arch/arm/boot/dts/at91-sama5d27_som1_ek.dts

   1 /*
   2  * at91-sama5d27_som1_ek.dts - Device Tree file for SAMA5D27-SOM1-EK board
   3  *
   4  *  Copyright (c) 2017, Microchip Technology Inc.
   5  *                2016 Nicolas Ferre <nicolas.ferre@atmel.com>
   6  *                2017 Cristian Birsan <cristian.birsan@microchip.com>
   7  *                2017 Claudiu Beznea <claudiu.beznea@microchip.com>
   8  *
   9  * This file is dual-licensed: you can use it either under the terms
  10  * of the GPL or the X11 license, at your option. Note that this dual
  11  * licensing only applies to this file, and not this project as a
  12  * whole.
  13  *
  14  *  a) This file is free software; you can redistribute it and/or
  15  *     modify it under the terms of the GNU General Public License as
  16  *     published by the Free Software Foundation; either version 2 of the
  17  *     License, or (at your option) any later version.
  18  *
  19  *     This file is distributed in the hope that it will be useful,
  20  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *     GNU General Public License for more details.
  23  *
  24  * Or, alternatively,
  25  *
  26  *  b) Permission is hereby granted, free of charge, to any person
  27  *     obtaining a copy of this software and associated documentation
  28  *     files (the "Software"), to deal in the Software without
  29  *     restriction, including without limitation the rights to use,
  30  *     copy, modify, merge, publish, distribute, sublicense, and/or
  31  *     sell copies of the Software, and to permit persons to whom the
  32  *     Software is furnished to do so, subject to the following
  33  *     conditions:
  34  *
  35  *     The above copyright notice and this permission notice shall be
  36  *     included in all copies or substantial portions of the Software.
  37  *
  38  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  39  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  40  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  41  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  42  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  43  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  44  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  45  *     OTHER DEALINGS IN THE SOFTWARE.
  46  */
  47 /dts-v1/;
  48 #include "at91-sama5d27_som1.dtsi"
  49 #include <dt-bindings/mfd/atmel-flexcom.h>
  50 #include <dt-bindings/gpio/gpio.h>
  51
  52 / {
  53         model = "Atmel SAMA5D27 SOM1 EK";
  54         compatible = "atmel,sama5d27-som1-ek", "atmel,sama5d27-som1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
  55
  56         aliases {
  57                 serial0 = &uart1;       /* DBGU */
  58                 serial1 = &uart4;       /* mikro BUS 1 */
  59                 serial2 = &uart2;       /* mikro BUS 2 */
  60                 i2c1    = &i2c1;
  61                 i2c2    = &i2c2;
  62         };
  63
  64         chosen {
  65                 stdout-path = "serial0:115200n8";
  66         };
  67
  68         ahb {
  69                 usb0: gadget@300000 {
  70                         atmel,vbus-gpio = <&pioA PIN_PD20 GPIO_ACTIVE_HIGH>;
  71                         pinctrl-names = "default";
  72                         pinctrl-0 = <&pinctrl_usba_vbus>;
  73                         status = "okay";
  74                 };
  75
  76                 usb1: ohci@400000 {
  77                         num-ports = <3>;
  78                         atmel,vbus-gpio = <0 /* &pioA PIN_PD20 GPIO_ACTIVE_HIGH */
  79                                            &pioA PIN_PA27 GPIO_ACTIVE_HIGH
  80                                            0
  81                                           >;
  82                         pinctrl-names = "default";
  83                         pinctrl-0 = <&pinctrl_usb_default>;
  84                         status = "okay";
  85                 };
  86
  87                 usb2: ehci@500000 {
  88                         status = "okay";
  89                 };
  90
  91                 sdmmc0: sdio-host@a0000000 {
  92                         bus-width = <8>;
  93                         pinctrl-names = "default";
  94                         pinctrl-0 = <&pinctrl_sdmmc0_default>;
  95                         status = "okay";
  96                 };
  97
  98                 sdmmc1: sdio-host@b0000000 {
  99                         bus-width = <4>;
 100                         pinctrl-names = "default";
 101                         pinctrl-0 = <&pinctrl_sdmmc1_default>;
 102                         status = "okay";
 103                 };
 104
 105                 apb {
 106                         isc: isc@f0008000 {
 107                                 pinctrl-names = "default";
 108                                 pinctrl-0 = <&pinctrl_isc_base &pinctrl_isc_data_8bit &pinctrl_isc_data_9_10 &pinctrl_isc_data_11_12>;
 109                                 status = "okay";
 110                         };
 111
 112                         qspi1: spi@f0024000 {
 113                                 status = "okay";
