diff --git a/bindings/usb/msm-ssusb.txt b/bindings/usb/msm-ssusb.txt
index efad2283..d17fd5fe 100644
--- a/bindings/usb/msm-ssusb.txt
+++ b/bindings/usb/msm-ssusb.txt
@@ -89,6 +89,8 @@ Optional properties :
 - qcom,host-poweroff-in-pm-suspend: If present, allow PM suspend to happen
 	irrespective of runtimePM state of host and power collapse the core.
 	This also leads to reset-resume of connected devices on PM resume.
+- qcom,disable-host-ssphy-powerdown: If present, disable host mode power optimization which
+	powers down SSPHY when a HS device is plugged into the device.
 - qcom,default-mode-none: If present, do not start any mode on probe for an OTG
 	capable DWC3 which does not have extcon handle.
 - qcom,default-mode-host: If present, start host mode on probe for an OTG