From: Sylwester Nawrocki <s.nawrocki@samsung.com> To: krzk@kernel.org, vireshk@kernel.org Cc: robh+dt@kernel.org, kgene@kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com, m.szyprowski@samsung.com, Sylwester Nawrocki <s.nawrocki@samsung.com> Subject: [PATCH v4 0/6] Exynos Adaptive Supply Voltage support Date: Tue, 10 Sep 2019 14:36:12 +0200 [thread overview] Message-ID: <20190910123618.27985-1-s.nawrocki@samsung.com> (raw) In-Reply-To: CGME20190910123632eucas1p2cf941da5f74b892288dd5a92ff9fa9fb@eucas1p2.samsung.com This is fourth iteration of my patch series adding ASV (Adaptive Supply Voltage) support for Exynos SoCs. The previous one can be found at: https://lkml.org/lkml/2019/8/13/808 Major change since v3 is a conversion to use dev_pm_opp_adjust_voltage(), rather than removing and adding an OPP again. Hence the series now depends on patch [1]. I have included here a patch to address review comments "opp: Handle target/min/max voltage in dev_pm_opp_adjust_voltage()", which could be squashed with patch [1]. The CHIPID patches are dropped from the series as they have already been merged. The patch set is based on for-next branch, git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git Tested on Odroid XU3, XU3 Lite, XU4. One of the things on TODO list is support for the Adaptive Body Bias. This would require modifications on the cpufreq driver side in order to support multiple voltage regulators as well as changes in the OPP framework to support adding OPPs with multiple voltages. [1] "[v4, 6/8] PM / OPP: Support adjusting OPP voltages at runtime" https://lore.kernel.org/linux-arm-kernel/1565703113-31479-7-git-send-email-andrew-sh.cheng@mediatek.com Sylwester Nawrocki (6): opp: Handle target/min/max voltage in dev_pm_opp_adjust_voltage() dt-bindings: samsung: Update the CHIP ID binding documentation soc: samsung: Add Exynos Adaptive Supply Voltage driver ARM: EXYNOS: Enable exynos-asv driver for ARCH_EXYNOS ARM: dts: Add "syscon" compatible string to chipid node ARM: dts: Add samsung,asv-bin property for odroidxu3-lite .../bindings/arm/samsung/exynos-chipid.txt | 10 +- arch/arm/boot/dts/exynos5.dtsi | 4 +- .../boot/dts/exynos5422-odroidxu3-lite.dts | 4 + arch/arm/mach-exynos/Kconfig | 1 + drivers/opp/core.c | 10 +- drivers/soc/samsung/Kconfig | 10 + drivers/soc/samsung/Makefile | 3 + drivers/soc/samsung/exynos-asv.c | 179 ++++++ drivers/soc/samsung/exynos-asv.h | 82 +++ drivers/soc/samsung/exynos5422-asv.c | 509 ++++++++++++++++++ drivers/soc/samsung/exynos5422-asv.h | 25 + include/linux/pm_opp.h | 3 +- 12 files changed, 833 insertions(+), 7 deletions(-) create mode 100644 drivers/soc/samsung/exynos-asv.c create mode 100644 drivers/soc/samsung/exynos-asv.h create mode 100644 drivers/soc/samsung/exynos5422-asv.c create mode 100644 drivers/soc/samsung/exynos5422-asv.h -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Sylwester Nawrocki <s.nawrocki@samsung.com> To: krzk@kernel.org, vireshk@kernel.org Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-pm@vger.kernel.org, b.zolnierkie@samsung.com, linux-kernel@vger.kernel.org, robh+dt@kernel.org, kgene@kernel.org, Sylwester Nawrocki <s.nawrocki@samsung.com>, linux-arm-kernel@lists.infradead.org, m.szyprowski@samsung.com Subject: [PATCH v4 0/6] Exynos Adaptive Supply Voltage support Date: Tue, 10 Sep 2019 14:36:12 +0200 [thread overview] Message-ID: <20190910123618.27985-1-s.nawrocki@samsung.com> (raw) In-Reply-To: CGME20190910123632eucas1p2cf941da5f74b892288dd5a92ff9fa9fb@eucas1p2.samsung.com This is fourth iteration of my patch series adding ASV (Adaptive Supply Voltage) support for Exynos SoCs. The previous one can be found at: https://lkml.org/lkml/2019/8/13/808 Major change since v3 is a conversion to use dev_pm_opp_adjust_voltage(), rather than removing and adding an OPP again. Hence the series now depends on patch [1]. I have included here a patch to address review comments "opp: Handle target/min/max voltage in dev_pm_opp_adjust_voltage()", which could be squashed with patch [1]. The CHIPID patches are dropped from the series as they have already been merged. The patch set is based on for-next branch, git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git Tested on Odroid XU3, XU3 