[PATCH 3/3] arm64: allwinner: a64: set CPU regulator for Pine64

[Icenowy Zheng]

The DCDC2 regulator of the AXP803 PMIC is used for the voltage scaling
of the ARM cores on the A64 SoC.

Add this definition to enable it on Pine64.

Signed-off-by: Icenowy Zheng <icen...@aosc.io>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts 
b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
index d06e34b5d192..cc77503091f1 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts
@@ -63,6 +63,10 @@
        };
 };
 
+&cpu0 {
+       cpu-supply = <&reg_dcdc2>;
+};
+
 &ehci0 {
        status = "okay";
 };
-- 
2.13.5