linux-kernel - Re: [PATCH v2 03/10] dt-bindings: iio: pressure: honeywell,mprls0025pa.yaml add spi bus

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Date: Mon, 25 Dec 2023 13:59:43 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Petre Rodan <petre.rodan@...dimension.ro>, linux-iio@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Andreas Klinger <ak@...klinger.de>, Jonathan Cameron <jic23@...nel.org>,
 Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH v2 03/10] dt-bindings: iio: pressure:
 honeywell,mprls0025pa.yaml add spi bus

On 24/12/2023 15:34, Petre Rodan wrote:
> Add spi based example.
> 
> Add spi-max-frequency property required by chip specifications.
> 
> Add additional maintainer.
> 
> Signed-off-by: Petre Rodan <petre.rodan@...dimension.ro>
> Signed-off-by: Andreas Klinger <ak@...klinger.de>
> ---
>  .../iio/pressure/honeywell,mprls0025pa.yaml   | 26 +++++++++++++++++--
>  1 file changed, 24 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
> index e4021306d187..430496b047c7 100644
> --- a/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
> +++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,mprls0025pa.yaml
> @@ -8,12 +8,12 @@ title: Honeywell mprls0025pa pressure sensor
> 
>  maintainers:
>    - Andreas Klinger <ak@...klinger.de>
> +  - Petre Rodan <petre.rodan@...dimension.ro>
> 
>  description: |
>    Honeywell pressure sensor of model mprls0025pa.
> 
> -  This sensor has an I2C and SPI interface. Only the I2C interface is
> -  implemented.
> +  This sensor has an I2C and SPI interface. Both are supported.

Instead drop that sentence. Current driver support should not matter for
the bindings.

> 
>    There are many models with different pressure ranges available. The vendor
>    calls them "mpr series". All of them have the identical programming model and
> @@ -88,6 +88,9 @@ properties:
>        Maximum pressure value the sensor can measure in pascal.
>        To be specified only if honeywell,pressure-triplet is not set.
> 
> +  spi-max-frequency:
> +    maximum: 800000

So you miss allOf: with $ref to spi props.

Best regards,
Krzysztof