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                 /* GPIO controlled ethernet power regulator */
  55                 dragon_veth: xc622a331mrg {
  56                         compatible = "regulator-fixed";
  57                         regulator-name = "XC6222A331MR-G";
  58                         regulator-min-microvolt = <3300000>;
  59                         regulator-max-microvolt = <3300000>;
  60                         vin-supply = <&vph>;
  61                         gpio = <&pm8058_gpio 40 GPIO_ACTIVE_HIGH>;
  62                         enable-active-high;
  63                         pinctrl-names = "default";
  64                         pinctrl-0 = <&dragon_veth_gpios>;
  65                         regulator-always-on;
  66                 };
  67
  68                 /* VDDvario fixed regulator */
  69                 dragon_vario: nds332p {
  70                         compatible = "regulator-fixed";
  71                         regulator-name = "NDS332P";
  72                         regulator-min-microvolt = <1800000>;
  73                         regulator-max-microvolt = <1800000>;
  74                         vin-supply = <&pm8058_s3>;
  75                 };
  76
  77                 /* This is a levelshifter for SDCC5 */
  78                 dragon_vio_txb: txb0104rgyr {
  79                         compatible = "regulator-fixed";
  80                         regulator-name = "Dragon SDCC levelshifter";
  81                         vin-supply = <&pm8058_l14>;
  82                         regulator-always-on;
  83                 };
  84         };
  85
  86         soc {
  87                 pinctrl@800000 {
  88                         /* eMMMC pins, all 8 data lines connected */
  89                         dragon_sdcc1_pins: sdcc1 {
  90                                 mux {
  91                                         pins = "gpio159", "gpio160", "gpio161",
  92                                              "gpio162", "gpio163", "gpio164",
  93                                              "gpio165", "gpio166", "gpio167",
  94                                              "gpio168";
  95                                              function = "sdc1";
  96                                 };
  97                                 clk {
  98                                         pins = "gpio167"; /* SDC5 CLK */
  99                                         drive-strength = <16>;
 100                                         bias-disable;
 101                                 };
 102                                 cmd {
 103                                         pins = "gpio168"; /* SDC5 CMD */
 104                                         drive-strength = <10>;
 105                                         bias-pull-up;
 106                                 };
 107                                 data {
 108                                         /* SDC5 D0 to D7 */
 109                                         pins = "gpio159", "gpio160", "gpio161", "gpio162",
 110                                              "gpio163", "gpio164", "gpio165", "gpio166";
 111                                         drive-strength = <10>;
 112                                         bias-pull-up;
 113                                 };
 114                         };
 115
 116                         /*
 117                          * The SDCC3 pins are hardcoded (non-muxable) but need some pin
 118                          * configuration.
 119                          */
 120                         dragon_sdcc3_pins: sdcc3 {
 121                                 clk {
 122                                         pins = "sdc3_clk";
 123                                         drive-strength = <8>;
 124                                         bias-disable;
 125                                 };
 126                                 cmd {
 127                                         pins = "sdc3_cmd";
 128                                         drive-strength = <8>;
 129                                         bias-pull-up;
 130                                 };
 131                                 data {
 132                                         pins = "sdc3_data";
 133                                         drive-strength = <8>;
 134                                         bias-pull-up;
 135                                 };
 136                         };
 137
 138                         /* Second SD card slot pins */
 139                         dragon_sdcc5_pins: sdcc5 {
 140                                 mux {
 141                                         pins = "gpio95", "gpio96", "gpio97",
 142                                             "gpio98", "gpio99", "gpio100";
 143                                         function = "sdc5";
 144                                 };
 145                                 clk {
 146                                         pins = "gpio97"; /* SDC5 CLK */
 147                                         drive-strength = <16>;
 148                                         bias-disable;
 149                                 };
 150                                 cmd {
 151                                         pins = "gpio95"; /* SDC5 CMD */
 152                                         drive-strength = <10>;
 153                                         bias-pull-up;
 154                                 };
 155                                 data {
 156                                         /* SDC5 D0 to D3 */
 157                                         pins = "gpio96", "gpio98", "gpio99", "gpio100";
 158                                         drive-strength = <10>;
 159                                         bias-pull-up;
 160                                 };
 161                         };
 162
 163                         dragon_gsbi12_i2c_pins: gsbi12_i2c {
 164                                 mux {
 165                                         pins = "gpio115", "gpio116";
 166                                         function = "gsbi12";
 167                                 };
 168                                 pinconf {
 169                                         pins = "gpio115", "gpio116";
 170                                         drive-strength = <16>;
 171                                         /* These have external pull-up 4.7kOhm to 1.8V */
 172                                         bias-disable;
 173                                 };
 174                         };
 175
 176                         /* Primary serial port uart 0 pins */
 177                         dragon_gsbi12_serial_pins: gsbi12_serial {
 178                                 mux {
 179                                         pins = "gpio117", "gpio118";
 180                                         function = "gsbi12";
 181                                 };
 182                                 tx {
 183                                         pins = "gpio117";
 184                                         drive-strength = <8>;
 185                                         bias-disable;
 186                                 };
 187                                 rx {
 188                                         pins = "gpio118";
 189                                         drive-strength = <2>;
 190                                         bias-pull-up;
 191                                 };
 192                         };
 193
 194                         dragon_ebi2_pins: ebi2 {
 195                                 /*
 196                                  * Pins used by EBI2 on the Dragonboard, actually only
 197                                  * CS2 is used by a real peripheral. CS0 is just
 198                                  * routed to a test point.
 199                                  */
 200                                 mux0 {
 201                                         pins =
 202                                             /* "gpio39", CS1A_N this is not good to mux */
 203                                             "gpio40", /* CS2A_N */
 204                                             "gpio134"; /* CS0_N testpoint TP29 */
 205                                         function = "ebi2cs";
 206                                 };
 207                                 mux1 {
 208                                         pins =
 209                                             /* EBI2_ADDR_7 downto EBI2_ADDR_0 address bus */
 210                                             "gpio123", "gpio124", "gpio125", "gpio126",
 211                                             "gpio127", "gpio128", "gpio129", "gpio130",
 212                                             /* EBI2_DATA_15 downto EBI2_DATA_0 data bus */
 213                                             "gpio135", "gpio136", "gpio137", "gpio138",
 214                                             "gpio139", "gpio140", "gpio141", "gpio142",
 215                                             "gpio143", "gpio144", "gpio145", "gpio146",
 216                                             "gpio147", "gpio148", "gpio149", "gpio150",
 217                                             "gpio151", /* EBI2_OE_N */
 218                                             "gpio153", /* EBI2_ADV */
 219                                             "gpio157"; /* EBI2_WE_N */
 220                                         function = "ebi2";
 221                                 };
 222                         };
 223
 224                         /* Interrupt line for the KXSD9 accelerometer */
 225                         dragon_kxsd9_gpios: kxsd9 {
 226                                 irq {
 227                                         pins = "gpio57"; /* IRQ line */
 228                                         bias-pull-up;
 229                                 };
 230                         };
 231                 };
 232
 233                 qcom,ssbi@500000 {
 234                         pmic@0 {
 235                                 keypad@148 {
 236                                         linux,keymap = <
 237                                         MATRIX_KEY(0, 0, KEY_MENU)
 238                                         MATRIX_KEY(0, 2, KEY_1)
 239                                         MATRIX_KEY(0, 3, KEY_4)
 240                                         MATRIX_KEY(0, 4, KEY_7)
 241                                         MATRIX_KEY(1, 0, KEY_UP)
 242                                         MATRIX_KEY(1, 1, KEY_LEFT)
 243                                         MATRIX_KEY(1, 2, KEY_DOWN)
 244                                         MATRIX_KEY(1, 3, KEY_5)
 245                                         MATRIX_KEY(1, 3, KEY_8)
 246                                         MATRIX_KEY(2, 0, KEY_HOME)
 247                                         MATRIX_KEY(2, 1, KEY_REPLY)
 248                                         MATRIX_KEY(2, 2, KEY_2)
 249                                         MATRIX_KEY(2, 3, KEY_6)
 250                                         MATRIX_KEY(3, 0, KEY_VOLUMEUP)
 251                                         MATRIX_KEY(3, 1, KEY_RIGHT)
 252                                         MATRIX_KEY(3, 2, KEY_3)
 253                                         MATRIX_KEY(3, 3, KEY_9)
 254                                         MATRIX_KEY(3, 4, KEY_SWITCHVIDEOMODE)
 255                                         MATRIX_KEY(4, 0, KEY_VOLUMEDOWN)
 256                                         MATRIX_KEY(4, 1, KEY_BACK)
 257                                         MATRIX_KEY(4, 2, KEY_CAMERA)
 258                                         MATRIX_KEY(4, 3, KEY_KBDILLUMTOGGLE)
 259                                         >;
 260                                         keypad,num-rows = <6>;
 261                                         keypad,num-columns = <5>;
 262                                 };
 263
 264                                 gpio@150 {
 265                                         dragon_ethernet_gpios: ethernet-gpios {
 266                                                 pinconf {
 267                                                         pins = "gpio7";
 268                                                         function = "normal";
 269                                                         input-enable;
 270                                                         bias-disable;
 271                                                         power-source = <PM8058_GPIO_S3>;
 272                                                 };
 273                                         };
 274                                         dragon_bmp085_gpios: bmp085-gpios {
 275                                                 pinconf {
 276                                                         pins = "gpio16";
 277                                                         function = "normal";
 278                                                         input-enable;
 279                                                         bias-disable;
 280                                                         power-source = <PM8058_GPIO_S3>;
 281                                                 };
 282                                         };
 283                                         dragon_mpu3050_gpios: mpu3050-gpios {
 284                                                 pinconf {
 285                                                         pins = "gpio17";
 286                                                         function = "normal";
 287                                                         input-enable;
 288                                                         bias-disable;
 289                                                         power-source = <PM8058_GPIO_S3>;
 290                                                 };
 291                                         };
 292                                         dragon_sdcc3_gpios: sdcc3-gpios {
 293                                                 pinconf {
 294                                                         pins = "gpio22";
 295                                                         function = "normal";
 296                                                         input-enable;
 297                                                         bias-disable;
 298                                                         power-source = <PM8058_GPIO_S3>;
 299                                                 };
 300                                         };
 301                                         dragon_sdcc5_gpios: sdcc5-gpios {
 302                                                 pinconf {
 303                                                         pins = "gpio26";
 304                                                         function = "normal";
 305                                                         input-enable;
 306                                                         bias-pull-up;
 307                                                         qcom,pull-up-strength = <PMIC_GPIO_PULL_UP_30>;
 308                                                         power-source = <PM8058_GPIO_S3>;
 309                                                 };
 310                                         };
 311                                         dragon_ak8975_gpios: ak8975-gpios {
 312                                                 pinconf {
 313                                                         pins = "gpio33";
 314                                                         function = "normal";
 315                                                         input-enable;
 316                                                         bias-disable;
 317                                                         power-source = <PM8058_GPIO_S3>;
 318                                                 };
 319                                         };
 320                                         dragon_veth_gpios: veth-gpios {
 321                                                 pinconf {
 322                                                         pins = "gpio40";
 323                                                         function = "normal";
 324                                                         bias-disable;
 325                                                         drive-push-pull;
 326                                                 };
 327                                         };
 328                                 };
 329
 330                                 led@48 {
 331                                         /*
 332                                          * The keypad LED @0x48 is routed to
 333                                          * the sensor board where it is
 334                                          * connected to an infrared LED
 335                                          * SFH4650 (60mW, @850nm) next to the
 336                                          * ambient light and proximity sensor
 337                                          * Capella Microsystems CM3605.
 338                                          */
 339                                         compatible = "qcom,pm8058-keypad-led";
 340                                         reg = <0x48>;
 341                                         label = "pm8058:infrared:proximitysensor";
 342                                         default-state = "off";
 343                                 };
 344                                 led@131 {
 345                                         compatible = "qcom,pm8058-led";
 346                                         reg = <0x131>;
 347                                         label = "pm8058:red";
 348                                         default-state = "off";
 349                                 };
 350                                 led@132 {
 351                                         /*
 352                                          * This is actually green too on my
 353                                          * board, but documented as yellow.
 354                                          */
 355                                         compatible = "qcom,pm8058-led";
 356                                         reg = <0x132>;
 357                                         label = "pm8058:yellow";
 358                                         default-state = "off";
 359                                         linux,default-trigger = "mmc0";
 360                                 };
 361                                 led@133 {
 362                                         compatible = "qcom,pm8058-led";
 363                                         reg = <0x133>;
 364                                         label = "pm8058:green";
 365                                         default-state = "on";
 366                                         linux,default-trigger = "heartbeat";
 367                                 };
 368                         };
 369                 };
 370
 371                 gsbi@19c00000 {
 372                         status = "ok";
 373                         qcom,mode = <GSBI_PROT_I2C_UART>;
 374
 375                         serial@19c40000 {
 376                                 status = "ok";
 377                                 pinctrl-names = "default";
 378                                 pinctrl-0 = <&dragon_gsbi12_serial_pins>;
 379                         };
 380
 381                         i2c@19c80000 {
 382                                 status = "ok";
 383                                 pinctrl-names = "default";
 384                                 pinctrl-0 = <&dragon_gsbi12_i2c_pins>;
 385
 386                                 ak8975@0c {
 387                                         compatible = "asahi-kasei,ak8975";
 388                                         reg = <0x0c>;
 389                                         /* FIXME: GPIO33 has interrupt 224 on the PM8058 */
 390                                         interrupt-parent = <&pm8058>;
 391                                         interrupts = <224 IRQ_TYPE_EDGE_RISING>;
 392                                         pinctrl-names = "default";
 393                                         pinctrl-0 = <&dragon_ak8975_gpios>;
 394                                         vid-supply = <&pm8058_lvs0>; // 1.8V
 395                                         vdd-supply = <&pm8058_l14>; // 2.85V
 396                                 };
 397                                 bmp085@77 {
 398                                         compatible = "bosch,bmp085";
 399                                         reg = <0x77>;
 400                                         /* FIXME: GPIO16 has interrupt 207 on the PM8058 */
 401                                         interrupt-parent = <&pm8058>;
 402                                         interrupts = <207 IRQ_TYPE_EDGE_RISING>;
 403                                         reset-gpios = <&tlmm 86 GPIO_ACTIVE_LOW>;
 404                                         pinctrl-names = "default";
 405                                         pinctrl-0 = <&dragon_bmp085_gpios>;
 406                                         vddd-supply = <&pm8058_lvs0>; // 1.8V
 407                                         vdda-supply = <&pm8058_l14>; // 2.85V
 408                                 };
 409                                 mpu3050@68 {
 410                                         compatible = "invensense,mpu3050";
 411                                         reg = <0x68>;
 412                                         /*
 413                                          * GPIO17 has interrupt 208 on the
 414                                          * PM8058, it is pulled high by a 10k
 415                                          * resistor to VLOGIC so needs to be
 416                                          * active low/falling edge.
 417                                          */
 418                                         interrupts-extended = <&pm8058 208 IRQ_TYPE_EDGE_FALLING>;
 419                                         pinctrl-names = "default";
 420                                         pinctrl-0 = <&dragon_mpu3050_gpios>;
 421                                         vlogic-supply = <&pm8058_lvs0>; // 1.8V
 422                                         vdd-supply = <&pm8058_l14>; // 2.85V
 423
 424                                         /*
 425                                          * The MPU-3050 acts as a hub for the
 426                                          * accelerometer.
 427                                          */
 428                                         i2c-gate {
 429                                                 #address-cells = <1>;
 430                                                 #size-cells = <0>;
 431
 432                                                 kxsd9@18 {
 433                                                         compatible = "kionix,kxsd9";
 434                                                         reg = <0x18>;
 435                                                         interrupt-parent = <&tlmm>;
 436                                                         interrupts = <57 IRQ_TYPE_EDGE_FALLING>;
 437                                                         pinctrl-names = "default";
 438                                                         pinctrl-0 = <&dragon_kxsd9_gpios>;
 439                                                         iovdd-supply = <&pm8058_lvs0>; // 1.8V
 440                                                         vdd-supply = <&pm8058_l14>; // 2.85V
 441                                                 };
 442                                         };
 443                                 };
 444                         };
 445                 };
 446
 447                 external-bus@1a100000 {
 448                         /* The EBI2 will instantiate first, then populate its children */
 449                         status = "ok";
 450                         pinctrl-names = "default";
 451                         pinctrl-0 = <&dragon_ebi2_pins>;
 452
 453                         /*
 454                          * An on-board SMSC LAN9221 chip for "debug ethernet",
 455                          * which is actually just an ordinary ethernet on the
 456                          * EBI2. This has a 25MHz chrystal next to it, so no
 457                          * clocking is needed.
 458                          */
 459                         ethernet-ebi2@2,0 {
 460                                 compatible = "smsc,lan9221", "smsc,lan9115";
 461                                 reg = <2 0x0 0x100>;
 462                                 /*
 463                                  * GPIO7 has interrupt 198 on the PM8058
 464                                  * The second interrupt is the PME interrupt
 465                                  * for network wakeup, connected to the TLMM.
 466                                  */
 467                                 interrupts-extended = <&pm8058 198 IRQ_TYPE_EDGE_FALLING>,
 468                                                     <&tlmm 29 IRQ_TYPE_EDGE_RISING>;
 469                                 reset-gpios = <&tlmm 30 GPIO_ACTIVE_LOW>;
 470                                 vdd33a-supply = <&dragon_veth>;
 471                                 vddvario-supply = <&dragon_vario>;
 472                                 pinctrl-names = "default";
 473                                 pinctrl-0 = <&dragon_ethernet_gpios>;
 474                                 phy-mode = "mii";
 475                                 reg-io-width = <2>;
 476                                 smsc,force-external-phy;
 477                                 /* IRQ on edge falling = active low */
 478                                 smsc,irq-active-low;
 479                                 smsc,irq-push-pull;
 480
 481                                 /*
 482                                  * SLOW chipselect config
 483                                  * Delay 9 cycles (140ns@64MHz) between SMSC
 484                                  * LAN9221 Ethernet controller reads and writes
 485                                  * on CS2.
 486                                  */
 487                                 qcom,xmem-recovery-cycles = <0>;
 488                                 qcom,xmem-write-hold-cycles = <3>;
 489                                 qcom,xmem-write-delta-cycles = <31>;
 490                                 qcom,xmem-read-delta-cycles = <28>;
 491                                 qcom,xmem-write-wait-cycles = <9>;
 492                                 qcom,xmem-read-wait-cycles = <9>;
 493                         };
 494                 };
 495
 496                 rpm@104000 {
 497                         /*
 498                          * Set up of the PMIC RPM regulators for this board
 499                          * PM8901 supplies "preliminary regulators" whatever
 500                          * that means
 501                          */
 502                         pm8901-regulators {
 503                                 vdd_l0-supply = <&pm8901_s4>;
 504                                 vdd_l1-supply = <&vph>;
 505                                 vdd_l2-supply = <&vph>;
 506                                 vdd_l3-supply = <&vph>;
 507                                 vdd_l4-supply = <&vph>;
 508                                 vdd_l5-supply = <&vph>;
 509                                 vdd_l6-supply = <&vph>;
 510                                 /* vdd_s0-supply, vdd_s1-supply: SAW regulators */
 511                                 vdd_s2-supply = <&vph>;
 512                                 vdd_s3-supply = <&vph>;
 513                                 vdd_s4-supply = <&vph>;
 514                                 lvs0_in-supply = <&pm8058_s3>;
 515                                 lvs1_in-supply = <&pm8901_s4>;
 516                                 lvs2_in-supply = <&pm8058_l0>;
 517                                 lvs3_in-supply = <&pm8058_s2>;
 518                                 mvs_in-supply = <&pm8058_s3>;
 519
 520                                 l0 {
 521                                         regulator-min-microvolt = <1200000>;
 522                                         regulator-max-microvolt = <1200000>;
 523                                         bias-pull-down;
 524                                 };
 525                                 l1 {
 526                                         regulator-min-microvolt = <3300000>;
 527                                         regulator-max-microvolt = <3300000>;
 528                                         bias-pull-down;
 529                                 };
 530                                 l2 {
 531                                         regulator-min-microvolt = <2850000>;
 532                                         regulator-max-microvolt = <3300000>;
 533                                         bias-pull-down;
 534                                 };
 535                                 l3 {
 536                                         regulator-min-microvolt = <3300000>;
 537                                         regulator-max-microvolt = <3300000>;
 538                                         bias-pull-down;
 539                                 };
 540                                 l4 {
 541                                         regulator-min-microvolt = <2600000>;
 542                                         regulator-max-microvolt = <2600000>;
 543                                         bias-pull-down;
 544                                 };
 545                                 l5 {
 546                                         regulator-min-microvolt = <2850000>;
 547                                         regulator-max-microvolt = <2850000>;
 548                                         bias-pull-down;
 549                                 };
 550                                 l6 {
 551                                         regulator-min-microvolt = <2200000>;
 552                                         regulator-max-microvolt = <2200000>;
 553                                         bias-pull-down;
 554                                 };
 555
 556                                 /* s0 and s1 are SAW regulators controlled over SPM */
 557                                 s2 {
 558                                         regulator-min-microvolt = <1300000>;
 559                                         regulator-max-microvolt = <1300000>;
 560                                         qcom,switch-mode-frequency = <1600000>;
 561                                         bias-pull-down;
 562                                 };
 563                                 s3 {
 564                                         regulator-min-microvolt = <1100000>;
 565                                         regulator-max-microvolt = <1100000>;
 566                                         qcom,switch-mode-frequency = <1600000>;
 567                                         bias-pull-down;
 568                                 };
 569                                 s4 {
 570                                         regulator-min-microvolt = <1225000>;
 571                                         regulator-max-microvolt = <1225000>;
 572                                         qcom,switch-mode-frequency = <1600000>;
 573                                         bias-pull-down;
 574                                 };
 575
 576                                 /* LVS0 thru 3 and mvs0 are just switches */
 577                                 lvs0 {
 578                                         regulator-always-on;
 579                                 };
 580                                 lvs1 { };
 581                                 lvs2 { };
 582                                 lvs3 { };
 583                                 mvs0 {};
 584
 585                         };
 586
 587                         pm8058-regulators {
 588                                 vdd_l0_l1_lvs-supply = <&pm8058_s3>;
 589                                 vdd_l2_l11_l12-supply = <&vph>;
 590                                 vdd_l3_l4_l5-supply = <&vph>;
 591                                 vdd_l6_l7-supply = <&vph>;
 592                                 vdd_l8-supply = <&vph>;
 593                                 vdd_l9-supply = <&vph>;
 594                                 vdd_l10-supply = <&vph>;
 595                                 vdd_l13_l16-supply = <&pm8058_s4>;
 596                                 vdd_l14_l15-supply = <&vph>;
 597                                 vdd_l17_l18-supply = <&vph>;
 598                                 vdd_l19_l20-supply = <&vph>;
 599                                 vdd_l21-supply = <&pm8058_s3>;
 600                                 vdd_l22-supply = <&pm8058_s3>;
 601                                 vdd_l23_l24_l25-supply = <&pm8058_s3>;
 602                                 vdd_s0-supply = <&vph>;
 603                                 vdd_s1-supply = <&vph>;
 604                                 vdd_s2-supply = <&vph>;
 605                                 vdd_s3-supply = <&vph>;
 606                                 vdd_s4-supply = <&vph>;
 607                                 vdd_ncp-supply = <&vph>;
 608
 609                                 l0 {
 610                                         regulator-min-microvolt = <1200000>;
 611                                         regulator-max-microvolt = <1200000>;
 612                                         bias-pull-down;
 613                                 };
 614                                 l1 {
 615                                         regulator-min-microvolt = <1200000>;
 616                                         regulator-max-microvolt = <1200000>;
 617                                         bias-pull-down;
 618                                 };
 619                                 l2 {
 620                                         regulator-min-microvolt = <1800000>;
 621                                         regulator-max-microvolt = <2600000>;
 622                                         bias-pull-down;
 623                                 };
 624                                 l3 {
 625                                         regulator-min-microvolt = <1800000>;
 626                                         regulator-max-microvolt = <1800000>;
 627                                         bias-pull-down;
 628                                 };
 629                                 l4 {
 630                                         regulator-min-microvolt = <2850000>;
 631                                         regulator-max-microvolt = <2850000>;
 632                                         bias-pull-down;
 633                                 };
 634                                 l5 {
 635                                         regulator-min-microvolt = <2850000>;
 636                                         regulator-max-microvolt = <2850000>;
 637                                         bias-pull-down;
 638                                 };
 639                                 l6 {
 640                                         regulator-min-microvolt = <3000000>;
 641                                         regulator-max-microvolt = <3600000>;
 642                                         bias-pull-down;
 643                                 };
 644                                 l7 {
 645                                         regulator-min-microvolt = <1800000>;
 646                                         regulator-max-microvolt = <1800000>;
 647                                         bias-pull-down;
 648                                 };
