Michael Hope
754ed1fd95
The Adafruit ItsyBitsy M4 express is a small (36 mm x 18 mm) ARM development board with an onboard RGB LED, USB port, 2 MiB of SPI flash, and range of I/O broken out onto 23 GPIO pins. Signed-off-by: Michael Hope <mlhx@google.com>
77 lines
1.3 KiB
Plaintext
77 lines
1.3 KiB
Plaintext
/*
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* Copyright (c) 2020 Google LLC.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/dts-v1/;
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#include <atmel/samd5xx19.dtsi>
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/ {
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model = "Adafruit ItsyBitsy M4 Express";
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compatible = "adafruit,itsybitsy-m4-express";
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chosen {
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zephyr,console = &sercom3;
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zephyr,shell-uart = &sercom3;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,code-partition = &code_partition;
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};
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/* These aliases are provided for compatibility with samples */
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aliases {
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led0 = &led0;
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};
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leds {
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compatible = "gpio-leds";
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led0: led_0 {
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gpios = <&porta 22 0>;
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label = "LED";
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};
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};
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};
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&cpu0 {
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clock-frequency = <120000000>;
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};
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&sercom3 {
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status = "okay";
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compatible = "atmel,sam0-uart";
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current-speed = <115200>;
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rxpo = <1>;
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txpo = <0>;
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};
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&flash0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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boot_partition: partition@0 {
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label = "uf2";
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reg = <0x00000000 DT_SIZE_K(16)>;
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read-only;
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};
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code_partition: partition@4000 {
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label = "code";
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reg = <0x4000 DT_SIZE_K(512-16-16)>;
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read-only;
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};
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/*
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* The final 16 KiB is reserved for the application.
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* Storage partition will be used by FCB/LittleFS/NVS
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* if enabled.
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*/
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storage_partition: partition@7c000 {
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label = "storage";
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reg = <0x7c000 DT_SIZE_K(16)>;
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};
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};
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};
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