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Sun, 25 Oct 2026 22:30:07 -0700 (PDT) Received: from localhost ([122.172.82.240]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-369ff5a4d68sm7075259eec.14.2026.10.25.22.30.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 25 Oct 2026 22:30:06 -0700 (PDT) Date: Mon, 26 Oct 2026 11:00:04 +0530 From: Viresh Kumar To: christian.koever-draxl@student.uibk.ac.at Cc: neil.armstrong@linaro.org, jbrunet@baylibre.com, sboyd@kernel.org, bmasney+clk@redhat.com, khilman@baylibre.com, martin.blumenstingl@googlemail.com, rafael@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, Christian Stefan =?iso-8859-1?Q?K=F6v=E9r-Draxl?= Subject: Re: [PATCH 4/4] cpufreq: add an Amlogic speed-bin driver Message-ID: References: <20261025192219.209137-1-christian.koever-draxl@student.uibk.ac.at> <20261025192219.209137-5-christian.koever-draxl@student.uibk.ac.at> X-Archived-By: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20261025192219.209137-5-christian.koever-draxl@student.uibk.ac.at> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261025_223009_235790_1C4AB5CE X-CRM114-Status: GOOD ( 13.28 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-amlogic" X-Spam-Status: No, score=-14.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 25-10-26, 20:22, christian.koever-draxl@student.uibk.ac.at wrote: > From: Christian Stefan K=F6v=E9r-Draxl > = > Every S4 speed bin runs the same CPU frequencies but needs its own > voltage curve, and the bin can only be read through the secure monitor. > = > Read the bin from the firmware, select the matching > "opp-microvolt-speed" property for all CPUs, then register > cpufreq-dt. Bins outside the known range fall back to bin 0, which > has the highest voltages. Like sun50i-cpufreq-nvmem, the driver binds > on the SoC compatible and needs no node of its own, and S4 is added to > the cpufreq-dt-platdev blocklist so cpufreq-dt is only created after > the bin has been applied. > = > Signed-off-by: Christian Stefan K=F6v=E9r-Draxl > --- > MAINTAINERS | 1 + > drivers/cpufreq/Kconfig.arm | 14 ++ > drivers/cpufreq/Makefile | 1 + > drivers/cpufreq/amlogic-cpufreq.c | 184 +++++++++++++++++++++++++++ > drivers/cpufreq/cpufreq-dt-platdev.c | 2 + > 5 files changed, 202 insertions(+) > create mode 100644 drivers/cpufreq/amlogic-cpufreq.c Is it safe to apply just this one ? I can take this via the PM tree then. -- = viresh _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic