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[v4,1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties

Message ID 20210322150608.14347-2-o.rempel@pengutronix.de (mailing list archive)
State New
Headers show
Series mainline ti tsc2046 adc driver | expand

Commit Message

Oleksij Rempel March 22, 2021, 3:06 p.m. UTC
Settling time and over sampling is a typical challenge for different IIO ADC
devices. So, introduce channel specific settling-time-us and oversampling-ratio
properties to cover this use case.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 Documentation/devicetree/bindings/iio/adc/adc.yaml | 9 +++++++++
 1 file changed, 9 insertions(+)

Comments

Rob Herring March 26, 2021, 9:19 p.m. UTC | #1
On Mon, Mar 22, 2021 at 04:06:06PM +0100, Oleksij Rempel wrote:
> Settling time and over sampling is a typical challenge for different IIO ADC
> devices. So, introduce channel specific settling-time-us and oversampling-ratio
> properties to cover this use case.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
>  Documentation/devicetree/bindings/iio/adc/adc.yaml | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml
> index 912a7635edc4..66fd4b45f097 100644
> --- a/Documentation/devicetree/bindings/iio/adc/adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml
> @@ -39,4 +39,13 @@ properties:
>        The first value specifies the positive input pin, the second
>        specifies the negative input pin.
>  
> +  settling-time-us:
> +    $ref: /schemas/types.yaml#/definitions/uint32

Don't need a type for properties with a standard unit suffix.

> +    description:
> +      Time between enabling the channel and firs stable readings.
> +
> +  oversampling-ratio:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: Number of data samples which are averaged for each read.
> +
>  additionalProperties: true
> -- 
> 2.29.2
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml
index 912a7635edc4..66fd4b45f097 100644
--- a/Documentation/devicetree/bindings/iio/adc/adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml
@@ -39,4 +39,13 @@  properties:
       The first value specifies the positive input pin, the second
       specifies the negative input pin.
 
+  settling-time-us:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      Time between enabling the channel and firs stable readings.
+
+  oversampling-ratio:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Number of data samples which are averaged for each read.
+
 additionalProperties: true