RE: [PATCH 20/20] can: flexcan: add lx2160ar1 support

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> -----Original Message-----
> From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> Sent: 2020年9月23日 16:11
> To: Michael Walle <michael@xxxxxxxx>
> Cc: Joakim Zhang <qiangqing.zhang@xxxxxxx>; kernel@xxxxxxxxxxxxxx;
> linux-can@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH 20/20] can: flexcan: add lx2160ar1 support
> 
> On 9/23/20 10:02 AM, Michael Walle wrote:
> [...]
> 
> >> The compatible of your can device matches the one listed in the
> >> driver. So there's no need for the "fsl,ls1028ar1-flexcan"
> >> in the driver.
> >>
> >> If it turns out, that the "fsl,ls1028ar1-flexcan" needs different
> >> handling than the "fsl,lx2160ar1-flexcan", we would add it with
> >> different quirks to the driver.
> >
> > That was what I was asking. Ie. if Joakim already knows any and if it
> > makes sense to have some added right now.
> 
> ACK, I don't know of any difference.
> 
> > And maybe you/he want to see the LS1028A added to the table in the
> > header of the file. I've had a look at the vendor manual but couldn't
> > even find the IP version. Seems to me that only Joakim is able to fill
> > out that row ;)
> 
> Right, the more IP cores in the table are appreciated. I don't think the IP core
> version used in the SoCs is available to the public. Joakim, feel free to add a line
> for the ls1028ar1 and the imx8mp.

Hi Marc, Michael,

I check locally, for LS1028A, it also uses the "fsl,lx2160ar1-flexcan" compatible string, so I think LS1028A should reuse IP core from LX2160A.

I am more familiar to i.MX, I will add a compatible string for i.MX8MP, since it configures ECC, extra patches are needed.
After this patch set is merged into mainline, I will send out related patches to community.

Best Regards,
Joakim Zhang
> regards,
> Marc
> 
> --
> Pengutronix e.K.                 | Marc Kleine-Budde           |
> Embedded Linux                   | https://www.pengutronix.de  |
> Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
> Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |





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