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Message-id: <1505723992-11772-3-git-send-email-m.purski@samsung.com>
Date:   Mon, 18 Sep 2017 10:39:52 +0200
From:   Maciej Purski <m.purski@...sung.com>
To:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Cc:     Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Maciej Purski <m.purski@...sung.com>
Subject: [PATCH 2/2] regulator: bindings: Add properties for coupled
 regulators

Some regulators require keeping their voltage spread below defined
max_spread.

Add properties to provide information on regulators' coupling.

Signed-off-by: Maciej Purski <m.purski@...sung.com>
---
 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
-- 
2.7.4

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