arch/arm/boot/dts/qcom-apq8060-dragonboard.dts

   1 /*
   2  * Copyright 2016 Linaro Ltd
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  20  * THE SOFTWARE.
  21  */
  22
  23 #include <dt-bindings/input/input.h>
  24 #include <dt-bindings/gpio/gpio.h>
  25 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
  26 #include "qcom-msm8660.dtsi"
  27
  28 / {
  29         model = "Qualcomm APQ8060 Dragonboard";
  30         compatible = "qcom,apq8060-dragonboard", "qcom,msm8660";
  31
  32         aliases {
  33                 serial0 = &gsbi12_serial;
  34         };
  35
  36         chosen {
  37                 stdout-path = "serial0:115200n8";
  38         };
  39
  40         regulators {
  41                 compatible = "simple-bus";
  42
  43                 /* Main power of the board: 3.7V */
  44                 vph: regulator-fixed {
  45                         compatible = "regulator-fixed";
  46                         regulator-min-microvolt = <3700000>;
  47                         regulator-max-microvolt = <3700000>;
  48                         regulator-name = "VPH";
  49                         regulator-type = "voltage";
  50                         regulator-always-on;
  51                         regulator-boot-on;
  52                 };
  53
  54                 /* This is a levelshifter for SDCC5 */
  55                 dragon_vio_txb: txb0104rgyr {
  56                         compatible = "regulator-fixed";
  57                         regulator-name = "Dragon SDCC levelshifter";
  58                         vin-supply = <&pm8058_l14>;
  59                         regulator-always-on;
  60                 };
  61         };
  62
  63         soc {
  64                 pinctrl@800000 {
  65                         /* eMMMC pins, all 8 data lines connected */
  66                         dragon_sdcc1_pins: sdcc1 {
  67                                 mux {
  68                                         pins = "gpio159", "gpio160", "gpio161",
  69                                              "gpio162", "gpio163", "gpio164",
  70                                              "gpio165", "gpio166", "gpio167",
  71                                              "gpio168";
  72                                              function = "sdc1";
  73                                 };
  74                                 clk {
  75                                         pins = "gpio167"; /* SDC5 CLK */
  76                                         drive-strength = <16>;
  77                                         bias-disable;
  78                                 };
  79                                 cmd {
  80                                         pins = "gpio168"; /* SDC5 CMD */
  81                                         drive-strength = <10>;
  82                                         bias-pull-up;
  83                                 };
  84                                 data {
  85                                         /* SDC5 D0 to D7 */
  86                                         pins = "gpio159", "gpio160", "gpio161", "gpio162",
  87                                              "gpio163", "gpio164", "gpio165", "gpio166";
  88                                         drive-strength = <10>;
  89                                         bias-pull-up;
  90                                 };
  91                         };
  92
  93                         /*
  94                          * The SDCC3 pins are hardcoded (non-muxable) but need some pin
  95                          * configuration.
  96                          */
  97                         dragon_sdcc3_pins: sdcc3 {
  98                                 clk {
  99                                         pins = "sdc3_clk";
 100                                         drive-strength = <8>;
 101                                         bias-disable;
 102                                 };
 103                                 cmd {
 104                                         pins = "sdc3_cmd";
 105                                         drive-strength = <8>;
 106                                         bias-pull-up;
 107                                 };
 108                                 data {
 109                                         pins = "sdc3_data";
 110                                         drive-strength = <8>;
 111                                         bias-pull-up;
 112                                 };
 113                         };
 114
 115                         /* Second SD card slot pins */
 116                         dragon_sdcc5_pins: sdcc5 {
 117                                 mux {
 118                                         pins = "gpio95", "gpio96", "gpio97",
 119                                             "gpio98", "gpio99", "gpio100";
 120                                         function = "sdc5";
 121                                 };
 122                                 clk {
 123                                         pins = "gpio97"; /* SDC5 CLK */
 124                                         drive-strength = <16>;
 125                                         bias-disable;
 126                                 };
 127                                 cmd {
 128                                         pins = "gpio95"; /* SDC5 CMD */
 129                                         drive-strength = <10>;
 130                                         bias-pull-up;
 131                                 };
 132                                 data {
 133                                         /* SDC5 D0 to D3 */
 134                                         pins = "gpio96", "gpio98", "gpio99", "gpio100";
 135                                         drive-strength = <10>;
 136                                         bias-pull-up;
 137                                 };
 138                         };
 139
 140                         dragon_gsbi12_i2c_pins: gsbi12_i2c {
 141                                 mux {
 142                                         pins = "gpio115", "gpio116";
 143                                         function = "gsbi12";
 144                                 };
 145                                 pinconf {
 146                                         pins = "gpio115", "gpio116";
 147                                         drive-strength = <16>;
 148                                         /* These have external pull-up 4.7kOhm to 1.8V */
 149                                         bias-disable;
 150                                 };
 151                         };
 152
 153                         /* Primary serial port uart 0 pins */
 154                         dragon_gsbi12_serial_pins: gsbi12_serial {
 155                                 mux {
 156                                         pins = "gpio117", "gpio118";
 157                                         function = "gsbi12";
 158                                 };
 159                                 tx {
 160                                         pins = "gpio117";
 161                                         drive-strength = <8>;
 162                                         bias-disable;
 163                                 };
 164                                 rx {
 165                                         pins = "gpio118";
 166                                         drive-strength = <2>;
 167                                         bias-pull-up;
 168                                 };
 169                         };
 170                 };
 171
 172                 qcom,ssbi@500000 {
 173                         pmic@0 {
 174                                 keypad@148 {
 175                                         linux,keymap = <
 176                                         MATRIX_KEY(0, 0, KEY_MENU)
 177                                         MATRIX_KEY(0, 2, KEY_1)
 178                                         MATRIX_KEY(0, 3, KEY_4)
 179                                         MATRIX_KEY(0, 4, KEY_7)
 180                                         MATRIX_KEY(1, 0, KEY_UP)
 181                                         MATRIX_KEY(1, 1, KEY_LEFT)
 182                                         MATRIX_KEY(1, 2, KEY_DOWN)
 183                                         MATRIX_KEY(1, 3, KEY_5)
 184                                         MATRIX_KEY(1, 3, KEY_8)
 185                                         MATRIX_KEY(2, 0, KEY_HOME)
 186                                         MATRIX_KEY(2, 1, KEY_REPLY)
 187                                         MATRIX_KEY(2, 2, KEY_2)
 188                                         MATRIX_KEY(2, 3, KEY_6)
 189                                         MATRIX_KEY(3, 0, KEY_VOLUMEUP)
 190                                         MATRIX_KEY(3, 1, KEY_RIGHT)
 191                                         MATRIX_KEY(3, 2, KEY_3)
 192                                         MATRIX_KEY(3, 3, KEY_9)
 193                                         MATRIX_KEY(3, 4, KEY_SWITCHVIDEOMODE)
 194                                         MATRIX_KEY(4, 0, KEY_VOLUMEDOWN)
 195                                         MATRIX_KEY(4, 1, KEY_BACK)
 196                                         MATRIX_KEY(4, 2, KEY_CAMERA)
 197                                         MATRIX_KEY(4, 3, KEY_KBDILLUMTOGGLE)
 198                                         >;
 199                                         keypad,num-rows = <6>;
 200                                         keypad,num-columns = <5>;
 201                                 };
 202
 203                                 gpio@150 {
 204                                         dragon_bmp085_gpios: bmp085-gpios {
 205                                                 pinconf {
 206                                                         pins = "gpio16";
 207                                                         function = "normal";
 208                                                         input-enable;
 209                                                         bias-disable;
 210                                                         power-source = <PM8058_GPIO_S3>;
 211                                                 };
 212                                         };
 213                                         dragon_sdcc3_gpios: sdcc3-gpios {
 214                                                 pinconf {
 215                                                         pins = "gpio22";
 216                                                         function = "normal";
 217                                                         input-enable;
 218                                                         bias-disable;
 219                                                         power-source = <PM8058_GPIO_S3>;
 220                                                 };
 221                                         };
 222                                         dragon_sdcc5_gpios: sdcc5-gpios {
 223                                                 pinconf {
 224                                                         pins = "gpio26";
 225                                                         function = "normal";
 226                                                         input-enable;
 227                                                         bias-pull-up;
 228                                                         qcom,pull-up-strength = <PMIC_GPIO_PULL_UP_30>;
 229                                                         power-source = <PM8058_GPIO_S3>;
 230                                                 };
 231                                         };
 232                                         dragon_ak8975_gpios: ak8975-gpios {
 233                                                 pinconf {
 234                                                         pins = "gpio33";
 235                                                         function = "normal";
 236                                                         input-enable;
 237                                                         bias-disable;
 238                                                         power-source = <PM8058_GPIO_S3>;
 239                                                 };
 240                                         };
 241                                 };
 242
 243                                 led@48 {
 244                                         /*
 245                                          * The keypad LED @0x48 is routed to
 246                                          * the sensor board where it is
 247                                          * connected to an infrared LED
 248                                          * SFH4650 (60mW, @850nm) next to the
 249                                          * ambient light and proximity sensor
 250                                          * Capella Microsystems CM3605.
 251                                          */
 252                                         compatible = "qcom,pm8058-keypad-led";
 253                                         reg = <0x48>;
 254                                         label = "pm8058:infrared:proximitysensor";
 255                                         default-state = "off";
 256                                 };
 257                                 led@131 {
 258                                         compatible = "qcom,pm8058-led";
 259                                         reg = <0x131>;
 260                                         label = "pm8058:red";
 261                                         default-state = "off";
 262                                 };
 263                                 led@132 {
 264                                         /*
 265                                          * This is actually green too on my
 266                                          * board, but documented as yellow.
 267                                          */
 268                                         compatible = "qcom,pm8058-led";
 269                                         reg = <0x132>;
 270                                         label = "pm8058:yellow";
 271                                         default-state = "off";
 272                                         linux,default-trigger = "mmc0";
 273                                 };
 274                                 led@133 {
 275                                         compatible = "qcom,pm8058-led";
 276                                         reg = <0x133>;
 277                                         label = "pm8058:green";
 278                                         default-state = "on";
 279                                         linux,default-trigger = "heartbeat";
 280                                 };
 281                         };
 282                 };
 283
 284                 gsbi@19c00000 {
 285                         status = "ok";
 286                         qcom,mode = <GSBI_PROT_I2C_UART>;
 287
 288                         serial@19c40000 {
 289                                 status = "ok";
 290                                 pinctrl-names = "default";
 291                                 pinctrl-0 = <&dragon_gsbi12_serial_pins>;
 292                         };
 293
 294                         i2c@19c80000 {
 295                                 status = "ok";
 296                                 pinctrl-names = "default";
 297                                 pinctrl-0 = <&dragon_gsbi12_i2c_pins>;
 298
 299                                 ak8975@0c {
 300                                         compatible = "asahi-kasei,ak8975";
 301                                         reg = <0x0c>;
 302                                         /* GPIO33 has interrupt 224 on the PM8058 */
 303                                         interrupt-parent = <&pm8058_gpio>;
 304                                         interrupts = <224 IRQ_TYPE_EDGE_RISING>;
 305                                         pinctrl-names = "default";
 306                                         pinctrl-0 = <&dragon_ak8975_gpios>;
 307                                         vid-supply = <&pm8058_lvs0>; // 1.8V
 308                                         vdd-supply = <&pm8058_l14>; // 2.85V
 309                                 };
 310                                 bmp085@77 {
 311                                         compatible = "bosch,bmp085";
 312                                         reg = <0x77>;
 313                                         /* GPIO16 has interrupt 207 on the PM8058 */
 314                                         interrupt-parent = <&pm8058_gpio>;
 315                                         interrupts = <207 IRQ_TYPE_EDGE_RISING>;
 316                                         reset-gpios = <&tlmm 86 GPIO_ACTIVE_LOW>;
 317                                         pinctrl-names = "default";
 318                                         pinctrl-0 = <&dragon_bmp085_gpios>;
 319                                         vddd-supply = <&pm8058_lvs0>; // 1.8V
 320                                         vdda-supply = <&pm8058_l14>; // 2.85V
 321                                 };
 322                         };
 323                 };
 324
 325                 rpm@104000 {
 326                         /*
 327                          * Set up of the PMIC RPM regulators for this board
 328                          * PM8901 supplies "preliminary regulators" whatever
 329                          * that means
 330                          */
 331                         pm8901-regulators {
 332                                 vdd_l0-supply = <&pm8901_s4>;
 333                                 vdd_l1-supply = <&vph>;
 334                                 vdd_l2-supply = <&vph>;
 335                                 vdd_l3-supply = <&vph>;
 336                                 vdd_l4-supply = <&vph>;
 337                                 vdd_l5-supply = <&vph>;
 338                                 vdd_l6-supply = <&vph>;
 339                                 /* vdd_s0-supply, vdd_s1-supply: SAW regulators */
 340                                 vdd_s2-supply = <&vph>;
 341                                 vdd_s3-supply = <&vph>;
 342                                 vdd_s4-supply = <&vph>;
 343                                 lvs0_in-supply = <&pm8058_s3>;
 344                                 lvs1_in-supply = <&pm8901_s4>;
 345                                 lvs2_in-supply = <&pm8058_l0>;
 346                                 lvs3_in-supply = <&pm8058_s2>;
 347                                 mvs_in-supply = <&pm8058_s3>;
 348
 349                                 l0 {
 350                                         regulator-min-microvolt = <1200000>;
 351                                         regulator-max-microvolt = <1200000>;
 352                                         bias-pull-down;
 353                                 };
 354                                 l1 {
 355                                         regulator-min-microvolt = <3300000>;
