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Tue, 09 Jul 2019 07:31:56 -0700 (PDT) Received: from localhost ([64.188.179.251]) by smtp.gmail.com with ESMTPSA id z26sm22721257ioi.85.2019.07.09.07.31.55 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 09 Jul 2019 07:31:55 -0700 (PDT) Date: Tue, 9 Jul 2019 08:31:53 -0600 From: Rob Herring To: Yangtao Li Subject: Re: [RESEND, PATCH v4 2/2] dt-bindings: cpufreq: Document allwinner,sun50i-h6-operating-points Message-ID: <20190709143153.GA30638@bogus> References: <20190612162816.31713-1-tiny.windzz@gmail.com> <20190612162816.31713-3-tiny.windzz@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190612162816.31713-3-tiny.windzz@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190709_073157_314157_6FC8F970 X-CRM114-Status: GOOD ( 12.32 ) 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: nm@ti.com, mark.rutland@arm.com, Yangtao Li , linux-pm@vger.kernel.org, maxime.ripard@bootlin.com, vireshk@kernel.org, linus.walleij@linaro.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, sboyd@kernel.org, wens@csie.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org, gregkh@linuxfoundation.org, mchehab+samsung@kernel.org, paulmck@linux.ibm.com, davem@davemloft.net, devicetree@vger.kernel.org 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 On Wed, 12 Jun 2019 12:28:16 -0400, Yangtao Li wrote: > Allwinner Process Voltage Scaling Tables defines the voltage and > frequency value based on the speedbin blown in the efuse combination. > The sunxi-cpufreq-nvmem driver reads the efuse value from the SoC to > provide the OPP framework with required information. > This is used to determine the voltage and frequency value for each > OPP of operating-points-v2 table when it is parsed by the OPP framework. > > The "allwinner,sun50i-h6-operating-points" DT extends the > "operating-points-v2" > with following parameters: > - nvmem-cells (NVMEM area containig the speedbin information) > - opp-microvolt-: voltage in micro Volts. > At runtime, the platform can pick a and matching > opp-microvolt- property. > HW: : > sun50i-h6 speed0 speed1 speed2 > > Signed-off-by: Yangtao Li > Acked-by: Maxime Ripard > --- > .../bindings/opp/sun50i-nvmem-cpufreq.txt | 167 ++++++++++++++++++ > 1 file changed, 167 insertions(+) > create mode 100644 Documentation/devicetree/bindings/opp/sun50i-nvmem-cpufreq.txt > Reviewed-by: Rob Herring _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel