[PATCH 1/3] dt-bindings: usb: document role-switch-default-mode property in dwc2

[Fabrice Gasnier]

role-switch-default-mode property may be used with usb-role-switch
property to define the default operation mode (by forcing the a-valid or
b-valid) at init.

Signed-off-by: Amelie Delaunay <amelie.delaunay@xxxxxxxxxxx>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx>
---
 Documentation/devicetree/bindings/usb/dwc2.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml b/Documentation/devicetree/bindings/usb/dwc2.yaml
index 94e7276..f00867e 100644
--- a/Documentation/devicetree/bindings/usb/dwc2.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc2.yaml
@@ -114,6 +114,8 @@ properties:
 
   usb-role-switch: true
 
+  role-switch-default-mode: true
+
   g-rx-fifo-size:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: size of rx fifo size in gadget mode.
@@ -145,6 +147,7 @@ properties:
 
 dependencies:
   port: [ usb-role-switch ]
+  role-switch-default-mode: [ usb-role-switch ]
 
 required:
   - compatible
-- 
2.7.4