linux-kernel - [PATCH v4 4/5] dt-bindings: usb: microchip,usb2514: add vbus-supply example

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Message-Id: <20250911-v6-16-topic-usb-onboard-dev-v4-4-1af288125d74@pengutronix.de>
Date: Thu, 11 Sep 2025 22:22:45 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Fabio Estevam <festevam@...il.com>, 
 Matthias Kaehlcke <mka@...omium.org>, Liam Girdwood <lgirdwood@...il.com>, 
 Mark Brown <broonie@...nel.org>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, kernel@...gutronix.de, 
 Marco Felsch <m.felsch@...gutronix.de>
Subject: [PATCH v4 4/5] dt-bindings: usb: microchip,usb2514: add
 vbus-supply example

Add an usb hub vbus-supply example to make it easier for users to
understand the binding, after the usb-device.yaml gained the support for
it.

Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
 Documentation/devicetree/bindings/usb/microchip,usb2514.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
index 4e3901efed3fcd4fbbd8cb777f9df4fcadf2ca00..9874bbd03e31fd7ff1c439eb860a15617f147406 100644
--- a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
+++ b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
@@ -86,5 +86,12 @@ examples:
                 compatible = "usbb95,772b";
                 reg = <1>;
             };
+
+            /* VBUS on the 2nd port is managed by the host */
+            ethernet@2 {
+                compatible = "usbb95,772b";
+                reg = <2>;
+                vbus-supply = <&reg_5v0_vbus>;
+            };
         };
     };

-- 
2.47.3