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[71.197.186.152]) by smtp.gmail.com with ESMTPSA id h14sm126117376pfq.22.2019.08.08.16.56.09 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 08 Aug 2019 16:56:09 -0700 (PDT) From: Kevin Hilman To: Neil Armstrong Subject: Re: [PATCH 0/6] arm64: g12a: add support for DVFS In-Reply-To: <7hwofrh1md.fsf@baylibre.com> References: <20190729132622.7566-1-narmstrong@baylibre.com> <7hwofrh1md.fsf@baylibre.com> Date: Thu, 08 Aug 2019 16:56:09 -0700 Message-ID: <7hk1bn43fq.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190808_165610_945869_44CDE465 X-CRM114-Status: GOOD ( 11.12 ) 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: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Neil Armstrong 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 Kevin Hilman writes: > Neil Armstrong writes: > >> The G12A & G12B SoCs has kernel controllable CPU clocks and PWMs for >> voltage regulators. >> >> This patchsets moves the meson-g12a.dtsi to meson-g12-common.dtsi to simplify >> handling the G12A & G12B differences in the meson-g12a.dtsi & meson-g12b.dtsi >> files, like the OPPs and CPU nodes. >> >> Then G12A & G12B OPP tables are added, followed by the CPU voltages regulators >> in each boards DT. >> >> It was voluntary chosen to enabled DVFS (CPU regulator and CPU clocks) only >> in boards, to make sure only tested boards has DVFS enabled. >> >> This patchset : >> - moves the G12A DT to a common g12a-common dtsi >> - adds the G12A and G12B OPPs >> - enables DVFS on all supported boards >> >> Dependencies: >> - None > > Not quite. The last patch to enable DVFS on odroid-n2 has a build-time > dependency on the clock series that adds the CPUB clock. > > I'll apply the rest of the series to v5.4/dt64 until there's a stable > clock tag I can use for the clocks. In order to test this, I noticed another dependency needed for the PWM regulators to work: https://lore.kernel.org/linux-amlogic/20190729125838.6498-1-narmstrong@baylibre.com/ With that and the clock deps, it's working well on my odroid-n2. Tested-by: Kevin Hilman Thanks, Kevin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel