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 mmc0 = &mmc_0; /* eMMC */ 19 mmc1 = &mmc_2; /* SD */ 20 mmc2 = &mmc_3; /* WiFi */ 21 }; 22 23 memory@40000000 { 24 device_type = "memory"; 25 reg = <0x40000000 0x80000000>; 26 }; 27 28 chosen { 29 bootargs = "console=tty1"; 30 stdout-path = "serial3:115200n8"; 31 }; 32 33 gpio-keys { 34 compatible = "gpio-keys"; 35 pinctrl-names = "default"; 36 pinctrl-0 = <&power_key_irq &lid_irq>; 37 38 power-key { 39 label = "Power"; 40 gpios = <&gpx1 3 GPIO_ACTIVE_LOW>; 41 linux,code = <KEY_POWER>; 42 wakeup-source; 43 }; 44 45 lid-switch { 46 label = "Lid"; 47 gpios = <&gpx3 5 GPIO_ACTIVE_LOW>; 48 linux,input-type = <5>; /* EV_SW */ 49 linux,code = <0>; /* SW_LID */ 50 debounce-interval = <1>; 51 wakeup-source; 52 }; 53 }; 54 55 vbat: vbat-fixed-regulator { 56 compatible = "regulator-fixed"; 57 regulator-name = "vbat-supply"; 58 regulator-boot-on; 59 }; 60 61 i2c-arbitrator { 62 compatible = "i2c-arb-gpio-challenge"; 63 #address-cells = <1>; 64 #size-cells = <0>; 65 66 i2c-parent = <&i2c_4>; 67 68 our-claim-gpio = <&gpf0 3 GPIO_ACTIVE_LOW>; 69 their-claim-gpios = <&gpe0 4 GPIO_ACTIVE_LOW>; 70 slew-delay-us = <10>; 71 wait-retry-us = <3000>; 72 wait-free-us = <50000>; 73 74 pinctrl-names = "default"; 75 pinctrl-0 = <&arb_our_claim &arb_their_claim>; 76 77 /* Use ID 104 as a hint that we're on physical bus 4 */ 78 i2c_104: i2c@0 { 79 reg = <0>; 80 #address-cells = <1>; 81 #size-cells = <0>; 82 83 battery: sbs-battery@b { 84 compatible = "sbs,sbs-battery"; 85 reg = <0xb>; 86 sbs,poll-retry-count = <1>; 87 }; 88 89 cros_ec: embedded-controller@1e { 90 compatible = "google,cros-ec-i2c"; 91 reg = <0x1e>; 92 interrupts = <6 IRQ_TYPE_NONE>; 93 interrupt-parent = <&gpx1>; 94 pinctrl-names = "default"; 95 pinctrl-0 = <&ec_irq>; 96 wakeup-source; 97 }; 98 99 power-regulator@48 { 100 compatible = "ti,tps65090"; 101 reg = <0x48>; 102 103 /* 104 * Config irq to disable internal pulls 105 * even though we run in polling mode. 106 */ 107 pinctrl-names = "default"; 108 pinctrl-0 = <&tps65090_irq>; 109 110 vsys1-supply = <&vbat>; 111 vsys2-supply = <&vbat>; 112 vsys3-supply = <&vbat>; 113 infet1-supply = <&vbat>; 114 infet2-supply = <&vbat>; 115 infet3-supply = <&vbat>; 116 infet4-supply = <&vbat>; 117 infet5-supply = <&vbat>; 118 infet6-supply = <&vbat>; 119 infet7-supply = <&vbat>; 120 vsys-l1-supply = <&vbat>; 121 vsys-l2-supply = <&vbat>; 122 123 regulators { 124 dcdc1 { 125 ti,enable-ext-control; 126 }; 127 dcdc2 { 128 ti,enable-ext-control; 129 }; 130 dcdc3 { 131 ti,enable-ext-control; 132 }; 133 fet1: fet1 { 134 regulator-name = "vcd_led"; 135 ti,overcurrent-wait = <3>; 136 }; 137 tps65090_fet2: fet2 { 138 regulator-name = "video_mid"; 139 regulator-always-on; 140 ti,overcurrent-wait = <3>; 141 }; 142 fet3 { 143 regulator-name = "wwan_r"; 144 regulator-always-on; 145 ti,overcurrent-wait = <3>; 146 }; 147 fet4 { 148 regulator-name = "sdcard"; 149 ti,overcurrent-wait = <3>; 150 }; 151 fet5 { 152 regulator-name = "camout"; 153 regulator-always-on; 154 ti,overcurrent-wait = <3>; 155 }; 156 fet6: fet6 { 157 regulator-name = "lcd_vdd"; 158 ti,overcurrent-wait = <3>; 159 }; 160 tps65090_fet7: fet7 { 161 regulator-name = "video_mid_1a"; 162 regulator-always-on; 163 ti,overcurrent-wait = <3>; 164 }; 165 ldo1 { 166 }; 167 ldo2 { 168 }; 169 }; 170 171 charger { 172 compatible = "ti,tps65090-charger"; 173 }; 174 }; 175 }; 176 }; 177 178 sound { 179 samsung,i2s-controller = <&i2s0>; 180 }; 181 182 usb3_vbus_reg: regulator-usb3 { 183 compatible = "regulator-fixed"; 184 regulator-name = "P5.0V_USB3CON"; 185 regulator-min-microvolt = <5000000>; 186 regulator-max-microvolt = <5000000>; 187 gpio = <&gpx2 7 GPIO_ACTIVE_HIGH>; 188 pinctrl-names = "default"; 189 pinctrl-0 = <&usb3_vbus_en>; 190 enable-active-high; 191 }; 192 193 fixed-rate-clocks { 194 xxti { 195 compatible = "samsung,clock-xxti"; 196 clock-frequency = <24000000>; 197 }; 198 }; 199 200 backlight: backlight { 201 compatible = "pwm-backlight"; 202 pwms = <&pwm 0 1000000 0>; 203 brightness-levels = <0 100 500 1000 1500 2000 2500 2800>; 204 default-brightness-level = <7>; 205 enable-gpios = <&gpx3 0 GPIO_ACTIVE_HIGH>; 206 power-supply = <&fet1>; 207 pinctrl-0 = <&pwm0_out>; 208 pinctrl-names = "default"; 209 }; 210 211 panel: panel { 212 compatible = "auo,b116xw03"; 213 power-supply = <&fet6>; 214 backlight = <&backlight>; 215 216 port { 217 panel_in: endpoint { 218 remote-endpoint = <&bridge_out>; 219 }; 220 }; 221 }; 222 223 mmc3_pwrseq: mmc3-pwrseq { 224 compatible = "mmc-pwrseq-simple"; 225 reset-gpios = <&gpx0 2 GPIO_ACTIVE_LOW>, /* WIFI_RSTn */ 226 <&gpx0 1 GPIO_ACTIVE_LOW>; /* WIFI_EN */ 227 clocks = <&max77686 MAX77686_CLK_PMIC>; 228 clock-names = "ext_clock"; 229 }; 230}; 231 232&clock { 233 assigned-clocks = <&clock CLK_FOUT_EPLL>; 234 assigned-clock-rates = <49152000>; 235}; 236 237&clock_audss { 238 assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>; 239 assigned-clock-parents = <&clock CLK_FOUT_EPLL>; 240}; 241 242&cpu0 { 243 cpu0-supply = <&buck2_reg>; 244}; 245 246&dp { 247 status = "okay"; 248 pinctrl-names = "default"; 249 pinctrl-0 = <&dp_hpd>; 250 samsung,color-space = <0>; 251 samsung,color-depth = <1>; 252 samsung,link-rate = <0x0a>; 253 samsung,lane-count = <2>; 254 hpd-gpios = <&gpx0 7 GPIO_ACTIVE_HIGH>; 255 256 ports { 257 port { 258 dp_out: endpoint { 259 remote-endpoint = <&bridge_in>; 260 }; 261 }; 262 }; 263}; 264 265&ehci { 266 samsung,vbus-gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>; 267}; 268 269&fimd { 270 status = "okay"; 271 samsung,invert-vclk; 272}; 273 274&hdmi { 275 status = "okay"; 276 hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; 277 pinctrl-names = "default"; 278 pinctrl-0 = <&hdmi_hpd_irq>; 279 ddc = <&i2c_2>; 280 hdmi-en-supply = <&tps65090_fet7>; 281 vdd-supply = <&ldo8_reg>; 282 vdd_osc-supply = <&ldo10_reg>; 283 vdd_pll-supply = <&ldo8_reg>; 284}; 285 286&hdmicec { 287 status = "okay"; 288}; 289 290&i2c_0 { 291 status = "okay"; 292 samsung,i2c-sda-delay = <100>; 293 samsung,i2c-max-bus-freq = <378000>; 294 295 max77686: pmic@9 { 296 compatible = "maxim,max77686"; 297 interrupt-parent = <&gpx3>; 298 interrupts = <2 IRQ_TYPE_LEVEL_LOW>; 299 pinctrl-names = "default"; 300 pinctrl-0 = <&max77686_irq>; 301 wakeup-source; 302 reg = <0x09>; 303 #clock-cells = <1>; 304 305 voltage-regulators { 306 ldo1_reg: LDO1 { 307 regulator-name = "P1.0V_LDO_OUT1"; 308 regulator-min-microvolt = <1000000>; 309 regulator-max-microvolt = <1000000>; 310 regulator-always-on; 311 }; 312 313 ldo2_reg: LDO2 { 314 regulator-name = "P1.8V_LDO_OUT2"; 315 regulator-min-microvolt = <1800000>; 316 regulator-max-microvolt = <1800000>; 317 regulator-always-on; 318 }; 319 320 ldo3_reg: LDO3 { 321 regulator-name = "P1.8V_LDO_OUT3"; 322 regulator-min-microvolt = <1800000>; 323 regulator-max-microvolt = <1800000>; 324 regulator-always-on; 325 }; 326 327 ldo7_reg: LDO7 { 328 regulator-name = "P1.1V_LDO_OUT7"; 329 regulator-min-microvolt = <1100000>; 330 regulator-max-microvolt = <1100000>; 331 regulator-always-on; 332 }; 333 334 ldo8_reg: LDO8 { 335 regulator-name = "P1.0V_LDO_OUT8"; 336 regulator-min-microvolt = <1000000>; 337 regulator-max-microvolt = <1000000>; 338 regulator-always-on; 339 }; 340 341 ldo10_reg: LDO10 { 342 regulator-name = "P1.8V_LDO_OUT10"; 343 regulator-min-microvolt = <1800000>; 344 regulator-max-microvolt = <1800000>; 345 regulator-always-on; 346 }; 347 348 ldo12_reg: LDO12 { 349 regulator-name = "P3.0V_LDO_OUT12"; 350 regulator-min-microvolt = <3000000>; 351 regulator-max-microvolt = <3000000>; 352 regulator-always-on; 353 }; 354 355 ldo14_reg: LDO14 { 356 regulator-name = "P1.8V_LDO_OUT14"; 357 regulator-min-microvolt = <1800000>; 358 regulator-max-microvolt = <1800000>; 359 regulator-always-on; 360 }; 361 362 ldo15_reg: LDO15 { 363 regulator-name = "P1.0V_LDO_OUT15"; 364 regulator-min-microvolt = <1000000>; 365 regulator-max-microvolt = <1000000>; 366 regulator-always-on; 367 }; 368 369 ldo16_reg: LDO16 { 370 regulator-name = "P1.8V_LDO_OUT16"; 371 regulator-min-microvolt = <1800000>; 372 regulator-max-microvolt = <1800000>; 373 regulator-always-on; 374 }; 375 376 buck1_reg: BUCK1 { 377 regulator-name = "vdd_mif"; 378 regulator-min-microvolt = <950000>; 379 regulator-max-microvolt = <1300000>; 380 regulator-always-on; 381 regulator-boot-on; 382 }; 383 384 buck2_reg: BUCK2 { 385 regulator-name = "vdd_arm"; 386 regulator-min-microvolt = <850000>; 387 regulator-max-microvolt = <1350000>; 388 regulator-always-on; 389 regulator-boot-on; 390 }; 391 392 buck3_reg: BUCK3 { 393 regulator-name = "vdd_int"; 394 regulator-min-microvolt = <900000>; 395 regulator-max-microvolt = <1200000>; 396 regulator-always-on; 397 regulator-boot-on; 398 }; 399 400 buck4_reg: BUCK4 { 401 regulator-name = "vdd_g3d"; 402 regulator-min-microvolt = <850000>; 403 regulator-max-microvolt = <1300000>; 404 regulator-always-on; 405 regulator-boot-on; 406 }; 407 408 buck5_reg: BUCK5 { 409 regulator-name = "P1.8V_BUCK_OUT5"; 410 regulator-min-microvolt = <1800000>; 411 regulator-max-microvolt = <1800000>; 412 regulator-always-on; 413 regulator-boot-on; 414 }; 415 416 buck6_reg: BUCK6 { 417 regulator-name = "P1.35V_BUCK_OUT6"; 418 regulator-min-microvolt = <1350000>; 419 regulator-max-microvolt = <1350000>; 420 regulator-always-on; 421 }; 422 423 buck7_reg: BUCK7 { 424 regulator-name = "P2.0V_BUCK_OUT7"; 425 regulator-min-microvolt = <2000000>; 426 regulator-max-microvolt = <2000000>; 427 regulator-always-on; 428 }; 429 430 buck8_reg: BUCK8 { 431 regulator-name = "P2.85V_BUCK_OUT8"; 432 regulator-min-microvolt = <2850000>; 433 regulator-max-microvolt = <2850000>; 434 regulator-always-on; 435 }; 436 }; 437 }; 438}; 439 440&i2c_1 { 441 status = "okay"; 442 samsung,i2c-sda-delay = <100>; 443 samsung,i2c-max-bus-freq = <378000>; 444 445 trackpad@67 { 446 reg = <0x67>; 447 compatible = "cypress,cyapa"; 448 interrupts = <2 IRQ_TYPE_NONE>; 449 interrupt-parent = <&gpx1>; 450 wakeup-source; 451 }; 452}; 453 454/* 455 * Disabled pullups since external part has its own pullups and 456 * double-pulling gets us out of spec in some cases. 