From: Rob Herring (Arm) <robh@kernel.org>
Date: Mon, 15 Dec 2025 21:25:14 +0000 (-0600)
Subject: dt-bindings: usb: ehci/ohci: Allow "dma-coherent"
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c616b709fa2391c48bab4eea3ec586bec27e0808;p=thirdparty%2Fkernel%2Flinux.git

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 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