From 2439545b8c363953feaabf9b7124b8066154daaf Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Tue, 14 Jan 2020 07:19:06 -0800 Subject: [PATCH] ARM: dts: vf610-zii-cfu1: 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 Cc: Chris Healy Cc: Fabio Estevam Cc: Shawn Guo Cc: linux-arm-kernel@lists.infradead.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Shawn Guo --- arch/arm/boot/dts/vf610-zii-cfu1.dts | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/vf610-zii-cfu1.dts b/arch/arm/boot/dts/vf610-zii-cfu1.dts index 28732249cfc0..ce1920c052fc 100644 --- a/arch/arm/boot/dts/vf610-zii-cfu1.dts +++ b/arch/arm/boot/dts/vf610-zii-cfu1.dts @@ -71,6 +71,14 @@ los-gpio = <&gpio4 4 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; }; + + supply-voltage-monitor { + compatible = "iio-hwmon"; + io-channels = <&adc0 8>, /* 28VDC_IN */ + <&adc0 9>, /* +3.3V */ + <&adc1 8>, /* VCC_1V5 */ + <&adc1 9>; /* VCC_1V2 */ + }; }; &adc0 { -- 2.25.1