Re: [PATCH v3 4/5] dt-bindings: iio: dac: Add adi,ltc2672.yaml

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On 6/2/24 8:21 PM, Kim Seer Paller wrote:
> Add documentation for ltc2672.
> 
> Reported-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
> Closes: https://lore.kernel.org/all/171643825573.1037396.2749703571529285460.robh@xxxxxxxxxx/
> Co-developed-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
> Signed-off-by: Michael Hennerich <michael.hennerich@xxxxxxxxxx>
> Signed-off-by: Kim Seer Paller <kimseer.paller@xxxxxxxxxx>
> ---
>  .../bindings/iio/dac/adi,ltc2672.yaml         | 158 ++++++++++++++++++
>  MAINTAINERS                                   |   1 +
>  2 files changed, 159 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/dac/adi,ltc2672.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ltc2672.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ltc2672.yaml
> new file mode 100644
> index 000000000000..d143a9db7010
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/dac/adi,ltc2672.yaml
> @@ -0,0 +1,158 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/dac/adi,ltc2672.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices LTC2672 DAC
> +
> +maintainers:
> +  - Michael Hennerich <michael.hennerich@xxxxxxxxxx>
> +  - Kim Seer Paller <kimseer.paller@xxxxxxxxxx>
> +
> +description: |
> +  Analog Devices LTC2672 5 channel, 16 bit, 300mA DAC
> +  https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2672.pdf
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,ltc2672

The linked datasheet describes 12-bit and 16-bit versions, so should we have
two compatibles here? adi,ltc2672-12, adi,ltc2672-16

I don't see any ID registers where this could be read from the chip at
runtime, so seems like something that needs to be in the devicetree.




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