-- interrupts : Should contain SMSC LAN interrupt line
-- interrupt-parent : Should be the phandle for the interrupt controller
- that services interrupts for this device
+- interrupts : one or two interrupt specifiers
+ - The first interrupt is the SMSC LAN interrupt line
+ - The second interrupt (if present) is the PME (power
+ management event) interrupt that is able to wake up the host
+ system with a 50ms pulse on network activity