Re: [PATCH] dt-bindings: serial: mxs: Fix compatible list

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On Thu, Sep 21, 2023 at 09:53:44AM -0300, Fabio Estevam wrote:
> Hi Conor,
> 
> On Thu, Sep 21, 2023 at 6:14 AM Conor Dooley <conor@xxxxxxxxxx> wrote:
> 
> > Dumb question maybe, but it is not mentioned here - they are actually
> > compatible devices, right? I see that they have some different match
> > data in the driver (relating to some DMA erratum on the 23 seemingly),
> > so it's not immediately obvious to me.
> 
> That's correct.
> 
> imx23 and imx28 are SoCs from the same family (mxs) and they share the
> same AUART block, so the same programming model.

Right. I wasn't sure if the erratum workaround would also work on the
28, but sounds like it does.

> imx23 is the first member of this family. It had an AUART erratum.
> imx28 is the second member of this family and had this erratum fixed.
> 
> This means that using:
> 
> compatible = "fsl,imx28-auart", "fsl,imx23-auart";
> 
> is valid.
> 
> Would you like me to improve the commit log with the information above?

Your call.
Acked-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Thanks,
Conor.

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