = "mii";
 344         status = "okay";
 345
 346         fixed-link {
 347                 speed = <100>;
 348                 full-duplex;
 349         };
 350 };
 351
 352 &pioA {
 353         pinctrl_adc_default: adc_default {
 354                 pinmux = <PIN_PD24__GPIO>,
 355                                 <PIN_PD25__GPIO>,
 356                                 <PIN_PD26__GPIO>;
 357                 bias-disable;
 358         };
 359
 360         /*
 361          * The ADTRG pin can work on any edge type.
 362          * In here it's being pulled up, so need to
 363          * connect it to ground to get an edge e.g.
 364          * Trigger can be configured on falling, rise
 365          * or any edge, and the pull-up can be changed
 366          * to pull-down or left floating according to
 367          * needs.
 368          */
 369         pinctrl_adtrg_default: adtrg_default {
 370                 pinmux = <PIN_PD31__ADTRG>;
 371                 bias-pull-up;
 372         };
 373
 374         pinctrl_flx4_default: flx4_default {
 375                 pinmux = <PIN_PC28__FLEXCOM4_IO0>,
 376                          <PIN_PC29__FLEXCOM4_IO1>;
 377                 bias-disable;
 378         };
 379
 380         pinctrl_can0_default: can0_default {
 381                 pinmux = <PIN_PC10__CANTX0>,
 382                          <PIN_PC11__CANRX0>;
 383                 bias-disable;
 384         };
 385
 386         pinctrl_can1_default: can1_default {
 387                 pinmux = <PIN_PC26__CANTX1>,
 388                          <PIN_PC27__CANRX1>;
 389                 bias-disable;
 390         };
 391
 392         pinctrl_i2c1_default: i2c1_default {
 393                 pinmux = <PIN_PD19__TWD1>,
 394                          <PIN_PD20__TWCK1>;
 395                 bias-disable;
 396         };
 397
 398         pinctrl_key_gpio_default: key_gpio_default {
 399                 pinmux = <PIN_PD0__GPIO>;
 400                 bias-pull-up;
 401         };
 402
 403         pinctrl_led_gpio_default: led_gpio_default {
 404                 pinmux = <PIN_PB0__GPIO>,
 405                          <PIN_PB1__GPIO>,
 406                          <PIN_PA31__GPIO>;
 407                 bias-pull-up;
 408         };
 409
 410         pinctrl_qspi1_default: qspi1_default {
 411                 pinmux = <PIN_PA6__QSPI1_SCK>,
 412                          <PIN_PA7__QSPI1_IO0>,
 413                          <PIN_PA8__QSPI1_IO1>,
 414                          <PIN_PA9__QSPI1_IO2>,
 415                          <PIN_PA10__QSPI1_IO3>,
 416                          <PIN_PA11__QSPI1_CS>;
 417                 bias-disable;
 418         };
 419
 420         pinctrl_sdmmc0_default: sdmmc0_default {
 421                 cmd_data {
 422                         pinmux = <PIN_PA1__SDMMC0_CMD>,
 423                                  <PIN_PA2__SDMMC0_DAT0>,
 424                                  <PIN_PA3__SDMMC0_DAT1>,
 425                                  <PIN_PA4__SDMMC0_DAT2>,
 426                                  <PIN_PA5__SDMMC0_DAT3>;
 427                         bias-disable;
 428                 };
 429
 430                 ck_cd {
 431                         pinmux = <PIN_PA0__SDMMC0_CK>,
 432                                  <PIN_PA13__SDMMC0_CD>;
 433                         bias-disable;
 434                 };
 435         };
 436
 437         pinctrl_sdmmc1_default: sdmmc1_default {
 438                 cmd_data {
 439                         pinmux = <PIN_PA18__SDMMC1_DAT0>,
 440                                  <PIN_PA19__SDMMC1_DAT1>,
 441                                  <PIN_PA20__SDMMC1_DAT2>,
 442                                  <PIN_PA21__SDMMC1_DAT3>;
 443                         bias-disable;
 444                 };
 445
 446                 ck_cd {
 447                         pinmux = <PIN_PA22__SDMMC1_CK>,
 448                                  <PIN_PA28__SDMMC1_CMD>;
 449                         bias-disable;
 450                 };
 451         };
 452
 453         pinctrl_mikrobus_i2c: mikrobus_i2c {
 454                 pinmux = <PIN_PD22__TWCK0>,
 455                          <PIN_PD21__TWD0>;
 456                 bias-disable;
 457         };
 458
 459         pinctrl_mikrobus1_an: mikrobus1_an {
 460                 pinmux = <PIN_PD26__GPIO>;
 461                 bias-disable;
 462         };
 463
 464         pinctrl_mikrobus1_rst: mikrobus1_rst {
 465                 pinmux = <PIN_PC5__GPIO>;
 466                 bias-disable;
 467         };
 468
 469         pinctrl_mikrobus1_spi_cs: mikrobus1_spi_cs {
 470                 pinmux = <PIN_PC21__FLEXCOM3_IO3>;
 471                 bias-disable;
 472         };
 473
 474         pinctrl_mikrobus1_spi: mikrobus1_spi {
 475                 pinmux = <PIN_PC20__FLEXCOM3_IO0>,
 476                          <PIN_PC19__FLEXCOM3_IO1>,
 477                          <PIN_PC18__FLEXCOM3_IO2>;
 478                 bias-disable;
 479         };
 480
 481         pinctrl_mikrobus1_pwm: mikrobus1_pwm {
 482                 pinmux = <PIN_PC4__TIOB1>;
 483                 bias-disable;
 484         };
 485
 486         pinctrl_mikrobus1_int: mikrobus1_int {
 487                 pinmux = <PIN_PC3__GPIO>;
 488                 bias-disable;
 489         };
 490
 491         pinctrl_mikrobus1_uart: mikrobus1_uart {
 492                 pinmux = <PIN_PB26__URXD0>,
 493                          <PIN_PB27__UTXD0>;
 494                 bias-disable;
 495         };
 496
 497         pinctrl_mikrobus2_an: mikrobus2_an {
 498                 pinmux = <PIN_PD25__GPIO>;
 499                 bias-disable;
 500         };
 501
 502         pinctrl_mikrobus2_rst: mikrobus2_rst {
 503                 pinmux = <PIN_PB24__GPIO>;
 504                 bias-disable;
 505         };
 506
 507         pinctrl_mikrobus2_spi_cs: mikrobus2_spi_cs {
 508                 pinmux = <PIN_PB31__FLEXCOM0_IO3>;
 509                 bias-disable;
 510         };
 511
 512         pinctrl_mikrobus2_spi: mikrobus2_spi {
 513                 pinmux = <PIN_PB28__FLEXCOM0_IO0>,
 514                          <PIN_PB29__FLEXCOM0_IO1>,
 515                          <PIN_PB30__FLEXCOM0_IO2>;
 516                 bias-disable;
 517         };
 518
 519         pinctrl_ksz_spi_cs: ksz_spi_cs {
 520                 pinmux = <PIN_PC0__GPIO>;
 521                 bias-disable;
 522         };
 523
 524         pinctrl_mikrobus2_pwm: mikrobus2_pwm {
 525                 pinmux = <PIN_PB23__TIOB2>;
 526                 bias-disable;
 527         };
 528
 529         pinctrl_mikrobus2_int: mikrobus2_int {
 530                 pinmux = <PIN_PB22__GPIO>;
 531                 bias-disable;
 532         };
 533
 534         pinctrl_mikrobus2_uart: mikrobus2_uart {
 535                 pinmux = <PIN_PC12__URXD3>,
 536                          <PIN_PC13__UTXD3>;
 537                 bias-disable;
 538         };
 539
 540         pinctrl_mikrobus3_an: mikrobus3_an {
 541                 pinmux = <PIN_PD24__GPIO>;
 542                 bias-disable;
 543         };
 544
