diff options
| author | Simon Glass <sjg@chromium.org> | 2012-02-27 10:52:41 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-03-29 08:12:48 +0200 |
| commit | b257464b1c7522d04650d8e2ab52ee7c1cafa7e4 (patch) | |
| tree | 0de0ecae6981c9cbf726268bcdc212ea33553eb6 /doc/device-tree-bindings | |
| parent | 849df712a061df4b589b95e2a9646c3458feb995 (diff) | |
fdt: Add tegra-usb bindings file from linux
This file is taken from the Linux mailing list.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'doc/device-tree-bindings')
| -rw-r--r-- | doc/device-tree-bindings/usb/tegra-usb.txt | 13 |
1 files changed, 13 insertions, 0 deletions
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 00000000000..035d63d5646 --- /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. |