1// SPDX-License-Identifier: BSD-3-Clause 2/* 3 * Copyright (c) 2021, The Linux Foundation. All rights reserved. 4 * Copyright (c) 2022, Linaro Limited 5 */ 6 7/dts-v1/; 8 9#include <dt-bindings/gpio/gpio.h> 10#include <dt-bindings/regulator/qcom,rpmh-regulator.h> 11#include <dt-bindings/spmi/spmi.h> 12#include <dt-bindings/pinctrl/qcom,pmic-gpio.h> 13 14#include "sa8540p.dtsi" 15#include "sa8540p-pmics.dtsi" 16 17/ { 18 model = "Qualcomm SA8295P ADP"; 19 compatible = "qcom,sa8295p-adp", "qcom,sa8540p"; 20 21 aliases { 22 serial0 = &uart17; 23 }; 24 25 chosen { 26 stdout-path = "serial0:115200n8"; 27 }; 28 29 dp2-connector { 30 compatible = "dp-connector"; 31 label = "DP2"; 32 type = "mini"; 33 34 hpd-gpios = <&tlmm 20 GPIO_ACTIVE_HIGH>; 35 36 port { 37 dp2_connector_in: endpoint { 38 remote-endpoint = <&mdss1_dp0_out>; 39 }; 40 }; 41 }; 42 43 dp3-connector { 44 compatible = "dp-connector"; 45 label = "DP3"; 46 type = "mini"; 47 48 hpd-gpios = <&tlmm 45 GPIO_ACTIVE_HIGH>; 49 50 port { 51 dp3_connector_in: endpoint { 52 remote-endpoint = <&mdss1_dp1_out>; 53 }; 54 }; 55 }; 56 57 edp0-connector { 58 compatible = "dp-connector"; 59 label = "EDP0"; 60 type = "mini"; 61 62 hpd-gpios = <&tlmm 2 GPIO_ACTIVE_HIGH>; 63 64 port { 65 edp0_connector_in: endpoint { 66 remote-endpoint = <&mdss0_dp2_out>; 67 }; 68 }; 69 }; 70 71 edp1-connector { 72 compatible = "dp-connector"; 73 label = "EDP1"; 74 type = "mini"; 75 76 hpd-gpios = <&tlmm 3 GPIO_ACTIVE_HIGH>; 77 78 port { 79 edp1_connector_in: endpoint { 80 remote-endpoint = <&mdss0_dp3_out>; 81 }; 82 }; 83 }; 84 85 edp2-connector { 86 compatible = "dp-connector"; 87 label = "EDP2"; 88 type = "mini"; 89 90 hpd-gpios = <&tlmm 7 GPIO_ACTIVE_HIGH>; 91 92 port { 93 edp2_connector_in: endpoint { 94 remote-endpoint = <&mdss1_dp2_out>; 95 }; 96 }; 97 }; 98 99 edp3-connector { 100 compatible = "dp-connector"; 101 label = "EDP3"; 102 type = "mini"; 103 104 hpd-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>; 105 106 port { 107 edp3_connector_in: endpoint { 108 remote-endpoint = <&mdss1_dp3_out>; 109 }; 110 }; 111 }; 112 113 regulator-usb2-vbus { 114 compatible = "regulator-fixed"; 115 regulator-name = "USB2_VBUS"; 116 gpio = <&pmm8540c_gpios 9 GPIO_ACTIVE_HIGH>; 117 pinctrl-0 = <&usb2_en>; 118 pinctrl-names = "default"; 119 enable-active-high; 120 regulator-always-on; 121 }; 122 123 regulator-usb3-vbus { 124 compatible = "regulator-fixed"; 125 regulator-name = "USB3_VBUS"; 126 gpio = <&pmm8540e_gpios 5 GPIO_ACTIVE_HIGH>; 127 pinctrl-0 = <&usb3_en>; 128 pinctrl-names = "default"; 129 enable-active-high; 130 regulator-always-on; 131 }; 132 133 regulator-usb4-vbus { 134 compatible = "regulator-fixed"; 135 regulator-name = "USB4_VBUS"; 136 gpio = <&pmm8540g_gpios 5 GPIO_ACTIVE_HIGH>; 137 pinctrl-0 = <&usb4_en>; 138 pinctrl-names = "default"; 139 enable-active-high; 140 regulator-always-on; 141 }; 142 143 