2 * at91rm9200.dtsi - Device Tree Include file for AT91RM9200 family SoC
4 * Copyright (C) 2011 Atmel,
5 * 2011 Nicolas Ferre <nicolas.ferre@atmel.com>,
6 * 2012 Joachim Eastwood <manabian@gmail.com>
8 * Based on at91sam9260.dtsi
10 * Licensed under GPLv2 or later.
13 #include "skeleton.dtsi"
14 #include <dt-bindings/pinctrl/at91.h>
15 #include <dt-bindings/interrupt-controller/irq.h>
16 #include <dt-bindings/gpio/gpio.h>
19 model = "Atmel AT91RM9200 family SoC";
20 compatible = "atmel,at91rm9200";
21 interrupt-parent = <&aic>;
45 compatible = "arm,arm920t";
51 reg = <0x20000000 0x04000000>;
55 compatible = "simple-bus";
61 compatible = "simple-bus";
66 aic: interrupt-controller@fffff000 {
67 #interrupt-cells = <3>;
68 compatible = "atmel,at91rm9200-aic";
70 reg = <0xfffff000 0x200>;
71 atmel,external-irqs = <25 26 27 28 29 30 31>;
74 ramc0: ramc@ffffff00 {
75 compatible = "atmel,at91rm9200-sdramc";
76 reg = <0xffffff00 0x100>;
80 compatible = "atmel,at91rm9200-pmc";
81 reg = <0xfffffc00 0x100>;
85 compatible = "atmel,at91rm9200-st";
86 reg = <0xfffffd00 0x100>;
87 interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
90 tcb0: timer@fffa0000 {
91 compatible = "atmel,at91rm9200-tcb";
92 reg = <0xfffa0000 0x100>;
93 interrupts = <17 IRQ_TYPE_LEVEL_HIGH 0
94 18 IRQ_TYPE_LEVEL_HIGH 0
95 19 IRQ_TYPE_LEVEL_HIGH 0>;
98 tcb1: timer@fffa4000 {
99 compatible = "atmel,at91rm9200-tcb";
100 reg = <0xfffa4000 0x100>;
101 interrupts = <20 IRQ_TYPE_LEVEL_HIGH 0
102 21 IRQ_TYPE_LEVEL_HIGH 0
103 22 IRQ_TYPE_LEVEL_HIGH 0>;
107 compatible = "atmel,at91rm9200-i2c";
108 reg = <0xfffb8000 0x4000>;
109 interrupts = <12 IRQ_TYPE_LEVEL_HIGH 6>;
110 pinctrl-names = "default";
111 pinctrl-0 = <&pinctrl_twi>;
112 #address-cells = <1>;
118 compatible = "atmel,hsmci";
119 reg = <0xfffb4000 0x4000>;
120 interrupts = <10 IRQ_TYPE_LEVEL_HIGH 0>;
121 #address-cells = <1>;
127 compatible = "atmel,at91rm9200-ssc";
128 reg = <0xfffd0000 0x4000>;
129 interrupts = <14 IRQ_TYPE_LEVEL_HIGH 5>;
130 pinctrl-names = "default";
131 pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
136 compatible = "atmel,at91rm9200-ssc";
137 reg = <0xfffd4000 0x4000>;
138 interrupts = <15 IRQ_TYPE_LEVEL_HIGH 5>;
139 pinctrl-names = "default";
140 pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>;
145 compatible = "atmel,at91rm9200-ssc";
146 reg = <0xfffd8000 0x4000>;
147 interrupts = <16 IRQ_TYPE_LEVEL_HIGH 5>;
148 pinctrl-names = "default";
149 pinctrl-0 = <&pinctrl_ssc2_tx &pinctrl_ssc2_rx>;
153 macb0: ethernet@fffbc000 {
154 compatible = "cdns,at91rm9200-emac", "cdns,emac";
155 reg = <0xfffbc000 0x4000>;
156 interrupts = <24 IRQ_TYPE_LEVEL_HIGH 3>;
158 pinctrl-names = "default";
159 pinctrl-0 = <&pinctrl_macb_rmii>;
164 #address-cells = <1>;
166 compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
167 ranges = <0xfffff400 0xfffff400 0x800>;
171 0xffffffff 0xffffffff /* pioA */
172 0xffffffff 0x083fffff /* pioB */
173 0xffff3fff 0x00000000 /* pioC */
174 0x03ff87ff 0x0fffff80 /* pioD */
177 /* shared pinctrl settings */
179 pinctrl_dbgu: dbgu-0 {
181 <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA30 periph A */
