[PATCH 2/5] ARM: dts: vf610-zii-ssmb-dtu: Add voltage monitor DT node

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Add a DT node for various voltage supply rails connected to SoC's ADC
for voltage monitoring purposes.

Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
Cc: Chris Healy <cphealy@xxxxxxxxx>
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts b/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
index 847c5858fea1..a6c22a79779e 100644
--- a/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
+++ b/arch/arm/boot/dts/vf610-zii-ssmb-dtu.dts
@@ -46,6 +46,14 @@
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
 	};
+
+	supply-voltage-monitor {
+		compatible = "iio-hwmon";
+		io-channels = <&adc0 8>, /* 12V_MAIN */
+			      <&adc0 9>, /* +3.3V    */
+			      <&adc1 8>, /* VCC_1V5  */
+			      <&adc1 9>; /* VCC_1V2  */
+	};
 };
 
 &adc0 {
-- 
2.21.0




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