Question: how to convert dtb to dts file?
Answer: dtb to dts: Method-1: ...  Method-2: # fdtdump <dtb_file> > <dts_dump> fdtdump command is part of device-tree-compiler package, install as below to get: sudo apt-get install device-tree-compiler. dts to dtb: $KERNEL/scripts/dtc/dtc -I dts -O dtb -o <dtb_file> <dts_file>