CONFIG_SOC_SERIES_STM32MP1X=y CONFIG_SOC_STM32MP15_M4=y # 209 MHz system clock (mlhclk_ck) CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=209000000 # enable GPIO CONFIG_GPIO=y # enable uart driver CONFIG_SERIAL=y CONFIG_UART_INTERRUPT_DRIVEN=y # pin mux configuration CONFIG_PINMUX=y # clock configuration CONFIG_CLOCK_CONTROL=y # console (remote proc console by default) CONFIG_CONSOLE=y CONFIG_RAM_CONSOLE=y CONFIG_RAM_CONSOLE_BUFFER_SIZE=1024 # uart console (overrides remote proc console) CONFIG_UART_CONSOLE=n