457 */ 458&i2c2_bus { 459 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 460}; 461 462&i2c_2 { 463 status = "okay"; 464 /* used by HDMI DDC */ 465 samsung,i2c-sda-delay = <100>; 466 samsung,i2c-max-bus-freq = <66000>; 467}; 468 469&i2c_3 { 470 status = "okay"; 471 samsung,i2c-sda-delay = <100>; 472 samsung,i2c-max-bus-freq = <66000>; 473}; 474 475&i2c_4 { 476 status = "okay"; 477 samsung,i2c-sda-delay = <100>; 478 samsung,i2c-max-bus-freq = <66000>; 479}; 480 481&i2c_5 { 482 status = "okay"; 483 samsung,i2c-sda-delay = <100>; 484 samsung,i2c-max-bus-freq = <66000>; 485}; 486 487&i2c_7 { 488 status = "okay"; 489 samsung,i2c-sda-delay = <100>; 490 samsung,i2c-max-bus-freq = <66000>; 491 492 ptn3460: lvds-bridge@20 { 493 compatible = "nxp,ptn3460"; 494 reg = <0x20>; 495 powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>; 496 reset-gpios = <&gpx1 5 GPIO_ACTIVE_HIGH>; 497 edid-emulation = <5>; 498 499 ports { 500 #address-cells = <1>; 501 #size-cells = <0>; 502 503 port@0 { 504 reg = <0>; 505 506 bridge_out: endpoint { 507 remote-endpoint = <&panel_in>; 508 }; 509 }; 510 511 port@1 { 512 reg = <1>; 513 514 bridge_in: endpoint { 515 remote-endpoint = <&dp_out>; 516 }; 517 }; 518 }; 519 }; 520}; 521 522&i2c_8 { 523 status = "okay"; 524 /* used by HDMI PHY */ 525 samsung,i2c-sda-delay = <100>; 526 samsung,i2c-max-bus-freq = <378000>; 527}; 528 529&i2s0 { 530 assigned-clocks = <&i2s0 CLK_I2S_RCLK_SRC>; 531 assigned-clock-parents = <&clock_audss EXYNOS_I2S_BUS>; 532 status = "okay"; 533}; 534 535&mali { 536 mali-supply = <&buck4_reg>; 537 status = "okay"; 538}; 539 540&mixer { 541 status = "okay"; 542}; 543 544/* eMMC flash */ 545&mmc_0 { 546 status = "okay"; 547 non-removable; 548 samsung,dw-mshc-ciu-div = <3>; 549 samsung,dw-mshc-sdr-timing = <2 3>; 550 samsung,dw-mshc-ddr-timing = <1 2>; 551 pinctrl-names = "default"; 552 pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4 &sd0_bus8>; 553 bus-width = <8>; 554 cap-mmc-highspeed; 555 mmc-ddr-1_8v; 556}; 557 558/* uSD card */ 559&mmc_2 { 560 status = "okay"; 561 card-detect-delay = <200>; 562 samsung,dw-mshc-ciu-div = <3>; 563 samsung,dw-mshc-sdr-timing = <2 3>; 564 samsung,dw-mshc-ddr-timing = <1 2>; 565 pinctrl-names = "default"; 566 pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus4>; 567 bus-width = <4>; 568 wp-gpios = <&gpc2 1 GPIO_ACTIVE_HIGH>; 569 cap-sd-highspeed; 570}; 571 572/* 573 * On Snow we've got SIP WiFi and so can keep drive strengths low to 574 * reduce EMI. 575 * 576 * WiFi SDIO module 577 */ 578&mmc_3 { 579 status = "okay"; 580 non-removable; 581 cap-sdio-irq; 582 keep-power-in-suspend; 583 samsung,dw-mshc-ciu-div = <3>; 584 samsung,dw-mshc-sdr-timing = <2 3>; 585 samsung,dw-mshc-ddr-timing = <1 2>; 586 pinctrl-names = "default"; 587 pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &wifi_en &wifi_rst>; 588 bus-width = <4>; 589 cap-sd-highspeed; 590 mmc-pwrseq = <&mmc3_pwrseq>; 591}; 592 593&pinctrl_0 { 594 wifi_en: wifi-en-pins { 595 samsung,pins = "gpx0-1"; 596 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; 597 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 598 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 599 }; 600 601 wifi_rst: wifi-rst-pins { 602 samsung,pins = "gpx0-2"; 603 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; 604 