sys/gnu/dts/arm/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
 225                 qcom,ssbi@500000 {
 226                         pmic@0 {
 227                                 keypad@148 {
 228                                         linux,keymap = <
 229                                         MATRIX_KEY(0, 0, KEY_MENU)
 230                                         MATRIX_KEY(0, 2, KEY_1)
 231                                         MATRIX_KEY(0, 3, KEY_4)
 232                                         MATRIX_KEY(0, 4, KEY_7)
 233                                         MATRIX_KEY(1, 0, KEY_UP)
 234                                         MATRIX_KEY(1, 1, KEY_LEFT)
 235                                         MATRIX_KEY(1, 2, KEY_DOWN)
 236                                         MATRIX_KEY(1, 3, KEY_5)
 237                                         MATRIX_KEY(1, 3, KEY_8)
 238                                         MATRIX_KEY(2, 0, KEY_HOME)
 239                                         MATRIX_KEY(2, 1, KEY_REPLY)
 240                                         MATRIX_KEY(2, 2, KEY_2)
 241                                         MATRIX_KEY(2, 3, KEY_6)
 242                                         MATRIX_KEY(3, 0, KEY_VOLUMEUP)
 243                                         MATRIX_KEY(3, 1, KEY_RIGHT)
 244                                         MATRIX_KEY(3, 2, KEY_3)
 245                                         MATRIX_KEY(3, 3, KEY_9)
 246                                         MATRIX_KEY(3, 4, KEY_SWITCHVIDEOMODE)
 247                                         MATRIX_KEY(4, 0, KEY_VOLUMEDOWN)
 248                                         MATRIX_KEY(4, 1, KEY_BACK)
 249                                         MATRIX_KEY(4, 2, KEY_CAMERA)
 250                                         MATRIX_KEY(4, 3, KEY_KBDILLUMTOGGLE)
 251                                         >;
 252                                         keypad,num-rows = <6>;
 253                                         keypad,num-columns = <5>;
 254                                 };
 255
 256                                 gpio@150 {
 257                                         dragon_ethernet_gpios: ethernet-gpios {
 258                                                 pinconf {
 259                                                         pins = "gpio7";
 260                                                         function = "normal";
 261                                                         input-enable;
 262                                                         bias-disable;
 263                                                         power-source = <PM8058_GPIO_S3>;
 264                                                 };
 265                                         };
 266                                         dragon_bmp085_gpios: bmp085-gpios {
 267                                                 pinconf {
 268                                                         pins = "gpio16";
 269                                                         function = "normal";
 270                                                         input-enable;
 271                                                         bias-disable;
 272                                                         power-source = <PM8058_GPIO_S3>;
 273                                                 };
 274                                         };
 275                                         dragon_sdcc3_gpios: sdcc3-gpios {
 276                                                 pinconf {
 277                                                         pins = "gpio22";
 278                                                         function = "normal";
 279                                                         input-enable;
 280                                                         bias-disable;
 281                                                         power-source = <PM8058_GPIO_S3>;
 282                                                 };
 283                                         };
 284                                         dragon_sdcc5_gpios: sdcc5-gpios {
 285                                                 pinconf {
 286                                                         pins = "gpio26";
 287                                                         function = "normal";
 288                                                         input-enable;
 289                                                         bias-pull-up;
 290                                                         qcom,pull-up-strength = <PMIC_GPIO_PULL_UP_30>;
 291                                                         power-source = <PM8058_GPIO_S3>;
 292                                                 };
 293                                         };
 294                                         dragon_ak8975_gpios: ak8975-gpios {
 295                                                 pinconf {
 296                                                         pins = "gpio33";
 297                                                         function = "normal";
 298                                                         input-enable;
 299                                                         bias-disable;
 300                                                         power-source = <PM8058_GPIO_S3>;
 301                                                 };
 302                                         };
 303                                         dragon_veth_gpios: veth-gpios {
 304                                                 pinconf {
 305                                                         pins = "gpio40";
 306                                                         function = "normal";
 307                                                         bias-disable;
 308                                                         drive-push-pull;
 309                                                 };
 310                                         };
 311                                 };
 312
 313                                 led@48 {
 314                                         /*
 315                                          * The keypad LED @0x48 is routed to
 316                                          * the sensor board where it is
 317                                          * connected to an infrared LED
 318                                          * SFH4650 (60mW, @850nm) next to the
 319                                          * ambient light and proximity sensor
 320                                          * Capella Microsystems CM3605.
 321                                          */
 322                                         compatible = "qcom,pm8058-keypad-led";
 323                                         reg = <0x48>;
 324                                         label = "pm8058:infrared:proximitysensor";
 325                                         default-state = "off";
 326                                 };
 327                                 led@131 {
 328                                         compatible = "qcom,pm8058-led";
 329                                         reg = <0x131>;
 330                                         label = "pm8058:red";
 331                                         default-state = "off";
 332                                 };
 333                                 led@132 {
 334                                         /*
 335                                          * This is actually green too on my
 336                                          * board, but documented as yellow.
 337                                          */
 338                                         compatible = "qcom,pm8058-led";
 339                                         reg = <0x132>;
 340                                         label = "pm8058:yellow";
 341                                         default-state = "off";
 342                                         linux,default-trigger = "mmc0";
 343                                 };
 344                                 led@133 {
 345                                         compatible = "qcom,pm8058-led";
 346                                         reg = <0x133>;
 347                                         label = "pm8058:green";
 348                                         default-state = "on";
 349                                         linux,default-trigger = "heartbeat";
 350                                 };
 351                         };
 352                 };
 353
 354                 gsbi@19c00000 {
 355                         status = "ok";
 356                         qcom,mode = <GSBI_PROT_I2C_UART>;
 357
 358                         serial@19c40000 {
 359                                 status = "ok";
 360                                 pinctrl-names = "default";
 361                                 pinctrl-0 = <&dragon_gsbi12_serial_pins>;
 362                         };
 363
 364                         i2c@19c80000 {
 365                                 status = "ok";
 366                                 pinctrl-names = "default";
 367                                 pinctrl-0 = <&dragon_gsbi12_i2c_pins>;
 368
 369                                 ak8975@0c {
 370                                         compatible = "asahi-kasei,ak8975";
 371                                         reg = <0x0c>;
 372                                         /* GPIO33 has interrupt 224 on the PM8058 */
 373                                         interrupt-parent = <&pm8058_gpio>;
 374                                         interrupts = <224 IRQ_TYPE_EDGE_RISING>;
 375                                         pinctrl-names = "default";
 376                                         pinctrl-0 = <&dragon_ak8975_gpios>;
 377                                         vid-supply = <&pm8058_lvs0>; // 1.8V
 378                                         vdd-supply = <&pm8058_l14>; // 2.85V
 379                                 };
 380                                 bmp085@77 {
 381                                         compatible = "bosch,bmp085";
 382                                         reg = <0x77>;
 383                                         /* GPIO16 has interrupt 207 on the PM8058 */
 384                                         interrupt-parent = <&pm8058_gpio>;
 385                                         interrupts = <207 IRQ_TYPE_EDGE_RISING>;
 386                                         reset-gpios = <&tlmm 86 GPIO_ACTIVE_LOW>;
 387                                         pinctrl-names = "default";
 388                                         pinctrl-0 = <&dragon_bmp085_gpios>;
 389                                         vddd-supply = <&pm8058_lvs0>; // 1.8V
 390                                         vdda-supply = <&pm8058_l14>; // 2.85V
 391                                 };
 392                         };
 393                 };
 394
 395                 external-bus@1a100000 {
 396                         /* The EBI2 will instantiate first, then populate its children */
 397                         status = "ok";
 398                         pinctrl-names = "default";
 399                         pinctrl-0 = <&dragon_ebi2_pins>;
 400
 401                         /*
 402                          * An on-board SMSC LAN9221 chip for "debug ethernet",
 403                          * which is actually just an ordinary ethernet on the
 404                          * EBI2. This has a 25MHz chrystal next to it, so no
 405                          * clocking is needed.
