[PATCH] ARM: sun6i: a31s: primo81: Enable battery power supply

[Chen-Yu Tsai]

The MSI Primo81 tablet has a 3500 mAh 3.7V LiPo battery.

Enable the PMIC's battery power supply so the battery can be monitored.

Signed-off-by: Chen-Yu Tsai <w...@csie.org>
---
 arch/arm/boot/dts/sun6i-a31s-primo81.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/sun6i-a31s-primo81.dts 
b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
index 73b163a7d9dd..4c10123509c4 100644
--- a/arch/arm/boot/dts/sun6i-a31s-primo81.dts
+++ b/arch/arm/boot/dts/sun6i-a31s-primo81.dts
@@ -164,6 +164,10 @@
 
 #include "axp22x.dtsi"
 
+&battery_power_supply {
+       status = "okay";
+};
+
 &reg_aldo3 {
        regulator-always-on;
        regulator-min-microvolt = <2700000>;
-- 
2.11.0