Merge tag 'scsi-postmerge' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb...
[sfrench/cifs-2.6.git] / arch / arm / boot / dts / imx6qdl-hummingboard2.dtsi
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
42 / {
43         chosen {
44                 stdout-path = &uart1;
45         };
46
47         ir_recv: ir-receiver {
48                 compatible = "gpio-ir-receiver";
49                 gpios = <&gpio7 9 GPIO_ACTIVE_LOW>;
50                 pinctrl-names = "default";
51                 pinctrl-0 = <&pinctrl_hummingboard2_gpio7_9>;
52                 linux,rc-map-name = "rc-rc6-mce";
53         };
54
55         v_3v2: regulator-v-3v2 {
56                 compatible = "regulator-fixed";
57                 regulator-always-on;
58                 regulator-max-microvolt = <3300000>;
59                 regulator-min-microvolt = <3300000>;
60                 regulator-name = "v_3v2";
61         };
62
63         v_5v0: regulator-v-5v0 {
64                 compatible = "regulator-fixed";
65                 regulator-always-on;
66                 regulator-max-microvolt = <5000000>;
67                 regulator-min-microvolt = <5000000>;
68                 regulator-name = "v_5v0";
69         };
70
71         vcc_1p8: regulator-vcc-1p8 {
72                 compatible = "regulator-fixed";
73                 regulator-always-on;
74                 regulator-max-microvolt = <1800000>;
75                 regulator-min-microvolt = <1800000>;
76                 regulator-name = "vcc_1p8";
77                 vin-supply = <&v_3v2>;
78         };
79
80         v_sd: regulator-v-sd {
81                 compatible = "regulator-fixed";
82                 gpio = <&gpio4 30 GPIO_ACTIVE_HIGH>;
83                 pinctrl-names = "default";
84                 pinctrl-0 = <&pinctrl_hummingboard2_vmmc>;
85                 regulator-boot-on;
86                 regulator-max-microvolt = <3300000>;
87                 regulator-min-microvolt = <3300000>;
88                 regulator-name = "v_sd";
89                 startup-delay-us = <1000>;
90                 vin-supply = <&v_3v2>;
91         };
92
93         v_usb1: regulator-v-usb1 {
94                 compatible = "regulator-fixed";
95                 enable-active-high;
96                 gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
97                 pinctrl-names = "default";
98                 pinctrl-0 = <&pinctrl_hummingboard2_usbotg_vbus>;
99                 regulator-always-on;
100                 regulator-max-microvolt = <5000000>;
101                 regulator-min-microvolt = <5000000>;
102                 regulator-name = "v_usb1";
103                 vin-supply = <&v_5v0>;
104         };
105
106         v_usb2: regulator-v-usb2 {
107                 /* USB hub port 1 */
108                 compatible = "regulator-fixed";
109                 enable-active-high;
110                 gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>;
111                 pinctrl-names = "default";
112                 pinctrl-0 = <&pinctrl_hummingboard2_usbh1_vbus>;
113                 regulator-always-on;
114                 regulator-max-microvolt = <5000000>;
115                 regulator-min-microvolt = <5000000>;
116                 regulator-name = "v_usb2";
117                 vin-supply = <&v_5v0>;
118         };
119
120         v_usb3: regulator-v-usb3 {
121                 /* USB hub port 3 */
122                 compatible = "regulator-fixed";
123                 enable-active-high;
124                 gpio = <&gpio2 13 GPIO_ACTIVE_HIGH>;
125                 pinctrl-names = "default";
126                 pinctrl-0 = <&pinctrl_hummingboard2_usbh2_vbus>;
127                 regulator-always-on;
128                 regulator-max-microvolt = <5000000>;
129                 regulator-min-microvolt = <5000000>;
130                 regulator-name = "v_usb3";
131                 vin-supply = <&v_5v0>;
132         };
133
