From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Rob Herring <robh+dt@kernel.org>, Jonathan Cameron <jic23@kernel.org>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Pengutronix Kernel Team <kernel@pengutronix.de>,
David Jander <david@protonic.nl>,
Robin van der Gracht <robin@protonic.nl>,
linux-iio@vger.kernel.org, Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>
Subject: [PATCH v6 1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties
Date: Wed, 28 Apr 2021 09:32:06 +0200 [thread overview]
Message-ID: <20210428073208.19570-2-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20210428073208.19570-1-o.rempel@pengutronix.de>
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 | 12 ++++++++++++
1 file changed, 12 insertions(+)
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
--
2.29.2
next prev parent reply other threads:[~2021-04-28 7:32 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-28 7:32 [PATCH v6 0/3] mainline ti tsc2046 adc driver Oleksij Rempel
2021-04-28 7:32 ` Oleksij Rempel [this message]
2021-04-28 16:59 ` [PATCH v6 1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties Jonathan Cameron
2021-04-29 4:26 ` Oleksij Rempel
2021-04-30 20:11 ` Rob Herring
2021-04-28 7:32 ` [PATCH v6 2/3] dt-bindings:iio:adc: add documentation for TI TSC2046 controller Oleksij Rempel
2021-04-28 7:32 ` [PATCH v6 3/3] iio: adc: add ADC driver for the " Oleksij Rempel
2021-04-28 16:56 ` Jonathan Cameron
2021-05-03 11:28 ` [PATCH v6 0/3] mainline ti tsc2046 adc driver Jonathan Cameron
2021-05-14 7:57 ` Oleksij Rempel
2021-05-14 8:15 ` Jonathan Cameron
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