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