netdev - Re: [PATCH net-next 0/2] Document PolarFire SoC can controller

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Date:   Tue, 7 Jun 2022 10:28:27 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Conor.Dooley@...rochip.com
Cc:     wg@...ndegger.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, palmer@...belt.com,
        paul.walmsley@...ive.com, aou@...s.berkeley.edu,
        Daire.McNamara@...rochip.com, linux-can@...r.kernel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH net-next 0/2] Document PolarFire SoC can controller

On 07.06.2022 07:52:30, Conor.Dooley@...rochip.com wrote:
> On 07/06/2022 08:15, Marc Kleine-Budde wrote:
> > On 07.06.2022 07:54:58, Conor Dooley wrote:
> >> When adding the dts for PolarFire SoC, the can controllers were
> >                                             ^^^
> >> omitted, so here they are...
> > 
> > Nitpick:
> > Consider writing "CAN" in capital letters to avoid confusion for the not
> > informed reader.
> 
> Yeah, sure. I'll try to get over my fear of capital letters ;)

:)

> > Is the documentation for the CAN controller openly available? Is there a
> > driver somewhere?
> 
> There is a driver /but/ for now only a UIO one so I didn't send it.

Brrrrr...

> There's an online doc & if the horrible link doesn't drop you there
> directly, its section 6.12.3:
> https://onlinedocs.microchip.com/pr/GUID-0E320577-28E6-4365-9BB8-9E1416A0A6E4-en-US-3/index.html?GUID-A362DC3C-83B7-4441-BECB-B19F9AD48B66
> 
> And a PDF direct download here, see section 4.12.3 (page 72):
> https://www.microsemi.com/document-portal/doc_download/1245725-polarfire-soc-fpga-mss-technical-reference-manual

Thanks. The documentation is quite sparse, is there a more detailed one?
The register map cannot be downloaded directly anymore. For reference:

http://web.archive.org/web/20220403030214/https://www.microsemi.com/document-portal/doc_download/1244581-polarfire-soc-register-map

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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