From 849f05538199e9b86c31e69ffb3a7353d04c6e44 Mon Sep 17 00:00:00 2001
From: Jacob Chen <jacob-chen@iotwrt.com>
Date: Sat, 1 Jul 2017 21:10:01 +0800
Subject: [PATCH] ARM: dts: rockchip: enable saradc for rk3288-evb

saradc in rk3288-evb use 1.8v ref.

Signed-off-by: Jacob Chen <jacob-chen@iotwrt.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 arch/arm/boot/dts/rk3288-evb.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi
index f226ca77c401..f549f91e177a 100644
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -218,6 +218,11 @@
 	status = "okay";
 };
 
+&saradc {
+	vref-supply = <&vcc_18>;
+	status = "okay";
+};
+
 &sdmmc {
 	bus-width = <4>;
 	cap-mmc-highspeed;
-- 
2.20.1