1// SPDX-License-Identifier: BSD-3-Clause 2/* 3 * Copyright (c) 2020, Yassine Oudjana <y.oudjana@protonmail.com> 4 */ 5 6/dts-v1/; 7 8#include "msm8996.dtsi" 9#include "pm8994.dtsi" 10#include "pmi8994.dtsi" 11#include <dt-bindings/input/input.h> 12#include <dt-bindings/gpio/gpio.h> 13#include <dt-bindings/leds/common.h> 14#include <dt-bindings/pinctrl/qcom,pmic-gpio.h> 15 16/ { 17 clocks { 18 compatible = "simple-bus"; 19 20 divclk1_cdc: divclk1 { 21 compatible = "gpio-gate-clock"; 22 clocks = <&rpmcc RPM_SMD_DIV_CLK1>; 23 #clock-cells = <0>; 24 enable-gpios = <&pm8994_gpios 15 GPIO_ACTIVE_HIGH>; 25 26 pinctrl-names = "default"; 27 pinctrl-0 = <&divclk1_default>; 28 }; 29 30 divclk4: divclk4 { 31 compatible = "fixed-clock"; 32 #clock-cells = <0>; 33 clock-frequency = <32768>; 34 clock-output-names = "divclk4"; 35 36 pinctrl-names = "default"; 37 pinctrl-0 = <&divclk4_pin_a>; 38 }; 39 }; 40 41 gpio-keys { 42 compatible = "gpio-keys"; 43 44 key-vol-up { 45 label = "Volume Up"; 46 gpios = <&pm8994_gpios 2 GPIO_ACTIVE_LOW>; 47 linux,code = <KEY_VOLUMEUP>; 48 wakeup-source; 49 debounce-interval = <15>; 50 }; 51 52 key-dome { 53 label = "Home"; 54 gpios = <&tlmm 34 GPIO_ACTIVE_LOW>; 55 linux,code = <KEY_HOME>; 56 wakeup-source; 57 debounce-interval = <15>; 58 }; 59 }; 60 61 irled { 62 compatible = "pwm-ir-tx"; 63 pwms = <&pm8994_lpg 1 1000000>; 64 65 pinctrl-names = "default"; 66 pinctrl-0 = <&irled_default>; 67 }; 68 69 reserved-memory { 70 memory@88800000 { 71 reg = <0x0 0x88800000 0x0 0x1400000>; 72 no-map; 73 }; 74 75 /* This platform has all PIL regions offset by 0x1400000 */ 76 /delete-node/ mpss@88800000; 77 mpss_mem: mpss@89c00000 { 78 reg = <0x0 0x89c00000 0x0 0x6200000>; 79 no-map; 80 }; 81 82 /delete-node/ adsp@8ea00000; 83 adsp_mem: adsp@8fe00000 { 84 reg = <0x0 0x8fe00000 0x0 0x1b00000>; 85 no-map; 86 }; 87 88 /delete-node/ slpi@90500000; 89 slpi_mem: slpi@91900000 { 90 reg = <0x0 0x91900000 0x0 0xa00000>; 91 no-map; 92 }; 93 94 /delete-node/ gpu@90f00000; 95 gpu_mem: gpu@92300000 { 96 compatible = "shared-dma-pool"; 97 reg = <0x0 0x92300000 0x0 0x2000>; 98 no-map; 99 }; 100 101 /delete-node/ venus@91000000; 102 venus_mem: venus@92400000 { 103 reg = <0x0 0x92400000 0x0 0x500000>; 104 no-map; 105 }; 106 107 ramoops@92900000 { 108 compatible = "ramoops"; 109 reg = <0x0 0x92900000 0x0 0x100000>; 110 no-map; 111 112 record-size = <0x8000>; 113 console-size = <0x80000>; 114 ftrace-size = <0x20000>; 115 pmsg-size = <0x40000>; 116 }; 117 118 /delete-node/ rmtfs; 119 rmtfs@f6c00000 { 120 compatible = "qcom,rmtfs-mem"; 121 reg = <0 0xf6c00000 0 0x200000>; 122 no-map; 123 124 qcom,client-id = <1>; 125 qcom,vmid = <15>; 126 }; 127 128 /delete-node/ mba@91500000; 129 mba_mem: mba@f6f00000 { 130 reg = <0x0 0xf6f00000 0x0 0x100000>; 131 no-map; 132 }; 133 }; 134 135 vph_pwr: vph-pwr-regulator { 136 compatible = "regulator-fixed"; 137 regulator-name = "vph_pwr"; 138 regulator-min-microvolt = <3800000>; 139 regulator-max-microvolt = <3800000>; 140 regulator-always-on; 141 regulator-boot-on; 142 }; 143 144 vdd_3v2_tp: vdd-3v2-tp { 145 compatible = "regulator-fixed"; 146 regulator-name = "vdd_3v2_tp"; 147 regulator-min-microvolt = <3200000>; 148 regulator-max-microvolt = <3200000>; 149 startup-delay-us = <4000>; 150 vin-supply = <&vph_pwr>; 151 152 gpio = <&tlmm 73 0>; 153 enable-active-high; 154 }; 155 156 vdd_3v3: rome-vreg { 157 compatible = "regulator-fixed"; 158 regulator-name = "vdd_3v3"; 159 regulator-min-microvolt = <3300000>; 160 regulator-max-microvolt = <3300000>; 161 startup-delay-us = <4000>; 162 vin-supply = <&vph_pwr_bbyp>; 163 164 gpio = <&pm8994_gpios 9 0>; 165 enable-active-high; 166 pinctrl-names = "default"; 167 pinctrl-0 = <&rome_enable_default>; 168 169 /* Required by QCA6174a - vddpe-3v3 */ 170 regulator-always-on; 171 }; 172 173 /* WL_EN pin defined as a fixed regulator */ 174 wlan_en: wlan-en-1-8v { 175 compatible = "regulator-fixed"; 176 regulator-name = "wlan-en-regulator"; 177 regulator-min-microvolt = <1800000>; 178 regulator-max-microvolt = <1800000>; 179 180 gpio = <&pm8994_gpios 8 0>; 181 /* WLAN card specific delay */ 182 startup-delay-us = <70000>; 183 enable-active-high; 184 pinctrl-names = "default"; 185 pinctrl-0 = <&wlan_en_default>; 186 }; 187}; 188 189&adsp_pil { 190 status = "okay"; 191}; 192 193&blsp2_i2c2 { 194 status = "okay"; 195 label = "NFC_I2C"; 196 clock-frequency = <400000>; 197 198 nfc: pn548@28 { 199 compatible = "nxp,nxp-nci-i2c"; 200 201 reg = <0x28>; 202 203 interrupt-parent = <&tlmm>; 204 interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; 205 206 enable-gpios = <&tlmm 12 GPIO_ACTIVE_HIGH>; 207 firmware-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>; 208 209 pinctrl-names = "default"; 210 pinctrl-0 = <&nfc_default>; 211 }; 212}; 213 214&blsp2_i2c3 { 215 status = "okay"; 216 label = "TYPEC_I2C"; 217 218 typec: tusb320l@47 { 219 compatible = "ti,tusb320l"; 220 reg = <0x47>; 221 interrupt-parent = <&tlmm>; 222 interrupts = <63 IRQ_TYPE_EDGE_RISING>; 223 }; 224}; 225 226&blsp2_i2c6 { 227 status = "okay"; 228 label = "MSM_TS_I2C"; 229}; 230 231&blsp1_uart2 { 232 status = "okay"; 233 label = "QCA_UART"; 234 235 bluetooth: qca6174a { 236 compatible = "qcom,qca6174-bt"; 237 238 enable-gpios = <&pm8994_gpios 19 GPIO_ACTIVE_HIGH>; 239 clocks = <&divclk4>; 240 }; 241}; 242 243&dsi0 { 244 status = "okay"; 245 246 vdd-supply = <&vreg_l2a_1p25>; 247 vddio-supply = <&vreg_l14a_1p8>; 248 249 pinctrl-names = "default", "sleep"; 250 pinctrl-0 = <&mdss_dsi_default &mdss_te_default>; 251 pinctrl-1 = <&mdss_dsi_sleep &mdss_te_sleep>; 252}; 253 254&dsi0_out { 255 status = "okay"; 256 257 data-lanes = <0 1 2 3>; 258}; 259 260&dsi0_phy { 261 status = "okay"; 262 263 vcca-supply = <&vreg_l28a_0p925>; 264}; 265 266&gpu { 267 status = "okay"; 268}; 269 270&mdss { 271 status = "okay"; 272}; 273 274&mmcc { 275 vdd-gfx-supply = <&vdd_gfx>; 276}; 277 278&mss_pil { 279 status = "okay"; 280 281 pll-supply = <&vreg_l12a_1p8>; 282}; 283 284&pcie0 { 285 status = "okay"; 286 287 /* Supplied by vdd_3v3, but choose wlan_en to drive enable pin high */ 288 vddpe-3v3-supply = <&wlan_en>; 289 vdda-supply = <&vreg_l28a_0p925>; 290 291 perst-gpios = <&tlmm 35 GPIO_ACTIVE_LOW>; 292 wake-gpios = <&tlmm 37 GPIO_ACTIVE_HIGH>; 293}; 294 295&pcie_phy { 296 status = "okay"; 297 298 vdda-phy-supply = <&vreg_l28a_0p925>; 299 vdda-pll-supply = <&vreg_l12a_1p8>; 300}; 301 302&pm8994_resin { 303 status = "okay"; 304 305 linux,code = <KEY_VOLUMEDOWN>; 306}; 307 308&pm8994_lpg { 309 status = "okay"; 310 311 qcom,power-source = <1>; 312}; 313 314&pmi8994_lpg { 315 status = "okay"; 316 317 qcom,power-source = <1>; 318 319 multi-led { 320 color = <LED_COLOR_ID_RGB>; 321 function = LED_FUNCTION_STATUS; 322 323 #address-cells = <1>; 324 #size-cells = <0>; 325 326 led@1 { 327 reg = <1>; 328 color = <LED_COLOR_ID_BLUE>; 329 }; 330 331 led@2 { 332 reg = <2>; 333 color = <LED_COLOR_ID_GREEN>; 334 }; 335 336 led@3 { 337 reg = <3>; 338 color = <LED_COLOR_ID_RED>; 339 }; 340 }; 341}; 342 343&slpi_pil { 344 status = "okay"; 345 346 px-supply = <&vreg_lvs2a_1p8>; 347}; 348 349&usb3 { 350 status = "okay"; 351 extcon = <&typec>; 352 353 qcom,select-utmi-as-pipe-clk; 354}; 355 356&usb3_dwc3 { 357 extcon = <&typec>; 358 359 /* usb3-phy is not used on this device */ 360 phys = <&hsusb_phy1>; 361 phy-names = "usb2-phy"; 362 363 maximum-speed = "high-speed"; 364 snps,is-utmi-l1-suspend; 365 snps,usb2-gadget-lpm-disable; 366 snps,hird-threshold = /bits/ 8 <0>; 367}; 368 369&hsusb_phy1 { 370 status = "okay"; 371 extcon = <&typec>; 372 373 vdda-pll-supply = <&vreg_l12a_1p8>; 374 vdda-phy-dpdm-supply = <&vreg_l24a_3p075>; 375}; 376 377&ufshc { 378 status = "okay"; 379 380 vcc-supply = <&vreg_l20a_2p95>; 381 vccq-supply = <&vreg_l25a_1p2>; 382 vccq2-supply = <&vreg_s4a_1p8>; 383 384 vcc-max-microamp = <600000>; 385 vccq-max-microamp = <450000>; 386 vccq2-max-microamp = <450000>; 387}; 388 389&ufsphy { 390 status = "okay"; 391 392 vdda-phy-supply = <&vreg_l28a_0p925>; 393 vdda-pll-supply = <&vreg_l12a_1p8>; 394 vddp-ref-clk-supply = <&vreg_l25a_1p2>; 395}; 396 397&venus { 398 status = "okay"; 399}; 400 401&wcd9335 { 402 clock-names = "mclk", "slimbus"; 403 clocks = <&divclk1_cdc>, 404 <&rpmcc RPM_SMD_BB_CLK1>; 405 406 vdd-buck-supply = <&vreg_s4a_1p8>; 407 vdd-buck-sido-supply = <&vreg_s4a_1p8>; 408 vdd-rx-supply = <&vreg_s4a_1p8>; 409 vdd-tx-supply = <&vreg_s4a_1p8>; 410 vdd-vbat-supply = <&vph_pwr>; 411 vdd-micbias-supply = <&vph_pwr_bbyp>; 412 vdd-io-supply = <&vreg_s4a_1p8>; 413}; 414 415&rpm_requests { 416 pm8994-regulators { 417 compatible = "qcom,rpm-pm8994-regulators"; 418 419 vdd_s1-supply = <&vph_pwr>; 420 vdd_s2-supply = <&vph_pwr>; 421 vdd_s3-supply = <&vph_pwr>; 422 vdd_s4-supply = <&vph_pwr>; 423 vdd_s5-supply = <&vph_pwr>; 424 vdd_s6-supply = <&vph_pwr>; 425 vdd_s7-supply = <&vph_pwr>; 426 vdd_s8-supply = <&vph_pwr>; 427 vdd_s9-supply = <&vph_pwr>; 428 vdd_s10-supply = <&vph_pwr>; 429 vdd_s11-supply = <&vph_pwr>; 430 vdd_s12-supply = <&vph_pwr>; 431 vdd_l1-supply = <&vreg_s1b_1p025>; 432 vdd_l2_l26_l28-supply = <&vreg_s3a_1p3>; 433 vdd_l3_l11-supply = <&vreg_s3a_1p3>; 434 vdd_l4_l27_l31-supply = <&vreg_s3a_1p3>; 435 vdd_l5_l7-supply = <&vreg_s5a_2p15>; 436 vdd_l6_l12_l32-supply = <&vreg_s5a_2p15>; 437 vdd_l8_l16_l30-supply = <&vph_pwr>; 438 vdd_l9_l10_l18_l22-supply = <&vph_pwr_bbyp>; 439 vdd_l13_l19_l23_l24-supply = <&vph_pwr_bbyp>; 440 vdd_l14_l15-supply = <&vreg_s5a_2p15>; 441 vdd_l17_l29-supply = <&vph_pwr_bbyp>; 442 vdd_l20_l21-supply = <&vph_pwr_bbyp>; 443 vdd_l25-supply = <&vreg_s3a_1p3>; 444 vdd_lvs1_2-supply = <&vreg_s4a_1p8>; 445 446 vreg_s3a_1p3: s3 { 447 regulator-name = "vreg_s3a_1p3"; 448 regulator-min-microvolt = <1300000>; 449 regulator-max-microvolt = <1300000>; 450 451 /* Required by QCA6174a - vdd-core */ 452 regulator-always-on; 453 }; 454 vreg_s4a_1p8: s4 { 455 regulator-name = "vreg_s4a_1p8"; 456 regulator-min-microvolt = <1800000>; 457 regulator-max-microvolt = <1800000>; 458 regulator-allow-set-load; 459 460 /* Required by QCA6174a - vddio */ 461 regulator-always-on; 462 }; 463 vreg_s5a_2p15: s5 { 464 regulator-name = "vreg_s5a_2p15"; 465 regulator-min-microvolt = <2150000>; 466 regulator-max-microvolt = <2150000>; 467 }; 468 vreg_s7a_0p8: s7 { 469 regulator-name = "vreg_s7a_0p8"; 470 regulator-min-microvolt = <800000>; 471 regulator-max-microvolt = <800000>; 472 }; 473 vreg_l1a_1p0: l1 { 474 regulator-name = "vreg_l1a_1p0"; 475 regulator-min-microvolt = <1000000>; 476 regulator-max-microvolt = <1000000>; 477 }; 478 vreg_l2a_1p25: l2 { 479 regulator-name = "vreg_l2a_1p25"; 480 regulator-min-microvolt = <1250000>; 481 regulator-max-microvolt = <1250000>; 482 }; 483 vreg_l4a_1p225: l4 { 484 regulator-name = "vreg_l4a_1p225"; 485 regulator-min-microvolt = <1225000>; 486 regulator-max-microvolt = <1225000>; 487 }; 488 vreg_l6a_1p8: l6 { 489 regulator-name = "vreg_l6a_1p8"; 490 regulator-min-microvolt = <1800000>; 491 regulator-max-microvolt = <1800000>; 492 }; 493 vreg_l8a_1p8: l8 { 494 regulator-name = "vreg_l8a_1p8"; 495 regulator-min-microvolt = <1800000>; 496 regulator-max-microvolt = <1800000>; 497 }; 498 vreg_l9a_1p8: l9 { 499 regulator-name = "vreg_l9a_1p8"; 500 regulator-min-microvolt = <1800000>; 501 regulator-max-microvolt = <1800000>; 502 }; 503 vreg_l10a_1p8: l10 { 504 regulator-name = "vreg_l10a_1p8"; 505 regulator-min-microvolt = <1800000>; 506 regulator-max-microvolt = <1800000>; 507 }; 508 vreg_l12a_1p8: l12 { 509 regulator-name = "vreg_l12a_1p8"; 510 regulator-min-microvolt = <1800000>; 511 regulator-max-microvolt = <1800000>; 512 regulator-allow-set-load; 513 }; 514 vreg_l13a_2p95: l13 { 515 regulator-name = "vreg_l13a_2p95"; 516 regulator-min-microvolt = <1800000>; 517 regulator-max-microvolt = <2950000>; 518 }; 519 vreg_l14a_1p8: l14 { 520 regulator-name = "vreg_l14a_1p8"; 521 regulator-min-microvolt = <1800000>; 522 regulator-max-microvolt = <1800000>; 523 }; 524 vreg_l15a_1p8: l15 { 525 regulator-name = "vreg_l15a_1p8"; 526 regulator-min-microvolt = <1800000>; 527 regulator-max-microvolt = <1800000>; 528 }; 529 vreg_l16a_2p7: l16 { 530 regulator-name = "vreg_l16a_2p7"; 531 regulator-min-microvolt = <2700000>; 532 regulator-max-microvolt = <2700000>; 533 }; 534 vreg_l19a_3p3: l19 { 535 regulator-name = "vreg_l19a_3p3"; 536 regulator-min-microvolt = <3000000>; 537 regulator-max-microvolt = <3000000>; 538 }; 539 vreg_l20a_2p95: l20 { 540 regulator-name = "vreg_l20a_2p95"; 541 regulator-min-microvolt = <2950000>; 542 regulator-max-microvolt = <2950000>; 543 regulator-allow-set-load; 544 }; 545 vreg_l21a_2p95: l21 { 546 regulator-name = "vreg_l21a_2p95"; 547 regulator-min-microvolt = <3300000>; 548 regulator-max-microvolt = <3300000>; 549 regulator-always-on; 550 }; 551 vreg_l23a_2p8: l23 { 552 regulator-name = "vreg_l23a_2p8"; 553 regulator-min-microvolt = <2800000>; 554 regulator-max-microvolt = <2800000>; 555 }; 556 vreg_l24a_3p075: l24 { 557 regulator-name = "vreg_l24a_3p075"; 558 regulator-min-microvolt = <3075000>; 559 regulator-max-microvolt = <3075000>; 560 }; 561 vreg_l25a_1p2: l25 { 562 regulator-name = "vreg_l25a_1p2"; 563 regulator-min-microvolt = <1200000>; 564 regulator-max-microvolt = <1200000>; 565 regulator-allow-set-load; 566 }; 567 vreg_l27a_1p2: l27 { 568 regulator-name = "vreg_l27a_1p2"; 569 regulator-min-microvolt = <1200000>; 570 regulator-max-microvolt = <1200000>; 571 }; 572 vreg_l28a_0p925: l28 { 573 regulator-name = "vreg_l28a_0p925"; 574 regulator-min-microvolt = <925000>; 575 regulator-max-microvolt = <925000>; 576 regulator-allow-set-load; 577 }; 578 vreg_l30a_1p8: l30 { 579 regulator-name = "vreg_l30a_1p8"; 580 regulator-min-microvolt = <1800000>; 581 regulator-max-microvolt = <1800000>; 582 583 /* Required by QCA6174a - vddio-xtal */ 584 regulator-always-on; 585 }; 586 vreg_l32a_1p8: l32 { 587 regulator-name = "vreg_l32a_1p8"; 588 regulator-min-microvolt = <1800000>; 589 regulator-max-microvolt = <1800000>; 590 }; 591 vreg_lvs1a_1p8: lvs1 { 592 regulator-min-microvolt = <1800000>; 593 regulator-max-microvolt = <1800000>; 594 }; 595 vreg_lvs2a_1p8: lvs2 { 596 regulator-min-microvolt = <1800000>; 597 regulator-max-microvolt = <1800000>; 598 }; 599 }; 600 601 pmi8994-regulators { 602 compatible = "qcom,rpm-pmi8994-regulators"; 603 604 vdd_s1-supply = <&vph_pwr>; 605 vdd_s2-supply = <&vph_pwr>; 