[PATCH v2 1/2] dt-bindings: usb: ti,keystone-dwc3.yaml: Add USB3.0 PHY property

[Roger Quadros]

AM654 SoC requires USB3.0 PHY to be turned on before the USB controller.
For this SoC, the 'phys' property is used to provide the USB3.0
reference.

Signed-off-by: Roger Quadros <rogerq@xxxxxx>
---
 .../devicetree/bindings/usb/ti,keystone-dwc3.yaml      | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml b/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
index 14d2fe329b93..f127535feb0b 100644
--- a/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,keystone-dwc3.yaml
@@ -34,6 +34,16 @@ properties:
       value. This property is as per the binding,
       Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
 
+  phys:
+    description:
+      PHY specifier for the USB3.0 PHY. Some SoCs need the USB3.0 PHY
+      to be turned on before the controller.
+      Documentation/devicetree/bindings/phy/phy-bindings.txt
+
+  phy-names:
+    items:
+      - const: "usb3-phy"
+
   dwc3:
     description: This is the node representing the DWC3 controller instance
       Documentation/devicetree/bindings/usb/dwc3.txt
-- 
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