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Message-Id: <20200114151906.25491-5-andrew.smirnov@gmail.com>
Date: Tue, 14 Jan 2020 07:19:05 -0800
From: Andrey Smirnov <andrew.smirnov@...il.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@...il.com>,
Chris Healy <cphealy@...il.com>,
Fabio Estevam <festevam@...il.com>,
Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] ARM: dts: vf610-zii-dev: Add voltage monitor DT node
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@...il.com>
Cc: Chris Healy <cphealy@...il.com>
Cc: Fabio Estevam <festevam@...il.com>
Cc: Shawn Guo <shawnguo@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
arch/arm/boot/dts/vf610-zii-dev.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/vf610-zii-dev.dtsi b/arch/arm/boot/dts/vf610-zii-dev.dtsi
index a1b4ccee2a10..95d0060fb56c 100644
--- a/arch/arm/boot/dts/vf610-zii-dev.dtsi
+++ b/arch/arm/boot/dts/vf610-zii-dev.dtsi
@@ -84,6 +84,14 @@
regulator-boot-on;
gpio = <&gpio0 6 0>;
};
+
+ supply-voltage-monitor {
+ compatible = "iio-hwmon";
+ io-channels = <&adc0 8>, /* VCC_1V5 */
+ <&adc0 9>, /* VCC_1V8 */
+ <&adc1 8>, /* VCC_1V0 */
+ <&adc1 9>; /* VCC_1V2 */
+ };
};
&adc0 {
--
2.21.0
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