In some cases, the driver must handle given properties located in
specific OF subnode. Instead of creating duplicate set of function, add
'node' as argument to existing functions, defaulting it to device OF node.
MFC after: 3 weeks
support frameworks (i.e. clk/regulators/tsensors/fuses...).
It provides simple unified consumers interface for manipulations with
phy (USB/SATA/PCIe) resources.