1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
3 * at91-sama5d2_icp.dts - Device Tree file for SAMA5D2-ICP board
5 * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
7 * Author: Radu Pirea & Razvan Stefanescu,
8 * Codrin Ciubotariu <codrin.ciubotariu@microchip.com>,
9 * Cristian Birsan <cristian.birsan@microchip.com>
12 #include "sama5d2.dtsi"
13 #include "sama5d2-pinfunc.h"
14 #include <dt-bindings/gpio/gpio.h>
15 #include <dt-bindings/input/input.h>
16 #include <dt-bindings/mfd/atmel-flexcom.h>
19 model = "Microchip SAMA5D2-ICP";
20 compatible = "microchip,sama5d2-icp", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
23 serial0 = &uart0; /* debug uart0 + mikro BUS 1 */
24 serial1 = &uart1; /* mikro BUS 3 */
25 serial3 = &uart3; /* mikro BUS 2 */
26 serial5 = &uart7; /* flx2 */
32 stdout-path = "serial0:115200n8";
37 clock-frequency = <32768>;
41 clock-frequency = <12000000>;
46 compatible = "gpio-keys";
48 pinctrl-names = "default";
49 pinctrl-0 = <&pinctrl_key_gpio_default>;
53 gpios = <&pioA PIN_PD0 GPIO_ACTIVE_LOW>;
54 linux,code = <KEY_PROG1>;
60 compatible = "gpio-leds";
61 pinctrl-names = "default";
62 pinctrl-0 = <&pinctrl_led_gpio_default>;
63 status = "okay"; /* conflict with pwm0 */
67 gpios = <&pioA PIN_PB0 GPIO_ACTIVE_HIGH>;
72 gpios = <&pioA PIN_PB1 GPIO_ACTIVE_HIGH>;
77 gpios = <&pioA PIN_PA31 GPIO_ACTIVE_HIGH>;
78 linux,default-trigger = "heartbeat";
84 vddana-supply = <&vdd_io_reg>;
85 vref-supply = <&vdd_io_reg>;
86 pinctrl-names = "default";
87 pinctrl-0 = <&pinctrl_adc_default &pinctrl_adtrg_default>;
92 pinctrl-names = "default";
93 pinctrl-0 = <&pinctrl_can0_default>;
98 pinctrl-names = "default";
99 pinctrl-0 = <&pinctrl_can1_default>;
103 &flx0 { /* mikrobus2 spi */
104 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
109 cs-gpios = <&pioA PIN_PC0 GPIO_ACTIVE_LOW>;
110 pinctrl-names = "default";
111 pinctrl-0 = <&pinctrl_mikrobus2_spi &pinctrl_ksz_spi_cs>;
113 #address-cells = <1>;
117 compatible = "microchip,ksz8563";
119 reset-gpios = <&pioA PIN_PD4 GPIO_ACTIVE_LOW>;
121 spi-max-frequency = <500000>;
126 #address-cells = <1>;
154 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
158 pinctrl-0 = <&pinctrl_flx2_default>;
159 pinctrl-names = "default";
162 status = "okay"; /* Conflict w/ qspi1. */
166 &flx3 { /* mikrobus1 spi */
167 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_SPI>;
172 pinctrl-names = "default";
173 pinctrl-0 = <&pinctrl_mikrobus1_spi &pinctrl_mikrobus1_spi_cs>;
179 atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
184 pinctrl-names = "default";
185 pinctrl-0 = <&pinctrl_flx4_default>;
187 i2c-digital-filter-width-ns = <35>;
191 compatible = "microchip,mcp16502";
194 lpm-gpios = <&pioBU 7 GPIO_ACTIVE_LOW>;
198 regulator-name = "VDD_IO";
199 regulator-min-microvolt = <3300000>;
200 regulator-max-microvolt = <3300000>;
201 regulator-initial-mode = <2>;
202 regulator-allowed-modes = <2>, <4>;
205 regulator-state-standby {
206 regulator-on-in-suspend;
207 regulator-mode = <4>;
210 regulator-state-mem {
211 regulator-off-in-suspend;
212 regulator-mode = <4>;
217 regulator-name = "VDD_DDR";
218 regulator-min-microvolt = <1350000>;
219 regulator-max-microvolt = <1350000>;
220 regulator-initial-mode = <2>;
221 regulator-allowed-modes = <2>, <4>;
224 regulator-state-standby {
225 regulator-on-in-suspend;
226 regulator-mode = <4>;
229 regulator-state-mem {
230 regulator-on-in-suspend;
231 regulator-mode = <4>;
236 regulator-name = "VDD_CORE";
237 regulator-min-microvolt = <1250000>;
238 regulator-max-microvolt = <1250000>;
239 regulator-initial-mode = <2>;
240 regulator-allowed-modes = <2>, <4>;
243 regulator-state-standby {
244 regulator-on-in-suspend;
245 regulator-mode = <4>;
248 regulator-state-mem {
249 regulator-off-in-suspend;
250 regulator-mode = <4>;
255 regulator-name = "VDD_OTHER";
256 regulator-min-microvolt = <600000>;
257 regulator-max-microvolt = <1850000>;
258 regulator-initial-mode = <2>;
259 regulator-allowed-modes = <2>, <4>;
261 regulator-state-standby {
262 regulator-on-in-suspend;
263 regulator-mode = <4>;
266 regulator-state-mem {
267 regulator-off-in-suspend;
268 regulator-mode = <4>;
273 regulator-name = "LDO1";
274 regulator-min-microvolt = <2500000>;
275 regulator-max-microvolt = <2500000>;
278 regulator-state-standby {
279 regulator-on-in-suspend;
282 regulator-state-mem {
283 regulator-off-in-suspend;
288 regulator-name = "LDO2";
289 regulator-min-microvolt = <3300000>;
290 regulator-max-microvolt = <3300000>;
293 regulator-state-standby {
294 regulator-on-in-suspend;
297 regulator-state-mem {
298 regulator-off-in-suspend;
307 &i2c0 { /* mikrobus i2c */
308 pinctrl-names = "default", "gpio";
309 pinctrl-0 = <&pinctrl_mikrobus_i2c>;
310 pinctrl-1 = <&pinctrl_i2c0_gpio>;
311 sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>;
312 scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
314 i2c-digital-filter-width-ns = <35>;
320 pinctrl-names = "default", "gpio";
321 pinctrl-0 = <&pinctrl_i2c1_default>;
322 pinctrl-1 = <&pinctrl_i2c1_gpio>;
323 sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>;
324 scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
326 i2c-digital-filter-width-ns = <35>;
330 compatible = "atmel,24c02";
337 compatible = "atmel,24c02";
344 compatible = "atmel,24c02";
352 pinctrl-names = "default";
353 pinctrl-0 = <&pinctrl_macb0_default &pinctrl_macb0_phy_irq &pinctrl_macb0_rst>;
364 pinctrl_adc_default: adc_default {
365 pinmux = <PIN_PD24__GPIO>,
372 * The ADTRG pin can work on any edge type.
373 * In here it's being pulled up, so need to
374 * connect it to ground to get an edge e.g.
375 * Trigger can be configured on falling, rise
376 * or any edge, and the pull-up can be changed
377 * to pull-down or left floating according to
380 pinctrl_adtrg_default: adtrg_default {
381 pinmux = <PIN_PD31__ADTRG>;
385 pinctrl_flx4_default: flx4_default {
386 pinmux = <PIN_PC28__FLEXCOM4_IO0>,
387 <PIN_PC29__FLEXCOM4_IO1>;
391 pinctrl_can0_default: can0_default {
392 pinmux = <PIN_PC10__CANTX0>,
397 pinctrl_can1_default: can1_default {
398 pinmux = <PIN_PC26__CANTX1>,
403 pinctrl_i2c1_default: i2c1_default {
404 pinmux = <PIN_PD19__TWD1>,
409 pinctrl_i2c1_gpio: i2c1_gpio {
410 pinmux = <PIN_PD19__GPIO>,
415 pinctrl_key_gpio_default: key_gpio_default {
416 pinmux = <PIN_PD0__GPIO>;
420 pinctrl_led_gpio_default: led_gpio_default {
421 pinmux = <PIN_PB0__GPIO>,
427 pinctrl_qspi1_default: qspi1_default {
428 pinmux = <PIN_PA6__QSPI1_SCK>,
429 <PIN_PA7__QSPI1_IO0>,
430 <PIN_PA8__QSPI1_IO1>,
431 <PIN_PA9__QSPI1_IO2>,
432 <PIN_PA10__QSPI1_IO3>,
433 <PIN_PA11__QSPI1_CS>;
437 pinctrl_sdmmc0_default: sdmmc0_default {
439 pinmux = <PIN_PA1__SDMMC0_CMD>,
440 <PIN_PA2__SDMMC0_DAT0>,
441 <PIN_PA3__SDMMC0_DAT1>,
442 <PIN_PA4__SDMMC0_DAT2>,
443 <PIN_PA5__SDMMC0_DAT3>;
448 pinmux = <PIN_PA0__SDMMC0_CK>,
449 <PIN_PA13__SDMMC0_CD>;
454 pinctrl_sdmmc1_default: sdmmc1_default {
456 pinmux = <PIN_PA18__SDMMC1_DAT0>,
457 <PIN_PA19__SDMMC1_DAT1>,
458 <PIN_PA20__SDMMC1_DAT2>,
459 <PIN_PA21__SDMMC1_DAT3>;
464 pinmux = <PIN_PA22__SDMMC1_CK>,
465 <PIN_PA28__SDMMC1_CMD>;
470 pinctrl_mikrobus_i2c: mikrobus_i2c {
471 pinmux = <PIN_PD22__TWCK0>,
476 pinctrl_i2c0_gpio: i2c0_gpio {
477 pinmux = <PIN_PD21__GPIO>,
482 pinctrl_mikrobus1_an: mikrobus1_an {
483 pinmux = <PIN_PD26__GPIO>;
487 pinctrl_mikrobus1_rst: mikrobus1_rst {
488 pinmux = <PIN_PC5__GPIO>;
492 pinctrl_mikrobus1_spi_cs: mikrobus1_spi_cs {
493 pinmux = <PIN_PC21__FLEXCOM3_IO3>;
497 pinctrl_mikrobus1_spi: mikrobus1_spi {
498 pinmux = <PIN_PC20__FLEXCOM3_IO0>,
499 <PIN_PC19__FLEXCOM3_IO1>,
500 <PIN_PC18__FLEXCOM3_IO2>;
504 pinctrl_mikrobus1_pwm: mikrobus1_pwm {
505 pinmux = <PIN_PC4__TIOB1>;
509 pinctrl_mikrobus1_int: mikrobus1_int {
510 pinmux = <PIN_PC3__GPIO>;
514 pinctrl_mikrobus1_uart: mikrobus1_uart {
515 pinmux = <PIN_PB26__URXD0>,
520 pinctrl_mikrobus2_an: mikrobus2_an {
521 pinmux = <PIN_PD25__GPIO>;
525 pinctrl_mikrobus2_rst: mikrobus2_rst {
526 pinmux = <PIN_PB24__GPIO>;
530 pinctrl_mikrobus2_spi_cs: mikrobus2_spi_cs {
531 pinmux = <PIN_PB31__FLEXCOM0_IO3>;
535 pinctrl_mikrobus2_spi: mikrobus2_spi {
536 pinmux = <PIN_PB28__FLEXCOM0_IO0>,
537 <PIN_PB29__FLEXCOM0_IO1>,
538 <PIN_PB30__FLEXCOM0_IO2>;
542 pinctrl_ksz_spi_cs: ksz_spi_cs {
543 pinmux = <PIN_PC0__GPIO>;
547 pinctrl_mikrobus2_pwm: mikrobus2_pwm {
548 pinmux = <PIN_PB23__TIOB2>;
552 pinctrl_mikrobus2_int: mikrobus2_int {
553 pinmux = <PIN_PB22__GPIO>;
557 pinctrl_mikrobus2_uart: mikrobus2_uart {
558 pinmux = <PIN_PC12__URXD3>,
563 pinctrl_mikrobus3_an: mikrobus3_an {
564 pinmux = <PIN_PD24__GPIO>;
568 pinctrl_mikrobus3_rst: mikrobus3_rst {
569 pinmux = <PIN_PB21__GPIO>;
573 pinctrl_mikrobus3_spi_cs: mikrobus3_spi_cs {
574 pinmux = <PIN_PA17__SPI0_NPCS0>;
578 pinctrl_mikrobus3_spi: mikrobus3_spi {
579 pinmux = <PIN_PA14__SPI0_SPCK>,
580 <PIN_PA16__SPI0_MISO>,
581 <PIN_PA15__SPI0_MOSI>;
585 pinctrl_mikrobus3_pwm: mikrobus3_pwm {
586 pinmux = <PIN_PB20__TIOB3>;
590 pinctrl_mikrobus3_int: mikrobus3_int {
591 pinmux = <PIN_PB18__GPIO>;
595 pinctrl_mikrobus3_uart: mikrobus3_uart {
596 pinmux = <PIN_PC7__URXD1>,
601 pinctrl_usb_default: usb_default {
602 pinmux = <PIN_PC17__GPIO>;
606 pinctrl_usba_vbus: usba_vbus {
607 pinmux = <PIN_PD23__GPIO>;
611 pinctrl_pwm0_pwm2_default: pwm0_pwm2_default {
612 pinmux = <PIN_PB5__PWMH2>,
617 pinctrl_macb0_default: macb0_default {
618 pinmux = <PIN_PD1__GRXCK>,
637 pinctrl_macb0_phy_irq: macb0_phy_irq {
638 pinmux = <PIN_PD3__GPIO>;
642 pinctrl_macb0_rst: macb0_sw_rst {
643 pinmux = <PIN_PD4__GPIO>;
647 pinctrl_flx2_default: flx2_default {
648 pinmux = <PIN_PA6__FLEXCOM2_IO0>,
649 <PIN_PA7__FLEXCOM2_IO1>,
650 <PIN_PA9__FLEXCOM2_IO3>,
651 <PIN_PA10__FLEXCOM2_IO4>;
657 pinctrl-names = "default";
658 pinctrl-0 = <&pinctrl_pwm0_pwm2_default>;
659 status = "disabled"; /* conflict with leds, HSIC */
663 pinctrl-names = "default";
664 pinctrl-0 = <&pinctrl_qspi1_default>;
665 status = "disabled"; /* Conflict with wilc_pwrseq, flx2 */
668 #address-cells = <1>;
670 compatible = "jedec,spi-nor";
672 spi-max-frequency = <80000000>;
673 spi-tx-bus-width = <4>;
674 spi-rx-bus-width = <4>;
678 label = "qspi: at91bootstrap";
679 reg = <0x00000000 0x00040000>;
683 label = "qspi: bootloader";
684 reg = <0x00040000 0x000c0000>;
687 bootloaderenvred@100000 {
688 label = "qspi: bootloader env redundant";
689 reg = <0x00100000 0x00040000>;
692 bootloaderenv@140000 {
693 label = "qspi: bootloader env";
694 reg = <0x00140000 0x00040000>;
698 label = "qspi: device tree";
699 reg = <0x00180000 0x00080000>;
703 label = "qspi: kernel";
704 reg = <0x00200000 0x00600000>;
712 pinctrl-names = "default";
713 pinctrl-0 = <&pinctrl_sdmmc0_default>;
717 &shutdown_controller {
718 debounce-delay-us = <976>;
719 atmel,wakeup-rtc-timer;
726 &spi0 { /* mikrobus3 spi */
727 pinctrl-names = "default";
728 pinctrl-0 = <&pinctrl_mikrobus3_spi &pinctrl_mikrobus3_spi_cs>;
734 compatible = "atmel,tcb-timer";
739 compatible = "atmel,tcb-timer";
745 pinctrl-names = "default";
746 pinctrl-0 = <&pinctrl_mikrobus1_uart>;
753 pinctrl-names = "default";
754 pinctrl-0 = <&pinctrl_mikrobus3_uart>;
761 pinctrl-names = "default";
762 pinctrl-0 = <&pinctrl_mikrobus2_uart>;
769 atmel,vbus-gpio = <&pioA PIN_PD23 GPIO_ACTIVE_HIGH>;
770 pinctrl-names = "default";
771 pinctrl-0 = <&pinctrl_usba_vbus>;
777 pinctrl-names = "default";
778 pinctrl-0 = <&pinctrl_usb_default>;