For me it does work, but I dont know if @Hannes Worst did had success Here are the "warnings" while decompiling the .dtb to .dts (see attachment) :   root@npi-a64-116(192.168.6.116):/boot/dtb/allwinner# dtc -I dtb -O dts /boot/dtb/allwinner/sun50i-a64-nanopi-a64.dtb -o /boot/dtb/allwinner/sun50i-a64-nanopi-a64_kernel_591.dts /boot/dtb/allwinner/sun50i-a64-nanopi-a64_kernel_591.dts: Warning (unit_address_vs_reg): /sound/simple-audio-card,dai-link@0: node has a unit name, but no reg p