From: Romain Perier <romain.perier@gmail.com> To: Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, linux-clk@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Daniel Palmer <daniel@0x0f.com>, Romain Perier <romain.perier@gmail.com>, Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/9] ARM: mstar: cpupll Date: Fri, 21 Jan 2022 20:35:35 +0100 [thread overview] Message-ID: <20220121193544.23231-1-romain.perier@gmail.com> (raw) This series adds a basic driver for the PLL that generates the cpu clock on MStar/SigmaStar ARMv7 SoCs. Unfortunately there isn't much documentation for this thing so there are few magic values and guesses. This needs to come after the MPLL DT changes. Changes since v2: - Re-ordered Kconfig by name - Re-ordered includes alphabetically and removed useless ones - Used timeout for cpu_relax - Returned DIV_ROUND_DOWN_ULL() directly in msc313_cpupll_frequencyforreg() - Returned DIV_ROUND_DOWN_ULL() directly in msc313_cpupll_regforfrequecy() - Reduced the number of lines for msc313_cpupll_of_match - Removed CLK_IS_CRITICAL Changes since v1: - Re-worked the series and ensure that 'make dt_binding_check' passes. The required commit is merged now, so it is okay. - Fixed coding style issues in the driver and makes check_patch.pl happy - Added one more commit for extending the opp_table for infinity2m. Daniel Palmer (8): dt-bindings: clk: mstar msc313 cpupll binding description clk: mstar: msc313 cpupll clk driver ARM: mstar: Add cpupll to base dtsi ARM: mstar: Link cpupll to cpu ARM: mstar: Link cpupll to second core ARM: mstar: Add OPP table for infinity ARM: mstar: Add OPP table for infinity3 ARM: mstar: Add OPP table for mercury5 Romain Perier (1): ARM: mstar: Extend opp_table for infinity2m .../bindings/clock/mstar,msc313-cpupll.yaml | 45 ++++ arch/arm/boot/dts/mstar-infinity.dtsi | 34 +++ arch/arm/boot/dts/mstar-infinity2m.dtsi | 17 ++ arch/arm/boot/dts/mstar-infinity3.dtsi | 58 +++++ arch/arm/boot/dts/mstar-mercury5.dtsi | 36 +++ arch/arm/boot/dts/mstar-v7.dtsi | 9 + drivers/clk/mstar/Kconfig | 8 + drivers/clk/mstar/Makefile | 2 +- drivers/clk/mstar/clk-msc313-cpupll.c | 221 ++++++++++++++++++ 9 files changed, 429 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/clock/mstar,msc313-cpupll.yaml create mode 100644 drivers/clk/mstar/clk-msc313-cpupll.c -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Romain Perier <romain.perier@gmail.com> To: Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, linux-clk@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Daniel Palmer <daniel@0x0f.com>, Romain Perier <romain.perier@gmail.com>, Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/9] ARM: mstar: cpupll Date: Fri, 21 Jan 2022 20:35:35 +0100 [thread overview] Message-ID: <20220121193544.23231-1-romain.perier@gmail.com> (raw) This series adds a basic driver for the PLL that generates the cpu clock on MStar/SigmaStar ARMv7 SoCs. Unfortunately there isn't much documentation for this thing so there are few magic values and guesses. This needs to come after the MPLL DT changes. Changes since v2: - Re-ordered Kconfig by name - Re-ordered includes alphabetically and removed useless ones - Used timeout for cpu_relax - Returned DIV_ROUND_DOWN_ULL() directly in msc313_cpupll_frequencyforreg() - Returned DIV_ROUND_DOWN_ULL() directly in msc313_cpupll_regforfrequecy() - Reduced the number of lines for msc313_cpupll_of_match - Removed CLK_IS_CRITICAL Changes since v1: - Re-worked the series and ensure that 'make dt_binding_check' passes. The required commit is merged now, so it is okay. - Fixed coding style issues in the driver and makes check_patch.pl happy - Added one more commit for extending the opp_table for infinity2m. Daniel Palmer (8): dt-bindings: clk: mstar msc313 cpupll binding description clk: mstar: msc313 cpupll clk driver ARM: mstar: Add cpupll to base dtsi ARM: mstar: Link cpupll to cpu ARM: mstar: Link cpupll to second core ARM: mstar: Add OPP table for infinity ARM: mstar: Add OPP table for infinity3 ARM: mstar: Add OPP table for mercury5 Romain Perier (1): ARM: mstar: Extend opp_table for infinity2m .../bindings/clock/mstar,msc313-cpupll.yaml | 45 ++++ arch/arm/boot/dts/mstar-infinity.dtsi | 34 +++ arch/arm/boot/dts/mstar-infinity2m.dtsi | 17 ++ arch/arm/boot/dts/mstar-infinity3.dtsi | 58 +++++ arch/arm/boot/dts/mstar-mercury5.dtsi | 36 +++ arch/arm/boot/dts/mstar-v7.dtsi | 9 + drivers/clk/mstar/Kconfig | 8 + drivers/clk/mstar/Makefile | 2 +- drivers/clk/mstar/clk-msc313-cpupll.c | 221 ++++++++++++++++++ 9 files changed, 429 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/clock/mstar,msc313-cpupll.yaml create mode 100644 drivers/clk/mstar/clk-msc313-cpupll.c -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2022-01-21 19:35 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-21 19:35 Romain Perier [this message] 2022-01-21 19:35 ` [PATCH v3 0/9] ARM: mstar: cpupll Romain Perier 2022-01-21 19:35 ` [PATCH v3 1/9] dt-bindings: clk: mstar msc313 cpupll binding description Romain Perier 2022-01-21 19:35 ` Romain Perier 2022-01-21 19:35 ` [PATCH v3 2/9] clk: mstar: msc313 cpupll clk driver Romain Perier 2022-01-21 19:35 ` Romain Perier 2022-01-21 19:35 ` [PATCH v3 3/9] ARM: mstar: Add cpupll to base dtsi Romain Perier 2022-01-21 19:35 ` Romain Perier 2022-01-23 5:10 ` Daniel Palmer 2022-01-23 5:10 ` Daniel Palmer 2022-01-21 19:35 ` [PATCH v3 4/9] ARM: mstar: Link cpupll to cpu Romain Perier 2022-01-21 19:35 ` Romain Perier 2022-01-21 19:35 ` [PATCH v3 5/9] ARM: mstar: Link cpupll to second core Romain Perier 2022-01-21 19:35 ` Romain Perier 2022-01-21 19:35 ` [PATCH v3 6/9] ARM: mstar: Add OPP table for infinity Romain Perier 2022-01-21 19:35 ` Romain Perier 2022-01-21 19:35 ` [PATCH v3 7/9] ARM: mstar: Add OPP table for infinity3 Romain Perier 2022-01-21 19:35 ` Romain Perier 2022-01-21 19:35 ` [PATCH v3 8/9] ARM: mstar: Add OPP table for mercury5 Romain Perier 2022-01-21 19:35 ` Romain Perier 2022-01-23 5:12 ` Daniel Palmer 2022-01-23 5:12 ` Daniel Palmer 2022-01-21 19:35 ` [PATCH v3 9/9] ARM: mstar: Extend opp_table for infinity2m Romain Perier 2022-01-21 19:35 ` Romain Perier
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