Re: [PATCH v2 1/2] dt-bindings: input: Add bindings for Azoteq IQS7210A/7211A/E

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On Mon, May 29, 2023 at 07:33:47PM -0500, Jeff LaBundy wrote:
> Add bindings for the Azoteq IQS7210A/7211A/E family of trackpad/
> touchscreen controllers.
> 
> Signed-off-by: Jeff LaBundy <jeff@xxxxxxxxxxx>
> ---
> Changes in v2:
>  - Renamed 'azoteq,default-comms' to 'azoteq,forced-comms-default' and redefined
>    0, 1 and 2 as unspecified, 0 and 1, respectively
>  - Defined ATI upon its first occurrence
>  - Redefined 'azoteq,gesture-angle' in units of degrees
>  - Declared 'azoteq,rx-enable' to depend upon 'azoteq,tx-enable' within the
>    'trackpad' node
> 
> Hi Rob,
> 
> I attempted to reference existing properties from a common binding [1] as per
> your feedback in [2], however 'make DT_CHECKER_FLAGS=-m dt_binding_check' fails
> with the message 'Vendor specific properties must have a type and description
> unless they have a defined, common suffix.'

Is that because you have differing constraints in each case?

> This seems related to the discussion in [3], where you warned that the tooling
> cannot yet deduce that vendor-specific properties have already been typed in an
> externally $ref'd binding. The only other example of a common vendor schema is
> [4], but in that case the common properties are defined under arbitraily named
> pinmux config nodes. As such, they are part of 'additionalProperties' instead of
> 'properties' and hence exempt from this particular validation.
> 
> Please let me know if I am mistaken (surprise!), in which case I will continue
> on this path and send a v3. Otherwise, I would like to suggest that the review
> moves forward under the premise that I will happily consolidate these bindings
> once the tooling supports this idea.
> 
> Kind regards,
> Jeff LaBundy



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