1 // SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
2 /*
3 * Copyright 2018-2022 TQ-Systems GmbH
4 * Author: Markus Niebel <Markus.Niebel@tq-group.com>
5 */
6
7 / {
8 model = "TQ-Systems MBA6ULx Baseboard";
9
10 aliases {
11 mmc0 = &usdhc2;
12 mmc1 = &usdhc1;
13 rtc0 = &rtc0;
14 rtc1 = &snvs_rtc;
15 };
16
17 chosen {
18 stdout-path = &uart1;
19 };
20
21 backlight: backlight {
22 compatible = "pwm-backlight";
23 power-supply = <®_mba6ul_3v3>;
24 enable-gpios = <&expander_out0 4 GPIO_ACTIVE_HIGH>;
25 status = "disabled";
26 };
27
28 beeper: beeper {
29 compatible = "gpio-beeper";
30 gpios = <&expander_out1 6 GPIO_ACTIVE_HIGH>;
31 };
32
33 gpio_buttons: gpio-keys {
34 compatible = "gpio-keys";
35 pinctrl-names = "default";
36 pinctrl-0 = <&pinctrl_buttons>;
37
38 button-1 {
39 label = "s14";
40 linux,code = <KEY_1>;
41 gpios = <&expander_in0 0 GPIO_ACTIVE_LOW>;
42 wakeup-source;
43 };
44
45 button-2 {
46 label = "s6";
47 linux,code = <KEY_2>;
48 gpios = <&expander_in0 1 GPIO_ACTIVE_LOW>;
49 wakeup-source;
50 };
51
52 button-3 {
53 label = "s7";
54 linux,code = <KEY_3>;
55 gpios = <&expander_in0 2 GPIO_ACTIVE_LOW>;
56 wakeup-source;
57 };
58
59 power-button {
60 label = "POWER";
61 linux,code = <KEY_POWER>;
62 gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
63 wakeup-source;
64 };
65 };
66
67 gpio-leds {
68 compatible = "gpio-leds";
69 status = "okay";
70
71 led1 {
72 label = "led1";
73 gpios = <&expander_out1 4 GPIO_ACTIVE_HIGH>;
74 linux,default-trigger = "default-on";
75 };
76
77 led2 {
78 label = "led2";
79 gpios = <&expander_out1 5 GPIO_ACTIVE_HIGH>;
80 linux,default-trigger = "heartbeat";
81 };
82 };
83
84 reg_lcd_pwr: regulator-lcd-pwr {
85 compatible = "regulator-fixed";
86 regulator-name = "lcd-pwr";
87 gpio = <&expander_out0 1 GPIO_ACTIVE_HIGH>;
88 enable-active-high;
89 status = "disabled";
90 };
91
92 reg_mba6ul_3v3: regulator-mba6ul-3v3 {
93 compatible = "regulator-fixed";
94 regulator-name = "supply-mba6ul-3v3";
95 regulator-min-microvolt = <3300000>;
96 regulator-max-microvolt = <3300000>;
97 regulator-always-on;
98 };
99
100 reg_mba6ul_5v0: regulator-mba6ul-5v0 {
101 compatible = "regulator-fixed";
102 regulator-name = "supply-mba6ul-5v0";
103 regulator-min-microvolt = <5000000>;
104 regulator-max-microvolt = <5000000>;
105 regulator-always-on;
106 };
107
108 reg_mpcie: regulator-mpcie-3v3 {
109 compatible = "regulator-fixed";
110 regulator-name = "mpcie-3v3";
111 regulator-min-microvolt = <3300000>;
112 regulator-max-microvolt = <3300000>;
113 gpio = <&expander_out0 2 GPIO_ACTIVE_HIGH>;
114 enable-active-high;
115 regulator-always-on;
116 startup-delay-us = <500000>;
117 vin-supply = <®_mba6ul_3v3>;
118 };
119
120 reg_otg2vbus_5v0: regulator-otg2-vbus-5v0 {
121 compatible = "regulator-fixed";
122 gpio = <&expander_out1 0 GPIO_ACTIVE_HIGH>;
123 enable-active-high;
124 regulator-name = "otg2-vbus-supply-5v0";
125 regulator-min-microvolt = <5000000>;
126 regulator-max-microvolt = <5000000>;
127 vin-supply = <®_mpcie>;
128 };
129
130 reserved-memory {
131 #address-cells = <1>;
132 #size-cells = <1>;
133 ranges;
134
135 linux,cma {
136 compatible = "shared-dma-pool";
137 reusable;
138 size = <0x6000000>;
139 linux,cma-default;
140 };
141 };
142
143 sound {
144 compatible = "fsl,imx-audio-tlv320aic32x4";
145 model = "imx-audio-tlv320aic32x4";
146 ssi-controller = <&sai1>;
147 audio-codec = <&tlv320aic32x4>;
148 audio-asrc = <&asrc>;
149 };
150 };
151
152 &can1 {
153 pinctrl-names = "default";
154 pinctrl-0 = <&pinctrl_flexcan1>;
155 xceiver-supply = <®_mba6ul_3v3>;
156 status = "okay";
157 };
158
159 &can2 {
160 pinctrl-names = "default";
161 pinctrl-0 = <&pinctrl_flexcan2>;
162 xceiver-supply = <®_mba6ul_3v3>;
163 status = "okay";
164 };
165
166 &clks {
167 assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
