dt-bindings: usb: ehci/ohci: Allow "dma-coherent"

EHCI and OHCI controllers can be DMA coherent on some platforms, so
allow the "dma-coherent" property.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20251215212515.3318052-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/usb/generic-ehci.yaml b/Documentation/devicetree/bindings/usb/generic-ehci.yaml
index 4e84bead023258b27422215538aa38320e0f438a..601f097c09a69506455dadf0387598670432640b 100644 (file)
--- 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 3ee1586fc8b96866e0a96ea36a15d5a8d88bf8d8..961cbf85eeb5b57bb74da89d2fcec34bf4c3473f 100644 (file)
--- 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