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 aliases { 14 mmc0 = &emmc; 15 }; 16 17 chosen { 18 stdout-path = "serial2:115200n8"; 19 }; 20 21 /* 22 * The default coreboot on veyron devices ignores memory@0 nodes 23 * and would instead create another memory node. 24 */ 25 memory { 26 device_type = "memory"; 27 reg = <0x0 0x0 0x0 0x80000000>; 28 }; 29 30 31 power_button: power-button { 32 compatible = "gpio-keys"; 33 pinctrl-names = "default"; 34 pinctrl-0 = <&pwr_key_l>; 35 36 key-power { 37 label = "Power"; 38 gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>; 39 linux,code = <KEY_POWER>; 40 debounce-interval = <100>; 41 wakeup-source; 42 }; 43 }; 44 45 gpio-restart { 46 compatible = "gpio-restart"; 47 gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>; 48 pinctrl-names = "default"; 49 pinctrl-0 = <&ap_warm_reset_h>; 50 priority = <200>; 51 }; 52 53 emmc_pwrseq: emmc-pwrseq { 54 compatible = "mmc-pwrseq-emmc"; 55 pinctrl-0 = <&emmc_reset>; 56 pinctrl-names = "default"; 57 reset-gpios = <&gpio2 RK_PB1 GPIO_ACTIVE_HIGH>; 58 }; 59 60 sdio_pwrseq: sdio-pwrseq { 61 compatible = "mmc-pwrseq-simple"; 62 clocks = <&rk808 RK808_CLKOUT1>; 63 clock-names = "ext_clock"; 64 pinctrl-names = "default"; 65 pinctrl-0 = <&wifi_enable_h>; 66 67 /* 68 * Depending on the actual card populated GPIO4 D4 69 * correspond to one of these signals on the module: 70 * 71 * D4: 72 * - SDIO_RESET_L_WL_REG_ON 73 * - PDN (power down when low) 74 */ 75 reset-gpios = <&gpio4 RK_PD4 GPIO_ACTIVE_LOW>; 76 }; 77 78 vcc_5v: regulator-vcc-5v { 79 compatible = "regulator-fixed"; 80 regulator-name = "vcc_5v"; 81 regulator-always-on; 82 regulator-boot-on; 83 regulator-min-microvolt = <5000000>; 84 regulator-max-microvolt = <5000000>; 85 }; 86 87 vcc33_sys: regulator-vcc33-sys { 88 compatible = "regulator-fixed"; 89 regulator-name = "vcc33_sys"; 90 regulator-always-on; 91 regulator-boot-on; 92 regulator-min-microvolt = <3300000>; 93 regulator-max-microvolt = <3300000>; 94 }; 95 96 vcc50_hdmi: regulator-vcc50-hdmi { 97 compatible = "regulator-fixed"; 98 regulator-name = "vcc50_hdmi"; 99 regulator-always-on; 100 regulator-boot-on; 101 vin-supply = <&vcc_5v>; 102 }; 103 104 vdd_logic: regulator-vdd-logic { 105 compatible = "pwm-regulator"; 106 regulator-name = "vdd_logic"; 107 108 pwms = <&pwm1 0 1994 0>; 109 pwm-supply = <&vcc33_sys>; 110 111 pwm-dutycycle-range = <0x7b 0>; 112 pwm-dutycycle-unit = <0x94>; 113 114 regulator-always-on; 115 regulator-boot-on; 116 regulator-min-microvolt = <950000>; 117 regulator-max-microvolt = <1350000>; 118 regulator-ramp-delay = <4000>; 119 }; 120}; 121 122&cpu0 { 123 cpu0-supply = <&vdd_cpu>; 124}; 125 126&cpu_crit { 127 temperature = <100000>; 128}; 129 130/* rk3288-c used in Veyron Chrome-devices has slightly changed OPPs */ 131&cpu_opp_table { 132 /delete-node/ opp-312000000; 133 134 opp-1512000000 { 135 opp-microvolt = <1250000>; 136 }; 137 opp-1608000000 { 138 opp-microvolt = <1300000>; 139 }; 140 opp-1704000000 { 141 opp-hz = /bits/ 64 <1704000000>; 142 opp-microvolt = <1350000>; 143 }; 144 opp-1800000000 { 145 opp-hz = /bits/ 64 <1800000000>; 146 opp-microvolt = <1400000>; 147 }; 148}; 149 150&emmc { 151 status = "okay"; 152 153 bus-width = <8>; 154 cap-mmc-highspeed; 155 rockchip,default-sample-phase = <158>; 156 disable-wp; 157 mmc-hs200-1_8v; 158 mmc-pwrseq = <&emmc_pwrseq>; 159 non-removable; 160 pinctrl-names = "default"; 161 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>; 