src/arm/qcom-apq8060-dragonboard.dts

   1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 #include <dt-bindings/input/input.h>
   3 #include <dt-bindings/gpio/gpio.h>
   4 #include <dt-bindings/leds/common.h>
   5 #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
   6 #include <dt-bindings/pinctrl/qcom,pmic-mpp.h>
   7 #include "qcom-msm8660.dtsi"
   8
   9 / {
  10         model = "Qualcomm APQ8060 Dragonboard";
  11         compatible = "qcom,apq8060-dragonboard", "qcom,msm8660";
  12
  13         aliases {
  14                 serial0 = &gsbi12_serial;
  15         };
  16
  17         chosen {
  18                 stdout-path = "serial0:115200n8";
  19         };
  20
  21         regulators {
  22                 compatible = "simple-bus";
  23
  24                 /* Main power of the board: 3.7V */
  25                 vph: regulator-fixed {
  26                         compatible = "regulator-fixed";
  27                         regulator-min-microvolt = <3700000>;
  28                         regulator-max-microvolt = <3700000>;
  29                         regulator-name = "VPH";
  30                         regulator-type = "voltage";
  31                         regulator-always-on;
  32                         regulator-boot-on;
  33                 };
  34
  35                 /* GPIO controlled ethernet power regulator */
  36                 dragon_veth: xc622a331mrg {
  37                         compatible = "regulator-fixed";
  38                         regulator-name = "XC6222A331MR-G";
  39                         regulator-min-microvolt = <3300000>;
  40                         regulator-max-microvolt = <3300000>;
  41                         vin-supply = <&vph>;
  42                         gpio = <&pm8058_gpio 40 GPIO_ACTIVE_HIGH>;
  43                         enable-active-high;
  44                         pinctrl-names = "default";
  45                         pinctrl-0 = <&dragon_veth_gpios>;
  46                         regulator-always-on;
  47                 };
  48
  49                 /* VDDvario fixed regulator */
  50                 dragon_vario: nds332p {
  51                         compatible = "regulator-fixed";
  52                         regulator-name = "NDS332P";
  53                         regulator-min-microvolt = <1800000>;
  54                         regulator-max-microvolt = <1800000>;
  55                         vin-supply = <&pm8058_s3>;
  56                 };
  57
  58                 /* This is a levelshifter for SDCC5 */
  59                 dragon_vio_txb: txb0104rgyr {
  60                         compatible = "regulator-fixed";
  61                         regulator-name = "Dragon SDCC levelshifter";
  62                         vin-supply = <&pm8058_l14>;
  63                         regulator-always-on;
  64                 };
  65         };
  66
  67         /*
  68          * Capella CM3605 light and proximity sensor mounted directly
  69          * on the sensor board.
  70          */
  71         cm3605 {
  72                 compatible = "capella,cm3605";
  73                 vdd-supply = <&pm8058_l14>; // 2.85V
  74                 aset-gpios = <&pm8058_gpio 35 GPIO_ACTIVE_LOW>;
  75                 capella,aset-resistance-ohms = <100000>;
  76                 /* Trig on both edges - getting close or far away */
  77                 interrupts-extended = <&pm8058_gpio 34 IRQ_TYPE_EDGE_BOTH>;
  78                 /* MPP05 analog input to the XOADC */
  79                 io-channels = <&xoadc 0x00 0x05>;
  80                 io-channel-names = "aout";
  81                 pinctrl-names = "default";
  82                 pinctrl-0 = <&dragon_cm3605_gpios>, <&dragon_cm3605_mpps>;
  83         };
  84 };
  85
  86 &ebi2 {
  87         /* The EBI2 will instantiate first, then populate its children */
  88         pinctrl-names = "default";
  89         pinctrl-0 = <&dragon_ebi2_pins>;
  90         status = "okay";
  91
  92         /*
  93          * An on-board SMSC LAN9221 chip for "debug ethernet",
  94          * which is actually just an ordinary ethernet on the
  95          * EBI2. This has a 25MHz chrystal next to it, so no
  96          * clocking is needed.
  97          */
  98         ethernet@2,0 {
  99                 compatible = "smsc,lan9221", "smsc,lan9115";
 100                 reg = <2 0x0 0x100>;
 101                 /*
 102                  * The second interrupt is the PME interrupt
 103                  * for network wakeup, connected to the TLMM.
 104                  */
 105                 interrupts-extended = <&pm8058_gpio 7 IRQ_TYPE_EDGE_FALLING>,
 106                                     <&tlmm 29 IRQ_TYPE_EDGE_RISING>;
 107                 reset-gpios = <&tlmm 30 GPIO_ACTIVE_LOW>;
 108                 vdd33a-supply = <&dragon_veth>;
 109                 vddvario-supply = <&dragon_vario>;
 110                 pinctrl-names = "default";
 111                 pinctrl-0 = <&dragon_ethernet_gpios>;
 112                 phy-mode = "mii";
 113                 reg-io-width = <2>;
 114                 smsc,force-external-phy;
 115                 smsc,irq-push-pull;
 116
 117                 /*
 118                  * SLOW chipselect config
 119                  * Delay 9 cycles (140ns@64MHz) between SMSC
 120                  * LAN9221 Ethernet controller reads and writes
 121                  * on CS2.