 649                                 l8 {
 650                                         regulator-min-microvolt = <2900000>;
 651                                         regulator-max-microvolt = <3050000>;
 652                                         bias-pull-down;
 653                                 };
 654                                 l9 {
 655                                         regulator-min-microvolt = <1800000>;
 656                                         regulator-max-microvolt = <1800000>;
 657                                         bias-pull-down;
 658                                 };
 659                                 l10 {
 660                                         regulator-min-microvolt = <2600000>;
 661                                         regulator-max-microvolt = <2600000>;
 662                                         bias-pull-down;
 663                                 };
 664                                 l11 {
 665                                         regulator-min-microvolt = <1500000>;
 666                                         regulator-max-microvolt = <1500000>;
 667                                         bias-pull-down;
 668                                 };
 669                                 l12 {
 670                                         regulator-min-microvolt = <2900000>;
 671                                         regulator-max-microvolt = <2900000>;
 672                                         bias-pull-down;
 673                                 };
 674                                 l13 {
 675                                         regulator-min-microvolt = <2050000>;
 676                                         regulator-max-microvolt = <2050000>;
 677                                         bias-pull-down;
 678                                 };
 679                                 l14 {
 680                                         regulator-min-microvolt = <2850000>;
 681                                         regulator-max-microvolt = <2850000>;
 682                                 };
 683                                 l15 {
 684                                         regulator-min-microvolt = <2850000>;
 685                                         regulator-max-microvolt = <2850000>;
 686                                         bias-pull-down;
 687                                 };
 688                                 l16 {
 689                                         regulator-min-microvolt = <1800000>;
 690                                         regulator-max-microvolt = <1800000>;
 691                                         bias-pull-down;
 692                                         regulator-always-on;
 693                                 };
 694                                 l17 {
 695                                         // 1.5V according to schematic
 696                                         regulator-min-microvolt = <2600000>;
 697                                         regulator-max-microvolt = <2600000>;
 698                                         bias-pull-down;
 699                                 };
 700                                 l18 {
 701                                         regulator-min-microvolt = <2200000>;
 702                                         regulator-max-microvolt = <2200000>;
 703                                         bias-pull-down;
 704                                 };
 705                                 l19 {
 706                                         regulator-min-microvolt = <2500000>;
 707                                         regulator-max-microvolt = <2500000>;
 708                                         bias-pull-down;
 709                                 };
 710                                 l20 {
 711                                         regulator-min-microvolt = <1800000>;
 712                                         regulator-max-microvolt = <1800000>;
 713                                         bias-pull-down;
 714                                 };
 715                                 l21 {
 716                                         // 1.1 V according to schematic
 717                                         regulator-min-microvolt = <1200000>;
 718                                         regulator-max-microvolt = <1200000>;
 719                                         bias-pull-down;
 720                                         regulator-always-on;
 721                                 };
 722                                 l22 {
 723                                         // 1.2 V according to schematic
 724                                         regulator-min-microvolt = <1150000>;
 725                                         regulator-max-microvolt = <1150000>;
 726                                         bias-pull-down;
 727                                 };
 728                                 l23 {
 729                                         // Unused
 730                                         regulator-min-microvolt = <1200000>;
 731                                         regulator-max-microvolt = <1200000>;
 732                                         bias-pull-down;
 733                                 };
 734                                 l24 {
 735                                         // Unused
 736                                         regulator-min-microvolt = <1200000>;
 737                                         regulator-max-microvolt = <1200000>;
 738                                         bias-pull-down;
 739                                 };
 740                                 l25 {
