1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Google Gru-scarlet board device tree source 4 * 5 * Copyright 2018 Google, Inc 6 */ 7 8#include "rk3399-gru.dtsi" 9 10/{ 11 /* Power tree */ 12 13 /* ppvar_sys children, sorted by name */ 14 pp1250_s3: pp1250-s3 { 15 compatible = "regulator-fixed"; 16 regulator-name = "pp1250_s3"; 17 18 /* EC turns on w/ pp1250_s3_en; always on for AP */ 19 regulator-always-on; 20 regulator-boot-on; 21 regulator-min-microvolt = <1250000>; 22 regulator-max-microvolt = <1250000>; 23 24 vin-supply = <&ppvar_sys>; 25 }; 26 27 pp1250_cam: pp1250-dvdd { 28 compatible = "regulator-fixed"; 29 regulator-name = "pp1250_dvdd"; 30 pinctrl-names = "default"; 31 pinctrl-0 = <&pp1250_cam_en>; 32 33 enable-active-high; 34 gpio = <&gpio2 4 GPIO_ACTIVE_HIGH>; 35 36 /* 740us delay from gpio output high to pp1250 stable, 37 * rounding up to 1ms for safety. 38 */ 39 startup-delay-us = <1000>; 40 vin-supply = <&pp1250_s3>; 41 }; 42 43 pp900_s0: pp900-s0 { 44 compatible = "regulator-fixed"; 45 regulator-name = "pp900_s0"; 46 47 /* EC turns on w/ pp900_s0_en; always on for AP */ 48 regulator-always-on; 49 regulator-boot-on; 50 regulator-min-microvolt = <900000>; 51 regulator-max-microvolt = <900000>; 52 53 vin-supply = <&ppvar_sys>; 54 }; 55 56 ppvarn_lcd: ppvarn-lcd { 57 compatible = "regulator-fixed"; 58 regulator-name = "ppvarn_lcd"; 59 pinctrl-names = "default"; 60 pinctrl-0 = <&ppvarn_lcd_en>; 61 62 enable-active-high; 63 gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>; 64 vin-supply = <&ppvar_sys>; 65 }; 66 67 ppvarp_lcd: ppvarp-lcd { 68 compatible = "regulator-fixed"; 69 regulator-name = "ppvarp_lcd"; 70 pinctrl-names = "default"; 71 pinctrl-0 = <&ppvarp_lcd_en>; 72 73 enable-active-high; 74 gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>; 75 vin-supply = <&ppvar_sys>; 76 }; 77 78 /* pp1800 children, sorted by name */ 79 pp900_s3: pp900-s3 { 80 compatible = "regulator-fixed"; 81 regulator-name = "pp900_s3"; 82 83 /* EC turns on w/ pp900_s3_en; always on for AP */ 84 regulator-always-on; 85 regulator-boot-on; 86 regulator-min-microvolt = <900000>; 87 regulator-max-microvolt = <900000>; 88 89 vin-supply = <&pp1800>; 90 }; 91 92 /* EC turns on pp1800_s3_en */ 93 pp1800_s3: pp1800 { 94 }; 95 96 /* pp3300 children, sorted by name */ 97 pp2800_cam: pp2800-avdd { 98 compatible = "regulator-fixed"; 99 regulator-name = "pp2800_avdd"; 100 pinctrl-names = "default"; 101 pinctrl-0 = <&pp2800_cam_en>; 102 103 enable-active-high; 104 gpio = <&gpio2 24 GPIO_ACTIVE_HIGH>; 105 startup-delay-us = <100>; 106 vin-supply = <&pp3300>; 107 }; 108 109 /* EC turns on pp3300_s0_en */ 110 pp3300_s0: pp3300 { 111 }; 112 113 /* EC turns on pp3300_s3_en */ 114 pp3300_s3: pp3300 { 115 }; 116 117 /* 118 * See b/66922012 119 * 120 * This is a hack to make sure the Bluetooth part of the QCA6174A 121 * is reset at boot by toggling BT_EN. At boot BT_EN is first set 122 * to low when the bt_3v3 regulator is registered (in disabled 123 * state). The fake regulator is configured as a supply of the 124 * wlan_3v3 regulator below. When wlan_3v3 is enabled early in 125 * the boot process it also enables its supply regulator bt_3v3, 126 * which changes BT_EN to high. 127 */ 128 bt_3v3: bt-3v3 { 129 compatible = "regulator-fixed"; 130 regulator-name = "bt_3v3"; 131 pinctrl-names = "default"; 132 pinctrl-0 = <&bt_en_1v8_l>; 133 134 enable-active-high; 135 gpio = <&gpio0 8 GPIO_ACTIVE_HIGH>; 136 vin-supply = <&pp3300_s3>; 137 }; 138 139 wlan_3v3: wlan-3v3 { 140 compatible = "regulator-fixed"; 141 regulator-name = "wlan_3v3"; 142 pinctrl-names = "default"; 143 pinctrl-0 = <&wlan_pd_1v8_l>; 144 145 /* 146 * The WL_EN pin is driven low when the regulator is 147 * registered, and transitions to high when the PCIe bus 148 * is powered up. 149 */ 150 enable-active-high; 151 gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>; 152 153 /* 154 * Require minimum 10ms from power-on (e.g., PD#) to init PCIe. 155 * TODO (b/64444991): how long to assert PD#? 156 */ 157 regulator-enable-ramp-delay = <10000>; 158 /* See bt_3v3 hack above */ 159 vin-supply = <&bt_3v3>; 160 }; 161 162 backlight: backlight { 163 compatible = "pwm-backlight"; 164 enable-gpios = <&gpio4 21 GPIO_ACTIVE_HIGH>; 165 pinctrl-names = "default"; 166 pinctrl-0 = <&bl_en>; 167 pwms = <&pwm1 0 1000000 0>; 168 pwm-delay-us = <10000>; 169 }; 170 171 dmic: dmic { 172 compatible = "dmic-codec"; 173 dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; 174 pinctrl-names = "default"; 175 pinctrl-0 = <&dmic_en>; 176 wakeup-delay-ms = <250>; 177 }; 178 179 gpio_keys: gpio-keys { 180 compatible = "gpio-keys"; 181 pinctrl-names = "default"; 182 pinctrl-0 = <&pen_eject_odl>; 183 184 pen-insert { 185 label = "Pen Insert"; 186 /* Insert = low, eject = high */ 187 gpios = <&gpio1 1 GPIO_ACTIVE_LOW>; 188 linux,code = <SW_PEN_INSERTED>; 189 linux,input-type = <EV_SW>; 190 wakeup-source; 191 }; 192 }; 193}; 194 195/* pp900_s0 aliases */ 196pp900_ddrpll_ap: &pp900_s0 { 197}; 198pp900_pcie: &pp900_s0 { 199}; 200pp900_usb: &pp900_s0 { 201}; 202 203/* pp900_s3 aliases */ 204pp900_emmcpll: &pp900_s3 { 205}; 206 207/* EC turns on; alias for pp1800_s0 */ 208pp1800_pcie: &pp1800_s0 { 209}; 210 211/* On scarlet PPVAR(big_cpu, lit_cpu, gpu) need to adjust voltage ranges */ 212&ppvar_bigcpu { 213 ctrl-voltage-range = <800074 1299226>; 214 regulator-min-microvolt = <800074>; 215 regulator-max-microvolt = <1299226>; 216}; 217 218&ppvar_bigcpu_pwm { 219 /* On scarlet ppvar big cpu use pwm3 */ 220 pwms = <&pwm3 0 3337 0>; 221 regulator-min-microvolt = <800074>; 222 regulator-max-microvolt = <1299226>; 223}; 224 225&ppvar_litcpu { 226 ctrl-voltage-range = <802122 1199620>; 227 regulator-min-microvolt = <802122>; 228 regulator-max-microvolt = <1199620>; 229}; 230 231&ppvar_litcpu_pwm { 232 regulator-min-microvolt = <802122>; 233 regulator-max-microvolt = <1199620>; 234}; 235 236&ppvar_gpu { 237 ctrl-voltage-range = <799600 1099600>; 238 regulator-min-microvolt = <799600>; 239 regulator-max-microvolt = <1099600>; 240}; 241 242&ppvar_gpu_pwm { 243 regulator-min-microvolt = <799600>; 244 regulator-max-microvolt = <1099600>; 245}; 246 247&ppvar_sd_card_io { 248 states = <1800000 0x0>, <3300000 0x1>; 249 regulator-max-microvolt = <3300000>; 250}; 251 252&pp3000_sd_slot { 253 vin-supply = <&pp3300>; 254}; 255 256ap_i2c_dig: &i2c2 { 257 status = "okay"; 258 259 clock-frequency = <400000>; 260 261 /* These are relatively safe rise/fall times. */ 262 i2c-scl-falling-time-ns = <50>; 263 i2c-scl-rising-time-ns = <300>; 264 265 digitizer: digitizer@9 { 266 compatible = "hid-over-i2c"; 267 reg = <0x9>; 268 interrupt-parent = <&gpio1>; 269 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 270 hid-descr-addr = <0x1>; 271 pinctrl-names = "default"; 272 pinctrl-0 = <&pen_int_odl &pen_reset_l>; 273 }; 274}; 275 276&ap_i2c_ts { 277 touchscreen: touchscreen@10 { 278 compatible = "elan,ekth3500"; 279 reg = <0x10>; 280 interrupt-parent = <&gpio1>; 281 interrupts = <4 IRQ_TYPE_LEVEL_LOW>; 282 pinctrl-names = "default"; 283 pinctrl-0 = <&touch_int_l &touch_reset_l>; 284 reset-gpios = <&gpio0 10 GPIO_ACTIVE_LOW>; 285 }; 286}; 287 288camera: &i2c7 { 289 status = "okay"; 290 291 clock-frequency = <400000>; 292 293 /* These are relatively safe rise/fall times; TODO: measure */ 294 i2c-scl-falling-time-ns = <50>; 295 i2c-scl-rising-time-ns = <300>; 296 297 /* 24M mclk is shared between world and user cameras */ 298 pinctrl-0 = <&i2c7_xfer &test_clkout1>; 299 300 /* Rear-facing camera */ 301 wcam: camera@36 { 302 compatible = "ovti,ov5695"; 303 reg = <0x36>; 304 pinctrl-names = "default"; 305 pinctrl-0 = <&wcam_rst>; 306 307 clocks = <&cru SCLK_TESTCLKOUT1>; 308 clock-names = "xvclk"; 309 310 avdd-supply = <&pp2800_cam>; 311 dvdd-supply = <&pp1250_cam>; 312 dovdd-supply = <&pp1800_s0>; 313 reset-gpios = <&gpio2 5 GPIO_ACTIVE_LOW>; 314 315 port { 316 wcam_out: endpoint { 317 remote-endpoint = <&mipi_in_wcam>; 318 data-lanes = <1 2>; 319 }; 320 }; 321 }; 322 323 /* Front-facing camera */ 324 ucam: camera@3c { 325 compatible = "ovti,ov2685"; 326 reg = <0x3c>; 327 pinctrl-names = "default"; 328 pinctrl-0 = <&ucam_rst>; 329 330 clocks = <&cru SCLK_TESTCLKOUT1>; 331 clock-names = "xvclk"; 332 333 avdd-supply = <&pp2800_cam>; 334 dovdd-supply = <&pp1800_s0>; 335 dvdd-supply = <&pp1800_s0>; 336 reset-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>; 337 338 port { 339 ucam_out: endpoint { 340 remote-endpoint = <&mipi_in_ucam>; 341 data-lanes = <1>; 342 }; 343 }; 344 }; 345}; 346 347&cdn_dp { 348 extcon = <&usbc_extcon0>; 349 phys = <&tcphy0_dp>; 350}; 351 352&cpu_alert0 { 353 temperature = <66000>; 354}; 355 356&cpu_alert1 { 357 temperature = <71000>; 358}; 359 360&cros_ec { 361 interrupt-parent = <&gpio1>; 362 interrupts = <18 IRQ_TYPE_LEVEL_LOW>; 363}; 364 365&cru { 366 assigned-clocks = 367 <&cru PLL_GPLL>, <&cru PLL_CPLL>, 368 <&cru PLL_NPLL>, 369 <&cru ACLK_PERIHP>, <&cru HCLK_PERIHP>, 370 <&cru PCLK_PERIHP>, 371 <&cru ACLK_PERILP0>, <&cru HCLK_PERILP0>, 372 <&cru PCLK_PERILP0>, <&cru ACLK_CCI>, 373 <&cru HCLK_PERILP1>, <&cru PCLK_PERILP1>, 374 <&cru ACLK_VIO>, 375 <&cru ACLK_GIC_PRE>, 376 <&cru PCLK_DDR>, 377 <&cru ACLK_HDCP>; 378 assigned-clock-rates = 379 <600000000>, <1600000000>, 380 <1000000000>, 381 <150000000>, <75000000>, 382 <37500000>, 383 <100000000>, <100000000>, 384 <50000000>, <800000000>, 385 <100000000>, <50000000>, 386 <400000000>, 387 <200000000>, 388 <200000000>, 389 <400000000>; 390}; 391 392&i2c_tunnel { 393 google,remote-bus = <0>; 394}; 395 396&io_domains { 397 bt656-supply = <&pp1800_s0>; /* APIO2_VDD; 2a 