 122                  */
 123                 qcom,xmem-recovery-cycles = <0>;
 124                 qcom,xmem-write-hold-cycles = <3>;
 125                 qcom,xmem-write-delta-cycles = <31>;
 126                 qcom,xmem-read-delta-cycles = <28>;
 127                 qcom,xmem-write-wait-cycles = <9>;
 128                 qcom,xmem-read-wait-cycles = <9>;
 129         };
 130 };
 131
 132 &gsbi3 {
 133         qcom,mode = <GSBI_PROT_I2C>;
 134         status = "okay";
 135 };
 136
 137 &gsbi3_i2c {
 138         pinctrl-names = "default";
 139         pinctrl-0 = <&dragon_gsbi3_i2c_pins>;
 140         status = "okay";
 141
 142         touchscreen@24 {
 143                 compatible = "cypress,cy8ctma340";
 144                 reg = <0x24>;
 145                 /* Certainly we can do at least 400 kHz */
 146                 clock-frequency = <400000>;
 147                 /* IRQ on GPIO61 called /CTP_INT */
 148                 interrupt-parent = <&tlmm>;
 149                 interrupts = <61 IRQ_TYPE_EDGE_FALLING>;
 150                 /*
 151                  * The I2C bus is using a PCA9306 level translator from L16A
 152                  * to L2B so these two voltages are needed and L16A is
 153                  * kind of the IO voltage, however L16Aisn't really fed to
 154                  * the TMA340, which relies entirely on L2B (PM8901 L2).
 155                  */
 156                 vcpin-supply = <&pm8058_l16>;
 157                 vdd-supply = <&pm8901_l2>;
 158                 /* GPIO58, called WAKE_CTP */
 159                 reset-gpios = <&tlmm 58 GPIO_ACTIVE_LOW>;
 160                 touchscreen-size-x = <480>;
 161                 touchscreen-size-y = <800>;
 162                 active-interval-ms = <0>;
 163                 touch-timeout-ms = <255>;
 164                 lowpower-interval-ms = <10>;
 165                 bootloader-key = /bits/ 8 <0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07>;
 166                 pinctrl-names = "default";
 167                 pinctrl-0 = <&dragon_tma340_gpios>;
 168         };
 169 };
 170
 171 &gsbi8 {
 172         qcom,mode = <GSBI_PROT_I2C>;
 173         status = "okay";
 174 };
 175
 176 &gsbi8_i2c {
 177         pinctrl-names = "default";
 178         pinctrl-0 = <&dragon_gsbi8_i2c_pins>;
 179         status = "okay";
 180
 181         eeprom@52 {
 182                 /* A 16KiB Platform ID EEPROM on the CPU carrier board */
 183                 compatible = "atmel,24c128";
 184                 reg = <0x52>;
 185                 vcc-supply = <&pm8058_s3>;
 186                 pagesize = <64>;
 187         };
 188         wm8903: wm8903@1a {
 189                 /* This Woolfson Micro device has an unrouted interrupt line */
 190                 compatible = "wlf,wm8903";
 191                 reg = <0x1a>;
 192
 193                 AVDD-supply = <&pm8058_l16>;
 194                 CPVDD-supply = <&pm8058_l16>;
 195                 DBVDD-supply = <&pm8058_s3>;
 196                 DCVDD-supply = <&pm8058_l0>;
 197
 198                 gpio-controller;
 199                 #gpio-cells = <2>;
 200
 201                 micdet-cfg = <0>;
 202                 micdet-delay = <100>;
 203                 gpio-cfg = <0xffffffff 0xffffffff 0 0xffffffff 0xffffffff>;
 204         };
 205 };
 206
 207 &gsbi12 {
 208         qcom,mode = <GSBI_PROT_I2C_UART>;
 209         status = "okay";
 210 };
 211
 212 &gsbi12_serial {
 213         pinctrl-names = "default";
 214         pinctrl-0 = <&dragon_gsbi12_serial_pins>;
 215         status = "okay";
 216 };
 217
 218 &gsbi12_i2c {
 219         pinctrl-names = "default";
 220         pinctrl-0 = <&dragon_gsbi12_i2c_pins>;
 221         status = "okay";
 222
 223         ak8975@c {
 224                 compatible = "asahi-kasei,ak8975";
 225                 reg = <0x0c>;
 226                 interrupt-parent = <&pm8058_gpio>;
 227                 interrupts = <33 IRQ_TYPE_EDGE_RISING>;
 228                 pinctrl-names = "default";
 229                 pinctrl-0 = <&dragon_ak8975_gpios>;
 230                 vid-supply = <&pm8058_lvs0>; // 1.8V
 231                 vdd-supply = <&pm8058_l14>; // 2.85V
 232         };
 233         bmp085@77 {
 234                 compatible = "bosch,bmp085";
 235                 reg = <0x77>;
 236                 interrupt-parent = <&pm8058_gpio>;
 237                 interrupts = <16 IRQ_TYPE_EDGE_RISING>;
 238                 reset-gpios = <&tlmm 86 GPIO_ACTIVE_LOW>;
 239                 pinctrl-names = "default";
 240                 pinctrl-0 = <&dragon_bmp085_gpios>;
 241                 vddd-supply = <&pm8058_lvs0>; // 1.8V
 242                 vdda-supply = <&pm8058_l14>; // 2.85V
 243         };
 244         mpu3050@68 {
 245                 compatible = "invensense,mpu3050";
 246                 reg = <0x68>;
 247                 /*
 248                  * GPIO17 is pulled high by a 10k
 249                  * resistor to VLOGIC so needs to be
 250                  * active low/falling edge.
 251                  */
 252                 interrupts-extended = <&pm8058_gpio 17 IRQ_TYPE_EDGE_FALLING>;
 253                 pinctrl-names = "default";
 254                 pinctrl-0 = <&dragon_mpu3050_gpios>;
 255                 vlogic-supply = <&pm8058_lvs0>; // 1.8V
 256                 vdd-supply = <&pm8058_l14>; // 2.85V
 257
 258                 /*
 259                  * The MPU-3050 acts as a hub for the
 260                  * accelerometer.
 261                  */
 262                 i2c-gate {
 263                         #address-cells = <1>;
 264                         #size-cells = <0>;
 265
 266                         kxsd9@18 {
 267                                 compatible = "kionix,kxsd9";
 268                                 reg = <0x18>;
 269                                 interrupt-parent = <&tlmm>;
 270                                 interrupts = <57 IRQ_TYPE_EDGE_FALLING>;
 271                                 pinctrl-names = "default";
 272                                 pinctrl-0 = <&dragon_kxsd9_gpios>;
 273                                 iovdd-supply = <&pm8058_lvs0>; // 1.8V
 274                                 vdd-supply = <&pm8058_l14>; // 2.85V
 275                         };
 276                 };
 277         };
 278 };
 279
 280 &pm8058_gpio {
 281         dragon_ethernet_gpios: ethernet-state {
 282                 pinconf {
 283                         pins = "gpio7";
 284                         function = "normal";
 285                         input-enable;
 286                         bias-disable;
 287                         power-source = <PM8058_GPIO_S3>;
 288                 };
 289         };
 290         dragon_bmp085_gpios: bmp085-state {
 291                 pinconf {
 292                         pins = "gpio16";
 293                         function = "normal";
 294                         input-enable;
 295                         bias-disable;
 296                         power-source = <PM8058_GPIO_S3>;
 297                 };
 298         };
 299         dragon_mpu3050_gpios: mpu3050-state {
 300                 pinconf {
 301                         pins = "gpio17";
 302                         function = "normal";
 303                         input-enable;
 304                         bias-disable;
 305                         power-source = <PM8058_GPIO_S3>;
 306                 };
 307         };
 308         dragon_sdcc3_gpios: sdcc3-state {
 309                 pinconf {
 310                         pins = "gpio22";
 311                         function = "normal";
 312                         input-enable;
 313                         bias-disable;
 314                         power-source = <PM8058_GPIO_S3>;
 315                 };
 316         };
 317         dragon_sdcc5_gpios: sdcc5-state {
 318                 pinconf {
 319                         pins = "gpio26";
 320                         function = "normal";
 321                         input-enable;
 322                         bias-pull-up;
 323                         qcom,pull-up-strength = <PMIC_GPIO_PULL_UP_30>;
 324                         power-source = <PM8058_GPIO_S3>;
 325                 };
 326         };
 327         dragon_ak8975_gpios: ak8975-state {
 328                 pinconf {
 329                         pins = "gpio33";
 330                         function = "normal";
 331                         input-enable;
 332                         bias-disable;
 333                         power-source = <PM8058_GPIO_S3>;
 334                 };
 335         };
 336         dragon_cm3605_gpios: cm3605-state {
 337                 /* Pin 34 connected to the proxy IRQ */
 338                 gpio34-pins {
 339                         pins = "gpio34";
 340                         function = "normal";
 341                         input-enable;
 342                         bias-disable;
 343                         power-source = <PM8058_GPIO_S3>;
 344                 };
 345                 /* Pin 35 connected to ASET */
 346                 gpio35-pins {
 347                         pins = "gpio35";
 348                         function = "normal";
 349                         output-high;
 350                         bias-disable;
 351                         power-source = <PM8058_GPIO_S3>;
 352                 };
 353         };
 354         dragon_veth_gpios: veth-state {
 355                 pinconf {
 356                         pins = "gpio40";
 357                         function = "normal";
 358                         bias-disable;
 359                         drive-push-pull;
 360                 };
 361         };
 362 };
 363
 364 &pm8058_keypad {
 365         linux,keymap = <
 366                 MATRIX_KEY(0, 0, KEY_MENU)
 367                 MATRIX_KEY(0, 2, KEY_1)
 368                 MATRIX_KEY(0, 3, KEY_4)
 369                 MATRIX_KEY(0, 4, KEY_7)
 370                 MATRIX_KEY(1, 0, KEY_UP)
 371                 MATRIX_KEY(1, 1, KEY_LEFT)
 372                 MATRIX_KEY(1, 2, KEY_DOWN)
 373                 MATRIX_KEY(1, 3, KEY_5)
 374                 MATRIX_KEY(1, 3, KEY_8)
 375                 MATRIX_KEY(2, 0, KEY_HOME)
 376                 MATRIX_KEY(2, 1, KEY_REPLY)
 377                 MATRIX_KEY(2, 2, KEY_2)
 378                 MATRIX_KEY(2, 3, KEY_6)
 379                 MATRIX_KEY(3, 0, KEY_VOLUMEUP)
 380                 MATRIX_KEY(3, 1, KEY_RIGHT)
 381                 MATRIX_KEY(3, 2, KEY_3)
 382                 MATRIX_KEY(3, 3, KEY_9)
 383                 MATRIX_KEY(3, 4, KEY_SWITCHVIDEOMODE)
 384                 MATRIX_KEY(4, 0, KEY_VOLUMEDOWN)
 385                 MATRIX_KEY(4, 1, KEY_BACK)
 386                 MATRIX_KEY(4, 2, KEY_CAMERA)
 387                 MATRIX_KEY(4, 3, KEY_KBDILLUMTOGGLE)
 388         >;
 389         keypad,num-rows = <6>;
 390         keypad,num-columns = <5>;
 391 };
 392
 393 &pm8058_led48 {
 394         /*
 395          * The keypad LED @0x48 is routed to
 396          * the sensor board where it is
 397          * connected to an infrared LED
 398          * SFH4650 (60mW, @850nm) next to the
 399          * ambient light and proximity sensor
 400          * Capella Microsystems CM3605.
 401          */
 402         label = "pm8058:infrared:proximitysensor";
 403         default-state = "off";
 404         linux,default-trigger = "cm3605";
 405         status = "okay";
 406 };
 407
 408 &pm8058_led131 {
 409         label = "pm8058:red";
 410         color = <LED_COLOR_ID_RED>;
 411         default-state = "off";
 412         status = "okay";
 413 };
 414
 415 &pm8058_led132 {
 416         /*
 417          * This is actually green too on my
 418          * board, but documented as yellow.
 419          */
 420         label = "pm8058:yellow";
 421         color = <LED_COLOR_ID_YELLOW>;
 422         default-state = "off";
 423         linux,default-trigger = "mmc0";
 424         status = "okay";
 425 };
 426
 427 &pm8058_led133 {
 428         label = "pm8058:green";
 429         function = LED_FUNCTION_HEARTBEAT;
 430         color = <LED_COLOR_ID_GREEN>;
 431         default-state = "on";
 432         linux,default-trigger = "heartbeat";
 433         status = "okay";
 434 };
 435
 436 &pm8058_mpps {
 437         dragon_cm3605_mpps: cm3605-mpps-state {
 438                 mpp5 {
 439                         pins = "mpp5";
 440                         function = "analog";
 441                         input-enable;
 442                         bias-high-impedance;
 443                         /* Let's use channel 5 */
 444                         qcom,amux-route = <PMIC_MPP_AMUX_ROUTE_CH5>;
 445                         power-source = <PM8058_GPIO_S3>;
 446                 };
 447         };
 448 };
 449
 450 &rpm {
 451         /*
 452          * Set up of the PMIC RPM regulators for this board
 453          * PM8901 supplies "preliminary regulators" whatever
 454          * that means
 455          */
 456         pm8901-regulators {
 457                 vdd_l0-supply = <&pm8901_s4>;
 458                 vdd_l1-supply = <&vph>;
 459                 vdd_l2-supply = <&vph>;
 460                 vdd_l3-supply = <&vph>;
 461                 vdd_l4-supply = <&vph>;
 462                 vdd_l5-supply = <&vph>;
 463                 vdd_l6-supply = <&vph>;
 464                 /* vdd_s0-supply, vdd_s1-supply: SAW regulators */
 465                 vdd_s2-supply = <&vph>;
 466                 vdd_s3-supply = <&vph>;
 467                 vdd_s4-supply = <&vph>;
 468                 lvs0_in-supply = <&pm8058_s3>;
 469                 lvs1_in-supply = <&pm8901_s4>;
 470                 lvs2_in-supply = <&pm8058_l0>;
 471                 lvs3_in-supply = <&pm8058_s2>;
 472                 mvs_in-supply = <&pm8058_s3>;
 473
 474                 l0 {
 475                         regulator-min-microvolt = <1200000>;
 476                         regulator-max-microvolt = <1200000>;
 477                         bias-pull-down;
 478                 };
 479                 l1 {
 480                         regulator-min-microvolt = <3300000>;
 481                         regulator-max-microvolt = <3300000>;
 482                         bias-pull-down;
 483                 };
 484                 l2 {
 485                         /* TMA340 requires strictly 3.3V */
 486                         regulator-min-microvolt = <3300000>;
 487                         regulator-max-microvolt = <3300000>;
 488                         bias-pull-down;
 489                 };
 490                 l3 {
 491                         regulator-min-microvolt = <3300000>;
 492                         regulator-max-microvolt = <3300000>;
 493                         bias-pull-down;
 494                 };
 495                 l4 {
 496                         regulator-min-microvolt = <2600000>;
 497                         regulator-max-microvolt = <2600000>;
 498                         bias-pull-down;
 499                 };
 500                 l5 {
 501                         regulator-min-microvolt = <2850000>;
 502                         regulator-max-microvolt = <2850000>;
 503                         bias-pull-down;
 504                 };
 505                 l6 {
 506                         regulator-min-microvolt = <2200000>;
 507                         regulator-max-microvolt = <2200000>;
 508                         bias-pull-down;
 509                 };
 510
 511                 /* s0 and s1 are SAW regulators controlled over SPM */
 512                 s2 {
 513                         regulator-min-microvolt = <1300000>;
 514                         regulator-max-microvolt = <1300000>;
 515                         qcom,switch-mode-frequency = <1600000>;
 516                         bias-pull-down;
 517                 };
 518                 s3 {
 519                         regulator-min-microvolt = <1100000>;
 520                         regulator-max-microvolt = <1100000>;
 521                         qcom,switch-mode-frequency = <1600000>;
 522                         bias-pull-down;
 523                 };
 524                 s4 {
 525                         regulator-min-microvolt = <1225000>;
 526                         regulator-max-microvolt = <1225000>;
 527                         qcom,switch-mode-frequency = <1600000>;
 528                         bias-pull-down;
 529                 };
 530
 531                 /* LVS0 thru 3 and mvs are just switches */
 532                 lvs0 {
 533                         regulator-always-on;
 534                 };
 535                 lvs1 { };
 536                 lvs2 { };
 537                 lvs3 { };
 538                 mvs { };
 539
 540         };
 541
 542         pm8058-regulators {
 543                 vdd_l0_l1_lvs-supply = <&pm8058_s3>;
 544                 vdd_l2_l11_l12-supply = <&vph>;
 545                 vdd_l3_l4_l5-supply = <&vph>;
 546                 vdd_l6_l7-supply = <&vph>;
 547                 vdd_l8-supply = <&vph>;
 548                 vdd_l9-supply = <&vph>;
 549                 vdd_l10-supply = <&vph>;
 550                 vdd_l13_l16-supply = <&pm8058_s4>;
 551                 vdd_l14_l15-supply = <&vph>;
 552                 vdd_l17_l18-supply = <&vph>;
 553                 vdd_l19_l20-supply = <&vph>;
 554                 vdd_l21-supply = <&pm8058_s3>;
 555                 vdd_l22-supply = <&pm8058_s3>;
 556                 vdd_l23_l24_l25-supply = <&pm8058_s3>;
 557                 vdd_s0-supply = <&vph>;
 558                 vdd_s1-supply = <&vph>;
 559                 vdd_s2-supply = <&vph>;
 560                 vdd_s3-supply = <&vph>;
 561                 vdd_s4-supply = <&vph>;
 562                 vdd_ncp-supply = <&vph>;
 563
 564                 l0 {
 565                         regulator-min-microvolt = <1200000>;
 566                         regulator-max-microvolt = <1200000>;
 567                         bias-pull-down;
 568                 };
 569                 l1 {
 570                         regulator-min-microvolt = <1200000>;
 571                         regulator-max-microvolt = <1200000>;
 572                         bias-pull-down;
 573                 };
 574                 l2 {
 575                         regulator-min-microvolt = <1800000>;
 576                         regulator-max-microvolt = <2600000>;
 577                         bias-pull-down;
 578                 };
 579                 l3 {
 580                         regulator-min-microvolt = <1800000>;
 581                         regulator-max-microvolt = <1800000>;
 582                         bias-pull-down;
 583                 };
 584                 l4 {
 585                         regulator-min-microvolt = <2850000>;
 586                         regulator-max-microvolt = <2850000>;
 587                         bias-pull-down;
 588                 };
 589                 l5 {
 590                         regulator-min-microvolt = <2850000>;
 591                         regulator-max-microvolt = <2850000>;
 592                         bias-pull-down;
 593                 };
 594                 l6 {
 595                         regulator-min-microvolt = <3000000>;
 596                         regulator-max-microvolt = <3600000>;
 597                         bias-pull-down;
 598                 };
 599                 l7 {
 600                         regulator-min-microvolt = <1800000>;
 601                         regulator-max-microvolt = <1800000>;
 602                         bias-pull-down;
 603                 };
 604                 l8 {
 605                         regulator-min-microvolt = <2900000>;
 606                         regulator-max-microvolt = <3050000>;
 607                         bias-pull-down;
 608                 };
 609                 l9 {
 610                         regulator-min-microvolt = <1800000>;
 611                         regulator-max-microvolt = <1800000>;
 612                         bias-pull-down;
 613                 };
 614                 l10 {
 615                         regulator-min-microvolt = <2600000>;
 616                         regulator-max-microvolt = <2600000>;
 617                         bias-pull-down;
 618                 };
 619                 l11 {
 620                         regulator-min-microvolt = <1500000>;
 621                         regulator-max-microvolt = <1500000>;
 622                         bias-pull-down;
 623                 };
 624                 l12 {
 625                         regulator-min-microvolt = <2900000>;
 626                         regulator-max-microvolt = <2900000>;
 627                         bias-pull-down;
 628                 };
 629                 l13 {
 630                         regulator-min-microvolt = <2050000>;
 631                         regulator-max-microvolt = <2050000>;
 632                         bias-pull-down;
 633                 };
 634                 l14 {
 635                         regulator-min-microvolt = <2850000>;
 636                         regulator-max-microvolt = <2850000>;
 637                 };
 638                 l15 {
 639                         regulator-min-microvolt = <2850000>;
 640                         regulator-max-microvolt = <2850000>;
 641                         bias-pull-down;
 642                 };
 643                 l16 {
 644                         regulator-min-microvolt = <1800000>;
 645                         regulator-max-microvolt = <1800000>;
 646                         bias-pull-down;
 647                         regulator-always-on;
 648                 };
 649                 l17 {
 650                         // 1.5V according to schematic
 651                         regulator-min-microvolt = <2600000>;
 652                         regulator-max-microvolt = <2600000>;
 653                         bias-pull-down;
 654                 };
 655                 l18 {
 656                         regulator-min-microvolt = <2200000>;
 657                         regulator-max-microvolt = <2200000>;
 658                         bias-pull-down;
 659                 };
 660                 l19 {
 661                         regulator-min-microvolt = <2500000>;
 662                         regulator-max-microvolt = <2500000>;
 663                         bias-pull-down;
 664                 };
 665                 l20 {
 666                         regulator-min-microvolt = <1800000>;
 667                         regulator-max-microvolt = <1800000>;
 668                         bias-pull-down;
 669                 };
 670                 l21 {
 671                         // 1.1 V according to schematic
 672                         regulator-min-microvolt = <1200000>;
 673                         regulator-max-microvolt = <1200000>;
 674                         bias-pull-down;
 675                         regulator-always-on;
 676                 };
 677                 l22 {
 678                         // 1.2 V according to schematic
 679                         regulator-min-microvolt = <1150000>;
 680                         regulator-max-microvolt = <1150000>;
 681                         bias-pull-down;
 682                 };
 683                 l23 {
 684                         // Unused
 685                         regulator-min-microvolt = <1200000>;
 686                         regulator-max-microvolt = <1200000>;
 687                         bias-pull-down;
 688                 };
 689                 l24 {
 690                         // Unused
 691                         regulator-min-microvolt = <1200000>;
 692                         regulator-max-microvolt = <1200000>;
 693                         bias-pull-down;
 694                 };
 695                 l25 {
 696                         regulator-min-microvolt = <1200000>;
 697                         regulator-max-microvolt = <1200000>;
 698                         bias-pull-down;
 699                 };
 700
 701                 s0 {
 702                         // regulator-min-microvolt = <500000>;
 703                         // regulator-max-microvolt = <1325000>;
