[PATCH 2/6] arm64: dts: exynos: add ADC supply on Exynos7 Espresso

[Krzysztof Kozlowski]

ADC requires supply and it seems LDO3 (same as on Exynos5433 TM2 boards)
fits in voltage range of 1.8 V.  Use it to silence warning:

  exynos7-espresso.dtb: adc at 13620000: 'vdd-supply' is a required property

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
 arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index 829657c9c7ca..abb3bd700d6f 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -78,6 +78,7 @@ &watchdog {
 };
 
 &adc {
+	vdd-supply = <&ldo3_reg>;
 	status = "okay";
 };
 
-- 
2.34.1