linux-kernel - RE: [PATCH v5 00/16] Add support for Tesla Full Self-Driving (FSD) SoC

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Date:   Wed, 26 Jan 2022 22:17:02 +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>, <arnd@...db.de>,
        <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>,
        <sboyd@...nel.org>
Subject: RE: [PATCH v5 00/16] Add support for Tesla Full Self-Driving (FSD)
 SoC



>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@...onical.com]
>Sent: Wednesday, January 26, 2022 2:50 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; arnd@...db.de; 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;
>sboyd@...nel.org
>Subject: Re: [PATCH v5 00/16] Add support for Tesla Full Self-Driving (FSD) SoC
>
>On 26/01/2022 07:50, Alim Akhtar wrote:
>> Hi Krzysztof
>>
>>> -----Original Message-----
>>> From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@...onical.com]
>>> Sent: Tuesday, January 25, 2022 10:56 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; arnd@...db.de;
>>> 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;
>>> sboyd@...nel.org
>>> Subject: Re: [PATCH v5 00/16] Add support for Tesla Full Self-Driving
>>> (FSD) SoC
>>>
>>> On 25/01/2022 18:12, Krzysztof Kozlowski wrote:
>>>> On 24/01/2022 15:16, Alim Akhtar wrote:
>>>>> 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 9 provide support for the clock controller (which is
>>>>> designed similarly to Exynos SoCs).
>>>>>
>>>>> The remaining changes provide pinmux support, initial device tree
>support.
>>>>>
>>>>> - Changes since v4
>>>>> * fixed 'make dtbs_check' warnings on patch 14/16
>>>>>
>>>>> - Changes since v3
>>>>> * Addressed Stefen's review comments on patch 14/16
>>>>> * Fixed kernel test robot warning on patch 04/16
>>>>> * rebsaed this series on Krzysztof's pinmux new binding schema work
>>>>> [1]
>>>>>
>>>>> - Changes since v2
>>>>> * Addressed Krzysztof's and Stephen's review comments
>>>>> * Added Reviewed-by and Acked-by tags
>>>>> * Rebased on next-20220120
>>>>>
>>>>> - Changes since v1
>>>>> * fixed make dt_binding_check error as pointed by Rob
>>>>> * Addressed Krzysztof's and Rob's review comments
>>>>> * Added Reviewed-by and Acked-by tags
>>>>> * Dropped SPI, MCT and ADC from this series (to be posted in small
>>>>> sets)
>>>>>
>>>>> NOTE: These patches are based on Krzysztof's pinmux for-next branch
>>>>> commit 832ae134ccc1 ("pinctrl: samsung: add support for Exynos850
>>>>> and
>>>>> ExynosAutov9 wake-ups") [1]
>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung.git
>>>>> /l
>>>>> og/?h=for-next
>>>>>
>>>>>
>>>>
>>>> Thanks, applied DTS/soc and pinctrl patches.
>>>>
>>>> I expect Sylwester will pick up the clock ones. Otherwise please let
>>>> me know to pick it up as well.
>>>
>>> I forgot that clock macros are used in DTS. This does not compile and
>>> I cannot take drivers into DTS branch.
>>>
>>> Alim,
>>> DTS changes dropped. Please resend with the same trick we did for
>>> Exynos850 board - hard-coded clock IDs as defines. See:
>>>
>>> https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git/diff/a
>>> rch/arm6
>>> 4/boot/dts/exynos/exynos850.dtsi?h=samsung-dt64-5.17-
>>> 2&id=e3493220fd3e474abcdcefbe14fb60485097ce06
>>>
>> Ok, I will resend patch 14 and 15 (DTS changes) only as suggested above.
>
>I see Sylwester acked clock patches, so I will take them. No need to resend, I'll
>organize the patches so they will compile.
>
Awesome, thanks Krzysztof and Sylwester

>
>Best regards,
>Krzysztof