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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 : For Tegra20, must contain "nvidia,tegra20-ehci".
- For Tegra30, must contain "nvidia,tegra30-ehci". Otherwise, must contain
- "nvidia,<chip>-ehci" plus at least one of the above, where <chip> is
- tegra114, tegra124, tegra132, or tegra210.
- - 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.
- - resets : Must contain an entry for each entry in reset-names.
- See ../reset/reset.txt for details.
- - reset-names : Must include the following entries:
- - usb
- 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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