We'll use this property in a follow-up patch to insantiate an EHCI
bus with companion support.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
v2: Added patch

 hw/usb/hcd-ehci-sysbus.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/hw/usb/hcd-ehci-sysbus.c b/hw/usb/hcd-ehci-sysbus.c
index b5a014f968..014ad3d552 100644
--- a/hw/usb/hcd-ehci-sysbus.c
+++ b/hw/usb/hcd-ehci-sysbus.c
@@ -33,6 +33,8 @@ static const VMStateDescription vmstate_ehci_sysbus = {
 
 static Property ehci_sysbus_properties[] = {
     DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
+    DEFINE_PROP_BOOL("companion-enable", EHCISysBusState, ehci.companion_enable,
+                     false),
     DEFINE_PROP_END_OF_LIST(),
 };
 
-- 
2.17.1