linux-vybrid_public/Documentation/devicetree/bindings/usb/mxs-phy.txt

* Freescale MXS USB Phy Device

Required properties:
- compatible: Should be "fsl,imx23-usbphy"
- reg: Should contain registers location and length
- interrupts: Should contain phy interrupt

Example:
usbphy1: usbphy@020c9000 {
	compatible = "fsl,imx6q-usbphy", "fsl,imx23-usbphy";
	reg = <0x020c9000 0x1000>;
	interrupts = <0 44 0x04>;
};