linux-kernel - [RFC PATCH v1 1/2] regulator: Add dummy regulator consumer binding

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Message-ID: <20250607212654.126412-2-alex.vinarskis@gmail.com>
Date: Sat,  7 Jun 2025 23:25:38 +0200
From: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
To: Aleksandrs Vinarskis <alex.vinarskis@...il.com>,
	Mark Brown <broonie@...nel.org>,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Cc: Liam Girdwood <lgirdwood@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	jens.glathe@...schoolsolutions.biz,
	konrad.dybcio@....qualcomm.com
Subject: [RFC PATCH v1 1/2] regulator: Add dummy regulator consumer binding

Add the devicetree binding for the upcoming driver.

Signed-off-by: Aleksandrs Vinarskis <alex.vinarskis@...il.com>
---
 .../bindings/regulator/dummy-consumer.yaml    | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/dummy-consumer.yaml

diff --git a/Documentation/devicetree/bindings/regulator/dummy-consumer.yaml b/Documentation/devicetree/bindings/regulator/dummy-consumer.yaml
new file mode 100644
index 000000000000..efe8cccab080
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/dummy-consumer.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/dummy-consumer.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Dummy regulator consumer
+
+maintainers:
+  - Aleksandrs Vinarskis <alex.vinarskis@...il.com>
+
+description: |
+  Simple dummy regulator consumer node for devices which are not/cannot be
+  described in the devicetree, and do not need to be powered on during
+  suspend. A power-friendly alternative to leaving regulator without
+  consumer with 'regulator-always-on' property.
+
+properties:
+  compatible:
+    enum:
+      - regulator-dummy-consumer
+
+  vdd-supply:
+    description: Regulator to control
+    $ref: /schemas/types.yaml#/definitions/phandle
+
+required:
+  - compatible
+  - vdd-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    integrated-usb-camera {
+      compatible = "regulator-dummy-consumer";
+
+      vdd-supply = <&vdd>;
+    };
-- 
2.45.2