arch/arm/boot/dts/exynos5250-snow-common.dtsi

   1 /*
   2  * Google Snow board device tree source
   3  *
   4  * Copyright (c) 2012 Google, Inc
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #include <dt-bindings/gpio/gpio.h>
  12 #include <dt-bindings/clock/maxim,max77686.h>
  13 #include <dt-bindings/interrupt-controller/irq.h>
  14 #include <dt-bindings/input/input.h>
  15 #include "exynos5250.dtsi"
  16
  17 / {
  18         aliases {
  19                 i2c104 = &i2c_104;
  20         };
  21
  22         memory {
  23                 reg = <0x40000000 0x80000000>;
  24         };
  25
  26         chosen {
  27                 bootargs = "console=tty1";
  28                 stdout-path = "serial3:115200n8";
  29         };
  30
  31         gpio-keys {
  32                 compatible = "gpio-keys";
  33                 pinctrl-names = "default";
  34                 pinctrl-0 = <&power_key_irq &lid_irq>;
  35
  36                 power {
  37                         label = "Power";
  38                         gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
  39                         linux,code = <KEY_POWER>;
  40                         gpio-key,wakeup;
  41                 };
  42
  43                 lid-switch {
  44                         label = "Lid";
  45                         gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
  46                         linux,input-type = <5>; /* EV_SW */
  47                         linux,code = <0>; /* SW_LID */
  48                         debounce-interval = <1>;
  49                         gpio-key,wakeup;
  50                 };
  51         };
  52
  53         vbat: vbat-fixed-regulator {
  54                 compatible = "regulator-fixed";
  55                 regulator-name = "vbat-supply";
  56                 regulator-boot-on;
  57         };
  58
  59         i2c-arbitrator {
  60                 compatible = "i2c-arb-gpio-challenge";
  61                 #address-cells = <1>;
  62                 #size-cells = <0>;
  63
  64                 i2c-parent = <&{/i2c@12CA0000}>;
  65
  66                 our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
  67                 their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
  68                 slew-delay-us = <10>;
  69                 wait-retry-us = <3000>;
  70                 wait-free-us = <50000>;
  71
  72                 pinctrl-names = "default";
  73                 pinctrl-0 = <&arb_our_claim &arb_their_claim>;
  74
  75                 /* Use ID 104 as a hint that we're on physical bus 4 */
  76                 i2c_104: i2c@0 {
  77                         reg = <0>;
  78                         #address-cells = <1>;
  79                         #size-cells = <0>;
  80
  81                         battery: sbs-battery@b {
  82                                 compatible = "sbs,sbs-battery";
  83                                 reg = <0xb>;
  84                                 sbs,poll-retry-count = <1>;
  85                         };
  86
  87                         cros_ec: embedded-controller {
  88                                 compatible = "google,cros-ec-i2c";
  89                                 reg = <0x1e>;
  90                                 interrupts = <6 IRQ_TYPE_NONE>;
  91                                 interrupt-parent = <&gpx1>;
  92                                 pinctrl-names = "default";
  93                                 pinctrl-0 = <&ec_irq>;
  94                                 wakeup-source;
  95                         };
  96
  97                         power-regulator {
  98                                 compatible = "ti,tps65090";
  99                                 reg = <0x48>;
 100
 101                                 /*
 102                                  * Config irq to disable internal pulls
 103                                  * even though we run in polling mode.
 104                                  */
 105                                 pinctrl-names = "default";
 106                                 pinctrl-0 = <&tps65090_irq>;
 107
 108                                 vsys1-supply = <&vbat>;
 109                                 vsys2-supply = <&vbat>;
 110                                 vsys3-supply = <&vbat>;
 111                                 infet1-supply = <&vbat>;
 112                                 infet2-supply = <&vbat>;
 113                                 infet3-supply = <&vbat>;
 114                                 infet4-supply = <&vbat>;
 115                                 infet5-supply = <&vbat>;
 116                                 infet6-supply = <&vbat>;
 117                                 infet7-supply = <&vbat>;
 118                                 vsys-l1-supply = <&vbat>;
 119                                 vsys-l2-supply = <&vbat>;
 120
 121                                 regulators {
 122                                         dcdc1 {
 123                                                 ti,enable-ext-control;
 124                                         };
 125                                         dcdc2 {
 126                                                 ti,enable-ext-control;
 127                                         };
 128                                         dcdc3 {
 129                                                 ti,enable-ext-control;
 130                                         };
 131                                         fet1: fet1 {
 132                                                 regulator-name = "vcd_led";
 133                                                 ti,overcurrent-wait = <3>;
 134                                         };
 135                                         tps65090_fet2: fet2 {
 136                                                 regulator-name = "video_mid";
 137                                                 regulator-always-on;
 138                                                 ti,overcurrent-wait = <3>;
 139                                         };
 140                                         fet3 {
 141                                                 regulator-name = "wwan_r";
 142                                                 regulator-always-on;
 143                                                 ti,overcurrent-wait = <3>;
 144                                         };
 145                                         fet4 {
 146                                                 regulator-name = "sdcard";
 147                                                 ti,overcurrent-wait = <3>;
 148                                         };
 149                                         fet5 {
 150                                                 regulator-name = "camout";
 151                                                 regulator-always-on;
 152                                                 ti,overcurrent-wait = <3>;
 153                                         };
 154                                         fet6: fet6 {
 155                                                 regulator-name = "lcd_vdd";
 156                                                 ti,overcurrent-wait = <3>;
 157                                         };
 158                                         tps65090_fet7: fet7 {
 159                                                 regulator-name = "video_mid_1a";
 160                                                 regulator-always-on;
 161                                                 ti,overcurrent-wait = <3>;
 162                                         };
 163                                         ldo1 {
 164                                         };
 165                                         ldo2 {
 166                                         };
 167                                 };
 168
 169                                 charger {
 170                                         compatible = "ti,tps65090-charger";
 171                                 };
 172                         };
 173                 };
 174         };
 175
 176         sound {
 177                 samsung,i2s-controller = <&i2s0>;
 178         };
 179
 180         usb3_vbus_reg: regulator-usb3 {
 181                 compatible = "regulator-fixed";
 182                 regulator-name = "P5.0V_USB3CON";
 183                 regulator-min-microvolt = <5000000>;
 184                 regulator-max-microvolt = <5000000>;
 185                 gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
 186                 pinctrl-names = "default";
 187                 pinctrl-0 = <&usb3_vbus_en>;
 188                 enable-active-high;
 189         };
 190
 191         fixed-rate-clocks {
 192                 xxti {
 193                         compatible = "samsung,clock-xxti";
 194                         clock-frequency = <24000000>;
 195                 };
 196         };
 197
 198         backlight: backlight {
 199                 compatible = "pwm-backlight";
 200                 pwms = <&pwm 0 1000000 0>;
 201                 brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
