OpenCloudOS-Kernel/Documentation/devicetree/bindings/i2c/i2c-mxs.txt

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* Freescale MXS Inter IC (I2C) Controller
Required properties:
- compatible: Should be "fsl,<chip>-i2c"
- reg: Should contain registers location and length
- interrupts: Should contain ERROR and DMA interrupts
- clock-frequency: Desired I2C bus clock frequency in Hz.
Only 100000Hz and 400000Hz modes are supported.
- fsl,i2c-dma-channel: APBX DMA channel for the I2C
Examples:
i2c0: i2c@80058000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx28-i2c";
reg = <0x80058000 2000>;
interrupts = <111 68>;
clock-frequency = <100000>;
fsl,i2c-dma-channel = <6>;
};