1 /* 2 * Copyright (C) 2015 Rabeeh Khoury <rabeeh@solid-run.com> 3 * 4 * This file is dual-licensed: you can use it either under the terms 5 * of the GPL or the X11 license, at your option. Note that this dual 6 * licensing only applies to this file, and not this project as a 7 * whole. 8 * 9 * a) This file is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * version 2 as published by the Free Software Foundation. 12 * 13 * This file is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * Or, alternatively, 19 * 20 * b) Permission is hereby granted, free of charge, to any person 21 * obtaining a copy of this software and associated documentation 22 * files (the "Software"), to deal in the Software without 23 * restriction, including without limitation the rights to use, 24 * copy, modify, merge, publish, distribute, sublicense, and/or 25 * sell copies of the Software, and to permit persons to whom the 26 * Software is furnished to do so, subject to the following 27 * conditions: 28 * 29 * The above copyright notice and this permission notice shall be 30 * included in all copies or substantial portions of the Software. 31 * 32 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 33 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 34 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 35 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 36 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 37 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 38 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 39 * OTHER DEALINGS IN THE SOFTWARE. 40 */ 41 #include <dt-bindings/sound/fsl-imx-audmux.h> 42 43 / { 44 /* Will be filled by the bootloader */ 45 memory@10000000 { 46 device_type = "memory"; 47 reg = <0x10000000 0>; 48 }; 49 50 chosen { 51 stdout-path = &uart1; 52 }; 53 54 ir_recv: ir-receiver { 55 compatible = "gpio-ir-receiver"; 56 gpios = <&gpio7 9 GPIO_ACTIVE_LOW>; 57 pinctrl-names = "default"; 58 pinctrl-0 = <&pinctrl_hummingboard2_gpio7_9>; 59 linux,rc-map-name = "rc-rc6-mce"; 60 }; 61 62 v_3v2: regulator-v-3v2 { 63 compatible = "regulator-fixed"; 64 regulator-always-on; 65 regulator-max-microvolt = <3300000>; 66 regulator-min-microvolt = <3300000>; 67 regulator-name = "v_3v2"; 68 }; 69 70 v_5v0: regulator-v-5v0 { 71 compatible = "regulator-fixed"; 72 regulator-always-on; 73 regulator-max-microvolt = <5000000>; 74 regulator-min-microvolt = <5000000>; 75 regulator-name = "v_5v0"; 76 }; 77 78 vcc_1p8: regulator-vcc-1p8 { 79 compatible = "regulator-fixed"; 80 regulator-always-on; 81 regulator-max-microvolt = <1800000>; 82 regulator-min-microvolt = <1800000>; 83 regulator-name = "vcc_1p8"; 84 vin-supply = <&v_3v2>; 85 }; 86 87 v_sd: regulator-v-sd { 88 compatible = "regulator-fixed"; 89 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>; 90 pinctrl-names = "default"; 91 pinctrl-0 = <&pinctrl_hummingboard2_vmmc>; 92 regulator-boot-on; 93 regulator-max-microvolt = <3300000>; 94 regulator-min-microvolt = <3300000>; 95 regulator-name = "v_sd"; 96 startup-delay-us = <1000>; 97 vin-supply = <&v_3v2>; 98 }; 99 100 v_usb1: regulator-v-usb1 { 101 compatible = "regulator-fixed"; 102 enable-active-high; 103 gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; 104 pinctrl-names = "default"; 105 pinctrl-0 = <&pinctrl_hummingboard2_usbotg_vbus>; 106 regulator-always-on; 107 regulator-max-microvolt = <5000000>; 108 regulator-min-microvolt = <5000000>; 109 regulator-name = "v_usb1"; 110 vin-supply = <&v_5v0>; 111 }; 112 113 v_usb2: regulator-v-usb2 { 114 /* USB hub port 1 */ 115 compatible = "regulator-fixed"; 116 enable-active-high; 117 gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>; 118 pinctrl-names = "default"; 119 pinctrl-0 = <&pinctrl_hummingboard2_usbh1_vbus>; 120 regulator-always-on; 121 regulator-max-microvolt = <5000000>; 122 regulator-min-microvolt = <5000000>; 123 regulator-name = "v_usb2"; 124 vin-supply = <&v_5v0>; 125 }; 126 127 v_usb3: regulator-v-usb3 { 128 /* USB hub port 3 */ 129 compatible = "regulator-fixed"; 130 enable-active-high; 131 gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>; 132 pinctrl-names = "default"; 133 pinctrl-0 = <&pinctrl_hummingboard2_usbh2_vbus>; 134 regulator-always-on; 135 regulator-max-microvolt = <5000000>; 136 regulator-min-microvolt = <5000000>; 137 regulator-name = "v_usb3"; 138 vin-supply = <&v_5v0>; 139 }; 140 141 v_usb4: regulator-v-usb4 { 142 /* USB hub port 4 */ 143 compatible = "regulator-fixed"; 144 enable-active-high; 145 gpio = <&gpio7 10 GPIO_ACTIVE_HIGH>; 146 pinctrl-names = "default"; 147 pinctrl-0 = <&pinctrl_hummingboard2_usbh3_vbus>; 148 regulator-always-on; 149 regulator-max-microvolt = <5000000>; 150 regulator-min-microvolt = <5000000>; 151 regulator-name = "v_usb4"; 152 vin-supply = <&v_5v0>; 153 }; 154 155 audio: sound-sgtl5000 { 156 compatible = "simple-audio-card"; 157 simple-audio-card,name = "On-board Codec"; 158 simple-audio-card,format = "i2s"; 159 simple-audio-card,bitclock-master = <&sound_codec>; 160 simple-audio-card,frame-master = <&sound_codec>; 161 simple-audio-card,widgets = 162 "Microphone", "Mic Jack", 163 "Headphone", "Headphone Jack"; 164 simple-audio-card,routing = 165 "MIC_IN", "Mic Jack", 166 "Mic Jack", "Mic Bias", 167 "Headphone Jack", "HP_OUT"; 168 169 sound_cpu: simple-audio-card,cpu { 170 sound-dai = <&ssi1>; 171 }; 172 173 sound_codec: simple-audio-card,codec { 174 sound-dai = <&sgtl5000>; 175 }; 176 }; 177 }; 178 179 &audmux { 180 status = "okay"; 181 182 ssi1 { 183 fsl,audmux-port = <0>; 184 fsl,port-config = < 185 (IMX_AUDMUX_V2_PTCR_SYN | 186 IMX_AUDMUX_V2_PTCR_TFSEL(4) | 187 IMX_AUDMUX_V2_PTCR_TCSEL(4) | 188 IMX_AUDMUX_V2_PTCR_TFSDIR | 189 IMX_AUDMUX_V2_PTCR_TCLKDIR) 190 IMX_AUDMUX_V2_PDCR_RXDSEL(4) 191 >; 192 }; 193 194 pins5 { 195 fsl,audmux-port = <4>; 196 fsl,port-config = < 197 IMX_AUDMUX_V2_PTCR_SYN 198 IMX_AUDMUX_V2_PDCR_RXDSEL(0) 199 >; 200 }; 201 }; 202 203 &ecspi2 { 204 pinctrl-names = "default"; 205 pinctrl-0 = <&pinctrl_hummingboard2_ecspi2>; 206 cs-gpios = <&gpio2 26 GPIO_ACTIVE_LOW>; 207 status = "okay"; 208 }; 209 210 &hdmi { 211 pinctrl-names = "default"; 212 pinctrl-0 = <&pinctrl_hummingboard2_hdmi>; 213 ddc-i2c-bus = <&i2c2>; 214 status = "okay"; 215 }; 216 217 &i2c1 { 218 clock-frequency = <100000>; 219 pinctrl-names = "default"; 220 pinctrl-0 = <&pinctrl_hummingboard2_i2c1>; 221 status = "okay"; 222 223 pcf8523: rtc@68 { 224 compatible = "nxp,pcf8523"; 225 reg = <0x68>; 226 }; 227 228 sgtl5000: codec@a { 229 clocks = <&clks IMX6QDL_CLK_CKO>; 230 compatible = "fsl,sgtl5000"; 231 #sound-dai-cells = <0>; 232 pinctrl-names = "default"; 233 pinctrl-0 = <&pinctrl_hummingboard2_sgtl5000>; 234 reg = <0x0a>; 235 VDDA-supply = <&v_3v2>; 236 VDDD-supply = <&vcc_1p8>; 237 VDDIO-supply = <&v_3v2>; 238 }; 239 }; 240 241 &i2c2 { 242 clock-frequency = <100000>; 243 pinctrl-names = "default"; 244 pinctrl-0 = <&pinctrl_hummingboard2_i2c2>; 245 status = "okay"; 246 }; 247 248 &i2c3 { 249 clock-frequency = <100000>; 250 pinctrl-names = "default"; 251 pinctrl-0 = <&pinctrl_hummingboard2_i2c3>; 252 status = "okay"; 253 }; 254 255 &iomuxc { 256 pinctrl-names = "default"; 257 pinctrl-0 = <&pinctrl_hog>; 258 259 hummingboard2 { 260 pinctrl_hog: hoggrp { 261 fsl,pins = < 262 /* 263 * 36 pin headers GPIO description. The pins 264 * numbering as following - 265 * 266 * 3.2v 5v 74 75 267 * 73 72 71 70 268 * 69 68 67 66 269 * 270 * 77 78 79 76 271 * 65 64 61 60 272 * 53 52 51 50 273 * 49 48 166 132 274 * 95 94 90 91 275 * GND 54 24 204 276 * 277 * The GPIO numbers can be extracted using 278 * signal name from below. 279 * Example - 280 * MX6QDL_PAD_EIM_DA10__GPIO3_IO10 is 281 * GPIO(3,10) which is (3-1)*32+10 = gpio 74 282 * 283 * i.e. The mapping of GPIO(X,Y) to Linux gpio 284 * number is : gpio number = (X-1) * 32 + Y 285 */ 286 /* DI1_PIN15 */ 287 MX6QDL_PAD_EIM_DA10__GPIO3_IO10 0x400130b1 288 /* DI1_PIN02 */ 289 MX6QDL_PAD_EIM_DA11__GPIO3_IO11 0x400130b1 290 /* DISP1_DATA00 */ 291 MX6QDL_PAD_EIM_DA9__GPIO3_IO09 0x400130b1 292 /* DISP1_DATA01 */ 293 MX6QDL_PAD_EIM_DA8__GPIO3_IO08 0x400130b1 294 /* DISP1_DATA02 */ 295 MX6QDL_PAD_EIM_DA7__GPIO3_IO07 0x400130b1 296 /* DISP1_DATA03 */ 297 MX6QDL_PAD_EIM_DA6__GPIO3_IO06 0x400130b1 298 /* DISP1_DATA04 */ 299 MX6QDL_PAD_EIM_DA5__GPIO3_IO05 0x400130b1 300 /* DISP1_DATA05 */ 301 MX6QDL_PAD_EIM_DA4__GPIO3_IO04 0x400130b1 302 /* DISP1_DATA06 */ 303 MX6QDL_PAD_EIM_DA3__GPIO3_IO03 0x400130b1 304 /* DISP1_DATA07 */ 305 MX6QDL_PAD_EIM_DA2__GPIO3_IO02 0x400130b1 306 /* DI1_D0_CS */ 307 MX6QDL_PAD_EIM_DA13__GPIO3_IO13 0x400130b1 308 /* DI1_D1_CS */ 309 MX6QDL_PAD_EIM_DA14__GPIO3_IO14 0x400130b1 310 /* DI1_PIN01 */ 311 MX6QDL_PAD_EIM_DA15__GPIO3_IO15 0x400130b1 312 /* DI1_PIN03 */ 313 MX6QDL_PAD_EIM_DA12__GPIO3_IO12 0x400130b1 314 /* DISP1_DATA08 */ 315 MX6QDL_PAD_EIM_DA1__GPIO3_IO01 0x400130b1 316 /* DISP1_DATA09 */ 317 MX6QDL_PAD_EIM_DA0__GPIO3_IO00 0x400130b1 318 /* DISP1_DATA10 */ 319 MX6QDL_PAD_EIM_EB1__GPIO2_IO29 0x400130b1 320 /* DISP1_DATA11 */ 321 MX6QDL_PAD_EIM_EB0__GPIO2_IO28 0x400130b1 322 /* DISP1_DATA12 */ 323 MX6QDL_PAD_EIM_A17__GPIO2_IO21 0x400130b1 324 /* DISP1_DATA13 */ 325 MX6QDL_PAD_EIM_A18__GPIO2_IO20 0x400130b1 326 /* DISP1_DATA14 */ 327 MX6QDL_PAD_EIM_A19__GPIO2_IO19 0x400130b1 328 /* DISP1_DATA15 */ 329 MX6QDL_PAD_EIM_A20__GPIO2_IO18 0x400130b1 330 /* DISP1_DATA16 */ 331 MX6QDL_PAD_EIM_A21__GPIO2_IO17 0x400130b1 332 /* DISP1_DATA17 */ 333 MX6QDL_PAD_EIM_A22__GPIO2_IO16 0x400130b1 334 /* DISP1_DATA18 */ 335 MX6QDL_PAD_EIM_A23__GPIO6_IO06 0x400130b1 336 /* DISP1_DATA19 */ 337 MX6QDL_PAD_EIM_A24__GPIO5_IO04 0x400130b1 338 /* DISP1_DATA20 */ 339 MX6QDL_PAD_EIM_D31__GPIO3_IO31 0x400130b1 340 /* DISP1_DATA21 */ 341 MX6QDL_PAD_EIM_D30__GPIO3_IO30 0x400130b1 342 /* DISP1_DATA22 */ 343 MX6QDL_PAD_EIM_D26__GPIO3_IO26 0x400130b1 344 /* DISP1_DATA23 */ 345 MX6QDL_PAD_EIM_D27__GPIO3_IO27 0x400130b1 346 /* DI1_DISP_CLK */ 347 