arch/arm/boot/dts/microchip/at91-sama7g54_curiosity.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * at91-sama7g54_curiosity.dts - Device Tree file for SAMA7G54 Curiosity Board
   4  *
   5  * Copyright (C) 2024 Microchip Technology Inc. and its subsidiaries
   6  *
   7  * Author: Mihai Sain <mihai.sain@microchip.com>
   8  *
   9  */
  10 /dts-v1/;
  11 #include "sama7g5-pinfunc.h"
  12 #include "sama7g5.dtsi"
  13 #include <dt-bindings/input/input.h>
  14 #include <dt-bindings/leds/common.h>
  15 #include <dt-bindings/mfd/atmel-flexcom.h>
  16 #include <dt-bindings/pinctrl/at91.h>
  17
  18 / {
  19         model = "Microchip SAMA7G54 Curiosity";
  20         compatible = "microchip,sama7g54-curiosity", "microchip,sama7g5", "microchip,sama7";
  21
  22         aliases {
  23                 serial0 = &uart3;
  24                 i2c0 = &i2c10;
  25         };
  26
  27         chosen {
  28                 stdout-path = "serial0:115200n8";
  29         };
  30
  31         gpio-keys {
  32                 compatible = "gpio-keys";
  33                 pinctrl-names = "default";
  34                 pinctrl-0 = <&pinctrl_key_gpio_default>;
  35
  36                 button-user {
  37                         label = "user-button";
  38                         gpios = <&pioA PIN_PD19 GPIO_ACTIVE_LOW>;
  39                         linux,code = <KEY_PROG1>;
  40                         wakeup-source;
  41                 };
  42         };
  43
  44         leds {
  45                 compatible = "gpio-leds";
  46                 pinctrl-names = "default";
  47                 pinctrl-0 = <&pinctrl_led_gpio_default>;
  48
  49                 led-red {
  50                         color = <LED_COLOR_ID_RED>;
  51                         function = LED_FUNCTION_POWER;
  52                         gpios = <&pioA PIN_PD13 GPIO_ACTIVE_HIGH>;
  53                         default-state = "off";
  54                 };
  55
  56                 led-green {
  57                         color = <LED_COLOR_ID_GREEN>;
  58                         function = LED_FUNCTION_BOOT;
  59                         gpios = <&pioA PIN_PD14 GPIO_ACTIVE_HIGH>;
  60                         default-state = "off";
  61                 };
  62
  63                 led-blue {
  64                         color = <LED_COLOR_ID_BLUE>;
  65                         function = LED_FUNCTION_CPU;
  66                         gpios = <&pioA PIN_PB15 GPIO_ACTIVE_HIGH>;
  67                         linux,default-trigger = "heartbeat";
  68                 };
  69         };
  70
  71         memory@60000000 {
  72                 device_type = "memory";
  73                 reg = <0x60000000 0x10000000>; /* 256 MiB DDR3L-1066 16-bit */
  74         };
  75 };
  76
  77 &adc {
  78         vddana-supply = <&vddout25>;
  79         vref-supply = <&vddout25>;
  80         pinctrl-names = "default";
  81         pinctrl-0 = <&pinctrl_mikrobus1_an_default &pinctrl_mikrobus2_an_default>;
  82         status = "okay";
  83 };
  84
  85 &cpu0 {
  86         cpu-supply = <&vddcpu>;
  87 };
  88
  89 &dma0 {
  90         status = "okay";
  91 };
  92
  93 &dma1 {
  94         status = "okay";
  95 };
  96
  97 &dma2 {
  98         status = "okay";
  99 };
 100
 101 &ebi {
 102         pinctrl-names = "default";
 103         pinctrl-0 = <&pinctrl_nand_default>;
 104         status = "okay";
 105
 106         nand_controller: nand-controller {
 107                 status = "okay";
 108
 109                 nand@3 {
 110                         reg = <0x3 0x0 0x800000>;
 111                         atmel,rb = <0>;
 112                         nand-bus-width = <8>;
 113                         nand-ecc-mode = "hw";
 114                         nand-ecc-strength = <8>;
 115                         nand-ecc-step-size = <512>;
 116                         nand-on-flash-bbt;
 117                         label = "nand";
 118
 119                         partitions {
 120                                 compatible = "fixed-partitions";
 121                                 #address-cells = <1>;
 122                                 #size-cells = <1>;
 123
 124                                 at91bootstrap@0 {
 125                                         label = "nand: at91bootstrap";
 126                                         reg = <0x0 0x40000>;
 127                                 };
 128
 129                                 bootloader@40000 {
 130                                         label = "nand: u-boot";
 131                                         reg = <0x40000 0x100000>;
 132                                 };
 133
 134                                 bootloaderenv@140000 {
 135                                         label = "nand: u-boot env";
 136                                         reg = <0x140000 0x40000>;
 137                                 };
 138
 139                                 dtb@180000 {
 140                                         label = "nand: device tree";
 141                                         reg = <0x180000 0x80000>;
 142                                 };
 143
 144                                 kernel@200000 {
 145                                         label = "nand: kernel";
 146                                         reg = <0x200000 0x600000>;
 147                                 };
 148
 149                                 rootfs@800000 {
 150                                         label = "nand: rootfs";
 151                                         reg = <0x800000 0x1f800000>;
 152                                 };
 153                         };
 154                 };
 155         };
 156 };
 157
 158 &flx3 {
 159         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
 160         status = "okay";
 161
 162         uart3: serial@200 {
 163                 pinctrl-names = "default";
 164                 pinctrl-0 = <&pinctrl_flx3_default>;
 165                 status = "okay";
 166         };
 167 };
 168
 169 &flx10 {
 170         atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
 171         status = "okay";
 172
 173         i2c10: i2c@600 {
 174                 pinctrl-names = "default";
 175                 pinctrl-0 = <&pinctrl_flx10_default>;
 176                 i2c-analog-filter;
 177                 i2c-digital-filter;
 178                 i2c-digital-filter-width-ns = <35>;
 179                 status = "okay";
 180
 181                 eeprom@51 {
 182                         compatible = "atmel,24c02";
 183                         reg = <0x51>;
 184                         pagesize = <16>;
 185                         size = <256>;
 186                         vcc-supply = <&vdd_3v3>;
 187                 };
 188
 189                 pmic@5b {
 190                         compatible = "microchip,mcp16502";
 191                         reg = <0x5b>;
 192
 193                         regulators {
 194                                 vdd_3v3: VDD_IO {
 195                                         regulator-name = "VDD_IO";
 196                                         regulator-min-microvolt = <3300000>;
 197                                         regulator-max-microvolt = <3300000>;
 198                                         regulator-initial-mode = <2>;
 199                                         regulator-allowed-modes = <2>, <4>;
 200                                         regulator-always-on;
 201
 202                                         regulator-state-standby {
 203                                                 regulator-on-in-suspend;
 204                                                 regulator-suspend-microvolt = <3300000>;
 205                                                 regulator-mode = <4>;
 206                                         };
 207
 208                                         regulator-state-mem {
 209                                                 regulator-off-in-suspend;
 210                                                 regulator-mode = <4>;
 211                                         };
 212                                 };
 213
 214                                 vddioddr: VDD_DDR {
 215                                         regulator-name = "VDD_DDR";
 216                                         regulator-min-microvolt = <1350000>;
 217                                         regulator-max-microvolt = <1350000>;
 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-suspend-microvolt = <1350000>;
 225                                                 regulator-mode = <4>;
 226                                         };
 227
 228                                         regulator-state-mem {
 229                                                 regulator-on-in-suspend;
 230                                                 regulator-suspend-microvolt = <1350000>;
 231                                                 regulator-mode = <4>;
 232                                         };
 233                                 };
 234
 235                                 vddcore: VDD_CORE {
 236                                         regulator-name = "VDD_CORE";
 237                                         regulator-min-microvolt = <1150000>;
 238                                         regulator-max-microvolt = <1150000>;
 239                                         regulator-initial-mode = <2>;
 240                                         regulator-allowed-modes = <2>, <4>;
