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Date:   Wed, 25 Oct 2023 10:46:11 +0200
From:   Oleksij Rempel <>
To:     Liam Girdwood <>,
        Mark Brown <>,
        Rob Herring <>,
        Krzysztof Kozlowski <>,
        Conor Dooley <>
Cc:     Oleksij Rempel <>,,,
Subject: [PATCH v3 4/7] regulator: dt-bindings: whitelist system-critical-regulator property for fixed-regulator

Allow fixed-regulator to be marked as system-critical by whitelisting
the 'system-critical-regulator' property.

This property indicating that the fixed-regulator is critical to system
stability or functionality, aligning with the recent changes in the
regulator core handling of under-voltage events for system-critical

Signed-off-by: Oleksij Rempel <>
 .../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:
       Interrupt signaling a critical under-voltage event.
+  system-critical-regulator: true
   - compatible
   - regulator-name

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