diff mbox series

[v6,2/5] dt-bindings: iio: adc: ad7192: Add aincom supply

Message ID 20240417170054.140587-3-alisa.roman@analog.com (mailing list archive)
State Changes Requested
Headers show
Series iio: adc: ad7192: Add AD7194 support | expand

Commit Message

Alisa-Dariana Roman April 17, 2024, 5 p.m. UTC 
AINCOM should actually be a supply. AINx inputs are referenced to AINCOM
in pseduo-differential operation mode. AINCOM voltage represets the
offset of corresponding channels.

Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
---
 Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Rob Herring April 19, 2024, 9:35 p.m. UTC | #1 
On Wed, 17 Apr 2024 20:00:51 +0300, Alisa-Dariana Roman wrote:
> AINCOM should actually be a supply. AINx inputs are referenced to AINCOM
> in pseduo-differential operation mode. AINCOM voltage represets the
> offset of corresponding channels.
> 
> Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
> ---
>  Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml | 6 ++++++
>  1 file changed, 6 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
diff mbox series

Patch

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>;