1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2 3/dts-v1/; 4 5#include <dt-bindings/gpio/gpio.h> 6#include <dt-bindings/pinctrl/rockchip.h> 7#include <dt-bindings/usb/pd.h> 8#include "rk3588s.dtsi" 9 10/ { 11 model = "Indiedroid Nova"; 12 compatible = "indiedroid,nova", "rockchip,rk3588s"; 13 14 aliases { 15 mmc0 = &sdhci; 16 mmc1 = &sdmmc; 17 mmc2 = &sdio; 18 serial2 = &uart2; 19 }; 20 21 chosen { 22 stdout-path = "serial2:1500000n8"; 23 }; 24 25 sdio_pwrseq: sdio-pwrseq { 26 compatible = "mmc-pwrseq-simple"; 27 clock-names = "ext_clock"; 28 clocks = <&rtc_hym8563>; 29 pinctrl-0 = <&wifi_enable_h>; 30 pinctrl-names = "default"; 31 post-power-on-delay-ms = <200>; 32 reset-gpios = <&gpio0 RK_PC7 GPIO_ACTIVE_LOW>; 33 }; 34 35 sound { 36 compatible = "audio-graph-card"; 37 label = "rockchip,es8388-codec"; 38 widgets = "Microphone", "Mic Jack", 39 "Headphone", "Headphones"; 40 routing = "LINPUT2", "Mic Jack", 41 "Headphones", "LOUT1", 42 "Headphones", "ROUT1"; 43 dais = <&i2s0_8ch_p0>; 44 }; 45 46 vbus5v0_typec: vbus5v0-typec-regulator { 47 compatible = "regulator-fixed"; 48 enable-active-high; 49 gpio = <&gpio4 RK_PA5 GPIO_ACTIVE_HIGH>; 50 pinctrl-0 = <&typec5v_pwren>; 51 pinctrl-names = "default"; 52 regulator-name = "vbus5v0_typec"; 53 regulator-min-microvolt = <5000000>; 54 regulator-max-microvolt = <5000000>; 55 vin-supply = <&vcc5v0_usb>; 56 }; 57 58 vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator { 59 compatible = "regulator-fixed"; 60 regulator-always-on; 61 regulator-boot-on; 62 regulator-max-microvolt = <1100000>; 63 regulator-min-microvolt = <1100000>; 64 regulator-name = "vcc_1v1_nldo_s3"; 65 vin-supply = <&vcc5v0_sys>; 66 }; 67 68 /* Regulator is enabled whenever vcc_1v8_s0 is above 1.6v */ 69 vcc_3v3_s0: vcc-3v3-s0-regulator { 70 compatible = "regulator-fixed"; 71 regulator-always-on; 72 regulator-boot-on; 73 regulator-max-microvolt = <3300000>; 74 regulator-min-microvolt = <3300000>; 75 regulator-name = "vcc_3v3_s0"; 76 vin-supply = <&vcc_3v3_s3>; 77 78 regulator-state-mem { 79 regulator-off-in-suspend; 80 }; 81 }; 82 83 vcc5v0_sys: vcc5v0-sys-regulator { 84 compatible = "regulator-fixed"; 85 regulator-always-on; 86 regulator-boot-on; 87 regulator-max-microvolt = <5000000>; 88 regulator-min-microvolt = <5000000>; 89 regulator-name = "vcc5v0_sys"; 90 }; 91 92 vcc5v0_usb: vcc5v0-usb-regulator { 93 compatible = "regulator-fixed"; 94 regulator-always-on; 95 regulator-boot-on; 96 regulator-max-microvolt = <5000000>; 97 regulator-min-microvolt = <5000000>; 98 regulator-name = "vcc5v0_usb"; 99 vin-supply = <&vcc5v0_usbdcin>; 100 }; 101 102 vcc5v0_usbdcin: vcc5v0-usbdcin-regulator { 103 