1.Modify the documentation description to make it more relevant. 2.Add the dmaengine bindings for the X1830 SoC from Ingenic. 3.Add support for probing the dma-jz4780 driver on the X1830 SoC from Ingenic. Notice: The X1830's dma controller is very similar to the X1000, the difference is that the X1830 has 32 dma channels and the X1000 has only 8.