arch/arm/boot/dts/microchip/at91-sama5d29_curiosity.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * at91-sama5d29_curiosity.dts - Device Tree file for SAMA5D29 Curiosity board
   4  *
   5  * Copyright (C) 2023 Microchip Technology Inc. and its subsidiaries
   6  *
   7  * Author: Mihai Sain <[email protected]>
   8  *
   9  */
  10 /dts-v1/;
  11 #include "sama5d29.dtsi"
  12 #include "sama5d2-pinfunc.h"
  13 #include <dt-bindings/gpio/gpio.h>
  14 #include <dt-bindings/input/input.h>
  15 #include <dt-bindings/mfd/atmel-flexcom.h>
  16
  17 / {
  18         model = "Microchip SAMA5D29 Curiosity";
  19         compatible = "microchip,sama5d29-curiosity", "atmel,sama5d29", "atmel,sama5d2", "atmel,sama5";
  20
  21         aliases {
  22                 serial0 = &uart0;       // debug
  23                 serial1 = &uart1;       // RPi
  24                 serial2 = &uart3;       // mikro BUS 2
  25                 serial3 = &uart4;       // mikro BUS 1
  26                 serial4 = &uart6;       // flx1 Bluetooth
  27                 i2c0 = &i2c0;
  28                 i2c1 = &i2c1;
  29         };
  30
  31         chosen {
  32                 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
  33                 stdout-path = "serial0:115200n8";
  34         };
  35
  36         clocks {
  37                 slow_xtal {
  38                         clock-frequency = <32768>;
  39                 };
  40
  41                 main_xtal {
  42                         clock-frequency = <24000000>;
  43                 };
  44         };
  45
  46         gpio-keys {
  47                 compatible = "gpio-keys";
  48
  49                 pinctrl-names = "default";
  50                 pinctrl-0 = <&pinctrl_key_gpio_default>;
  51
  52                 button-1 {
  53                         label = "USER BUTTON";
  54                         gpios = <&pioA PIN_PA17 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";
  65
  66                 led-red {
  67                         label = "red";
  68                         gpios = <&pioA PIN_PA7 GPIO_ACTIVE_HIGH>;
  69                 };
  70
  71                 led-green {
  72                         label = "green";
  73                         gpios = <&pioA PIN_PA8 GPIO_ACTIVE_HIGH>;
  74                 };
  75
  76                 led-blue {
  77                         label = "blue";
  78                         gpios = <&pioA PIN_PA9 GPIO_ACTIVE_HIGH>;
  79                         linux,default-trigger = "heartbeat";
  80                 };
  81         };
  82
  83         memory@20000000 {
  84                 device_type = "memory";
  85                 reg = <0x20000000 0x20000000>;
  86         };
  87
  88         reg_5v: regulator-5v {
  89                 compatible = "regulator-fixed";
  90                 regulator-name = "5V_MAIN";
  91                 regulator-min-microvolt = <5000000>;
  92                 regulator-max-microvolt = <5000000>;
  93                 regulator-always-on;
  94         };
  95 };
  96
  97 &adc {
  98         vddana-supply = <&vdd_3v3>;
  99         vref-supply = <&vdd_3v3>;
 100         pinctrl-names = "default";
 101         pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
 102         status = "okay";
 103 };
 104
 105 &can0 {
 106         pinctrl-names = "default";
 107         pinctrl-0 = <&pinctrl_can0_default>;
 108         status = "okay";
 109 };
 110
 111 &can1 {
 112         pinctrl-names = "default";
 113         pinctrl-0 = <&pinctrl_can1_default>;
 114         status = "okay";
 115 };
 116
 117 &flx1 {
 118         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
 119         status = "okay";
 120
 121         uart6: serial@200 {
 122                 pinctrl-0 = <&pinctrl_flx1_default>;
 123                 pinctrl-names = "default";
 124                 atmel,use-dma-rx;
 125                 atmel,use-dma-tx;
 126                 status = "okay";
 127         };
 128 };
 129
 130 &flx4 {
 131         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
 132         status = "okay";
 133
 134         spi6: spi@400 {
 135                 dmas = <0>, <0>;
 136                 pinctrl-names = "default";
 137                 pinctrl-0 = <&pinctrl_rpi_spi>;
 138                 status = "okay";
 139         };
 140 };
 141
 142 &i2c0 {
 143         dmas = <0>, <0>;
 144         pinctrl-names = "default", "gpio";
