Re: [PATCH v2 1/1] dt-bindings: iio: pressure: Support Honeywell mprls0025pa sensor

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On 14/04/2023 14:48, Andreas Klinger wrote:
> Honeywell mpr is a pressure sensor series. There are many different models with different pressure
> ranges, units and transfer functions.
> 
> The range and transfer function need to be set up in the dt. Therefore new properties
> honeywell,pmin-pascal, honeywell,pmax-pascal, honeywell,transfer-function are introduced.

Please wrap commit message according to Linux coding style / submission
process (neither too early nor over the limit):
https://elixir.bootlin.com/linux/v5.18-rc4/source/Documentation/process/submitting-patches.rst#L586

> 
> Add dt-bindings.
> 
> Signed-off-by: Andreas Klinger <ak@xxxxxxxxxxxxx>

Patches 2 and 3 are missing. At least they were mentioned in the
changelog but this is 1/1.

> ---
>  .../iio/pressure/honeywell,mprls0025pa.yaml   | 93 +++++++++++++++++++
>  1 file changed, 93 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
> new file mode 100644
> index 000000000000..c0eb3c4be16f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
> @@ -0,0 +1,93 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/pressure/honeywell,mprls0025pa.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Honeywell mpr series pressure sensor
> +
> +maintainers:
> +  - Andreas Klinger <ak@xxxxxxxxxxxxx>
> +
> +description: |
> +  Honeywell pressure sensor of model mprls0025pa.
> +
> +  This sensor has an I2C and SPI interface. Only the I2C interface is implemented.
> +
> +  There are many models with different pressure ranges available. The vendor calls them "mpr
> +  series". All of them have the identical programming model and differ in the pressure range, unit

Wrap according to Linux coding style, so at 80.

> +  and transfer function.
> +
> +  To support different models one need to specify the pressure range as well as the transfer
> +  function. Pressure range needs to be converted from its unit to pascal.
> +
> +  The transfer function defines the ranges of numerical values delivered by the sensor. The minimal
> +  range value stands for the minimum pressure and the maximum value also for the maximum pressure
> +  with linear relation inside the range.
> +
> +  Specifications about the devices can be found at:
> +    https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/siot/en-us/products/sensors/
> +      pressure-sensors/board-mount-pressure-sensors/micropressure-mpr-series/documents/
> +      sps-siot-mpr-series-datasheet-32332628-ciid-172626.pdf
> +
> +properties:
> +  compatible:
> +    const: honeywell,mprls0025pa

So this is one compatible for entire family of 96 separate devices.
Looks like reasonable compromise, although I will wait for Rob's
approval on that.

Anyway you need to fix the coding style.

Best regards,
Krzysztof




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