CONFIG_ARM=y
CONFIG_BOARD_96B_CARBON=y
CONFIG_SOC_SERIES_STM32F4X=y
CONFIG_SOC_STM32F401XE=y
# 84MHz system clock
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=84000000
CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000

# Enable MPU
CONFIG_STM32_ARM_MPU_ENABLE=y

# enable USART1 - passthrough to FT230XQ
CONFIG_UART_STM32_PORT_1=y

# enable I2C1
CONFIG_I2C=y
CONFIG_I2C_STM32_V1=y

# enable pinmux
CONFIG_PINMUX=y

# enable GPIO ports A, B, C, D
CONFIG_GPIO=y

# clock configuration
CONFIG_CLOCK_CONTROL=y

# Clock configuration for Cube Clock control driver
CONFIG_CLOCK_STM32_HSE_CLOCK=16000000
CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL=y
# use HSE as PLL input
CONFIG_CLOCK_STM32_PLL_SRC_HSE=y
# CONFIG_CLOCK_STM32_HSE_BYPASS=y
# produce 84MHz clock at PLL output
CONFIG_CLOCK_STM32_PLL_M_DIVISOR=16
CONFIG_CLOCK_STM32_PLL_N_MULTIPLIER=336
CONFIG_CLOCK_STM32_PLL_P_DIVISOR=4
CONFIG_CLOCK_STM32_PLL_Q_DIVISOR=7
CONFIG_CLOCK_STM32_AHB_PRESCALER=1
CONFIG_CLOCK_STM32_APB1_PRESCALER=2
CONFIG_CLOCK_STM32_APB2_PRESCALER=1

# BT SPI configuration when BT is selected
CONFIG_BT_SPI=y
CONFIG_BT_SPI_DEV_NAME="SPI_1"
CONFIG_BT_SPI_IRQ_DEV_NAME="GPIOB"
CONFIG_BT_SPI_IRQ_PIN=1
CONFIG_BT_SPI_RESET_DEV_NAME="GPIOB"
CONFIG_BT_SPI_RESET_PIN=4
CONFIG_BT_SPI_MAX_CLK_FREQ=2000000