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arm64: dts: qcom: sc8180x: Introduce Primus

Introduce support for the SC8180X reference device, aka Primus, with
debug UART, regulators, UFS and USB support.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230530162454.51708-15-vkoul@kernel.org

authored by

Bjorn Andersson and committed by
Bjorn Andersson 2ce38cc1 d3302290

+707
+1
arch/arm64/boot/dts/qcom/Makefile
··· 147 147 dtb-$(CONFIG_ARCH_QCOM) += sc7280-idp.dtb 148 148 dtb-$(CONFIG_ARCH_QCOM) += sc7280-idp2.dtb 149 149 dtb-$(CONFIG_ARCH_QCOM) += sc7280-crd-r3.dtb 150 + dtb-$(CONFIG_ARCH_QCOM) += sc8180x-primus.dtb 150 151 dtb-$(CONFIG_ARCH_QCOM) += sc8280xp-crd.dtb 151 152 dtb-$(CONFIG_ARCH_QCOM) += sc8280xp-lenovo-thinkpad-x13s.dtb 152 153 dtb-$(CONFIG_ARCH_QCOM) += sda660-inforce-ifc6560.dtb
+706
arch/arm64/boot/dts/qcom/sc8180x-primus.dts
··· 1 + // SPDX-License-Identifier: BSD-3-Clause 2 + /* 3 + * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved. 4 + * Copyright (c) 2020-2023, Linaro Limited 5 + */ 6 + 7 + /dts-v1/; 8 + 9 + #include <dt-bindings/gpio/gpio.h> 10 + #include <dt-bindings/input/gpio-keys.h> 11 + #include <dt-bindings/input/input.h> 12 + #include <dt-bindings/regulator/qcom,rpmh-regulator.h> 13 + #include "sc8180x.dtsi" 14 + #include "sc8180x-pmics.dtsi" 15 + 16 + / { 17 + model = "Qualcomm SC8180x Primus"; 18 + compatible = "qcom,sc8180x-primus", "qcom,sc8180x"; 19 + 20 + aliases { 21 + serial0 = &uart12; 22 + serial1 = &uart13; 23 + }; 24 + 25 + backlight: backlight { 26 + compatible = "pwm-backlight"; 27 + pwms = <&pmc8180c_lpg 4 1000000>; 28 + enable-gpios = <&pmc8180c_gpios 8 GPIO_ACTIVE_HIGH>; 29 + 30 + pinctrl-names = "default"; 31 + pinctrl-0 = <&bl_pwm_default>; 32 + }; 33 + 34 + chosen { 35 + stdout-path = "serial0:115200n8"; 36 + }; 37 + 38 + gpio-keys { 39 + compatible = "gpio-keys"; 40 + 41 + pinctrl-names = "default"; 42 + pinctrl-0 = <&hall_int_active_state>; 43 + 44 + lid-switch { 45 + gpios = <&tlmm 121 GPIO_ACTIVE_HIGH>; 46 + linux,input-type = <EV_SW>; 47 + linux,code = <SW_LID>; 48 + wakeup-source; 49 + wakeup-event-action = <EV_ACT_DEASSERTED>; 50 + }; 51 + }; 52 + 53 + reserved-memory { 54 + rmtfs_mem: rmtfs-region@85500000 { 55 + compatible = "qcom,rmtfs-mem"; 56 + reg = <0x0 0x85500000 0x0 0x200000>; 57 + no-map; 58 + 59 + qcom,client-id = <1>; 60 + qcom,vmid = <15>; 61 + }; 62 + 63 + wlan_mem: wlan-region@8bc00000 { 64 + reg = <0x0 0x8bc00000 0x0 0x180000>; 65 + no-map; 66 + }; 67 + 68 + adsp_mem: adsp-region@96e00000 { 69 + reg = <0x0 0x96e00000 0x0 0x1c00000>; 70 + no-map; 71 + }; 72 + 73 + mpss_mem: mpss-region@8d800000 { 74 + reg = <0x0 0x8d800000 0x0 0x9600000>; 75 + no-map; 76 + }; 77 + 78 + gpu_mem: gpu-region@98a00000 { 79 + reg = <0x0 0x98a00000 0x0 0x2000>; 80 + no-map; 81 + }; 82 + 83 + reserved-region@9a500000 { 84 + reg = <0x0 0x9a500000 0x0 0x600000>; 85 + no-map; 86 + }; 87 + }; 88 + 89 + vreg_nvme_0p9: nvme-0p9-regulator { 90 + compatible = "regulator-fixed"; 91 + regulator-name = "vreg_nvme_0p9"; 92 + 93 + regulator-min-microvolt = <900000>; 94 + regulator-max-microvolt = <900000>; 95 + 96 + regulator-always-on; 97 + }; 98 + 99 + vreg_nvme_3p3: nvme-3p3-regulator { 100 + compatible = "regulator-fixed"; 101 + regulator-name = "vreg_nvme_3p3"; 102 + 103 + regulator-min-microvolt = <3300000>; 104 + regulator-max-microvolt = <3300000>; 105 + 106 + gpio = <&pmc8180c_gpios 11 0>; 107 + enable-active-high; 108 + 109 + regulator-always-on; 110 + }; 111 + 112 + vdd_kb_tp_3v3: vdd-kb-tp-3v3-regulator { 113 + compatible = "regulator-fixed"; 114 + regulator-name = "vdd_kb_tp_3v3"; 115 + regulator-min-microvolt = <3300000>; 116 + regulator-max-microvolt = <3300000>; 117 + 118 + gpio = <&tlmm 4 GPIO_ACTIVE_HIGH>; 119 + enable-active-high; 120 + 121 + regulator-always-on; 122 + 123 + pinctrl-names = "default"; 124 + pinctrl-0 = <&kb_tp_3v3_en_active_state>; 125 + }; 126 + 127 + vph_pwr: vph-pwr-regulator { 128 + compatible = "regulator-fixed"; 129 + regulator-name = "vph_pwr"; 130 + regulator-min-microvolt = <3700000>; 131 + regulator-max-microvolt = <3700000>; 132 + }; 133 + 134 + vreg_s4a_1p8: pm8150-s4 { 135 + compatible = "regulator-fixed"; 136 + regulator-name = "vreg_s4a_1p8"; 137 + 138 + regulator-min-microvolt = <1800000>; 139 + regulator-max-microvolt = <1800000>; 140 + 141 + regulator-always-on; 142 + regulator-boot-on; 143 + 144 + vin-supply = <&vph_pwr>; 145 + }; 146 + }; 147 + 148 + &apps_rsc { 149 + regulators-0 { 150 + compatible = "qcom,pmc8180-rpmh-regulators"; 151 + qcom,pmic-id = "a"; 152 + 153 + vdd-s5-supply = <&vph_pwr>; 154 + vdd-l7-l12-l14-l15-supply = <&vreg_s5a_2p0>; 155 + 156 + vreg_s5a_2p0: smps5 { 157 + regulator-min-microvolt = <2040000>; 158 + regulator-max-microvolt = <2100000>; 159 + }; 160 + 161 + vreg_l7a_1p8: ldo7 { 162 + regulator-min-microvolt = <1800000>; 163 + regulator-max-microvolt = <1800000>; 164 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 165 + }; 166 + 167 + vreg_l9a_1p3: ldo9 { 168 + regulator-min-microvolt = <1296000>; 169 + regulator-max-microvolt = <1304000>; 170 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 171 + }; 172 + 173 + vreg_l12a_1p8: ldo12 { 174 + regulator-min-microvolt = <1800000>; 175 + regulator-max-microvolt = <1800000>; 176 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 177 + }; 178 + }; 179 + 180 + regulators-1 { 181 + compatible = "qcom,pmc8180c-rpmh-regulators"; 182 + qcom,pmic-id = "c"; 183 + 184 + vdd-s6-supply = <&vph_pwr>; 185 + vdd-s8-supply = <&vph_pwr>; 186 + vdd-l2-l3-supply = <&vreg_s6c_1p35>; 187 + vdd-bob-supply = <&vph_pwr>; 188 + 189 + vreg_s6c_1p35: smps6 { 190 + regulator-min-microvolt = <1350000>; 191 + regulator-max-microvolt = <1372000>; 192 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 193 + }; 194 + 195 + vreg_s8c_1p8: smps8 { 196 + regulator-min-microvolt = <1800000>; 197 + regulator-max-microvolt = <1800000>; 198 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 199 + regulator-always-on; 200 + }; 201 + 202 + vreg_l3c_1p2: ldo3 { 203 + regulator-min-microvolt = <1200000>; 204 + regulator-max-microvolt = <1200000>; 205 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 206 + }; 207 + 208 + vreg_l4c_3p3: ldo4 { 209 + regulator-min-microvolt = <3008000>; 210 + regulator-max-microvolt = <3008000>; 211 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 212 + }; 213 + 214 + vreg_l10c_3p3: ldo10 { 215 + regulator-min-microvolt = <3000000>; 216 + regulator-max-microvolt = <3312000>; 217 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 218 + }; 219 + 220 + vreg_l11c_3p3: ldo11 { 221 + regulator-min-microvolt = <3296000>; 222 + regulator-max-microvolt = <3304000>; 223 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 224 + }; 225 + 226 + vreg_bob: bob { 227 + regulator-min-microvolt = <3296000>; 228 + regulator-max-microvolt = <3350000>; 229 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 230 + }; 231 + }; 232 + 233 + regulators-2 { 234 + compatible = "qcom,pmc8180-rpmh-regulators"; 235 + qcom,pmic-id = "e"; 236 + 237 + vdd-s4-supply = <&vph_pwr>; 238 + vdd-s5-supply = <&vph_pwr>; 239 + vdd-l2-l10-supply = <&vreg_bob>; 240 + vdd-l3-l4-l5-l18-supply = <&vreg_s4e_0p98>; 241 + vdd-l7-l12-l14-l15-supply = <&vreg_s5e_2p05>; 242 + vdd-l13-l16-l17-supply = <&vreg_bob>; 243 + 244 + vreg_s4e_0p98: smps4 { 245 + regulator-min-microvolt = <992000>; 246 + regulator-max-microvolt = <992000>; 247 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 248 + }; 249 + 250 + vreg_s5e_2p05: smps5 { 251 + regulator-min-microvolt = <2040000>; 252 + regulator-max-microvolt = <2040000>; 253 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 254 + }; 255 + 256 + vreg_l1e_0p75: ldo1 { 257 + regulator-min-microvolt = <752000>; 258 + regulator-max-microvolt = <752000>; 259 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 260 + }; 261 + 262 + vreg_l5e_0p88: ldo5 { 263 + regulator-min-microvolt = <880000>; 264 + regulator-max-microvolt = <880000>; 265 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 266 + }; 267 + 268 + vreg_l7e_1p8: ldo7 { 269 + regulator-min-microvolt = <1800000>; 270 + regulator-max-microvolt = <1800000>; 271 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 272 + }; 273 + 274 + vreg_l10e_2p9: ldo10 { 275 + regulator-min-microvolt = <2904000>; 276 + regulator-max-microvolt = <2904000>; 277 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 278 + }; 279 + 280 + vreg_l12e: ldo12 { 281 + regulator-min-microvolt = <1800000>; 282 + regulator-max-microvolt = <1800000>; 283 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 284 + }; 285 + 286 + vreg_l16e_3p0: ldo16 { 287 + regulator-min-microvolt = <3072000>; 288 + regulator-max-microvolt = <3072000>; 289 + regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; 290 + }; 291 + }; 292 + }; 293 + 294 + &dispcc { 295 + status = "okay"; 296 + }; 297 + 298 + &gpu { 299 + status = "okay"; 300 + 301 + zap-shader { 302 + memory-region = <&gpu_mem>; 303 + firmware-name = "qcom/sc8180x/qcdxkmsuc8180.mbn"; 304 + }; 305 + }; 306 + 307 + &i2c1 { 308 + clock-frequency = <100000>; 309 + 310 + pinctrl-names = "default"; 311 + pinctrl-0 = <&ts_i2c_active_state>; 312 + 313 + status = "okay"; 314 + 315 + touchscreen@10 { 316 + compatible = "hid-over-i2c"; 317 + reg = <0x10>; 318 + hid-descr-addr = <0x1>; 319 + 320 + vdd-supply = <&vreg_l4c_3p3>; 321 + vddl-supply = <&vreg_l12e>; 322 + 323 + post-power-on-delay-ms = <20>; 324 + 325 + interrupts-extended = <&tlmm 122 IRQ_TYPE_LEVEL_LOW>; 326 + 327 + pinctrl-names = "default"; 328 + pinctrl-0 = <&ts_active_state>; 329 + }; 330 + }; 331 + 332 + &i2c7 { 333 + clock-frequency = <100000>; 334 + 335 + pinctrl-names = "default"; 336 + pinctrl-0 = <&aux_i2c_active_state>; 337 + 338 + status = "okay"; 339 + 340 + touchpad@15 { 341 + compatible = "hid-over-i2c"; 342 + reg = <0x15>; 343 + hid-descr-addr = <0x1>; 344 + 345 + interrupts-extended = <&tlmm 24 IRQ_TYPE_LEVEL_LOW>; 346 + 347 + pinctrl-names = "default"; 348 + pinctrl-0 = <&tp_int_active_state>; 349 + 350 + vdd-supply = <&vdd_kb_tp_3v3>; 351 + }; 352 + 353 + keyboard@3a { 354 + compatible = "hid-over-i2c"; 355 + reg = <0x3a>; 356 + hid-descr-addr = <0x1>; 357 + interrupts-extended = <&tlmm 37 IRQ_TYPE_LEVEL_LOW>; 358 + 359 + pinctrl-names = "default"; 360 + pinctrl-0 = <&kb_int_active_state>; 361 + 362 + vdd-supply = <&vdd_kb_tp_3v3>; 363 + }; 364 + }; 365 + 366 + &mdss { 367 + status = "okay"; 368 + }; 369 + 370 + &mdss_edp { 371 + data-lanes = <0 1 2 3>; 372 + 373 + pinctrl-names = "default"; 374 + pinctrl-0 = <&edp_hpd_active>; 375 + 376 + status = "okay"; 377 + 378 + aux-bus { 379 + panel { 380 + compatible = "edp-panel"; 381 + 382 + backlight = <&backlight>; 383 + 384 + ports { 385 + port { 386 + auo_b133han05_in: endpoint { 387 + remote-endpoint = <&mdss_edp_out>; 388 + }; 389 + }; 390 + }; 391 + }; 392 + }; 393 + 394 + ports { 395 + port@1 { 396 + reg = <1>; 397 + mdss_edp_out: endpoint { 398 + remote-endpoint = <&auo_b133han05_in>; 399 + }; 400 + }; 401 + }; 402 + }; 403 + 404 + &pcie1 { 405 + perst-gpio = <&tlmm 175 GPIO_ACTIVE_LOW>; 406 + wake-gpio = <&tlmm 177 GPIO_ACTIVE_HIGH>; 407 + pinctrl-names = "default"; 408 + pinctrl-0 = <&pcie2_default_state>; 409 + 410 + status = "okay"; 411 + }; 412 + 413 + &pcie1_phy { 414 + vdda-phy-supply = <&vreg_l5e_0p88>; 415 + vdda-pll-supply = <&vreg_l3c_1p2>; 416 + 417 + status = "okay"; 418 + }; 419 + 420 + &pmc8180c_lpg { 421 + status = "okay"; 422 + }; 423 + 424 + &qupv3_id_0 { 425 + status = "okay"; 426 + }; 427 + 428 + &qupv3_id_1 { 429 + status = "okay"; 430 + }; 431 + 432 + &qupv3_id_2 { 433 + status = "okay"; 434 + }; 435 + 436 + &remoteproc_adsp { 437 + memory-region = <&adsp_mem>; 438 + firmware-name = "qcom/sc8180x/qcadsp8180.mbn"; 439 + 440 + status = "okay"; 441 + }; 442 + 443 + &remoteproc_mpss { 444 + memory-region = <&mpss_mem>; 445 + firmware-name = "qcom/sc8180x/qcmpss8180.mbn"; 446 + 447 + status = "okay"; 448 + }; 449 + 450 + &uart12 { 451 + compatible = "qcom,geni-debug-uart"; 452 + status = "okay"; 453 + }; 454 + 455 + &uart13 { 456 + pinctrl-names = "default"; 457 + pinctrl-0 = <&uart13_state>; 458 + 459 + status = "okay"; 460 + 461 + bluetooth { 462 + compatible = "qcom,wcn3998-bt"; 463 + 464 + vddio-supply = <&vreg_s4a_1p8>; 465 + vddxo-supply = <&vreg_l7a_1p8>; 466 + vddrf-supply = <&vreg_l9a_1p3>; 467 + vddch0-supply = <&vreg_l11c_3p3>; 468 + max-speed = <3200000>; 469 + }; 470 + }; 471 + 472 + &ufs_mem_hc { 473 + reset-gpios = <&tlmm 190 GPIO_ACTIVE_LOW>; 474 + 475 + vcc-supply = <&vreg_l10e_2p9>; 476 + vcc-max-microamp = <155000>; 477 + 478 + vccq2-supply = <&vreg_l7e_1p8>; 479 + vccq2-max-microamp = <425000>; 480 + 481 + status = "okay"; 482 + }; 483 + 484 + &ufs_mem_phy { 485 + vdda-phy-supply = <&vreg_l5e_0p88>; 486 + vdda-pll-supply = <&vreg_l3c_1p2>; 487 + 488 + status = "okay"; 489 + }; 490 + 491 + &usb_prim_hsphy { 492 + vdda-pll-supply = <&vreg_l5e_0p88>; 493 + vdda18-supply = <&vreg_l12a_1p8>; 494 + vdda33-supply = <&vreg_l16e_3p0>; 495 + 496 + status = "okay"; 497 + }; 498 + 499 + &usb_prim_qmpphy { 500 + vdda-phy-supply = <&vreg_l3c_1p2>; 501 + vdda-pll-supply = <&vreg_l5e_0p88>; 502 + 503 + status = "okay"; 504 + }; 505 + 506 + &usb_prim { 507 + status = "okay"; 508 + }; 509 + 510 + &usb_prim_dwc3 { 511 + dr_mode = "host"; 512 + }; 513 + 514 + &usb_sec_hsphy { 515 + vdda-pll-supply = <&vreg_l5e_0p88>; 516 + vdda18-supply = <&vreg_l12a_1p8>; 517 + vdda33-supply = <&vreg_l16e_3p0>; 518 + 519 + status = "okay"; 520 + }; 521 + 522 + &usb_sec_qmpphy { 523 + vdda-phy-supply = <&vreg_l3c_1p2>; 524 + vdda-pll-supply = <&vreg_l5e_0p88>; 525 + 526 + status = "okay"; 527 + }; 528 + 529 + &usb_sec { 530 + status = "okay"; 531 + }; 532 + 533 + &usb_sec_dwc3 { 534 + dr_mode = "host"; 535 + }; 536 + 537 + &wifi { 538 + memory-region = <&wlan_mem>; 539 + 540 + vdd-0.8-cx-mx-supply = <&vreg_l1e_0p75>; 541 + vdd-1.8-xo-supply = <&vreg_l7a_1p8>; 542 + vdd-1.3-rfa-supply = <&vreg_l9a_1p3>; 543 + vdd-3.3-ch0-supply = <&vreg_l11c_3p3>; 544 + vdd-3.3-ch1-supply = <&vreg_l10c_3p3>; 545 + 546 + status = "okay"; 547 + }; 548 + 549 + &xo_board_clk { 550 + clock-frequency = <38400000>; 551 + }; 552 + 553 + /* PINCTRL */ 554 + 555 + &pmc8180c_gpios { 556 + bl_pwm_default: bl-pwm-default-state { 557 + en-pins { 558 + pins = "gpio8"; 559 + function = "normal"; 560 + }; 561 + 562 + pwm-pins { 563 + pins = "gpio10"; 564 + function = "func1"; 565 + }; 566 + }; 567 + }; 568 + 569 + &tlmm { 570 + gpio-reserved-ranges = <0 4>, <47 4>, <126 4>; 571 + 572 + aux_i2c_active_state: aux-i2c-active-state { 573 + pins = "gpio98", "gpio99"; 574 + function = "qup7"; 575 + 576 + bias-disable; 577 + drive-strength = <16>; 578 + }; 579 + 580 + edp_hpd_active: epd-hpd-active-state { 581 + pins = "gpio10"; 582 + function = "edp_hot"; 583 + }; 584 + 585 + hall_int_active_state: hall-int-active-state { 586 + pins = "gpio121"; 587 + function = "gpio"; 588 + 589 + input-enable; 590 + bias-disable; 591 + }; 592 + 593 + kb_int_active_state: kb-int-active-state { 594 + int-n-pins { 595 + pins = "gpio37"; 596 + function = "gpio"; 597 + 598 + bias-pull-up; 599 + intput-enable; 600 + }; 601 + 602 + kp-disable-pins { 603 + pins = "gpio135"; 604 + function = "gpio"; 605 + 606 + output-high; 607 + }; 608 + }; 609 + 610 + kb_tp_3v3_en_active_state: kb-tp-3v3-en-active-state { 611 + pins = "gpio4"; 612 + function = "gpio"; 613 + 614 + bias-disable; 615 + }; 616 + 617 + pcie2_default_state: pcie2-default-state { 618 + clkreq-pins { 619 + pins = "gpio176"; 620 + function = "pci_e2"; 621 + bias-pull-up; 622 + }; 623 + 624 + reset-n-pins { 625 + pins = "gpio175"; 626 + function = "gpio"; 627 + 628 + drive-strength = <2>; 629 + output-low; 630 + bias-pull-down; 631 + }; 632 + 633 + wake-n-pins { 634 + pins = "gpio177"; 635 + function = "gpio"; 636 + 637 + drive-strength = <2>; 638 + bias-pull-up; 639 + }; 640 + }; 641 + 642 + tp_int_active_state: tp-int-active-state { 643 + tp-int-pins { 644 + pins = "gpio24"; 645 + function = "gpio"; 646 + 647 + bias-disable; 648 + input-enable; 649 + }; 650 + 651 + tp-close-n-pins { 652 + pins = "gpio116"; 653 + function = "gpio"; 654 + 655 + bias-disable; 656 + input-enable; 657 + }; 658 + }; 659 + 660 + ts_active_state: ts-active-state { 661 + int-n-pins { 662 + pins = "gpio122"; 663 + function = "gpio"; 664 + 665 + input-enable; 666 + bias-disable; 667 + }; 668 + 669 + reset-n-pins { 670 + pins = "gpio54"; 671 + function = "gpio"; 672 + 673 + output-high; 674 + }; 675 + }; 676 + 677 + ts_i2c_active_state: ts-i2c-active-state { 678 + pins = "gpio114", "gpio115"; 679 + function = "qup1"; 680 + 681 + /* External pull up */ 682 + bias-disable; 683 + drive-strength = <2>; 684 + }; 685 + 686 + uart13_state: uart13-state { 687 + cts-pins { 688 + pins = "gpio43"; 689 + function = "qup13"; 690 + bias-pull-down; 691 + }; 692 + 693 + rts-tx-pins { 694 + pins = "gpio44", "gpio45"; 695 + function = "qup13"; 696 + drive-strength = <2>; 697 + bias-disable; 698 + }; 699 + 700 + rx-pins { 701 + pins = "gpio46"; 702 + function = "qup13"; 703 + bias-pull-up; 704 + }; 705 + }; 706 + };