/* * Copyright (c) 2020 Google LLC. * * SPDX-License-Identifier: Apache-2.0 */ /dts-v1/; #include / { 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; }; leds { compatible = "gpio-leds"; led0: led_0 { gpios = <&porta 22 0>; label = "LED"; }; }; }; &cpu0 { clock-frequency = <120000000>; }; &sercom3 { status = "okay"; compatible = "atmel,sam0-uart"; current-speed = <115200>; rxpo = <1>; txpo = <0>; }; &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)>; }; }; };