 406                          */
 407                         ethernet-ebi2@2,0 {
 408                                 compatible = "smsc,lan9221", "smsc,lan9115";
 409                                 reg = <2 0x0 0x100>;
 410                                 /*
 411                                  * GPIO7 has interrupt 198 on the PM8058
 412                                  * The second interrupt is the PME interrupt
 413                                  * for network wakeup, connected to the TLMM.
 414                                  */
 415                                 interrupts-extended = <&pmicintc 198 IRQ_TYPE_EDGE_FALLING>,
 416                                                     <&tlmm 29 IRQ_TYPE_EDGE_RISING>;
 417                                 reset-gpios = <&tlmm 30 GPIO_ACTIVE_LOW>;
 418                                 vdd33a-supply = <&dragon_veth>;
 419                                 vddvario-supply = <&dragon_vario>;
 420                                 pinctrl-names = "default";
 421                                 pinctrl-0 = <&dragon_ethernet_gpios>;
 422                                 phy-mode = "mii";
 423                                 reg-io-width = <2>;
 424                                 smsc,force-external-phy;
 425                                 /* IRQ on edge falling = active low */
 426                                 smsc,irq-active-low;
 427                                 smsc,irq-push-pull;
 428
 429                                 /*
 430                                  * SLOW chipselect config
 431                                  * Delay 9 cycles (140ns@64MHz) between SMSC
 432                                  * LAN9221 Ethernet controller reads and writes
 433                                  * on CS2.
 434                                  */
 435                                 qcom,xmem-recovery-cycles = <0>;
 436                                 qcom,xmem-write-hold-cycles = <3>;
 437                                 qcom,xmem-write-delta-cycles = <31>;
 438                                 qcom,xmem-read-delta-cycles = <28>;
 439                                 qcom,xmem-write-wait-cycles = <9>;
 440                                 qcom,xmem-read-wait-cycles = <9>;
 441                         };
 442                 };
 443
 444                 rpm@104000 {
 445                         /*
 446                          * Set up of the PMIC RPM regulators for this board
 447                          * PM8901 supplies "preliminary regulators" whatever
 448                          * that means
 449                          */
 450                         pm8901-regulators {
 451                                 vdd_l0-supply = <&pm8901_s4>;
 452                                 vdd_l1-supply = <&vph>;
 453                                 vdd_l2-supply = <&vph>;
 454                                 vdd_l3-supply = <&vph>;
 455                                 vdd_l4-supply = <&vph>;
 456                                 vdd_l5-supply = <&vph>;
 457                                 vdd_l6-supply = <&vph>;
 458                                 /* vdd_s0-supply, vdd_s1-supply: SAW regulators */
 459                                 vdd_s2-supply = <&vph>;
 460                                 vdd_s3-supply = <&vph>;
 461                                 vdd_s4-supply = <&vph>;
 462                                 lvs0_in-supply = <&pm8058_s3>;
 463                                 lvs1_in-supply = <&pm8901_s4>;
 464                                 lvs2_in-supply = <&pm8058_l0>;
 465                                 lvs3_in-supply = <&pm8058_s2>;
 466                                 mvs_in-supply = <&pm8058_s3>;
 467
 468                                 l0 {
 469                                         regulator-min-microvolt = <1200000>;
 470                                         regulator-max-microvolt = <1200000>;
 471                                         bias-pull-down;
 472                                 };
 473                                 l1 {
 474                                         regulator-min-microvolt = <3300000>;
 475                                         regulator-max-microvolt = <3300000>;
 476                                         bias-pull-down;
 477                                 };
 478                                 l2 {
 479                                         regulator-min-microvolt = <2850000>;
 480                                         regulator-max-microvolt = <3300000>;
 481                                         bias-pull-down;
 482                                 };
 483                                 l3 {
 484                                         regulator-min-microvolt = <3300000>;
 485                                         regulator-max-microvolt = <3300000>;
 486                                         bias-pull-down;
 487                                 };
 488                                 l4 {
 489                                         regulator-min-microvolt = <2600000>;
 490                                         regulator-max-microvolt = <2600000>;
 491                                         bias-pull-down;
 492                                 };
 493                                 l5 {
 494                                         regulator-min-microvolt = <2850000>;
 495                                         regulator-max-microvolt = <2850000>;
 496                                         bias-pull-down;
 497                                 };
 498                                 l6 {
 499                                         regulator-min-microvolt = <2200000>;
