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-rw-r--r--Documentation/devicetree/bindings/usb/usb-xhci.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 5752df0e17a2..98424d5363e6 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -6,6 +6,9 @@ Required properties:
register set for the device.
- interrupts: one XHCI interrupt should be described here.
+Optional properties:
+ - usb3-lpm-capable: determines if platform is USB3 LPM capable
+
Example:
usb@f0931000 {
compatible = "xhci-platform";