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Fri, 09 Aug 2019 11:21:45 -0700 (PDT) From: Kevin Hilman To: Neil Armstrong Subject: Re: [PATCH 0/6] arm64: g12a: add support for DVFS In-Reply-To: <7hk1bn43fq.fsf@baylibre.com> References: <20190729132622.7566-1-narmstrong@baylibre.com> <7hwofrh1md.fsf@baylibre.com> <7hk1bn43fq.fsf@baylibre.com> Date: Fri, 09 Aug 2019 11:21:44 -0700 Message-ID: <7h1rxu42tj.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190809_112146_654842_7C790878 X-CRM114-Status: GOOD ( 10.70 ) X-BeenThere: linux-amlogic@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-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Kevin Hilman writes: > 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 Also now tested on g12a: u200, x96-max and sei510 boards. Kevin _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic