From 958ea8c2137946e8c35b890bcfbdc6db974d8b82 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@nxp.com>
Date: Thu, 9 Jul 2026 16:53:30 -0400
Subject: [PATCH] dt-bindings: usb: cdns3: allow iommus property

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

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260709205331.636449-1-Frank.Li@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 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 e8082c5c05a2..c14a88aad31e 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: