arch/arm/boot/dts/rk3288-veyron.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Google Veyron (and derivatives) board device tree source
   4  *
   5  * Copyright 2015 Google, Inc
   6  */
   7
   8 #include <dt-bindings/clock/rockchip,rk808.h>
   9 #include <dt-bindings/input/input.h>
  10 #include "rk3288.dtsi"
  11
  12 / {
  13         chosen {
  14                 stdout-path = "serial2:115200n8";
  15         };
  16
  17         /*
  18          * The default coreboot on veyron devices ignores memory@0 nodes
  19          * and would instead create another memory node.
  20          */
  21         memory {
  22                 device_type = "memory";
  23                 reg = <0x0 0x0 0x0 0x80000000>;
  24         };
  25
  26         bt_activity: bt-activity {
  27                 compatible = "gpio-keys";
  28                 pinctrl-names = "default";
  29                 pinctrl-0 = <&bt_host_wake>;
  30
  31                 /*
  32                  * HACK: until we have an LPM driver, we'll use an
  33                  * ugly GPIO key to allow Bluetooth to wake from S3.
  34                  * This is expected to only be used by BT modules that
  35                  * use UART for comms.  For BT modules that talk over
  36                  * SDIO we should use a wakeup mechanism related to SDIO.
  37                  *
  38                  * Use KEY_RESERVED here since that will work as a wakeup but
  39                  * doesn't get reported to higher levels (so doesn't confuse
  40                  * Chrome).
  41                  */
  42                 bt-wake {
  43                         label = "BT Wakeup";
  44                         gpios = <&gpio4 RK_PD7 GPIO_ACTIVE_HIGH>;
  45                         linux,code = <KEY_RESERVED>;
  46                         wakeup-source;
  47                 };
  48
  49         };
  50
  51         power_button: power-button {
  52                 compatible = "gpio-keys";
  53                 pinctrl-names = "default";
  54                 pinctrl-0 = <&pwr_key_l>;
  55
  56                 power {
  57                         label = "Power";
  58                         gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
  59                         linux,code = <KEY_POWER>;
  60                         debounce-interval = <100>;
  61                         wakeup-source;
  62                 };
  63         };
  64
  65         gpio-restart {
  66                 compatible = "gpio-restart";
  67                 gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
  68                 pinctrl-names = "default";
  69                 pinctrl-0 = <&ap_warm_reset_h>;
  70                 priority = <200>;
  71         };
  72
  73         emmc_pwrseq: emmc-pwrseq {
  74                 compatible = "mmc-pwrseq-emmc";
  75                 pinctrl-0 = <&emmc_reset>;
  76                 pinctrl-names = "default";
  77                 reset-gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_HIGH>;
  78         };
  79
  80         sdio_pwrseq: sdio-pwrseq {
  81                 compatible = "mmc-pwrseq-simple";
  82                 clocks = <&rk808 RK808_CLKOUT1>;
  83                 clock-names = "ext_clock";
  84                 pinctrl-names = "default";
  85                 pinctrl-0 = <&bt_enable_l>, <&wifi_enable_h>;
  86
  87                 /*
  88                  * Depending on the actual card populated GPIO4 D4 and D5
  89                  * correspond to one of these signals on the module:
  90                  *
  91                  * D4:
  92                  * - SDIO_RESET_L_WL_REG_ON
  93                  * - PDN (power down when low)
  94                  *
  95                  * D5:
  96                  * - BT_I2S_WS_BT_RFDISABLE_L
  97                  * - No connect
  98                  */
  99                 reset-gpios = <&gpio4 RK_PD4 GPIO_ACTIVE_LOW>,
 100                               <&gpio4 RK_PD5 GPIO_ACTIVE_LOW>;
 101         };
 102
 103         vcc_5v: vcc-5v {
 104                 compatible = "regulator-fixed";
 105                 regulator-name = "vcc_5v";
 106                 regulator-always-on;
 107                 regulator-boot-on;
 108                 regulator-min-microvolt = <5000000>;
 109                 regulator-max-microvolt = <5000000>;
 110         };
 111
 112         vcc33_sys: vcc33-sys {
 113                 compatible = "regulator-fixed";
 114                 regulator-name = "vcc33_sys";
 115                 regulator-always-on;
 116                 regulator-boot-on;
 117                 regulator-min-microvolt = <3300000>;
 118                 regulator-max-microvolt = <3300000>;
 119         };
 120
 121         vcc50_hdmi: vcc50-hdmi {
 122                 compatible = "regulator-fixed";
 123                 regulator-name = "vcc50_hdmi";
 124                 regulator-always-on;
 125                 regulator-boot-on;
 126                 vin-supply = <&vcc_5v>;
 127         };
 128
 129         vdd_logic: vdd-logic {
 130                 compatible = "pwm-regulator";
 131                 regulator-name = "vdd_logic";
 132
 133                 pwms = <&pwm1 0 1994 0>;
 134                 pwm-supply = <&vcc33_sys>;
 135
 136                 pwm-dutycycle-range = <0x7b 0>;
 137                 pwm-dutycycle-unit = <0x94>;
 138
 139                 regulator-always-on;
 140                 regulator-boot-on;
 141                 regulator-min-microvolt = <950000>;
 142                 regulator-max-microvolt = <1350000>;
 143                 regulator-ramp-delay = <4000>;
 144         };
 145 };
 146
 147 &cpu0 {
 148         cpu0-supply = <&vdd_cpu>;
 149 };
 150
 151 &cpu_crit {
 152         temperature = <100000>;
 153 };
 154
 155 /* rk3288-c used in Veyron Chrome-devices has slightly changed OPPs */
 156 &cpu_opp_table {
 157         /delete-node/ opp-312000000;
 158
 159         opp-1512000000 {
 160                 opp-microvolt = <1250000>;
 161         };
 162         opp-1608000000 {
 163                 opp-microvolt = <1300000>;
 164         };
 165         opp-1704000000 {
 166                 opp-hz = /bits/ 64 <1704000000>;
 167                 opp-microvolt = <1350000>;
 168         };
 169         opp-1800000000 {
 170                 opp-hz = /bits/ 64 <1800000000>;
 171                 opp-microvolt = <1400000>;
 172         };
 173 };
 174
 175 &emmc {
 176         status = "okay";
 177
 178         bus-width = <8>;
 179         cap-mmc-highspeed;
 180         rockchip,default-sample-phase = <158>;
 181         disable-wp;
 182         mmc-hs200-1_8v;
 183         mmc-pwrseq = <&emmc_pwrseq>;
 184         non-removable;
 185         pinctrl-names = "default";
 186         pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
 187 };
 188
 189 &gpu {
 190         mali-supply = <&vdd_gpu>;
 191         status = "okay";
 192 };
 193
 194 &gpu_alert0 {
 195         temperature = <72500>;
 196 };
 197
 198 &gpu_crit {
 199         temperature = <100000>;
 200 };
 201
 202 &hdmi {
 203         pinctrl-names = "default", "unwedge";
 204         pinctrl-0 = <&hdmi_ddc>;
 205         pinctrl-1 = <&hdmi_ddc_unwedge>;
 206         status = "okay";
 207 };
 208
 209 &i2c0 {
 210         status = "okay";
 211
 212         clock-frequency = <400000>;
 213         i2c-scl-falling-time-ns = <50>;         /* 2.5ns measured */
 214         i2c-scl-rising-time-ns = <100>;         /* 45ns measured */
 215
 216         rk808: pmic@1b {
 217                 compatible = "rockchip,rk808";
 218                 reg = <0x1b>;
 219                 clock-output-names = "xin32k", "wifibt_32kin";
 220                 interrupt-parent = <&gpio0>;
 221                 interrupts = <RK_PA4 IRQ_TYPE_LEVEL_LOW>;
 222                 pinctrl-names = "default";
 223                 pinctrl-0 = <&pmic_int_l>;
 224                 rockchip,system-power-controller;
 225                 wakeup-source;
 226                 #clock-cells = <1>;
 227
 228                 vcc1-supply = <&vcc33_sys>;
 229                 vcc2-supply = <&vcc33_sys>;
 230                 vcc3-supply = <&vcc33_sys>;
 231                 vcc4-supply = <&vcc33_sys>;
 232                 vcc6-supply = <&vcc_5v>;
 233                 vcc7-supply = <&vcc33_sys>;
 234                 vcc8-supply = <&vcc33_sys>;
 235                 vcc12-supply = <&vcc_18>;
 236                 vddio-supply = <&vcc33_io>;
 237
 238                 regulators {
 239                         vdd_cpu: DCDC_REG1 {
 240                                 regulator-name = "vdd_arm";
 241                                 regulator-always-on;
 242                                 regulator-boot-on;
 243                                 regulator-min-microvolt = <750000>;
 244                                 regulator-max-microvolt = <1450000>;
 245                                 regulator-ramp-delay = <6001>;
 246                                 regulator-state-mem {
 247                                         regulator-off-in-suspend;
 248                                 };
 249                         };
 250
 251                         vdd_gpu: DCDC_REG2 {
 252                                 regulator-name = "vdd_gpu";
 253                                 regulator-always-on;
 254                                 regulator-boot-on;
 255                                 regulator-min-microvolt = <800000>;
 256                                 regulator-max-microvolt = <1250000>;
 257                                 regulator-ramp-delay = <6001>;
 258                                 regulator-state-mem {
 259                                         regulator-off-in-suspend;
 260                                 };
 261                         };
 262
 263                         vcc135_ddr: DCDC_REG3 {
 264                                 regulator-name = "vcc135_ddr";
 265                                 regulator-always-on;
 266                                 regulator-boot-on;
 267                                 regulator-state-mem {
 268                                         regulator-on-in-suspend;
 269                                 };
 270                         };
 271
 272                         /*
 273                          * vcc_18 has several aliases.  (vcc18_flashio and
 274                          * vcc18_wl).  We'll add those aliases here just to
 275                          * make it easier to follow the schematic.  The signals
 276                          * are actually hooked together and only separated for
 277                          * power measurement purposes).
 278                          */
 279                         vcc18_wl: vcc18_flashio: vcc_18: DCDC_REG4 {
 280                                 regulator-name = "vcc_18";
 281                                 regulator-always-on;
 282                                 regulator-boot-on;
 283                                 regulator-min-microvolt = <1800000>;
 284                                 regulator-max-microvolt = <1800000>;
 285                                 regulator-state-mem {
 286                                         regulator-on-in-suspend;
 287                                         regulator-suspend-microvolt = <1800000>;
 288                                 };
 289                         };
 290
 291                         /*
 292                          * Note that both vcc33_io and vcc33_pmuio are always
 293                          * powered together. To simplify the logic in the dts
 294                          * we just refer to vcc33_io every time something is
 295                          * powered from vcc33_pmuio. In fact, on later boards
 296                          * (such as danger) they're the same net.
 297                          */
 298                         vcc33_io: LDO_REG1 {
 299                                 regulator-name = "vcc33_io";
 300                                 regulator-always-on;
 301                                 regulator-boot-on;
 302                                 regulator-min-microvolt = <3300000>;
 303                                 regulator-max-microvolt = <3300000>;
 304                                 regulator-state-mem {
 305                                         regulator-on-in-suspend;
 306                                         regulator-suspend-microvolt = <3300000>;
 307                                 };
 308                         };
 309
 310                         vdd_10: LDO_REG3 {
 311                                 regulator-name = "vdd_10";
 312                                 regulator-always-on;
 313                                 regulator-boot-on;
 314                                 regulator-min-microvolt = <1000000>;
 315                                 regulator-max-microvolt = <1000000>;
 316                                 regulator-state-mem {
 317                                         regulator-on-in-suspend;
 318                                         regulator-suspend-microvolt = <1000000>;
 319                                 };
 320                         };
 321
 322                         vdd10_lcd_pwren_h: LDO_REG7 {
 323                                 regulator-name = "vdd10_lcd_pwren_h";
 324                                 regulator-always-on;
 325                                 regulator-boot-on;
 326                                 regulator-min-microvolt = <2500000>;
 327                                 regulator-max-microvolt = <2500000>;
 328                                 regulator-state-mem {
 329                                         regulator-off-in-suspend;
 330                                 };
 331                         };
 332
 333                         vcc33_lcd: SWITCH_REG1 {
 334                                 regulator-name = "vcc33_lcd";
 335                                 regulator-always-on;
 336                                 regulator-boot-on;
 337                                 regulator-state-mem {
 338                                         regulator-off-in-suspend;
 339                                 };
 340                         };
 341                 };
 342         };
 343 };
 344
 345 &i2c1 {
 346         status = "okay";
 347
 348         clock-frequency = <400000>;
 349         i2c-scl-falling-time-ns = <50>;         /* 2.5ns measured */
 350         i2c-scl-rising-time-ns = <100>;         /* 40ns measured */
 351
 352         tpm: tpm@20 {
 353                 compatible = "infineon,slb9645tt";
 354                 reg = <0x20>;
 355                 powered-while-suspended;
 356         };
 357 };
 358
 359 &i2c2 {
 360         status = "okay";
 361
 362         /* 100kHz since 4.7k resistors don't rise fast enough */
 363         clock-frequency = <100000>;
 364         i2c-scl-falling-time-ns = <50>;         /* 10ns measured */
 365         i2c-scl-rising-time-ns = <800>;         /* 600ns measured */
 366 };
 367
 368 &i2c4 {
 369         status = "okay";
 370
