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* Freescale i.MX ci13xxx usb controllers
Required properties:
- compatible: Should be "fsl,imx27-usb"
- reg: Should contain registers location and length
- interrupts: Should contain controller interrupt
Recommended properies:
- phy_type: the type of the phy connected to the core. Should be one
of "utmi", "utmi_wide", "ulpi", "serial" or "hsic". Without this
property the PORTSC register won't be touched
- dr_mode: One of "host", "peripheral" or "otg". Defaults to "otg"
Optional properties:
- fsl,usbphy: phandler of usb phy that connects to the only one port
- fsl,usbmisc: phandler of non-core register device, with one argument
that indicate usb controller index
- vbus-supply: regulator for vbus
- disable-over-current: disable over current detect
- external-vbus-divider: enables off-chip resistor divider for Vbus
- maximum-speed: limit the maximum connection speed to "full-speed".
Examples:
usb@02184000 { /* USB OTG */
compatible = "fsl,imx6q-usb", "fsl,imx27-usb";
reg = <0x02184000 0x200>;
interrupts = <0 43 0x04>;
fsl,usbphy = <&usbphy1>;
fsl,usbmisc = <&usbmisc 0>;
disable-over-current;
external-vbus-divider;
maximum-speed = "full-speed";
};
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