[PATCH 1/2] dt-bindings: usb: xhci: Allow "iommus" and "dr_mode" properties
From: "Rob Herring (Arm)" <robh@kernel.org>
Date: 2025-09-19 22:34:45
Also in:
linux-usb, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
Allow "iommus" property as it's reasonable for any XHCI controller to be behind an IOMMU. Allow "dr_mode" as an XHCI controller can be part of a dual-role controller. In particular, the Marvell Armada 8K XHCI controller uses both of these properties. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> --- Documentation/devicetree/bindings/usb/generic-xhci.yaml | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/usb/generic-xhci.yaml b/Documentation/devicetree/bindings/usb/generic-xhci.yaml
index a2b94a138999..8875911b43cc 100644
--- a/Documentation/devicetree/bindings/usb/generic-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/generic-xhci.yaml@@ -53,6 +53,14 @@ properties: dma-coherent: true + dr_mode: + enum: + - host + - otg + + iommus: + maxItems: 1 + power-domains: maxItems: 1
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2.51.0