2b */ 398 audio-supply = <&pp1800_s0>; /* APIO5_VDD; 3d 4a */ 399 gpio1830-supply = <&pp1800_s0>; /* APIO4_VDD; 4c 4d */ 400}; 401 402&isp0 { 403 status = "okay"; 404 405 ports { 406 port@0 { 407 mipi_in_wcam: endpoint@0 { 408 reg = <0>; 409 remote-endpoint = <&wcam_out>; 410 data-lanes = <1 2>; 411 }; 412 413 mipi_in_ucam: endpoint@1 { 414 reg = <1>; 415 remote-endpoint = <&ucam_out>; 416 data-lanes = <1>; 417 }; 418 }; 419 }; 420}; 421 422&isp0_mmu { 423 status = "okay"; 424}; 425 426&max98357a { 427 sdmode-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>; 428}; 429 430&mipi_dphy_rx0 { 431 status = "okay"; 432}; 433 434&mipi_dsi { 435 status = "okay"; 436 clock-master; 437 438 ports { 439 mipi_out: port@1 { 440 reg = <1>; 441 442 mipi_out_panel: endpoint { 443 remote-endpoint = <&mipi_in_panel>; 444 }; 445 }; 446 }; 447 448 mipi_panel: panel@0 { 449 /* 2 different panels are used, compatibles are in dts files */ 450 reg = <0>; 451 backlight = <&backlight>; 452 enable-gpios = <&gpio4 25 GPIO_ACTIVE_HIGH>; 453 pinctrl-names = "default"; 454 pinctrl-0 = <&display_rst_l>; 455 456 ports { 457 #address-cells = <1>; 458 #size-cells = <0>; 459 460 port@0 { 461 reg = <0>; 462 463 mipi_in_panel: endpoint { 464 remote-endpoint = <&mipi_out_panel>; 465 }; 466 }; 467 468 port@1 { 469 reg = <1>; 470 471 mipi1_in_panel: endpoint@1 { 472 remote-endpoint = <&mipi1_out_panel>; 473 }; 474 }; 475 }; 476 }; 477}; 478 479&mipi_dsi1 { 480 status = "okay"; 481 482 ports { 483 mipi1_out: port@1 { 484 reg = <1>; 485 486 mipi1_out_panel: endpoint { 487 remote-endpoint = <&mipi1_in_panel>; 488 }; 489 }; 490 }; 491}; 492 493&pcie0 { 494 ep-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; 495 496 /* PERST# asserted in S3 */ 497 pcie-reset-suspend = <1>; 498 499 vpcie3v3-supply = <&wlan_3v3>; 500 vpcie1v8-supply = <&pp1800_pcie>; 501}; 502 503&sdmmc { 504 cd-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>; 505}; 506 507&sound { 508 rockchip,codec = <&max98357a &dmic &codec &cdn_dp>; 509}; 510 511&spi2 { 512 status = "okay"; 513 514 cr50@0 { 515 compatible = "google,cr50"; 516 reg = <0>; 517 interrupt-parent = <&gpio1>; 518 interrupts = <17 IRQ_TYPE_EDGE_RISING>; 519 pinctrl-names = "default"; 520 pinctrl-0 = <&h1_int_od_l>; 521 spi-max-frequency = <800000>; 522 }; 523}; 524 525&usb_host0_ohci { 526 #address-cells = <1>; 527 #size-cells = <0>; 528 529 qca_bt: bluetooth@1 { 530 compatible = "usbcf3,e300", "usb4ca,301a"; 531 reg = <1>; 532 pinctrl-names = "default"; 533 pinctrl-0 = <&bt_host_wake_l>; 534 interrupt-parent = <&gpio1>; 535 interrupts = <2 IRQ_TYPE_LEVEL_HIGH>; 536 interrupt-names = "wakeup"; 537 }; 538}; 539 540/* PINCTRL OVERRIDES */ 541&ec_ap_int_l { 542 rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>; 543}; 544 545&ap_fw_wp { 546 rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>; 547}; 548 549&bl_en { 550 rockchip,pins = <4 RK_PC5 RK_FUNC_GPIO &pcfg_pull_none>; 551}; 552 553&bt_host_wake_l { 554 rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>; 555}; 556 557&ec_ap_int_l { 558 rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_up>; 559}; 560 561&headset_int_l { 562 rockchip,pins = <1 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>; 