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

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Message-ID: <51e8e297-0171-0c3f-ba86-e61add04830e@microchip.com>
Date:   Tue, 7 Jun 2022 07:52:30 +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 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.
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,
Conor.