linux-kernel - [PATCH] dt-bindings: usb: dwc3-xilinx: allow dma-coherent

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Message-ID: <1747401516-286356-1-git-send-email-radhey.shyam.pandey@amd.com>
Date: Fri, 16 May 2025 18:48:36 +0530
From: Radhey Shyam Pandey <radhey.shyam.pandey@....com>
To: <gregkh@...uxfoundation.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
	<conor+dt@...nel.org>, <michal.simek@....com>
CC: <linux-usb@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<git@....com>, Radhey Shyam Pandey <radhey.shyam.pandey@....com>
Subject: [PATCH] dt-bindings: usb: dwc3-xilinx: allow dma-coherent

On Versal Gen 2 SoC the LPD USB DMA controller is coherent with the CPU
so allow specifying the information.

Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@....com>
---
 Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
index 379dacacb526..36f5c644d959 100644
--- a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
@@ -26,6 +26,8 @@ properties:
 
   ranges: true
 
+  dma-coherent: true
+
   power-domains:
     description: specifies a phandle to PM domain provider node
     maxItems: 1

base-commit: 8566fc3b96539e3235909d6bdda198e1282beaed
-- 
2.34.1