From: Alisa-Dariana Roman <alisadariana@gmail.com>
To: michael.hennerich@analog.com, linux-iio@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org,
robh@kernel.org, krzysztof.kozlowski+dt@linaro.org,
conor+dt@kernel.org, lgirdwood@gmail.com, broonie@kernel.org,
andy@kernel.org, nuno.sa@analog.com, marcelo.schmitt@analog.com,
bigunclemax@gmail.com, dlechner@baylibre.com,
okan.sahin@analog.com, fr0st61te@gmail.com,
alisa.roman@analog.com, marcus.folkesson@gmail.com,
schnelle@linux.ibm.com, liambeguin@gmail.com
Subject: [PATCH v8 4/6] dt-bindings: iio: adc: Add single-channel property
Date: Tue, 14 May 2024 15:02:20 +0300 [thread overview]
Message-ID: <20240514120222.56488-5-alisa.roman@analog.com> (raw)
In-Reply-To: <20240514120222.56488-1-alisa.roman@analog.com>
Devices that have both single-ended channels and differential channels
cause a bit of confusion when the channels are configured in the
devicetree.
Clarify difference between these two types of channels for such devices
by adding single-channel property alongside diff-channels. They should
be mutually exclusive.
Devices that have only single-ended channels can still use reg property
to reference a channel like before.
Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Alisa-Dariana Roman <alisa.roman@analog.com>
---
.../devicetree/bindings/iio/adc/adc.yaml | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/Documentation/devicetree/bindings/iio/adc/adc.yaml b/Documentation/devicetree/bindings/iio/adc/adc.yaml
index 36775f8f71df..0a77592f7388 100644
--- a/Documentation/devicetree/bindings/iio/adc/adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adc.yaml
@@ -38,6 +38,14 @@ properties:
The first value specifies the positive input pin, the second
specifies the negative input pin.
+ single-channel:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When devices combine single-ended and differential channels, allow the
+ channel for a single element to be specified, independent of reg (as for
+ differential channels). If this and diff-channels are not present reg
+ shall be used instead.
+
settling-time-us:
description:
Time between enabling the channel and first stable readings.
@@ -50,4 +58,15 @@ properties:
device design and can interact with other characteristics such as
settling time.
+anyOf:
+ - oneOf:
+ - required:
+ - reg
+ - diff-channels
+ - required:
+ - reg
+ - single-channel
+ - required:
+ - reg
+
additionalProperties: true
--
2.34.1
next prev parent reply other threads:[~2024-05-14 12:03 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-14 12:02 [PATCH v8 0/6] iio: adc: ad7192: Add AD7194 support Alisa-Dariana Roman
2024-05-14 12:02 ` [PATCH v8 1/6] iio: adc: ad7192: Use standard attribute Alisa-Dariana Roman
2024-05-19 17:45 ` Jonathan Cameron
2024-05-14 12:02 ` [PATCH v8 2/6] dt-bindings: iio: adc: ad7192: Add aincom supply Alisa-Dariana Roman
2024-05-19 17:54 ` Jonathan Cameron
2024-05-14 12:02 ` [PATCH v8 3/6] " Alisa-Dariana Roman
2024-05-14 13:13 ` Andy Shevchenko
2024-05-19 17:53 ` Jonathan Cameron
2024-05-14 12:02 ` Alisa-Dariana Roman [this message]
2024-05-14 18:57 ` [PATCH v8 4/6] dt-bindings: iio: adc: Add single-channel property Conor Dooley
2024-05-14 12:02 ` [PATCH v8 5/6] dt-bindings: iio: adc: ad7192: Add AD7194 support Alisa-Dariana Roman
2024-05-14 18:58 ` Conor Dooley
2024-05-14 12:02 ` [PATCH v8 6/6] " Alisa-Dariana Roman
2024-05-14 13:09 ` Andy Shevchenko
2024-05-19 18:03 ` Jonathan Cameron
2024-05-19 19:37 ` Alisa-Dariana Roman
2024-05-20 12:20 ` Jonathan Cameron
2024-05-20 12:28 ` Andy Shevchenko
2024-05-22 9:50 ` [PATCH] fix Alisa-Dariana Roman
2024-05-25 16:35 ` Jonathan Cameron
2024-05-14 13:14 ` [PATCH v8 0/6] iio: adc: ad7192: Add AD7194 support Andy Shevchenko
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