regulator-usb5-vbus { 144 compatible = "regulator-fixed"; 145 regulator-name = "USB5_VBUS"; 146 gpio = <&pmm8540g_gpios 9 GPIO_ACTIVE_HIGH>; 147 pinctrl-0 = <&usb5_en>; 148 pinctrl-names = "default"; 149 enable-active-high; 150 regulator-always-on; 151 }; 152 153 reserved-memory { 154 gpu_mem: gpu-mem@8bf00000 { 155 reg = <0 0x8bf00000 0 0x2000>; 156 no-map; 157 }; 158 }; 159}; 160 161&apps_rsc { 162 regulators-0 { 163 compatible = "qcom,pm8150-rpmh-regulators"; 164 qcom,pmic-id = "a"; 165 166 vreg_l3a: ldo3 { 167 regulator-name = "vreg_l3a"; 168 regulator-min-microvolt = <1200000>; 169 regulator-max-microvolt = <1208000>; 170 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 171 }; 172 173 vreg_l5a: ldo5 { 174 regulator-name = "vreg_l5a"; 175 regulator-min-microvolt = <912000>; 176 regulator-max-microvolt = <912000>; 177 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 178 }; 179 180 vreg_l7a: ldo7 { 181 regulator-name = "vreg_l7a"; 182 regulator-min-microvolt = <1800000>; 183 regulator-max-microvolt = <1800000>; 184 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 185 }; 186 187 vreg_l13a: ldo13 { 188 regulator-name = "vreg_l13a"; 189 regulator-min-microvolt = <3072000>; 190 regulator-max-microvolt = <3072000>; 191 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 192 }; 193 194 vreg_l11a: ldo11 { 195 regulator-name = "vreg_l11a"; 196 regulator-min-microvolt = <880000>; 197 regulator-max-microvolt = <880000>; 198 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 199 }; 200 }; 201 202 regulators-1 { 203 compatible = "qcom,pm8150-rpmh-regulators"; 204 qcom,pmic-id = "c"; 205 206 vreg_l1c: ldo1 { 207 regulator-name = "vreg_l1c"; 208 regulator-min-microvolt = <912000>; 209 regulator-max-microvolt = <912000>; 210 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 211 }; 212 213 vreg_l2c: ldo2 { 214 regulator-name = "vreg_l2c"; 215 regulator-min-microvolt = <3072000>; 216 regulator-max-microvolt = <3072000>; 217 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 218 }; 219 220 vreg_l3c: ldo3 { 221 regulator-name = "vreg_l3c"; 222 regulator-min-microvolt = <1200000>; 223 regulator-max-microvolt = <1200000>; 224 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 225 regulator-allow-set-load; 226 regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM 227 RPMH_REGULATOR_MODE_HPM>; 228 }; 229 230 vreg_l4c: ldo4 { 231 regulator-name = "vreg_l4c"; 232 regulator-min-microvolt = <1200000>; 233 regulator-max-microvolt = <1208000>; 234 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 235 }; 236 237 vreg_l6c: ldo6 { 238 regulator-name = "vreg_l6c"; 239 regulator-min-microvolt = <1200000>; 240 regulator-max-microvolt = <1200000>; 241 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 242 regulator-allow-set-load; 243 regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM 244 RPMH_REGULATOR_MODE_HPM>; 245 }; 246 247 vreg_l7c: ldo7 { 248 regulator-name = "vreg_l7c"; 249 regulator-min-microvolt = <1800000>; 250 regulator-max-microvolt = <1800000>; 251 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 252 }; 253 254 vreg_l10c: ldo10 { 255 regulator-name = "vreg_l10c"; 256 regulator-min-microvolt = <2504000>; 257 regulator-max-microvolt = <2504000>; 258 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 259 regulator-allow-set-load; 260 regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM 261 RPMH_REGULATOR_MODE_HPM>; 262 }; 263 264 vreg_l17c: ldo17 { 265 regulator-name = "vreg_l17c"; 266 regulator-min-microvolt = <2504000>; 267 regulator-max-microvolt = <2504000>; 268 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 269 regulator-allow-set-load; 270 regulator-allowed-modes = <RPMH_REGULATOR_MODE_LPM 271 RPMH_REGULATOR_MODE_HPM>; 272 }; 273 }; 274 275 regulators-2 { 276 compatible = "qcom,pm8150-rpmh-regulators"; 277 qcom,pmic-id = "g"; 278 279 vreg_l3g: ldo3 { 280 regulator-name = "vreg_l3g"; 281 regulator-min-microvolt = <1200000>; 282 regulator-max-microvolt = <1200000>; 283 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 284 }; 285 286 vreg_l7g: ldo7 { 287 regulator-name = "vreg_l7g"; 288 regulator-min-microvolt = <1800000>; 289 regulator-max-microvolt = <1800000>; 290 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 291 }; 292 293 vreg_l8g: ldo8 { 294 regulator-name = "vreg_l8g"; 295 regulator-min-microvolt = <912000>; 296 regulator-max-microvolt = <912000>; 297 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 298 }; 299 300 vreg_l11g: ldo11 { 301 regulator-name = "vreg_l11g"; 302 regulator-min-microvolt = <912000>; 303 regulator-max-microvolt = <912000>; 304 regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 305 }; 306 }; 307}; 308 309&dispcc0 { 310 status = "okay"; 311}; 312 313&dispcc1 { 314 status = "okay"; 315}; 316 317&i2c12 { 318 pinctrl-0 = <&qup1_i2c4_state>; 319 pinctrl-names = "default"; 320 321 status = "okay"; 322 323 vdd_gfx: regulator@39 { 324 compatible = "maxim,max20411"; 325 reg = <0x39>; 326 327 regulator-min-microvolt = <800000>; 328 regulator-max-microvolt = <800000>; 329 330 enable-gpios = <&pmm8540a_gpios 2 GPIO_ACTIVE_HIGH>; 331 332 pinctrl-0 = <&max20411_en>; 333 pinctrl-names = "default"; 334 }; 335}; 336 337&gpucc { 338 vdd-gfx-supply = <&vdd_gfx>; 339 status = "okay"; 340}; 341 342&gmu { 343 status = "okay"; 344}; 345 346&gpu { 347 status = "okay"; 348 349 zap-shader { 350 memory-region = <&gpu_mem>; 351 firmware-name = "qcom/sa8295p/a690_zap.mbn"; 352 }; 353}; 354 355&gpu_smmu { 356 status = "okay"; 357}; 358 359&mdss0 { 360 status = "okay"; 361}; 362 363&mdss0_dp2 { 364 status = "okay"; 365}; 366 367&mdss0_dp2_out { 368 data-lanes = <0 1 2 3>; 369 remote-endpoint = <&edp0_connector_in>; 370}; 371 372&mdss0_dp2_phy { 373 vdda-phy-supply = <&vreg_l8g>; 374 vdda-pll-supply = <&vreg_l3g>; 375 376 status = "okay"; 377}; 378 379&mdss0_dp3 { 380 status = "okay"; 381}; 382 383&mdss0_dp3_out { 384 data-lanes = <0 1 2 3>; 385 remote-endpoint = <&edp1_connector_in>; 386}; 387 388&mdss0_dp3_phy { 389 vdda-phy-supply = <&vreg_l8g>; 390 vdda-pll-supply = <&vreg_l3g>; 391 392 status = "okay"; 393}; 394 395&mdss1 { 396 status = "okay"; 397}; 398 399&mdss1_dp0 { 400 status = "okay"; 401}; 402 403&mdss1_dp0_out { 404 data-lanes = <0 1 2 3>; 405 remote-endpoint = <&dp2_connector_in>; 406}; 407 408&mdss1_dp0_phy { 409 vdda-phy-supply = <&vreg_l11g>; 410 vdda-pll-supply = <&vreg_l3g>; 411 412 status = "okay"; 413}; 414 415&mdss1_dp1 { 416 status = "okay"; 417}; 418 419&mdss1_dp1_out { 420 data-lanes = <0 1 2 3>; 421 remote-endpoint = <&dp3_connector_in>; 422}; 423 424&mdss1_dp1_phy { 425 vdda-phy-supply = <&vreg_l11g>; 426 vdda-pll-supply = <&vreg_l3g>; 427 428 status = "okay"; 429}; 430 431&mdss1_dp2 { 432 status = "okay"; 433}; 434 435&mdss1_dp2_out { 436 data-lanes = <0 1 2 3>; 437 remote-endpoint = <&edp2_connector_in>; 438}; 439 440&mdss1_dp2_phy { 441 vdda-phy-supply = <&vreg_l11g>; 442 vdda-pll-supply = <&vreg_l3g>; 443 444 status = "okay"; 445}; 446 447&mdss1_dp3 { 448 status = "okay"; 449}; 450 451&mdss1_dp3_out { 452 data-lanes = <0 1 2 3>; 453 remote-endpoint = <&edp3_connector_in>; 454}; 455 456&mdss1_dp3_phy { 457 vdda-phy-supply = <&vreg_l11g>; 458 vdda-pll-supply = <&vreg_l3g>; 459 460 status = "okay"; 461}; 462 463&pcie2a { 464 perst-gpios = <&tlmm 143 GPIO_ACTIVE_LOW>; 465 wake-gpios = <&tlmm 145 GPIO_ACTIVE_LOW>; 466 467 pinctrl-names = "default"; 468 pinctrl-0 = <&pcie2a_default>; 469 470 status = "okay"; 471}; 472 473&pcie2a_phy { 474 vdda-phy-supply = <&vreg_l11a>; 475 vdda-pll-supply = <&vreg_l3a>; 476 477 status = "okay"; 478}; 479 480&pcie3a { 481 num-lanes = <2>; 482 483 perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>; 484 wake-gpios = <&tlmm 56 GPIO_ACTIVE_LOW>; 485 486 pinctrl-names = "default"; 487 pinctrl-0 = <&pcie3a_default>; 488 489 status = "okay"; 490}; 491 492&pcie3a_phy { 493 vdda-phy-supply = <&vreg_l11a>; 494 vdda-pll-supply = <&vreg_l3a>; 495 496 status = "okay"; 497}; 498 499&pcie3b { 500 perst-gpios = <&tlmm 153 GPIO_ACTIVE_LOW>; 501 wake-gpios = <&tlmm 130 GPIO_ACTIVE_LOW>; 502 503 pinctrl-names = "default"; 504 pinctrl-0 = <&pcie3b_default>; 505 506 status = "okay"; 507}; 508 509&pcie3b_phy { 510 vdda-phy-supply = <&vreg_l11a>; 511 vdda-pll-supply = <&vreg_l3a>; 512 513 status = "okay"; 514}; 515 516&pcie4 { 517 perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>; 518 wake-gpios = <&tlmm 139 GPIO_ACTIVE_LOW>; 519 520 pinctrl-names = "default"; 521 pinctrl-0 = <&pcie4_default>; 522 523 status = "okay"; 524}; 525 526&pcie4_phy { 527 vdda-phy-supply = <&vreg_l11a>; 528 vdda-pll-supply = <&vreg_l3a>; 529 530 status = "okay"; 531}; 532 533&qup1 { 534 status = "okay"; 535}; 536 537&qup2 { 538 status = "okay"; 539}; 540 541&remoteproc_adsp { 542 firmware-name = "qcom/sa8540p/adsp.mbn"; 543 status = "okay"; 544}; 545 546&remoteproc_nsp0 { 547 firmware-name = "qcom/sa8540p/cdsp.mbn"; 548 status = "okay"; 549}; 550 551&remoteproc_nsp1 { 552 firmware-name = "qcom/sa8540p/cdsp1.mbn"; 553 status = "okay"; 554}; 555 556&uart17 { 557 compatible = "qcom,geni-debug-uart"; 558 status = "okay"; 559}; 560 561&ufs_mem_hc { 562 reset-gpios = <&tlmm 228 GPIO_ACTIVE_LOW>; 563 564 vcc-supply = <&vreg_l17c>; 565 vcc-max-microamp = <800000>; 566 vccq-supply = <&vreg_l6c>; 567 vccq-max-microamp = <900000>; 568 569 status = "okay"; 570}; 571 572&ufs_mem_phy { 573 vdda-phy-supply = <&vreg_l8g>; 574 vdda-pll-supply = <&vreg_l3g>; 575 576 status = "okay"; 577}; 578 579&ufs_card_hc { 580 reset-gpios = <&tlmm 229 GPIO_ACTIVE_LOW>; 581 582 vcc-supply = <&vreg_l10c>; 583 vcc-max-microamp = <800000>; 584 vccq-supply = <&vreg_l3c>; 585 vccq-max-microamp = <900000>; 586 587 status = "okay"; 588}; 589 590&ufs_card_phy { 591 vdda-phy-supply = <&vreg_l8g>; 592 vdda-pll-supply = <&vreg_l3g>; 593 594 status = "okay"; 595}; 596 597&usb_0 { 598 status = "okay"; 599}; 600 601&usb_0_dwc3 { 602 /* TODO: Define USB-C connector properly */ 603 dr_mode = "peripheral"; 604}; 605 606&usb_0_hsphy { 607 vdda-pll-supply = <&vreg_l5a>; 608 vdda18-supply = <&vreg_l7a>; 609 vdda33-supply = <&vreg_l13a>; 610 611 status = "okay"; 612}; 613 614&usb_0_qmpphy { 615 vdda-phy-supply = <&vreg_l3a>; 616 vdda-pll-supply = <&vreg_l5a>; 617 618 status = "okay"; 619}; 620 621&usb_1 { 622 status = "okay"; 623}; 624 625&usb_1_dwc3 { 626 /* TODO: Define USB-C connector properly */ 627 dr_mode = "host"; 628}; 629 630&usb_1_hsphy { 631 vdda-pll-supply = <&vreg_l1c>; 632 vdda18-supply = <&vreg_l7c>; 633 vdda33-supply = <&vreg_l2c>; 634 635 status = "okay"; 636}; 637 638&usb_1_qmpphy { 639 vdda-phy-supply = <&vreg_l4c>; 640 vdda-pll-supply = <&vreg_l1c>; 641 642 status = "okay"; 643}; 644 645&usb_2 { 646 status = "okay"; 647}; 648 649&usb_2_hsphy0 { 650 vdda-pll-supply = <&vreg_l5a>; 651 vdda18-supply = <&vreg_l7g>; 652 vdda33-supply = <&vreg_l13a>; 653 654 status = "okay"; 655}; 656 657&usb_2_hsphy1 { 658 vdda-pll-supply = <&vreg_l5a>; 659 vdda18-supply = <&vreg_l7g>; 660 vdda33-supply = <&vreg_l13a>; 661 662 status = "okay"; 663}; 664 665&usb_2_hsphy2 { 666 vdda-pll-supply = <&vreg_l5a>; 667 vdda18-supply = <&vreg_l7g>; 668 vdda33-supply = <&vreg_l13a>; 669 670 status = "okay"; 671}; 672 673&usb_2_hsphy3 { 674 vdda-pll-supply = <&vreg_l5a>; 675 vdda18-supply = <&vreg_l7g>; 676 vdda33-supply = <&vreg_l13a>; 677 678 status = "okay"; 679}; 680 681&usb_2_qmpphy0 { 682 vdda-phy-supply = <&vreg_l3a>; 683 vdda-pll-supply = <&vreg_l5a>; 684 685 status = "okay"; 686}; 687 688&usb_2_qmpphy1 { 689 vdda-phy-supply = <&vreg_l3a>; 690 vdda-pll-supply = <&vreg_l5a>; 691 692 status = "okay"; 693}; 694 695&xo_board_clk { 696 clock-frequency = <38400000>; 697}; 698 699/* PINCTRL */ 700 701&pmm8540a_gpios { 702 max20411_en: max20411-en-state { 703 pins = "gpio2"; 704 function = "normal"; 705 output-enable; 706 }; 707}; 708 709&pmm8540c_gpios { 710 usb2_en: usb2-en-state { 711 pins = "gpio9"; 712 function = "normal"; 713 qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>; 714 output-enable; 715 power-source = <0>; 716 }; 717}; 718 719&pmm8540e_gpios { 720 usb3_en: usb3-en-state { 721 pins = "gpio5"; 722 function = "normal"; 723 qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>; 724 output-enable; 725 power-source = <0>; 726 }; 727}; 728 729&pmm8540g_gpios { 730 usb4_en: usb4-en-state { 731 pins = "gpio5"; 732 function = "normal"; 733 qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>; 734 output-enable; 735 power-source = <0>; 736 }; 737 738 usb5_en: usb5-en-state { 739 pins = "gpio9"; 740 function = "normal"; 741 qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>; 742 output-enable; 743 power-source = <0>; 744 }; 745}; 746 747&tlmm { 748 pcie2a_default: pcie2a-default-state { 749 clkreq-n-pins { 750 pins = "gpio142"; 751 function = "pcie2a_clkreq"; 752 drive-strength = <2>; 753 bias-pull-up; 754 }; 755 756 perst-n-pins { 757 pins = "gpio143"; 758 function = "gpio"; 759 drive-strength = <2>; 760 bias-pull-down; 761 }; 762 763 wake-n-pins { 764 pins = "gpio145"; 765 function = "gpio"; 766 drive-strength = <2>; 767 bias-pull-up; 768 }; 769 }; 770 771 pcie3a_default: pcie3a-default-state { 772 clkreq-n-pins { 773 pins = "gpio150"; 774 function = "pcie3a_clkreq"; 775 drive-strength = <2>; 776 bias-pull-up; 777 }; 778 779 perst-n-pins { 780 pins = "gpio151"; 781 function = "gpio"; 782 drive-strength = <2>; 783 bias-pull-down; 784 }; 785 786 wake-n-pins { 787 pins = "gpio56"; 788 function = "gpio"; 789 drive-strength = <2>; 790 bias-pull-up; 791 }; 792 }; 793 794 pcie3b_default: pcie3b-default-state { 795 clkreq-n-pins { 796 pins = "gpio152"; 797 function = "pcie3b_clkreq"; 798 drive-strength = <2>; 799 bias-pull-up; 800 }; 801 802 perst-n-pins { 803 pins = "gpio153"; 804 function = "gpio"; 805 drive-strength = <2>; 806 bias-pull-down; 807 }; 808 809 wake-n-pins { 810 pins = "gpio130"; 811 function = "gpio"; 812 drive-strength = <2>; 813 bias-pull-up; 814 }; 815 }; 816 817 pcie4_default: pcie4-default-state { 818 clkreq-n-pins { 819 pins = "gpio140"; 820 function = "pcie4_clkreq"; 821 drive-strength = <2>; 822 bias-pull-up; 823 }; 824 825 perst-n-pins { 826 pins = "gpio141"; 827 function = "gpio"; 828 drive-strength = <2>; 829 bias-pull-down; 830 }; 831 832 wake-n-pins { 833 pins = "gpio139"; 834 function = "gpio"; 835 drive-strength = <2>; 836 bias-pull-up; 837 }; 838 }; 839 840 qup1_i2c4_state: qup1-i2c4-state { 841 pins = "gpio0", "gpio1"; 842 function = "qup12"; 843 drive-strength = <2>; 844 bias-pull-up; 845 }; 846}; 847