diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 90f8f607d125..999be5ca901c 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -1,11 +1,16 @@
 USB xHCI controllers
 
 Required properties:
-  - compatible: should be "generic-xhci" (deprecated: "xhci-platform").
+  - compatible: should be one of "generic-xhci",
+    "marvell,armada-375-xhci", "marvell,armada-380-xhci" (deprecated:
+    "xhci-platform").
   - reg: should contain address and length of the standard XHCI
     register set for the device.
   - interrupts: one XHCI interrupt should be described here.
 
+Optional property:
+  - clocks: reference to a clock
+
 Example:
 	usb@f0931000 {
 		compatible = "generic-xhci";