 741                                         regulator-min-microvolt = <1200000>;
 742                                         regulator-max-microvolt = <1200000>;
 743                                         bias-pull-down;
 744                                 };
 745
 746                                 s0 {
 747                                         // regulator-min-microvolt = <500000>;
 748                                         // regulator-max-microvolt = <1325000>;
 749                                         regulator-min-microvolt = <1100000>;
 750                                         regulator-max-microvolt = <1100000>;
 751                                         qcom,switch-mode-frequency = <1600000>;
 752                                         bias-pull-down;
 753                                 };
 754                                 s1 {
 755                                         // regulator-min-microvolt = <500000>;
 756                                         // regulator-max-microvolt = <1250000>;
 757                                         regulator-min-microvolt = <1100000>;
 758                                         regulator-max-microvolt = <1100000>;
 759                                         qcom,switch-mode-frequency = <1600000>;
 760                                         bias-pull-down;
 761                                 };
 762                                 s2 {
 763                                         // 1.3 V according to schematic
 764                                         regulator-min-microvolt = <1200000>;
 765                                         regulator-max-microvolt = <1400000>;
 766                                         qcom,switch-mode-frequency = <1600000>;
 767                                         bias-pull-down;
 768                                 };
 769                                 s3 {
 770                                         regulator-min-microvolt = <1800000>;
 771                                         regulator-max-microvolt = <1800000>;
 772                                         qcom,switch-mode-frequency = <1600000>;
 773                                         regulator-always-on;
 774                                         bias-pull-down;
 775                                 };
 776                                 s4 {
 777                                         regulator-min-microvolt = <2200000>;
 778                                         regulator-max-microvolt = <2200000>;
 779                                         qcom,switch-mode-frequency = <1600000>;
 780                                         regulator-always-on;
 781                                         bias-pull-down;
 782                                 };
 783
 784                                 /* LVS0 and LVS1 are just switches */
 785                                 lvs0 {
 786                                         bias-pull-down;
 787                                 };
 788                                 lvs1 {
 789                                         bias-pull-down;
 790                                 };
 791
 792                                 ncp {
 793                                         regulator-min-microvolt = <1800000>;
 794                                         regulator-max-microvolt = <1800000>;
 795                                         qcom,switch-mode-frequency = <1600000>;
 796                                 };
 797                         };
 798                 };
 799                 amba {
 800                         /* Internal 3.69 GiB eMMC */
 801                         sdcc@12400000 {
 802                                 status = "okay";
 803                                 pinctrl-names = "default";
 804                                 pinctrl-0 = <&dragon_sdcc1_pins>;
 805                                 vmmc-supply = <&pm8901_l5>;
 806                                 vqmmc-supply = <&pm8901_lvs0>;
 807                         };
 808
 809                         /* External micro SD card, directly connected, pulled up to 2.85 V */
 810                         sdcc@12180000 {
 811                                 status = "okay";
 812                                 /* Enable SSBI GPIO 22 as input, use for card detect */
 813                                 pinctrl-names = "default";
 814                                 pinctrl-0 = <&dragon_sdcc3_pins>, <&dragon_sdcc3_gpios>;
 815                                 cd-gpios = <&pm8058_gpio 22 GPIO_ACTIVE_LOW>;
 816                                 wp-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
 817                                 vmmc-supply = <&pm8058_l14>;
 818                         };
 819
 820                         /*
 821                          * Second external micro SD card, using two TXB104RGYR levelshifters
 822                          * to lift from 1.8 V to 2.85 V
 823                          */
 824                         sdcc@12200000 {
 825                                 status = "okay";
 826                                 /* Enable SSBI GPIO 26 as input, use for card detect */
 827                                 pinctrl-names = "default";
 828                                 pinctrl-0 = <&dragon_sdcc5_pins>, <&dragon_sdcc5_gpios>;
 829                                 cd-gpios = <&pm8058_gpio 26 GPIO_ACTIVE_LOW>;
 830                                 wp-gpios = <&tlmm 106 GPIO_ACTIVE_HIGH>;
 831                                 vmmc-supply = <&pm8058_l14>;
 832                                 vqmmc-supply = <&dragon_vio_txb>;
 833                         };
 834                 };
 835         };
 836 };