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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Google Snow board device tree source
   4  *
   5  * Copyright (c) 2012 Google, Inc
   6  */
   7
   8 #include <dt-bindings/gpio/gpio.h>
   9 #include <dt-bindings/clock/maxim,max77686.h>
  10 #include <dt-bindings/interrupt-controller/irq.h>
  11 #include <dt-bindings/input/input.h>
  12 #include <dt-bindings/sound/samsung-i2s.h>
  13 #include "exynos5250.dtsi"
  14
  15 / {
  16         aliases {
  17                 i2c104 = &i2c_104;
  18         };
  19
  20         memory@40000000 {
  21                 device_type = "memory";
  22                 reg = <0x40000000 0x80000000>;
  23         };
  24
  25         chosen {
  26                 bootargs = "console=tty1";
  27                 stdout-path = "serial3:115200n8";
  28         };
  29
  30         gpio-keys {
  31                 compatible = "gpio-keys";
  32                 pinctrl-names = "default";
  33                 pinctrl-0 = <&power_key_irq &lid_irq>;
  34
  35                 power {
  36                         label = "Power";
  37                         gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
  38                         linux,code = <KEY_POWER>;
  39                         wakeup-source;
  40                 };
  41
  42                 lid-switch {
  43                         label = "Lid";
  44                         gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
  45                         linux,input-type = <5>; /* EV_SW */
  46                         linux,code = <0>; /* SW_LID */
  47                         debounce-interval = <1>;
  48                         wakeup-source;
  49                 };
  50         };
  51
  52         vbat: vbat-fixed-regulator {
  53                 compatible = "regulator-fixed";
  54                 regulator-name = "vbat-supply";
  55                 regulator-boot-on;
  56         };
  57
  58         i2c-arbitrator {
  59                 compatible = "i2c-arb-gpio-challenge";
  60                 #address-cells = <1>;
  61                 #size-cells = <0>;
  62
  63                 i2c-parent = <&i2c_4>;
  64
  65                 our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>;
  66                 their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>;
  67                 slew-delay-us = <10>;
  68                 wait-retry-us = <3000>;
  69                 wait-free-us = <50000>;
  70
  71                 pinctrl-names = "default";
  72                 pinctrl-0 = <&arb_our_claim &arb_their_claim>;
  73
  74                 /* Use ID 104 as a hint that we're on physical bus 4 */
  75                 i2c_104: i2c@0 {
  76                         reg = <0>;
  77                         #address-cells = <1>;
  78                         #size-cells = <0>;
  79
  80                         battery: sbs-battery@b {
  81                                 compatible = "sbs,sbs-battery";
  82                                 reg = <0xb>;
  83                                 sbs,poll-retry-count = <1>;
  84                         };
  85
  86                         cros_ec: embedded-controller@1e {
  87                                 compatible = "google,cros-ec-i2c";
  88                                 reg = <0x1e>;
  89                                 interrupts = <6 IRQ_TYPE_NONE>;
  90                                 interrupt-parent = <&gpx1>;
  91                                 pinctrl-names = "default";
  92                                 pinctrl-0 = <&ec_irq>;
  93                                 wakeup-source;
  94                         };
  95
  96                         power-regulator@48 {
  97                                 compatible = "ti,tps65090";
  98                                 reg = <0x48>;
  99
 100                                 /*
 101                                  * Config irq to disable internal pulls
 102                                  * even though we run in polling mode.
