MLK-16604-3 dt-bindings: usb: xhci: add usb3-resume-missing-cas property

There is already one quirk for usb3 xhci flag XHCI_MISSING_CAS, for
those platform with OF we can use usb3-resume-missing-cas to enable
this quirk to work around usb3 resume from system sleep.

Signed-off-by: Li Jun <jun.li@nxp.com>
Acked-by: Peter Chen <peter.chen@nxp.com>

diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
index 7790c81..56b0100 100644 (file)
--- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
@@ -27,6 +27,8 @@ Optional properties:
   - clocks: reference to a clock
   - usb3-lpm-capable: determines if platform is USB3 LPM capable
   - quirk-broken-port-ped: set if the controller has broken port disable mechanism
+  - usb3-resume-missing-cas: set if the CAS(Cold Attach Status) may lose in case
+    device plugged in while system sleep.
 
 Example:
        usb@f0931000 {