arch/arm/boot/dts/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                 status = "okay";
  51
  52                 sw4 {
  53                         label = "USER_PB1";
  54                         gpios = <&pioA PIN_PD0 GPIO_ACTIVE_LOW>;
  55                         linux,code = <KEY_PROG1>;
  56                         wakeup-source;
  57                 };
  58         };
  59
  60         leds {
  61                 compatible = "gpio-leds";
  62                 pinctrl-names = "default";
  63                 pinctrl-0 = <&pinctrl_led_gpio_default>;
  64                 status = "okay"; /* conflict with pwm0 */
  65
  66                 red {
  67                         label = "red";
  68                         gpios = <&pioA PIN_PB0 GPIO_ACTIVE_HIGH>;
  69                 };
  70
  71                 green {
  72                         label = "green";
  73                         gpios = <&pioA PIN_PB1 GPIO_ACTIVE_HIGH>;
  74                 };
  75
  76                 blue {
  77                         label = "blue";
  78                         gpios = <&pioA PIN_PA31 GPIO_ACTIVE_HIGH>;
  79                         linux,default-trigger = "heartbeat";
  80                 };
  81         };
  82 };
  83
  84 &adc {
  85         vddana-supply = <&vdd_io_reg>;
  86         vref-supply = <&vdd_io_reg>;
  87         pinctrl-names = "default";
  88         pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
  89         status = "okay";
  90 };
  91
  92 &can0 {
  93         pinctrl-names = "default";
  94         pinctrl-0 = <&pinctrl_can0_default>;
  95         status = "okay";
  96 };
  97
  98 &can1 {
  99         pinctrl-names = "default";
 100         pinctrl-0 = <&pinctrl_can1_default>;
 101         status = "okay";
 102 };
 103
 104 &flx0 { /* mikrobus2 spi */
 105         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
 106         status = "okay";
 107
 108         spi2: spi@400 {
 109                 dmas = <0>, <0>;
 110                 cs-gpios = <&pioA PIN_PC0 GPIO_ACTIVE_LOW>;
 111                 pinctrl-names = "default";
 112                 pinctrl-0 = <&pinctrl_mikrobus2_spi &pinctrl_ksz_spi_cs>;
 113                 status = "okay";
 114                 #address-cells = <1>;
 115                 #size-cells = <0>;
 116
 117                 switch0: ksz8563@0 {
 118                         compatible = "microchip,ksz8563";
 119                         reg = <0>;
 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                                         phy-mode = "mii";
 144                                         fixed-link {
 145                                                 speed = <100>;
 146                                                 full-duplex;
 147                                         };
 148                                 };
 149                         };
 150                 };
 151         };
 152 };
 153
 154 &flx2 {
 155         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
 156         status = "okay";
 157
 158         uart7: serial@200 {
 159                 pinctrl-0 = <&pinctrl_flx2_default>;
 160                 pinctrl-names = "default";
 161                 atmel,use-dma-rx;
 162                 atmel,use-dma-tx;
 163                 status = "okay"; /* Conflict w/ qspi1. */
 164         };
 165 };
 166
 167 &flx3 { /* mikrobus1 spi */
 168         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
 169         status = "okay";
 170
 171         spi5: spi@400 {
 172                 dmas = <0>, <0>;
 173                 pinctrl-names = "default";
 174                 pinctrl-0 = <&pinctrl_mikrobus1_spi &pinctrl_mikrobus1_spi_cs>;
 175                 status = "okay";
 176         };
 177 };
 178
 179 &flx4 {
 180         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
 181         status = "okay";
 182
 183         i2c6: i2c@600 {
 184                 dmas = <0>, <0>;
 185                 pinctrl-names = "default";
 186                 pinctrl-0 = <&pinctrl_flx4_default>;
 187                 i2c-digital-filter;
 188                 i2c-digital-filter-width-ns = <35>;
 189                 status = "okay";
 190
 191                 mcp16502@5b {
 192                         compatible = "microchip,mcp16502";
 193                         reg = <0x5b>;
 194                         status = "okay";
 195                         lpm-gpios = <&pioBU 7 GPIO_ACTIVE_LOW>;
 196
