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| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2021-04-28 09:32:06 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-05-17 13:49:11 +0100 |
| commit | f7e196fc0815dea074b861a97503bf0d330f7165 (patch) | |
| tree | e2aaa1e01f8d22f5dbb331d97cdfce3ad0a3a4a4 | |
| parent | caf0fb3bb38a7e94beb77d31364b0d1ee42aed37 (diff) | |
| download | linux-f7e196fc0815dea074b861a97503bf0d330f7165.tar.bz2 | |
dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties
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>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210428073208.19570-2-o.rempel@pengutronix.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/adc.yaml | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml index 912a7635edc4..db348fcbb52c 100644 --- a/Documentation/devicetree/bindings/iio/adc/adc.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml @@ -39,4 +39,16 @@ properties: The first value specifies the positive input pin, the second specifies the negative input pin. + settling-time-us: + description: + Time between enabling the channel and first stable readings. + + oversampling-ratio: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Oversampling is used as replacement of or addition to the low-pass filter. + In some cases, the desired filtering characteristics are a function the + device design and can interact with other characteristics such as + settling time. + additionalProperties: true |