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SubjectRe: [PATCH 00/23] Add support for Tesla Full Self-Driving (FSD) SoC
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On 14/01/2022 06:41, Alim Akhtar wrote:
> Hi Krzysztof,
>
>> -----Original Message-----
>> From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@canonical.com]
>> Sent: Thursday, January 13, 2022 6:02 PM
>> To: Alim Akhtar <alim.akhtar@samsung.com>; linux-arm-
>> kernel@lists.infradead.org; linux-kernel@vger.kernel.org
>> Cc: soc@kernel.org; linux-clk@vger.kernel.org; devicetree@vger.kernel.org;
>> olof@lixom.net; linus.walleij@linaro.org; catalin.marinas@arm.com;
>> robh+dt@kernel.org; s.nawrocki@samsung.com; linux-samsung-
>> soc@vger.kernel.org; pankaj.dubey@samsung.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

The naming is still confusing. The SoC is FSD, compatible is "fsd" but
entire sub-architecture is also FSD called. Therefore it looks like
creating entire sub-architecture for only one SoC, which actually in
multiple pieces is or looks like Samsung Exynos (designed by Samsung,
using several blocks from Exynos SoC).

Best regards,
Krzysztof

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