[PATCH] dt-bindings: usb: ehci/ohci: Allow "dma-coherent"
From: Rob Herring (Arm)
Date: Mon Dec 15 2025 - 16:25:21 EST
EHCI and OHCI controllers can be DMA coherent on some platforms, so
allow the "dma-coherent" property.
Signed-off-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
---
Documentation/devicetree/bindings/usb/generic-ehci.yaml | 2 ++
Documentation/devicetree/bindings/usb/generic-ohci.yaml | 2 ++
2 files changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index 4e84bead0232..601f097c09a6 100644
--- a/Documentation/devicetree/bindings/usb/generic-ehci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
@@ -93,6 +93,8 @@ properties:
minItems: 1
maxItems: 2
+ dma-coherent: true
+
interrupts:
maxItems: 1
diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
index 3ee1586fc8b9..961cbf85eeb5 100644
--- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml
@@ -64,6 +64,8 @@ properties:
reg:
maxItems: 1
+ dma-coherent: true
+
interrupts:
maxItems: 1
--
2.51.0