182 AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; /* PA31 periph with pullup */
187 pinctrl_uart0: uart0-0 {
189 <AT91_PIOA 17 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA17 periph A */
190 AT91_PIOA 18 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA18 periph A */
193 pinctrl_uart0_rts: uart0_rts-0 {
195 <AT91_PIOA 20 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA20 periph A */
198 pinctrl_uart0_cts: uart0_cts-0 {
200 <AT91_PIOA 21 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA21 periph A */
205 pinctrl_uart1: uart1-0 {
207 <AT91_PIOB 20 AT91_PERIPH_A AT91_PINCTRL_PULL_UP /* PB20 periph A with pullup */
208 AT91_PIOB 21 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB21 periph A */
211 pinctrl_uart1_rts: uart1_rts-0 {
213 <AT91_PIOB 24 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB24 periph A */
216 pinctrl_uart1_cts: uart1_cts-0 {
218 <AT91_PIOB 26 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB26 periph A */
221 pinctrl_uart1_dtr_dsr: uart1_dtr_dsr-0 {
223 <AT91_PIOB 19 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB19 periph A */
224 AT91_PIOB 25 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB25 periph A */
227 pinctrl_uart1_dcd: uart1_dcd-0 {
229 <AT91_PIOB 23 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB23 periph A */
232 pinctrl_uart1_ri: uart1_ri-0 {
234 <AT91_PIOB 18 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB18 periph A */
239 pinctrl_uart2: uart2-0 {
241 <AT91_PIOA 22 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA22 periph A */
242 AT91_PIOA 23 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; /* PA23 periph A with pullup */
245 pinctrl_uart2_rts: uart2_rts-0 {
247 <AT91_PIOA 30 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PA30 periph B */
250 pinctrl_uart2_cts: uart2_cts-0 {
252 <AT91_PIOA 31 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PA31 periph B */
257 pinctrl_uart3: uart3-0 {
259 <AT91_PIOA 5 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA5 periph B with pullup */
260 AT91_PIOA 6 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PA6 periph B */
263 pinctrl_uart3_rts: uart3_rts-0 {
265 <AT91_PIOB 0 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB0 periph B */
268 pinctrl_uart3_cts: uart3_cts-0 {
270 <AT91_PIOB 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB1 periph B */
275 pinctrl_nand: nand-0 {
277 <AT91_PIOC 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP /* PC2 gpio RDY pin pull_up */
278 AT91_PIOB 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; /* PB1 gpio CD pin pull_up */
283 pinctrl_macb_rmii: macb_rmii-0 {
285 <AT91_PIOA 7 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA7 periph A */
286 AT91_PIOA 8 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA8 periph A */
287 AT91_PIOA 9 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA9 periph A */
288 AT91_PIOA 10 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA10 periph A */
289 AT91_PIOA 11 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA11 periph A */
290 AT91_PIOA 12 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA12 periph A */
291 AT91_PIOA 13 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA13 periph A */
292 AT91_PIOA 14 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA14 periph A */
293 AT91_PIOA 15 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA15 periph A */
294 AT91_PIOA 16 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA16 periph A */
297 pinctrl_macb_rmii_mii: macb_rmii_mii-0 {
299 <AT91_PIOB 12 AT91_PERIPH_B AT91_PINCTRL_NONE /* PB12 periph B */
300 AT91_PIOB 13 AT91_PERIPH_B AT91_PINCTRL_NONE /* PB13 periph B */
301 AT91_PIOB 14 AT91_PERIPH_B AT91_PINCTRL_NONE /* PB14 periph B */
302 AT91_PIOB 15 AT91_PERIPH_B AT91_PINCTRL_NONE /* PB15 periph B */
303 AT91_PIOB 16 AT91_PERIPH_B AT91_PINCTRL_NONE /* PB16 periph B */
304 AT91_PIOB 17 AT91_PERIPH_B AT91_PINCTRL_NONE /* PB17 periph B */
305 AT91_PIOB 18 AT91_PERIPH_B AT91_PINCTRL_NONE /* PB18 periph B */
306 AT91_PIOB 19 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB19 periph B */
311 pinctrl_mmc0_clk: mmc0_clk-0 {
313 <AT91_PIOA 27 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA27 periph A */
316 pinctrl_mmc0_slot0_cmd_dat0: mmc0_slot0_cmd_dat0-0 {
318 <AT91_PIOA 28 AT91_PERIPH_A AT91_PINCTRL_PULL_UP /* PA28 periph A with pullup */
319 AT91_PIOA 29 AT91_PERIPH_A AT91_PINCTRL_PULL_UP>; /* PA29 periph A with pullup */
322 pinctrl_mmc0_slot0_dat1_3: mmc0_slot0_dat1_3-0 {
324 <AT91_PIOB 3 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PB3 periph B with pullup */
325 AT91_PIOB 4 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PB4 periph B with pullup */
326 AT91_PIOB 5 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; /* PB5 periph B with pullup */
329 pinctrl_mmc0_slot1_cmd_dat0: mmc0_slot1_cmd_dat0-0 {
331 <AT91_PIOA 8 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA8 periph B with pullup */
332 AT91_PIOA 9 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; /* PA9 periph B with pullup */
335 pinctrl_mmc0_slot1_dat1_3: mmc0_slot1_dat1_3-0 {
337 <AT91_PIOA 10 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA10 periph B with pullup */
338 AT91_PIOA 11 AT91_PERIPH_B AT91_PINCTRL_PULL_UP /* PA11 periph B with pullup */
339 AT91_PIOA 12 AT91_PERIPH_B AT91_PINCTRL_PULL_UP>; /* PA12 periph B with pullup */
344 pinctrl_ssc0_tx: ssc0_tx-0 {
346 <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB0 periph A */
347 AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB1 periph A */
348 AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB2 periph A */
351 pinctrl_ssc0_rx: ssc0_rx-0 {
353 <AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB3 periph A */
354 AT91_PIOB 4 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB4 periph A */
355 AT91_PIOB 5 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB5 periph A */
360 pinctrl_ssc1_tx: ssc1_tx-0 {
362 <AT91_PIOB 6 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB6 periph A */
363 AT91_PIOB 7 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB7 periph A */
364 AT91_PIOB 8 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB8 periph A */
367 pinctrl_ssc1_rx: ssc1_rx-0 {
369 <AT91_PIOB 9 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB9 periph A */
370 AT91_PIOB 10 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB10 periph A */
371 AT91_PIOB 11 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB11 periph A */
376 pinctrl_ssc2_tx: ssc2_tx-0 {
378 <AT91_PIOB 12 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB12 periph A */
379 AT91_PIOB 13 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB13 periph A */
380 AT91_PIOB 14 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB14 periph A */
383 pinctrl_ssc2_rx: ssc2_rx-0 {
385 <AT91_PIOB 15 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB15 periph A */
386 AT91_PIOB 16 AT91_PERIPH_A AT91_PINCTRL_NONE /* PB16 periph A */
387 AT91_PIOB 17 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PB17 periph A */
394 <AT91_PIOA 25 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE /* PA25 periph A with multi drive */
395 AT91_PIOA 26 AT91_PERIPH_A AT91_PINCTRL_MULTI_DRIVE>; /* PA26 periph A with multi drive */
398 pinctrl_twi_gpio: twi_gpio-0 {
400 <AT91_PIOA 25 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE /* PA25 GPIO with multi drive */
401 AT91_PIOA 26 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PA26 GPIO with multi drive */
406 pinctrl_tcb0_tclk0: tcb0_tclk0-0 {
407 atmel,pins = <AT91_PIOA 13 AT91_PERIPH_B AT91_PINCTRL_NONE>;
410 pinctrl_tcb0_tclk1: tcb0_tclk1-0 {
411 atmel,pins = <AT91_PIOA 14 AT91_PERIPH_B AT91_PINCTRL_NONE>;
414 pinctrl_tcb0_tclk2: tcb0_tclk2-0 {
415 atmel,pins = <AT91_PIOA 15 AT91_PERIPH_B AT91_PINCTRL_NONE>;
418 pinctrl_tcb0_tioa0: tcb0_tioa0-0 {
419 atmel,pins = <AT91_PIOA 17 AT91_PERIPH_B AT91_PINCTRL_NONE>;
422 pinctrl_tcb0_tioa1: tcb0_tioa1-0 {
423 atmel,pins = <AT91_PIOA 19 AT91_PERIPH_B AT91_PINCTRL_NONE>;
426 pinctrl_tcb0_tioa2: tcb0_tioa2-0 {
427 atmel,pins = <AT91_PIOA 21 AT91_PERIPH_B AT91_PINCTRL_NONE>;
430 pinctrl_tcb0_tiob0: tcb0_tiob0-0 {
431 atmel,pins = <AT91_PIOA 18 AT91_PERIPH_B AT91_PINCTRL_NONE>;
434 pinctrl_tcb0_tiob1: tcb0_tiob1-0 {
435 atmel,pins = <AT91_PIOA 20 AT91_PERIPH_B AT91_PINCTRL_NONE>;
438 pinctrl_tcb0_tiob2: tcb0_tiob2-0 {
439 atmel,pins = <AT91_PIOA 22 AT91_PERIPH_B AT91_PINCTRL_NONE>;
444 pinctrl_tcb1_tclk0: tcb1_tclk0-0 {
445 atmel,pins = <AT91_PIOA 27 AT91_PERIPH_B AT91_PINCTRL_NONE>;
448 pinctrl_tcb1_tclk1: tcb1_tclk1-0 {
449 atmel,pins = <AT91_PIOA 28 AT91_PERIPH_B AT91_PINCTRL_NONE>;
452 pinctrl_tcb1_tclk2: tcb1_tclk2-0 {
453 atmel,pins = <AT91_PIOA 29 AT91_PERIPH_B AT91_PINCTRL_NONE>;
456 pinctrl_tcb1_tioa0: tcb1_tioa0-0 {
457 atmel,pins = <AT91_PIOB 6 AT91_PERIPH_B AT91_PINCTRL_NONE>;
460 pinctrl_tcb1_tioa1: tcb1_tioa1-0 {
461 atmel,pins = <AT91_PIOB 8 AT91_PERIPH_B AT91_PINCTRL_NONE>;
464 pinctrl_tcb1_tioa2: tcb1_tioa2-0 {
465 atmel,pins = <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
468 pinctrl_tcb1_tiob0: tcb1_tiob0-0 {
469 atmel,pins = <AT91_PIOB 7 AT91_PERIPH_B AT91_PINCTRL_NONE>;
472 pinctrl_tcb1_tiob1: tcb1_tiob1-0 {
473 atmel,pins = <AT91_PIOB 9 AT91_PERIPH_B AT91_PINCTRL_NONE>;
476 pinctrl_tcb1_tiob2: tcb1_tiob2-0 {
477 atmel,pins = <AT91_PIOB 11 AT91_PERIPH_B AT91_PINCTRL_NONE>;
482 pinctrl_spi0: spi0-0 {
484 <AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA0 periph A SPI0_MISO pin */
485 AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA1 periph A SPI0_MOSI pin */
