From: k.konieczny@partner.samsung.com To: k.konieczny@partner.samsung.com Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, Marek Szyprowski <m.szyprowski@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, Krzysztof Kozlowski <krzk@kernel.org>, Kukjin Kim <kgene@kernel.org>, Kyungmin Park <kyungmin.park@samsung.com>, Mark Rutland <mark.rutland@arm.com>, MyungJoo Ham <myungjoo.ham@samsung.com>, Nishanth Menon <nm@ti.com>, Rob Herring <robh+dt@kernel.org>, Stephen Boyd <sboyd@kernel.org>, Viresh Kumar <vireshk@kernel.org>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v3 0/5] add coupled regulators for Exynos5422/5800 Date: Fri, 19 Jul 2019 17:05:30 +0200 [thread overview] Message-ID: <20190719150535.15501-1-k.konieczny@partner.samsung.com> (raw) In-Reply-To: CGME20190719150553eucas1p142b965afae13224712d51f9c28162165@eucas1p1.samsung.com Hi, The main purpose of this patch series is to add coupled regulators for Exynos5422/5800 to keep constrain on voltage difference between vdd_arm and vdd_int to be at most 300mV. In exynos-bus instead of using regulator_set_voltage_tol() with default voltage tolerance it should be used regulator_set_voltage_triplet() with volatege range, and this is already present in opp/core.c code, so it can be reused. While at this, move setting regulators into opp/core. This patchset was tested on Odroid XU3. The DTS coupled regulators patch depends on 2nd and 3rd patches. Changes: v3: - added new exynos-bus patch to correct clock and regulator enabling and disabling sequence as suggested by Chanwoo Choi - corrected error path in enable and improved commit message in opp/core - improve comment in devfreq/exynos-bus.c before devfreq_recommended_opp() - change cover letter as there is new patch - added note before Signed-off-by in 4th patch v2: - improve regulators enable/disable code in opp/core as suggested by Viresh Kumar - add new patch for remove unused dt-bindings as suggested by Krzysztof Kozlowski Regards, Kamil Kamil Konieczny (4): devfreq: exynos-bus: correct clock enable sequence opp: core: add regulators enable and disable devfreq: exynos-bus: convert to use dev_pm_opp_set_rate() dt-bindings: devfreq: exynos-bus: remove unused property Marek Szyprowski (1): ARM: dts: exynos: add initial data for coupled regulators for Exynos5422/5800 .../bindings/devfreq/exynos-bus.txt | 2 - arch/arm/boot/dts/exynos5420.dtsi | 34 ++-- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 4 + arch/arm/boot/dts/exynos5800-peach-pi.dts | 4 + arch/arm/boot/dts/exynos5800.dtsi | 32 ++-- drivers/devfreq/exynos-bus.c | 181 ++++++------------ drivers/opp/core.c | 16 +- 7 files changed, 113 insertions(+), 160 deletions(-) -- 2.22.0
WARNING: multiple messages have this Message-ID (diff)
From: k.konieczny@partner.samsung.com To: k.konieczny@partner.samsung.com Cc: Mark Rutland <mark.rutland@arm.com>, Nishanth Menon <nm@ti.com>, linux-samsung-soc@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, linux-arm-kernel@lists.infradead.org, Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, Stephen Boyd <sboyd@kernel.org>, Viresh Kumar <vireshk@kernel.org>, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski <krzk@kernel.org>, Chanwoo Choi <cw00.choi@samsung.com>, Kyungmin Park <kyungmin.park@samsung.com>, Kukjin Kim <kgene@kernel.org>, MyungJoo Ham <myungjoo.ham@samsung.com>, devicetree@vger.kernel.org, Marek Szyprowski <m.szyprowski@samsung.com> Subject: [PATCH v3 0/5] add coupled regulators for Exynos5422/5800 Date: Fri, 19 Jul 2019 17:05:30 +0200 [thread overview] Message-ID: <20190719150535.15501-1-k.konieczny@partner.samsung.com> (raw) In-Reply-To: CGME20190719150553eucas1p142b965afae13224712d51f9c28162165@eucas1p1.samsung.com Hi, The main purpose of this patch series is to add coupled regulators for Exynos5422/5800 to keep