From: Sam Protsenko <semen.protsenko@linaro.org> To: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, Linus Walleij <linus.walleij@linaro.org>, Tomasz Figa <tomasz.figa@gmail.com>, Rob Herring <robh+dt@kernel.org>, Stephen Boyd <sboyd@kernel.org>, Michael Turquette <mturquette@baylibre.com>, Jiri Slaby <jirislaby@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Charles Keepax <ckeepax@opensource.wolfsonmicro.com>, Ryu Euiyoul <ryu.real@samsung.com>, Tom Gall <tom.gall@linaro.org>, Sumit Semwal <sumit.semwal@linaro.org>, John Stultz <john.stultz@linaro.org>, Amit Pundir <amit.pundir@linaro.org>, devicetree <devicetree@vger.kernel.org>, linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>, linux-clk <linux-clk@vger.kernel.org>, "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Linux Samsung SOC <linux-samsung-soc@vger.kernel.org>, "open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org> Subject: Re: [PATCH 00/12] Add minimal support for Exynos850 SoC Date: Fri, 30 Jul 2021 22:02:12 +0300 [thread overview] Message-ID: <CAPLW+4kbnJEBkc0D=RWt59JxBan8X1uDy6sSXBiYAq8N9FDV6A@mail.gmail.com> (raw) In-Reply-To: <c3486111-0ec9-9679-d2a2-68b2f33a2450@canonical.com> Hi Krzysztof, On Fri, 30 Jul 2021 at 20:21, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> wrote: > > On 30/07/2021 17:18, Krzysztof Kozlowski wrote: > > On 30/07/2021 16:49, Sam Protsenko wrote: > >> This patch series adds initial platform support for Samsung Exynos850 > >> SoC [1]. With this patchset it's possible to run the kernel with BusyBox > >> rootfs as a RAM disk. More advanced platform support (like MMC driver > >> additions) will be added later. The idea is to keep the first submission > >> minimal to ease the review, and then build up on top of that. > >> > >> [1] https://www.samsung.com/semiconductor/minisite/exynos/products/mobileprocessor/exynos-850/ > >> > > > > Great work! > > Thanks, Krzysztof! And thank you for reviewing the whole series. > > What's the SoC revision number (should be accessible via > > /sys/bus/soc/devices/soc0/)? Recent wrap in numbering of Exynos chips > > might bring confusion... # cat /sys/devices/soc0/revision 0 > > Judging by vendor's sources it is quite confusing. It looks mostly like > Exynos3830 but in few other cases it uses Exynos9 compatibles (Exynos9, > Exynos9820). Only in few places there is Exynos850. Marketing department > made it so confusing... The revision embedded in SoC would be very > interesting. > As I understand, this SoC is called Exynos850 everywhere now. Exynos3830 is its old name, not used anymore. As you noticed from patch #2, it shares some definitions with Exynos9 SoC, so I guess some software is similar for both architectures. Not sure about hardware though, never worked with Exynos9 CPUs. Anyway, I asked Samsung representatives about naming, and it seems like we should stick to "Exynos850" name, even in code. > Anyway, judging by current versioning, there is a risk Samsung will come > with a new chipset name conflicting with existing ones. It already > overflowed. > > It's even worse with a thingy called "Exynos9 auto" which hides > numbering even more. > > > Best regards, > Krzysztof
WARNING: multiple messages have this Message-ID (diff)
From: Sam Protsenko <semen.protsenko@linaro.org> To: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, Linus Walleij <linus.walleij@linaro.org>, Tomasz Figa <tomasz.figa@gmail.com>, Rob Herring <robh+dt@kernel.org>, Stephen Boyd <sboyd@kernel.org>, Michael Turquette <mturquette@baylibre.com>, Jiri Slaby <jirislaby@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Charles Keepax <ckeepax@opensource.wolfsonmicro.com>, Ryu Euiyoul <ryu.real@samsung.com>, Tom Gall <tom.gall@linaro.org>, Sumit Semwal <sumit.semwal@linaro.org>, John Stultz <john.stultz@linaro.org>, Amit Pundir <amit.pundir@linaro.org>, devicetree <devicetree@vger.kernel.org>, linux-arm Mailing List <linux-arm-kernel@lists.infradead.org>, linux-clk <linux-clk@vger.kernel.org>, "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Linux