 500                                         regulator-max-microvolt = <2200000>;
 501                                         bias-pull-down;
 502                                 };
 503
 504                                 /* s0 and s1 are SAW regulators controlled over SPM */
 505                                 s2 {
 506                                         regulator-min-microvolt = <1300000>;
 507                                         regulator-max-microvolt = <1300000>;
 508                                         qcom,switch-mode-frequency = <1600000>;
 509                                         bias-pull-down;
 510                                 };
 511                                 s3 {
 512                                         regulator-min-microvolt = <1100000>;
 513                                         regulator-max-microvolt = <1100000>;
 514                                         qcom,switch-mode-frequency = <1600000>;
 515                                         bias-pull-down;
 516                                 };
 517                                 s4 {
 518                                         regulator-min-microvolt = <1225000>;
 519                                         regulator-max-microvolt = <1225000>;
 520                                         qcom,switch-mode-frequency = <1600000>;
 521                                         bias-pull-down;
 522                                 };
 523
 524                                 /* LVS0 thru 3 and mvs0 are just switches */
 525                                 lvs0 {
 526                                         regulator-always-on;
 527                                 };
 528                                 lvs1 { };
 529                                 lvs2 { };
 530                                 lvs3 { };
 531                                 mvs0 {};
 532
 533                         };
 534
 535                         pm8058-regulators {
 536                                 vdd_l0_l1_lvs-supply = <&pm8058_s3>;
 537                                 vdd_l2_l11_l12-supply = <&vph>;
 538                                 vdd_l3_l4_l5-supply = <&vph>;
 539                                 vdd_l6_l7-supply = <&vph>;
 540                                 vdd_l8-supply = <&vph>;
 541                                 vdd_l9-supply = <&vph>;
 542                                 vdd_l10-supply = <&vph>;
 543                                 vdd_l13_l16-supply = <&pm8058_s4>;
 544                                 vdd_l14_l15-supply = <&vph>;
 545                                 vdd_l17_l18-supply = <&vph>;
 546                                 vdd_l19_l20-supply = <&vph>;
 547                                 vdd_l21-supply = <&pm8058_s3>;
 548                                 vdd_l22-supply = <&pm8058_s3>;
 549                                 vdd_l23_l24_l25-supply = <&pm8058_s3>;
 550                                 vdd_s0-supply = <&vph>;
 551                                 vdd_s1-supply = <&vph>;
 552                                 vdd_s2-supply = <&vph>;
 553                                 vdd_s3-supply = <&vph>;
 554                                 vdd_s4-supply = <&vph>;
 555                                 vdd_ncp-supply = <&vph>;
 556
 557                                 l0 {
 558                                         regulator-min-microvolt = <1200000>;
 559                                         regulator-max-microvolt = <1200000>;
 560                                         bias-pull-down;
 561                                 };
 562                                 l1 {
 563                                         regulator-min-microvolt = <1200000>;
 564                                         regulator-max-microvolt = <1200000>;
 565                                         bias-pull-down;
 566                                 };
 567                                 l2 {
 568                                         regulator-min-microvolt = <1800000>;
 569                                         regulator-max-microvolt = <2600000>;
 570                                         bias-pull-down;
 571                                 };
 572                                 l3 {
 573                                         regulator-min-microvolt = <1800000>;
 574                                         regulator-max-microvolt = <1800000>;
 575                                         bias-pull-down;
 576                                 };
 577                                 l4 {
 578                                         regulator-min-microvolt = <2850000>;
 579                                         regulator-max-microvolt = <2850000>;
 580                                         bias-pull-down;
 581                                 };
 582                                 l5 {
 583                                         regulator-min-microvolt = <2850000>;
 584                                         regulator-max-microvolt = <2850000>;
 585                                         bias-pull-down;
 586                                 };
 587                                 l6 {
 588                                         regulator-min-microvolt = <3000000>;
 589                                         regulator-max-microvolt = <3600000>;
 590                                         bias-pull-down;
 591                                 };
 592                                 l7 {
 593                                         regulator-min-microvolt = <1800000>;
 594                                         regulator-max-microvolt = <1800000>;
 595                                         bias-pull-down;
 596                                 };
