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boards: renesas: Add initial support for EK-RA6E2 board
Initial support for Renesas EK-RA6E2 board Signed-off-by: Duy Phuong Hoang. Nguyen <[email protected]> Signed-off-by: Quy Tran <[email protected]>
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‎boards/renesas/ek_ra6e2/Kconfig.ek_ra6e2‎

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# Copyright (c) 2024 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_EK_RA6E2
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select SOC_R7FA6E2BB3CFM

‎boards/renesas/ek_ra6e2/board.cmake‎

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# Copyright (c) 2024 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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board_runner_args(jlink "--device=R7FA6E2BB")
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include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)

‎boards/renesas/ek_ra6e2/board.yml‎

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board:
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name: ek_ra6e2
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vendor: renesas
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socs:
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- name: r7fa6e2bb3cfm

‎boards/renesas/ek_ra6e2/doc/ek-ra6e2-board.webp‎

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‎boards/renesas/ek_ra6e2/doc/index.rst‎

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.. _ek_ra6e2:
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RA6E2 Evaluation Kit
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####################
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Overview
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********
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The EK-RA6E2, an Evaluation Kit for RA6E2 MCU Group, enables users to
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seamlessly evaluate the features of the RA6E2 MCU group and develop
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embedded systems applications using Flexible Software Package (FSP)
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and e2 studio IDE. The users can use rich on-board features along with
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their choice of popular ecosystems add-ons to bring their big ideas to life
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The key features of the EK-RA6E2 board are categorized in three groups as follow:
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**MCU Native Pin Access**
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- 200MHz Arm Cortex-M33 based RA6E2 MCU in 64 pins, LQFP package
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- 256 kB Code Flash, 40 kB SRAM
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- Native pin access through 2 x 14-pin and 1 x 40-pin male headers
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- MCU current measurement points for precision current consumption measurement
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- Multiple clock sources - RA6E2 MCU oscillator and sub-clock oscillator crystals,
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providing precision 20.000 MHz and 32,768 Hz reference clock.
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Additional low precision clocks are avaialbe internal to the RA6E2 MCU
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**System Control and Ecosystem Access**
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- USB Full Speed Host and Device (micro-AB connector)
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- Three 5V input sources
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- USB (Debug, Full Speed)
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- External power supply (using surface mount clamp test points and J31 through holes)
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- Three Debug modes
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- Debug on-board (SWD)
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- Debug in (SWD)
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- Debug out (JTAG, SWD)
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- User LEDs and buttons
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- Three User LEDs (red, blue, green)
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- Power LED (white) indicating availability of regulated power
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- Debug LED (yellow) indicating the debug connection
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- Two User buttons
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- One Reset button
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- Five most popular ecosystems expansions
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- Two Seeed Grove system (I3C/Analog) connectors
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- One SparkFun Qwiic connector
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- Two Digilent Pmod (SPI and UART) connectors
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- Arduino (Uno R3) connector
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- MikroElektronika mikroBUS connector
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- MCU boot configuration jumper
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**Special Feature Access**
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- 16 Mb (128 Mb) External Quad-SPI Flash
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- CAN (3-pin header)
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.. figure:: ek-ra6e2-board.webp
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:align: center
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:alt: RA6E2 Evaluation Kit
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EK-RA6E2 Board Functional Area Definitions (Credit: Renesas Electronics Corporation)
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Hardware
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********
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Detailed hardware feature for the RA6E2 MCU group can be found at `RA6E2 Group User's Manual Hardware`_
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.. figure:: ra6e2-block-diagram.webp
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:width: 442px
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:align: center
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:alt: RA6E2 MCU group feature
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RA6E2 Block diagram (Credit: Renesas Electronics Corporation)
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Detailed hardware feature for the EK-RA6E2 MCU can be found at `EK-RA6E2 - User's Manual`_
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Supported Features
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==================
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The below features are currently supported on Zephyr OS for EK-RA6E2 board:
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+-----------+------------+----------------------+
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| Interface | Controller | Driver/Component |
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+===========+============+======================+
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| GPIO | on-chip | gpio |
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+-----------+------------+----------------------+
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| MPU | on-chip | arch/arm |
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+-----------+------------+----------------------+
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| NVIC | on-chip | arch/arm |
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+-----------+------------+----------------------+
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| UART | on-chip | serial |
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+-----------+------------+----------------------+
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Other hardware features are currently not supported by the port.
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Programming and Debugging
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*************************
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Applications for the ``ek_ra6e2`` board target configuration can be
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built, flashed, and debugged in the usual way. See
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:ref:`build_an_application` and :ref:`application_run` for more details on
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building and running.
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Flashing
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========
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Program can be flashed to EK-RA6E2 via the on-board SEGGER J-Link debugger.
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SEGGER J-link's drivers are avaialbe at https://www.segger.com/downloads/jlink/
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To flash the program to board
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1. Connect to J-Link OB via USB port to host PC
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2. Make sure J-Link OB jumper is in default configuration as describe in `EK-RA6E2 - User's Manual`_
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3. Execute west command
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.. code-block:: console
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west flash -r jlink
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Debugging
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=========
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You can use Segger Ozone (`Segger Ozone Download`_) for a visual debug interface
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Once downloaded and installed, open Segger Ozone and configure the debug project
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like so:
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* Target Device: R7FA6E2BB
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* Target Interface: SWD
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* Target Interface Speed: 4 MHz
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* Host Interface: USB
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* Program File: <path/to/your/build/zephyr.elf>
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**Note:** It's verified that we can debug OK on Segger Ozone v3.30d so please use this or later
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version of Segger Ozone
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References
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**********
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- `EK-RA6E2 Website`_
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- `RA6E2 MCU group Website`_
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.. _EK-RA6E2 Website:
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https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ek-ra6e2-evaluation-kit-ra6e2-mcu-group
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.. _RA6E2 MCU group Website:
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https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ra6e2-entry-line-200mhz-arm-cortex-m33-general-purpose-microcontroller
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.. _EK-RA6E2 - User's Manual:
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https://www.renesas.com/us/en/document/mat/ek-ra6e2-v1-users-manual
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.. _RA6E2 Group User's Manual Hardware:
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https://www.renesas.com/us/en/document/mah/ra6e2-group-users-manual-hardware
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.. _Segger Ozone Download:
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https://www.segger.com/downloads/jlink#Ozone

‎boards/renesas/ek_ra6e2/doc/ra6e2-block-diagram.webp‎

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‎boards/renesas/ek_ra6e2/ek_ra6e2-pinctrl.dtsi‎

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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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* SPDX-License-Identifier: Apache-2.0
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*/
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&pinctrl {
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sci0_default: sci0_default {
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group1 {
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/* tx rx */
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psels = <RA_PSEL(RA_PSEL_SCI_0, 4, 11)>,
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<RA_PSEL(RA_PSEL_SCI_0, 4, 10)>;
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};
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};
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};

‎boards/renesas/ek_ra6e2/ek_ra6e2.dts‎

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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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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 <renesas/ra/ra6/r7fa6e2bb3cfm.dtsi>
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#include <dt-bindings/gpio/gpio.h>
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#include "ek_ra6e2-pinctrl.dtsi"
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/ {
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model = "Renesas EK-RA6E2";
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compatible = "renesas,ra6e2", "renesas,ra";
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chosen {
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zephyr,sram = &sram0;
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zephyr,flash = &flash0;
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zephyr,console = &uart0;
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zephyr,shell-uart = &uart0;
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};
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leds {
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compatible = "gpio-leds";
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led1: led1 {
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gpios = <&ioport2 7 GPIO_ACTIVE_HIGH>;
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label = "LED1";
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};
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led2: led2 {
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gpios = <&ioport4 0 GPIO_ACTIVE_HIGH>;
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label = "LED2";
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};
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led3: led3 {
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gpios = <&ioport1 13 GPIO_ACTIVE_HIGH>;
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label = "LED3";
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};
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};
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aliases {
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led0 = &led1;
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};
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};
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&sci0 {
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pinctrl-0 = <&sci0_default>;
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pinctrl-names = "default";
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status = "okay";
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uart0: uart {
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current-speed = <115200>;
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status = "okay";
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};
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};
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&ioport1 {
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status = "okay";
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};
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&ioport2 {
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status = "okay";
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};
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&ioport4 {
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status = "okay";
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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 = "application";
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reg = <0x00000000 DT_SIZE_K(128)>;
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};
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storage_partition: partition@20000 {
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label = "storage";
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reg = <0x20000 DT_SIZE_K(128)>;
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};
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};
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};
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&xtal {
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clock-frequency = <DT_FREQ_M(20)>;
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mosel = <0>;
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#clock-cells = <0>;
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status = "okay";
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};
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&subclk {
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status = "okay";
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};
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&pll {
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source = <RA_PLL_SOURCE_MAIN_OSC>;
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div = <RA_PLL_DIV_1>;
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mul = <10 0>;
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freq = <DT_FREQ_M(200)>;
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status = "okay";
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};

‎boards/renesas/ek_ra6e2/ek_ra6e2.yaml‎

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identifier: ek_ra6e2
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name: Renesas EK-RA6E2
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type: mcu
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arch: arm
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ram: 40
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flash: 256
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toolchain:
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- zephyr
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- gnuarmemb
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supported:
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- gpio

‎boards/renesas/ek_ra6e2/ek_ra6e2_defconfig‎

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# Copyright (c) 2024 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=200000000
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# Enable GPIO
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CONFIG_GPIO=y
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CONFIG_PINCTRL=y
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# Enable Console
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CONFIG_SERIAL=y
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CONFIG_UART_INTERRUPT_DRIVEN=y
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CONFIG_UART_CONSOLE=y
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CONFIG_CONSOLE=y
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CONFIG_BUILD_OUTPUT_HEX=y
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CONFIG_BUILD_NO_GAP_FILL=y

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