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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 aliases {
45 rtc0 = &pcf8523;
46 rtc1 = &snvs_rtc;
47 };
48
49 /* Will be filled by the bootloader */
50 memory@10000000 {
51 device_type = "memory";
52 reg = <0x10000000 0>;
53 };
54
55 chosen {
56 stdout-path = &uart1;
57 };
58
59 ir_recv: ir-receiver {
60 compatible = "gpio-ir-receiver";
61 gpios = <&gpio7 9 GPIO_ACTIVE_LOW>;
62 pinctrl-names = "default";
63 pinctrl-0 = <&pinctrl_hummingboard2_gpio7_9>;
64 linux,rc-map-name = "rc-rc6-mce";
65 };
66
67 v_3v2: regulator-v-3v2 {
68 compatible = "regulator-fixed";
69 regulator-always-on;
70 regulator-max-microvolt = <3300000>;
71 regulator-min-microvolt = <3300000>;
72 regulator-name = "v_3v2";
73 };
74
75 v_5v0: regulator-v-5v0 {
76 compatible = "regulator-fixed";
77 regulator-always-on;
78 regulator-max-microvolt = <5000000>;
79 regulator-min-microvolt = <5000000>;
80 regulator-name = "v_5v0";
81 };
82
83 vcc_1p8: regulator-vcc-1p8 {
84 compatible = "regulator-fixed";
85 regulator-always-on;
86 regulator-max-microvolt = <1800000>;
87 regulator-min-microvolt = <1800000>;
88 regulator-name = "vcc_1p8";
89 vin-supply = <&v_3v2>;
90 };
91
92 v_sd: regulator-v-sd {
93 compatible = "regulator-fixed";
94 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
95 pinctrl-names = "default";
96 pinctrl-0 = <&pinctrl_hummingboard2_vmmc>;
97 regulator-boot-on;
98 regulator-max-microvolt = <3300000>;
99 regulator-min-microvolt = <3300000>;
100 regulator-name = "v_sd";
101 startup-delay-us = <1000>;
102 vin-supply = <&v_3v2>;
103 };
104
105 v_usb1: regulator-v-usb1 {
106 compatible = "regulator-fixed";
107 enable-active-high;
108 gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
109 pinctrl-names = "default";
110 pinctrl-0 = <&pinctrl_hummingboard2_usbotg_vbus>;
111 regulator-always-on;
112 regulator-max-microvolt = <5000000>;
113 regulator-min-microvolt = <5000000>;
114 regulator-name = "v_usb1";
115 vin-supply = <&v_5v0>;
116 };
117
118 v_usb2: regulator-v-usb2 {
119 /* USB hub port 1 */
120 compatible = "regulator-fixed";
121 enable-active-high;
122 gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>;
123 pinctrl-names = "default";
124 pinctrl-0 = <&pinctrl_hummingboard2_usbh1_vbus>;
125 regulator-always-on;
126 regulator-max-microvolt = <5000000>;
127 regulator-min-microvolt = <5000000>;
128 regulator-name = "v_usb2";
129 vin-supply = <&v_5v0>;
130 };
131
132 v_usb3: regulator-v-usb3 {
133 /* USB hub port 3 */
134 compatible = "regulator-fixed";
135 enable-active-high;
136 gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>;
137 pinctrl-names = "default";
138 pinctrl-0 = <&pinctrl_hummingboard2_usbh2_vbus>;
139 regulator-always-on;
140 regulator-max-microvolt = <5000000>;
141 regulator-min-microvolt = <5000000>;
142 regulator-name = "v_usb3";
143 vin-supply = <&v_5v0>;
144 };
145
146 v_usb4: regulator-v-usb4 {
147 /* USB hub port 4 */
148 compatible = "regulator-fixed";
149 enable-active-high;
150 gpio = <&gpio7 10 GPIO_ACTIVE_HIGH>;
