RE: [PATCH v2 04/16] clk: samsung: fsd: Add initial clock support

From: Alim Akhtar
Date: Wed Jan 19 2022 - 09:20:58 EST




>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@xxxxxxxxxxxxx]
>Sent: Wednesday, January 19, 2022 12:01 AM
>To: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>; linux-arm-
>kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
>Cc: soc@xxxxxxxxxx; linux-clk@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
>olof@xxxxxxxxx; arnd@xxxxxxxx; linus.walleij@xxxxxxxxxx;
>catalin.marinas@xxxxxxx; robh+dt@xxxxxxxxxx; s.nawrocki@xxxxxxxxxxx;
>linux-samsung-soc@xxxxxxxxxxxxxxx; pankaj.dubey@xxxxxxxxxxx; linux-
>fsd@xxxxxxxxx; Jayati Sahu <jayati.sahu@xxxxxxxxxxx>; Ajay Kumar
><ajaykumar.rs@xxxxxxxxxxx>
>Subject: Re: [PATCH v2 04/16] clk: samsung: fsd: Add initial clock support
>
>On 18/01/2022 15:48, Alim Akhtar wrote:
>> Add initial clock support for FSD (Full Self-Driving) SoC which is
>> required to bring-up platforms based on this SoC.
>>
>> Cc: linux-fsd@xxxxxxxxx
>> Signed-off-by: Jayati Sahu <jayati.sahu@xxxxxxxxxxx>
>> Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
>> Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
>> Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
>> ---
>> drivers/clk/samsung/Kconfig | 7 +
>> drivers/clk/samsung/Makefile | 1 +
>> drivers/clk/samsung/clk-fsd.c | 308
>++++++++++++++++++++++++++++++++++
>> drivers/clk/samsung/clk-pll.c | 1 +
>> drivers/clk/samsung/clk-pll.h | 1 +
>> 5 files changed, 318 insertions(+)
>> create mode 100644 drivers/clk/samsung/clk-fsd.c
>>
>> diff --git a/drivers/clk/samsung/Kconfig b/drivers/clk/samsung/Kconfig
>> index 0e18d6ff2916..11587eb87fc4 100644
>> --- a/drivers/clk/samsung/Kconfig
>> +++ b/drivers/clk/samsung/Kconfig
>> @@ -124,3 +124,10 @@ config S3C2443_COMMON_CLK
>> help
>> Support for the clock controller present on the Samsung
>> S3C2416/S3C2443 SoCs. Choose Y here only if you build for this SoC.
>> +
>> +config TESLA_FSD_COMMON_CLK
>> + bool "Tesla FSD clock controller support" if COMPILE_TEST
>> + depends on COMMON_CLK_SAMSUNG
>> + help
>> + Support for the clock controller present on the Tesla FSD SoC.
>> + Choose Y here only if you build for this SoC.
>
>The clock drivers Kconfig is organized in a way, that platform should select only
>COMMON_CLK_SAMSUNG (first comment in a file), so let's keep it consistent
>also for FSD. "select TESLA_FSD_COMMON_CLK if ARM64 &&
>ARCH_TESLA_FSD" and skip the select in Kconfig.platform in following patch.
>
Thanks Krzysztof for a quick review.
Will incorporate above in the next set.

>
>Best regards,
>Krzysztof