[PATCH v5 07/18] fdt: Add tegra-usb bindings file from linux
Simon Glass
sjg at chromium.org
Wed Jan 25 10:21:01 EST 2012
This file is taken from the Linux mailing list.
Signed-off-by: Simon Glass <sjg at 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.
--
1.7.7.3
More information about the devicetree-discuss
mailing list