[PATCH 3/3] dt-bindings: usb: generic-ehci: Add "companion" entry

[Alexandre Torgue <alexandre.torgue@xxxxxx>]

"companion" entry is present in "generic.txt" usb binding file. This commit
adds it also in generic-ehci yaml binding.

Signed-off-by: Alexandre Torgue <alexandre.torgue@xxxxxx>

diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index 059f6ef1ad4a..f89897fe2df6 100644
--- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
@@ -63,6 +63,11 @@ properties:
     description:
       Set this flag to force EHCI reset after resume.
 
+  companion:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    description:
+     Phandle of a companion.
+
   phys: true
 
 required:
-- 
2.17.1