Linux 设备树 dts

1. dtb反编译成dts文件命令:
./kernel-4.4/scripts/dtc/dtc_overlay -I dtb -O dts out/target/product/m863ur100_p021/obj/KERNEL_OBJ/arch/arm64/boot/dts/mediatek/m863ur100_p021.dtb > httek.dts