162}; 163 164&gpu { 165 mali-supply = <&vdd_gpu>; 166 status = "okay"; 167}; 168 169&gpu_alert0 { 170 temperature = <72500>; 171}; 172 173&gpu_crit { 174 temperature = <100000>; 175}; 176 177&hdmi { 178 pinctrl-names = "default", "unwedge"; 179 pinctrl-0 = <&hdmi_ddc>; 180 pinctrl-1 = <&hdmi_ddc_unwedge>; 181 status = "okay"; 182}; 183 184&i2c0 { 185 status = "okay"; 186 187 clock-frequency = <400000>; 188 i2c-scl-falling-time-ns = <50>; /* 2.5ns measured */ 189 i2c-scl-rising-time-ns = <100>; /* 45ns measured */ 190 191 rk808: pmic@1b { 192 compatible = "rockchip,rk808"; 193 reg = <0x1b>; 194 clock-output-names = "xin32k", "wifibt_32kin"; 195 interrupt-parent = <&gpio0>; 196 interrupts = <RK_PA4 IRQ_TYPE_LEVEL_LOW>; 197 pinctrl-names = "default"; 198 pinctrl-0 = <&pmic_int_l>; 199 rockchip,system-power-controller; 200 wakeup-source; 201 #clock-cells = <1>; 202 203 vcc1-supply = <&vcc33_sys>; 204 vcc2-supply = <&vcc33_sys>; 205 vcc3-supply = <&vcc33_sys>; 206 vcc4-supply = <&vcc33_sys>; 207 vcc6-supply = <&vcc_5v>; 208 vcc7-supply = <&vcc33_sys>; 209 vcc8-supply = <&vcc33_sys>; 210 vcc12-supply = <&vcc_18>; 211 vddio-supply = <&vcc33_io>; 212 213 regulators { 214 vdd_cpu: DCDC_REG1 { 215 regulator-name = "vdd_arm"; 216 regulator-always-on; 217 regulator-boot-on; 218 regulator-min-microvolt = <750000>; 219 regulator-max-microvolt = <1450000>; 220 regulator-ramp-delay = <6001>; 221 regulator-state-mem { 222 regulator-off-in-suspend; 223 }; 224 }; 225 226 vdd_gpu: DCDC_REG2 { 227 regulator-name = "vdd_gpu"; 228 regulator-always-on; 229 regulator-boot-on; 230 regulator-min-microvolt = <800000>; 231 regulator-max-microvolt = <1250000>; 232 regulator-ramp-delay = <6001>; 233 regulator-state-mem { 234 regulator-off-in-suspend; 235 }; 236 }; 237 238 vcc135_ddr: DCDC_REG3 { 239 regulator-name = "vcc135_ddr"; 240 regulator-always-on; 241 regulator-boot-on; 242 regulator-state-mem { 243 regulator-on-in-suspend; 244 }; 245 }; 246 247 /* 248 * vcc_18 has several aliases. (vcc18_flashio and 249 * vcc18_wl). We'll add those aliases here just to 250 * make it easier to follow the schematic. The signals 251 * are actually hooked together and only separated for 252 * power measurement purposes). 253 */ 254 vcc18_wl: vcc18_flashio: vcc_18: DCDC_REG4 { 255 regulator-name = "vcc_18"; 256 regulator-always-on; 257 regulator-boot-on; 258 regulator-min-microvolt = <1800000>; 259 regulator-max-microvolt = <1800000>; 260 regulator-state-mem { 261 regulator-on-in-suspend; 262 regulator-suspend-microvolt = <1800000>; 263 }; 264 }; 265 266 /* 267 * Note that both vcc33_io and vcc33_pmuio are always 268 * powered together. To simplify the logic in the dts 269 * we just refer to vcc33_io every time something is 270 * powered from vcc33_pmuio. In fact, on later boards 271 * (such as danger) they're the same net. 272 */ 273 vcc33_io: LDO_REG1 { 274 regulator-name = "vcc33_io"; 275 regulator-always-on; 276 regulator-boot-on; 277 regulator-min-microvolt = <3300000>; 278 regulator-max-microvolt = <3300000>; 279 regulator-state-mem { 280 regulator-on-in-suspend; 281 regulator-suspend-microvolt = <3300000>; 282 }; 283 }; 284 285 vdd_10: LDO_REG3 { 286 regulator-name = "vdd_10"; 287 regulator-always-on; 288 regulator-boot-on; 289 regulator-min-microvolt = <1000000>; 290 regulator-max-microvolt = <1000000>; 291 regulator-state-mem { 292 regulator-on-in-suspend; 293 regulator-suspend-microvolt = <1000000>; 294 }; 295 }; 