This file is taken from the Linux mailing list.
Signed-off-by: Simon Glass sjg@chromium.org ---
doc/device-tree-bindings/usb/tegra-usb.txt | 13 +++++++++++++ 1 files changed, 13 insertions(+), 0 deletions(-) create mode 100644 doc/device-tree-bindings/usb/tegra-usb.txt
diff --git a/doc/device-tree-bindings/usb/tegra-usb.txt b/doc/device-tree-bindings/usb/tegra-usb.txt new file mode 100644 index 0000000..035d63d --- /dev/null +++ b/doc/device-tree-bindings/usb/tegra-usb.txt @@ -0,0 +1,13 @@ +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" for USB controllers + used in host mode. + - phy_type : Should be one of "ulpi" or "utmi". + - nvidia,vbus-gpio : If present, specifies a gpio that needs to be + activated for the bus to be powered.