 371         clock-frequency = <400000>;
 372         i2c-scl-falling-time-ns = <50>;         /* 11ns measured */
 373         i2c-scl-rising-time-ns = <300>;         /* 225ns measured */
 374 };
 375
 376 &io_domains {
 377         status = "okay";
 378
 379         bb-supply = <&vcc33_io>;
 380         dvp-supply = <&vcc_18>;
 381         flash0-supply = <&vcc18_flashio>;
 382         gpio1830-supply = <&vcc33_io>;
 383         gpio30-supply = <&vcc33_io>;
 384         lcdc-supply = <&vcc33_lcd>;
 385         wifi-supply = <&vcc18_wl>;
 386 };
 387
 388 &pwm1 {
 389         status = "okay";
 390 };
 391
 392 &sdio0 {
 393         status = "okay";
 394
 395         bus-width = <4>;
 396         cap-sd-highspeed;
 397         cap-sdio-irq;
 398         keep-power-in-suspend;
 399         mmc-pwrseq = <&sdio_pwrseq>;
 400         non-removable;
 401         pinctrl-names = "default";
 402         pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>;
 403         sd-uhs-sdr12;
 404         sd-uhs-sdr25;
 405         sd-uhs-sdr50;
 406         sd-uhs-sdr104;
 407         vmmc-supply = <&vcc33_sys>;
 408         vqmmc-supply = <&vcc18_wl>;
 409 };
 410
 411 &spi2 {
 412         status = "okay";
 413
 414         rx-sample-delay-ns = <12>;
 415
 416         flash@0 {
 417                 compatible = "jedec,spi-nor";
 418                 spi-max-frequency = <50000000>;
 419                 reg = <0>;
 420         };
 421 };
 422
 423 &tsadc {
 424         status = "okay";
 425
 426         rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */
 427         rockchip,hw-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */
 428         rockchip,hw-tshut-temp = <125000>;
 429 };
 430
 431 &uart0 {
 432         status = "okay";
 433
 434         /* Pins don't include flow control by default; add that in */
 435         pinctrl-names = "default";
 436         pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
 437 };
 438
 439 &uart1 {
 440         status = "okay";
 441 };
 442
 443 &uart2 {
 444         status = "okay";
 445 };
 446
 447 &usbphy {
 448         status = "okay";
 449 };
 450
 451 &usb_host0_ehci {
 452         status = "okay";
 453
 454         needs-reset-on-resume;
 455 };
 456
 457 &usb_host1 {
 458         status = "okay";
 459         snps,need-phy-for-wake;
 460 };
 461
 462 &usb_otg {
 463         status = "okay";
 464
 465         assigned-clocks = <&cru SCLK_USBPHY480M_SRC>;
 466         assigned-clock-parents = <&usbphy0>;
 467         dr_mode = "host";
 468         snps,need-phy-for-wake;
 469 };
 470
 471 &vopb {
 472         status = "okay";
 473 };
 474
 475 &vopb_mmu {
 476         status = "okay";
 477 };
 478
 479 &wdt {
 480         status = "okay";
 481 };
 482
 483 &pinctrl {
 484         pinctrl-names = "default", "sleep";
 485         pinctrl-0 = <
 486                 /* Common for sleep and wake, but no owners */
 487                 &ddr0_retention
 488                 &ddrio_pwroff
 489                 &global_pwroff
 490
 491                 /* Wake only */
 492                 &bt_dev_wake_awake
 493         >;
 494         pinctrl-1 = <
 495                 /* Common for sleep and wake, but no owners */
 496                 &ddr0_retention
 497                 &ddrio_pwroff
 498                 &global_pwroff
 499
 500                 /* Sleep only */
 501                 &bt_dev_wake_sleep
 502         >;
 503
 504         pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
 505                 bias-disable;
 506                 drive-strength = <8>;
 507         };
 508
 509         pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
 510                 bias-pull-up;
 511                 drive-strength = <8>;
 512         };
 513
 514         pcfg_output_high: pcfg-output-high {
 515                 output-high;
 516         };
 517
 518         pcfg_output_low: pcfg-output-low {
 519                 output-low;
 520         };
 521
 522         buttons {
 523                 pwr_key_l: pwr-key-l {
 524                         rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
 525                 };
 526         };
 527
 528         emmc {
 529                 emmc_reset: emmc-reset {
 530                         rockchip,pins = <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
 531                 };
 532
 533                 /*
 534                  * We run eMMC at max speed; bump up drive strength.
