linux-kernel - [PATCH 3/3] ARM: dts: sun7i: lamobo-r1: Add backup battery charging property

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Date:   Sat, 30 Dec 2017 16:23:30 +0100
From:   Paul Kocialkowski <contact@...lk.fr>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...glegroups.com
Cc:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chen-Yu Tsai <wens@...e.org>,
        Russell King <linux@...linux.org.uk>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Paul Kocialkowski <contact@...lk.fr>
Subject: [PATCH 3/3] ARM: dts: sun7i: lamobo-r1: Add backup battery charging property

This adds the axp20x backup property to the lamobo-r1 device-tree,
that allows charging the backup battery attached to its AXP209.

It is especially useful since the battery is used for the RTC module.

Signed-off-by: Paul Kocialkowski <contact@...lk.fr>

diff --git a/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts b/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
index 442f3c755f36..e218fd8ea94f 100644
--- a/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
+++ b/arch/arm/boot/dts/sun7i-a20-lamobo-r1.dts
@@ -207,6 +207,8 @@
 		reg = <0x34>;
 		interrupt-parent = <&nmi_intc>;
 		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+
+		backup = <3000 200>;
 	};
 };
 
-- 
2.15.1