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Subject[PATCH 3/5] ARM: dts: vf610-zii-spb4: Add voltage monitor DT node
Date
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@gmail.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
arch/arm/boot/dts/vf610-zii-spb4.dts | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/vf610-zii-spb4.dts b/arch/arm/boot/dts/vf610-zii-spb4.dts
index 77e1484211e4..55b4201e27f6 100644
--- a/arch/arm/boot/dts/vf610-zii-spb4.dts
+++ b/arch/arm/boot/dts/vf610-zii-spb4.dts
@@ -42,6 +42,14 @@
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
+
+ supply-voltage-monitor {
+ compatible = "iio-hwmon";
+ io-channels = <&adc0 8>, /* 28V_SW */
+ <&adc0 9>, /* +3.3V */
+ <&adc1 8>, /* VCC_1V5 */
+ <&adc1 9>; /* VCC_1V2 */
+ };
};

&adc0 {
--
2.21.0
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