diff mbox series

[v2,17/17] dt-bindings: ehci/ohci: Allow iommus property

Message ID 20200507112430.183940-18-andre.przywara@arm.com
State New
Headers show
Series [v2,01/17] dt-bindings: arm-smmu: Allow mmu-400,smmu-v1 compatible | expand

Commit Message

Andre Przywara May 7, 2020, 11:24 a.m. UTC 
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>
---
 Documentation/devicetree/bindings/usb/generic-ehci.yaml | 3 +++
 Documentation/devicetree/bindings/usb/generic-ohci.yaml | 3 +++
 2 files changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index 10edd05872ea..20664c28bfb2 100644
--- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
@@ -74,6 +74,9 @@  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 bcffec1f1341..ff6c04cde695 100644
--- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
@@ -73,6 +73,9 @@  properties:
   phy-names:
     const: usb
 
+  iommus:
+    maxItems: 1
+
 required:
   - compatible
   - reg