dt-bindings: usb: generic-xhci: Allow dma-coherent

Some platforms like Marvell are cache coherent, so allow the
"dma-coherent" property.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250226214231.3745400-1-robh@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/Documentation/devicetree/bindings/usb/generic-xhci.yaml b/Documentation/devicetree/bindings/usb/generic-xhci.yaml
index 6ceafa4af29221efd6edad65befa6449658f8e71..a2b94a13899904b1f888fd0a85b3e226c5ad344a 100644 (file)
--- a/Documentation/devicetree/bindings/usb/generic-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-xhci.yaml
@@ -51,6 +51,8 @@ properties:
       - const: core
       - const: reg
 
+  dma-coherent: true
+
   power-domains:
     maxItems: 1