| Simon Glass | b257464 | 2012-02-27 10:52:41 +0000 | [diff] [blame^] | 1 | Tegra SOC USB controllers |
| 2 | |
| 3 | The device node for a USB controller that is part of a Tegra |
| 4 | SOC is as described in the document "Open Firmware Recommended |
| 5 | Practice : Universal Serial Bus" with the following modifications |
| 6 | and additions : |
| 7 | |
| 8 | Required 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. |