151 pinctrl-names = "default";
152 pinctrl-0 = <&pinctrl_hummingboard2_usbh3_vbus>;
153 regulator-always-on;
154 regulator-max-microvolt = <5000000>;
155 regulator-min-microvolt = <5000000>;
156 regulator-name = "v_usb4";
157 vin-supply = <&v_5v0>;
158 };
159
160 audio: sound-sgtl5000 {
161 compatible = "simple-audio-card";
162 simple-audio-card,name = "On-board Codec";
163 simple-audio-card,format = "i2s";
164 simple-audio-card,bitclock-master = <&sound_codec>;
165 simple-audio-card,frame-master = <&sound_codec>;
166 simple-audio-card,widgets =
167 "Microphone", "Mic Jack",
168 "Headphone", "Headphone Jack";
169 simple-audio-card,routing =
170 "MIC_IN", "Mic Jack",
171 "Mic Jack", "Mic Bias",
172 "Headphone Jack", "HP_OUT";
173
174 sound_cpu: simple-audio-card,cpu {
175 sound-dai = <&ssi1>;
176 };
177
178 sound_codec: simple-audio-card,codec {
179 sound-dai = <&sgtl5000>;
180 };
181 };
182};
183
184&audmux {
185 status = "okay";
186
187 mux-ssi1 {
188 fsl,audmux-port = <0>;
189 fsl,port-config = <
190 (IMX_AUDMUX_V2_PTCR_SYN |
191 IMX_AUDMUX_V2_PTCR_TFSEL(4) |
192 IMX_AUDMUX_V2_PTCR_TCSEL(4) |
193 IMX_AUDMUX_V2_PTCR_TFSDIR |
194 IMX_AUDMUX_V2_PTCR_TCLKDIR)
195 IMX_AUDMUX_V2_PDCR_RXDSEL(4)
196 >;
197 };
198
199 mux-pins5 {
200 fsl,audmux-port = <4>;
201 fsl,port-config = <
202 IMX_AUDMUX_V2_PTCR_SYN
203 IMX_AUDMUX_V2_PDCR_RXDSEL(0)
204 >;
205 };
206};
207
208&ecspi2 {
209 pinctrl-names = "default";
210 pinctrl-0 = <&pinctrl_hummingboard2_ecspi2>;
211 cs-gpios = <&gpio2 26 GPIO_ACTIVE_LOW>;
212 status = "okay";
213};
214
215&hdmi {
216 pinctrl-names = "default";
217 pinctrl-0 = <&pinctrl_hummingboard2_hdmi>;
218 ddc-i2c-bus = <&i2c2>;
219 status = "okay";
220};
221
222&i2c1 {
223 clock-frequency = <100000>;
224 pinctrl-names = "default";
225 pinctrl-0 = <&pinctrl_hummingboard2_i2c1>;
226 status = "okay";
227
228 pcf8523: rtc@68 {
229 compatible = "nxp,pcf8523";
230 reg = <0x68>;
231 };
232
233 sgtl5000: codec@a {
234 clocks = <&clks IMX6QDL_CLK_CKO>;
235 compatible = "fsl,sgtl5000";
236 #sound-dai-cells = <0>;
237 pinctrl-names = "default";
238 pinctrl-0 = <&pinctrl_hummingboard2_sgtl5000>;
239 reg = <0x0a>;
240 VDDA-supply = <&v_3v2>;
241 VDDD-supply = <&vcc_1p8>;
242 VDDIO-supply = <&v_3v2>;
243 };
244};
245
246&i2c2 {
247 clock-frequency = <100000>;
248 pinctrl-names = "default";
249 pinctrl-0 = <&pinctrl_hummingboard2_i2c2>;
250 status = "okay";
251};
252
253&i2c3 {
254 clock-frequency = <100000>;
255 pinctrl-names = "default";
256 pinctrl-0 = <&pinctrl_hummingboard2_i2c3>;
257 status = "okay";
258};
259
260&iomuxc {
261 pinctrl-names = "default";
262 pinctrl-0 = <&pinctrl_hog>;
263
264 pinctrl_hog: hoggrp {
265 fsl,pins = <
266 /*
267 * 36 pin headers GPIO description. The pins
268 * numbering as following -
269 *
270 * 3.2v 5v 74 75
271 * 73 72 71 70
272 * 69 68 67 66
273 *
274 * 77 78 79 76
275 * 65 64 61 60
276 * 53 52 51 50
277 * 49 48 166 132
278 * 95 94 90 91
279 * GND 54 24 204
280 *
281 * The GPIO numbers can be extracted using
282 * signal name from below.
