| 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 : Contains a single entry which defines the USB controller's clock. |
| |
| 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. |