 704                         regulator-min-microvolt = <1100000>;
 705                         regulator-max-microvolt = <1100000>;
 706                         qcom,switch-mode-frequency = <1600000>;
 707                         bias-pull-down;
 708                 };
 709                 s1 {
 710                         // regulator-min-microvolt = <500000>;
 711                         // regulator-max-microvolt = <1250000>;
 712                         regulator-min-microvolt = <1100000>;
 713                         regulator-max-microvolt = <1100000>;
 714                         qcom,switch-mode-frequency = <1600000>;
 715                         bias-pull-down;
 716                 };
 717                 s2 {
 718                         // 1.3 V according to schematic
 719                         regulator-min-microvolt = <1200000>;
 720                         regulator-max-microvolt = <1400000>;
 721                         qcom,switch-mode-frequency = <1600000>;
 722                         bias-pull-down;
 723                 };
 724                 s3 {
 725                         regulator-min-microvolt = <1800000>;
 726                         regulator-max-microvolt = <1800000>;
 727                         qcom,switch-mode-frequency = <1600000>;
 728                         regulator-always-on;
 729                         bias-pull-down;
 730                 };
 731                 s4 {
 732                         regulator-min-microvolt = <2200000>;
 733                         regulator-max-microvolt = <2200000>;
 734                         qcom,switch-mode-frequency = <1600000>;
 735                         regulator-always-on;
 736                         bias-pull-down;
 737                 };
 738
 739                 /* LVS0 and LVS1 are just switches */
 740                 lvs0 {
 741                         bias-pull-down;
 742                 };
 743                 lvs1 {
 744                         bias-pull-down;
 745                 };
 746
 747                 ncp {
 748                         regulator-min-microvolt = <1800000>;
 749                         regulator-max-microvolt = <1800000>;
 750                         qcom,switch-mode-frequency = <1600000>;
 751                 };
 752         };
 753 };
 754
 755 /* Internal 3.69 GiB eMMC */
 756 &sdcc1 {
 757         pinctrl-names = "default";
 758         pinctrl-0 = <&dragon_sdcc1_pins>;
 759         vmmc-supply = <&pm8901_l5>;
 760         vqmmc-supply = <&pm8901_lvs0>;
 761         status = "okay";
 762 };
 763
 764 /* External micro SD card, directly connected, pulled up to 2.85 V */
 765 &sdcc3 {
 766         /* Enable SSBI GPIO 22 as input, use for card detect */
 767         pinctrl-names = "default";
 768         pinctrl-0 = <&dragon_sdcc3_pins>, <&dragon_sdcc3_gpios>;
 769         cd-gpios = <&pm8058_gpio 22 GPIO_ACTIVE_LOW>;
 770         wp-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
 771         vmmc-supply = <&pm8058_l14>;
 772         status = "okay";
 773 };
 774
 775 /*
 776  * Second external micro SD card, using two TXB104RGYR levelshifters
 777  * to lift from 1.8 V to 2.85 V
 778  */
 779 &sdcc5 {
 780         /* Enable SSBI GPIO 26 as input, use for card detect */
 781         pinctrl-names = "default";
 782         pinctrl-0 = <&dragon_sdcc5_pins>, <&dragon_sdcc5_gpios>;
 783         cd-gpios = <&pm8058_gpio 26 GPIO_ACTIVE_LOW>;
 784         wp-gpios = <&tlmm 106 GPIO_ACTIVE_HIGH>;
 785         vmmc-supply = <&pm8058_l14>;
 786         vqmmc-supply = <&dragon_vio_txb>;
 787         status = "okay";
 788 };
 789
 790 &tlmm {
 791         /* eMMC pins, all 8 data lines connected */
 792         dragon_sdcc1_pins: sdcc1-state {
 793                 clk-pins {
 794                         pins = "gpio167"; /* SDC1 CLK */
 795                         function = "sdc1";
 796                         drive-strength = <16>;
 797                         bias-disable;
 798                 };
 799                 cmd-pins {
 800                         pins = "gpio168"; /* SDC1 CMD */
 801                         function = "sdc1";
 802                         drive-strength = <10>;
 803                         bias-pull-up;
 804                 };
 805                 data-pins {
 806                         /* SDC1 D0 to D7 */
 807                         pins = "gpio159", "gpio160", "gpio161", "gpio162",
 808                              "gpio163", "gpio164", "gpio165", "gpio166";
 809                         function = "sdc1";
 810                         drive-strength = <10>;
 811                         bias-pull-up;
 812                 };
 813         };
 814
 815         /*
 816          * The SDCC3 pins are hardcoded (non-muxable) but need some pin
 817          * configuration.