 545         pinctrl_mikrobus3_rst: mikrobus3_rst {
 546                 pinmux = <PIN_PB21__GPIO>;
 547                 bias-disable;
 548         };
 549
 550         pinctrl_mikrobus3_spi_cs: mikrobus3_spi_cs {
 551                 pinmux = <PIN_PA17__SPI0_NPCS0>;
 552                 bias-disable;
 553         };
 554
 555         pinctrl_mikrobus3_spi: mikrobus3_spi {
 556                 pinmux = <PIN_PA14__SPI0_SPCK>,
 557                          <PIN_PA16__SPI0_MISO>,
 558                          <PIN_PA15__SPI0_MOSI>;
 559                 bias-disable;
 560         };
 561
 562         pinctrl_mikrobus3_pwm: mikrobus3_pwm {
 563                 pinmux = <PIN_PB20__TIOB3>;
 564                 bias-disable;
 565         };
 566
 567         pinctrl_mikrobus3_int: mikrobus3_int {
 568                 pinmux = <PIN_PB18__GPIO>;
 569                 bias-disable;
 570         };
 571
 572         pinctrl_mikrobus3_uart: mikrobus3_uart {
 573                 pinmux = <PIN_PC7__URXD1>,
 574                          <PIN_PC8__UTXD1>;
 575                 bias-disable;
 576         };
 577
 578         pinctrl_usb_default: usb_default {
 579                 pinmux = <PIN_PC17__GPIO>;
 580                 bias-disable;
 581         };
 582
 583         pinctrl_usba_vbus: usba_vbus {
 584                 pinmux = <PIN_PD23__GPIO>;
 585                 bias-disable;
 586         };
 587
 588         pinctrl_pwm0_pwm2_default: pwm0_pwm2_default {
 589                 pinmux = <PIN_PB5__PWMH2>,
 590                          <PIN_PB6__PWML2>;
 591                 bias-pull-up;
 592         };
 593
 594         pinctrl_macb0_default: macb0_default {
 595                 pinmux = <PIN_PD1__GRXCK>,
 596                          <PIN_PD2__GTXER>,
 597                          <PIN_PD5__GRX2>,
 598                          <PIN_PD6__GRX3>,
 599                          <PIN_PD7__GTX2>,
 600                          <PIN_PD8__GTX3>,
 601                          <PIN_PD9__GTXCK>,
 602                          <PIN_PD10__GTXEN>,
 603                          <PIN_PD11__GRXDV>,
 604                          <PIN_PD12__GRXER>,
 605                          <PIN_PD13__GRX0>,
 606                          <PIN_PD14__GRX1>,
 607                          <PIN_PD15__GTX0>,
 608                          <PIN_PD16__GTX1>,
 609                          <PIN_PD17__GMDC>,
 610                          <PIN_PD18__GMDIO>;
 611                 bias-disable;
 612         };
 613
 614         pinctrl_macb0_phy_irq: macb0_phy_irq {
 615                 pinmux = <PIN_PD3__GPIO>;
 616                 bias-disable;
 617         };
 618
 619         pinctrl_macb0_rst: macb0_sw_rst {
 620                 pinmux = <PIN_PD4__GPIO>;
 621                 bias-disable;
 622         };
 623
 624         pinctrl_flx2_default: flx2_default {
 625                 pinmux = <PIN_PA6__FLEXCOM2_IO0>,
 626                          <PIN_PA7__FLEXCOM2_IO1>,
 627                          <PIN_PA9__FLEXCOM2_IO3>,
 628                          <PIN_PA10__FLEXCOM2_IO4>;
 629                 bias-disable;
 630         };
 631 };
 632
 633 &pwm0 {
 634         pinctrl-names = "default";
 635         pinctrl-0 = <&pinctrl_pwm0_pwm2_default>;
 636         status = "disabled"; /* conflict with leds, HSIC */
 637 };
 638
 639 &qspi1 {
 640         pinctrl-names = "default";
 641         pinctrl-0 = <&pinctrl_qspi1_default>;
 642         status = "disabled"; /* Conflict with wilc_pwrseq, flx2 */
 643
 644         flash@0 {
 645                 #address-cells = <1>;
