* Freescale MXS Inter IC (I2C) ControllerRequired properties:- compatible: Should be "fsl,<chip>-i2c"- reg: Should contain registers location and length- interrupts: Should contain ERROR interrupt number- clock-frequency: Desired I2C bus clock frequency in Hz. Only 100000Hz and 400000Hz modes are supported.- dmas: DMA specifier, consisting of a phandle to DMA controller node and I2C DMA channel ID. Refer to dma.txt and fsl-mxs-dma.txt for details.- dma-names: Must be "rx-tx".Examples:i2c0: i2c@80058000 { #address-cells = <1>; #size-cells = <0>; compatible = "fsl,imx28-i2c"; reg = <0x80058000 2000>; interrupts = <111>; clock-frequency = <100000>; dmas = <&dma_apbx 6>; dma-names = "rx-tx";};