Samsung SOC <linux-samsung-soc@vger.kernel.org>, "open list:SERIAL DRIVERS" <linux-serial@vger.kernel.org> Subject: Re: [PATCH 00/12] Add minimal support for Exynos850 SoC Date: Fri, 30 Jul 2021 22:02:12 +0300 [thread overview] Message-ID: <CAPLW+4kbnJEBkc0D=RWt59JxBan8X1uDy6sSXBiYAq8N9FDV6A@mail.gmail.com> (raw) In-Reply-To: <c3486111-0ec9-9679-d2a2-68b2f33a2450@canonical.com> Hi Krzysztof, On Fri, 30 Jul 2021 at 20:21, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> wrote: > > On 30/07/2021 17:18, Krzysztof Kozlowski wrote: > > On 30/07/2021 16:49, Sam Protsenko wrote: > >> This patch series adds initial platform support for Samsung Exynos850 > >> SoC [1]. With this patchset it's possible to run the kernel with BusyBox > >> rootfs as a RAM disk. More advanced platform support (like MMC driver > >> additions) will be added later. The idea is to keep the first submission > >> minimal to ease the review, and then build up on top of that. > >> > >> [1] https://www.samsung.com/semiconductor/minisite/exynos/products/mobileprocessor/exynos-850/ > >> > > > > Great work! > > Thanks, Krzysztof! And thank you for reviewing the whole series. > > What's the SoC revision number (should be accessible via > > /sys/bus/soc/devices/soc0/)? Recent wrap in numbering of Exynos chips > > might bring confusion... # cat /sys/devices/soc0/revision 0 > > Judging by vendor's sources it is quite confusing. It looks mostly like > Exynos3830 but in few other cases it uses Exynos9 compatibles (Exynos9, > Exynos9820). Only in few places there is Exynos850. Marketing department > made it so confusing... The revision embedded in SoC would be very > interesting. > As I understand, this SoC is called Exynos850 everywhere now. Exynos3830 is its old name, not used anymore. As you noticed from patch #2, it shares some definitions with Exynos9 SoC, so I guess some software is similar for both architectures. Not sure about hardware though, never worked with Exynos9 CPUs. Anyway, I asked Samsung representatives about naming, and it seems like we should stick to "Exynos850" name, even in code. > Anyway, judging by current versioning, there is a risk Samsung will come > with a new chipset name conflicting with existing ones. It already > overflowed. > > It's even worse with a thingy called "Exynos9 auto" which hides > numbering even more. > > > Best regards, > Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-07-30 19:02 UTC|newest] Thread overview: 134+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-30 14:49 [PATCH 00/12] Add minimal support for Exynos850 SoC Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 14:49 ` [PATCH 01/12] pinctrl: samsung: Fix pinctrl bank pin count Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 14:49 ` [PATCH 02/12] pinctrl: samsung: Add Exynos850 SoC specific data Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 15:22 ` Krzysztof Kozlowski 2021-07-30 15:22 ` Krzysztof Kozlowski 2021-08-02 19:24 ` Sam Protsenko 2021-08-02 19:24 ` Sam Protsenko 2021-07-30 14:49 ` [PATCH 03/12] dt-bindings: pinctrl: samsung: Add Exynos850 doc Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 15:24 ` Krzysztof Kozlowski 2021-07-30 15:24 ` Krzysztof Kozlowski 2021-07-30 19:31 ` Sam Protsenko 2021-07-30 19:31 ` Sam Protsenko 2021-07-30 14:49 ` [PATCH 04/12] tty: serial: samsung: Init USI to keep clocks running Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 16:31 ` Krzysztof Kozlowski 2021-07-30 16:31 ` Krzysztof Kozlowski 2021-08-02 23:06 ` Sam Protsenko 2021-08-02 23:06 ` Sam Protsenko 2021-08-03 7:37 ` Krzysztof Kozlowski 2021-08-03 7:37 ` Krzysztof Kozlowski 2021-08-03 11:41 ` Sam Protsenko 2021-08-03 11:41 ` Sam Protsenko 2021-07-30 14:49 ` [PATCH 05/12] tty: serial: samsung: Fix driver data macros style Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 16:34 ` Krzysztof Kozlowski 2021-07-30 16:34 ` Krzysztof Kozlowski 2021-07-30 14:49 ` [PATCH 06/12] tty: serial: samsung: Add Exynos850 SoC data Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 15:05 ` Andy Shevchenko 2021-07-30 15:05 ` Andy Shevchenko 2021-07-30 16:05 ` Krzysztof Kozlowski 2021-07-30 16:05 ` Krzysztof Kozlowski 2021-07-30 23:10 ` Sam Protsenko 2021-07-30 23:10 ` Sam Protsenko 2021-07-31 7:12 ` Krzysztof Kozlowski 2021-07-31 7:12 ` Krzysztof Kozlowski 2021-07-30 14:49 ` [PATCH 07/12] dt-bindings: serial: samsung: Add Exynos850 doc Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 16:35 ` Krzysztof Kozlowski 2021-07-30 16:35 ` Krzysztof Kozlowski 2021-07-30 19:04 ` Sam Protsenko 2021-07-30 19:04 ` Sam Protsenko 2021-07-30 14:49 ` [PATCH 08/12] MAINTAINERS: Cover Samsung clock YAML bindings Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 15:06 ` Andy Shevchenko 2021-07-30 15:06 ` Andy Shevchenko 2021-07-30 15:25 ` Krzysztof Kozlowski 2021-07-30 15:25 ` Krzysztof Kozlowski 2021-07-30 17:32 ` Sam Protsenko 2021-07-30 17:32 ` Sam Protsenko 2021-07-30 14:49 ` [PATCH 09/12] dt-bindings: clock: Add bindings for Exynos850 clock controller Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 15:43 ` Krzysztof Kozlowski 2021-07-30 15:43 ` Krzysztof Kozlowski 2021-08-03 11:55 ` Sam Protsenko 2021-08-03 11:55 ` Sam Protsenko 2021-07-30 22:28 ` Rob Herring 2021-07-30 22:28 ` Rob Herring 2021-07-30 14:49 ` [PATCH 10/12] clk: samsung: Add Exynos850 clock driver stub Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 15:11 ` Andy Shevchenko 2021-07-30 15:11 ` Andy Shevchenko 2021-07-30 17:24 ` Sam Protsenko 2021-07-30 17:24 ` Sam Protsenko 2021-07-31 5:28 ` kernel test robot 2021-07-31 10:57 ` kernel test robot 2021-07-30 14:49 ` [PATCH 11/12] dt-bindings: interrupt-controller: Add IRQ constants for Exynos850 Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-31 8:45 ` Krzysztof Kozlowski 2021-07-31 8:45 ` Krzysztof Kozlowski 2021-08-03 12:58 ` Sam Protsenko 2021-08-03 12:58 ` Sam Protsenko 2021-07-30 14:49 ` [PATCH 12/12] arm64: dts: exynos: Add Exynos850 SoC support Sam Protsenko 2021-07-30 14:49 ` Sam Protsenko 2021-07-30 16:50 ` Marc Zyngier 2021-07-30 16:50 ` Marc Zyngier 2021-08-04 14:39 ` Sam Protsenko 2021-08-04 14:39 ` Sam Protsenko 2021-08-04 15:01 ` Marc Zyngier 2021-08-04 15:01 ` Marc Zyngier 2021-08-04 18:37 ` Sam Protsenko 2021-08-04 18:37 ` Sam Protsenko 2021-08-05 7:39 ` Marc Zyngier 2021-08-05 7:39 ` Marc Zyngier 2021-08-05 15:30 ` Sam Protsenko 2021-08-05 15:30 ` Sam Protsenko 2021-08-05 15:50 ` Marc Zyngier 2021-08-05 15:50 ` Marc Zyngier 2021-08-04 18:36 ` Krzysztof Kozlowski 2021-08-04 18:36 ` Krzysztof Kozlowski 2021-08-04 21:30 ` Sam Protsenko 2021-08-04 21:30 ` Sam Protsenko 2021-08-05 7:17 ` Krzysztof Kozlowski 2021-08-05 7:17 ` Krzysztof Kozlowski 2021-08-05 7:30 ` Marc Zyngier 2021-08-05 7:30 ` Marc Zyngier 2021-08-05 7:35 ` Krzysztof Kozlowski 2021-08-05 7:35 ` Krzysztof Kozlowski 2021-07-31 9:03 ` Krzysztof Kozlowski 2021-07-31 9:03 ` Krzysztof Kozlowski 2021-08-05 23:06 ` Sam Protsenko 2021-08-05 23:06 ` Sam Protsenko 2021-08-06 7:48 ` Krzysztof Kozlowski 2021-08-06 7:48 ` Krzysztof Kozlowski 2021-08-06 12:07 ` Sam Protsenko 2021-08-06 12:07 ` Sam Protsenko 2021-08-06 12:32 ` Krzysztof Kozlowski 2021-08-06 12:32 ` Krzysztof Kozlowski 2021-08-06 12:48 ` Krzysztof Kozlowski 2021-08-06 12:48 ` Krzysztof Kozlowski 2021-08-06 16:57 ` Sam Protsenko 2021-08-06 16:57 ` Sam Protsenko 2021-08-06 20:32 ` Paweł Chmiel 2021-08-06 20:32 ` Paweł Chmiel 2021-09-06 15:16 ` Sam Protsenko 2021-09-06 15:16 ` Sam Protsenko 2021-07-30 15:18 ` [PATCH 00/12] Add minimal support for Exynos850 SoC Krzysztof Kozlowski 2021-07-30 15:18 ` Krzysztof Kozlowski 2021-07-30 17:21 ` Krzysztof Kozlowski 2021-07-30 17:21 ` Krzysztof Kozlowski 2021-07-30 19:02 ` Sam Protsenko [this message] 2021-07-30 19:02 ` Sam Protsenko 2021-07-31 7:29 ` Krzysztof Kozlowski 2021-07-31 7:29 ` Krzysztof Kozlowski 2021-07-31 8:12 ` Krzysztof Kozlowski 2021-07-31 8:12 ` Krzysztof Kozlowski 2021-08-02 23:27 ` Sam Protsenko 2021-08-02 23:27 ` Sam Protsenko 2021-08-03 7:41 ` Krzysztof Kozlowski 2021-08-03 7:41 ` Krzysztof Kozlowski
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