 356                                         regulator-max-microvolt = <3300000>;
 357                                         bias-pull-down;
 358                                 };
 359                                 l2 {
 360                                         regulator-min-microvolt = <2850000>;
 361                                         regulator-max-microvolt = <3300000>;
 362                                         bias-pull-down;
 363                                 };
 364                                 l3 {
 365                                         regulator-min-microvolt = <3300000>;
 366                                         regulator-max-microvolt = <3300000>;
 367                                         bias-pull-down;
 368                                 };
 369                                 l4 {
 370                                         regulator-min-microvolt = <2600000>;
 371                                         regulator-max-microvolt = <2600000>;
 372                                         bias-pull-down;
 373                                 };
 374                                 l5 {
 375                                         regulator-min-microvolt = <2850000>;
 376                                         regulator-max-microvolt = <2850000>;
 377                                         bias-pull-down;
 378                                 };
 379                                 l6 {
 380                                         regulator-min-microvolt = <2200000>;
 381                                         regulator-max-microvolt = <2200000>;
 382                                         bias-pull-down;
 383                                 };
 384
 385                                 /* s0 and s1 are SAW regulators controlled over SPM */
 386                                 s2 {
 387                                         regulator-min-microvolt = <1300000>;
 388                                         regulator-max-microvolt = <1300000>;
 389                                         qcom,switch-mode-frequency = <1600000>;
 390                                         bias-pull-down;
 391                                 };
 392                                 s3 {
 393                                         regulator-min-microvolt = <1100000>;
 394                                         regulator-max-microvolt = <1100000>;
 395                                         qcom,switch-mode-frequency = <1600000>;
 396                                         bias-pull-down;
 397                                 };
 398                                 s4 {
 399                                         regulator-min-microvolt = <1225000>;
 400                                         regulator-max-microvolt = <1225000>;
 401                                         qcom,switch-mode-frequency = <1600000>;
 402                                         bias-pull-down;
 403                                 };
 404
 405                                 /* LVS0 thru 3 and mvs0 are just switches */
 406                                 lvs0 {
 407                                         regulator-always-on;
 408                                 };
 409                                 lvs1 { };
 410                                 lvs2 { };
 411                                 lvs3 { };
 412                                 mvs0 {};
 413
 414                         };
 415
 416                         pm8058-regulators {
 417                                 vdd_l0_l1_lvs-supply = <&pm8058_s3>;
 418                                 vdd_l2_l11_l12-supply = <&vph>;
 419                                 vdd_l3_l4_l5-supply = <&vph>;
 420                                 vdd_l6_l7-supply = <&vph>;
 421                                 vdd_l8-supply = <&vph>;
 422                                 vdd_l9-supply = <&vph>;
 423                                 vdd_l10-supply = <&vph>;
 424                                 vdd_l13_l16-supply = <&pm8058_s4>;
 425                                 vdd_l14_l15-supply = <&vph>;
 426                                 vdd_l17_l18-supply = <&vph>;
 427                                 vdd_l19_l20-supply = <&vph>;
 428                                 vdd_l21-supply = <&pm8058_s3>;
 429                                 vdd_l22-supply = <&pm8058_s3>;
 430                                 vdd_l23_l24_l25-supply = <&pm8058_s3>;
 431                                 vdd_s0-supply = <&vph>;
 432                                 vdd_s1-supply = <&vph>;
 433                                 vdd_s2-supply = <&vph>;
 434                                 vdd_s3-supply = <&vph>;
 435                                 vdd_s4-supply = <&vph>;
 436                                 vdd_ncp-supply = <&vph>;
 437
 438                                 l0 {
 439                                         regulator-min-microvolt = <1200000>;
 440                                         regulator-max-microvolt = <1200000>;
 441                                         bias-pull-down;
 442                                 };
 443                                 l1 {
 444                                         regulator-min-microvolt = <1200000>;
 445                                         regulator-max-microvolt = <1200000>;
 446                                         bias-pull-down;
 447                                 };
 448                                 l2 {
 449                                         regulator-min-microvolt = <1800000>;
 450                                         regulator-max-microvolt = <2600000>;
 451                                         bias-pull-down;
 452                                 };
 453                                 l3 {
 454                                         regulator-min-microvolt = <1800000>;
 455                                         regulator-max-microvolt = <1800000>;
 456                                         bias-pull-down;
 457                                 };
 458                                 l4 {
 459                                         regulator-min-microvolt = <2850000>;
 460                                         regulator-max-microvolt = <2850000>;
 461                                         bias-pull-down;
 462                                 };
 463                                 l5 {
 464                                         regulator-min-microvolt = <2850000>;
 465                                         regulator-max-microvolt = <2850000>;
 466                                         bias-pull-down;
 467                                 };
 468                                 l6 {
 469                                         regulator-min-microvolt = <3000000>;
 470                                         regulator-max-microvolt = <3600000>;
 471                                         bias-pull-down;
 472                                 };
 473                                 l7 {
 474                                         regulator-min-microvolt = <1800000>;
 475                                         regulator-max-microvolt = <1800000>;
 476                                         bias-pull-down;
 477                                 };
 478                                 l8 {
 479                                         regulator-min-microvolt = <2900000>;
 480                                         regulator-max-microvolt = <3050000>;
 481                                         bias-pull-down;
 482                                 };
 483                                 l9 {
 484                                         regulator-min-microvolt = <1800000>;
 485                                         regulator-max-microvolt = <1800000>;
 486                                         bias-pull-down;
 487                                 };
 488                                 l10 {
 489                                         regulator-min-microvolt = <2600000>;
 490                                         regulator-max-microvolt = <2600000>;
 491                                         bias-pull-down;
 492                                 };
 493                                 l11 {
 494                                         regulator-min-microvolt = <1500000>;
 495                                         regulator-max-microvolt = <1500000>;
 496                                         bias-pull-down;
 497                                 };
 498                                 l12 {
 499                                         regulator-min-microvolt = <2900000>;
 500                                         regulator-max-microvolt = <2900000>;
 501                                         bias-pull-down;
 502                                 };
 503                                 l13 {
 504                                         regulator-min-microvolt = <2050000>;
 505                                         regulator-max-microvolt = <2050000>;
 506                                         bias-pull-down;
 507                                 };
 508                                 l14 {
 509                                         regulator-min-microvolt = <2850000>;
 510                                         regulator-max-microvolt = <2850000>;
 511                                 };
 512                                 l15 {
 513                                         regulator-min-microvolt = <2850000>;
 514                                         regulator-max-microvolt = <2850000>;
 515                                         bias-pull-down;
 516                                 };
 517                                 l16 {
 518                                         regulator-min-microvolt = <1800000>;
 519                                         regulator-max-microvolt = <1800000>;
 520                                         bias-pull-down;
 521                                         regulator-always-on;
 522                                 };
 523                                 l17 {
 524                                         // 1.5V according to schematic
 525                                         regulator-min-microvolt = <2600000>;
 526                                         regulator-max-microvolt = <2600000>;
 527                                         bias-pull-down;
 528                                 };
 529                                 l18 {
 530                                         regulator-min-microvolt = <2200000>;
 531                                         regulator-max-microvolt = <2200000>;
 532                                         bias-pull-down;
 533                                 };
 534                                 l19 {
 535                                         regulator-min-microvolt = <2500000>;
 536                                         regulator-max-microvolt = <2500000>;
 537                                         bias-pull-down;
 538                                 };
 539                                 l20 {
 540                                         regulator-min-microvolt = <1800000>;
 541                                         regulator-max-microvolt = <1800000>;
 542                                         bias-pull-down;
 543                                 };
 544                                 l21 {
 545                                         // 1.1 V according to schematic
 546                                         regulator-min-microvolt = <1200000>;
 547                                         regulator-max-microvolt = <1200000>;
 548                                         bias-pull-down;
 549                                         regulator-always-on;
 550                                 };
 551                                 l22 {
 552                                         // 1.2 V according to schematic
 553                                         regulator-min-microvolt = <1150000>;
 554                                         regulator-max-microvolt = <1150000>;
 555                                         bias-pull-down;
 556                                 };
 557                                 l23 {
 558                                         // Unused
 559                                         regulator-min-microvolt = <1200000>;
 560                                         regulator-max-microvolt = <1200000>;
