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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
State New
Headers show
Series [v4,1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties | 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