 145         pinctrl-0 = <&pinctrl_i2c0_default>;
 146         pinctrl-1 = <&pinctrl_i2c0_gpio>;
 147         sda-gpios = <&pioA PIN_PB31 GPIO_ACTIVE_HIGH>;
 148         scl-gpios = <&pioA PIN_PC0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 149         i2c-sda-hold-time-ns = <350>;
 150         status = "okay";
 151
 152         pmic@5b {
 153                 compatible = "microchip,mcp16502";
 154                 reg = <0x5b>;
 155                 lvin-supply = <&reg_5v>;
 156                 pvin1-supply = <&reg_5v>;
 157                 pvin2-supply = <&reg_5v>;
 158                 pvin3-supply = <&reg_5v>;
 159                 pvin4-supply = <&reg_5v>;
 160                 status = "okay";
 161                 lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
 162
 163                 regulators {
 164                         vdd_3v3: VDD_IO {
 165                                 regulator-name = "VDD_IO";
 166                                 regulator-min-microvolt = <3300000>;
 167                                 regulator-max-microvolt = <3300000>;
 168                                 regulator-initial-mode = <2>;
 169                                 regulator-allowed-modes = <2>, <4>;
 170                                 regulator-always-on;
 171
 172                                 regulator-state-standby {
 173                                         regulator-on-in-suspend;
 174                                         regulator-mode = <4>;
 175                                 };
 176
 177                                 regulator-state-mem {
 178                                         regulator-off-in-suspend;
 179                                         regulator-mode = <4>;
 180                                 };
 181                         };
 182
 183                         vddio_ddr: VDD_DDR {
 184                                 regulator-name = "VDD_DDR";
 185                                 regulator-min-microvolt = <1200000>;
 186                                 regulator-max-microvolt = <1200000>;
 187                                 regulator-initial-mode = <2>;
 188                                 regulator-allowed-modes = <2>, <4>;
 189                                 regulator-always-on;
 190
 191                                 regulator-state-standby {
 192                                         regulator-on-in-suspend;
 193                                         regulator-suspend-microvolt = <1200000>;
 194                                         regulator-changeable-in-suspend;
 195                                         regulator-mode = <4>;
 196                                 };
 197
 198                                 regulator-state-mem {
 199                                         regulator-on-in-suspend;
 200                                         regulator-suspend-microvolt = <1200000>;
 201                                         regulator-changeable-in-suspend;
 202                                         regulator-mode = <4>;
 203                                 };
 204                         };
 205
 206                         vdd_core: VDD_CORE {
 207                                 regulator-name = "VDD_CORE";
 208                                 regulator-min-microvolt = <1250000>;
 209                                 regulator-max-microvolt = <1250000>;
 210                                 regulator-initial-mode = <2>;
 211                                 regulator-allowed-modes = <2>, <4>;
 212                                 regulator-always-on;
 213
 214                                 regulator-state-standby {
 215                                         regulator-on-in-suspend;
 216                                         regulator-mode = <4>;
 217                                 };
 218
 219                                 regulator-state-mem {
 220                                         regulator-off-in-suspend;
 221                                         regulator-mode = <4>;
 222                                 };
 223                         };
 224
 225                         vdd_ddr: VDD_OTHER {
 226                                 regulator-name = "VDD_OTHER";
 227                                 regulator-min-microvolt = <1800000>;
 228                                 regulator-max-microvolt = <1800000>;
 229                                 regulator-initial-mode = <2>;
 230                                 regulator-allowed-modes = <2>, <4>;
 231                                 regulator-always-on;
 232
 233                                 regulator-state-standby {
 234                                         regulator-on-in-suspend;
 235                                         regulator-suspend-microvolt = <1800000>;
 236                                         regulator-changeable-in-suspend;
 237                                         regulator-mode = <4>;
 238                                 };
 239
 240                                 regulator-state-mem {
 241                                         regulator-on-in-suspend;
 242                                         regulator-suspend-microvolt = <1800000>;
 243                                         regulator-changeable-in-suspend;
 244                                         regulator-mode = <4>;
 245                                 };
 246                         };
 247
 248                         LDO1 {
 249                                 regulator-name = "LDO1";
 250                                 regulator-min-microvolt = <2500000>;
 251                                 regulator-max-microvolt = <2500000>;
 252                                 regulator-always-on;
 253
 254                                 regulator-state-standby {
 255                                         regulator-on-in-suspend;
 256                                 };
 257
 258                                 regulator-state-mem {
 259                                         regulator-off-in-suspend;
 260                                 };
 261                         };
 262
 263                         LDO2 {
 264                                 regulator-name = "LDO2";
 265                                 regulator-min-microvolt = <3300000>;
 266                                 regulator-max-microvolt = <3300000>;
 267                                 regulator-always-on;
 268
 269                                 regulator-state-standby {
 270                                         regulator-on-in-suspend;
 271                                 };
 272
 273                                 regulator-state-mem {
 274                                         regulator-off-in-suspend;
 275                                 };
 276                         };
 277                 };
 278         };
 279 };
 280
 281 &i2c1 {
 282         dmas = <0>, <0>;
 283         pinctrl-names = "default", "gpio";
 284         pinctrl-0 = <&pinctrl_i2c1_default>;
 285         pinctrl-1 = <&pinctrl_i2c1_gpio>;
 286         i2c-analog-filter;
 287         i2c-digital-filter;
 288         i2c-digital-filter-width-ns = <35>;
 289         sda-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_HIGH>;
 290         scl-gpios = <&pioA PIN_PD5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 291         status = "okay";
 292 };
 293
 294 &pioA {
 295         pinctrl_adc_default: adc-default {
 296                 pinmux = <PIN_PD25__GPIO>,
 297                          <PIN_PD26__GPIO>;
 298                 bias-disable;
 299         };
 300
 301         pinctrl_adtrg_default: adtrg-default {
 302                 pinmux = <PIN_PD31__ADTRG>;
 303                 bias-pull-up;
 304         };
 305
 306         pinctrl_can0_default: can0-default {
 307                 pinmux = <PIN_PC10__CANTX0>,
 308                          <PIN_PC11__CANRX0>;
 309                 bias-disable;
 310         };
 311
 312         pinctrl_can1_default: can1-default {
 313                 pinmux = <PIN_PC26__CANTX1>,
 314                          <PIN_PC27__CANRX1>;
 315                 bias-disable;
 316         };
 317
 318         pinctrl_debug_uart: debug-uart {
 319                 pinmux = <PIN_PB26__URXD0>,
 320                          <PIN_PB27__UTXD0>;
 321                 bias-disable;
 322         };
 323
 324         pinctrl_flx1_default: flx1-default {
 325                 pinmux = <PIN_PA24__FLEXCOM1_IO0>,
 326                          <PIN_PA23__FLEXCOM1_IO1>,
 327                          <PIN_PA25__FLEXCOM1_IO3>,
 328                          <PIN_PA26__FLEXCOM1_IO4>;
 329                 bias-disable;
 330         };
 331
 332         pinctrl_i2c0_default: i2c0-default {
 333                 pinmux = <PIN_PB31__TWD0>,
 334                          <PIN_PC0__TWCK0>;
 335                 bias-disable;
 336         };
 337