 561                                         bias-pull-down;
 562                                 };
 563                                 l24 {
 564                                         // Unused
 565                                         regulator-min-microvolt = <1200000>;
 566                                         regulator-max-microvolt = <1200000>;
 567                                         bias-pull-down;
 568                                 };
 569                                 l25 {
 570                                         regulator-min-microvolt = <1200000>;
 571                                         regulator-max-microvolt = <1200000>;
 572                                         bias-pull-down;
 573                                 };
 574
 575                                 s0 {
 576                                         // regulator-min-microvolt = <500000>;
 577                                         // regulator-max-microvolt = <1325000>;
 578                                         regulator-min-microvolt = <1100000>;
 579                                         regulator-max-microvolt = <1100000>;
 580                                         qcom,switch-mode-frequency = <1600000>;
 581                                         bias-pull-down;
 582                                 };
 583                                 s1 {
 584                                         // regulator-min-microvolt = <500000>;
 585                                         // regulator-max-microvolt = <1250000>;
 586                                         regulator-min-microvolt = <1100000>;
 587                                         regulator-max-microvolt = <1100000>;
 588                                         qcom,switch-mode-frequency = <1600000>;
 589                                         bias-pull-down;
 590                                 };
 591                                 s2 {
 592                                         // 1.3 V according to schematic
 593                                         regulator-min-microvolt = <1200000>;
 594                                         regulator-max-microvolt = <1400000>;
 595                                         qcom,switch-mode-frequency = <1600000>;
 596                                         bias-pull-down;
 597                                 };
 598                                 s3 {
 599                                         regulator-min-microvolt = <1800000>;
 600                                         regulator-max-microvolt = <1800000>;
 601                                         qcom,switch-mode-frequency = <1600000>;
 602                                         regulator-always-on;
 603                                         bias-pull-down;
 604                                 };
 605                                 s4 {
 606                                         regulator-min-microvolt = <2200000>;
 607                                         regulator-max-microvolt = <2200000>;
 608                                         qcom,switch-mode-frequency = <1600000>;
 609                                         regulator-always-on;
 610                                         bias-pull-down;
 611                                 };
 612
 613                                 /* LVS0 and LVS1 are just switches */
 614                                 lvs0 {
 615                                         bias-pull-down;
 616                                 };
 617                                 lvs1 {
 618                                         bias-pull-down;
 619                                 };
 620
 621                                 ncp {
 622                                         regulator-min-microvolt = <1800000>;
 623                                         regulator-max-microvolt = <1800000>;
 624                                         qcom,switch-mode-frequency = <1600000>;
 625                                 };
 626                         };
 627                 };
 628                 amba {
 629                         /* Internal 3.69 GiB eMMC */
 630                         sdcc@12400000 {
 631                                 status = "okay";
 632                                 pinctrl-names = "default";
 633                                 pinctrl-0 = <&dragon_sdcc1_pins>;
 634                                 vmmc-supply = <&pm8901_l5>;
 635                                 vqmmc-supply = <&pm8901_lvs0>;
 636                         };
 637
 638                         /* External micro SD card, directly connected, pulled up to 2.85 V */
 639                         sdcc@12180000 {
 640                                 status = "okay";
 641                                 /* Enable SSBI GPIO 22 as input, use for card detect */
 642                                 pinctrl-names = "default";
 643                                 pinctrl-0 = <&dragon_sdcc3_pins>, <&dragon_sdcc3_gpios>;
 644                                 cd-gpios = <&pm8058_gpio 22 GPIO_ACTIVE_LOW>;
 645                                 wp-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
 646                                 vmmc-supply = <&pm8058_l14>;
 647                         };
 648
 649                         /*
 650                          * Second external micro SD card, using two TXB104RGYR levelshifters
 651                          * to lift from 1.8 V to 2.85 V
 652                          */
 653                         sdcc@12200000 {
 654                                 status = "okay";
 655                                 /* Enable SSBI GPIO 26 as input, use for card detect */
 656                                 pinctrl-names = "default";
 657                                 pinctrl-0 = <&dragon_sdcc5_pins>, <&dragon_sdcc5_gpios>;
 658                                 cd-gpios = <&pm8058_gpio 26 GPIO_ACTIVE_LOW>;
 659                                 wp-gpios = <&tlmm 106 GPIO_ACTIVE_HIGH>;
 660                                 vmmc-supply = <&pm8058_l14>;
 661                                 vqmmc-supply = <&dragon_vio_txb>;
 662                         };
 663                 };
 664         };
 665 };