1Tegra SOC USB controllers
2
3The device node for a USB controller that is part of a Tegra
4SOC is as described in the document "Open Firmware Recommended
5Practice : Universal Serial Bus" with the following modifications
6and additions :
7
8Required properties :
9 - compatible : Should be "nvidia,tegra20-ehci" for USB controllers
10   used in host mode.
11 - phy_type : Should be one of "ulpi" or "utmi".
12 - nvidia,vbus-gpio : If present, specifies a gpio that needs to be
13   activated for the bus to be powered.
14