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

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Message-ID: <0f75a804-a0ca-e470-4a57-a5a3ad9dad11@microchip.com>
Date:   Tue, 7 Jun 2022 08:54:50 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <mkl@...gutronix.de>, <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 09:28, Marc Kleine-Budde wrote:
> 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...

Yeah, I know..

> 
>> 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?

Nope, that's all I've got...

> 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

Oh that sucks. I know we have had some website issues over the weekend
which might be the problem there. I'll try to bring it up and find out.

> 
> regards,
> Marc
>