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boards: microchip: add SAM E54 Xplained Pro board support
Add initial support for the Microchip SAM E54 Xplained Pro board (ATSAME54-XPRO). Product page: https://www.microchip.com/en-us/development-tool/atsame54-xpro Signed-off-by: Arunprasath P <[email protected]>
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‎boards/microchip/sam/sam_e54_xpro/Kconfig.sam_e54_xpro

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_SAM_E54_XPRO
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select SOC_ATSAME54P20A

‎boards/microchip/sam/sam_e54_xpro/board.cmake

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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include(${ZEPHYR_BASE}/boards/common/openocd.board.cmake)

‎boards/microchip/sam/sam_e54_xpro/board.yml

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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board:
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name: sam_e54_xpro
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full_name: SAM E54 Xplained Pro
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vendor: microchip
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socs:
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- name: atsame54p20a

‎boards/microchip/sam/sam_e54_xpro/doc/img/atsam_e54_xpro.webp

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‎boards/microchip/sam/sam_e54_xpro/doc/img/atsam_e54_xpro_pinout.webp

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‎boards/microchip/sam/sam_e54_xpro/doc/index.rst

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.. zephyr:board:: sam_e54_xpro
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SAM E54 Xplained Pro Evaluation Kit
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###################################
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Overview
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********
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The SAM E54 Xplained Pro evaluation kit is ideal for evaluation and
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prototyping with the SAM E54 Cortex®-M4F processor-based
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microcontrollers. The kit includes Microchip’s Embedded Debugger (EDBG),
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which provides a full debug interface without the need for additional
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hardware.
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.. image:: img/atsam_e54_xpro.webp
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:align: center
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:alt: SAM_E54_XPRO
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Hardware
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********
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- ATSAME54P20A ARM Cortex-M4F processor at 120 MHz
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- 32.768 kHz crystal oscillator
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- 12 MHz crystal oscillator
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- 1024 KiB flash memory and 256 KiB of RAM
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- One yellow user LED
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- One mechanical user push button
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- One reset button
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- On-board USB based EDBG unit with serial console
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- One QTouch® PTC button
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- 32 MiB QSPI Flash
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- ATECC508 CryptoAuthentication™ device
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- AT24MAC402 serial EEPROM with EUI-48™ MAC address
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- Ethernet
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- RJ45 connector with built-in magnetics
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- KSZ8091RNA PHY
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- 10Base-T/100Base-TX IEE 802.3 compliant Ethernet transceiver
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- USB interface, host, and device
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- SD/SDIO card connector
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Supported Features
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==================
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.. zephyr:board-supported-hw::
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The default configuration can be found in the Kconfig
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:zephyr_file:`boards/microchip/sam/sam_e54_xpro/sam_e54_xpro_defconfig`.
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Pin Mapping
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===========
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The SAM E54 Xplained Pro evaluation kit has 4 GPIO controllers. These
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controllers are responsible for pin muxing, input/output, pull-up, etc.
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For more details please refer to `SAM D5x/E5x Family Datasheet`_ and the `SAM E54
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Xplained Pro Schematic`_.
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.. image:: img/atsam_e54_xpro_pinout.webp
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:align: center
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:alt: SAME54-XPRO-pinout
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Default Zephyr Peripheral Mapping:
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----------------------------------
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- SERCOM2 USART TX : PB24
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- SERCOM2 USART RX : PB25
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- GPIO/PWM LED0 : PC18
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- GPIO SW0 : PB31
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- GMAC RMII REFCK : PA14
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- GMAC RMII TXEN : PA17
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- GMAC RMII TXD0 : PA18
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- GMAC RMII TXD1 : PA19
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- GMAC RMII CRSDV : PC20
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- GMAC RMII RXD0 : PA13
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- GMAC RMII RXD1 : PA12
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- GMAC RMII RXER : PA15
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- GMAC MDIO MDC : PC11
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- GMAC MDIO MDIO : PC12
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- SERCOM4 SPI SCK : PB26
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- SERCOM4 SPI MOSI : PB27
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- SERCOM4 SPI MISO : PB29
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- SERCOM7 I2C SDA : PD08
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- SERCOM7 I2C SCL : PD09
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- USB DP : PA25
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- USB DM : PA24
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System Clock
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============
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The SAME54 MCU is configured to use the 32.768 kHz external oscillator
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with the on-chip PLL generating the 48 MHz system clock.
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Serial Port
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===========
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The SAME54 MCU has 8 SERCOM based USARTs with one configured as USARTs in
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this BSP. SERCOM2 is the default Zephyr console.
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- SERCOM2 115200 8n1 connected to the onboard Microchip Embedded Debugger (EDBG)
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Programming and Debugging
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*************************
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The SAM E54 Xplained Pro comes with a Microchip Embedded Debugger (EDBG). This
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provides a debug interface to the SAME54 chip and is supported by
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OpenOCD.
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Flashing
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========
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#. Build the Zephyr kernel and the ``hello_world`` sample application:
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: sam_e54_xpro
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:goals: build
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:compact:
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#. Connect the SAM E54 Xplained Pro to your host computer using the USB debug
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port.
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#. Run your favorite terminal program to listen for output. Under Linux the
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terminal should be :code:`/dev/ttyACM0`. For example:
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.. code-block:: console
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$ minicom -D /dev/ttyACM0 -o
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The -o option tells minicom not to send the modem initialization
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string. Connection should be configured as follows:
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- Speed: 115200
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- Data: 8 bits
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- Parity: None
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- Stop bits: 1
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#. To flash an image:
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.. zephyr-app-commands::
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:zephyr-app: samples/hello_world
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:board: sam_e54_xpro
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:goals: flash
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:compact:
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You should see "Hello World! same_54_xpro" in your terminal.
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References
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**********
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.. target-notes::
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.. _Microchip website:
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http://www.microchip.com/DevelopmentTools/ProductDetails.aspx?PartNO=ATSAME54-XPRO
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.. _SAM D5x/E5x Family Datasheet:
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http://ww1.microchip.com/downloads/en/DeviceDoc/60001507C.pdf
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.. _SAM E54 Xplained Pro Schematic:
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http://ww1.microchip.com/downloads/en/DeviceDoc/SAME54-Xplained-Pro_Design-Documentation.zip

‎boards/microchip/sam/sam_e54_xpro/sam_e54_xpro-pinctrl.dtsi

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/*
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* Copyright (c) 2025 Microchip Technology Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <dt-bindings/sam/sam_d5x_e5x/same54/atsame54p20a-pinctrl.h>
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&pinctrl {
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sercom2_uart_default: sercom2_uart_default {
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group1 {
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pinmux = <PB25D_SERCOM2_PAD0>,
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<PB24D_SERCOM2_PAD1>;
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};
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};
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};

‎boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.dts

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/*
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* Copyright (c) 2025 Microchip Technology Inc.
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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 <microchip/sam/sam_d5x_e5x/same54/atsame54p20a.dtsi>
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#include "sam_e54_xpro-pinctrl.dtsi"
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#include <zephyr/dt-bindings/input/input-event-codes.h>
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/ {
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model = "SAM E54 Xplained Pro";
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compatible = "same54,xpro", "microchip,atsame54p20a", "microchip,same54";
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chosen {
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zephyr,console = &sercom2;
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zephyr,shell-uart = &sercom2;
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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};
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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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/*
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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@fc000 {
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label = "storage";
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reg = <0x000fc000 0x00004000>;
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};
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};
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};
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&cpu0 {
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clock-frequency = <48000000>;
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};
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&sercom2 {
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status = "okay";
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compatible = "microchip,sercom-g1-uart";
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current-speed = <115200>;
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data-bits = <8>;
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parity = "none";
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stop-bits = "1";
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rxpo = <1>;
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txpo = <0>;
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-0 = <&sercom2_uart_default>;
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pinctrl-names = "default";
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};

‎boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.yaml

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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identifier: sam_e54_xpro
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name: SAM E54 Xplained Pro
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type: mcu
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arch: arm
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toolchain:
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- zephyr
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- gnuarmemb
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- xtools
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flash: 1024
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ram: 256
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supported:
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- pinctrl
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- shell
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- uart
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vendor: microchip

‎boards/microchip/sam/sam_e54_xpro/sam_e54_xpro_defconfig

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# Copyright (c) 2025 Microchip Technology Inc.
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_BUILD_OUTPUT_HEX=y
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CONFIG_ARM_MPU=y
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CONFIG_HW_STACK_PROTECTION=y
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CONFIG_CONSOLE=y
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CONFIG_SERIAL=y
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CONFIG_UART_CONSOLE=y

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