 114                         };
 115
 116                         spi0: spi@f8000000 {
 117                                 pinctrl-names = "default";
 118                                 pinctrl-0 = <&pinctrl_spi0_default>;
 119                                 status = "okay";
 120                         };
 121
 122                         macb0: ethernet@f8008000 {
 123                                 status = "okay";
 124                         };
 125
 126                         tcb0: timer@f800c000 {
 127                                 timer0: timer@0 {
 128                                         compatible = "atmel,tcb-timer";
 129                                         reg = <0>;
 130                                 };
 131
 132                                 timer1: timer@1 {
 133                                         compatible = "atmel,tcb-timer";
 134                                         reg = <1>;
 135                                 };
 136                         };
 137
 138                         uart1: serial@f8020000 {
 139                                 pinctrl-names = "default";
 140                                 pinctrl-0 = <&pinctrl_uart1_default>;
 141                                 atmel,use-dma-rx;
 142                                 atmel,use-dma-tx;
 143                                 status = "okay";
 144                         };
 145
 146                         uart2: serial@f8024000 {
 147                                 pinctrl-names = "default";
 148                                 pinctrl-0 = <&pinctrl_mikrobus2_uart>;
 149                                 atmel,use-dma-rx;
 150                                 atmel,use-dma-tx;
 151                                 status = "okay";
 152                         };
 153
 154                         pwm0: pwm@f802c000 {
 155                                 pinctrl-names = "default";
 156                                 pinctrl-0 = <&pinctrl_mikrobus1_pwm &pinctrl_mikrobus2_pwm>;
 157                                 status = "disabled"; /* Conflict with leds. */
 158                         };
 159
 160                         flx1: flexcom@f8038000 {
 161                                 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
 162                                 status = "okay";
 163
 164                                 i2c2: i2c@600 {
 165                                         compatible = "atmel,sama5d2-i2c";
 166                                         reg = <0x600 0x200>;
 167                                         interrupts = <20 IRQ_TYPE_LEVEL_HIGH 7>;
 168                                         dmas = <0>, <0>;
 169                                         dma-names = "tx", "rx";
 170                                         #address-cells = <1>;
 171                                         #size-cells = <0>;
 172                                         clocks = <&pmc PMC_TYPE_PERIPHERAL 20>;
 173                                         pinctrl-names = "default";
 174                                         pinctrl-0 = <&pinctrl_mikrobus_i2c>;
 175                                         atmel,fifo-size = <16>;
 176                                         status = "okay";
 177                                 };
 178                         };
 179
 180                         shdwc@f8048010 {
 181                                 atmel,shdwc-debouncer = <976>;
 182                                 atmel,wakeup-rtc-timer;
 183
 184                                 input@0 {
 185                                         reg = <0>;
 186                                         atmel,wakeup-type = "low";
 187                                 };
 188                         };
 189
 190                         watchdog@f8048040 {
 191                                 status = "okay";
 192                         };
 193
 194                         uart3: serial@fc008000 {
 195                                 atmel,use-dma-rx;
 196                                 atmel,use-dma-tx;
 197                                 pinctrl-names = "default";
 198                                 pinctrl-0 = <&pinctrl_uart3_default>;
 199                                 status = "disabled"; /* Conflict with isc. */
 200                         };
 201
 202                         uart4: serial@fc00c000 {
 203                                 atmel,use-dma-rx;
 204                                 atmel,use-dma-tx;
 205                                 pinctrl-names = "default";
 206                                 pinctrl-0 = <&pinctrl_mikrobus1_uart>;
 207                                 status = "okay";
 208                         };
 209
 210                         flx3: flexcom@fc014000 {
 211                                 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
 212                                 status = "disabled";
 213
 214                                 uart7: serial@200 {
 215                                         compatible = "atmel,at91sam9260-usart";
 216                                         reg = <0x200 0x200>;
 217                                         interrupts = <22 IRQ_TYPE_LEVEL_HIGH 7>;
 218                                         clocks = <&pmc PMC_TYPE_PERIPHERAL 22>;
 219                                         clock-names = "usart";
 220                                         pinctrl-names = "default";
 221                                         pinctrl-0 = <&pinctrl_flx3_default>;
 222                                         atmel,fifo-size = <32>;
 223                                         status = "disabled"; /* Conflict with isc. */
 224                                 };
 225
 226                                 spi2: spi@400 {
 227                                         compatible = "atmel,at91rm9200-spi";
 228                                         reg = <0x400 0x200>;
 229                                         interrupts = <22 IRQ_TYPE_LEVEL_HIGH 7>;
 230                                         clocks = <&pmc PMC_TYPE_PERIPHERAL 22>;
 231                                         clock-names = "spi_clk";
 232                                         pinctrl-names = "default";
 233                                         pinctrl-0 = <&pinctrl_flx3_default>;
 234                                         atmel,fifo-size = <16>;
 235                                         status = "disabled"; /* Conflict with isc. */
 236                                 };
 237                         };
 238
 239                         flx4: flexcom@fc018000 {
 240                                 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
 241                                 status = "okay";
 242
 243                                 uart6: serial@200 {
 244                                         compatible = "atmel,at91sam9260-usart";
 245                                         reg = <0x200 0x200>;
 246                                         interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
 247                                         clocks = <&pmc PMC_TYPE_PERIPHERAL 23>;
 248                                         clock-names = "usart";
 249                                         pinctrl-names = "default";
 250                                         pinctrl-0 = <&pinctrl_flx4_default>;
 251                                         atmel,fifo-size = <32>;
 252                                         status = "disabled"; /* Conflict with spi3 and i2c3. */
 253                                 };
 254
 255                                 spi3: spi@400 {
 256                                         compatible = "atmel,at91rm9200-spi";
 257                                         reg = <0x400 0x200>;
 258                                         interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
 259                                         clocks = <&pmc PMC_TYPE_PERIPHERAL 23>;
 260                                         clock-names = "spi_clk";
 261                                         pinctrl-names = "default";
 262                                         pinctrl-0 = <&pinctrl_mikrobus_spi &pinctrl_mikrobus1_spi_cs &pinctrl_mikrobus2_spi_cs>;
 263                                         atmel,fifo-size = <16>;
 264                                         status = "okay"; /* Conflict with uart6 and i2c3. */
 265                                 };
 266
 267                                 i2c3: i2c@600 {
 268                                         compatible = "atmel,sama5d2-i2c";
 269                                         reg = <0x600 0x200>;
 270                                         interrupts = <23 IRQ_TYPE_LEVEL_HIGH 7>;
 271                                         dmas = <0>, <0>;
 272                                         dma-names = "tx", "rx";
 273                                         #address-cells = <1>;
 274                                         #size-cells = <0>;
 275                                         clocks = <&pmc PMC_TYPE_PERIPHERAL 23>;
 276                                         pinctrl-names = "default";
 277                                         pinctrl-0 = <&pinctrl_flx4_default>;
 278                                         atmel,fifo-size = <16>;
 279                                         status = "disabled"; /* Conflict with uart6 and spi3. */
 280                                 };
 281                         };
 282
 283                         i2c1: i2c@fc028000 {
 284                                 dmas = <0>, <0>;
 285                                 pinctrl-names = "default";
 286                                 pinctrl-0 = <&pinctrl_i2c1_default>;
 287                                 status = "okay";
 288                         };
 289
 290                         adc: adc@fc030000 {
 291                                 vddana-supply = <&vddana>;
 292                                 vref-supply = <&advref>;
 293
 294                                 status = "disabled";
 295                         };
 296
 297                         pinctrl@fc038000 {
 298
 299                                 pinctrl_can1_default: can1_default {
 300                                         pinmux = <PIN_PC26__CANTX1>,
 301                                                  <PIN_PC27__CANRX1>;
 302                                         bias-disable;
 303                                 };
 304
 305                                 pinctrl_flx3_default: flx3_default {
 306                                         pinmux = <PIN_PC20__FLEXCOM3_IO0>,
 307                                                  <PIN_PC19__FLEXCOM3_IO1>,
 308                                                  <PIN_PC18__FLEXCOM3_IO2>,
 309                                                  <PIN_PC21__FLEXCOM3_IO3>,
 310                                                  <PIN_PC22__FLEXCOM3_IO4>;
 311                                         bias-disable;
 312                                 };
 313
 314                                 pinctrl_i2c1_default: i2c1_default {
 315                                         pinmux = <PIN_PD4__TWD1>,
 316                                                  <PIN_PD5__TWCK1>;
 317                                         bias-disable;
 318                                 };
 319
 320                                 pinctrl_isc_base: isc_base {
 321                                         pinmux = <PIN_PC21__ISC_PCK>,
 322                                                  <PIN_PC22__ISC_VSYNC>,
 323                                                  <PIN_PC23__ISC_HSYNC>,
 324                                                  <PIN_PC24__ISC_MCK>;
 325                                         bias-disable;
 326                                 };
 327
 328                                 pinctrl_isc_data_8bit: isc_data_8bit {
 329                                         pinmux = <PIN_PC20__ISC_D11>,
 330                                                  <PIN_PC19__ISC_D10>,
 331                                                  <PIN_PC18__ISC_D9>,
 332                                                  <PIN_PC17__ISC_D8>,
 333                                                  <PIN_PC16__ISC_D7>,
 334                                                  <PIN_PC15__ISC_D6>,
 335                                                  <PIN_PC14__ISC_D5>,
 336                                                  <PIN_PC13__ISC_D4>;
 337                                         bias-disable;
 338                                 };
 339
 340                                 pinctrl_isc_data_9_10: isc_data_9_10 {
 341                                         pinmux = <PIN_PC12__ISC_D3>,
 342                                                  <PIN_PC11__ISC_D2>;
 343                                         bias-disable;
 344                                 };
 345
 346                                 pinctrl_isc_data_11_12: isc_data_11_12 {
 347                                         pinmux = <PIN_PC10__ISC_D1>,
 348                                                  <PIN_PC9__ISC_D0>;
 349                                         bias-disable;
 350                                 };
 351
 352                                 pinctrl_key_gpio_default: key_gpio_default {
 353                                         pinmux = <PIN_PA29__GPIO>;
 354                                         bias-pull-up;
 355                                 };
 356
 357                                 pinctrl_led_gpio_default: led_gpio_default {
 358                                         pinmux = <PIN_PA10__GPIO>,
 359                                                  <PIN_PB1__GPIO>,
 360                                                  <PIN_PA31__GPIO>;
 361                                         bias-pull-up;
 362                                 };
 363
 364                                 pinctrl_sdmmc0_default: sdmmc0_default {
 365                                         cmd_data {
 366                                                 pinmux = <PIN_PA1__SDMMC0_CMD>,
 367                                                          <PIN_PA2__SDMMC0_DAT0>,
 368                                                          <PIN_PA3__SDMMC0_DAT1>,
 369                                                          <PIN_PA4__SDMMC0_DAT2>,
 370                                                          <PIN_PA5__SDMMC0_DAT3>,
 371                                                          <PIN_PA6__SDMMC0_DAT4>,
 372                                                          <PIN_PA7__SDMMC0_DAT5>,
 373                                                          <PIN_PA8__SDMMC0_DAT6>,
 374                                                          <PIN_PA9__SDMMC0_DAT7>;
 375                                                 bias-disable;
 376                                         };
 377
 378                                         ck_cd_vddsel {
 379                                                 pinmux = <PIN_PA0__SDMMC0_CK>,
 380                                                          <PIN_PA11__SDMMC0_VDDSEL>,
 381                                                          <PIN_PA13__SDMMC0_CD>;
 382                                                 bias-disable;
 383                                         };
 384                                 };
 385
 386                                 pinctrl_sdmmc1_default: sdmmc1_default {
 387                                         cmd_data {
 388                                                 pinmux = <PIN_PA28__SDMMC1_CMD>,
 389                                                          <PIN_PA18__SDMMC1_DAT0>,
 390                                                          <PIN_PA19__SDMMC1_DAT1>,
 391                                                          <PIN_PA20__SDMMC1_DAT2>,
 392                                                          <PIN_PA21__SDMMC1_DAT3>;
 393                                                 bias-disable;
 394                                         };
 395
 396                                         conf-ck_cd {
 397                                                 pinmux = <PIN_PA22__SDMMC1_CK>,
 398                                                          <PIN_PA30__SDMMC1_CD>;
 399                                                 bias-disable;
 400                                         };
 401                                 };
 402
 403                                 pinctrl_spi0_default: spi0_default {
 404                                         pinmux = <PIN_PA14__SPI0_SPCK>,
 405                                                  <PIN_PA15__SPI0_MOSI>,
 406                                                  <PIN_PA16__SPI0_MISO>,
 407                                                  <PIN_PA17__SPI0_NPCS0>;
 408                                         bias-disable;
 409                                 };
 410
 411                                 pinctrl_uart1_default: uart1_default {
 412                                         pinmux = <PIN_PD2__URXD1>,
 413                                                  <PIN_PD3__UTXD1>;
 414                                         bias-disable;
 415                                 };
 416
 417                                 pinctrl_uart3_default: uart3_default {
 418                                         pinmux = <PIN_PC12__URXD3>,
 419                                                  <PIN_PC13__UTXD3>;
 420                                         bias-disable;
 421                                 };
 422
 423                                 pinctrl_usb_default: usb_default {
 424                                         pinmux = <PIN_PA27__GPIO>,
 425                                                  <PIN_PD19__GPIO>;
 426                                         bias-disable;
 427                                 };
 428
 429                                 pinctrl_usba_vbus: usba_vbus {
 430                                         pinmux = <PIN_PD20__GPIO>;
 431                                         bias-disable;
 432                                 };
 433
 434                                 pinctrl_mikrobus1_an: mikrobus1_an {
 435                                         pinmux = <PIN_PD25__GPIO>;
 436                                         bias-disable;
 437                                 };
 438
 439                                 pinctrl_mikrobus2_an: mikrobus2_an {
 440                                         pinmux = <PIN_PD26__GPIO>;
 441                                         bias-disable;
 442                                 };
 443
 444                                 pinctrl_mikrobus1_rst: mikrobus1_rst {
 445                                         pinmux = <PIN_PB2__GPIO>;
 446                                         bias-disable;
 447                                 };
 448
 449                                 pinctrl_mikrobus2_rst: mikrobus2_rst {
 450                                         pinmux = <PIN_PA26__GPIO>;
 451                                         bias-disable;
 452                                 };
 453
 454                                 pinctrl_mikrobus1_spi_cs: mikrobus1_spi_cs {
 455                                         pinmux = <PIN_PD0__FLEXCOM4_IO4>;
 456                                         bias-disable;
 457                                 };
 458
 459                                 pinctrl_mikrobus2_spi_cs: mikrobus2_spi_cs {
 460                                         pinmux = <PIN_PC31__FLEXCOM4_IO3>;
 461                                         bias-disable;
 462                                 };
 463
 464                                 pinctrl_mikrobus_spi: mikrobus_spi {
 465                                         pinmux = <PIN_PC28__FLEXCOM4_IO0>,
 466                                                  <PIN_PC29__FLEXCOM4_IO1>,
 467                                                  <PIN_PC30__FLEXCOM4_IO2>;
 468                                         bias-disable;
 469                                 };
 470
 471                                 pinctrl_mikrobus1_pwm: mikrobus1_pwm {
 472                                         pinmux = <PIN_PB1__PWML1>;
 473                                         bias-disable;
 474                                 };
 475
 476                                 pinctrl_mikrobus2_pwm: mikrobus2_pwm {
 477                                         pinmux = <PIN_PA31__PWML0>;
 478                                         bias-disable;
 479                                 };
 480
 481                                 pinctrl_mikrobus1_int: mikrobus1_int {
 482                                         pinmux = <PIN_PB0__GPIO>;
 483                                         bias-disable;
 484                                 };
 485
 486                                 pinctrl_mikrobus2_int: mikrobus2_int {
 487                                         pinmux = <PIN_PA25__GPIO>;
 488                                         bias-disable;
 489                                 };
 490
 491                                 pinctrl_mikrobus1_uart: mikrobus1_uart {
 492                                         pinmux = <PIN_PB3__URXD4>,
 493                                                  <PIN_PB4__UTXD4>;
 494                                         bias-disable;
 495                                 };
 496
 497                                 pinctrl_mikrobus2_uart: mikrobus2_uart {
 498                                         pinmux = <PIN_PD23__URXD2>,
 499                                                  <PIN_PD24__UTXD2>;
 500                                         bias-disable;
 501                                 };
 502
 503                                 pinctrl_mikrobus_i2c: mikrobus1_i2c {
 504                                         pinmux = <PIN_PA24__FLEXCOM1_IO0>,
 505                                                  <PIN_PA23__FLEXCOM1_IO1>;
 506                                         bias-disable;
 507                                 };
 508
 509                                 pinctrl_flx4_default: flx4_uart_default {
 510                                         pinmux = <PIN_PC28__FLEXCOM4_IO0>,
 511                                                  <PIN_PC29__FLEXCOM4_IO1>,
 512                                                  <PIN_PC30__FLEXCOM4_IO2>,
 513                                                  <PIN_PC31__FLEXCOM4_IO3>,
 514                                                  <PIN_PD0__FLEXCOM4_IO4>;
 515                                         bias-disable;
 516                                 };
 517                         };
 518
 519                         can1: can@fc050000 {
 520                                 pinctrl-names = "default";
 521                                 pinctrl-0 = <&pinctrl_can1_default>;
 522                                 status = "okay";
 523                         };
 524                 };
 525         };
 526
 527         gpio_keys {
 528                 compatible = "gpio-keys";
 529
 530                 pinctrl-names = "default";
 531                 pinctrl-0 = <&pinctrl_key_gpio_default>;
 532
 533                 pb4 {
 534                         label = "USER";
 535                         gpios = <&pioA PIN_PA29 GPIO_ACTIVE_LOW>;
 536                         linux,code = <0x104>;
 537                         wakeup-source;
 538                 };
 539         };
 540
 541         leds {
 542                 compatible = "gpio-leds";
 543                 pinctrl-names = "default";
 544                 pinctrl-0 = <&pinctrl_led_gpio_default>;
 545                 status = "okay"; /* Conflict with pwm0. */
 546
 547                 red {
 548                         label = "red";
 549                         gpios = <&pioA PIN_PA10 GPIO_ACTIVE_HIGH>;
 550                 };
 551
 552                 green {
 553                         label = "green";
 554                         gpios = <&pioA PIN_PB1 GPIO_ACTIVE_HIGH>;
 555                 };
 556
 557                 blue {
 558                         label = "blue";
 559                         gpios = <&pioA PIN_PA31 GPIO_ACTIVE_HIGH>;
 560                         linux,default-trigger = "heartbeat";
 561                 };
 562         };
 563
 564         vddin_3v3: fixed-regulator-vddin_3v3 {
 565                 compatible = "regulator-fixed";
 566
 567                 regulator-name = "VDDIN_3V3";
 568                 regulator-min-microvolt = <3300000>;
 569                 regulator-max-microvolt = <3300000>;
 570                 regulator-always-on;
 571                 regulator-boot-on;
 572                 status = "okay";
 573         };
 574
 575         vddana: fixed-regulator-vddana {
 576                 compatible = "regulator-fixed";
 577
 578                 regulator-name = "VDDANA";
 579                 regulator-min-microvolt = <3300000>;
 580                 regulator-max-microvolt = <3300000>;
 581                 regulator-always-on;
 582                 regulator-boot-on;
 583                 vin-supply = <&vddin_3v3>;
 584                 status = "okay";
 585         };
 586
 587         advref: fixed-regulator-advref {
 588                 compatible = "regulator-fixed";
 589
 590                 regulator-name = "advref";
 591                 regulator-min-microvolt = <3300000>;
 592                 regulator-max-microvolt = <3300000>;
 593                 regulator-always-on;
 594                 regulator-boot-on;
 595                 vin-supply = <&vddana>;
 596                 status = "okay";
 597         };
 598 };