 103                                  */
 104                                 pinctrl-names = "default";
 105                                 pinctrl-0 = <&tps65090_irq>;
 106
 107                                 vsys1-supply = <&vbat>;
 108                                 vsys2-supply = <&vbat>;
 109                                 vsys3-supply = <&vbat>;
 110                                 infet1-supply = <&vbat>;
 111                                 infet2-supply = <&vbat>;
 112                                 infet3-supply = <&vbat>;
 113                                 infet4-supply = <&vbat>;
 114                                 infet5-supply = <&vbat>;
 115                                 infet6-supply = <&vbat>;
 116                                 infet7-supply = <&vbat>;
 117                                 vsys-l1-supply = <&vbat>;
 118                                 vsys-l2-supply = <&vbat>;
 119
 120                                 regulators {
 121                                         dcdc1 {
 122                                                 ti,enable-ext-control;
 123                                         };
 124                                         dcdc2 {
 125                                                 ti,enable-ext-control;
 126                                         };
 127                                         dcdc3 {
 128                                                 ti,enable-ext-control;
 129                                         };
 130                                         fet1: fet1 {
 131                                                 regulator-name = "vcd_led";
 132                                                 ti,overcurrent-wait = <3>;
 133                                         };
 134                                         tps65090_fet2: fet2 {
 135                                                 regulator-name = "video_mid";
 136                                                 regulator-always-on;
 137                                                 ti,overcurrent-wait = <3>;
 138                                         };
 139                                         fet3 {
 140                                                 regulator-name = "wwan_r";
 141                                                 regulator-always-on;
 142                                                 ti,overcurrent-wait = <3>;
 143                                         };
 144                                         fet4 {
 145                                                 regulator-name = "sdcard";
 146                                                 ti,overcurrent-wait = <3>;
 147                                         };
 148                                         fet5 {
 149                                                 regulator-name = "camout";
 150                                                 regulator-always-on;
 151                                                 ti,overcurrent-wait = <3>;
 152                                         };
 153                                         fet6: fet6 {
 154                                                 regulator-name = "lcd_vdd";
 155                                                 ti,overcurrent-wait = <3>;
 156                                         };
 157                                         tps65090_fet7: fet7 {
 158                                                 regulator-name = "video_mid_1a";
 159                                                 regulator-always-on;
 160                                                 ti,overcurrent-wait = <3>;
 161                                         };
 162                                         ldo1 {
 163                                         };
 164                                         ldo2 {
 165                                         };
 166                                 };
 167
 168                                 charger {
 169                                         compatible = "ti,tps65090-charger";
 170                                 };
 171                         };
 172                 };
 173         };
 174
 175         sound {
 176                 samsung,i2s-controller = <&i2s0>;
 177         };
 178
 179         usb3_vbus_reg: regulator-usb3 {
 180                 compatible = "regulator-fixed";
 181                 regulator-name = "P5.0V_USB3CON";
 182                 regulator-min-microvolt = <5000000>;
 183                 regulator-max-microvolt = <5000000>;
 184                 gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>;
 185                 pinctrl-names = "default";
 186                 pinctrl-0 = <&usb3_vbus_en>;
 187                 enable-active-high;
 188         };
 189
 190         fixed-rate-clocks {
 191                 xxti {
 192                         compatible = "samsung,clock-xxti";
 193                         clock-frequency = <24000000>;
 194                 };
 195         };
 196
 197         backlight: backlight {
 198                 compatible = "pwm-backlight";
 199                 pwms = <&pwm 0 1000000 0>;
 200                 brightness-levels = <0 100 500 1000 1500 2000 2500 2800>;
 201                 default-brightness-level = <7>;
 202                 enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>;
 203                 power-supply = <&fet1>;
 204                 pinctrl-0 = <&pwm0_out>;
 205                 pinctrl-names = "default";
 206         };
 207
 208         panel: panel {
 209                 compatible = "auo,b116xw03";
 210                 power-supply = <&fet6>;
 211                 backlight = <&backlight>;
 212
 213                 port {
 214                         panel_in: endpoint {
 215                                 remote-endpoint = <&bridge_out>;
 216                         };
 217                 };
 218         };
 219
 220         mmc3_pwrseq: mmc3_pwrseq {
 221                 compatible = "mmc-pwrseq-simple";
 222                 reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */
 223                               <&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */
 224                 clocks = <&max77686 MAX77686_CLK_PMIC>;
 225                 clock-names = "ext_clock";
 226         };
 227 };
 228
 229 &clock {
 230         assigned-clocks = <&clock CLK_FOUT_EPLL>;
 231         assigned-clock-rates = <49152000>;
 232 };
 233
 234 &clock_audss {