 646                 #size-cells = <1>;
 647                 compatible = "jedec,spi-nor";
 648                 reg = <0>;
 649                 spi-max-frequency = <80000000>;
 650                 spi-tx-bus-width = <4>;
 651                 spi-rx-bus-width = <4>;
 652                 m25p,fast-read;
 653
 654                 at91bootstrap@0 {
 655                         label = "qspi: at91bootstrap";
 656                         reg = <0x00000000 0x00040000>;
 657                 };
 658
 659                 bootloader@40000 {
 660                         label = "qspi: bootloader";
 661                         reg = <0x00040000 0x000c0000>;
 662                 };
 663
 664                 bootloaderenvred@100000 {
 665                         label = "qspi: bootloader env redundant";
 666                         reg = <0x00100000 0x00040000>;
 667                 };
 668
 669                 bootloaderenv@140000 {
 670                         label = "qspi: bootloader env";
 671                         reg = <0x00140000 0x00040000>;
 672                 };
 673
 674                 dtb@180000 {
 675                         label = "qspi: device tree";
 676                         reg = <0x00180000 0x00080000>;
 677                 };
 678
 679                 kernel@200000 {
 680                         label = "qspi: kernel";
 681                         reg = <0x00200000 0x00600000>;
 682                 };
 683         };
 684 };
 685
 686 &sdmmc0 {
 687         no-1-8-v;
 688         bus-width = <4>;
 689         pinctrl-names = "default";
 690         pinctrl-0 = <&pinctrl_sdmmc0_default>;
 691         status = "okay";
 692 };
 693
 694 &shutdown_controller {
 695         atmel,shdwc-debouncer = <976>;
 696         atmel,wakeup-rtc-timer;
 697
 698         input@0 {
 699                 reg = <0>;
 700                 atmel,wakeup-type = "low";
 701         };
 702 };
 703
 704 &spi0 {  /* mikrobus3 spi */
 705         pinctrl-names = "default";
 706         pinctrl-0 = <&pinctrl_mikrobus3_spi &pinctrl_mikrobus3_spi_cs>;
 707         status = "okay";
 708 };
 709
 710 &tcb0 {
 711         timer0: timer@0 {
 712                 compatible = "atmel,tcb-timer";
 713                 reg = <0>;
 714         };
 715
 716         timer1: timer@1 {
 717                 compatible = "atmel,tcb-timer";
 718                 reg = <1>;
 719         };
 720 };
 721
 722 &uart0 {
 723         pinctrl-names = "default";
 724         pinctrl-0 = <&pinctrl_mikrobus1_uart>;
 725         atmel,use-dma-rx;
 726         atmel,use-dma-tx;
 727         status = "okay";
 728 };
 729
 730 &uart1 {
 731         pinctrl-names = "default";
 732         pinctrl-0 = <&pinctrl_mikrobus3_uart>;
 733         atmel,use-dma-rx;
 734         atmel,use-dma-tx;
 735         status = "okay";
 736 };
 737
 738 &uart3 {
 739         pinctrl-names = "default";
 740         pinctrl-0 = <&pinctrl_mikrobus2_uart>;
 741         atmel,use-dma-rx;
 742         atmel,use-dma-tx;
 743         status = "okay";
 744 };
 745
 746 &usb0 {
 747         atmel,vbus-gpio = <&pioA PIN_PD23 GPIO_ACTIVE_HIGH>;
 748         pinctrl-names = "default";
 749         pinctrl-0 = <&pinctrl_usba_vbus>;
 750         status = "okay";
 751 };
 752
 753 &usb1 {
 754         num-ports = <3>;
 755         pinctrl-names = "default";
 756         pinctrl-0 = <&pinctrl_usb_default>;
 757         status = "okay";
 758 };
 759
 760 &usb2 {
 761         phy_type = "hsic";
 762         status = "okay";
 763 };
 764
 765 &watchdog {
 766         status = "okay";
 767 };