 338         pinctrl_i2c0_gpio: i2c0-gpio-default {
 339                 pinmux = <PIN_PB31__GPIO>,
 340                          <PIN_PC0__GPIO>;
 341                 bias-disable;
 342         };
 343
 344         pinctrl_i2c1_default: i2c1-default {
 345                 pinmux = <PIN_PD4__TWD1>,
 346                          <PIN_PD5__TWCK1>;
 347                 bias-disable;
 348         };
 349
 350         pinctrl_i2c1_gpio: i2c1-gpio-default {
 351                 pinmux = <PIN_PD4__GPIO>,
 352                          <PIN_PD5__GPIO>;
 353                 bias-disable;
 354         };
 355
 356         pinctrl_key_gpio_default: key-gpio-default {
 357                 pinmux = <PIN_PA17__GPIO>;
 358                 bias-pull-up;
 359         };
 360
 361         pinctrl_led_gpio_default: led-gpio-default {
 362                 pinmux = <PIN_PA7__GPIO>,
 363                          <PIN_PA8__GPIO>,
 364                          <PIN_PA9__GPIO>;
 365                 bias-pull-up;
 366         };
 367
 368         pinctrl_mikrobus1_pwm: mikrobus1-pwm {
 369                 pinmux = <PIN_PA31__PWML0>;
 370                 bias-disable;
 371         };
 372
 373         pinctrl_mikrobus2_pwm: mikrobus2-pwm {
 374                 pinmux = <PIN_PB0__PWMH1>;
 375                 bias-disable;
 376         };
 377
 378         pinctrl_mikrobus1_uart: mikrobus1-uart {
 379                 pinmux = <PIN_PB3__URXD4>,
 380                          <PIN_PB4__UTXD4>;
 381                 bias-disable;
 382         };
 383
 384         pinctrl_mikrobus2_uart: mikrobus2-uart {
 385                 pinmux = <PIN_PB11__URXD3>,
 386                          <PIN_PB12__UTXD3>;
 387                 bias-disable;
 388         };
 389
 390         pinctrl_qspi1_default: qspi1-default {
 391                 pinmux = <PIN_PB5__QSPI1_SCK>,
 392                          <PIN_PB6__QSPI1_CS>,
 393                          <PIN_PB7__QSPI1_IO0>,
 394                          <PIN_PB8__QSPI1_IO1>,
 395                          <PIN_PB9__QSPI1_IO2>,
 396                          <PIN_PB10__QSPI1_IO3>;
 397                 bias-disable;
 398         };
 399
 400         pinctrl_rpi_spi: rpi-spi {
 401                 pinmux = <PIN_PD12__FLEXCOM4_IO0>,
 402                          <PIN_PD13__FLEXCOM4_IO1>,
 403                          <PIN_PD14__FLEXCOM4_IO2>,
 404                          <PIN_PD15__FLEXCOM4_IO3>,
 405                          <PIN_PD16__FLEXCOM4_IO4>;
 406                 bias-disable;
 407         };
 408
 409         pinctrl_rpi_uart: rpi-uart {
 410                 pinmux = <PIN_PD2__URXD1>,
 411                          <PIN_PD3__UTXD1>;
 412                 bias-disable;
 413         };
 414
 415         pinctrl_sdmmc0_default: sdmmc0-default {
 416                 pinmux = <PIN_PA0__SDMMC0_CK>,
 417                          <PIN_PA1__SDMMC0_CMD>,
 418                          <PIN_PA2__SDMMC0_DAT0>,
 419                          <PIN_PA3__SDMMC0_DAT1>,
 420                          <PIN_PA4__SDMMC0_DAT2>,
 421                          <PIN_PA5__SDMMC0_DAT3>,
 422                          <PIN_PA11__SDMMC0_VDDSEL>,
 423                          <PIN_PA13__SDMMC0_CD>;
 424                 bias-disable;
 425         };
 426
 427         pinctrl_sdmmc1_default: sdmmc1-default {
 428                 pinmux = <PIN_PA18__SDMMC1_DAT0>,
 429                          <PIN_PA19__SDMMC1_DAT1>,
 430                          <PIN_PA20__SDMMC1_DAT2>,
 431                          <PIN_PA21__SDMMC1_DAT3>,
 432                          <PIN_PA22__SDMMC1_CK>,
 433                          <PIN_PA28__SDMMC1_CMD>,
 434                          <PIN_PA30__SDMMC1_CD>;
 435                 bias-disable;
 436         };
 437
 438         pinctrl_spi1_default: spi1-default {
 439                 pinmux = <PIN_PC1__SPI1_SPCK>,
 440                          <PIN_PC2__SPI1_MOSI>,
 441                          <PIN_PC3__SPI1_MISO>,
 442                          <PIN_PC4__SPI1_NPCS0>,
 443                          <PIN_PC5__SPI1_NPCS1>,
 444                          <PIN_PC6__SPI1_NPCS2>,
 445                          <PIN_PC7__SPI1_NPCS3>;
 446                 bias-disable;
 447         };
 448
 449         pinctrl_usb_default: usb-default {
 450                 pinmux = <PIN_PA6__GPIO>;
 451                 bias-disable;
 452         };
 453
 454         pinctrl_usba_vbus: usba-vbus {
 455                 pinmux = <PIN_PB13__GPIO>;
