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Thu, 8 Aug 2019 09:02:48 +0000 (GMT) From: Kamil Konieczny To: k.konieczny@partner.samsung.com Subject: [RESEND PATCH v5 0/4] add coupled regulators for Exynos5422/5800 Date: Thu, 8 Aug 2019 11:02:30 +0200 Message-Id: <20190808090234.12577-1-k.konieczny@partner.samsung.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA01Sa0hTYRjuO5ed42h2nGEfGiaroCSvBH5dTZA45o/qR1CG2dKDWjpl85JG mWWZZssUSqdpWdJaltNSl5WVDmelLlOXmNrULEwTvEQZ4XI7i/r3vO/zPN/7Pi8fjYsHSVc6 VpbEyWXSOIlASNS3znd6bR4LDfeduouhmqJqEr2f+0Kicn0niZRNFoAuj07gyGjUUqjjzCSF akdNJOpuLBWg2Ut6gIqMTRi6rx+kUOX7Lgx9yFQL0OTPDgyde6an0IKphkAPza2CHWK2qqwK sLWaHAH78HYG+3LqKcYqH2kAa+hrwNjZWvc9VJhwaxQXF5vCyX22HxbGmM0mIrHS+XhvloY8 DfTLcgFNQ2YjLP10MhcIaTGjBjDv4mcsFzgsFnMAftNRPDELoLpxwEZYDQW9LzCeuAPgiDET 54tFx3jhvMCqEjABcKSh3eZYzqyGhUPXbCKcmSegtruGss52ZkKgTutv1RDMWtjw8TOwYhET DHWaUpKftgrm6J4QfN8Jvir+ZMP4Yv9sXYntTciYKNi7kA14QzDsevnabnaGXw2PKB6vhJbH 5fYIqXDsppLizVkAmrOnCZ7YAlsMXaR1OZxZD6sbffh2ECzRqQn+Xo6w75sTv4MjLKi35rK2 RfDCeTGv9oJllnb7Bm4w1/LAjllY9PSKgL9uOBz/1YTlAw/Vf8lU/yVT/dvhBsA1YAWXrIiP 5hR+Mi7VWyGNVyTLor0jE+JrweKne7NgmNGB7++ONAOGBpKlosS20HAxKU1RpMU3A0jjkuWi oZSQcLEoSpqWzskTIuTJcZyiGbjRhGSF6MQS80ExEy1N4o5xXCIn/8titIPrabBPqftx2Ldr Z8C2dT/cg3rfFm9QeWb3p1evubd7sp4oC/ToPxrZPOuboE5o3R6bk7EpMMRjqs7sGOnU023U ss4tgwOasOczFfP5fT1joXrKVxgslJp+R9yqLIu4ruzuVPkN7R++emhiw94ClyeZu4any08d SGrjotoZ7zyti7t/hYRQxEj9PHG5QvoHdCGYN3ADAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKIsWRmVeSWpSXmKPExsVy+t/xe7qWT71jDWa/E7TYOGM9q8X1L89Z LeYfOcdq0bfvP6NF/+PXzBbnz29gtzjb9IbdYtPja6wWl3fNYbP43HuE0WLG+X1MFmuP3GW3 WHr9IpPF7cYVbBZvfpxlsmjde4Td4t+1jSwWmx8cY3MQ8lgzbw2jx6ZVnWwem5fUexx8t4fJ o2/LKkaP4ze2M3l83iQXwB6lZ1OUX1qSqpCRX1xiqxRtaGGkZ2hpoWdkYqlnaGwea2VkqqRv Z5OSmpNZllqkb5egl/HgwTWWgqXCFVdbVrE2MB7h72Lk5JAQMJGYdPUAUxcjF4eQwFJGiWu3 jzBCJKQlGk+vZoKwhSX+XOtigyj6xCix6eVaFpAEm4C5xKPtZ8CKRASUJSbfm84MUsQs0Mkq seLJEaAODg5hAU+JHRuMQGpYBFQltt9/BraAV8BFYseqOawQC+QlOnfsZoGIC0qcnPkEzGYG ijdvnc08gZFvFpLULCSpBYxMqxhFUkuLc9Nzi430ihNzi0vz0vWS83M3MQKjbNuxn1t2MHa9 Cz7EKMDBqMTDW3DCO1aINbGsuDL3EKMEB7OSCO+9Ms9YId6UxMqq1KL8+KLSnNTiQ4ymQMdO ZJYSTc4HJoC8knhDU0NzC0tDc2NzYzMLJXHeDoGDMUIC6YklqdmpqQWpRTB9TBycUg2M86/c q/kZuLTqda/WJaXvL/6nVgpbet0oc6vzCk0J2LZ8ZeOtF4yN63f9eXl0ScjSjfHH0w5u+B9s KvRCjnle8OzzeQcjX7zM2LfFY9VNpbquHiGB7WrmFV7uC6LnTq84m7LyrfxpvWV9YVffZO+y Y9Y8WBN9/qxNnfQqkdN/z6vV/W0yncfYocRSnJFoqMVcVJwIAAVgHcbIAgAA X-CMS-MailID: 20190808090249eucas1p19944820d79ec211c85d9e1285f892f9c X-Msg-Generator: CA X-RootMTR: 20190808090249eucas1p19944820d79ec211c85d9e1285f892f9c X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190808090249eucas1p19944820d79ec211c85d9e1285f892f9c References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190808_020253_459900_243C8E89 X-CRM114-Status: GOOD ( 17.45 ) 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: v5: - squashed last patch "remove exynos_bus_passive_target()" into second - added Acked-by to patch "correct clock enable sequence" 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 (3): 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 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