constrain on voltage difference between vdd_arm and vdd_int to be at most 300mV. In exynos-bus instead of using regulator_set_voltage_tol() with default voltage tolerance it should be used regulator_set_voltage_triplet() with volatege range, and this is already present in opp/core.c code, so it can be reused. While at this, move setting regulators into opp/core. This patchset was tested on Odroid XU3. The DTS coupled regulators patch depends on 2nd and 3rd patches. Changes: v3: - added new exynos-bus patch to correct clock and regulator enabling and disabling sequence as suggested by Chanwoo Choi - corrected error path in enable and improved commit message in opp/core - improve comment in devfreq/exynos-bus.c before devfreq_recommended_opp() - change cover letter as there is new patch - added note before Signed-off-by in 4th patch v2: - improve regulators enable/disable code in opp/core as suggested by Viresh Kumar - add new patch for remove unused dt-bindings as suggested by Krzysztof Kozlowski Regards, Kamil Kamil Konieczny (4): devfreq: exynos-bus: correct clock enable sequence opp: core: add regulators enable and disable devfreq: exynos-bus: convert to use dev_pm_opp_set_rate() dt-bindings: devfreq: exynos-bus: remove unused property Marek Szyprowski (1): ARM: dts: exynos: add initial data for coupled regulators for Exynos5422/5800 .../bindings/devfreq/exynos-bus.txt | 2 - arch/arm/boot/dts/exynos5420.dtsi | 34 ++-- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 4 + arch/arm/boot/dts/exynos5800-peach-pi.dts | 4 + arch/arm/boot/dts/exynos5800.dtsi | 32 ++-- drivers/devfreq/exynos-bus.c | 181 ++++++------------ drivers/opp/core.c | 16 +- 7 files changed, 113 insertions(+), 160 deletions(-) -- 2.22.0 _______________________________________________ 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:[~2019-07-19 15:06 UTC|newest] Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20190719150553eucas1p142b965afae13224712d51f9c28162165@eucas1p1.samsung.com> 2019-07-19 15:05 ` k.konieczny [this message] 2019-07-19 15:05 ` [PATCH v3 0/5] add coupled regulators for Exynos5422/5800 k.konieczny [not found] ` <CGME20190719150553eucas1p1665462f3fc0e06fc9c082e258be3a851@eucas1p1.samsung.com> 2019-07-19 15:05 ` [PATCH v3 1/5] devfreq: exynos-bus: correct clock enable sequence k.konieczny 2019-07-19 15:05 ` k.konieczny 2019-07-25 9:58 ` Chanwoo Choi 2019-07-25 9:58 ` Chanwoo Choi [not found] ` <CGME20190719150554eucas1p2f4c9e4d2767ab740d419c42d4aeed6d5@eucas1p2.samsung.com> 2019-07-19 15:05 ` [PATCH v3 2/5] opp: core: add regulators enable and disable k.konieczny 2019-07-19 15:05 ` k.konieczny 2019-07-19 15:05 ` k.konieczny 2019-07-23 1:48 ` Viresh Kumar 2019-07-23 1:48 ` Viresh Kumar [not found] ` <CGME20190719150555eucas1p197adc3c58e45c53137fd70cadbfae60e@eucas1p1.samsung.com> 2019-07-19 15:05 ` [PATCH v3 3/5] devfreq: exynos-bus: convert to use dev_pm_opp_set_rate() k.konieczny 2019-07-19 15:05 ` k.konieczny 2019-07-25 10:17 ` Chanwoo Choi 2019-07-25 10:17 ` Chanwoo Choi 2019-07-25 13:35 ` Kamil Konieczny 2019-07-25 13:35 ` Kamil Konieczny 2019-07-25 14:53 ` Chanwoo Choi 2019-07-25 14:53 ` Chanwoo Choi 2019-07-25 15:15 ` Kamil Konieczny 2019-07-25 15:15 ` Kamil Konieczny 2019-07-26 1:02 ` Chanwoo Choi 2019-07-26 1:02 ` Chanwoo Choi [not found] ` <CGME20190719150556eucas1p291b9e533a80d77e2f58452f0e1fe8b35@eucas1p2.samsung.com> 2019-07-19 15:05 ` [PATCH v3 4/5] ARM: dts: exynos: add initial data for coupled regulators for Exynos5422/5800 k.konieczny 2019-07-19 15:05 ` k.konieczny [not found] ` <CGME20190719150556eucas1p2bc6f133c48ec1be9b36119a414887969@eucas1p2.samsung.com> 2019-07-19 15:05 ` [PATCH v3 5/5] dt-bindings: devfreq: exynos-bus: remove unused property k.konieczny 2019-07-19 15:05 ` k.konieczny
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