296 297 vdd10_lcd_pwren_h: LDO_REG7 { 298 regulator-name = "vdd10_lcd_pwren_h"; 299 regulator-always-on; 300 regulator-boot-on; 301 regulator-min-microvolt = <2500000>; 302 regulator-max-microvolt = <2500000>; 303 regulator-state-mem { 304 regulator-off-in-suspend; 305 }; 306 }; 307 308 vcc33_lcd: SWITCH_REG1 { 309 regulator-name = "vcc33_lcd"; 310 regulator-always-on; 311 regulator-boot-on; 312 regulator-state-mem { 313 regulator-off-in-suspend; 314 }; 315 }; 316 }; 317 }; 318}; 319 320&i2c1 { 321 status = "okay"; 322 323 clock-frequency = <400000>; 324 i2c-scl-falling-time-ns = <50>; /* 2.5ns measured */ 325 i2c-scl-rising-time-ns = <100>; /* 40ns measured */ 326 327 tpm: tpm@20 { 328 compatible = "infineon,slb9645tt"; 329 reg = <0x20>; 330 powered-while-suspended; 331 }; 332}; 333 334&i2c2 { 335 status = "okay"; 336 337 /* 100kHz since 4.7k resistors don't rise fast enough */ 338 clock-frequency = <100000>; 339 i2c-scl-falling-time-ns = <50>; /* 10ns measured */ 340 i2c-scl-rising-time-ns = <800>; /* 600ns measured */ 341}; 342 343&i2c4 { 344 status = "okay"; 345 346 clock-frequency = <400000>; 347 i2c-scl-falling-time-ns = <50>; /* 11ns measured */ 348 i2c-scl-rising-time-ns = <300>; /* 225ns measured */ 349}; 350 351&io_domains { 352 status = "okay"; 353 354 bb-supply = <&vcc33_io>; 355 dvp-supply = <&vcc_18>; 356 flash0-supply = <&vcc18_flashio>; 357 gpio1830-supply = <&vcc33_io>; 358 gpio30-supply = <&vcc33_io>; 359 lcdc-supply = <&vcc33_lcd>; 360 wifi-supply = <&vcc18_wl>; 361}; 362 363&pwm1 { 364 status = "okay"; 365}; 366 367&sdio0 { 368 status = "okay"; 369 370 bus-width = <4>; 371 cap-sd-highspeed; 372 cap-sdio-irq; 373 keep-power-in-suspend; 374 mmc-pwrseq = <&sdio_pwrseq>; 375 non-removable; 376 pinctrl-names = "default"; 377 pinctrl-0 = <&sdio0_clk &sdio0_cmd &sdio0_bus4>; 378 sd-uhs-sdr12; 379 sd-uhs-sdr25; 380 sd-uhs-sdr50; 381 sd-uhs-sdr104; 382 vmmc-supply = <&vcc33_sys>; 383 vqmmc-supply = <&vcc18_wl>; 384}; 385 386&spi2 { 387 status = "okay"; 388 389 rx-sample-delay-ns = <12>; 390 391 flash@0 { 392 compatible = "jedec,spi-nor"; 393 spi-max-frequency = <50000000>; 394 reg = <0>; 395 }; 396}; 397 398&tsadc { 399 status = "okay"; 400 401 rockchip,hw-tshut-mode = <1>; /* tshut mode 0:CRU 1:GPIO */ 402 rockchip,hw-tshut-polarity = <1>; /* tshut polarity 0:LOW 1:HIGH */ 403 rockchip,hw-tshut-temp = <125000>; 404}; 405 406&uart0 { 407 status = "okay"; 408 409 /* Pins don't include flow control by default; add that in */ 410 pinctrl-names = "default"; 411 pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>; 412}; 413 414&uart1 { 415 status = "okay"; 416}; 417 418&uart2 { 419 status = "okay"; 420}; 421 422&usbphy { 423 status = "okay"; 424}; 425 426&usb_host0_ehci { 427 status = "okay"; 428 429 needs-reset-on-resume; 430}; 431 432&usb_host1 { 433 status = "okay"; 434 snps,need-phy-for-wake; 435}; 436 437&usb_otg { 438 status = "okay"; 439 440 assigned-clocks = <&cru SCLK_USBPHY480M_SRC>; 441 assigned-clock-parents = <&usbphy0>; 442 dr_mode = "host"; 443 snps,need-phy-for-wake; 444}; 445 446&vopb { 447 status = "okay"; 448}; 449 450&vopb_mmu { 451 status = "okay"; 452}; 453 454&wdt { 455 status = "okay"; 456}; 457 458&pinctrl { 459 pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma { 460 bias-disable; 461 drive-strength = <8>; 462 }; 463 464 pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma { 465 bias-pull-up; 466 drive-strength = <8>; 467 }; 468 469 pcfg_output_high: pcfg-output-high { 470 output-high; 471 }; 472 473 pcfg_output_low: pcfg-output-low { 474 output-low; 475 }; 476 477 buttons { 478 pwr_key_l: pwr-key-l { 479 rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>; 480 }; 481 }; 482 483 emmc { 484 emmc_reset: emmc-reset { 485 rockchip,pins = <2 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>; 486 }; 487 488 /* 489 * We run eMMC at max speed; bump up drive strength. 490 * We also have external pulls, so disable the internal ones. 491 */ 492 emmc_clk: emmc-clk { 493 rockchip,pins = <3 RK_PC2 2 &pcfg_pull_none_drv_8ma>; 494 }; 495 496 emmc_cmd: emmc-cmd { 497 rockchip,pins = <3 RK_PC0 2 &pcfg_pull_none_drv_8ma>; 498 }; 499 500 emmc_bus8: emmc-bus8 { 501 rockchip,pins = <3 RK_PA0 2 &pcfg_pull_none_drv_8ma>, 502 <3 RK_PA1 2 &pcfg_pull_none_drv_8ma>, 503 <3 RK_PA2 2 &pcfg_pull_none_drv_8ma>, 504 <3 RK_PA3 2 &pcfg_pull_none_drv_8ma>, 505 <3 RK_PA4 2 &pcfg_pull_none_drv_8ma>, 506 <3 RK_PA5 2 &pcfg_pull_none_drv_8ma>, 507 <3 RK_PA6 2 &pcfg_pull_none_drv_8ma>, 508 <3 RK_PA7 2 &pcfg_pull_none_drv_8ma>; 509 }; 510 }; 511 512 pmic { 513 pmic_int_l: pmic-int-l { 514 rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>; 515 }; 516 }; 517 518 reboot { 519 ap_warm_reset_h: ap-warm-reset-h { 520 rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>; 521 }; 522 }; 523 524 recovery-switch { 525 rec_mode_l: rec-mode-l { 526 rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_up>; 527 }; 528 }; 529 530 sdio0 { 531 wifi_enable_h: wifienable-h { 532 rockchip,pins = <4 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>; 533 }; 534 535 /* NOTE: mislabelled on schematic; should be bt_enable_h */ 536 bt_enable_l: bt-enable-l { 537 rockchip,pins = <4 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>; 538 }; 539 540 bt_host_wake: bt-host-wake { 541 rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_down>; 542 }; 543 544 bt_host_wake_l: bt-host-wake-l { 545 rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_none>; 546 }; 547 548 /* 549 * We run sdio0 at max speed; bump up drive strength. 550 * We also have external pulls, so disable the internal ones. 551 */ 552 sdio0_bus4: sdio0-bus4 { 553 rockchip,pins = <4 RK_PC4 1 &pcfg_pull_none_drv_8ma>, 554 <4 RK_PC5 1 &pcfg_pull_none_drv_8ma>, 555 <4 RK_PC6 1 &pcfg_pull_none_drv_8ma>, 556 <4 RK_PC7 1 &pcfg_pull_none_drv_8ma>; 557 }; 558 559 sdio0_cmd: sdio0-cmd { 560 rockchip,pins = <4 RK_PD0 1 &pcfg_pull_none_drv_8ma>; 561 }; 562 563 sdio0_clk: sdio0-clk { 564 rockchip,pins = <4 RK_PD1 1 &pcfg_pull_none_drv_8ma>; 565 }; 566 567 /* 568 * These pins are only present on very new veyron boards; on 569 * older boards bt_dev_wake is simply always high. Note that 570 * gpio4_D2 is a NC on old veyron boards, so it doesn't hurt 571 * to map this pin everywhere 572 */ 573 bt_dev_wake_sleep: bt-dev-wake-sleep { 574 rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_output_low>; 575 }; 576 577 bt_dev_wake_awake: bt-dev-wake-awake { 578 rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_output_high>; 579 }; 580 581 bt_dev_wake: bt-dev-wake { 582 rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>; 583 }; 584 }; 585 586 tpm { 587 tpm_int_h: tpm-int-h { 588 rockchip,pins = <7 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>; 589 }; 590 }; 591 592 write-protect { 593 fw_wp_ap: fw-wp-ap { 594 rockchip,pins = <7 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>; 595 }; 596 }; 597}; 598