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Message-ID: <99d1808a-da04-4bc1-a1f7-cbd269adbbf0@kernel.org>
Date:   Wed, 22 Nov 2023 12:52:49 +0100
MIME-Version: 1.0
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Subject: Re: [PATCH 2/2] dt-bindings: iio: temperature: add MLX90635 device
 bindings
To:     Crt Mori <cmo@melexis.com>, Jonathan Cameron <jic23@kernel.org>,
        Rob Herring <robh+dt@kernel.org>
Cc:     linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org
References: <cover.1700648164.git.cmo@melexis.com>
 <2e8b4a7d3ef4bc1c53bd0a849e4c31eaf2477f6b.1700648165.git.cmo@melexis.com>
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From:   Krzysztof Kozlowski <krzk@kernel.org>
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In-Reply-To: <2e8b4a7d3ef4bc1c53bd0a849e4c31eaf2477f6b.1700648165.git.cmo@melexis.com>
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On 22/11/2023 11:27, Crt Mori wrote:
> Add device tree bindings for MLX90635 Infra Red contactless temperature
> sensor.

Please use scripts/get_maintainers.pl to get a list of necessary people
and lists to CC (and consider --no-git-fallback argument). It might
happen, that command when run on an older kernel, gives you outdated
entries. Therefore please be sure you base your patches on recent Linux
kernel.

A nit, subject: drop second/last, redundant "bindings". The
"dt-bindings" prefix is already stating that these are bindings.

> 
> Signed-off-by: Crt Mori <cmo@melexis.com>
> ---
>  .../iio/temperature/melexis,mlx90635.yaml     | 60 +++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/temperature/melexis,mlx90635.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/temperature/melexis,mlx90635.yaml b/Documentation/devicetree/bindings/iio/temperature/melexis,mlx90635.yaml
> new file mode 100644
> index 000000000000..96463121a806
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/temperature/melexis,mlx90635.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/temperature/melexis,mlx90635.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Melexis MLX90635 contactless Infra Red temperature sensor
> +
> +maintainers:
> +  - Crt Mori <cmo@melexis.com>
> +
> +description: |
> +  https://www.melexis.com/en/documents/documentation/datasheets/datasheet-mlx90635
> +
> +  There are various applications for the Infra Red contactless temperature
> +  sensor and MLX90635 is most suitable for consumer applications where
> +  measured object temperature is in range between -20 to 100 degrees
> +  Celsius with relative error of measurement 2 degree Celsius in
> +  object temperature range for industrial applications, while just 0.2
> +  degree Celsius for human body measurement applications. Since it can
> +  operate and measure ambient temperature in range of -20 to 85 degrees
> +  Celsius it is suitable also for outdoor use.
> +
> +  Be aware that electronics surrounding the sensor can increase ambient
> +  temperature. MLX90635 can be calibrated to reduce the housing effect via
> +  already existing EEPROM parameters.
> +
> +  Since measured object emissivity effects Infra Red energy emitted,
> +  emissivity should be set before requesting the object temperature.
> +
> +properties:
> +  compatible:
> +    const: melexis,mlx90635

It's the same as mlx90632. Add it there (as enum).

Best regards,
Krzysztof