Re: [PATCH v3 5/6] dt-bindings: iio: adc: Add AD4000

[Conor Dooley]

On Tue, Jun 04, 2024 at 07:43:53PM -0300, Marcelo Schmitt wrote:
> Add device tree documentation for AD4000 series of ADC devices.
> 
> Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad4000-4004-4008.pdf
> Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad4001-4005.pdf
> Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad4002-4006-4010.pdf
> Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad4003-4007-4011.pdf
> Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad4020-4021-4022.pdf
> Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4001.pdf
> Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4003.pdf
> 
> Suggested-by: David Lechner <dlechner@xxxxxxxxxxxx>

A suggested-by on a binding? That's unusual...

> Signed-off-by: Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx>
> ---
> Even though didn't pick all suggestions to the dt-bindings, I did pick most them
> so kept David's Suggested-by tag.
> 
>  .../bindings/iio/adc/adi,ad4000.yaml          | 207 ++++++++++++++++++
>  MAINTAINERS                                   |   7 +
>  2 files changed, 214 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
> new file mode 100644
> index 000000000000..7470d386906b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4000.yaml
> @@ -0,0 +1,207 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/adi,ad4000.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices AD4000 and similar Analog to Digital Converters
> +
> +maintainers:
> +  - Marcelo Schmitt <marcelo.schmitt@xxxxxxxxxx>
> +
> +description: |
> +  Analog Devices AD4000 family of Analog to Digital Converters with SPI support.
> +  Specifications can be found at:
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/ad4000-4004-4008.pdf
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/ad4001-4005.pdf
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/ad4002-4006-4010.pdf
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/ad4003-4007-4011.pdf
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/ad4020-4021-4022.pdf
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4001.pdf
> +    https://www.analog.com/media/en/technical-documentation/data-sheets/adaq4003.pdf
> +
> +$ref: /schemas/spi/spi-peripheral-props.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,ad4000
> +      - adi,ad4001
> +      - adi,ad4002
> +      - adi,ad4003
> +      - adi,ad4004
> +      - adi,ad4005
> +      - adi,ad4006
> +      - adi,ad4007
> +      - adi,ad4008
> +      - adi,ad4010
> +      - adi,ad4011
> +      - adi,ad4020
> +      - adi,ad4021
> +      - adi,ad4022
> +      - adi,adaq4001
> +      - adi,adaq4003

Are all these actually incompatible? I'd like a note in the commit
message as to why that's the case. A quick look at the driver showed
that the differences in the driver between the ad402{0,1,2} are limited
to the "dev_name". Same went for some other devices, like the
ad40{02,06,10}.

Thanks,
Conor.

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