Re: [PATCH] dt-bindings: input: touchscreen: edt-ft5x06: change reg property

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Hi Johan,

On Wed, May 20, 2020 at 09:33:27AM +0200, Johan Jonker wrote:
> A test with the command below gives this error:
> 
> arch/arm/boot/dts/rk3188-bqedison2qc.dt.yaml:
> touchscreen@3e: reg:0:0: 56 was expected
> 
> The touchscreen chip on 'rk3188-bqedison2qc' and other BQ models
> was shipped with different addresses then the binding currently allows.
> Change the reg property that any address will pass.
> 
> make ARCH=arm dtbs_check
> DT_SCHEMA_FILES=Documentation/devicetree/bindings/input/touchscreen/
> edt-ft5x06.yaml
> 
> Signed-off-by: Johan Jonker <jbx6244@xxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> index 383d64a91..baa8e8f7e 100644
> --- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> +++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.yaml
> @@ -42,7 +42,7 @@ properties:
>        - focaltech,ft6236
>  
>    reg:
> -    const: 0x38
> +    maxItems: 1

Should we have a list of valid addresses instead of allowing any
address? Controllers usually have only a couple of addresses that they
support.

Thanks.

-- 
Dmitry



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