dtc -I dtb -O dts -o target.dts source.dtb
target.dts: Warning (unit_address_vs_reg): /soc/bus@ff600000/bus@34400/pinctrl@40: node has a unit name, but no reg property
target.dts: Warning (unit_address_vs_reg): /soc/bus@ff800000/sys-ctrl@0/pinctrl@14: node has a unit name, but no reg property
target.dts: Warning (simple_bus_reg): /soc/thermal-zones: missing or empty reg/ranges property
target.dts: Warning (simple_bus_reg): /soc/bus@ff600000/bus@34400/pinctrl@40: missing or empty reg/ranges property
target.dts: Warning (gpios_property): /__symbols__:gpio: property size (47) is invalid, expected multiple of 4