 241                                         regulator-always-on;
 242
 243                                         regulator-state-standby {
 244                                                 regulator-on-in-suspend;
 245                                                 regulator-suspend-microvolt = <1150000>;
 246                                                 regulator-mode = <4>;
 247                                         };
 248
 249                                         regulator-state-mem {
 250                                                 regulator-off-in-suspend;
 251                                                 regulator-mode = <4>;
 252                                         };
 253                                 };
 254
 255                                 vddcpu: VDD_OTHER {
 256                                         regulator-name = "VDD_OTHER";
 257                                         regulator-min-microvolt = <1050000>;
 258                                         regulator-max-microvolt = <1250000>;
 259                                         regulator-initial-mode = <2>;
 260                                         regulator-allowed-modes = <2>, <4>;
 261                                         regulator-ramp-delay = <3125>;
 262                                         regulator-always-on;
 263
 264                                         regulator-state-standby {
 265                                                 regulator-on-in-suspend;
 266                                                 regulator-suspend-microvolt = <1050000>;
 267                                                 regulator-mode = <4>;
 268                                         };
 269
 270                                         regulator-state-mem {
 271                                                 regulator-off-in-suspend;
 272                                                 regulator-mode = <4>;
 273                                         };
 274                                 };
 275
 276                                 vldo1: LDO1 {
 277                                         regulator-name = "LDO1";
 278                                         regulator-min-microvolt = <1800000>;
 279                                         regulator-max-microvolt = <1800000>;
 280                                         regulator-always-on;
 281
 282                                         regulator-state-standby {
 283                                                 regulator-suspend-microvolt = <1800000>;
 284                                                 regulator-on-in-suspend;
 285                                         };
 286
 287                                         regulator-state-mem {
 288                                                 regulator-off-in-suspend;
 289                                         };
 290                                 };
 291
 292                                 vldo2: LDO2 {
 293                                         regulator-name = "LDO2";
 294                                         regulator-min-microvolt = <3300000>;
 295                                         regulator-max-microvolt = <3300000>;
 296                                         regulator-always-on;
 297
 298                                         regulator-state-standby {
 299                                                 regulator-suspend-microvolt = <3300000>;
 300                                                 regulator-on-in-suspend;
 301                                         };
 302
 303                                         regulator-state-mem {
 304                                                 regulator-off-in-suspend;
 305                                         };
 306                                 };
 307                         };
 308                 };
 309         };
 310 };
 311
 312 &main_xtal {
 313         clock-frequency = <24000000>;
 314 };
 315
 316 &qspi1 {
 317         pinctrl-names = "default";
 318         pinctrl-0 = <&pinctrl_qspi1_default>;
 319         status = "okay";
 320
 321         flash@0 {
 322                 compatible = "jedec,spi-nor";
 323                 reg = <0x0>;
 324                 spi-max-frequency = <100000000>;
 325                 spi-tx-bus-width = <4>;
 326                 spi-rx-bus-width = <4>;
 327                 m25p,fast-read;
 328         };
 329 };
 330
 331 &pioA {
 332         pinctrl_flx3_default: flx3-default {
 333                 pinmux = <PIN_PD16__FLEXCOM3_IO0>,
 334                          <PIN_PD17__FLEXCOM3_IO1>;
 335                 bias-pull-up;
 336         };
 337
 338         pinctrl_flx10_default: flx10-default {
 339                 pinmux = <PIN_PC30__FLEXCOM10_IO0>,
