Re: [PATCH] dt-bindings: clock: imx5: fix example

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On Wed, Nov 11, 2020 at 10:35:48PM +0100, Marc Kleine-Budde wrote:
> Since commit:
> 
>     0e030a373df3 ("can: flexcan: fix endianess detection")
> 
> the fsl,imx53-flexcan isn't compatible with the fsl,p1010-flexcan any more. As
> the former accesses the IP core in Little Endian mode and the latter uses Big
> Endian mode.
> 
> With the conversion of the flexcan DT bindings to yaml, the dt_binding_check
> this throws the following error:
> 
> Documentation/devicetree/bindings/clock/imx5-clock.example.dt.yaml: can@53fc8000: compatible: 'oneOf' conditional failed, one must be fixed:
>         ['fsl,imx53-flexcan', 'fsl,imx25-flexcan'] is too long
>         Additional items are not allowed ('fsl,imx25-flexcan' was unexpected)
>         'fsl,imx53-flexcan' is not one of ['fsl,imx7d-flexcan', 'fsl,imx6ul-flexcan', 'fsl,imx6sx-flexcan']
>         'fsl,imx53-flexcan' is not one of ['fsl,ls1028ar1-flexcan']
>         'fsl,imx6q-flexcan' was expected
>         'fsl,lx2160ar1-flexcan' was expected
>         From schema: Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
> 
> The error is fixed by removing the "fsl,p1010-flexcan" compatible (which turned
> out the be incompatible) from the binding example.
> 
> Cc: Fabio Estevam <fabio.estevam@xxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Reported-by: Rob Herring <robh+dt@xxxxxxxxxx>
> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/clock/imx5-clock.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/imx5-clock.yaml b/Documentation/devicetree/bindings/clock/imx5-clock.yaml
> index 4d9e7c73dce9..155379c3c41e 100644
> --- a/Documentation/devicetree/bindings/clock/imx5-clock.yaml
> +++ b/Documentation/devicetree/bindings/clock/imx5-clock.yaml
> @@ -57,7 +57,7 @@ examples:
>      };
>  
>      can@53fc8000 {
> -        compatible = "fsl,imx53-flexcan", "fsl,p1010-flexcan";
> +        compatible = "fsl,imx53-flexcan";

But you just added that "fsl,imx53-flexcan" has a fallback of 
'fsl,imx25-flexcan'. 

Looks like "fsl,imx53-flexcan" alone needs to be dropped. Decide the one 
way that is valid please. I've dropped the schema change until sorted 
out.

Rob



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