boards: arm: Add support for 96Boards Argonkey Board

/*

 * Copyright (c) 2018 STMicroelectronics

 *

 * SPDX-License-Identifier: Apache-2.0

 */

/dts-v1/;

#include <st/stm32f412.dtsi>

/ {

	model = "Tocoding Argonkey 96boards";

	compatible = "tocoding,argonkey", "st,stm32f412";

	chosen {

		zephyr,console = &usart1;

		zephyr,sram = &sram0;

		zephyr,flash = &flash0;

	};

};

&usart1 {

	current-speed = <115200>;

	pinctrl-0 = <&usart1_pins_b>;

	pinctrl-names = "default";

	status = "ok";

};

&spi2 {

	status = "ok";

};

&i2c1 {

	status = "ok";

	clock-frequency = <I2C_BITRATE_FAST>;

};

&i2c2 {

	status = "ok";

	clock-frequency = <I2C_BITRATE_FAST>;

};

&i2c3 {

	status = "ok";

	clock-frequency = <I2C_BITRATE_STANDARD>;

};

identifier: 96b_argonkey

name: 96Boards Argonkey

type: mcu

arch: arm

toolchain:

  - zephyr

  - gccarmemb

CONFIG_ARM=y

CONFIG_BOARD_96B_ARGONKEY=y

CONFIG_SOC_SERIES_STM32F4X=y

CONFIG_SOC_STM32F412CG=y

CONFIG_CORTEX_M_SYSTICK=y

# 84MHz system clock

CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=84000000

CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000

# enable uart driver

CONFIG_SERIAL=y

# enable pinmux

CONFIG_PINMUX=y

# enable GPIO

CONFIG_GPIO=y

# enable I2C

CONFIG_I2C=y

# enable SPI

CONFIG_SPI=y

# clock configuration

CONFIG_CLOCK_CONTROL=y

# SYSCLK selection

CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y

# PLL configuration

CONFIG_CLOCK_STM32_PLL_SRC_HSE=y

CONFIG_CLOCK_STM32_HSE_CLOCK=16000000

# produce 84MHz clock at PLL output

CONFIG_CLOCK_STM32_PLL_M_DIVISOR=8

CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=84

CONFIG_CLOCK_STM32_PLL_P_DIVISOR=2

CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=8

CONFIG_CLOCK_STM32_AHB_PRESCALER=1

# APB1 clock must not exceed 50MHz limit

CONFIG_CLOCK_STM32_APB1_PRESCALER=2

CONFIG_CLOCK_STM32_APB2_PRESCALER=1

# console

CONFIG_CONSOLE=y

CONFIG_UART_CONSOLE=y

zephyr_library()

zephyr_library_sources(pinmux.c)

zephyr_library_include_directories(${PROJECT_SOURCE_DIR}/drivers)

# Kconfig - 96Boards Argonkey Board Configuration

#

# Copyright (c) 2018 STMicroelectronics

#

# SPDX-License-Identifier: Apache-2.0

#

config BOARD_96B_ARGONKEY

	bool "96Boards Argonkey"

	depends on SOC_STM32F412CG