From: Maciej Purski <m.purski@samsung.com>
To: Mark Brown <broonie@kernel.org>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
        Liam Girdwood <lgirdwood@gmail.com>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Marek Szyprowski <m.szyprowski@samsung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
        Maciej Purski <m.purski@samsung.com>
Subject: [PATCH v3 2/4] regulator: bindings: Add properties for coupled
 regulators
Date: Thu, 07 Dec 2017 10:46:13 +0100
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        <CGME20171207094752eucas1p2ca38d1197d8057cb92b33a81a9942915@eucas1p2.samsung.com>
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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@samsung.com>
---
 Documentation/devicetree/bindings/regulator/regulator.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt
index 378f6dc..841b1bc 100644
--- a/Documentation/devicetree/bindings/regulator/regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/regulator.txt
@@ -60,6 +60,11 @@ Optional properties:
 	0: Disable active discharge.
 	1: Enable active discharge.
 	Absence of this property will leave configuration to default.
+- regulator-coupled-with: Regulators with which the regulator
+  is coupled. The linkage is 2-way - all coupled regulators should be linked
+  with each other.
+- regulator-coupled-max-spread: Max spread between voltages of coupled regulators
+  in microvolts.
 
 Deprecated properties:
 - regulator-compatible: If a regulator chip contains multiple
-- 
2.7.4