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Thu, 25 Jul 2019 14:43:23 +0000 (GMT) From: k.konieczny@partner.samsung.com To: k.konieczny@partner.samsung.com Subject: [PATCH v4 0/5] add coupled regulators for Exynos5422/5800 Date: Thu, 25 Jul 2019 16:42:55 +0200 Message-Id: <20190725144300.25014-1-k.konieczny@partner.samsung.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA02Sa0hTYRjHe3d2do6y2XEKvmmYLYQM1OyCrxSieWFfhKg+dEFq5UElrzte WkGZZV5S08SczkwrUdRS5zWnZrqcZma2vBXmwPKSFpQL0sy17Vj57ff8n+f/8PzhITHhFG5P hkfF0dIoSYSIZ8lt7l0ecuV3eQXvvtnjjurltTga08/i6J76FY6yOw0A3ZpewNDQUB2BBpMX CaScHsWRtq2Yh5ay1ADJhzo56JF6kkDlY8Mc9P5qJQ8t/hzkoJQONYHWRuu5qEHXy/MRimtK aoBYWZXOEzc8vCJ+9rWdI85urAJizXgLR7ykdDxMnLQ8GEJHhCfQUnfvM5Zhmpx2ImZceKHk xxRIAimbM4AFCal9sHhghcgAlqSQqgRwoqmMwxZ6AJOGZzC2WAKwYuSXcYw0W7R9nqxeAaDq 7Szxz5GiL8JNe3mUM2yUzxMmtqV2wLwPBeZNGLXMhXXaenPDhjoE07sqzcw1GuSK+5iJBZQ/ VKkmAXvgNpjequKyujXsL/xoZsyoX2tSmJdCapSAfdV1HNbgD+UvvnNZtoGfNY0Ey1vhQF7m up4IP5VlE6z5OoC61G/rjQOwRzOMm3JilAusbXNnZV/4JDUNsPGt4PgXa/YGK3i72RTMJAtg 2g0hO+0KSwwvcZYdYIbh8TqL4ZunqeaIQioY5j5YwHKAU9GGZEUbkhX9v6EUYFXAjo5nIkNp Zk8UnejGSCKZ+KhQt3PRkUpgfLuBNY2+FbStnu0GFAlEfMHOKq9gIS5JYGSR3QCSmMhW0NRq lAQhEtlFWhp9WhofQTPdwIHkiuwElzbpTgmpUEkcfZ6mY2jp3y6HtLBPAmEG/m+D7PiK1aw+ JLVFI5d5xxUe6XZ4l6tyLF/NSppPqM7vcVHqBrUBPgOOFRkdBVZ+eHvu7POsEcrudUTm3MTl UmdRYFD2Xa2bYq9Hf/Sx5PhYBeXnELj9hDv/Du4tZ7aEBqliDUpyZF43l59T6Rl+NJjvu39U 0d7l1DMTIOIyYRKPXZiUkfwBwuj3Z3IDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKIsWRmVeSWpSXmKPExsVy+t/xu7o8ByxjDRqeM1psnLGe1eL6l+es FvOPnGO16Nv3n9Gi//FrZovz5zewW5xtesNusenxNVaLy7vmsFl87j3CaDHj/D4mi7VH7rJb LL1+kcniduMKNos3P84yWbTuPcJu8e/aRhaLzQ+OsTkIeayZt4bRY9OqTjaPzUvqPQ6+28Pk 0bdlFaPH8RvbmTw+b5ILYI/SsynKLy1JVcjILy6xVYo2tDDSM7S00DMysdQzNDaPtTIyVdK3 s0lJzcksSy3St0vQyzg+YQ97wQ2hinlf7zM2MLbydzFycEgImEhcPmHexcjFISSwlFHiXesH 9i5GTqC4tETj6dVMELawxJ9rXWwQRZ8YJS5NOc4KkmATUJXYMuMlWIOIgLLE5HvTmUGKmAU6 WSVWPDnCBpIQFnCS6DywAqyIBahhxuxFzCA2r4CLxO7ddxkhNshLdO7YzQIRF5Q4OfMJmM0M FG/eOpt5AiPfLCSpWUhSCxiZVjGKpJYW56bnFhvqFSfmFpfmpesl5+duYgRG2bZjPzfvYLy0 MfgQowAHoxIP74XllrFCrIllxZW5hxglOJiVRHi37gAK8aYkVlalFuXHF5XmpBYfYjQFOnYi s5Rocj4wAeSVxBuaGppbWBqaG5sbm1koifN2CByMERJITyxJzU5NLUgtgulj4uCUamCsl9/2 TW4Ol888OwO/7MIHe5ikAwse71vZeG1xrSff/qAL8fO4f8hX+u7NOvvqtveL8wurWoTWHmg2 DD9dutcp9ZJDE/Pp+qSLgraGanfVDolttZmebbKYkWeyN8s0dz6fgzsnPN83x+96+fWiv7Pn 2VyakdnQYxW+lacj88ijYxoPHv2cELtPiaU4I9FQi7moOBEA3JUTeMgCAAA= X-CMS-MailID: 20190725144324eucas1p211802237e336852ea3d1aa003e4d5d04 X-Msg-Generator: CA X-RootMTR: 20190725144324eucas1p211802237e336852ea3d1aa003e4d5d04 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190725144324eucas1p211802237e336852ea3d1aa003e4d5d04 References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190725_074328_325930_BBF22318 X-CRM114-Status: GOOD ( 17.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Nishanth Menon , linux-samsung-soc@vger.kernel.org, Rob Herring , linux-arm-kernel@lists.infradead.org, Bartlomiej Zolnierkiewicz , Stephen Boyd , Viresh Kumar , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Chanwoo Choi , Kyungmin Park , Kukjin Kim , MyungJoo Ham , devicetree@vger.kernel.org, Marek Szyprowski Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 previous patches. Changes: v4: - removed "opp: core: add regulators enable and disable" from patchset as it was applied by Viresh Kumar and changed cover letter - fix patch "devfreq: exynos-bus: correct clock enable sequence" to correct order of enable/disable - removed unrelated changes in "devfreq: exynos-bus: convert to use dev_pm_opp_set_rate()" - added new patch "devfreq: exynos-bus: remove exynos_bus_passive_target()" as suggested by Chanwoo Choi 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 Kamil Konieczny (4): devfreq: exynos-bus: correct clock enable sequence devfreq: exynos-bus: convert to use dev_pm_opp_set_rate() dt-bindings: devfreq: exynos-bus: remove unused property devfreq: exynos-bus: remove exynos_bus_passive_target() 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 | 153 +++++------------- 6 files changed, 78 insertions(+), 151 deletions(-) -- 2.22.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel