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boards: sifli: add sf32lb52_devkit_lcd
Ref. https://wiki.sifli.com/en/board/sf32lb52x/SF32LB52-DevKit-LCD.html Signed-off-by: Gerard Marull-Paretas <[email protected]>
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‎boards/sifli/index.rst‎

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.. _boards-sifli:
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SiFli Technologies(Nanjing) Co., Ltd
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####################################
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.. toctree::
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:maxdepth: 1
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:glob:
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**/*

‎boards/sifli/sf32lb52_devkit_lcd/Kconfig.sf32lb52_devkit_lcd‎

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# Copyright (c) 2025 Core Devices LLC
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# SPDX-License-Identifier: Apache-2.0
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config BOARD_SF32LB52_DEVKIT_LCD
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select SOC_SF32LB525UC6

‎boards/sifli/sf32lb52_devkit_lcd/board.cmake‎

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# Copyright (c) 2025 Core Devices LLC
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# SPDX-License-Identifier: Apache-2.0
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# keep first
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board_runner_args(sftool "--chip=SF32LB52")
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# keep first
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include(${ZEPHYR_BASE}/boards/common/sftool.board.cmake)

‎boards/sifli/sf32lb52_devkit_lcd/board.yml‎

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# Copyright (c) 2025 Core Devices LLC
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# SPDX-License-Identifier: Apache-2.0
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board:
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name: sf32lb52_devkit_lcd
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full_name: SF32LB52-DevKit-LCD
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vendor: sifli
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socs:
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- name: sf32lb525uc6

‎boards/sifli/sf32lb52_devkit_lcd/doc/img/sf32lb52-devkit-lcd.webp‎

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‎boards/sifli/sf32lb52_devkit_lcd/doc/index.rst‎

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.. zephyr:board:: sf32lb52_devkit_lcd
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Overview
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********
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SF32LB52-DevKit-LCD is a development board based on the SF32LB52x series chip
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SoC. It is mainly used for developing various applications based on
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SPI/DSPI/QSPI or MCU/8080 interface display screens.
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More information about the board can be found at the
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`SF32LB52-DevKit-LCD website`_.
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Hardware
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********
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SF32LB52-DevKit-LCD provides the following hardware components:
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- SF32LB52x-MOD-N16R8 module based on SF32LB525UC6
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- 8MB OPI-PSRAM @ 144MHz (from SF32LB525UC6)
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- 128Mb QSPI-NOR @ 72MHz, STR mode
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- 48MHz crystal
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- 32.768KHz crystal
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- Onboard antenna (default) or IPEX antenna, selectable via 0 ohm resistor
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- RF matching network and other R/L/C components
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- Dedicated screen interface
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- SPI/DSPI/QSPI, supports DDR mode QSPI, led out through 22-pin FPC and 40-pin
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header
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- 8-bit MCU/8080, led out through 22pin FPC and 40pin header.
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- Supports touch screens with I2C interface.
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- Audio
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- Analog MIC input.
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- Analog audio output, onboard Class-D audio PA.
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- USB
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- Type C interface, connected to USB to serial chip, enabling program
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download and software debug, can also supply power.
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- Type C interface, supports USB-2.0 FS, can also supply power.
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- SD card
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- Supports TF cards using SPI interface, onboard Micro SD card slot.
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Supported Features
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==================
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.. zephyr:board-supported-hw::
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Programming and Debugging
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*************************
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.. zephyr:board-supported-runners::
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Refer to `sftool website`_ for more information.
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References
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**********
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.. target-notes::
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.. _SF32LB52-DevKit-LCD website:
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https://wiki.sifli.com/en/board/sf32lb52x/SF32LB52-DevKit-LCD.html
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.. _sftool website:
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https://github.com/OpenSiFli/sftool

‎boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd-pinctrl.dtsi‎

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/*
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* Copyright (c) 2025 Core Devices LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/dt-bindings/pinctrl/sf32lb52x-pinctrl.h>
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&pinctrl {
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usart1_default: usart1_default {
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group1 {
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pinmux = <PA19_USART1_TXD>;
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};
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group2 {
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pinmux = <PA18_USART1_RXD>;
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input-enable;
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bias-pull-up;
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};
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};
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};

‎boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd.dts‎

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/*
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* Copyright (c) 2025 Core Devices LLC
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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 <sifli/sf32lb52x.dtsi>
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#include <sifli/sf32lb52x-ram012.dtsi>
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#include "sf32lb52_devkit_lcd-pinctrl.dtsi"
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/ {
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model = "SiFli SF32LB52-DevKit-LCD";
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compatible = "sifli,sf32lb52-devkit-lcd";
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chosen {
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zephyr,flash = &py25q128ha;
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zephyr,code-partition = &code;
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zephyr,console = &usart1;
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zephyr,shell-uart = &usart1;
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};
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};
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&cpu0 {
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clock-frequency = <DT_FREQ_M(240)>;
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};
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&hxt48 {
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status = "okay";
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};
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&rcc_clk {
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status = "okay";
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sifli,hdiv = <1>;
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sifli,pdiv1 = <1>;
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sifli,pdiv2 = <6>;
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dll1 {
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status = "okay";
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clock-frequency = <DT_FREQ_M(240)>;
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};
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};
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&mpi2 {
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status = "okay";
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py25q128ha: memory@12000000 {
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compatible = "puya,py25q128ha";
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reg = <0x12000000 DT_SIZE_M(16)>;
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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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ptable: partition@0 {
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label = "ptable";
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reg = <0x0 DT_SIZE_K(64)>;
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};
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code: partition@10000 {
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label = "code";
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reg = <0x10000 DT_SIZE_K(16320)>;
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};
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};
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};
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};
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&pinctrl {
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status = "okay";
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};
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&usart1 {
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status = "okay";
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current-speed = <1000000>;
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pinctrl-0 = <&usart1_default>;
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pinctrl-names = "default";
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};

‎boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd.yaml‎

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# Copyright (c) 2025 Core Devices LLC
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# SPDX-License-Identifier: Apache-2.0
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identifier: sf32lb52_devkit_lcd
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name: SF32LB52-DevKit-LCD
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type: mcu
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arch: arm
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ram: 512
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flash: 16320
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toolchain:
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- zephyr
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supported:
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- uart
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vendor: sifli

‎boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd_defconfig‎

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# Copyright (c) 2025 Core Devices LLC
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# SPDX-License-Identifier: Apache-2.0
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CONFIG_ARM_MPU=y
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CONFIG_HW_STACK_PROTECTION=y
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CONFIG_SERIAL=y
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CONFIG_CONSOLE=y
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CONFIG_UART_CONSOLE=y

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