linux-kernel - [PATCH 2/6] dt-bindings: usb: cdns,usb3: support USB devices in DT

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Message-ID: <20251218152058.1521806-3-alexander.stein@ew.tq-group.com>
Date: Thu, 18 Dec 2025 16:20:49 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Peter Chen <peter.chen@...nel.org>,
	Pawel Laszczak <pawell@...ence.com>,
	Roger Quadros <rogerq@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Magnus Damm <magnus.damm@...il.com>,
	Marek Vasut <marex@...x.de>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-usb@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux@...tq-group.com
Subject: [PATCH 2/6] dt-bindings: usb: cdns,usb3: support USB devices in DT

Reference usb-hxci.yaml in host mode in order to support on-board USB
hubs.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 Documentation/devicetree/bindings/usb/cdns,usb3.yaml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
index f454ddd9bbaa6..1f7f0adc3b1ed 100644
--- a/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
+++ b/Documentation/devicetree/bindings/usb/cdns,usb3.yaml
@@ -85,6 +85,17 @@ required:
 
 allOf:
   - $ref: usb-drd.yaml#
+  - if:
+      properties:
+        dr_mode:
+          const: peripheral
+
+      required:
+        - dr_mode
+    then:
+      $ref: usb.yaml#
+    else:
+      $ref: usb-xhci.yaml#
 
 unevaluatedProperties: false
 
-- 
2.43.0