563}; 564 565&i2s0_8ch_bus { 566 rockchip,pins = 567 <3 RK_PD0 1 &pcfg_pull_none_6ma>, 568 <3 RK_PD1 1 &pcfg_pull_none_6ma>, 569 <3 RK_PD2 1 &pcfg_pull_none_6ma>, 570 <3 RK_PD3 1 &pcfg_pull_none_6ma>, 571 <3 RK_PD7 1 &pcfg_pull_none_6ma>, 572 <4 RK_PA0 1 &pcfg_pull_none_6ma>; 573}; 574 575/* there is no external pull up, so need to set this pin pull up */ 576&sdmmc_cd_pin { 577 rockchip,pins = <1 RK_PB3 RK_FUNC_GPIO &pcfg_pull_up>; 578}; 579 580&sd_pwr_1800_sel { 581 rockchip,pins = <2 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>; 582}; 583 584&sdmode_en { 585 rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO &pcfg_pull_down>; 586}; 587 588&touch_reset_l { 589 rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_down>; 590}; 591 592&touch_int_l { 593 rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_down>; 594}; 595 596&pinctrl { 597 pinctrl-0 = < 598 &ap_pwroff /* AP will auto-assert this when in S3 */ 599 &clk_32k /* This pin is always 32k on gru boards */ 600 &wlan_rf_kill_1v8_l 601 >; 602 603 pcfg_pull_none_6ma: pcfg-pull-none-6ma { 604 bias-disable; 605 drive-strength = <6>; 606 }; 607 608 camera { 609 pp1250_cam_en: pp1250-dvdd { 610 rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; 611 }; 612 613 pp2800_cam_en: pp2800-avdd { 614 rockchip,pins = <2 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>; 615 }; 616 617 ucam_rst: ucam_rst { 618 rockchip,pins = <2 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; 619 }; 620 621 wcam_rst: wcam_rst { 622 rockchip,pins = <2 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>; 623 }; 624 }; 625 626 digitizer { 627 pen_int_odl: pen-int-odl { 628 rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>; 629 }; 630 631 pen_reset_l: pen-reset-l { 632 rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>; 633 }; 634 }; 635 636 discrete-regulators { 637 display_rst_l: display-rst-l { 638 rockchip,pins = <4 RK_PD1 RK_FUNC_GPIO &pcfg_pull_down>; 639 }; 640 641 ppvarp_lcd_en: ppvarp-lcd-en { 642 rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>; 643 }; 644 645 ppvarn_lcd_en: ppvarn-lcd-en { 646 rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>; 647 }; 648 }; 649 650 dmic { 651 dmic_en: dmic-en { 652 rockchip,pins = <4 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; 653 }; 654 }; 655 656 pen { 657 pen_eject_odl: pen-eject-odl { 658 rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>; 659 }; 660 }; 661 662 tpm { 663 h1_int_od_l: h1-int-od-l { 664 rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_up>; 665 }; 666 }; 667}; 668 669&wifi { 670 bt_en_1v8_l: bt-en-1v8-l { 671 rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>; 672 }; 673 674 wlan_pd_1v8_l: wlan-pd-1v8-l { 675 rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; 676 }; 677 678 /* Default pull-up, but just to be clear */ 679 wlan_rf_kill_1v8_l: wlan-rf-kill-1v8-l { 680 rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>; 681 }; 682 683 wifi_perst_l: wifi-perst-l { 684 rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; 685 }; 686 687 wlan_host_wake_l: wlan-host-wake-l { 688 rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>; 689 }; 690}; 691