Re: [PATCH 1/1] dt-bindings: input: touchscreen: edt-ft5x06: add edt,edt-ft5x06 for legacy platforms

[Krzysztof Kozlowski]

On Thu, Mar 05, 2026 at 05:37:29PM -0500, Frank Li wrote:
> The compatible string "edt,edt-ft5x06" has been used for more than a decade
> on older platforms such as i.MX6 and OMAP. However, it is currently missing
> from the binding documentation.
> 
> Add it to the binding to document existing usage and fix the following
> CHECK_DTBS warnings.
>   arch/arm/boot/dts/nxp/imx/imx6dl-nit6xlite.dtb: /soc/bus@2100000/i2c@21a8000/touchscreen@38: failed to match any schema with compatible: ['edt,edt-ft5x06'
> 
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
>  .../devicetree/bindings/input/touchscreen/edt-ft5x06.yaml        | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> index 6f90522de8c0a..213451f823369 100644
> --- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> +++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> @@ -38,6 +38,7 @@ properties:
>        - edt,edt-ft5306
>        - edt,edt-ft5406
>        - edt,edt-ft5506
> +      - edt,edt-ft5x06 # Deprecated, not use for new platform.

Then document it as deprecated one.

OTOH, this above is clearly not correct because we also have
"edt,edt-ft5506", "edt,edt-ft5x06". Just use git grep.

I don't understand, though, what is the point of documenting it if there
is no ABI implemented (nothing in the driver) and it cannot work.

Best regards,
Krzysztof