1config RT_USING_FDT 2 bool "Using fdt legacy version" 3 default n 4 if RT_USING_FDT 5 config RT_USING_FDTLIB 6 bool "Using fdt lib for device drivers" 7 default y 8 config RT_USING_FDT_FWNODE 9 bool "Using fdt fwnode for device drivers" 10 default n 11 config FDT_USING_DEBUG 12 bool "Using fdt debug function" 13 default n 14 15 endif 16