 197                         regulators {
 198                                 vdd_io_reg: VDD_IO {
 199                                         regulator-name = "VDD_IO";
 200                                         regulator-min-microvolt = <1200000>;
 201                                         regulator-max-microvolt = <3700000>;
 202                                         regulator-initial-mode = <2>;
 203                                         regulator-allowed-modes = <2>, <4>;
 204                                         regulator-always-on;
 205
 206                                         regulator-state-standby {
 207                                                 regulator-on-in-suspend;
 208                                                 regulator-mode = <4>;
 209                                         };
 210
 211                                         regulator-state-mem {
 212                                                 regulator-off-in-suspend;
 213                                                 regulator-mode = <4>;
 214                                         };
 215                                 };
 216
 217                                 VDD_DDR {
 218                                         regulator-name = "VDD_DDR";
 219                                         regulator-min-microvolt = <600000>;
 220                                         regulator-max-microvolt = <1850000>;
 221                                         regulator-initial-mode = <2>;
 222                                         regulator-allowed-modes = <2>, <4>;
 223                                         regulator-always-on;
 224
 225                                         regulator-state-standby {
 226                                                 regulator-on-in-suspend;
 227                                                 regulator-mode = <4>;
 228                                         };
 229
 230                                         regulator-state-mem {
 231                                                 regulator-on-in-suspend;
 232                                                 regulator-mode = <4>;
 233                                         };
 234                                 };
 235
 236                                 VDD_CORE {
 237                                         regulator-name = "VDD_CORE";
 238                                         regulator-min-microvolt = <600000>;
 239                                         regulator-max-microvolt = <1850000>;
 240                                         regulator-initial-mode = <2>;
 241                                         regulator-allowed-modes = <2>, <4>;
 242                                         regulator-always-on;
 243
 244                                         regulator-state-standby {
 245                                                 regulator-on-in-suspend;
 246                                                 regulator-mode = <4>;
 247                                         };
 248
 249                                         regulator-state-mem {
 250                                                 regulator-off-in-suspend;
 251                                                 regulator-mode = <4>;
 252                                         };
 253                                 };
 254
 255                                 VDD_OTHER {
 256                                         regulator-name = "VDD_OTHER";
 257                                         regulator-min-microvolt = <600000>;
 258                                         regulator-max-microvolt = <1850000>;
 259                                         regulator-initial-mode = <2>;
 260                                         regulator-allowed-modes = <2>, <4>;
 261                                         regulator-always-on;
 262
 263                                         regulator-state-standby {
 264                                                 regulator-on-in-suspend;
 265                                                 regulator-mode = <4>;
 266                                         };
 267
 268                                         regulator-state-mem {
 269                                                 regulator-off-in-suspend;
 270                                                 regulator-mode = <4>;
 271                                         };
 272                                 };
 273
 274                                 LDO1 {
