linux-kernel - [PATCH v2 2/5] dt-bindings: usb: maxim,max33359: Add supply property for vbus

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Message-Id: <20251218-max77759-charger-v2-2-2b259980a686@google.com>
Date: Thu, 18 Dec 2025 22:49:07 +0000
From: Amit Sunil Dhamne via B4 Relay <devnull+amitsd.google.com@...nel.org>
To: Sebastian Reichel <sre@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 André Draszik <andre.draszik@...aro.org>, 
 Lee Jones <lee@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Badhri Jagan Sridharan <badhri@...gle.com>, 
 Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Alim Akhtar <alim.akhtar@...sung.com>
Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-usb@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
 RD Babiera <rdbabiera@...gle.com>, Kyle Tso <kyletso@...gle.com>, 
 Amit Sunil Dhamne <amitsd@...gle.com>
Subject: [PATCH v2 2/5] dt-bindings: usb: maxim,max33359: Add supply
 property for vbus

From: Amit Sunil Dhamne <amitsd@...gle.com>

Add a regulator supply property for vbus. This notifies the regulator
provider to source vbus when Type-C operates in Source power mode,
while turn off sourcing vbus when operating in Sink mode or
disconnected.

Signed-off-by: Amit Sunil Dhamne <amitsd@...gle.com>
---
 Documentation/devicetree/bindings/usb/maxim,max33359.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/usb/maxim,max33359.yaml b/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
index 3de4dc40b791..e652a24902ea 100644
--- a/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
+++ b/Documentation/devicetree/bindings/usb/maxim,max33359.yaml
@@ -32,6 +32,9 @@ properties:
     description:
       Properties for usb c connector.
 
+  vbus-supply:
+    description: Regulator to control sourcing Vbus.
+
 required:
   - compatible
   - reg
@@ -53,6 +56,7 @@ examples:
             reg = <0x25>;
             interrupt-parent = <&gpa8>;
             interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+            vbus-supply = <&chgin_otg_reg>;
 
             connector {
                 compatible = "usb-c-connector";

-- 
2.52.0.322.g1dd061c0dc-goog