AINCOM should actually be a supply. AINx inputs are referenced to AINCOM
in pseudo-differential operation mode. AINCOM voltage represents the
offset of corresponding channels.
Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
Signed-off-by: Alisa-Dariana Roman <alisa.roman@xxxxxxxxxx>
---
Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
index 16def2985ab4..cf5c568f140a 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
@@ -41,6 +41,11 @@ properties:
interrupts:
maxItems: 1
+ aincom-supply:
+ description: |
+ AINCOM voltage supply. Analog inputs AINx are referenced to this input
+ when configured for pseudo-differential operation.
+
dvdd-supply:
description: DVdd voltage supply
@@ -117,6 +122,7 @@ examples:
clock-names = "mclk";
interrupts = <25 0x2>;
interrupt-parent = <&gpio>;
+ aincom-supply = <&aincom>;
dvdd-supply = <&dvdd>;
avdd-supply = <&avdd>;
vref-supply = <&vref>;
--
2.34.1
