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authorAndrey Smirnov <andrew.smirnov@gmail.com>2020-01-14 16:19:04 +0100
committerShawn Guo <shawnguo@kernel.org>2020-02-12 15:01:02 +0100
commit68aaa6aa13756200d3eed46b66e71032d8295983 (patch)
tree3222af7d0f85ce8b21583214d7ef9c96dd0e6f0f /arch/arm/boot/dts/vf610-zii-spb4.dts
parentARM: dts: vf610-zii-ssmb-dtu: Add voltage monitor DT node (diff)
downloadlinux-68aaa6aa13756200d3eed46b66e71032d8295983.tar.xz
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ARM: dts: vf610-zii-spb4: 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@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 Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to '')
-rw-r--r--arch/arm/boot/dts/vf610-zii-spb4.dts8
1 files changed, 8 insertions, 0 deletions
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 {