168 assigned-clock-rates = <768000000>;
169 };
170
171 &ecspi2 {
172 pinctrl-names = "default";
173 pinctrl-0 = <&pinctrl_ecspi2>;
174 num-cs = <1>;
175 status = "okay";
176 };
177
178 &fec1 {
179 pinctrl-names = "default";
180 pinctrl-0 = <&pinctrl_enet1>;
181 phy-mode = "rmii";
182 phy-handle = <ðphy0>;
183 phy-supply = <®_mba6ul_3v3>;
184 phy-reset-gpios = <&expander_out1 1 GPIO_ACTIVE_LOW>;
185 phy-reset-duration = <25>;
186 phy-reset-post-delay = <1>;
187 status = "okay";
188 };
189
190 &fec2 {
191 pinctrl-names = "default";
192 pinctrl-0 = <&pinctrl_enet2>, <&pinctrl_enet2_mdc>;
193 phy-mode = "rmii";
194 phy-handle = <ðphy1>;
195 phy-supply = <®_mba6ul_3v3>;
196 phy-reset-gpios = <&expander_out1 2 GPIO_ACTIVE_LOW>;
197 phy-reset-duration = <25>;
198 phy-reset-post-delay = <1>;
199 status = "okay";
200
201 mdio {
202 #address-cells = <1>;
203 #size-cells = <0>;
204
205 ethphy0: ethernet-phy@0 {
206 compatible = "ethernet-phy-ieee802.3-c22";
207 clocks = <&clks IMX6UL_CLK_ENET_REF>;
208 reg = <0>;
209 max-speed = <100>;
210 };
211
212 ethphy1: ethernet-phy@1 {
213 compatible = "ethernet-phy-ieee802.3-c22";
214 clocks = <&clks IMX6UL_CLK_ENET2_REF_125M>;
215 reg = <1>;
216 max-speed = <100>;
217 };
218 };
219 };
220
221 &i2c4 {
222 tlv320aic32x4: audio-codec@18 {
223 compatible = "ti,tlv320aic32x4";
224 reg = <0x18>;
225 clocks = <&clks IMX6UL_CLK_SAI1>;
226 clock-names = "mclk";
227 ldoin-supply = <®_mba6ul_3v3>;
228 iov-supply = <®_mba6ul_3v3>;
229 };
230
231 jc42: temperature-sensor@19 {
232 compatible = "nxp,se97b", "jedec,jc-42.4-temp";
233 reg = <0x19>;
234 };
235
236 expander_out0: gpio-expander@20 {
237 compatible = "nxp,pca9554";
238 reg = <0x20>;
239 gpio-controller;
240 #gpio-cells = <2>;
241 vcc-supply = <®_mba6ul_3v3>;
242 };
243
244 expander_in0: gpio-expander@21 {
245 compatible = "nxp,pca9554";
246 reg = <0x21>;
247 pinctrl-names = "default";
248 pinctrl-0 = <&pinctrl_expander_in0>;
249 interrupt-parent = <&gpio4>;
250 interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
251 interrupt-controller;
252 #interrupt-cells = <2>;
253 gpio-controller;
254 #gpio-cells = <2>;
255 vcc-supply = <®_mba6ul_3v3>;
256
257 enet1_int-hog {
258 gpio-hog;
259 gpios = <6 0>;
260 input;
261 };
262
263 enet2_int-hog {
264 gpio-hog;
265 gpios = <7 0>;
266 input;
267 };
268 };
269
270 expander_out1: gpio-expander@22 {
271 compatible = "nxp,pca9554";
272 reg = <0x22>;
273 gpio-controller;
274 #gpio-cells = <2>;
275 vcc-supply = <®_mba6ul_3v3>;
276 };
277
278 analog_touch: touchscreen@41 {
279 compatible = "st,stmpe811";
280 reg = <0x41>;
281 interrupts = <21 IRQ_TYPE_EDGE_FALLING>;
282 interrupt-parent = <&gpio4>;
283 status = "disabled";
284
285 touchscreen {
286 compatible = "st,stmpe-ts";
287 st,adc-freq = <1>; /* 3.25 MHz ADC clock speed */
288 st,ave-ctrl = <3>; /* 8 sample average control */
289 st,fraction-z = <7>; /* 7 length fractional part in z */
290 /*
291 * 50 mA typical 80 mA max touchscreen drivers
292 * current limit value
293 */
294 st,i-drive = <1>;
295 st,mod-12b = <1>; /* 12-bit ADC */
296 st,ref-sel = <0>; /* internal ADC reference */
297 st,sample-time = <4>; /* ADC converstion time: 80 clocks */
298 st,settling = <3>; /* 1 ms panel driver settling time */
299 st,touch-det-delay = <5>; /* 5 ms touch detect interrupt delay */
300 };
301 };
302
303 /* NXP SE97BTP with temperature sensor + eeprom */
304 se97b: eeprom@51 {
305 compatible = "nxp,se97b", "atmel,24c02";
306 reg = <0x51>;
307 pagesize = <16>;
308 vcc-supply = <®_mba6ul_3v3>;
309 };
310 };
311
312 &pwm2 {
313 pinctrl-names = "default";
314 pinctrl-0 = <&pinctrl_pwm2>;
315 status = "okay";
316 };
317
318 &sai1 {
319 pinctrl-names = "default";
320 pinctrl-0 = <&pinctrl_sai1>;
321 assigned-clocks = <&clks IMX6UL_CLK_SAI1_SEL>,
322 <&clks IMX6UL_CLK_SAI1>;