MX6QDL_PAD_EIM_A16__GPIO2_IO22 0x400130b1 348 /* SPDIF_IN */ 349 MX6QDL_PAD_ENET_RX_ER__GPIO1_IO24 0x400130b1 350 /* SPDIF_OUT */ 351 MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x400130b1 352 353 /* MikroBUS GPIO pin number 10 */ 354 MX6QDL_PAD_EIM_LBA__GPIO2_IO27 0x400130b1 355 >; 356 }; 357 358 pinctrl_hummingboard2_ecspi2: hummingboard2-ecspi2grp { 359 fsl,pins = < 360 MX6QDL_PAD_EIM_OE__ECSPI2_MISO 0x100b1 361 MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI 0x100b1 362 MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK 0x100b1 363 MX6QDL_PAD_EIM_RW__GPIO2_IO26 0x000b1 /* CS */ 364 >; 365 }; 366 367 pinctrl_hummingboard2_gpio7_9: hummingboard2-gpio7_9 { 368 fsl,pins = < 369 MX6QDL_PAD_SD4_CMD__GPIO7_IO09 0x80000000 370 >; 371 }; 372 373 pinctrl_hummingboard2_hdmi: hummingboard2-hdmi { 374 fsl,pins = < 375 MX6QDL_PAD_KEY_ROW2__HDMI_TX_CEC_LINE 0x1f8b0 376 >; 377 }; 378 379 pinctrl_hummingboard2_i2c1: hummingboard2-i2c1 { 380 fsl,pins = < 381 MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1 382 MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1 383 >; 384 }; 385 386 pinctrl_hummingboard2_i2c2: hummingboard2-i2c2 { 387 fsl,pins = < 388 MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 389 MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 390 >; 391 }; 392 393 pinctrl_hummingboard2_i2c3: hummingboard2-i2c3 { 394 fsl,pins = < 395 MX6QDL_PAD_EIM_D17__I2C3_SCL 0x4001b8b1 396 MX6QDL_PAD_EIM_D18__I2C3_SDA 0x4001b8b1 397 >; 398 }; 399 400 pinctrl_hummingboard2_mipi: hummingboard2_mipi { 401 fsl,pins = < 402 MX6QDL_PAD_SD4_DAT2__GPIO2_IO10 0x4001b8b1 403 MX6QDL_PAD_KEY_COL4__GPIO4_IO14 0x4001b8b1 404 MX6QDL_PAD_NANDF_CS2__CCM_CLKO2 0x130b0 405 >; 406 }; 407 408 pinctrl_hummingboard2_pcie_reset: hummingboard2-pcie-reset { 409 fsl,pins = < 410 MX6QDL_PAD_SD4_DAT3__GPIO2_IO11 0x1b0b1 411 >; 412 }; 413 414 pinctrl_hummingboard2_pwm1: pwm1grp { 415 fsl,pins = < 416 MX6QDL_PAD_DISP0_DAT8__PWM1_OUT 0x1b0b1 417 >; 418 }; 419 420 pinctrl_hummingboard2_pwm3: pwm3grp { 421 fsl,pins = < 422 MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1 423 >; 424 }; 425 426 pinctrl_hummingboard2_sgtl5000: hummingboard2-sgtl5000 { 427 fsl,pins = < 428 MX6QDL_PAD_DISP0_DAT19__AUD5_RXD 0x130b0 429 MX6QDL_PAD_KEY_COL0__AUD5_TXC 0x130b0 430 MX6QDL_PAD_KEY_ROW0__AUD5_TXD 0x110b0 431 MX6QDL_PAD_KEY_COL1__AUD5_TXFS 0x130b0 432 MX6QDL_PAD_GPIO_5__CCM_CLKO1 0x130b0 433 >; 434 }; 435 436 pinctrl_hummingboard2_usbh1_vbus: hummingboard2-usbh1-vbus { 437 fsl,pins = <MX6QDL_PAD_GPIO_0__GPIO1_IO00 0x1b0b0>; 438 }; 439 440 pinctrl_hummingboard2_usbh2_vbus: hummingboard2-usbh2-vbus { 441 fsl,pins = <MX6QDL_PAD_SD4_DAT5__GPIO2_IO13 0x1b0b0>; 442 }; 443 444 pinctrl_hummingboard2_usbh3_vbus: hummingboard2-usbh3-vbus { 445 fsl,pins = <MX6QDL_PAD_SD4_CLK__GPIO7_IO10 0x1b0b0>; 446 }; 447 448 pinctrl_hummingboard2_usbotg_id: hummingboard2-usbotg-id { 449 /* 450 * We want it pulled down for a fixed host connection. 451 */ 452 fsl,pins = <MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x13059>; 453 }; 454 455 pinctrl_hummingboard2_usbotg_vbus: hummingboard2-usbotg-vbus { 456 fsl,pins = <MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x1b0b0>; 457 }; 458 459 pinctrl_hummingboard2_usdhc2_aux: hummingboard2-usdhc2-aux { 460 fsl,pins = < 461 MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x1f071 462 MX6QDL_PAD_KEY_ROW1__SD2_VSELECT 0x1b071 463 >; 464 }; 465 466 pinctrl_hummingboard2_usdhc2: hummingboard2-usdhc2 { 467 fsl,pins = < 468 MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059 469 MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059 470 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059 471 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059 472 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059 473 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x13059 474 >; 475 }; 476 477 pinctrl_hummingboard2_usdhc2_100mhz: hummingboard2-usdhc2-100mhz { 478 fsl,pins = < 479 MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170b9 480 MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100b9 481 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170b9 482 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170b9 483 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170b9 484 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130b9 485 >; 486 }; 487 488 pinctrl_hummingboard2_usdhc2_200mhz: hummingboard2-usdhc2-200mhz { 489 fsl,pins = < 490 MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170f9 491 MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100f9 492 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170f9 493 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170f9 494 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170f9 495 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130f9 496 >; 497 }; 498 499 pinctrl_hummingboard2_vmmc: hummingboard2-vmmc { 500 fsl,pins = < 501 MX6QDL_PAD_DISP0_DAT9__GPIO4_IO30 0x1b0b0 502 >; 503 }; 504 505 pinctrl_hummingboard2_uart3: hummingboard2-uart3 { 506 fsl,pins = < 507 MX6QDL_PAD_EIM_D25__UART3_TX_DATA 0x1b0b1 508 MX6QDL_PAD_EIM_D24__UART3_RX_DATA 0x40013000 509 >; 510 }; 511 }; 512 }; 513 514 &pcie { 515 pinctrl-names = "default"; 516 pinctrl-0 = <&pinctrl_hummingboard2_pcie_reset>; 517 reset-gpio = <&gpio2 11 GPIO_ACTIVE_LOW>; 518 status = "okay"; 519 }; 520 521 &pwm1 { 522 pinctrl-names = "default"; 523 pinctrl-0 = <&pinctrl_hummingboard2_pwm1>; 524 status = "okay"; 525 }; 526 527 &pwm3 { 528 pinctrl-names = "default"; 529 pinctrl-0 = <&pinctrl_hummingboard2_pwm3>; 530 status = "okay"; 531 }; 532 533 &ssi1 { 534 status = "okay"; 535 }; 536 537 &usbh1 { 538 disable-over-current; 539 status = "okay"; 540 }; 541 542 &usbotg { 543 disable-over-current; 544 pinctrl-names = "default"; 545 pinctrl-0 = <&pinctrl_hummingboard2_usbotg_id>; 546 vbus-supply = <&v_usb1>; 547 status = "okay"; 548 }; 549 550 &usdhc2 { 551 pinctrl-names = "default", "state_100mhz", "state_200mhz"; 552 pinctrl-0 = < 553 &pinctrl_hummingboard2_usdhc2_aux 554 &pinctrl_hummingboard2_usdhc2 555 >; 556 pinctrl-1 = < 557 &pinctrl_hummingboard2_usdhc2_aux 558 &pinctrl_hummingboard2_usdhc2_100mhz 559 >; 560 pinctrl-2 = < 561 &pinctrl_hummingboard2_usdhc2_aux 562 &pinctrl_hummingboard2_usdhc2_200mhz 563 >; 564 vmmc-supply = <&v_sd>; 565 cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; 566 status = "okay"; 567 }; 568 569 &uart3 { 570 pinctrl-names = "default"; 571 pinctrl-0 = <&pinctrl_hummingboard2_uart3>; 572 status = "okay"; 573 }; 574 575 &vcc_3v3 { 576 vin-supply = <&v_3v2>; 577 }; 578