linux-kernel - [PATCH 2/3] dt-bindings: usb: microchip,usb2514: add support for port vbus-supply

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Message-Id: <20240807-b4-v6-10-topic-usb-onboard-dev-v1-2-f33ce21353c9@pengutronix.de>
Date: Wed, 07 Aug 2024 16:36:52 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Matthias Kaehlcke <mka@...omium.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Fabio Estevam <festevam@...il.com>, 
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>
Cc: kernel@...gutronix.de, linux-usb@...r.kernel.org, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Marco Felsch <m.felsch@...gutronix.de>
Subject: [PATCH 2/3] 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 an host controllable regulator. Add support for this
use-case by introducing an portX-vbus-supply property.

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 783c27591e56..51d02c4b8f2d 100644
--- a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
+++ b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
@@ -35,6 +35,13 @@ required:
   - compatible
   - reg
 
+patternProperties:
+  "^port[1-7]-vbus-supply$"
+    type: object
+    description:
+      Regulator controlling the USB VBUS on portX. Only required if the host
+      controls the portX VBUS.
+
 unevaluatedProperties: false
 
 examples:

-- 
2.39.2