 235         assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>;
 236         assigned-clock-parents = <&clock CLK_FOUT_EPLL>;
 237 };
 238
 239 &cpu0 {
 240         cpu0-supply = <&buck2_reg>;
 241 };
 242
 243 &dp {
 244         status = "okay";
 245         pinctrl-names = "default";
 246         pinctrl-0 = <&dp_hpd>;
 247         samsung,color-space = <0>;
 248         samsung,color-depth = <1>;
 249         samsung,link-rate = <0x0a>;
 250         samsung,lane-count = <2>;
 251         hpd-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>;
 252
 253         ports {
 254                 port {
 255                         dp_out: endpoint {
 256                                 remote-endpoint = <&bridge_in>;
 257                         };
 258                 };
 259         };
 260 };
 261
 262 &ehci {
 263         samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
 264 };
 265
 266 &fimd {
 267         status = "okay";
 268         samsung,invert-vclk;
 269 };
 270
 271 &hdmi {
 272         status = "okay";
 273         hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
 274         pinctrl-names = "default";
 275         pinctrl-0 = <&hdmi_hpd_irq>;
 276         ddc = <&i2c_2>;
 277         hdmi-en-supply = <&tps65090_fet7>;
 278         vdd-supply = <&ldo8_reg>;
 279         vdd_osc-supply = <&ldo10_reg>;
 280         vdd_pll-supply = <&ldo8_reg>;
 281 };
 282
 283 &hdmicec {
 284         status = "okay";
 285 };
 286
 287 &i2c_0 {
 288         status = "okay";
 289         samsung,i2c-sda-delay = <100>;
 290         samsung,i2c-max-bus-freq = <378000>;
 291
 292         max77686: max77686@9 {
 293                 compatible = "maxim,max77686";
 294                 interrupt-parent = <&gpx3>;
 295                 interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
 296                 pinctrl-names = "default";
 297                 pinctrl-0 = <&max77686_irq>;
 298                 wakeup-source;
 299                 reg = <0x09>;
 300                 #clock-cells = <1>;
 301
 302                 voltage-regulators {
 303                         ldo1_reg: LDO1 {
 304                                 regulator-name = "P1.0V_LDO_OUT1";
 305                                 regulator-min-microvolt = <1000000>;
 306                                 regulator-max-microvolt = <1000000>;
 307                                 regulator-always-on;
 308                         };
 309
 310                         ldo2_reg: LDO2 {
 311                                 regulator-name = "P1.8V_LDO_OUT2";
 312                                 regulator-min-microvolt = <1800000>;
 313                                 regulator-max-microvolt = <1800000>;
 314                                 regulator-always-on;
 315                         };
 316
 317                         ldo3_reg: LDO3 {
 318                                 regulator-name = "P1.8V_LDO_OUT3";
 319                                 regulator-min-microvolt = <1800000>;
 320                                 regulator-max-microvolt = <1800000>;
 321                                 regulator-always-on;
 322                         };
 323
 324                         ldo7_reg: LDO7 {
 325                                 regulator-name = "P1.1V_LDO_OUT7";
 326                                 regulator-min-microvolt = <1100000>;
 327                                 regulator-max-microvolt = <1100000>;
 328                                 regulator-always-on;
 329                         };
 330
 331                         ldo8_reg: LDO8 {
 332                                 regulator-name = "P1.0V_LDO_OUT8";
 333                                 regulator-min-microvolt = <1000000>;
 334                                 regulator-max-microvolt = <1000000>;
 335                                 regulator-always-on;
 336                         };
 337
 338                         ldo10_reg: LDO10 {
 339                                 regulator-name = "P1.8V_LDO_OUT10";
 340                                 regulator-min-microvolt = <1800000>;
 341                                 regulator-max-microvolt = <1800000>;
 342                                 regulator-always-on;
 343                         };
 344
 345                         ldo12_reg: LDO12 {
 346                                 regulator-name = "P3.0V_LDO_OUT12";
 347                                 regulator-min-microvolt = <3000000>;
 348                                 regulator-max-microvolt = <3000000>;
 349                                 regulator-always-on;
 350                         };
 351
 352                         ldo14_reg: LDO14 {
 353                                 regulator-name = "P1.8V_LDO_OUT14";
 354                                 regulator-min-microvolt = <1800000>;
 355                                 regulator-max-microvolt = <1800000>;
 356                                 regulator-always-on;
 357                         };
 358
 359                         ldo15_reg: LDO15 {
 360                                 regulator-name = "P1.0V_LDO_OUT15";
 361                                 regulator-min-microvolt = <1000000>;
 362                                 regulator-max-microvolt = <1000000>;
 363                                 regulator-always-on;
 364                         };
 365
 366                         ldo16_reg: LDO16 {
 367                                 regulator-name = "P1.8V_LDO_OUT16";
 368                                 regulator-min-microvolt = <1800000>;
 369                                 regulator-max-microvolt = <1800000>;
 370                                 regulator-always-on;
 371                         };
 372
 373                         buck1_reg: BUCK1 {
 374                                 regulator-name = "vdd_mif";
 375                                 regulator-min-microvolt = <950000>;
 376                                 regulator-max-microvolt = <1300000>;
 377                                 regulator-always-on;
 378                                 regulator-boot-on;
 379                         };
 380
 381                         buck2_reg: BUCK2 {
 382                                 regulator-name = "vdd_arm";
 383                                 regulator-min-microvolt = <850000>;
 384                                 regulator-max-microvolt = <1350000>;
 385                                 regulator-always-on;
 386                                 regulator-boot-on;
