linux/Documentation/devicetree/bindings/serial/fsl-lpuart.txt

* Freescale low power universal asynchronous receiver/transmitter (lpuart)

Required properties:
- compatible : Should be "fsl,<soc>-lpuart"
- reg : Address and length of the register set for the device
- interrupts : Should contain uart interrupt

Optional properties:
- dmas: A list of two dma specifiers, one for each entry in dma-names.
- dma-names: should contain "tx" and "rx".

Note: Optional properties for DMA support. Write them both or both not.

Example:

uart0: serial@40027000 {
		compatible = "fsl,vf610-lpuart";
		reg = <0x40027000 0x1000>;
		interrupts = <0 61 0x00>;
		dmas = <&edma0 0 2>,
			<&edma0 0 3>;
		dma-names = "rx","tx";
	};