[PATCH] dt-bindings: usb: add properties for hard wired devices

[Chunfeng Yun]

Add some optional properties which are needed for hard wired devices

Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
---
 Documentation/devicetree/bindings/usb/usb-hcd.yaml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
index 7263b7f2b510..1194a82887e7 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -22,6 +22,17 @@ properties:
     description:
       Name specifier for the USB PHY
 
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+patternProperties:
+  "^hub|device@[0-9a-f]+$":
+    type: object
+    description: The hard wired USB devices. See usb/usb-device.txt
+
 examples:
   - |
     usb {
-- 
2.18.0