Re: [PATCH] dt-bindings: iio: afe: voltage-divider: Add io-channel-cells

[Conor Dooley]

Hey,

On Fri, Jan 26, 2024 at 05:25:08PM +0530, Naresh Solanki wrote:
> Add #io-channel-cells expected by driver. i.e., below is the message
> seen in kernel log:
> OF: /iio-hwmon: could not get #io-channel-cells for /voltage_divider1
> 

> TEST=Run below command & make sure there is no error:
> make DT_CHECKER_FLAGS=-m dt_binding_check -j1

This shouldn't be in the commit message.

> 
> Signed-off-by: Naresh Solanki <naresh.solanki@xxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml b/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml
> index dddf97b50549..b4b5489ad98e 100644
> --- a/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml
> +++ b/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml
> @@ -39,6 +39,9 @@ properties:
>      description: |
>        Channel node of a voltage io-channel.
>  
> +  '#io-channel-cells':
> +    const: 1

The example in this binding looks like the voltage-divider is intended
to be an "IIO consumer" but "#io-channels-cells" is an "IIO provider"
property.

Are you sure this is correct?

> +
>    output-ohms:
>      description:
>        Resistance Rout over which the output voltage is measured. See full-ohms.
> 
> base-commit: ecb1b8288dc7ccbdcb3b9df005fa1c0e0c0388a7
> -- 
> 2.42.0
>

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