283 * Example -
284 * MX6QDL_PAD_EIM_DA10__GPIO3_IO10 is
285 * GPIO(3,10) which is (3-1)*32+10 = gpio 74
286 *
287 * i.e. The mapping of GPIO(X,Y) to Linux gpio
288 * number is : gpio number = (X-1) * 32 + Y
289 */
290 /* DI1_PIN15 */
291 MX6QDL_PAD_EIM_DA10__GPIO3_IO10 0x400130b1
292 /* DI1_PIN02 */
293 MX6QDL_PAD_EIM_DA11__GPIO3_IO11 0x400130b1
294 /* DISP1_DATA00 */
295 MX6QDL_PAD_EIM_DA9__GPIO3_IO09 0x400130b1
296 /* DISP1_DATA01 */
297 MX6QDL_PAD_EIM_DA8__GPIO3_IO08 0x400130b1
298 /* DISP1_DATA02 */
299 MX6QDL_PAD_EIM_DA7__GPIO3_IO07 0x400130b1
300 /* DISP1_DATA03 */
301 MX6QDL_PAD_EIM_DA6__GPIO3_IO06 0x400130b1
302 /* DISP1_DATA04 */
303 MX6QDL_PAD_EIM_DA5__GPIO3_IO05 0x400130b1
304 /* DISP1_DATA05 */
305 MX6QDL_PAD_EIM_DA4__GPIO3_IO04 0x400130b1
306 /* DISP1_DATA06 */
307 MX6QDL_PAD_EIM_DA3__GPIO3_IO03 0x400130b1
308 /* DISP1_DATA07 */
309 MX6QDL_PAD_EIM_DA2__GPIO3_IO02 0x400130b1
310 /* DI1_D0_CS */
311 MX6QDL_PAD_EIM_DA13__GPIO3_IO13 0x400130b1
312 /* DI1_D1_CS */
313 MX6QDL_PAD_EIM_DA14__GPIO3_IO14 0x400130b1
314 /* DI1_PIN01 */
315 MX6QDL_PAD_EIM_DA15__GPIO3_IO15 0x400130b1
316 /* DI1_PIN03 */
317 MX6QDL_PAD_EIM_DA12__GPIO3_IO12 0x400130b1
318 /* DISP1_DATA08 */
319 MX6QDL_PAD_EIM_DA1__GPIO3_IO01 0x400130b1
320 /* DISP1_DATA09 */
321 MX6QDL_PAD_EIM_DA0__GPIO3_IO00 0x400130b1
322 /* DISP1_DATA10 */
323 MX6QDL_PAD_EIM_EB1__GPIO2_IO29 0x400130b1
324 /* DISP1_DATA11 */
325 MX6QDL_PAD_EIM_EB0__GPIO2_IO28 0x400130b1
326 /* DISP1_DATA12 */
327 MX6QDL_PAD_EIM_A17__GPIO2_IO21 0x400130b1
328 /* DISP1_DATA13 */
329 MX6QDL_PAD_EIM_A18__GPIO2_IO20 0x400130b1
330 /* DISP1_DATA14 */
331 MX6QDL_PAD_EIM_A19__GPIO2_IO19 0x400130b1
332 /* DISP1_DATA15 */
333 MX6QDL_PAD_EIM_A20__GPIO2_IO18 0x400130b1
334 /* DISP1_DATA16 */
335 MX6QDL_PAD_EIM_A21__GPIO2_IO17 0x400130b1
336 /* DISP1_DATA17 */
337 MX6QDL_PAD_EIM_A22__GPIO2_IO16 0x400130b1
338 /* DISP1_DATA18 */
339 MX6QDL_PAD_EIM_A23__GPIO6_IO06 0x400130b1
340 /* DISP1_DATA19 */
341 MX6QDL_PAD_EIM_A24__GPIO5_IO04 0x400130b1
342 /* DISP1_DATA20 */
343 MX6QDL_PAD_EIM_D31__GPIO3_IO31 0x400130b1
344 /* DISP1_DATA21 */
345 MX6QDL_PAD_EIM_D30__GPIO3_IO30 0x400130b1
346 /* DISP1_DATA22 */
347 MX6QDL_PAD_EIM_D26__GPIO3_IO26 0x400130b1
348 /* DISP1_DATA23 */
349 MX6QDL_PAD_EIM_D27__GPIO3_IO27 0x400130b1
350 /* DI1_DISP_CLK */
351 MX6QDL_PAD_EIM_A16__GPIO2_IO22 0x400130b1
352 /* SPDIF_IN */
353 MX6QDL_PAD_ENET_RX_ER__GPIO1_IO24 0x400130b1
354 /* SPDIF_OUT */
355 MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x400130b1
356
357 /* MikroBUS GPIO pin number 10 */
358 MX6QDL_PAD_EIM_LBA__GPIO2_IO27 0x400130b1
359 >;
360 };
361
362 pinctrl_hummingboard2_ecspi2: hummingboard2-ecspi2grp {
