linux-kernel - RE: [PATCH 00/23] Add support for Tesla Full Self-Driving (FSD) SoC

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Message-ID: <076001d80909$52d201c0$f8760540$@samsung.com>
Date:   Fri, 14 Jan 2022 11:11:02 +0530
From:   "Alim Akhtar" <alim.akhtar@...sung.com>
To:     "'Krzysztof Kozlowski'" <krzysztof.kozlowski@...onical.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Cc:     <soc@...nel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <olof@...om.net>,
        <linus.walleij@...aro.org>, <catalin.marinas@....com>,
        <robh+dt@...nel.org>, <s.nawrocki@...sung.com>,
        <linux-samsung-soc@...r.kernel.org>, <pankaj.dubey@...sung.com>,
        <arnd@...db.de>
Subject: RE: [PATCH 00/23] Add support for Tesla Full Self-Driving (FSD) SoC

Hi Krzysztof,

>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@...onical.com]
>Sent: Thursday, January 13, 2022 6:02 PM
>To: Alim Akhtar <alim.akhtar@...sung.com>; linux-arm-
>kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
>Cc: soc@...nel.org; linux-clk@...r.kernel.org; devicetree@...r.kernel.org;
>olof@...om.net; linus.walleij@...aro.org; catalin.marinas@....com;
>robh+dt@...nel.org; s.nawrocki@...sung.com; linux-samsung-
>soc@...r.kernel.org; pankaj.dubey@...sung.com
>Subject: Re: [PATCH 00/23] Add support for Tesla Full Self-Driving (FSD) SoC
>
>On 13/01/2022 13:11, Alim Akhtar wrote:
>> This patch set adds basic support for the Tesla Full Self-Driving
>> (FSD) SoC. This SoC contains three clusters of four Cortex-A72 CPUs,
>> as well as several IPs.
>>
>> Patches 1 to 8 provide support for the clock controller (which is
>> designed similarly to Exynos SoCs).
>>
>> The remaining changes provide pinmux support, initial device tree
>> support, and SPI, ADC, and MCT IP functionality.
>
>Does FSD have some version number? The FDS, especially in compatibles,
>looks quite generic, so what will happen if a newer SoC comes later? You
>would have:
> - tesla,fsd-pinctrl
> - tesla,fsd-xxxx-pinctrl (where xxxx could be some new version)
>
>This will be extra confusing, because fsd-pinctrl looks like the generic one,
>while it is specific...
>
AFAIK, there is no version for FSD SoC (like we see on Exynos or any other SoC)
In case something comes in future, may be just adopt as Olof suggested in the other thread like fsd2 etc..
>Best regards,
>Krzysztof