Re: [PATCH v3 3/4] dt-bindings: iio: accel: fxls8962af: add new compatible string

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On 13/12/2022 18:15, Han Xu wrote:
> Add new compatible string for the NXP FXLS8967AF accelerometer sensor.
> 
> Signed-off-by: Han Xu <han.xu@xxxxxxx>
> 
> ---
> changes in v3
> - Start commit message in capital
> - Describe all these chips are compatible
> ---
>  .../devicetree/bindings/iio/accel/nxp,fxls8962af.yaml         | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iio/accel/nxp,fxls8962af.yaml b/Documentation/devicetree/bindings/iio/accel/nxp,fxls8962af.yaml
> index 65ce8ea14b52..8f07ade21abb 100644
> --- a/Documentation/devicetree/bindings/iio/accel/nxp,fxls8962af.yaml
> +++ b/Documentation/devicetree/bindings/iio/accel/nxp,fxls8962af.yaml
> @@ -14,12 +14,16 @@ description: |
>    SPI and I2C interface.
>      https://www.nxp.com/docs/en/data-sheet/FXLS8962AF.pdf
>      https://www.nxp.com/docs/en/data-sheet/FXLS8964AF.pdf
> +    https://www.nxp.com/docs/en/data-sheet/FXLS8967AF.pdf
>  
>  properties:
>    compatible:
> +    description:
> +      These chips are compatible with each other, just have different IDs.

That's not what I meant.

Compatibility is expressed (check DT spec) by following specific
compatible with a more generic one (fallback), so in DTS:

	compatible = "nxp,fxls8967af", "nxp,fxls8964af";

Your driver changes partially suggested that (and driver changes should
be probably skipped in such case), but now I wonder how it is in reality....

Best regards,
Krzysztof




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