Anton Vorontsov wrote: > + qe at e0100000 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "fsl,qe"; > + ranges = <0 0xe0100000 0x00100000>; > + reg = <0xe0100000 0x480>; > + /* filled by u-boot */ > + brg-frequency = <0>; You need "bus-frequency" here too