On Wednesday 13 May 2015 16:49:47 tthayer at opensource.altera.com wrote: > + sdr: sdr at ffc25000 { > + compatible = "syscon"; > + reg = <0xffcfb100 0x80>; > + }; > + > A syscon node with just 128 bytes seems very odd. Can you check the hardware manual to see if this is part of some bigger unit? Arnd