compatible = "regulator-fixed"; 104 regulator-always-on; 105 regulator-boot-on; 106 regulator-max-microvolt = <5000000>; 107 regulator-min-microvolt = <5000000>; 108 regulator-name = "vcc5v0_usbdcin"; 109 }; 110}; 111 112&cpu_l0 { 113 cpu-supply = <&vdd_cpu_lit_s0>; 114}; 115 116&cpu_l1 { 117 cpu-supply = <&vdd_cpu_lit_s0>; 118}; 119 120&cpu_l2 { 121 cpu-supply = <&vdd_cpu_lit_s0>; 122}; 123 124&cpu_l3 { 125 cpu-supply = <&vdd_cpu_lit_s0>; 126}; 127 128&cpu_b0 { 129 cpu-supply = <&vdd_cpu_big0_s0>; 130}; 131 132&cpu_b1 { 133 cpu-supply = <&vdd_cpu_big0_s0>; 134}; 135 136&cpu_b2 { 137 cpu-supply = <&vdd_cpu_big1_s0>; 138}; 139 140&cpu_b3 { 141 cpu-supply = <&vdd_cpu_big1_s0>; 142}; 143 144/* 145 * Add labels for each GPIO pin exposed on the 40 pin header. Note that 146 * voltage of each GPIO pin could be either 3.3v or 1.8v (as noted by 147 * label). 148 */ 149&gpio0 { 150 gpio-line-names = /* GPIO0 A0-A7 */ 151 "", "", "", "", 152 "", "", "", "", 153 /* GPIO0 B0-B7 */ 154 "", "", "", "", 155 "", "", "", "", 156 /* GPIO0 C0-C7 */ 157 "", "", "", "", 158 "", "", "", "", 159 /* GPIO0 D0-D7 */ 160 "HEADER_12_1v8", "", "", "HEADER_24_1v8", 161 "", "", "", ""; 162}; 163 164&gpio1 { 165 gpio-line-names = /* GPIO1 A0-A7 */ 166 "HEADER_27_3v3", "HEADER_28_3v3", "", "", 167 "HEADER_29_1v8", "", "HEADER_7_1v8", "", 168 /* GPIO1 B0-B7 */ 169 "", "HEADER_31_1v8", "HEADER_33_1v8", "", 170 "HEADER_11_1v8", "HEADER_13_1v8", "", "", 171 /* GPIO1 C0-C7 */ 172 "", "", "", "", 173 "", "", "", "", 174 /* GPIO1 D0-D7 */ 175 "", "", "", "", 176 "", "", "HEADER_5_3v3", "HEADER_3_3v3"; 177}; 178 179&gpio3 { 180 gpio-line-names = /* GPIO3 A0-A7 */ 181 "", "", "", "", 182 "", "", "", "", 183 /* GPIO3 B0-B7 */ 184 "HEADER_16_1v8", "HEADER_18_1v8", "", "", 185 "", "", "", "HEADER_19_1v8", 186 /* GPIO3 C0-C7 */ 187 "HEADER_21_1v8", "HEADER_23_1v8", "", "HEADER_26_1v8", 188 "HEADER_15_1v8", "HEADER_22_1v8", "", "", 189 /* GPIO3 D0-D7 */ 190 "", "", "", "", 191 "", "", "", ""; 192}; 193 194&gpio4 { 195 gpio-line-names = /* GPIO4 A0-A7 */ 196 "", "", "HEADER_37_3v3", "HEADER_32_3v3", 197 "HEADER_36_3v3", "", "HEADER_35_3v3", "HEADER_38_3v3", 198 /* GPIO4 B0-B7 */ 199 "", "", "", "HEADER_40_3v3", 200 "HEADER_8_3v3", "HEADER_10_3v3", "", "", 201 /* GPIO4 C0-C7 */ 202 "", "", "", "", 203 "", "", "", "", 204 /* GPIO4 D0-D7 */ 205 "", "", "", "", 206 "", "", "", ""; 207}; 208 209&i2c0 { 210 pinctrl-0 = <&i2c0m2_xfer>; 211 pinctrl-names = "default"; 212 status = "okay"; 213 214 vdd_cpu_big0_s0: regulator@42 { 215 compatible = "rockchip,rk8602"; 216 reg = <0x42>; 217 regulator-always-on; 218 regulator-boot-on; 219 regulator-max-microvolt = <1050000>; 220 regulator-min-microvolt = <550000>; 221 regulator-name = "vdd_cpu_big0_s0"; 222 regulator-ramp-delay = <2300>; 223 fcs,suspend-voltage-selector = <1>; 224 vin-supply = <&vcc5v0_sys>; 225 226 regulator-state-mem { 227 regulator-off-in-suspend; 228 }; 229 }; 230 231 vdd_cpu_big1_s0: regulator@43 { 232 compatible = "rockchip,rk8603", "rockchip,rk8602"; 233 reg = <0x43>; 234 regulator-always-on; 235 regulator-boot-on; 236 regulator-max-microvolt = <1050000>; 237 regulator-min-microvolt = <550000>; 238 regulator-name = "vdd_cpu_big1_s0"; 239 regulator-ramp-delay = <2300>; 240 fcs,suspend-voltage-selector = <1>; 241 vin-supply = <&vcc5v0_sys>; 242 243 regulator-state-mem { 244 regulator-off-in-suspend; 245 }; 246 }; 247}; 248 249&i2c2 { 250 status = "okay"; 251 252 vdd_npu_s0: regulator@42 { 253 compatible = "rockchip,rk8602"; 254 reg = <0x42>; 255 regulator-always-on; 256 regulator-boot-on; 257 regulator-max-microvolt = <950000>; 258 regulator-min-microvolt = <550000>; 259 regulator-name = "vdd_npu_s0"; 260 regulator-ramp-delay = <2300>; 261 fcs,suspend-voltage-selector = <1>; 262 vin-supply = <&vcc5v0_sys>; 263 264 regulator-state-mem { 265 regulator-off-in-suspend; 266 }; 267 }; 268}; 269 270&i2c6 { 271 pinctrl-0 = <&i2c6m3_xfer>; 272 status = "okay"; 273 274 fusb302: typec-portc@22 { 275 compatible = "fcs,fusb302"; 276 reg = <0x22>; 277 interrupt-parent = <&gpio0>; 278 interrupts = <RK_PC4 IRQ_TYPE_LEVEL_LOW>; 279 pinctrl-0 = <&usbc0_int>; 280 pinctrl-names = "default"; 281 vbus-supply = <&vbus5v0_typec>; 282 283 connector { 284 compatible = "usb-c-connector"; 285 data-role = "dual"; 286 label = "USB-C"; 287 power-role = "dual"; 288 try-power-role = "sink"; 289 source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>; 290 sink-pdos = <PDO_FIXED(5000, 1000, PDO_FIXED_USB_COMM)>; 291 op-sink-microwatt = <1000000>; 292 }; 293 }; 294 295 rtc_hym8563: rtc@51 { 296 compatible = "haoyu,hym8563"; 297 reg = <0x51>; 298 #clock-cells = <0>; 299 clock-output-names = "hym8563"; 300 interrupt-parent = <&gpio0>; 301 interrupts = <RK_PB0 IRQ_TYPE_LEVEL_LOW>; 302 pinctrl-0 = <&hym8563_int>; 303 pinctrl-names = "default"; 304 wakeup-source; 305 }; 306}; 307 308&i2c7 { 309 pinctrl-0 = <&i2c7m0_xfer>; 310 status = "okay"; 311 312 es8388: audio-codec@11 { 313 compatible = "everest,es8388"; 314 reg = <0x11>; 315 assigned-clock-rates = <12288000>; 316 assigned-clocks = <&cru I2S0_8CH_MCLKOUT>; 317 AVDD-supply = <&vcc_3v3_s3>; 318 clock-names = "mclk"; 319 clocks = <&cru I2S0_8CH_MCLKOUT>; 320 DVDD-supply = <&vcc_1v8_s3>; 321 HPVDD-supply = <&vcc_3v3_s3>; 322 PVDD-supply = <&vcc_1v8_s3>; 323 #sound-dai-cells = <0>; 324 325 port { 326 es8388_p0_0: endpoint { 327 remote-endpoint = <&i2s0_8ch_p0_0>; 328 }; 329 }; 330 }; 331}; 332 333&i2s0_8ch { 334 pinctrl-names = "default"; 335 pinctrl-0 = <&i2s0_lrck 336 &i2s0_mclk 337 &i2s0_sclk 338 &i2s0_sdi0 339 &i2s0_sdo0>; 340 status = "okay"; 341 342 i2s0_8ch_p0: port { 343 i2s0_8ch_p0_0: endpoint { 344 dai-format = "i2s"; 345 mclk-fs = <256>; 346 remote-endpoint = <&es8388_p0_0>; 347 }; 348 }; 349}; 350 351&pinctrl { 352 bluetooth-pins { 353 bt_reset: bt-reset { 354 rockchip,pins = 355 <0 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>; 356 }; 357 358 bt_wake_dev: bt-wake-dev { 359 rockchip,pins = 360 <0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>; 361 }; 362 363 bt_wake_host: bt-wake-host { 364 rockchip,pins = 365 <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_down>; 366 }; 367 }; 368 369 hym8563 { 370 371 hym8563_int: hym8563-int { 372 rockchip,pins = 373 <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>; 374 }; 375 }; 376 377 sdio-pwrseq { 378 wifi_enable_h: wifi-enable-h { 379 rockchip,pins = 380 <0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>; 381 }; 382 }; 383 384 usb-typec { 385 usbc0_int: usbc0-int { 386 rockchip,pins = 387 <0 RK_PC4 RK_FUNC_GPIO &pcfg_pull_up>; 388 }; 389 390 typec5v_pwren: typec5v-pwren { 391 rockchip,pins = 392 <4 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>; 393 }; 394 }; 395}; 396 397/* HS400 modes seemed to cause io errors. */ 398&sdhci { 399 bus-width = <8>; 400 no-mmc-hs400; 401 no-sd; 402 no-sdio; 403 non-removable; 404 max-frequency = <200000000>; 405 vmmc-supply = <&vcc_3v3_s0>; 406 vqmmc-supply = <&vcc_1v8_s3>; 407 status = "okay"; 408}; 409 410&sdio { 411 bus-width = <4>; 412 cap-sd-highspeed; 413 cap-sdio-irq; 414 disable-wp; 415 keep-power-in-suspend; 416 max-frequency = <100000000>; 417 mmc-pwrseq = <&sdio_pwrseq>; 418 no-mmc; 419 no-sd; 420 non-removable; 421 sd-uhs-sdr104; 422 vmmc-supply = <&vcc_3v3_s3>; 423 vqmmc-supply = <&vcc_1v8_s3>; 424 status = "okay"; 425}; 426 427&sdmmc { 428 bus-width = <4>; 429 cap-mmc-highspeed; 430 cap-sd-highspeed; 431 disable-wp; 432 max-frequency = <200000000>; 433 no-sdio; 434 no-mmc; 435 sd-uhs-sdr104; 436 vmmc-supply = <&vcc_3v3_s3>; 437 vqmmc-supply = <&vccio_sd_s0>; 438 status = "okay"; 439}; 440 441&spi2 { 442 #address-cells = <1>; 443 assigned-clocks = <&cru CLK_SPI2>; 444 assigned-clock-rates = <200000000>; 445 num-cs = <1>; 446 pinctrl-0 = <&spi2m2_pins>, <&spi2m2_cs0>; 447 pinctrl-names = "default"; 448 #size-cells = <0>; 449 status = "okay"; 450 451 pmic@0 { 452 compatible = "rockchip,rk806"; 453 reg = <0x0>; 454 #gpio-cells = <2>; 455 gpio-controller; 456 interrupt-parent = <&gpio0>; 457 interrupts = <RK_PA7 IRQ_TYPE_LEVEL_LOW>; 458 pinctrl-0 = <&pmic_pins>, <&rk806_dvs1_null>, 459 <&rk806_dvs2_null>, <&rk806_dvs3_null>; 460 pinctrl-names = "default"; 461 spi-max-frequency = <1000000>; 462 463 vcc1-supply = <&vcc5v0_sys>; 464 vcc2-supply = <&vcc5v0_sys>; 465 vcc3-supply = <&vcc5v0_sys>; 466 vcc4-supply = <&vcc5v0_sys>; 467 vcc5-supply = <&vcc5v0_sys>; 468 vcc6-supply = <&vcc5v0_sys>; 469 vcc7-supply = <&vcc5v0_sys>; 470 vcc8-supply = <&vcc5v0_sys>; 471 vcc9-supply = <&vcc5v0_sys>; 472 vcc10-supply = <&vcc5v0_sys>; 473 vcc11-supply = <&vcc_2v0_pldo_s3>; 474 vcc12-supply = <&vcc5v0_sys>; 475 vcc13-supply = <&vcc_1v1_nldo_s3>; 476 vcc14-supply = <&vcc_1v1_nldo_s3>; 477 vcca-supply = <&vcc5v0_sys>; 478 479 rk806_dvs1_null: dvs1-null-pins { 480 pins = "gpio_pwrctrl2"; 481 function = "pin_fun0"; 482 }; 483 484 rk806_dvs2_null: dvs2-null-pins { 485 pins = "gpio_pwrctrl2"; 486 function = "pin_fun0"; 487 }; 488 489 rk806_dvs3_null: dvs3-null-pins { 490 pins = "gpio_pwrctrl3"; 491 function = "pin_fun0"; 492 }; 493 494 regulators { 495 vdd_gpu_s0: dcdc-reg1 { 496 regulator-boot-on; 497 regulator-enable-ramp-delay = <400>; 498 regulator-max-microvolt = <950000>; 499 regulator-min-microvolt = <550000>; 500 regulator-name = "vdd_gpu_s0"; 501 regulator-ramp-delay = <12500>; 502 regulator-state-mem { 503 regulator-off-in-suspend; 504 }; 505 }; 506 507 vdd_cpu_lit_s0: dcdc-reg2 { 508 regulator-always-on; 509 regulator-boot-on; 510 regulator-max-microvolt = <950000>; 511 regulator-min-microvolt = <550000>; 512 regulator-ramp-delay = <12500>; 513 regulator-name = "vdd_cpu_lit_s0"; 514 regulator-state-mem { 515 regulator-off-in-suspend; 516 }; 517 }; 518 519 vdd_logic_s0: dcdc-reg3 { 520 regulator-always-on; 521 regulator-boot-on; 522 regulator-max-microvolt = <750000>; 523 regulator-min-microvolt = <675000>; 524 regulator-name = "vdd_logic_s0"; 525 regulator-ramp-delay = <12500>; 526 regulator-state-mem { 527 regulator-on-in-suspend; 528 regulator-suspend-microvolt = <750000>; 529 }; 530 }; 531 532 vdd_vdenc_s0: dcdc-reg4 { 533 regulator-always-on; 534 regulator-boot-on; 535 regulator-max-microvolt = <950000>; 536 regulator-min-microvolt = <550000>; 537 regulator-name = "vdd_vdenc_s0"; 538 regulator-ramp-delay = <12500>; 539 regulator-state-mem { 540 regulator-off-in-suspend; 541 }; 542 }; 543 544 vdd_ddr_s0: dcdc-reg5 { 545 regulator-always-on; 546 regulator-boot-on; 547 regulator-min-microvolt = <750000>; 548 regulator-max-microvolt = <850000>; 549 regulator-ramp-delay = <12500>; 550 regulator-name = "vdd_ddr_s0"; 551 regulator-state-mem { 552 regulator-off-in-suspend; 553 regulator-suspend-microvolt = <850000>; 554 }; 555 }; 556 557 vdd2_ddr_s3: dcdc-reg6 { 558 regulator-always-on; 559 regulator-boot-on; 560 regulator-max-microvolt = <1100000>; 561 regulator-min-microvolt = <1100000>; 562 regulator-name = "vdd2_ddr_s3"; 563 regulator-state-mem { 564 regulator-on-in-suspend; 565 }; 566 }; 567 568 vcc_2v0_pldo_s3: dcdc-reg7 { 569 regulator-always-on; 570 regulator-boot-on; 571 regulator-max-microvolt = <2000000>; 572 regulator-min-microvolt = <2000000>; 573 regulator-name = "vdd_2v0_pldo_s3"; 574 regulator-state-mem { 575 regulator-on-in-suspend; 576 regulator-suspend-microvolt = <2000000>; 577 }; 578 }; 579 580 vcc_3v3_s3: dcdc-reg8 { 581 regulator-always-on; 582 regulator-boot-on; 583 regulator-max-microvolt = <3300000>; 584 regulator-min-microvolt = <3300000>; 585 regulator-name = "vcc_3v3_s3"; 586 regulator-state-mem { 587 regulator-on-in-suspend; 588 regulator-suspend-microvolt = <3300000>; 589 }; 590 }; 591 592 vddq_ddr_s0: dcdc-reg9 { 593 regulator-always-on; 594 regulator-boot-on; 595 regulator-max-microvolt = <600000>; 596 regulator-min-microvolt = <600000>; 597 regulator-name = "vddq_ddr_s0"; 598 regulator-state-mem { 599 regulator-off-in-suspend; 600 }; 601 }; 602 603 vcc_1v8_s3: dcdc-reg10 { 604 regulator-always-on; 605 regulator-boot-on; 606 regulator-max-microvolt = <1800000>; 607 regulator-min-microvolt = <1800000>; 608 regulator-name = "vcc_1v8_s3"; 609 regulator-state-mem { 610 regulator-on-in-suspend; 611 regulator-suspend-microvolt = <1800000>; 612 }; 613 }; 614 615 vcc_1v8_s0: pldo-reg1 { 616 regulator-always-on; 617 regulator-boot-on; 618 regulator-max-microvolt = <1800000>; 619 regulator-min-microvolt = <1800000>; 620 regulator-name = "vcc_1v8_s0"; 621 regulator-state-mem { 622 regulator-off-in-suspend; 623 }; 624 }; 625 626 vcca_1v8_s0: pldo-reg2 { 627 regulator-always-on; 628 regulator-boot-on; 629 regulator-max-microvolt = <1800000>; 630 regulator-min-microvolt = <1800000>; 631 regulator-name = "vcca_1v8_s0"; 632 regulator-state-mem { 633 regulator-off-in-suspend; 634 regulator-suspend-microvolt = <1800000>; 635 }; 636 }; 637 638 vdda_1v2_s0: pldo-reg3 { 639 regulator-always-on; 640 regulator-boot-on; 641 regulator-max-microvolt = <1200000>; 642 regulator-min-microvolt = <1200000>; 643 regulator-name = "vdda_1v2_s0"; 644 regulator-state-mem { 645 regulator-off-in-suspend; 646 }; 647 }; 648 649 vcca_3v3_s0: pldo-reg4 { 650 regulator-always-on; 651 regulator-boot-on; 652 regulator-max-microvolt = <3300000>; 653 regulator-min-microvolt = <3300000>; 654 regulator-name = "vcca_3v3_s0"; 655 regulator-state-mem { 656 regulator-off-in-suspend; 657 }; 658 }; 659 660 vccio_sd_s0: pldo-reg5 { 661 regulator-always-on; 662 regulator-boot-on; 663 regulator-max-microvolt = <3300000>; 664 regulator-min-microvolt = <1800000>; 665 regulator-name = "vccio_sd_s0"; 666 regulator-state-mem { 667 regulator-off-in-suspend; 668 }; 669 }; 670 671 vcc_1v8_s3_pldo6: pldo-reg6 { 672 regulator-always-on; 673 regulator-boot-on; 674 regulator-max-microvolt = <1800000>; 675 regulator-min-microvolt = <1800000>; 676 regulator-name = "vcc_1v8_s3_pldo6"; 677 regulator-state-mem { 678 regulator-on-in-suspend; 679 regulator-suspend-microvolt = <1800000>; 680 }; 681 }; 682 683 vdd_0v75_s3: nldo-reg1 { 684 regulator-always-on; 685 regulator-boot-on; 686 regulator-max-microvolt = <750000>; 687 regulator-min-microvolt = <750000>; 688 regulator-name = "vdd_0v75_s3"; 689 regulator-state-mem { 690 regulator-on-in-suspend; 691 regulator-suspend-microvolt = <750000>; 692 }; 693 }; 694 695 vdda_ddr_pll_s0: nldo-reg2 { 696 regulator-always-on; 697 regulator-boot-on; 698 regulator-max-microvolt = <850000>; 699 regulator-min-microvolt = <850000>; 700 regulator-name = "vdda_ddr_pll_s0"; 701 regulator-state-mem { 702 regulator-off-in-suspend; 703 regulator-suspend-microvolt = <850000>; 704 }; 705 }; 706 707 avdd_0v75_s0: nldo-reg3 { 708 regulator-always-on; 709 regulator-boot-on; 710 regulator-max-microvolt = <750000>; 711 regulator-min-microvolt = <750000>; 712 regulator-name = "avdd_0v75_s0"; 713 regulator-state-mem { 714 regulator-off-in-suspend; 715 }; 716 }; 717 718 vdda_0v85_s0: nldo-reg4 { 719 regulator-always-on; 720 regulator-boot-on; 721 regulator-min-microvolt = <850000>; 722 regulator-max-microvolt = <850000>; 723 regulator-name = "vdda_0v85_s0"; 724 regulator-state-mem { 725 regulator-off-in-suspend; 726 }; 727 }; 728 729 /* Schematics show not in use */ 730 nldo-reg5 { 731 }; 732 }; 733 }; 734}; 735 736&tsadc { 737 status = "okay"; 738}; 739 740&uart2 { 741 pinctrl-0 = <&uart2m0_xfer>; 742 status = "okay"; 743}; 744 745/* DMA seems to interfere with bluetooth device normal operation. */ 746&uart9 { 747 pinctrl-0 = <&uart9m2_xfer>, <&uart9m2_ctsn>, <&uart9m2_rtsn>; 748 pinctrl-names = "default"; 749 /delete-property/ dma-names; 750 /delete-property/ dmas; 751 uart-has-rtscts; 752 status = "okay"; 753 754 bluetooth { 755 compatible = "realtek,rtl8821cs-bt", 756 "realtek,rtl8723bs-bt"; 757 device-wake-gpios = <&gpio0 RK_PC6 GPIO_ACTIVE_HIGH>; 758 enable-gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_HIGH>; 759 host-wake-gpios = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>; 760 pinctrl-0 = <&bt_reset>, <&bt_wake_dev>, <&bt_wake_host>; 761 pinctrl-names = "default"; 762 }; 763}; 764