134         v_usb4: regulator-v-usb4 {
135                 /* USB hub port 4 */
136                 compatible = "regulator-fixed";
137                 enable-active-high;
138                 gpio = <&gpio7 10 GPIO_ACTIVE_HIGH>;
139                 pinctrl-names = "default";
140                 pinctrl-0 = <&pinctrl_hummingboard2_usbh3_vbus>;
141                 regulator-always-on;
142                 regulator-max-microvolt = <5000000>;
143                 regulator-min-microvolt = <5000000>;
144                 regulator-name = "v_usb4";
145                 vin-supply = <&v_5v0>;
146         };
147
148         sound-sgtl5000 {
149                 audio-codec = <&sgtl5000>;
150                 audio-routing =
151                         "MIC_IN", "Mic Jack",
152                         "Mic Jack", "Mic Bias",
153                         "Headphone Jack", "HP_OUT";
154                 compatible = "fsl,imx-audio-sgtl5000";
155                 model = "On-board Codec";
156                 mux-ext-port = <5>;
157                 mux-int-port = <1>;
158                 ssi-controller = <&ssi1>;
159         };
160 };
161
162 &audmux {
163         status = "okay";
164 };
165
166 &ecspi2 {
167         pinctrl-names = "default";
168         pinctrl-0 = <&pinctrl_hummingboard2_ecspi2>;
169         cs-gpios = <&gpio2 26 0>;
170         status = "okay";
171 };
172
173 &hdmi {
174         pinctrl-names = "default";
175         pinctrl-0 = <&pinctrl_hummingboard2_hdmi>;
176         ddc-i2c-bus = <&i2c2>;
177         status = "okay";
178 };
179
180 &i2c1 {
181         clock-frequency = <100000>;
182         pinctrl-names = "default";
183         pinctrl-0 = <&pinctrl_hummingboard2_i2c1>;
184         status = "okay";
185
186         pcf8523: rtc@68 {
187                 compatible = "nxp,pcf8523";
188                 reg = <0x68>;
189         };
190
191         sgtl5000: codec@a {
192                 clocks = <&clks IMX6QDL_CLK_CKO>;
193                 compatible = "fsl,sgtl5000";
194                 pinctrl-names = "default";
195                 pinctrl-0 = <&pinctrl_hummingboard2_sgtl5000>;
196                 reg = <0x0a>;
197                 VDDA-supply = <&v_3v2>;
198                 VDDD-supply = <&vcc_1p8>;
199                 VDDIO-supply = <&v_3v2>;
200         };
201 };
202
203 &i2c2 {
204         clock-frequency = <100000>;
205         pinctrl-names = "default";
206         pinctrl-0 = <&pinctrl_hummingboard2_i2c2>;
207         status = "okay";
208 };
209
210 &i2c3 {
211         clock-frequency = <100000>;
212         pinctrl-names = "default";
213         pinctrl-0 = <&pinctrl_hummingboard2_i2c3>;
214         status = "okay";
215 };
216
217 &iomuxc {
218         pinctrl-names = "default";
219         pinctrl-0 = <&pinctrl_hog>;
220
221         hummingboard2 {
222                 pinctrl_hog: hoggrp {
223                 fsl,pins = <
224                                 /*
225                                  * 36 pin headers GPIO description. The pins
226                                  * numbering as following -
227                                  *
228                                  *      3.2v    5v      74      75
229                                  *      73      72      71      70
230                                  *      69      68      67      66
231                                  *
232                                  *      77      78      79      76
233                                  *      65      64      61      60
234                                  *      53      52      51      50
235                                  *      49      48      166     132
236                                  *      95      94      90      91
237                                  *      GND     54      24      204
238                                  *
239                                  * The GPIO numbers can be extracted using
240                                  * signal name from below.
241                                  * Example -
242                                  * MX6QDL_PAD_EIM_DA10__GPIO3_IO10 is
243                                  * GPIO(3,10) which is (3-1)*32+10 = gpio 74
244                                  *
245                                  * i.e. The mapping of GPIO(X,Y) to Linux gpio
246                                  * number is : gpio number = (X-1) * 32 + Y
247                                  */
248                                 /* DI1_PIN15 */
249                                 MX6QDL_PAD_EIM_DA10__GPIO3_IO10 0x400130b1
250                                 /* DI1_PIN02 */
251                                 MX6QDL_PAD_EIM_DA11__GPIO3_IO11 0x400130b1
252                                 /* DISP1_DATA00 */
253                                 MX6QDL_PAD_EIM_DA9__GPIO3_IO09 0x400130b1
254                                 /* DISP1_DATA01 */
255                                 MX6QDL_PAD_EIM_DA8__GPIO3_IO08 0x400130b1
256                                 /* DISP1_DATA02 */
257                                 MX6QDL_PAD_EIM_DA7__GPIO3_IO07 0x400130b1
258                                 /* DISP1_DATA03 */
259                                 MX6QDL_PAD_EIM_DA6__GPIO3_IO06 0x400130b1
260                                 /* DISP1_DATA04 */
261                                 MX6QDL_PAD_EIM_DA5__GPIO3_IO05 0x400130b1
262                                 /* DISP1_DATA05 */
263                                 MX6QDL_PAD_EIM_DA4__GPIO3_IO04 0x400130b1
264                                 /* DISP1_DATA06 */
265                                 MX6QDL_PAD_EIM_DA3__GPIO3_IO03 0x400130b1
266                                 /* DISP1_DATA07 */
267                                 MX6QDL_PAD_EIM_DA2__GPIO3_IO02 0x400130b1
268                                 /* DI1_D0_CS */
269                                 MX6QDL_PAD_EIM_DA13__GPIO3_IO13 0x400130b1
270                                 /* DI1_D1_CS */
271                                 MX6QDL_PAD_EIM_DA14__GPIO3_IO14 0x400130b1
272                                 /* DI1_PIN01 */
273                                 MX6QDL_PAD_EIM_DA15__GPIO3_IO15 0x400130b1
274                                 /* DI1_PIN03 */
275                                 MX6QDL_PAD_EIM_DA12__GPIO3_IO12 0x400130b1
276                                 /* DISP1_DATA08 */
277                                 MX6QDL_PAD_EIM_DA1__GPIO3_IO01 0x400130b1
278                                 /* DISP1_DATA09 */
279                                 MX6QDL_PAD_EIM_DA0__GPIO3_IO00 0x400130b1
280                                 /* DISP1_DATA10 */
281                                 MX6QDL_PAD_EIM_EB1__GPIO2_IO29 0x400130b1
282                                 /* DISP1_DATA11 */
283                                 MX6QDL_PAD_EIM_EB0__GPIO2_IO28 0x400130b1
284                                 /* DISP1_DATA12 */
285                                 MX6QDL_PAD_EIM_A17__GPIO2_IO21 0x400130b1
286                                 /* DISP1_DATA13 */
287                                 MX6QDL_PAD_EIM_A18__GPIO2_IO20 0x400130b1
288                                 /* DISP1_DATA14 */
289                                 MX6QDL_PAD_EIM_A19__GPIO2_IO19 0x400130b1
290                                 /* DISP1_DATA15 */
291                                 MX6QDL_PAD_EIM_A20__GPIO2_IO18 0x400130b1
292                                 /* DISP1_DATA16 */
293                                 MX6QDL_PAD_EIM_A21__GPIO2_IO17 0x400130b1
294                                 /* DISP1_DATA17 */
295                                 MX6QDL_PAD_EIM_A22__GPIO2_IO16 0x400130b1
296                                 /* DISP1_DATA18 */
297                                 MX6QDL_PAD_EIM_A23__GPIO6_IO06 0x400130b1
298                                 /* DISP1_DATA19 */
299                                 MX6QDL_PAD_EIM_A24__GPIO5_IO04 0x400130b1
300                                 /* DISP1_DATA20 */
301                                 MX6QDL_PAD_EIM_D31__GPIO3_IO31 0x400130b1
302                                 /* DISP1_DATA21 */
303                                 MX6QDL_PAD_EIM_D30__GPIO3_IO30 0x400130b1
304                                 /* DISP1_DATA22 */
305                                 MX6QDL_PAD_EIM_D26__GPIO3_IO26 0x400130b1
306                                 /* DISP1_DATA23 */
307                                 MX6QDL_PAD_EIM_D27__GPIO3_IO27 0x400130b1
308                                 /* DI1_DISP_CLK */
309                                 MX6QDL_PAD_EIM_A16__GPIO2_IO22 0x400130b1
310                                 /* SPDIF_IN */
311                                 MX6QDL_PAD_ENET_RX_ER__GPIO1_IO24 0x400130b1
312                                 /* SPDIF_OUT */
313                                 MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x400130b1
314
315                                 /* MikroBUS GPIO pin number 10 */
316                                 MX6QDL_PAD_EIM_LBA__GPIO2_IO27 0x400130b1
317                         >;
318                 };
319
320                 pinctrl_hummingboard2_ecspi2: hummingboard2-ecspi2grp {
321                         fsl,pins = <
322                                 MX6QDL_PAD_EIM_OE__ECSPI2_MISO  0x100b1
323                                 MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI 0x100b1
324                                 MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK 0x100b1
325                                 MX6QDL_PAD_EIM_RW__GPIO2_IO26   0x000b1 /* CS */
326                         >;
327                 };
328
329                 pinctrl_hummingboard2_gpio7_9: hummingboard2-gpio7_9 {
330                         fsl,pins = <
331                                 MX6QDL_PAD_SD4_CMD__GPIO7_IO09 0x80000000
332                         >;
333                 };
334
335                 pinctrl_hummingboard2_hdmi: hummingboard2-hdmi {
336                         fsl,pins = <
337                                 MX6QDL_PAD_KEY_ROW2__HDMI_TX_CEC_LINE 0x1f8b0
338                         >;
339                 };
340
341                 pinctrl_hummingboard2_i2c1: hummingboard2-i2c1 {
342                         fsl,pins = <
343                                 MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
344                                 MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
345                         >;
346                 };
347
348                 pinctrl_hummingboard2_i2c2: hummingboard2-i2c2 {
349                         fsl,pins = <
350                                 MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
351                                 MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
352                         >;
353                 };
354
355                 pinctrl_hummingboard2_i2c3: hummingboard2-i2c3 {
356                         fsl,pins = <
357                                 MX6QDL_PAD_EIM_D17__I2C3_SCL 0x4001b8b1
358                                 MX6QDL_PAD_EIM_D18__I2C3_SDA 0x4001b8b1
359                         >;
360                 };
361
362                 pinctrl_hummingboard2_mipi: hummingboard2_mipi {
363                         fsl,pins = <
364                                 MX6QDL_PAD_SD4_DAT2__GPIO2_IO10 0x4001b8b1
365                                 MX6QDL_PAD_KEY_COL4__GPIO4_IO14 0x4001b8b1
366                                 MX6QDL_PAD_NANDF_CS2__CCM_CLKO2 0x130b0
367                         >;
368                 };
369
370                 pinctrl_hummingboard2_pcie_reset: hummingboard2-pcie-reset {
371                         fsl,pins = <
372                                 MX6QDL_PAD_SD4_DAT3__GPIO2_IO11 0x1b0b1
373                         >;
374                 };
375
376                 pinctrl_hummingboard2_pwm1: pwm1grp {
377                         fsl,pins = <
378                                 MX6QDL_PAD_DISP0_DAT8__PWM1_OUT 0x1b0b1
379                         >;
380                 };
381
382                 pinctrl_hummingboard2_pwm3: pwm3grp {
383                         fsl,pins = <
384                                 MX6QDL_PAD_SD4_DAT1__PWM3_OUT 0x1b0b1
385                         >;
386                 };
387
388                 pinctrl_hummingboard2_sgtl5000: hummingboard2-sgtl5000 {
389                         fsl,pins = <
390                                 MX6QDL_PAD_DISP0_DAT19__AUD5_RXD 0x130b0
391                                 MX6QDL_PAD_KEY_COL0__AUD5_TXC 0x130b0
392                                 MX6QDL_PAD_KEY_ROW0__AUD5_TXD 0x110b0
393                                 MX6QDL_PAD_KEY_COL1__AUD5_TXFS 0x130b0
394                                 MX6QDL_PAD_GPIO_5__CCM_CLKO1 0x130b0
395                         >;
396                 };
397
398                 pinctrl_hummingboard2_usbh1_vbus: hummingboard2-usbh1-vbus {
399                         fsl,pins = <MX6QDL_PAD_GPIO_0__GPIO1_IO00 0x1b0b0>;
400                 };
401
402                 pinctrl_hummingboard2_usbh2_vbus: hummingboard2-usbh2-vbus {
403                         fsl,pins = <MX6QDL_PAD_SD4_DAT5__GPIO2_IO13 0x1b0b0>;
404                 };
405
406                 pinctrl_hummingboard2_usbh3_vbus: hummingboard2-usbh3-vbus {
407                         fsl,pins = <MX6QDL_PAD_SD4_CLK__GPIO7_IO10 0x1b0b0>;
408                 };
409
410                 pinctrl_hummingboard2_usbotg_id: hummingboard2-usbotg-id {
411                         /*
412                          * Similar to pinctrl_usbotg_2, but we want it
413                          * pulled down for a fixed host connection.
414                          */
415                         fsl,pins = <MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x13059>;
416                 };
417
418                 pinctrl_hummingboard2_usbotg_vbus: hummingboard2-usbotg-vbus {
419                         fsl,pins = <MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x1b0b0>;
420                 };
421
422                 pinctrl_hummingboard2_usdhc2_aux: hummingboard2-usdhc2-aux {
423                         fsl,pins = <
424                                 MX6QDL_PAD_GPIO_4__GPIO1_IO04    0x1f071
425                                 MX6QDL_PAD_KEY_ROW1__SD2_VSELECT 0x1b071
426                         >;
427                 };
428
429                 pinctrl_hummingboard2_usdhc2: hummingboard2-usdhc2 {
430                         fsl,pins = <
431                                 MX6QDL_PAD_SD2_CMD__SD2_CMD    0x17059
432                                 MX6QDL_PAD_SD2_CLK__SD2_CLK    0x10059
433                                 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059
434                                 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059
435                                 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059
436                                 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x13059
437                         >;
438                 };
439
440                 pinctrl_hummingboard2_usdhc2_100mhz: hummingboard2-usdhc2-100mhz {
441                         fsl,pins = <
442                                 MX6QDL_PAD_SD2_CMD__SD2_CMD    0x170b9
443                                 MX6QDL_PAD_SD2_CLK__SD2_CLK    0x100b9
444                                 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170b9
445                                 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170b9
446                                 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170b9
447                                 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130b9
448                         >;
449                 };
450
451                 pinctrl_hummingboard2_usdhc2_200mhz: hummingboard2-usdhc2-200mhz {
452                         fsl,pins = <
453                                 MX6QDL_PAD_SD2_CMD__SD2_CMD    0x170f9
454                                 MX6QDL_PAD_SD2_CLK__SD2_CLK    0x100f9
455                                 MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x170f9
456                                 MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x170f9
457                                 MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x170f9
458                                 MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x130f9
459                         >;
460                 };
461
462                 pinctrl_hummingboard2_vmmc: hummingboard2-vmmc {
463                         fsl,pins = <
464                                 MX6QDL_PAD_DISP0_DAT9__GPIO4_IO30 0x1b0b0
465                         >;
466                 };
467
468                 pinctrl_hummingboard2_uart3: hummingboard2-uart3 {
469                         fsl,pins = <
470                                 MX6QDL_PAD_EIM_D25__UART3_TX_DATA       0x1b0b1
471                                 MX6QDL_PAD_EIM_D24__UART3_RX_DATA       0x40013000
472                         >;
473                 };
474         };
475 };
476
477 &pcie {
478         pinctrl-names = "default";
479         pinctrl-0 = <&pinctrl_hummingboard2_pcie_reset>;
480         reset-gpio = <&gpio2 11 GPIO_ACTIVE_LOW>;
481         status = "okay";
482 };
483
484 &pwm1 {
485         pinctrl-names = "default";
486         pinctrl-0 = <&pinctrl_hummingboard2_pwm1>;
487         status = "okay";
488 };
489
490 &pwm3 {
491         pinctrl-names = "default";
492         pinctrl-0 = <&pinctrl_hummingboard2_pwm3>;
493         status = "okay";
494 };
495
496 &ssi1 {
497         status = "okay";
498 };
499
500 &usbh1 {
501         disable-over-current;
502         status = "okay";
503 };
504
505 &usbotg {
506         disable-over-current;
507         pinctrl-names = "default";
508         pinctrl-0 = <&pinctrl_hummingboard2_usbotg_id>;
509         vbus-supply = <&v_usb1>;
510         status = "okay";
511 };
512
513 &usdhc2 {
514         pinctrl-names = "default", "state_100mhz", "state_200mhz";
515         pinctrl-0 = <
516                 &pinctrl_hummingboard2_usdhc2_aux
517                 &pinctrl_hummingboard2_usdhc2
518         >;
519         pinctrl-1 = <
520                 &pinctrl_hummingboard2_usdhc2_aux
521                 &pinctrl_hummingboard2_usdhc2_100mhz
522         >;
523         pinctrl-2 = <
524                 &pinctrl_hummingboard2_usdhc2_aux
525                 &pinctrl_hummingboard2_usdhc2_200mhz
526         >;
527         vmmc-supply = <&v_sd>;
528         cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
529         status = "okay";
530 };
531
532 &uart3 {
533         pinctrl-names = "default";
534         pinctrl-0 = <&pinctrl_hummingboard2_uart3>;
535         status = "okay";
536 };
537
538 &vcc_3v3 {
539         vin-supply = <&v_3v2>;
540 };