config MMCU
    string
    default "atmega328p" if ATMEGA328P
    default "attiny85" if ATTINY85
    default "attiny4313" if ATTINY4313
    
choice MCU
    prompt "Microcontroller (MMCU)"

source include/mcu/atmega328p.Kconfig
source include/mcu/attiny85.Kconfig
source include/mcu/attiny4313.Kconfig

endchoice