363 fsl,pins = <
364 MX6QDL_PAD_EIM_OE__ECSPI2_MISO 0x100b1
365 MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI 0x100b1
366 MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK 0x100b1
367 MX6QDL_PAD_EIM_RW__GPIO2_IO26 0x000b1 /* CS */
368 >;
369 };
370
371 pinctrl_hummingboard2_gpio7_9: hummingboard2-gpio7_9grp {
372 fsl,pins = <
373 MX6QDL_PAD_SD4_CMD__GPIO7_IO09 0x80000000
374 >;
375 };
376
377 pinctrl_hummingboard2_hdmi: hummingboard2-hdmigrp {
378 fsl,pins = <
379 MX6QDL_PAD_KEY_ROW2__HDMI_TX_CEC_LINE 0x1f8b0
380 >;
381 };
382
383 pinctrl_hummingboard2_i2c1: hummingboard2-i2c1grp {
384 fsl,pins = <
385 MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
386 MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
387 >;
388 };
389
390 pinctrl_hummingboard2_i2c2: hummingboard2-i2c2grp {
391 fsl,pins = <
392 MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
393 MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
394 >;
395 };
396
397 pinctrl_hummingboard2_i2c3: hummingboard2-i2c3grp {
398 fsl,pins = <
399 MX6QDL_PAD_EIM_D17__I2C3_SCL 0x4001b8b1
400 MX6QDL_PAD_EIM_D18__I2C3_SDA 0x4001b8b1
401 >;
402 };
403
404 pinctrl_hummingboard2_mipi: hummingboard2_mipigrp {
405 fsl,pins = <
406 MX6QDL_PAD_SD4_DAT2__GPIO2_IO10 0x4001b8b1
407 MX6QDL_PAD_KEY_COL4__GPIO4_IO14 0x4001b8b1
408 MX6QDL_PAD_NANDF_CS2__CCM_CLKO2 0x130b0
409 >;
410 };
411
412 pinctrl_hummingboard2_pcie_reset: hummingboard2-pcie-resetgrp {
413 fsl,pins = <
414 MX6QDL_PAD_SD4_DAT3__GPIO2_IO11 0x1b0b1
415 >;
416 };
417
418 pinctrl_hummingboard2_pwm1: pwm1grp {
419 fsl,pins = <
420 MX6QDL_PAD_DISP0_DAT8__PWM1_OUT 0x1b0b1
421 >;
422 };
423
424 pinctrl_hummingboard2_pwm3: pwm3grp {
425 fsl,pins = <
426 MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1
427 >;
428 };
429
430 pinctrl_hummingboard2_sgtl5000: hummingboard2-sgtl5000grp {
431 fsl,pins = <
432 MX6QDL_PAD_DISP0_DAT19__AUD5_RXD 0x130b0
433 MX6QDL_PAD_KEY_COL0__AUD5_TXC 0x130b0
434 MX6QDL_PAD_KEY_ROW0__AUD5_TXD 0x110b0
435 MX6QDL_PAD_KEY_COL1__AUD5_TXFS 0x130b0
436 MX6QDL_PAD_GPIO_5__CCM_CLKO1 0x130b0
437 >;
438 };
439
440 pinctrl_hummingboard2_usbh1_vbus: hummingboard2-usbh1-vbusgrp {
441 fsl,pins = <MX6QDL_PAD_GPIO_0__GPIO1_IO00 0x1b0b0>;
442 };
443
444 pinctrl_hummingboard2_usbh2_vbus: hummingboard2-usbh2-vbusgrp {
445 fsl,pins = <MX6QDL_PAD_SD4_DAT5__GPIO2_IO13 0x1b0b0>;
446 };
447
448 pinctrl_hummingboard2_usbh3_vbus: hummingboard2-usbh3-vbusgrp {
449 fsl,pins = <MX6QDL_PAD_SD4_CLK__GPIO7_IO10 0x1b0b0>;
450 };
451
452 pinctrl_hummingboard2_usbotg_id: hummingboard2-usbotg-idgrp {
453 /*
454 * We want it pulled down for a fixed host connection.
455 */
456 fsl,pins = <MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x13059>;
457 };
458
459 pinctrl_hummingboard2_usbotg_vbus: hummingboard2-usbotg-vbusgrp {
460 fsl,pins = <MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x1b0b0>;
461 };
462
463 pinctrl_hummingboard2_usdhc2_aux: hummingboard2-usdhc2-auxgrp {
464 fsl,pins = <
465 MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x1f071
466 MX6QDL_PAD_KEY_ROW1__SD2_VSELECT 0x1b071
467 >;
468 };
469
470 pinctrl_hummingboard2_usdhc2: hummingboard2-usdhc2grp {
471 fsl,pins = <
472 MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059
473 MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059
474 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059
475 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059
476 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059
477 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x13059
478 >;
479 };
480
481 pinctrl_hummingboard2_usdhc2_100mhz: hummingboard2-usdhc2-100mhzgrp {
482 fsl,pins = <
483 MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170b9
484 MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100b9
485 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170b9
486 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170b9
487 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170b9
488 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130b9
489 >;
490 };
491
492 pinctrl_hummingboard2_usdhc2_200mhz: hummingboard2-usdhc2-200mhzgrp {
493 fsl,pins = <
494 MX6QDL_PAD_SD2_CMD__SD2_CMD 0x170f9
495 MX6QDL_PAD_SD2_CLK__SD2_CLK 0x100f9
496 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170f9
497 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170f9
498 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170f9
499 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130f9
500 >;
501 };
502
503 pinctrl_hummingboard2_vmmc: hummingboard2-vmmcgrp {
504 fsl,pins = <
505 MX6QDL_PAD_DISP0_DAT9__GPIO4_IO30 0x1b0b0
506 >;
507 };
508
509 pinctrl_hummingboard2_uart3: hummingboard2-uart3grp {
510 fsl,pins = <
511 MX6QDL_PAD_EIM_D25__UART3_TX_DATA 0x1b0b1
512 MX6QDL_PAD_EIM_D24__UART3_RX_DATA 0x40013000
513 >;
514 };
515};
516
517&pcie {
518 pinctrl-names = "default";
519 pinctrl-0 = <&pinctrl_hummingboard2_pcie_reset>;
520 reset-gpio = <&gpio2 11 GPIO_ACTIVE_LOW>;
521 status = "okay";
522};
523
524&pwm1 {
525 pinctrl-names = "default";
526 pinctrl-0 = <&pinctrl_hummingboard2_pwm1>;
527 status = "okay";
528};
529
530&pwm3 {
531 pinctrl-names = "default";
532 pinctrl-0 = <&pinctrl_hummingboard2_pwm3>;
533 status = "okay";
534};
535
536&ssi1 {
537 status = "okay";
538};
539
540&usbh1 {
541 disable-over-current;
542 status = "okay";
543};
544
545&usbotg {
546 disable-over-current;
547 pinctrl-names = "default";
548 pinctrl-0 = <&pinctrl_hummingboard2_usbotg_id>;
549 vbus-supply = <&v_usb1>;
550 status = "okay";
551};
552
553&usdhc2 {
554 pinctrl-names = "default", "state_100mhz", "state_200mhz";
555 pinctrl-0 = <
556 &pinctrl_hummingboard2_usdhc2_aux
557 &pinctrl_hummingboard2_usdhc2
558 >;
559 pinctrl-1 = <
560 &pinctrl_hummingboard2_usdhc2_aux
561 &pinctrl_hummingboard2_usdhc2_100mhz
562 >;
563 pinctrl-2 = <
564 &pinctrl_hummingboard2_usdhc2_aux
565 &pinctrl_hummingboard2_usdhc2_200mhz
566 >;
567 vmmc-supply = <&v_sd>;
568 cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
569 status = "okay";
570};
571
572&uart3 {
573 pinctrl-names = "default";
574 pinctrl-0 = <&pinctrl_hummingboard2_uart3>;
575 status = "okay";
576};
577
578&vcc_3v3 {
579 vin-supply = <&v_3v2>;
580};