 340                          <PIN_PC31__FLEXCOM10_IO1>;
 341                 bias-pull-up;
 342         };
 343
 344         pinctrl_key_gpio_default: key-gpio-default {
 345                 pinmux = <PIN_PD19__GPIO>;
 346                 bias-pull-up;
 347         };
 348
 349         pinctrl_led_gpio_default: led-gpio-default {
 350                 pinmux = <PIN_PD13__GPIO>,
 351                          <PIN_PD14__GPIO>,
 352                          <PIN_PB15__GPIO>;
 353                 bias-pull-up;
 354         };
 355
 356         pinctrl_mikrobus1_an_default: mikrobus1-an-default {
 357                 pinmux = <PIN_PC15__GPIO>;
 358                 bias-disable;
 359         };
 360
 361         pinctrl_mikrobus2_an_default: mikrobus2-an-default {
 362                 pinmux = <PIN_PC13__GPIO>;
 363                 bias-disable;
 364         };
 365
 366         pinctrl_nand_default: nand-default {
 367                 pinmux = <PIN_PD9__D0>,
 368                          <PIN_PD10__D1>,
 369                          <PIN_PD11__D2>,
 370                          <PIN_PC21__D3>,
 371                          <PIN_PC22__D4>,
 372                          <PIN_PC23__D5>,
 373                          <PIN_PC24__D6>,
 374                          <PIN_PD2__D7>,
 375                          <PIN_PD3__NANDRDY>,
 376                          <PIN_PD4__NCS3_NANDCS>,
 377                          <PIN_PD5__NWE_NWR0_NANDWE>,
 378                          <PIN_PD6__NRD_NANDOE>,
 379                          <PIN_PD7__A21_NANDALE>,
 380                          <PIN_PD8__A22_NANDCLE>;
 381                 bias-disable;
 382                 slew-rate = <0>;
 383         };
 384
 385         pinctrl_qspi1_default: qspi1-default {
 386                 pinmux = <PIN_PB22__QSPI1_IO3>,
 387                          <PIN_PB23__QSPI1_IO2>,
 388                          <PIN_PB24__QSPI1_IO1>,
 389                          <PIN_PB25__QSPI1_IO0>,
 390                          <PIN_PB26__QSPI1_CS>,
 391                          <PIN_PB27__QSPI1_SCK>;
 392                 bias-pull-up;
 393                 slew-rate = <0>;
 394         };
 395
 396         pinctrl_sdmmc0_default: sdmmc0-default {
 397                 pinmux = <PIN_PA0__SDMMC0_CK>,
 398                          <PIN_PA1__SDMMC0_CMD>,
 399                          <PIN_PA2__SDMMC0_RSTN>,
 400                          <PIN_PA3__SDMMC0_DAT0>,
 401                          <PIN_PA4__SDMMC0_DAT1>,
 402                          <PIN_PA5__SDMMC0_DAT2>,
 403                          <PIN_PA6__SDMMC0_DAT3>;
 404                 bias-pull-up;
 405                 slew-rate = <0>;
 406         };
 407
 408         pinctrl_sdmmc1_default: sdmmc1-default {
 409                 pinmux = <PIN_PB29__SDMMC1_CMD>,
 410                          <PIN_PB30__SDMMC1_CK>,
 411                          <PIN_PB31__SDMMC1_DAT0>,
 412                          <PIN_PC0__SDMMC1_DAT1>,
 413                          <PIN_PC1__SDMMC1_DAT2>,
 414                          <PIN_PC2__SDMMC1_DAT3>,
 415                          <PIN_PC4__SDMMC1_CD>;
 416                 bias-pull-up;
 417                 slew-rate = <0>;
 418         };
 419 };
 420
 421 &rtt {
 422         atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
 423 };
 424
 425 /* M.2 slot for wireless card */
 426 &sdmmc0 {
 427         bus-width = <4>;
 428         cd-gpios = <&pioA 31 GPIO_ACTIVE_LOW>;
 429         disable-wp;
 430         sdhci-caps-mask = <0x0 0x00200000>;
 431         vmmc-supply = <&vdd_3v3>;
 432         vqmmc-supply = <&vdd_3v3>;
 433         pinctrl-names = "default";
 434         pinctrl-0 = <&pinctrl_sdmmc0_default>;
 435         status = "okay";
 436 };
 437
 438 /* micro SD socket */
 439 &sdmmc1 {
 440         bus-width = <4>;
 441         disable-wp;
 442         sdhci-caps-mask = <0x0 0x00200000>;
 443         vmmc-supply = <&vdd_3v3>;
 444         vqmmc-supply = <&vdd_3v3>;
 445         pinctrl-names = "default";
 446         pinctrl-0 = <&pinctrl_sdmmc1_default>;
 447         status = "okay";
 448 };
 449
 450 &slow_xtal {
 451         clock-frequency = <32768>;
 452 };
 453
 454 &shdwc {
 455         debounce-delay-us = <976>;
 456         status = "okay";
 457
 458         input@0 {
 459                 reg = <0>;
 460         };
 461 };
 462
 463 &tcb0 {
 464         timer0: timer@0 {
 465                 compatible = "atmel,tcb-timer";
 466                 reg = <0>;
 467         };
 468
 469         timer1: timer@1 {
 470                 compatible = "atmel,tcb-timer";
 471                 reg = <1>;
 472         };
 473 };
 474
 475 &trng {
 476         status = "okay";
 477 };
 478
 479 &vddout25 {
 480         vin-supply = <&vdd_3v3>;
 481         status = "okay";
 482 };