linux-kernel - [PATCH/RFC 5/5] arm64: dts: renesas: salvator-common: Configure PMIC for DDR Backup Power

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Date:   Tue, 10 Oct 2017 17:26:18 +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 5/5] arm64: dts: renesas: salvator-common: Configure PMIC for DDR Backup Power

On Salvator-X(S), all of DDR0, DDR1, DDR0C, and DDR1C need to be kept
powered when backup mode is enabled.

Reflect this in the rohm,ddr-backup-power property for the BD9571MWV
PMIC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
 arch/arm64/boot/dts/renesas/salvator-common.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
index c171718bac7f52a1..68245d87c305855c 100644
--- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
@@ -366,6 +366,7 @@
 		#interrupt-cells = <2>;
 		gpio-controller;
 		#gpio-cells = <2>;
+		rohm,ddr-backup-power = <15>;
 
 		regulators {
 			dvfs: dvfs {
-- 
2.7.4