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[v3,1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties

Message ID 20210319144509.7627-2-o.rempel@pengutronix.de (mailing list archive)
State New
Headers show
Series mainline ti tsc2046 adc driver | expand

Commit Message

Oleksij Rempel March 19, 2021, 2:45 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(+)
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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