linux-kernel - [PATCH/RFC 1/5] dt-bindings: mfd: bd9571mwv: Document rohm,ddr-backup-power

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Date:   Tue, 10 Oct 2017 17:26:14 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Marek Vasut <marek.vasut+renesas@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Lee Jones <lee.jones@...aro.org>,
        linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH/RFC 1/5] dt-bindings: mfd: bd9571mwv: Document rohm,ddr-backup-power

Document the new optional "rohm,ddr-backup-power" property.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 Documentation/devicetree/bindings/mfd/bd9571mwv.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
index 9ab216a851d5619b..7ea3f2db41d4e501 100644
--- a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
+++ b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
@@ -25,6 +25,12 @@ Required properties:
 			    Each child node is defined using the standard
 			    binding for regulators.
 
+Optional properties:
+  - rohm,ddr-backup-power : Value to use for DDR-Backup Power.  This controls
+			    which DDR rails need to be kept powered when backup
+			    mode is enabled, cfr. the KEEPON_DDR* bits in the
+			    documentation for the "BKUP Mode Cnt" register.
+
 Example:
 
 	pmic: pmic@30 {
@@ -36,6 +42,7 @@ Example:
 		#interrupt-cells = <2>;
 		gpio-controller;
 		#gpio-cells = <2>;
+		rohm,ddr-backup-power = <15>;
 
 		regulators {
 			dvfs: dvfs {
-- 
2.7.4