components/drivers/core/Kconfig


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config RT_USING_DM
    bool "Enable device driver model with device tree"
    default n
    help
        Enable device driver model with device tree (FDT). It will use more memory
        to parse and support device tree feature.

config RT_USING_DEV_BUS
    bool "Using Device Bus device drivers"
    default y if RT_USING_SMART
    default n