linux-kernel - [PATCH v3 3/7] regulator: dt-bindings: fixed-regulator: Add under-voltage interrupt support

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Message-Id: <20231025084614.3092295-4-o.rempel@pengutronix.de>
Date:   Wed, 25 Oct 2023 10:46:10 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v3 3/7] regulator: dt-bindings: fixed-regulator: Add under-voltage interrupt support

Add under-voltage interrupt support. This can be used with simple
regulators having no other way to communicate an under-voltage event
except as by toggling some GPIO line.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 .../devicetree/bindings/regulator/fixed-regulator.yaml       | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
index ac0281b1cceb..ce7751b9129c 100644
--- a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
@@ -100,6 +100,11 @@ properties:
   vin-supply:
     description: Input supply phandle.
 
+  interrupts:
+    maxItems: 1
+    description:
+      Interrupt signaling a critical under-voltage event.
+
 required:
   - compatible
   - regulator-name
-- 
2.39.2