 387                         };
 388
 389                         buck3_reg: BUCK3 {
 390                                 regulator-name = "vdd_int";
 391                                 regulator-min-microvolt = <900000>;
 392                                 regulator-max-microvolt = <1200000>;
 393                                 regulator-always-on;
 394                                 regulator-boot-on;
 395                         };
 396
 397                         buck4_reg: BUCK4 {
 398                                 regulator-name = "vdd_g3d";
 399                                 regulator-min-microvolt = <850000>;
 400                                 regulator-max-microvolt = <1300000>;
 401                                 regulator-always-on;
 402                                 regulator-boot-on;
 403                         };
 404
 405                         buck5_reg: BUCK5 {
 406                                 regulator-name = "P1.8V_BUCK_OUT5";
 407                                 regulator-min-microvolt = <1800000>;
 408                                 regulator-max-microvolt = <1800000>;
 409                                 regulator-always-on;
 410                                 regulator-boot-on;
 411                         };
 412
 413                         buck6_reg: BUCK6 {
 414                                 regulator-name = "P1.35V_BUCK_OUT6";
 415                                 regulator-min-microvolt = <1350000>;
 416                                 regulator-max-microvolt = <1350000>;
 417                                 regulator-always-on;
 418                         };
 419
 420                         buck7_reg: BUCK7 {
 421                                 regulator-name = "P2.0V_BUCK_OUT7";
 422                                 regulator-min-microvolt = <2000000>;
 423                                 regulator-max-microvolt = <2000000>;
 424                                 regulator-always-on;
 425                         };
 426
 427                         buck8_reg: BUCK8 {
 428                                 regulator-name = "P2.85V_BUCK_OUT8";
 429                                 regulator-min-microvolt = <2850000>;
 430                                 regulator-max-microvolt = <2850000>;
 431                                 regulator-always-on;
 432                         };
 433                 };
 434         };
 435 };
 436
 437 &i2c_1 {
 438         status = "okay";
 439         samsung,i2c-sda-delay = <100>;
 440         samsung,i2c-max-bus-freq = <378000>;
 441
 442         trackpad@67 {
 443                 reg = <0x67>;
 444                 compatible = "cypress,cyapa";
 445                 interrupts = <2 IRQ_TYPE_NONE>;
 446                 interrupt-parent = <&gpx1>;
 447                 wakeup-source;
 448         };
 449 };
 450
 451 /*
 452  * Disabled pullups since external part has its own pullups and
 453  * double-pulling gets us out of spec in some cases.
 454  */
 455 &i2c2_bus {
 456         samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 457 };
 458
 459 &i2c_2 {
 460         status = "okay";
 461         /* used by HDMI DDC */
 462         samsung,i2c-sda-delay = <100>;
 463         samsung,i2c-max-bus-freq = <66000>;
 464 };
 465
 466 &i2c_3 {
 467         status = "okay";
 468         samsung,i2c-sda-delay = <100>;
 469         samsung,i2c-max-bus-freq = <66000>;
 470 };
 471
 472 &i2c_4 {
 473         status = "okay";
 474         samsung,i2c-sda-delay = <100>;
 475         samsung,i2c-max-bus-freq = <66000>;
 476 };
 477
 478 &i2c_5 {
 479         status = "okay";
 480         samsung,i2c-sda-delay = <100>;
 481         samsung,i2c-max-bus-freq = <66000>;
 482 };
 483
 484 &i2c_7 {
 485         status = "okay";
 486         samsung,i2c-sda-delay = <100>;
 487         samsung,i2c-max-bus-freq = <66000>;
 488
 489         ptn3460: lvds-bridge@20 {
 490                 compatible = "nxp,ptn3460";
 491                 reg = <0x20>;
 492                 powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
 493                 reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>;
 494                 edid-emulation = <5>;
 495
 496                 ports {
 497                         #address-cells = <1>;
 498                         #size-cells = <0>;
 499
 500                         port@0 {
 501                                 reg = <0>;
 502
 503                                 bridge_out: endpoint {
 504                                         remote-endpoint = <&panel_in>;
 505                                 };
 506                         };
 507
 508                         port@1 {
 509                                 reg = <1>;
 510
 511                                 bridge_in: endpoint {
 512                                         remote-endpoint = <&dp_out>;
 513                                 };
 514                         };
 515                 };
 516         };
 517 };
 518
 519 &i2c_8 {
 520         status = "okay";
 521         /* used by HDMI PHY */
 522         samsung,i2c-sda-delay = <100>;
 523         samsung,i2c-max-bus-freq = <378000>;
 524 };
 525
 526 &i2s0 {
 527         assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>;
 528         assigned-clock-parents = <&clock_audss EXYNOS_I2S_BUS>;
 529         status = "okay";
 530 };
 531
 532 &mixer {
 533         status = "okay";
 534 };
 535
 536 /* eMMC flash */
 537 &mmc_0 {
 538         status = "okay";
 539         non-removable;
 540         samsung,dw-mshc-ciu-div = <3>;
 541         samsung,dw-mshc-sdr-timing = <2 3>;
 542         samsung,dw-mshc-ddr-timing = <1 2>;
 543         pinctrl-names = "default";
 544         pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>;
 545         bus-width = <8>;
 546         cap-mmc-highspeed;
 547 };
 548
 549 /* uSD card */
 550 &mmc_2 {
 551         status = "okay";
 552         card-detect-delay = <200>;
 553         samsung,dw-mshc-ciu-div = <3>;
 554         samsung,dw-mshc-sdr-timing = <2 3>;
 555         samsung,dw-mshc-ddr-timing = <1 2>;
 556         pinctrl-names = "default";
 557         pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>;
 558         bus-width = <4>;
 559         wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>;
 560         cap-sd-highspeed;
 561 };
 562
 563 /*
 564  * On Snow we've got SIP WiFi and so can keep drive strengths low to
 565  * reduce EMI.
 566  *
 567  * WiFi SDIO module
 568  */
 569 &mmc_3 {
 570         status = "okay";
 571         non-removable;
 572         cap-sdio-irq;
 573         keep-power-in-suspend;
 574         samsung,dw-mshc-ciu-div = <3>;
 575         samsung,dw-mshc-sdr-timing = <2 3>;
 576         samsung,dw-mshc-ddr-timing = <1 2>;
 577         pinctrl-names = "default";
 578         pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &wifi_en &wifi_rst>;
 579         bus-width = <4>;
 580         cap-sd-highspeed;
 581         mmc-pwrseq = <&mmc3_pwrseq>;
 582 };
 583
 584 &pinctrl_0 {
 585         wifi_en: wifi-en {
 586                 samsung,pins = "gpx0-1";
 587                 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
 588                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 589                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 590         };
 591
 592         wifi_rst: wifi-rst {
 593                 samsung,pins = "gpx0-2";
 594                 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
 595                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 596                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 597         };
 598
 599         power_key_irq: power-key-irq {
 600                 samsung,pins = "gpx1-3";
 601                 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
 602                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 603                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 604         };
 605
 606         ec_irq: ec-irq {
 607                 samsung,pins = "gpx1-6";
 608                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 609                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 610                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 611         };
 612
 613         tps65090_irq: tps65090-irq {
 614                 samsung,pins = "gpx2-6";
 615                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 616                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 617                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 618         };
 619
 620         usb3_vbus_en: usb3-vbus-en {
 621                 samsung,pins = "gpx2-7";
 622                 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
 623                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 624                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 625         };
 626
 627         max77686_irq: max77686-irq {
 628                 samsung,pins = "gpx3-2";
 629                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 630                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 631                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 632         };
 633
 634         lid_irq: lid-irq {
 635                 samsung,pins = "gpx3-5";
 636                 samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
 637                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 638                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 639         };
 640
 641         hdmi_hpd_irq: hdmi-hpd-irq {
 642                 samsung,pins = "gpx3-7";
 643                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 644                 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
 645                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 646         };
 647 };
 648
 649 &pinctrl_1 {
 650         arb_their_claim: arb-their-claim {
 651                 samsung,pins = "gpe0-4";
 652                 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
 653                 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
 654                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 655         };
 656
 657         arb_our_claim: arb-our-claim {
 658                 samsung,pins = "gpf0-3";
 659                 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
 660                 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 661                 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 662         };
 663 };
 664
 665 &pmu_system_controller {
 666         assigned-clocks = <&pmu_system_controller 0>;
 667         assigned-clock-parents = <&clock CLK_FIN_PLL>;
 668 };
 669
 670 &rtc {
 671         status = "okay";
 672         clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>;
 673         clock-names = "rtc", "rtc_src";
 674 };
 675
 676 &sd3_bus4 {
 677         samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 678 };
 679
 680 &sd3_clk {
 681         samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 682 };
 683
 684 &sd3_cmd {
 685         samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
 686         samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
 687 };
 688
 689 &spi_1 {
 690         status = "okay";
 691         samsung,spi-src-clk = <0>;
 692         num-cs = <1>;
 693         cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>;
 694 };
 695
 696 &usbdrd_dwc3 {
 697         dr_mode = "host";
 698 };
 699
 700 &usbdrd_phy {
 701         vbus-supply = <&usb3_vbus_reg>;
 702 };
 703
 704 #include "cros-ec-keyboard.dtsi"