4 - compatible : Should be "fsl,<chip>-dma-apbh" or "fsl,<chip>-dma-apbx"
5 - reg : Should contain registers location and length
12 compatible = "fsl,imx28-dma-apbh";
13 reg = <0x80004000 2000>;
17 compatible = "fsl,imx28-dma-apbx";
18 reg = <0x80024000 2000>;