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Tegra SOC USB controllers
The device node for a USB controller that is part of a Tegra
SOC is as described in the document "Open Firmware Recommended
Practice : Universal Serial Bus" with the following modifications
and additions :
Required properties :
- compatible : Should be "nvidia,tegra20-ehci".
- nvidia,phy : phandle of the PHY that the controller is connected to.
- clocks : Must contain one entry, for the module clock.
See ../clocks/clock-bindings.txt for details.
Optional properties:
- nvidia,needs-double-reset : boolean is to be set for some of the Tegra20
USB ports, which need reset twice due to hardware issues.
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