linux-kernel - Re: [PATCH 2/6] dt-bindings: iio: pressure: honeywell,hsc030pa.yaml add sleep-mode

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Date: Wed, 10 Jan 2024 21:48:34 +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: 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 2/6] dt-bindings: iio: pressure: honeywell,hsc030pa.yaml
 add sleep-mode

On 10/01/2024 18:22, Petre Rodan wrote:
> Add sleep-mode property present in some custom chips.
> 
> This flag activates a special wakeup sequence prior to conversion.
> 
> Signed-off-by: Petre Rodan <petre.rodan@...dimension.ro>
> ---
>  .../bindings/iio/pressure/honeywell,hsc030pa.yaml      | 10 ++++++++++
>  1 file changed, 10 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml b/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
> index 89977b9f01cf..350da1d6991b 100644
> --- a/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
> +++ b/Documentation/devicetree/bindings/iio/pressure/honeywell,hsc030pa.yaml
> @@ -86,6 +86,15 @@ properties:
>        Maximum pressure value the sensor can measure in pascal.
>        To be specified only if honeywell,pressure-triplet is set to "NA".
> 
> +  honeywell,sleep-mode:

"Sleep mode" naming suggests there are choices, like mode foo and mode
bar. Probably you want something like "sleep-between-measurements" or
something matching how does it work.


> +    description: |

Do not need '|' unless you need to preserve formatting.

> +      'Sleep Mode' is a special factory set mode of the chip that allows the
> +      sensor to power down between measurements. It is implemented only on
> +      special request, and it is an attribute not present in the HSC/SSC series
> +      nomenclature.
> +      Set in order to enable the special wakeup sequence prior to conversion.
> +    $ref: /schemas/types.yaml#/definitions/flag
> +
>    vdd-supply:
>      description:
>        Provide VDD power to the sensor (either 3.3V or 5V depending on the chip)
> @@ -140,6 +149,7 @@ examples:
>              honeywell,pressure-triplet = "NA";
>              honeywell,pmin-pascal = <0>;
>              honeywell,pmax-pascal = <200000>;
> +            //honeywell,sleep-mode;

Drop comment.

> 2.41.0
> 

Best regards,
Krzysztof