 818          */
 819         dragon_sdcc3_pins: sdcc3-state {
 820                 clk-pins {
 821                         pins = "sdc3_clk";
 822                         drive-strength = <8>;
 823                         bias-disable;
 824                 };
 825                 cmd-pins {
 826                         pins = "sdc3_cmd";
 827                         drive-strength = <8>;
 828                         bias-pull-up;
 829                 };
 830                 data-pins {
 831                         pins = "sdc3_data";
 832                         drive-strength = <8>;
 833                         bias-pull-up;
 834                 };
 835         };
 836
 837         /* Second SD card slot pins */
 838         dragon_sdcc5_pins: sdcc5-state {
 839                 clk-pins {
 840                         pins = "gpio97"; /* SDC5 CLK */
 841                         function = "sdc5";
 842                         drive-strength = <16>;
 843                         bias-disable;
 844                 };
 845                 cmd-pins {
 846                         pins = "gpio95"; /* SDC5 CMD */
 847                         function = "sdc5";
 848                         drive-strength = <10>;
 849                         bias-pull-up;
 850                 };
 851                 data-pins {
 852                         /* SDC5 D0 to D3 */
 853                         pins = "gpio96", "gpio98", "gpio99", "gpio100";
 854                         function = "sdc5";
 855                         drive-strength = <10>;
 856                         bias-pull-up;
 857                 };
 858         };
 859
 860         dragon_gsbi3_i2c_pins: gsbi3-i2c-state {
 861                 pins = "gpio43", "gpio44";
 862                 function = "gsbi3";
 863                 drive-strength = <8>;
 864                 /* These have external pull-up 2.2kOhm to 1.8V */
 865                 bias-disable;
 866         };
 867
 868         dragon_gsbi8_i2c_pins: gsbi8-i2c-state {
 869                 pins = "gpio64", "gpio65";
 870                 function = "gsbi8";
 871                 drive-strength = <16>;
 872                 /* These have external pull-up 2.2kOhm to 1.8V */
 873                 bias-disable;
 874         };
 875
 876         dragon_gsbi12_i2c_pins: gsbi12-i2c-state {
 877                 pins = "gpio115", "gpio116";
 878                 function = "gsbi12";
 879                 drive-strength = <16>;
 880                 /* These have external pull-up 4.7kOhm to 1.8V */
 881                 bias-disable;
 882         };
 883
 884         /* Primary serial port uart 0 pins */
 885         dragon_gsbi12_serial_pins: gsbi12-serial-state {
 886                 tx-pins {
 887                         pins = "gpio117";
 888                         function = "gsbi12";
 889                         drive-strength = <8>;
 890                         bias-disable;
 891                 };
 892                 rx-pins {
 893                         pins = "gpio118";
 894                         function = "gsbi12";
 895                         drive-strength = <2>;
 896                         bias-pull-up;
 897                 };
 898         };
 899
 900         dragon_ebi2_pins: ebi2-state {
 901                 /*
 902                  * Pins used by EBI2 on the Dragonboard, actually only
 903                  * CS2 is used by a real peripheral. CS0 is just
 904                  * routed to a test point.
 905                  */
 906                 mux0-pins {
 907                         pins =
 908                             /* "gpio39", CS1A_N this is not good to mux */
 909                             "gpio40", /* CS2A_N */
 910                             "gpio134"; /* CS0_N testpoint TP29 */
 911                         function = "ebi2cs";
 912                 };
 913                 mux1-pins {
 914                         pins =
 915                             /* EBI2_ADDR_7 downto EBI2_ADDR_0 address bus */
 916                             "gpio123", "gpio124", "gpio125", "gpio126",
 917                             "gpio127", "gpio128", "gpio129", "gpio130",
 918                             /* EBI2_DATA_15 downto EBI2_DATA_0 data bus */
 919                             "gpio135", "gpio136", "gpio137", "gpio138",
 920                             "gpio139", "gpio140", "gpio141", "gpio142",
 921                             "gpio143", "gpio144", "gpio145", "gpio146",
 922                             "gpio147", "gpio148", "gpio149", "gpio150",
 923                             "gpio151", /* EBI2_OE_N */
 924                             "gpio153", /* EBI2_ADV */
 925                             "gpio157"; /* EBI2_WE_N */
 926                         function = "ebi2";
 927                 };
 928         };
 929
 930         /* Interrupt line for the KXSD9 accelerometer */
 931         dragon_kxsd9_gpios: kxsd9-state {
 932                 pins = "gpio57"; /* IRQ line */
 933                 function = "gpio";
 934                 bias-pull-up;
 935         };
 936
 937         dragon_tma340_gpios: tma340-state {
 938                 reset-pins {
 939                         /* RESET line, TS_ATTN, WAKE_CTP */
 940                         pins = "gpio58";
 941                         function = "gpio";
 942                         drive-strength = <6>;
 943                         bias-disable;
 944                 };
 945                 irq-pins {
 946                         pins = "gpio61"; /* IRQ line */
 947                         function = "gpio";
 948                         drive-strength = <2>;
 949                         bias-pull-up;
 950                 };
 951         };
 952 };
 953
 954 &xoadc {
 955         /* Reference voltage 2.2 V */
 956         xoadc-ref-supply = <&pm8058_l18>;
 957
 958         /* Board-specific channels */
 959         mpp5@5 {
 960                 /* Connected to AOUT of ALS sensor */
 961                 reg = <0x00 0x05>;
 962         };
 963         mpp6@6 {
 964                 /* Connected to test point TP43 */
 965                 reg = <0x00 0x06>;
 966         };
 967         mpp7@7 {
 968                 /* Connected to battery thermistor */
 969                 reg = <0x00 0x07>;
 970         };
 971         mpp8@8 {
 972                 /* Connected to battery ID detector */
 973                 reg = <0x00 0x08>;
 974         };
 975         mpp9@9 {
 976                 /* Connected to XO thermistor */
 977                 reg = <0x00 0x09>;
 978         };
 979 };