dt-bindings: ehci/ohci: Allow iommus property

A OHCI/EHCI controller could be behind an IOMMU, in which case an iommus
property assigns the stream ID for this device.

Allow that property in the DT bindings to fix a complaint about the Arm Juno
board's DTS file.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index fde980b9d73e507143261c9dc5449c6d18e75e6f..69f3f26d12077b069635fbc491a4cbfd7b0e8566 100644 (file)
--- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
@@ -88,6 +88,9 @@ properties:
   phy-names:
     const: usb
 
+  iommus:
+    maxItems: 1
+
 required:
   - compatible
   - reg

diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
index d7efddf27b22e264ac62a282f339c2f64e51fd25..2178bcc401bcbe947fc87b6baa88655f4276f81c 100644 (file)
--- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
@@ -76,6 +76,9 @@ properties:
   phy-names:
     const: usb
 
+  iommus:
+    maxItems: 1
+
 required:
   - compatible
   - reg