config RT_USING_EXT_SDRAM
    bool "Enable SDRAM on the board"
    default y
 
config RT_USING_UART1
    bool "Enable UART1"
    default y    
    
config RT_USING_UART2
    bool "Enable UART2"
    default y    

config RT_USING_UART3
    bool "Enable UART3"
    default y

config RT_USING_SPI1
    bool "Enable SPI1"
    default y     

config RT_USING_SPI2
    bool "Enable SPI2"
    default y     

config RT_USING_SPI3
    bool "Enable SPI3"
    default y

config RT_USING_SPI4
    bool "Enable SPI4"
    default y     

config RT_USING_SPI5
    bool "Enable SPI5"
    default y     

config RT_USING_SPI6
    bool "Enable SPI6"
    default y     

config RT_RTC_NAME
    string "The name of RTC device"
    default rtc