linux-kernel - [PATCH v3 3/4] dt-bindings: usb: microchip,usb2514: add support for port vbus-supply

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Message-Id: <20250821-v6-16-topic-usb-onboard-dev-v3-3-6d2b38a5d818@pengutronix.de>
Date: Thu, 21 Aug 2025 18:31:57 +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 v3 3/4] dt-bindings: usb: microchip,usb2514: add support
 for port vbus-supply

Some PCB designs don't connect the USB hub port power control GPIO and
instead make use of a host controllable regulator. Add support for this
use-case by introducing portX-vbus-supply property.

Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
 Documentation/devicetree/bindings/usb/microchip,usb2514.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
index 4e3901efed3fcd4fbbd8cb777f9df4fcadf2ca00..ac1e5f1a5ea2e66c61ce92154385952b15e78e55 100644
--- a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
+++ b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
@@ -49,6 +49,12 @@ patternProperties:
     $ref: /schemas/usb/usb-device.yaml
     additionalProperties: true
 
+  "^port[1-7]-vbus-supply$":
+    type: object
+    description:
+      Regulator controlling the USB VBUS on portX. Only required if the host
+      controls the portX VBUS.
+
 allOf:
   - $ref: usb-device.yaml#
   - if:

-- 
2.39.5