linux-kernel - [PATCH v4 3/5] regulator: dt-bindings: Allow system-critical marking for fixed-regulator

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Message-Id: <20231026144824.4065145-4-o.rempel@pengutronix.de>
Date:   Thu, 26 Oct 2023 16:48:22 +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 v4 3/5] regulator: dt-bindings: Allow system-critical marking for fixed-regulator

In certain projects, the main system regulator, composed of simple
components including an under-voltage detector and capacitors, can be
aptly described as a fixed regulator in the device tree. To cater to
such use cases, this patch extends the fixed regulator binding to
support the 'system-critical-regulator' property. This property
signifies that the fixed-regulator is vital for system stability.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 .../devicetree/bindings/regulator/fixed-regulator.yaml          | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
index ce7751b9129c..9ff9abf2691a 100644
--- a/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.yaml
@@ -105,6 +105,8 @@ properties:
     description:
       Interrupt signaling a critical under-voltage event.
 
+  system-critical-regulator: true
+
 required:
   - compatible
   - regulator-name
-- 
2.39.2