[PATCH 1/1] dt-bindings: usb: cdns3: allow iommus property

[Frank . Li]

From: Frank Li <Frank.Li@xxxxxxx>

Some SoC such as i.MX8QM have iommu support. Add optional property iommus.

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
 Documentation/devicetree/bindings/usb/cdns,usb3.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
index e8082c5c05a25..c14a88aad31e7 100644
--- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
+++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
@@ -50,6 +50,9 @@ properties:
       - const: otg
       - const: wakeup
 
+  iommus:
+    maxItems: 1
+
   port:
     $ref: /schemas/graph.yaml#/properties/port
     description:
-- 
2.43.0