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Tegra SOC USB PHY
The device node for Tegra SOC USB PHY:
Required properties :
- compatible : Should be "nvidia,tegra20-usb-phy".
- reg : Address and length of the register set for the USB PHY interface.
- phy_type : Should be one of "ulpi" or "utmi".
Required properties for phy_type == ulpi:
- nvidia,phy-reset-gpio : The GPIO used to reset the PHY.
Optional properties:
- nvidia,has-legacy-mode : boolean indicates whether this controller can
operate in legacy mode (as APX 2500 / 2600). In legacy mode some
registers are accessed through the APB_MISC base address instead of
the USB controller.
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