 456                 bias-disable;
 457         };
 458 };
 459
 460 &pwm0 {
 461         pinctrl-names = "default";
 462         pinctrl-0 = <&pinctrl_mikrobus1_pwm &pinctrl_mikrobus2_pwm>;
 463         status = "okay";
 464 };
 465
 466 &qspi1 {
 467         pinctrl-names = "default";
 468         pinctrl-0 = <&pinctrl_qspi1_default>;
 469         status = "okay";
 470
 471         flash@0 {
 472                 #address-cells = <1>;
 473                 #size-cells = <1>;
 474                 compatible = "jedec,spi-nor";
 475                 reg = <0>;
 476                 spi-max-frequency = <80000000>;
 477                 spi-tx-bus-width = <4>;
 478                 spi-rx-bus-width = <4>;
 479                 m25p,fast-read;
 480                 label = "atmel_qspi1";
 481                 status = "okay";
 482
 483                 at91bootstrap@0 {
 484                         label = "at91bootstrap";
 485                         reg = <0x0 0x40000>;
 486                 };
 487
 488                 bootloader@40000 {
 489                         label = "bootloader";
 490                         reg = <0x40000 0xc0000>;
 491                 };
 492
 493                 bootloaderenvred@100000 {
 494                         label = "bootloader env redundant";
 495                         reg = <0x100000 0x40000>;
 496                 };
 497
 498                 bootloaderenv@140000 {
 499                         label = "bootloader env";
 500                         reg = <0x140000 0x40000>;
 501                 };
 502
 503                 dtb@180000 {
 504                         label = "device tree";
 505                         reg = <0x180000 0x80000>;
 506                 };
 507
 508                 kernel@200000 {
 509                         label = "kernel";
 510                         reg = <0x200000 0x600000>;
 511                 };
 512         };
 513 };
 514
 515 &sdmmc0 {
 516         bus-width = <4>;
 517         pinctrl-names = "default";
 518         pinctrl-0 = <&pinctrl_sdmmc0_default>;
 519         disable-wp;
 520         status = "okay";
 521 };
 522
 523 &sdmmc1 {
 524         bus-width = <4>;
 525         pinctrl-names = "default";
 526         pinctrl-0 = <&pinctrl_sdmmc1_default>;
 527         disable-wp;
 528         status = "okay";
 529 };
 530
 531 &shutdown_controller {
 532         debounce-delay-us = <976>;
 533         atmel,wakeup-rtc-timer;
 534
 535         input@0 {
 536                 reg = <0>;
 537         };
 538 };
 539
 540 &spi1 {
 541         pinctrl-names = "default";
 542         pinctrl-0 = <&pinctrl_spi1_default>;
 543         status = "okay";
 544 };
 545
 546 &tcb0 {
 547         timer0: timer@0 {
 548                 compatible = "atmel,tcb-timer";
 549                 reg = <0>;
 550         };
 551
 552         timer1: timer@1 {
 553                 compatible = "atmel,tcb-timer";
 554                 reg = <1>;
 555         };
 556 };
 557
 558 &uart0 {
 559         pinctrl-names = "default";
 560         pinctrl-0 = <&pinctrl_debug_uart>;
 561         atmel,use-dma-rx;
 562         atmel,use-dma-tx;
 563         status = "okay";
 564 };
 565
 566 &uart1 {
 567         pinctrl-names = "default";
 568         pinctrl-0 = <&pinctrl_rpi_uart>;
 569         atmel,use-dma-rx;
 570         atmel,use-dma-tx;
 571         status = "okay";
 572 };
 573
 574 &uart3 {
 575         pinctrl-names = "default";
 576         pinctrl-0 = <&pinctrl_mikrobus2_uart>;
 577         atmel,use-dma-rx;
 578         atmel,use-dma-tx;
 579         status = "okay";
 580 };
 581
 582 &uart4 {
 583         pinctrl-names = "default";
 584         pinctrl-0 = <&pinctrl_mikrobus1_uart>;
 585         atmel,use-dma-rx;
 586         atmel,use-dma-tx;
 587         status = "okay";
 588 };
 589
 590 &usb0 {
 591         atmel,vbus-gpio = <&pioA PIN_PB13 GPIO_ACTIVE_HIGH>;
 592         pinctrl-names = "default";
 593         pinctrl-0 = <&pinctrl_usba_vbus>;
 594         status = "okay";
 595 };
 596
 597 &usb1 {
 598         num-ports = <3>;
 599         atmel,vbus-gpio = <0
 600                            &pioA PIN_PA6 GPIO_ACTIVE_HIGH
 601                            0>;
 602         pinctrl-names = "default";
 603         pinctrl-0 = <&pinctrl_usb_default>;
 604         status = "okay";
 605 };
 606
 607 &usb2 {
 608         status = "okay";
 609 };
 610
 611 &watchdog {
 612         status = "okay";
 613 };