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