This property is used when the otg-id pin is not connected. When this
property is set it forces to set the B-Device Session Valid bit when the
port works as device and clears that bit when the port works as host.

Signed-off-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
---

 .../devicetree/bindings/phy/phy-rockchip-inno-usb2.txt       | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt 
b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
index 2d4808d3920b..55761f466c41 100644
--- a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt
@@ -48,6 +48,11 @@ Optional properties:
                See ./phy-bindings.txt for details.
  - rockchip,utmi-avalid : boolean, use the avalid register to get vbus status.
                          Otherwise, use the bvalid register.
+ - rockchip,force-bvalid : boolean, set this to force the B-Device Session
+                         Valid bit when the usb port is in device mode. This
+                         is used when the otg-id pin is not connected.
+                         Only supported in case of compatible being:
+                         * "rockchip,rk3399-usb2phy"
 
 Example:
 
-- 
2.18.0

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