323 assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
324 assigned-clock-rates = <0>, <24000000>;
325 fsl,sai-mclk-direction-output;
326 status = "okay";
327 };
328
329 &uart1 {
330 pinctrl-names = "default";
331 pinctrl-0 = <&pinctrl_uart1>;
332 status = "okay";
333 };
334
335 &uart3 {
336 pinctrl-names = "default";
337 pinctrl-0 = <&pinctrl_uart3>;
338 status = "okay";
339 };
340
341 &uart6 {
342 pinctrl-names = "default";
343 pinctrl-0 = <&pinctrl_uart6>;
344 /* for DTE mode, add below change */
345 /* fsl,dte-mode; */
346 /* pinctrl-0 = <&pinctrl_uart6dte>; */
347 uart-has-rtscts;
348 linux,rs485-enabled-at-boot-time;
349 rs485-rts-active-low;
350 rs485-rx-during-tx;
351 status = "okay";
352 };
353
354 /* otg-port */
355 &usbotg1 {
356 pinctrl-names = "default";
357 pinctrl-0 = <&pinctrl_usb_otg1>;
358 power-active-high;
359 over-current-active-low;
360 /* we implement only dual role but not a fully featured OTG */
361 hnp-disable;
362 srp-disable;
363 adp-disable;
364 dr_mode = "otg";
365 status = "okay";
366 };
367
368 /* 7-port usb hub */
369 /* id, pwr, oc pins not connected */
370 &usbotg2 {
371 disable-over-current;
372 vbus-supply = <®_otg2vbus_5v0>;
373 dr_mode = "host";
374 status = "okay";
375 };
376
377 &usdhc1 {
378 pinctrl-names = "default";
379 pinctrl-0 = <&pinctrl_usdhc1>;
380 cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
381 wp-gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
382 bus-width = <4>;
383 vmmc-supply = <®_mba6ul_3v3>;
384 vqmmc-supply = <®_vccsd>;
385 no-1-8-v;
386 no-mmc;
387 no-sdio;
388 status = "okay";
389 };
390
391 &wdog1 {
392 pinctrl-names = "default";
393 pinctrl-0 = <&pinctrl_wdog1>;
394 fsl,ext-reset-output;
395 status = "okay";
396 };
397
398 &iomuxc {
399 pinctrl_buttons: buttonsgrp {
400 fsl,pins = <
401 MX6UL_PAD_GPIO1_IO03__GPIO1_IO03 0x100b0
402 >;
403 };
404
405 pinctrl_ecspi2: ecspi2grp {
406 fsl,pins = <
407 MX6UL_PAD_UART4_TX_DATA__ECSPI2_SCLK 0x1b020
408 MX6UL_PAD_UART5_RX_DATA__ECSPI2_MISO 0x1b020
409 MX6UL_PAD_UART5_TX_DATA__ECSPI2_MOSI 0x1b020
410 MX6UL_PAD_UART4_RX_DATA__ECSPI2_SS0 0x1b020
411 >;
412 };
413
414 pinctrl_enet1: enet1grp {
415 fsl,pins = <
416 MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
417 MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0
418 MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
419 MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
420 MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
421 MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
422 MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
423 MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b0a8
424 >;
425 };
426
427 pinctrl_enet2: enet2grp {
428 fsl,pins = <
429 MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0
430 MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0
431 MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0
432 MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0
433 MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0a0
434 MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0a0
435 MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0
436 MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b0a8
437 >;
438 };
439
440 pinctrl_enet2_mdc: enet2mdcgrp {
441 fsl,pins = <
442 /* mdio */
443 MX6UL_PAD_GPIO1_IO07__ENET2_MDC 0x1b0b0
444 MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 0x1b0b0
445 >;
446 };
447
448 pinctrl_expander_in0: expanderin0grp {
449 fsl,pins = <
450 MX6UL_PAD_CSI_DATA02__GPIO4_IO23 0x1b0b1
451 >;
452 };
453
454 pinctrl_flexcan1: flexcan1grp {
455 fsl,pins = <
456 MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX 0x1b020
457 MX6UL_PAD_UART3_CTS_B__FLEXCAN1_TX 0x1b020
458 >;
459 };
460
461 pinctrl_flexcan2: flexcan2grp {
462 fsl,pins = <
463 MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX 0x1b020
464 MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX 0x1b020
465 >;
466 };
467
468 pinctrl_pwm2: pwm2grp {
469 fsl,pins = <
470 /* 100 k PD, DSE 120 OHM, SPEED LO */
471 MX6UL_PAD_GPIO1_IO09__PWM2_OUT 0x00003050
472 >;
473 };
474
475 pinctrl_sai1: sai1grp {
476 fsl,pins = <
477 MX6UL_PAD_CSI_DATA05__SAI1_TX_BCLK 0x1b0b1
478 MX6UL_PAD_CSI_DATA04__SAI1_TX_SYNC 0x1b0b1
479 MX6UL_PAD_CSI_DATA07__SAI1_TX_DATA 0x1f0b8
480 MX6UL_PAD_CSI_DATA06__SAI1_RX_DATA 0x110b0
481 MX6UL_PAD_CSI_DATA01__SAI1_MCLK 0x1b0b1
482 >;
483 };
484
485 pinctrl_uart1: uart1grp {
486 fsl,pins = <
487 MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
488 MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
489 >;
490 };
491
492 pinctrl_uart3: uart3grp {
493 fsl,pins = <
494 MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1
495 MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX 0x1b0b1
496 >;
497 };
498
499 pinctrl_uart6: uart6grp {
500 fsl,pins = <
501 MX6UL_PAD_CSI_MCLK__UART6_DCE_TX 0x1b0b1
502 MX6UL_PAD_CSI_PIXCLK__UART6_DCE_RX 0x1b0b1
503 MX6UL_PAD_CSI_VSYNC__UART6_DCE_RTS 0x1b0b1
504 MX6UL_PAD_CSI_HSYNC__UART6_DCE_CTS 0x1b0b1
505 >;
506 };
507
508 pinctrl_uart6dte: uart6dtegrp {
509 fsl,pins = <
510 MX6UL_PAD_CSI_PIXCLK__UART6_DTE_TX 0x1b0b1
511 MX6UL_PAD_CSI_MCLK__UART6_DTE_RX 0x1b0b1
512 MX6UL_PAD_CSI_HSYNC__UART6_DTE_RTS 0x1b0b1
513 MX6UL_PAD_CSI_VSYNC__UART6_DTE_CTS 0x1b0b1
514 >;
515 };
516
517 pinctrl_usb_otg1: usbotg1grp {
518 fsl,pins = <
519 MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID 0x00017059
520 MX6UL_PAD_GPIO1_IO01__USB_OTG1_OC 0x0001b0b0
521 MX6UL_PAD_GPIO1_IO04__USB_OTG1_PWR 0x0001b099
522 >;
523 };
524
525 pinctrl_usdhc1: usdhc1grp {
526 fsl,pins = <
527 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x00017069
528 MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x00017059
529 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x00017059
530 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x00017059
531 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x00017059
532 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x00017059
533 /* WP */
534 MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x0001b099
535 /* CD */
536 MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x0001b099
537 >;
538 };
539
540 pinctrl_usdhc1_100mhz: usdhc1-100mhz-grp {
541 fsl,pins = <
542 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x00017069
543 MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x000170b9
544 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x000170b9
545 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x000170b9
546 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x000170b9
547 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x000170b9
548 /* WP */
549 MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x0001b099
550 /* CD */
551 MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x0001b099
552 >;
553 };
554
555 pinctrl_usdhc1_200mhz: usdhc1-200mhz-grp {
556 fsl,pins = <
557 MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x00017069
558 MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x000170f9
559 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x000170f9
560 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x000170f9
561 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x000170f9
562 MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x000170f9
563 /* WP */
564 MX6UL_PAD_UART1_CTS_B__GPIO1_IO18 0x0001b099
565 /* CD */
566 MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x0001b099
567 >;
568 };
569
570 pinctrl_wdog1: wdog1grp {
571 fsl,pins = <
572 MX6UL_PAD_GPIO1_IO08__WDOG1_WDOG_B 0x0001b099
573 >;
574 };
575 };
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