linux-kernel - [PATCH 1/5] dt-bindings: hwmon: gpio-fan: Add optional regulator support

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Message-Id: <20250210145934.761280-2-alexander.stein@ew.tq-group.com>
Date: Mon, 10 Feb 2025 15:59:29 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	linux-hwmon@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] dt-bindings: hwmon: gpio-fan: Add optional regulator support

This adds an optional regulator support (e.g. switchable supply) to the
GPIO fan binding.

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 Documentation/devicetree/bindings/hwmon/gpio-fan.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/gpio-fan.yaml b/Documentation/devicetree/bindings/hwmon/gpio-fan.yaml
index 7f30cfc873506..d5386990ab153 100644
--- a/Documentation/devicetree/bindings/hwmon/gpio-fan.yaml
+++ b/Documentation/devicetree/bindings/hwmon/gpio-fan.yaml
@@ -23,6 +23,9 @@ properties:
   alarm-gpios:
     maxItems: 1
 
+  fan-supply:
+    description: Phandle to the regulator that provides power to the fan.
+
   gpio-fan,speed-map:
     $ref: /schemas/types.yaml#/definitions/uint32-matrix
     minItems: 2
-- 
2.34.1