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 605 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 606 }; 607 608 power_key_irq: power-key-irq-pins { 609 samsung,pins = "gpx1-3"; 610 samsung,pin-function = <EXYNOS_PIN_FUNC_F>; 611 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 612 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 613 }; 614 615 ec_irq: ec-irq-pins { 616 samsung,pins = "gpx1-6"; 617 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; 618 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 619 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 620 }; 621 622 tps65090_irq: tps65090-irq-pins { 623 samsung,pins = "gpx2-6"; 624 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; 625 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 626 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 627 }; 628 629 usb3_vbus_en: usb3-vbus-en-pins { 630 samsung,pins = "gpx2-7"; 631 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; 632 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 633 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 634 }; 635 636 max77686_irq: max77686-irq-pins { 637 samsung,pins = "gpx3-2"; 638 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; 639 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 640 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 641 }; 642 643 lid_irq: lid-irq-pins { 644 samsung,pins = "gpx3-5"; 645 samsung,pin-function = <EXYNOS_PIN_FUNC_F>; 646 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 647 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 648 }; 649 650 hdmi_hpd_irq: hdmi-hpd-irq-pins { 651 samsung,pins = "gpx3-7"; 652 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; 653 samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; 654 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 655 }; 656}; 657 658&pinctrl_1 { 659 arb_their_claim: arb-their-claim-pins { 660 samsung,pins = "gpe0-4"; 661 samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; 662 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; 663 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 664 }; 665 666 arb_our_claim: arb-our-claim-pins { 667 samsung,pins = "gpf0-3"; 668 samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; 669 samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; 670 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 671 }; 672}; 673 674&pmu_system_controller { 675 assigned-clocks = <&pmu_system_controller 0>; 676 assigned-clock-parents = <&clock CLK_FIN_PLL>; 677}; 678 679&rtc { 680 status = "okay"; 681 clocks = <&clock CLK_RTC>, <&max77686 MAX77686_CLK_AP>; 682 clock-names = "rtc", "rtc_src"; 683}; 684 685&sd3_bus4 { 686 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 687}; 688 689&sd3_clk { 690 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 691}; 692 693&sd3_cmd { 694 samsung,pin-pud = <EXYNOS_PIN_PULL_UP>; 695 samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>; 696}; 697 698&spi_1 { 699 status = "okay"; 700 samsung,spi-src-clk = <0>; 701 num-cs = <1>; 702 cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>; 703}; 704 705&usbdrd { 706 vdd10-supply = <&ldo15_reg>; 707 vdd33-supply = <&ldo12_reg>; 708}; 709 710&usbdrd_dwc3 { 711 dr_mode = "host"; 712}; 713 714&usbdrd_phy { 715 vbus-supply = <&usb3_vbus_reg>; 716}; 717 718#include "../cros-ec-keyboard.dtsi" 719