 597                                 l8 {
 598                                         regulator-min-microvolt = <2900000>;
 599                                         regulator-max-microvolt = <3050000>;
 600                                         bias-pull-down;
 601                                 };
 602                                 l9 {
 603                                         regulator-min-microvolt = <1800000>;
 604                                         regulator-max-microvolt = <1800000>;
 605                                         bias-pull-down;
 606                                 };
 607                                 l10 {
 608                                         regulator-min-microvolt = <2600000>;
 609                                         regulator-max-microvolt = <2600000>;
 610                                         bias-pull-down;
 611                                 };
 612                                 l11 {
 613                                         regulator-min-microvolt = <1500000>;
 614                                         regulator-max-microvolt = <1500000>;
 615                                         bias-pull-down;
 616                                 };
 617                                 l12 {
 618                                         regulator-min-microvolt = <2900000>;
 619                                         regulator-max-microvolt = <2900000>;
 620                                         bias-pull-down;
 621                                 };
 622                                 l13 {
 623                                         regulator-min-microvolt = <2050000>;
 624                                         regulator-max-microvolt = <2050000>;
 625                                         bias-pull-down;
 626                                 };
 627                                 l14 {
 628                                         regulator-min-microvolt = <2850000>;
 629                                         regulator-max-microvolt = <2850000>;
 630                                 };
 631                                 l15 {
 632                                         regulator-min-microvolt = <2850000>;
 633                                         regulator-max-microvolt = <2850000>;
 634                                         bias-pull-down;
 635                                 };
 636                                 l16 {
 637                                         regulator-min-microvolt = <1800000>;
 638                                         regulator-max-microvolt = <1800000>;
 639                                         bias-pull-down;
 640                                         regulator-always-on;
 641                                 };
 642                                 l17 {
 643                                         // 1.5V according to schematic
 644                                         regulator-min-microvolt = <2600000>;
 645                                         regulator-max-microvolt = <2600000>;
 646                                         bias-pull-down;
 647                                 };
 648                                 l18 {
 649                                         regulator-min-microvolt = <2200000>;
 650                                         regulator-max-microvolt = <2200000>;
 651                                         bias-pull-down;
 652                                 };
 653                                 l19 {
 654                                         regulator-min-microvolt = <2500000>;
 655                                         regulator-max-microvolt = <2500000>;
 656                                         bias-pull-down;
 657                                 };
 658                                 l20 {
 659                                         regulator-min-microvolt = <1800000>;
 660                                         regulator-max-microvolt = <1800000>;
 661                                         bias-pull-down;
 662                                 };
 663                                 l21 {
 664                                         // 1.1 V according to schematic
 665                                         regulator-min-microvolt = <1200000>;
 666                                         regulator-max-microvolt = <1200000>;
 667                                         bias-pull-down;
 668                                         regulator-always-on;
 669                                 };
 670                                 l22 {
 671                                         // 1.2 V according to schematic
 672                                         regulator-min-microvolt = <1150000>;
 673                                         regulator-max-microvolt = <1150000>;
 674                                         bias-pull-down;
 675                                 };
 676                                 l23 {
 677                                         // Unused
 678                                         regulator-min-microvolt = <1200000>;
 679                                         regulator-max-microvolt = <1200000>;
 680                                         bias-pull-down;
 681                                 };
 682                                 l24 {
 683                                         // Unused
 684                                         regulator-min-microvolt = <1200000>;
 685                                         regulator-max-microvolt = <1200000>;
 686                                         bias-pull-down;
 687                                 };
 688                                 l25 {