 202                 default-brightness-level = <7>;
 203                 enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
 204                 power-supply = <&fet1>;
 205                 pinctrl-0 = <&pwm0_out>;
 206                 pinctrl-names = "default";
 207         };
 208
 209         panel: panel {
 210                 compatible = "auo,b116xw03";
 211                 power-supply = <&fet6>;
 212                 backlight = <&backlight>;
 213
 214                 port {
 215                         panel_in: endpoint {
 216                                 remote-endpoint = <&bridge_out>;
 217                         };
 218                 };
 219         };
 220
 221         mmc3_pwrseq: mmc3_pwrseq {
 222                 compatible = "mmc-pwrseq-simple";
 223                 reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */
 224                               <&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */
 225                 clocks = <&max77686 MAX77686_CLK_PMIC>;
 226                 clock-names = "ext_clock";
 227         };
 228 };
 229
 230 &cpu0 {
 231         cpu0-supply = <&buck2_reg>;
 232 };
 233
 234 &dp {
 235         status = "okay";
 236         pinctrl-names = "default";
 237         pinctrl-0 = <&dp_hpd>;
 238         samsung,color-space = <0>;
 239         samsung,dynamic-range = <0>;
 240         samsung,ycbcr-coeff = <0>;
 241         samsung,color-depth = <1>;
 242         samsung,link-rate = <0x0a>;
 243         samsung,lane-count = <2>;
 244         samsung,hpd-gpio = <&gpx0 7 GPIO_ACTIVE_HIGH>;
 245
 246         ports {
 247                 port@0 {
 248                         dp_out: endpoint {
 249                                 remote-endpoint = <&bridge_in>;
 250                         };
 251                 };
 252         };
 253 };
 254
 255 &ehci {
 256         samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
 257 };
 258
 259 &fimd {
 260         status = "okay";
 261         samsung,invert-vclk;
 262 };
 263
 264 &hdmi {
 265         hpd-gpio = <&gpx3 7 GPIO_ACTIVE_HIGH>;
 266         pinctrl-names = "default";
 267         pinctrl-0 = <&hdmi_hpd_irq>;
 268         phy = <&hdmiphy>;
 269         ddc = <&i2c_2>;
 270         hdmi-en-supply = <&tps65090_fet7>;
 271         vdd-supply = <&ldo8_reg>;
 272         vdd_osc-supply = <&ldo10_reg>;
 273         vdd_pll-supply = <&ldo8_reg>;
 274 };
 275
 276 &i2c_0 {
 277         status = "okay";
 278         samsung,i2c-sda-delay = <100>;
 279         samsung,i2c-max-bus-freq = <378000>;
 280
 281         max77686: max77686@09 {
 282                 compatible = "maxim,max77686";
 283                 interrupt-parent = <&gpx3>;
 284                 interrupts = <2 IRQ_TYPE_NONE>;
 285                 pinctrl-names = "default";
 286                 pinctrl-0 = <&max77686_irq>;
 287                 wakeup-source;
 288                 reg = <0x09>;
 289                 #clock-cells = <1>;
 290
 291                 voltage-regulators {
 292                         ldo1_reg: LDO1 {
 293                                 regulator-name = "P1.0V_LDO_OUT1";
 294                                 regulator-min-microvolt = <1000000>;
 295                                 regulator-max-microvolt = <1000000>;
 296                                 regulator-always-on;
 297                         };
 298
 299                         ldo2_reg: LDO2 {
 300                                 regulator-name = "P1.8V_LDO_OUT2";
 301                                 regulator-min-microvolt = <1800000>;
 302                                 regulator-max-microvolt = <1800000>;
 303                                 regulator-always-on;
 304                         };
 305
 306                         ldo3_reg: LDO3 {
 307                                 regulator-name = "P1.8V_LDO_OUT3";
 308                                 regulator-min-microvolt = <1800000>;
 309                                 regulator-max-microvolt = <1800000>;
 310                                 regulator-always-on;
 311                         };
 312
 313                         ldo7_reg: LDO7 {
 314                                 regulator-name = "P1.1V_LDO_OUT7";
 315                                 regulator-min-microvolt = <1100000>;
 316                                 regulator-max-microvolt = <1100000>;
 317                                 regulator-always-on;
 318                         };
 319
 320                         ldo8_reg: LDO8 {
 321                                 regulator-name = "P1.0V_LDO_OUT8";
 322                                 regulator-min-microvolt = <1000000>;
 323                                 regulator-max-microvolt = <1000000>;
 324                                 regulator-always-on;
 325                         };
 326
 327                         ldo10_reg: LDO10 {
 328                                 regulator-name = "P1.8V_LDO_OUT10";
 329                                 regulator-min-microvolt = <1800000>;
 330                                 regulator-max-microvolt = <1800000>;
 331                                 regulator-always-on;
 332                         };
 333
 334                         ldo12_reg: LDO12 {
 335                                 regulator-name = "P3.0V_LDO_OUT12";
 336                                 regulator-min-microvolt = <3000000>;
 337                                 regulator-max-microvolt = <3000000>;
 338                                 regulator-always-on;
 339                         };
 340
 341                         ldo14_reg: LDO14 {
 342                                 regulator-name = "P1.8V_LDO_OUT14";
 343                                 regulator-min-microvolt = <1800000>;
 344                                 regulator-max-microvolt = <1800000>;
 345                                 regulator-always-on;
 346                         };
 347
 348                         ldo15_reg: LDO15 {
 349                                 regulator-name = "P1.0V_LDO_OUT15";
 350                                 regulator-min-microvolt = <1000000>;
 351                                 regulator-max-microvolt = <1000000>;
 352                                 regulator-always-on;
 353                         };
 354
 355                         ldo16_reg: LDO16 {
 356                                 regulator-name = "P1.8V_LDO_OUT16";
 357                                 regulator-min-microvolt = <1800000>;
 358                                 regulator-max-microvolt = <1800000>;
 359                                 regulator-always-on;
 360                         };
 361
 362                         buck1_reg: BUCK1 {
 363                                 regulator-name = "vdd_mif";
 364                                 regulator-min-microvolt = <950000>;
 365                                 regulator-max-microvolt = <1300000>;
 366                                 regulator-always-on;
 367                                 regulator-boot-on;
 368                         };
 369
 370                         buck2_reg: BUCK2 {
 371                                 regulator-name = "vdd_arm";
 372                                 regulator-min-microvolt = <850000>;
 373                                 regulator-max-microvolt = <1350000>;
 374                                 regulator-always-on;
 375                                 regulator-boot-on;
 376                         };
 377
 378                         buck3_reg: BUCK3 {
 379                                 regulator-name = "vdd_int";
 380                                 regulator-min-microvolt = <900000>;
 381                                 regulator-max-microvolt = <1200000>;
 382                                 regulator-always-on;
 383                                 regulator-boot-on;
 384                         };
 385
 386                         buck4_reg: BUCK4 {
 387                                 regulator-name = "vdd_g3d";
 388                                 regulator-min-microvolt = <850000>;
 389                                 regulator-max-microvolt = <1300000>;
 390                                 regulator-always-on;
 391                                 regulator-boot-on;
 392                         };
 393
 394                         buck5_reg: BUCK5 {
 395                                 regulator-name = "P1.8V_BUCK_OUT5";
 396                                 regulator-min-microvolt = <1800000>;
 397                                 regulator-max-microvolt = <1800000>;
 398                                 regulator-always-on;
 399                                 regulator-boot-on;
 400                         };
 401
 402                         buck6_reg: BUCK6 {
 403                                 regulator-name = "P1.35V_BUCK_OUT6";
 404                                 regulator-min-microvolt = <1350000>;
 405                                 regulator-max-microvolt = <1350000>;
 406                                 regulator-always-on;
 407                         };
 408
 409                         buck7_reg: BUCK7 {
 410                                 regulator-name = "P2.0V_BUCK_OUT7";
 411                                 regulator-min-microvolt = <2000000>;
 412                                 regulator-max-microvolt = <2000000>;
 413                                 regulator-always-on;
 414                         };
 415
 416                         buck8_reg: BUCK8 {
 417                                 regulator-name = "P2.85V_BUCK_OUT8";
 418                                 regulator-min-microvolt = <2850000>;
 419                                 regulator-max-microvolt = <2850000>;
 420                                 regulator-always-on;
 421                         };
 422                 };
 423         };
 424 };
 425
 426 &i2c_1 {
 427         status = "okay";
 428         samsung,i2c-sda-delay = <100>;
 429         samsung,i2c-max-bus-freq = <378000>;
 430
 431         trackpad {
 432                 reg = <0x67>;
 433                 compatible = "cypress,cyapa";
 434                 interrupts = <2 IRQ_TYPE_NONE>;
 435                 interrupt-parent = <&gpx1>;
 436                 wakeup-source;
 437         };
 438 };
 439
 440 /*
 441  * Disabled pullups since external part has its own pullups and
 442  * double-pulling gets us out of spec in some cases.
 443  */
 444 &i2c2_bus {
 445         samsung,pin-pud = <0>;
 446 };
 447
 448 &i2c_2 {
 449         status = "okay";
 450         samsung,i2c-sda-delay = <100>;
 451         samsung,i2c-max-bus-freq = <66000>;
 452
 453         hdmiddc@50 {
 454                 compatible = "samsung,exynos4210-hdmiddc";
 455                 reg = <0x50>;
 456         };
 457 };
 458
 459 &i2c_3 {
 460         status = "okay";
 461         samsung,i2c-sda-delay = <100>;
 462         samsung,i2c-max-bus-freq = <66000>;
 463 };
 464
 465 &i2c_4 {
 466         status = "okay";
 467         samsung,i2c-sda-delay = <100>;
 468         samsung,i2c-max-bus-freq = <66000>;
 469 };
 470
 471 &i2c_5 {
 472         status = "okay";
 473         samsung,i2c-sda-delay = <100>;
 474         samsung,i2c-max-bus-freq = <66000>;
 475 };
 476
 477 &i2c_7 {
 478         status = "okay";
 479         samsung,i2c-sda-delay = <100>;
 480         samsung,i2c-max-bus-freq = <66000>;
 481
 482         ptn3460: lvds-bridge@20 {
 483                 compatible = "nxp,ptn3460";
 484                 reg = <0x20>;
 485                 powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
 486                 reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
 487                 edid-emulation = <5>;
 488
 489                 ports {
 490                         port@0 {
 491                                 bridge_out: endpoint {
 492                                         remote-endpoint = <&panel_in>;
 493                                 };
 494                         };
 495
 496                         port@1 {
 497                                 bridge_in: endpoint {
 498                                         remote-endpoint = <&dp_out>;
 499                                 };
 500                         };
 501                 };
 502         };
 503 };
 504
 505 &i2c_8 {
 506         status = "okay";
 507         samsung,i2c-sda-delay = <100>;
 508         samsung,i2c-max-bus-freq = <378000>;
 509
 510         hdmiphy: hdmiphy@38 {
 511                 compatible = "samsung,exynos4212-hdmiphy";
 512                 reg = <0x38>;
 513         };
 514 };
 515
 516 &i2s0 {
 517         status = "okay";
 518 };
 519
 520 &mmc_0 {
 521         status = "okay";
 522         num-slots = <1>;
 523         non-removable;
 524         samsung,dw-mshc-ciu-div = <3>;
 525         samsung,dw-mshc-sdr-timing = <2 3>;
 526         samsung,dw-mshc-ddr-timing = <1 2>;
 527         pinctrl-names = "default";
 528         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
 529         bus-width = <8>;
 530         cap-mmc-highspeed;
 531 };
 532
 533 &mmc_2 {
 534         status = "okay";
 535         num-slots = <1>;
 536         card-detect-delay = <200>;
 537         samsung,dw-mshc-ciu-div = <3>;
 538         samsung,dw-mshc-sdr-timing = <2 3>;
 539         samsung,dw-mshc-ddr-timing = <1 2>;
 540         pinctrl-names = "default";
 541         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 542         bus-width = <4>;
 543         wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>;
 544         cap-sd-highspeed;
 545 };
 546
 547 /*
 548  * On Snow we've got SIP WiFi and so can keep drive strengths low to
 549  * reduce EMI.
 550  */
 551 &mmc_3 {
 552         status = "okay";
 553         num-slots = <1>;
 554         non-removable;
 555         cap-sdio-irq;
 556         keep-power-in-suspend;
 557         samsung,dw-mshc-ciu-div = <3>;
 558         samsung,dw-mshc-sdr-timing = <2 3>;
 559         samsung,dw-mshc-ddr-timing = <1 2>;
 560         pinctrl-names = "default";
 561         pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &wifi_en &wifi_rst>;
 562         bus-width = <4>;
 563         cap-sd-highspeed;
 564         mmc-pwrseq = <&mmc3_pwrseq>;
 565 };
 566
 567 &pinctrl_0 {
 568         wifi_en: wifi-en {
 569                 samsung,pins = "gpx0-1";
 570                 samsung,pin-function = <1>;
 571                 samsung,pin-pud = <0>;
 572                 samsung,pin-drv = <0>;
 573         };
 574
 575         wifi_rst: wifi-rst {
 576                 samsung,pins = "gpx0-2";
 577                 samsung,pin-function = <1>;
 578                 samsung,pin-pud = <0>;
 579                 samsung,pin-drv = <0>;
 580         };
 581
 582         power_key_irq: power-key-irq {
 583                 samsung,pins = "gpx1-3";
 584                 samsung,pin-function = <0xf>;
 585                 samsung,pin-pud = <0>;
 586                 samsung,pin-drv = <0>;
 587         };
 588
 589         ec_irq: ec-irq {
 590                 samsung,pins = "gpx1-6";
 591                 samsung,pin-function = <0>;
 592                 samsung,pin-pud = <0>;
 593                 samsung,pin-drv = <0>;
 594         };
 595
 596         tps65090_irq: tps65090-irq {
 597                 samsung,pins = "gpx2-6";
 598                 samsung,pin-function = <0>;
 599                 samsung,pin-pud = <0>;
 600                 samsung,pin-drv = <0>;
 601         };
 602
 603         usb3_vbus_en: usb3-vbus-en {
 604                 samsung,pins = "gpx2-7";
 605                 samsung,pin-function = <1>;
 606                 samsung,pin-pud = <0>;
 607                 samsung,pin-drv = <0>;
 608         };
 609
 610         max77686_irq: max77686-irq {
 611                 samsung,pins = "gpx3-2";
 612                 samsung,pin-function = <0>;
 613                 samsung,pin-pud = <0>;
 614                 samsung,pin-drv = <0>;
 615         };
 616
 617         lid_irq: lid-irq {
 618                 samsung,pins = "gpx3-5";
 619                 samsung,pin-function = <0xf>;
 620                 samsung,pin-pud = <0>;
 621                 samsung,pin-drv = <0>;
 622         };
 623
 624         hdmi_hpd_irq: hdmi-hpd-irq {
 625                 samsung,pins = "gpx3-7";
 626                 samsung,pin-function = <0>;
 627                 samsung,pin-pud = <1>;
 628                 samsung,pin-drv = <0>;
 629         };
 630 };
 631
 632 &pinctrl_1 {
 633         arb_their_claim: arb-their-claim {
 634                 samsung,pins = "gpe0-4";
 635                 samsung,pin-function = <0>;
 636                 samsung,pin-pud = <3>;
 637                 samsung,pin-drv = <0>;
 638         };
 639
 640         arb_our_claim: arb-our-claim {
 641                 samsung,pins = "gpf0-3";
 642                 samsung,pin-function = <1>;
 643                 samsung,pin-pud = <0>;
 644                 samsung,pin-drv = <0>;
 645         };
 646 };
 647
 648 &rtc {
 649         status = "okay";
 650         clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
 651         clock-names = "rtc", "rtc_src";
 652 };
 653
 654 &sd3_bus4 {
 655         samsung,pin-drv = <0>;
 656 };
 657
 658 &sd3_clk {
 659         samsung,pin-drv = <0>;
 660 };
 661
 662 &sd3_cmd {
 663         samsung,pin-pud = <3>;
 664         samsung,pin-drv = <0>;
 665 };
 666
 667 &spi_1 {
 668         status = "okay";
 669         samsung,spi-src-clk = <0>;
 670         num-cs = <1>;
 671         cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>;
 672 };
 673
 674 &usbdrd_dwc3 {
 675         dr_mode = "host";
 676 };
 677
 678 &usbdrd_phy {
 679         vbus-supply = <&usb3_vbus_reg>;
 680 };
 681
 682 #include "cros-ec-keyboard.dtsi"