On Mon, 2015-09-21 at 20:22 +0800, Zhiqiang Hou wrote: > + cpld: board-control at 2,0 { > + compatible = "fsl,ls1043ardb-cpld", "simple-bus"; > + reg = <0x2 0x0 0x0000100>; > + }; Again, why "simple-bus"? -Scott