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Date:   Mon, 18 Sep 2017 10:39:52 +0200
From:   Maciej Purski <>
Cc:     Mark Brown <>,
        Liam Girdwood <>,
        Rob Herring <>,
        Mark Rutland <>,
        Marek Szyprowski <>,
        Bartlomiej Zolnierkiewicz <>,
        Maciej Purski <>
Subject: [PATCH 2/2] regulator: bindings: Add properties for coupled

Some regulators require keeping their voltage spread below defined

Add properties to provide information on regulators' coupling.

Signed-off-by: Maciej Purski <>
 Documentation/devicetree/bindings/regulator/regulator.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt
index 378f6dc..eb9ed3f 100644
--- a/Documentation/devicetree/bindings/regulator/regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/regulator.txt
@@ -60,6 +60,9 @@ Optional properties:
 	0: Disable active discharge.
 	1: Enable active discharge.
 	Absence of this property will leave configuration to default.
+- regulator-coupled-with: Phandle to regulator with which it should be coupled.
+- regulator-couple-max-spread: Max spread between voltages of coupled regulators
+  in microvolts.
 Deprecated properties:
 - regulator-compatible: If a regulator chip contains multiple

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