zephyr/boards/adafruit/itsybitsy_m4_express/adafruit_itsybitsy_m4_expre...

124 lines
2.0 KiB
Plaintext

/*
* Copyright (c) 2020 Google LLC.
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <atmel/samd5xx19.dtsi>
#include "adafruit_itsybitsy_m4_express-pinctrl.dtsi"
/ {
model = "Adafruit ItsyBitsy M4 Express";
compatible = "adafruit,itsybitsy-m4-express";
chosen {
zephyr,console = &sercom3;
zephyr,shell-uart = &sercom3;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,code-partition = &code_partition;
};
/* These aliases are provided for compatibility with samples */
aliases {
led0 = &led0;
pwm-led0 = &pwm_led0;
pwm-0 = &tcc0;
};
leds {
compatible = "gpio-leds";
led0: led_0 {
gpios = <&porta 22 0>;
label = "LED";
};
};
pwmleds {
compatible = "pwm-leds";
pwm_led0: pwm_led_0 {
pwms = <&tcc0 2 PWM_MSEC(20)>;
};
};
};
&cpu0 {
clock-frequency = <120000000>;
};
&sercom3 {
status = "okay";
compatible = "atmel,sam0-uart";
current-speed = <115200>;
rxpo = <1>;
txpo = <0>;
pinctrl-0 = <&sercom3_uart_default>;
pinctrl-names = "default";
};
&sercom1 {
status = "okay";
compatible = "atmel,sam0-spi";
dipo = <3>;
dopo = <0>;
#address-cells = <1>;
#size-cells = <0>;
pinctrl-0 = <&sercom1_spi_default>;
pinctrl-names = "default";
};
&tcc0 {
status = "okay";
compatible = "atmel,sam0-tcc-pwm";
prescaler = <8>;
#pwm-cells = <2>;
pinctrl-0 = <&pwm0_default>;
pinctrl-names = "default";
};
zephyr_udc0: &usb0 {
status = "okay";
pinctrl-0 = <&usb_dc_default>;
pinctrl-names = "default";
};
&dmac {
status = "okay";
};
&flash0 {
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
boot_partition: partition@0 {
label = "uf2";
reg = <0x00000000 DT_SIZE_K(16)>;
read-only;
};
code_partition: partition@4000 {
label = "code";
reg = <0x4000 DT_SIZE_K(512-16-16)>;
read-only;
};
/*
* The final 16 KiB is reserved for the application.
* Storage partition will be used by FCB/LittleFS/NVS
* if enabled.
*/
storage_partition: partition@7c000 {
label = "storage";
reg = <0x7c000 DT_SIZE_K(16)>;
};
};
};