606 vdd_s3-supply = <&vph_pwr>; 607 vdd_bst_byp-supply = <&vph_pwr>; 608 609 vreg_s1b_1p025: s1 { 610 regulator-name = "vreg_s1b_1p025"; 611 regulator-min-microvolt = <1025000>; 612 regulator-max-microvolt = <1025000>; 613 }; 614 615 vph_pwr_bbyp: boost-bypass { 616 regulator-name = "vph_pwr_bbyp"; 617 regulator-min-microvolt = <3150000>; 618 regulator-max-microvolt = <3600000>; 619 }; 620 }; 621}; 622 623&pm8994_spmi_regulators { 624 qcom,saw-reg = <&saw3>; 625 s8 { 626 qcom,saw-slave; 627 }; 628 s9 { 629 qcom,saw-slave; 630 }; 631 s10 { 632 qcom,saw-slave; 633 }; 634 vreg_apc_0p8: s11 { 635 qcom,saw-leader; 636 regulator-name = "vreg_apc_0p8"; 637 regulator-min-microvolt = <470000>; 638 regulator-max-microvolt = <1140000>; 639 regulator-max-step-microvolt = <150000>; 640 regulator-always-on; 641 }; 642}; 643 644&pmi8994_spmi_regulators { 645 vdd_gfx: s2 { 646 regulator-name = "vdd_gfx"; 647 regulator-min-microvolt = <400000>; 648 regulator-max-microvolt = <1015000>; 649 regulator-enable-ramp-delay = <500>; 650 }; 651}; 652 653&pm8994_gpios { 654 irled_default: irled-default-state { 655 pins = "gpio5"; 656 function = PMIC_GPIO_FUNC_FUNC1; 657 output-low; 658 qcom,drive-strength = <PMIC_GPIO_STRENGTH_HIGH>; 659 power-source = <PM8994_GPIO_S4>; 660 bias-disable; 661 }; 662 663 wlan_en_default: wlan-en-state { 664 pins = "gpio8"; 665 function = PMIC_GPIO_FUNC_NORMAL; 666 output-low; 667 qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>; 668 power-source = <PM8994_GPIO_S4>; 669 bias-disable; 670 }; 671 672 rome_enable_default: rome-enable-state { 673 pins = "gpio9"; 674 function = PMIC_GPIO_FUNC_NORMAL; 675 output-high; 676 qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>; 677 power-source = <PM8994_GPIO_VPH>; 678 }; 679 680 divclk1_default: divclk1-state { 681 pins = "gpio15"; 682 function = PMIC_GPIO_FUNC_FUNC1; 683 bias-disable; 684 power-source = <PM8994_GPIO_S4>; 685 qcom,drive-strength = <PMIC_GPIO_STRENGTH_LOW>; 686 }; 687 688 divclk4_pin_a: divclk4-state { 689 pins = "gpio18"; 690 function = PMIC_GPIO_FUNC_FUNC2; 691 bias-disable; 692 power-source = <PM8994_GPIO_S4>; 693 }; 694}; 695 696&tlmm { 697 mdss_dsi_default: mdss_dsi_default { 698 pins = "gpio8"; 699 function = "gpio"; 700 drive-strength = <8>; 701 bias-disable; 702 }; 703 704 mdss_dsi_sleep: mdss_dsi_sleep { 705 pins = "gpio8"; 706 function = "gpio"; 707 drive-strength = <2>; 708 bias-pull-down; 709 }; 710 711 mdss_te_default: mdss_te_default { 712 pins = "gpio10"; 713 function = "mdp_vsync"; 714 drive-strength = <2>; 715 bias-pull-down; 716 }; 717 718 mdss_te_sleep: mdss_te_sleep { 719 pins = "gpio10"; 720 function = "mdp_vsync"; 721 drive-strength = <2>; 722 bias-pull-down; 723 }; 724 725 nfc_default: nfc_default { 726 pins = "gpio12", "gpio21"; 727 function = "gpio"; 728 drive-strength = <16>; 729 bias-pull-up; 730 }; 731}; 732