 275                                         regulator-name = "LDO1";
 276                                         regulator-min-microvolt = <1200000>;
 277                                         regulator-max-microvolt = <3700000>;
 278                                         regulator-always-on;
 279
 280                                         regulator-state-standby {
 281                                                 regulator-on-in-suspend;
 282                                         };
 283
 284                                         regulator-state-mem {
 285                                                 regulator-off-in-suspend;
 286                                         };
 287                                 };
 288
 289                                 LDO2 {
 290                                         regulator-name = "LDO2";
 291                                         regulator-min-microvolt = <1200000>;
 292                                         regulator-max-microvolt = <3700000>;
 293                                         regulator-always-on;
 294
 295                                         regulator-state-standby {
 296                                                 regulator-on-in-suspend;
 297                                         };
 298
 299                                         regulator-state-mem {
 300                                                 regulator-off-in-suspend;
 301                                         };
 302                                 };
 303
 304                         };
 305                 };
 306         };
 307 };
 308
 309 &i2c0 { /* mikrobus i2c */
 310         pinctrl-names = "default", "gpio";
 311         pinctrl-0 = <&pinctrl_mikrobus_i2c>;
 312         pinctrl-1 = <&pinctrl_i2c0_gpio>;
 313         sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
 314         scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 315         i2c-digital-filter;
 316         i2c-digital-filter-width-ns = <35>;
 317         status = "okay";
 318 };
 319
 320 &i2c1 {
 321         dmas = <0>, <0>;
 322         pinctrl-names = "default", "gpio";
 323         pinctrl-0 = <&pinctrl_i2c1_default>;
 324         pinctrl-1 = <&pinctrl_i2c1_gpio>;
 325         sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>;
 326         scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 327         i2c-digital-filter;
 328         i2c-digital-filter-width-ns = <35>;
 329         status = "okay";
 330
 331         eeprom@50 {
 332                 compatible = "atmel,24c32";
 333                 reg = <0x50>;
 334                 pagesize = <16>;
 335                 status = "okay";
 336         };
 337
 338         eeprom@52 {
 339                 compatible = "atmel,24c32";
 340                 reg = <0x52>;
 341                 pagesize = <16>;
 342                 status = "disabled";
 343         };
 344
 345         eeprom@53 {
 346                 compatible = "atmel,24c32";
 347                 reg = <0x53>;
 348                 pagesize = <16>;
 349                 status = "disabled";
 350         };
 351 };
 352
 353 &macb0 {
 354         pinctrl-names = "default";
 355         pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq &pinctrl_macb0_rst>;
 356         phy-mode = "mii";
 357         status = "okay";
 358
 359         fixed-link {
 360                 speed = <100>;
 361                 full-duplex;
 362         };
 363 };
 364
 365 &pioA {
 366         pinctrl_adc_default: adc_default {
 367                 pinmux = <PIN_PD24__GPIO>,
 368                                 <PIN_PD25__GPIO>,
 369                                 <PIN_PD26__GPIO>;
 370                 bias-disable;
 371         };
 372
 373         /*
 374          * The ADTRG pin can work on any edge type.
 375          * In here it's being pulled up, so need to
 376          * connect it to ground to get an edge e.g.
 377          * Trigger can be configured on falling, rise
 378          * or any edge, and the pull-up can be changed
 379          * to pull-down or left floating according to
 380          * needs.
 381          */
 382         pinctrl_adtrg_default: adtrg_default {
 383                 pinmux = <PIN_PD31__ADTRG>;
 384                 bias-pull-up;
 385         };
 386
 387         pinctrl_flx4_default: flx4_default {
 388                 pinmux = <PIN_PC28__FLEXCOM4_IO0>,
 389                          <PIN_PC29__FLEXCOM4_IO1>;
