ARM: dts: exynos: Document regulator used by ADC on Odroid U3

Add ADC node to Odroid U3 with its regulator, purely for documentation
purposes.  The ADC stays disabled because it is not used (all inputs
grounded).

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 2bdf899df436612a68346c32873d37b21ac4a4c4..88891ff5f23891647d10bfd4499b41cf95c642b8 100644 (file)
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -66,6 +66,11 @@
        };
 };
 
+&adc {
+       vdd-supply = <&ldo10_reg>;
+       /* Nothing connected to ADC inputs, keep it disabled */
+};
+
 /* Supply for LAN9730/SMSC95xx */
 &buck8_reg {
        regulator-name = "BUCK8_P3V3";