linux-kernel - [PATCH 2/2] dt-bindings: usb: add no-64-bit-support property

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Message-ID: <20231031044021.1162403-3-mnkumar@google.com>
Date:   Tue, 31 Oct 2023 04:40:21 +0000
From:   Naveen Kumar <mnkumar@...gle.com>
To:     Mathias Nyman <mathias.nyman@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        royluo@...gle.com, Naveen Kumar M <mnkumar@...gle.com>
Subject: [PATCH 2/2] dt-bindings: usb: add no-64-bit-support property

From: Naveen Kumar M <mnkumar@...gle.com>

Add a new DT option to specify whether a host controller is able to
support 64-bit DMA memory pointers

Signed-off-by: Naveen Kumar M <mnkumar@...gle.com>
---
 Documentation/devicetree/bindings/usb/usb-xhci.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.yaml b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
index 180a261c3e8f..20dc134004f3 100644
--- a/Documentation/devicetree/bindings/usb/usb-xhci.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-xhci.yaml
@@ -25,6 +25,10 @@ properties:
     description: Set if the controller has broken port disable mechanism
     type: boolean
 
+  quirk-no-64-bit-support:
+    description: Set if the xHC doesn't support 64-bit DMA memory pointers
+    type: boolean
+
   imod-interval-ns:
     description: Interrupt moderation interval
     default: 5000
-- 
2.42.0.820.g83a721a137-goog