 390                 bias-disable;
 391         };
 392
 393         pinctrl_can0_default: can0_default {
 394                 pinmux = <PIN_PC10__CANTX0>,
 395                          <PIN_PC11__CANRX0>;
 396                 bias-disable;
 397         };
 398
 399         pinctrl_can1_default: can1_default {
 400                 pinmux = <PIN_PC26__CANTX1>,
 401                          <PIN_PC27__CANRX1>;
 402                 bias-disable;
 403         };
 404
 405         pinctrl_i2c1_default: i2c1_default {
 406                 pinmux = <PIN_PD19__TWD1>,
 407                          <PIN_PD20__TWCK1>;
 408                 bias-disable;
 409         };
 410
 411         pinctrl_i2c1_gpio: i2c1_gpio {
 412                 pinmux = <PIN_PD19__GPIO>,
 413                          <PIN_PD20__GPIO>;
 414                 bias-disable;
 415         };
 416
 417         pinctrl_key_gpio_default: key_gpio_default {
 418                 pinmux = <PIN_PD0__GPIO>;
 419                 bias-pull-up;
 420         };
 421
 422         pinctrl_led_gpio_default: led_gpio_default {
 423                 pinmux = <PIN_PB0__GPIO>,
 424                          <PIN_PB1__GPIO>,
 425                          <PIN_PA31__GPIO>;
 426                 bias-pull-up;
 427         };
 428
 429         pinctrl_qspi1_default: qspi1_default {
 430                 pinmux = <PIN_PA6__QSPI1_SCK>,
 431                          <PIN_PA7__QSPI1_IO0>,
 432                          <PIN_PA8__QSPI1_IO1>,
 433                          <PIN_PA9__QSPI1_IO2>,
 434                          <PIN_PA10__QSPI1_IO3>,
 435                          <PIN_PA11__QSPI1_CS>;
 436                 bias-disable;
 437         };
 438
 439         pinctrl_sdmmc0_default: sdmmc0_default {
 440                 cmd_data {
 441                         pinmux = <PIN_PA1__SDMMC0_CMD>,
 442                                  <PIN_PA2__SDMMC0_DAT0>,
 443                                  <PIN_PA3__SDMMC0_DAT1>,
 444                                  <PIN_PA4__SDMMC0_DAT2>,
 445                                  <PIN_PA5__SDMMC0_DAT3>;
 446                         bias-disable;
 447                 };
 448
 449                 ck_cd {
 450                         pinmux = <PIN_PA0__SDMMC0_CK>,
 451                                  <PIN_PA13__SDMMC0_CD>;
 452                         bias-disable;
 453                 };
 454         };
 455
 456         pinctrl_sdmmc1_default: sdmmc1_default {
 457                 cmd_data {
 458                         pinmux = <PIN_PA18__SDMMC1_DAT0>,
 459                                  <PIN_PA19__SDMMC1_DAT1>,
 460                                  <PIN_PA20__SDMMC1_DAT2>,
 461                                  <PIN_PA21__SDMMC1_DAT3>;
 462                         bias-disable;
 463                 };
 464
 465                 ck_cd {
 466                         pinmux = <PIN_PA22__SDMMC1_CK>,
 467                                  <PIN_PA28__SDMMC1_CMD>;
 468                         bias-disable;
 469                 };
 470         };
 471
 472         pinctrl_mikrobus_i2c: mikrobus_i2c {
 473                 pinmux = <PIN_PD22__TWCK0>,
 474                          <PIN_PD21__TWD0>;
 475                 bias-disable;
 476         };
 477
 478         pinctrl_i2c0_gpio: i2c0_gpio {
 479                 pinmux = <PIN_PD21__GPIO>,
 480                          <PIN_PD22__GPIO>;
 481                 bias-disable;
 482         };
 483
 484         pinctrl_mikrobus1_an: mikrobus1_an {
 485                 pinmux = <PIN_PD26__GPIO>;
 486                 bias-disable;
 487         };
 488
 489         pinctrl_mikrobus1_rst: mikrobus1_rst {
 490                 pinmux = <PIN_PC5__GPIO>;
 491                 bias-disable;
 492         };
 493
 494         pinctrl_mikrobus1_spi_cs: mikrobus1_spi_cs {
 495                 pinmux = <PIN_PC21__FLEXCOM3_IO3>;
 496                 bias-disable;
 497         };
 498
 499         pinctrl_mikrobus1_spi: mikrobus1_spi {
 500                 pinmux = <PIN_PC20__FLEXCOM3_IO0>,
 501                          <PIN_PC19__FLEXCOM3_IO1>,
 502                          <PIN_PC18__FLEXCOM3_IO2>;
 503                 bias-disable;
 504         };
 505
 506         pinctrl_mikrobus1_pwm: mikrobus1_pwm {
 507                 pinmux = <PIN_PC4__TIOB1>;
 508                 bias-disable;
 509         };
 510
 511         pinctrl_mikrobus1_int: mikrobus1_int {
 512                 pinmux = <PIN_PC3__GPIO>;
