- pclkN, clkN: Pairs of parent of input clock and input clock to the
devices in this power domain. Maximum of 4 pairs (N = 0 to 3)
are supported currently.
+- power-domains: phandle pointing to the parent power domain, for more details
+ see Documentation/devicetree/bindings/power/power_domain.txt
Node of a device using power domains must have a power-domains property
defined with a phandle to respective power domain.