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-rw-r--r--Documentation/devicetree/bindings/usb/tegra-usb.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/tegra-usb.txt b/Documentation/devicetree/bindings/usb/tegra-usb.txt
index 007005d..e9b005d 100644
--- a/Documentation/devicetree/bindings/usb/tegra-usb.txt
+++ b/Documentation/devicetree/bindings/usb/tegra-usb.txt
@@ -12,6 +12,9 @@ Required properties :
- nvidia,vbus-gpio : If present, specifies a gpio that needs to be
activated for the bus to be powered.
+Required properties for phy_type == ulpi:
+ - nvidia,phy-reset-gpio : The GPIO used to reset the PHY.
+
Optional properties:
- dr_mode : dual role mode. Indicates the working mode for
nvidia,tegra20-ehci compatible controllers. Can be "host", "peripheral",