 513                 bias-disable;
 514         };
 515
 516         pinctrl_mikrobus1_uart: mikrobus1_uart {
 517                 pinmux = <PIN_PB26__URXD0>,
 518                          <PIN_PB27__UTXD0>;
 519                 bias-disable;
 520         };
 521
 522         pinctrl_mikrobus2_an: mikrobus2_an {
 523                 pinmux = <PIN_PD25__GPIO>;
 524                 bias-disable;
 525         };
 526
 527         pinctrl_mikrobus2_rst: mikrobus2_rst {
 528                 pinmux = <PIN_PB24__GPIO>;
 529                 bias-disable;
 530         };
 531
 532         pinctrl_mikrobus2_spi_cs: mikrobus2_spi_cs {
 533                 pinmux = <PIN_PB31__FLEXCOM0_IO3>;
 534                 bias-disable;
 535         };
 536
 537         pinctrl_mikrobus2_spi: mikrobus2_spi {
 538                 pinmux = <PIN_PB28__FLEXCOM0_IO0>,
 539                          <PIN_PB29__FLEXCOM0_IO1>,
 540                          <PIN_PB30__FLEXCOM0_IO2>;
 541                 bias-disable;
 542         };
 543
 544         pinctrl_ksz_spi_cs: ksz_spi_cs {
 545                 pinmux = <PIN_PC0__GPIO>;
 546                 bias-disable;
 547         };
 548
 549         pinctrl_mikrobus2_pwm: mikrobus2_pwm {
 550                 pinmux = <PIN_PB23__TIOB2>;
 551                 bias-disable;
 552         };
 553
 554         pinctrl_mikrobus2_int: mikrobus2_int {
 555                 pinmux = <PIN_PB22__GPIO>;
 556                 bias-disable;
 557         };
 558
 559         pinctrl_mikrobus2_uart: mikrobus2_uart {
 560                 pinmux = <PIN_PC12__URXD3>,
 561                          <PIN_PC13__UTXD3>;
 562                 bias-disable;
 563         };
 564
 565         pinctrl_mikrobus3_an: mikrobus3_an {
 566                 pinmux = <PIN_PD24__GPIO>;
 567                 bias-disable;
 568         };
 569
 570         pinctrl_mikrobus3_rst: mikrobus3_rst {
 571                 pinmux = <PIN_PB21__GPIO>;
 572                 bias-disable;
 573         };
 574
 575         pinctrl_mikrobus3_spi_cs: mikrobus3_spi_cs {
 576                 pinmux = <PIN_PA17__SPI0_NPCS0>;
 577                 bias-disable;
 578         };
 579
 580         pinctrl_mikrobus3_spi: mikrobus3_spi {
 581                 pinmux = <PIN_PA14__SPI0_SPCK>,
 582                          <PIN_PA16__SPI0_MISO>,
 583                          <PIN_PA15__SPI0_MOSI>;
 584                 bias-disable;
 585         };
 586
 587         pinctrl_mikrobus3_pwm: mikrobus3_pwm {
 588                 pinmux = <PIN_PB20__TIOB3>;
 589                 bias-disable;
 590         };
 591
 592         pinctrl_mikrobus3_int: mikrobus3_int {
 593                 pinmux = <PIN_PB18__GPIO>;
 594                 bias-disable;
 595         };
 596
 597         pinctrl_mikrobus3_uart: mikrobus3_uart {
 598                 pinmux = <PIN_PC7__URXD1>,
 599                          <PIN_PC8__UTXD1>;
 600                 bias-disable;
 601         };
 602
 603         pinctrl_usb_default: usb_default {
 604                 pinmux = <PIN_PC17__GPIO>;
 605                 bias-disable;
 606         };
 607
 608         pinctrl_usba_vbus: usba_vbus {
 609                 pinmux = <PIN_PD23__GPIO>;
 610                 bias-disable;
 611         };
 612
 613         pinctrl_pwm0_pwm2_default: pwm0_pwm2_default {
 614                 pinmux = <PIN_PB5__PWMH2>,
 615                          <PIN_PB6__PWML2>;
 616                 bias-pull-up;
 617         };
 618
 619         pinctrl_macb0_default: macb0_default {
 620                 pinmux = <PIN_PD1__GRXCK>,
 621                          <PIN_PD2__GTXER>,
 622                          <PIN_PD5__GRX2>,
 623                          <PIN_PD6__GRX3>,
 624                          <PIN_PD7__GTX2>,
 625                          <PIN_PD8__GTX3>,
 626                          <PIN_PD9__GTXCK>,
 627                          <PIN_PD10__GTXEN>,
 628                          <PIN_PD11__GRXDV>,
 629                          <PIN_PD12__GRXER>,
 630                          <PIN_PD13__GRX0>,
 631                          <PIN_PD14__GRX1>,
 632                          <PIN_PD15__GTX0>,
 633                          <PIN_PD16__GTX1>,
 634                          <PIN_PD17__GMDC>,
 635                          <PIN_PD18__GMDIO>;
 636                 bias-disable;
 637         };
 638
 639         pinctrl_macb0_phy_irq: macb0_phy_irq {
 640                 pinmux = <PIN_PD3__GPIO>;