 535                  * We also have external pulls, so disable the internal ones.
 536                  */
 537                 emmc_clk: emmc-clk {
 538                         rockchip,pins = <3 RK_PC2 2 &pcfg_pull_none_drv_8ma>;
 539                 };
 540
 541                 emmc_cmd: emmc-cmd {
 542                         rockchip,pins = <3 RK_PC0 2 &pcfg_pull_none_drv_8ma>;
 543                 };
 544
 545                 emmc_bus8: emmc-bus8 {
 546                         rockchip,pins = <3 RK_PA0 2 &pcfg_pull_none_drv_8ma>,
 547                                         <3 RK_PA1 2 &pcfg_pull_none_drv_8ma>,
 548                                         <3 RK_PA2 2 &pcfg_pull_none_drv_8ma>,
 549                                         <3 RK_PA3 2 &pcfg_pull_none_drv_8ma>,
 550                                         <3 RK_PA4 2 &pcfg_pull_none_drv_8ma>,
 551                                         <3 RK_PA5 2 &pcfg_pull_none_drv_8ma>,
 552                                         <3 RK_PA6 2 &pcfg_pull_none_drv_8ma>,
 553                                         <3 RK_PA7 2 &pcfg_pull_none_drv_8ma>;
 554                 };
 555         };
 556
 557         pmic {
 558                 pmic_int_l: pmic-int-l {
 559                         rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;
 560                 };
 561         };
 562
 563         reboot {
 564                 ap_warm_reset_h: ap-warm-reset-h {
 565                         rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
 566                 };
 567         };
 568
 569         recovery-switch {
 570                 rec_mode_l: rec-mode-l {
 571                         rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>;
 572                 };
 573         };
 574
 575         sdio0 {
 576                 wifi_enable_h: wifienable-h {
 577                         rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
 578                 };
 579
 580                 /* NOTE: mislabelled on schematic; should be bt_enable_h */
 581                 bt_enable_l: bt-enable-l {
 582                         rockchip,pins = <4 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
 583                 };
 584
 585                 bt_host_wake: bt-host-wake {
 586                         rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_down>;
 587                 };
 588
 589                 bt_host_wake_l: bt-host-wake-l {
 590                         rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_none>;
 591                 };
 592
 593                 /*
 594                  * We run sdio0 at max speed; bump up drive strength.
 595                  * We also have external pulls, so disable the internal ones.
 596                  */
 597                 sdio0_bus4: sdio0-bus4 {
 598                         rockchip,pins = <4 RK_PC4 1 &pcfg_pull_none_drv_8ma>,
 599                                         <4 RK_PC5 1 &pcfg_pull_none_drv_8ma>,
 600                                         <4 RK_PC6 1 &pcfg_pull_none_drv_8ma>,
 601                                         <4 RK_PC7 1 &pcfg_pull_none_drv_8ma>;
 602                 };
 603
 604                 sdio0_cmd: sdio0-cmd {
 605                         rockchip,pins = <4 RK_PD0 1 &pcfg_pull_none_drv_8ma>;
 606                 };
 607
 608                 sdio0_clk: sdio0-clk {
 609                         rockchip,pins = <4 RK_PD1 1 &pcfg_pull_none_drv_8ma>;
 610                 };
 611
 612                 /*
 613                  * These pins are only present on very new veyron boards; on
 614                  * older boards bt_dev_wake is simply always high.  Note that
 615                  * gpio4_D2 is a NC on old veyron boards, so it doesn't hurt
 616                  * to map this pin everywhere
 617                  */
 618                 bt_dev_wake_sleep: bt-dev-wake-sleep {
 619                         rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_output_low>;
 620                 };
 621
 622                 bt_dev_wake_awake: bt-dev-wake-awake {
 623                         rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_output_high>;
 624                 };
 625         };
 626
 627         tpm {
 628                 tpm_int_h: tpm-int-h {
 629                         rockchip,pins = <7 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
 630                 };
 631         };
 632
 633         write-protect {
 634                 fw_wp_ap: fw-wp-ap {
 635                         rockchip,pins = <7 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
 636                 };
 637         };
 638 };