From: Olliver Schinagl <[email protected]>

The lradc's analog reference voltage is set to 3.0 volt in the
hardware. This is more or less set in copper for at least lradc0. Set the
property in the dts to ensure the lradc is referenced properly.

Signed-off-by: Olliver Schinagl <[email protected]>
Signed-off-by: Priit Laes <[email protected]>
---
 arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts 
b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
index 1b9867f..7142471 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
@@ -154,6 +154,10 @@
        };
 };
 
+&lradc {
+       vref-supply = <&reg_vcc3v0>;
+};
+
 &mmc0 {
        pinctrl-names = "default";
        pinctrl-0 = <&mmc0_pins_a>;
-- 
git-series 0.9.1

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