 641                 bias-disable;
 642         };
 643
 644         pinctrl_macb0_rst: macb0_sw_rst {
 645                 pinmux = <PIN_PD4__GPIO>;
 646                 bias-disable;
 647         };
 648
 649         pinctrl_flx2_default: flx2_default {
 650                 pinmux = <PIN_PA6__FLEXCOM2_IO0>,
 651                          <PIN_PA7__FLEXCOM2_IO1>,
 652                          <PIN_PA9__FLEXCOM2_IO3>,
 653                          <PIN_PA10__FLEXCOM2_IO4>;
 654                 bias-disable;
 655         };
 656 };
 657
 658 &pwm0 {
 659         pinctrl-names = "default";
 660         pinctrl-0 = <&pinctrl_pwm0_pwm2_default>;
 661         status = "disabled"; /* conflict with leds, HSIC */
 662 };
 663
 664 &qspi1 {
 665         pinctrl-names = "default";
 666         pinctrl-0 = <&pinctrl_qspi1_default>;
 667         status = "disabled"; /* Conflict with wilc_pwrseq, flx2 */
 668
 669         flash@0 {
 670                 #address-cells = <1>;
 671                 #size-cells = <1>;
 672                 compatible = "jedec,spi-nor";
 673                 reg = <0>;
 674                 spi-max-frequency = <80000000>;
 675                 spi-tx-bus-width = <4>;
 676                 spi-rx-bus-width = <4>;
 677                 m25p,fast-read;
 678
 679                 at91bootstrap@0 {
 680                         label = "qspi: at91bootstrap";
 681                         reg = <0x00000000 0x00040000>;
 682                 };
 683
 684                 bootloader@40000 {
 685                         label = "qspi: bootloader";
 686                         reg = <0x00040000 0x000c0000>;
 687                 };
 688
 689                 bootloaderenvred@100000 {
 690                         label = "qspi: bootloader env redundant";
 691                         reg = <0x00100000 0x00040000>;
 692                 };
 693
 694                 bootloaderenv@140000 {
 695                         label = "qspi: bootloader env";
 696                         reg = <0x00140000 0x00040000>;
 697                 };
 698
 699                 dtb@180000 {
 700                         label = "qspi: device tree";
 701                         reg = <0x00180000 0x00080000>;
 702                 };
 703
 704                 kernel@200000 {
 705                         label = "qspi: kernel";
 706                         reg = <0x00200000 0x00600000>;
 707                 };
 708         };
 709 };
 710
 711 &sdmmc0 {
 712         no-1-8-v;
 713         bus-width = <4>;
 714         pinctrl-names = "default";
 715         pinctrl-0 = <&pinctrl_sdmmc0_default>;
 716         status = "okay";
 717 };
 718
 719 &shutdown_controller {
 720         debounce-delay-us = <976>;
 721         atmel,wakeup-rtc-timer;
 722
 723         input@0 {
 724                 reg = <0>;
 725         };
 726 };
 727
 728 &spi0 {  /* mikrobus3 spi */
 729         pinctrl-names = "default";
 730         pinctrl-0 = <&pinctrl_mikrobus3_spi &pinctrl_mikrobus3_spi_cs>;
 731         status = "okay";
 732 };
 733
 734 &tcb0 {
 735         timer0: timer@0 {
 736                 compatible = "atmel,tcb-timer";
 737                 reg = <0>;
 738         };
 739
 740         timer1: timer@1 {
 741                 compatible = "atmel,tcb-timer";
 742                 reg = <1>;
 743         };
 744 };
 745
 746 &uart0 {
 747         pinctrl-names = "default";
 748         pinctrl-0 = <&pinctrl_mikrobus1_uart>;
 749         atmel,use-dma-rx;
 750         atmel,use-dma-tx;
 751         status = "okay";
 752 };
 753
 754 &uart1 {
 755         pinctrl-names = "default";
 756         pinctrl-0 = <&pinctrl_mikrobus3_uart>;
 757         atmel,use-dma-rx;
 758         atmel,use-dma-tx;
 759         status = "okay";
 760 };
 761
 762 &uart3 {
 763         pinctrl-names = "default";
 764         pinctrl-0 = <&pinctrl_mikrobus2_uart>;
 765         atmel,use-dma-rx;
 766         atmel,use-dma-tx;
 767         status = "okay";
 768 };
 769
 770 &usb0 {
 771         atmel,vbus-gpio = <&pioA PIN_PD23 GPIO_ACTIVE_HIGH>;
 772         pinctrl-names = "default";
 773         pinctrl-0 = <&pinctrl_usba_vbus>;
 774         status = "okay";
 775 };
 776
 777 &usb1 {
 778         num-ports = <3>;
 779         pinctrl-names = "default";
 780         pinctrl-0 = <&pinctrl_usb_default>;
 781         status = "okay";
 782 };
 783
 784 &usb2 {
 785         phy_type = "hsic";
 786         status = "okay";
 787 };
 788
 789 &watchdog {
 790         status = "okay";
 791 };