 689                                         regulator-min-microvolt = <1200000>;
 690                                         regulator-max-microvolt = <1200000>;
 691                                         bias-pull-down;
 692                                 };
 693
 694                                 s0 {
 695                                         // regulator-min-microvolt = <500000>;
 696                                         // regulator-max-microvolt = <1325000>;
 697                                         regulator-min-microvolt = <1100000>;
 698                                         regulator-max-microvolt = <1100000>;
 699                                         qcom,switch-mode-frequency = <1600000>;
 700                                         bias-pull-down;
 701                                 };
 702                                 s1 {
 703                                         // regulator-min-microvolt = <500000>;
 704                                         // regulator-max-microvolt = <1250000>;
 705                                         regulator-min-microvolt = <1100000>;
 706                                         regulator-max-microvolt = <1100000>;
 707                                         qcom,switch-mode-frequency = <1600000>;
 708                                         bias-pull-down;
 709                                 };
 710                                 s2 {
 711                                         // 1.3 V according to schematic
 712                                         regulator-min-microvolt = <1200000>;
 713                                         regulator-max-microvolt = <1400000>;
 714                                         qcom,switch-mode-frequency = <1600000>;
 715                                         bias-pull-down;
 716                                 };
 717                                 s3 {
 718                                         regulator-min-microvolt = <1800000>;
 719                                         regulator-max-microvolt = <1800000>;
 720                                         qcom,switch-mode-frequency = <1600000>;
 721                                         regulator-always-on;
 722                                         bias-pull-down;
 723                                 };
 724                                 s4 {
 725                                         regulator-min-microvolt = <2200000>;
 726                                         regulator-max-microvolt = <2200000>;
 727                                         qcom,switch-mode-frequency = <1600000>;
 728                                         regulator-always-on;
 729                                         bias-pull-down;
 730                                 };
 731
 732                                 /* LVS0 and LVS1 are just switches */
 733                                 lvs0 {
 734                                         bias-pull-down;
 735                                 };
 736                                 lvs1 {
 737                                         bias-pull-down;
 738                                 };
 739
 740                                 ncp {
 741                                         regulator-min-microvolt = <1800000>;
 742                                         regulator-max-microvolt = <1800000>;
 743                                         qcom,switch-mode-frequency = <1600000>;
 744                                 };
 745                         };
 746                 };
 747                 amba {
 748                         /* Internal 3.69 GiB eMMC */
 749                         sdcc@12400000 {
 750                                 status = "okay";
 751                                 pinctrl-names = "default";
 752                                 pinctrl-0 = <&dragon_sdcc1_pins>;
 753                                 vmmc-supply = <&pm8901_l5>;
 754                                 vqmmc-supply = <&pm8901_lvs0>;
 755                         };
 756
 757                         /* External micro SD card, directly connected, pulled up to 2.85 V */
 758                         sdcc@12180000 {
 759                                 status = "okay";
 760                                 /* Enable SSBI GPIO 22 as input, use for card detect */
 761                                 pinctrl-names = "default";
 762                                 pinctrl-0 = <&dragon_sdcc3_pins>, <&dragon_sdcc3_gpios>;
 763                                 cd-gpios = <&pm8058_gpio 22 GPIO_ACTIVE_LOW>;
 764                                 wp-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
 765                                 vmmc-supply = <&pm8058_l14>;
 766                         };
 767
 768                         /*
 769                          * Second external micro SD card, using two TXB104RGYR levelshifters
 770                          * to lift from 1.8 V to 2.85 V
 771                          */
 772                         sdcc@12200000 {
 773                                 status = "okay";
 774                                 /* Enable SSBI GPIO 26 as input, use for card detect */
 775                                 pinctrl-names = "default";
 776                                 pinctrl-0 = <&dragon_sdcc5_pins>, <&dragon_sdcc5_gpios>;
 777                                 cd-gpios = <&pm8058_gpio 26 GPIO_ACTIVE_LOW>;
 778                                 wp-gpios = <&tlmm 106 GPIO_ACTIVE_HIGH>;
 779                                 vmmc-supply = <&pm8058_l14>;
 780                                 vqmmc-supply = <&dragon_vio_txb>;
 781                         };
 782                 };
 783         };
 784 };