Lite, XU4. One of the things on TODO list is support for the Adaptive Body Bias. This would require modifications on the cpufreq driver side in order to support multiple voltage regulators as well as changes in the OPP framework to support adding OPPs with multiple voltages. [1] "[v4, 6/8] PM / OPP: Support adjusting OPP voltages at runtime" https://lore.kernel.org/linux-arm-kernel/1565703113-31479-7-git-send-email-andrew-sh.cheng@mediatek.com Sylwester Nawrocki (6): opp: Handle target/min/max voltage in dev_pm_opp_adjust_voltage() dt-bindings: samsung: Update the CHIP ID binding documentation soc: samsung: Add Exynos Adaptive Supply Voltage driver ARM: EXYNOS: Enable exynos-asv driver for ARCH_EXYNOS ARM: dts: Add "syscon" compatible string to chipid node ARM: dts: Add samsung,asv-bin property for odroidxu3-lite .../bindings/arm/samsung/exynos-chipid.txt | 10 +- arch/arm/boot/dts/exynos5.dtsi | 4 +- .../boot/dts/exynos5422-odroidxu3-lite.dts | 4 + arch/arm/mach-exynos/Kconfig | 1 + drivers/opp/core.c | 10 +- drivers/soc/samsung/Kconfig | 10 + drivers/soc/samsung/Makefile | 3 + drivers/soc/samsung/exynos-asv.c | 179 ++++++ drivers/soc/samsung/exynos-asv.h | 82 +++ drivers/soc/samsung/exynos5422-asv.c | 509 ++++++++++++++++++ drivers/soc/samsung/exynos5422-asv.h | 25 + include/linux/pm_opp.h | 3 +- 12 files changed, 833 insertions(+), 7 deletions(-) create mode 100644 drivers/soc/samsung/exynos-asv.c create mode 100644 drivers/soc/samsung/exynos-asv.h create mode 100644 drivers/soc/samsung/exynos5422-asv.c create mode 100644 drivers/soc/samsung/exynos5422-asv.h -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next parent reply other threads:[~2019-09-10 12:36 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20190910123632eucas1p2cf941da5f74b892288dd5a92ff9fa9fb@eucas1p2.samsung.com> 2019-09-10 12:36 ` Sylwester Nawrocki [this message] 2019-09-10 12:36 ` [PATCH v4 0/6] Exynos Adaptive Supply Voltage support Sylwester Nawrocki [not found] ` <CGME20190910123636eucas1p250ec04901f227b947cc38936563f63b2@eucas1p2.samsung.com> 2019-09-10 12:36 ` [PATCH v4 1/6] opp: Handle target/min/max voltage in dev_pm_opp_adjust_voltage() Sylwester Nawrocki 2019-09-10 12:36 ` Sylwester Nawrocki 2019-10-02 14:33 ` Krzysztof Kozlowski 2019-10-02 14:33 ` Krzysztof Kozlowski 2019-10-02 15:54 ` Sylwester Nawrocki 2019-10-02 15:54 ` Sylwester Nawrocki 2019-10-02 15:54 ` Sylwester Nawrocki 2019-10-14 6:26 ` Viresh Kumar 2019-10-14 6:26 ` Viresh Kumar 2019-10-16 9:15 ` Sylwester Nawrocki 2019-10-16 9:15 ` Sylwester Nawrocki [not found] ` <CGME20190910123637eucas1p26d2051f9bdd1bdf4510f1908ea98f641@eucas1p2.samsung.com> 2019-09-10 12:36 ` [PATCH v4 2/6] dt-bindings: samsung: Update the CHIP ID binding documentation Sylwester Nawrocki 2019-09-10 12:36 ` Sylwester Nawrocki 2019-09-17 18:13 ` Rob Herring 2019-09-17 18:13 ` Rob Herring 2019-09-17 18:13 ` Rob Herring 2019-10-02 15:48 ` Krzysztof Kozlowski 2019-10-02 15:48 ` Krzysztof Kozlowski 2019-10-02 16:00 ` Sylwester Nawrocki 2019-10-02 16:00 ` Sylwester Nawrocki [not found] ` <CGME20190910123639eucas1p2ab65f8d2bba3ca9da831d2549dc62cfb@eucas1p2.samsung.com> 2019-09-10 12:36 ` [PATCH v4 3/6] soc: samsung: Add Exynos Adaptive Supply Voltage driver Sylwester Nawrocki 2019-09-10 12:36 ` Sylwester Nawrocki [not found] ` <CGME20190910123643eucas1p2666bc55d5b36efbbb02565793a2c1f86@eucas1p2.samsung.com> 2019-09-10 12:36 ` [PATCH v4 4/6] ARM: EXYNOS: Enable exynos-asv driver for ARCH_EXYNOS Sylwester Nawrocki 2019-09-10 12:36 ` Sylwester Nawrocki [not found] ` <CGME20190910123644eucas1p234a55b19e68046900539195f55ea60dd@eucas1p2.samsung.com> 2019-09-10 12:36 ` [PATCH v4 5/6] ARM: dts: Add "syscon" compatible string to chipid node Sylwester Nawrocki 2019-09-10 12:36 ` Sylwester Nawrocki 2019-10-02 15:44 ` Krzysztof Kozlowski 2019-10-02 15:44 ` Krzysztof Kozlowski [not found] ` <CGME20190910123647eucas1p176bc817bbdae813e5aa9ab4745f9c285@eucas1p1.samsung.com> 2019-09-10 12:36 ` [PATCH v4 6/6] ARM: dts: Add samsung,asv-bin property for odroidxu3-lite Sylwester Nawrocki 2019-09-10 12:36 ` Sylwester Nawrocki 2019-10-02 15:44 ` Krzysztof Kozlowski 2019-10-02 15:44 ` Krzysztof Kozlowski
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