486 AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA2 periph A SPI0_SPCK pin */
490 pioA: gpio@fffff400 {
491 compatible = "atmel,at91rm9200-gpio";
492 reg = <0xfffff400 0x200>;
493 interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
496 interrupt-controller;
497 #interrupt-cells = <2>;
500 pioB: gpio@fffff600 {
501 compatible = "atmel,at91rm9200-gpio";
502 reg = <0xfffff600 0x200>;
503 interrupts = <3 IRQ_TYPE_LEVEL_HIGH 1>;
506 interrupt-controller;
507 #interrupt-cells = <2>;
510 pioC: gpio@fffff800 {
511 compatible = "atmel,at91rm9200-gpio";
512 reg = <0xfffff800 0x200>;
513 interrupts = <4 IRQ_TYPE_LEVEL_HIGH 1>;
516 interrupt-controller;
517 #interrupt-cells = <2>;
520 pioD: gpio@fffffa00 {
521 compatible = "atmel,at91rm9200-gpio";
522 reg = <0xfffffa00 0x200>;
523 interrupts = <5 IRQ_TYPE_LEVEL_HIGH 1>;
526 interrupt-controller;
527 #interrupt-cells = <2>;
531 dbgu: serial@fffff200 {
532 compatible = "atmel,at91rm9200-usart";
533 reg = <0xfffff200 0x200>;
534 interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
535 pinctrl-names = "default";
536 pinctrl-0 = <&pinctrl_dbgu>;
540 usart0: serial@fffc0000 {
541 compatible = "atmel,at91rm9200-usart";
542 reg = <0xfffc0000 0x200>;
543 interrupts = <6 IRQ_TYPE_LEVEL_HIGH 5>;
546 pinctrl-names = "default";
547 pinctrl-0 = <&pinctrl_uart0>;
551 usart1: serial@fffc4000 {
552 compatible = "atmel,at91rm9200-usart";
553 reg = <0xfffc4000 0x200>;
554 interrupts = <7 IRQ_TYPE_LEVEL_HIGH 5>;
557 pinctrl-names = "default";
558 pinctrl-0 = <&pinctrl_uart1>;
562 usart2: serial@fffc8000 {
563 compatible = "atmel,at91rm9200-usart";
564 reg = <0xfffc8000 0x200>;
565 interrupts = <8 IRQ_TYPE_LEVEL_HIGH 5>;
568 pinctrl-names = "default";
569 pinctrl-0 = <&pinctrl_uart2>;
573 usart3: serial@fffcc000 {
574 compatible = "atmel,at91rm9200-usart";
575 reg = <0xfffcc000 0x200>;
576 interrupts = <23 IRQ_TYPE_LEVEL_HIGH 5>;
579 pinctrl-names = "default";
580 pinctrl-0 = <&pinctrl_uart3>;
584 usb1: gadget@fffb0000 {
585 compatible = "atmel,at91rm9200-udc";
586 reg = <0xfffb0000 0x4000>;
587 interrupts = <11 IRQ_TYPE_LEVEL_HIGH 2>;
592 #address-cells = <1>;
594 compatible = "atmel,at91rm9200-spi";
595 reg = <0xfffe0000 0x200>;
596 interrupts = <13 IRQ_TYPE_LEVEL_HIGH 3>;
597 pinctrl-names = "default";
598 pinctrl-0 = <&pinctrl_spi0>;
603 nand0: nand@40000000 {
604 compatible = "atmel,at91rm9200-nand";
605 #address-cells = <1>;
607 reg = <0x40000000 0x10000000>;
608 atmel,nand-addr-offset = <21>;
609 atmel,nand-cmd-offset = <22>;
610 pinctrl-names = "default";
611 pinctrl-0 = <&pinctrl_nand>;
612 nand-ecc-mode = "soft";
613 gpios = <&pioC 2 GPIO_ACTIVE_HIGH
615 &pioB 1 GPIO_ACTIVE_HIGH
620 usb0: ohci@00300000 {
621 compatible = "atmel,at91rm9200-ohci", "usb-ohci";
622 reg = <0x00300000 0x100000>;
623 interrupts = <23 IRQ_TYPE_LEVEL_HIGH 2>;
629 compatible = "i2c-gpio";
630 gpios = <&pioA 25 GPIO_ACTIVE_HIGH /* sda */
631 &pioA 26 GPIO_ACTIVE_HIGH /* scl */
633 i2c-gpio,sda-open-drain;
634 i2c-gpio,scl-open-drain;
635 i2c-gpio,delay-us = <2>; /* ~100 kHz */
636 pinctrl-names = "default";
637 pinctrl-0 = <&pinctrl_twi_gpio>;
638 #address-cells = <1>;