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Tue, 17 Dec 2019 11:32:05 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20191217023204epsmtip236f0b41761dc42ae328c48f973093a02~hB82_kLk_2632626326epsmtip2S; Tue, 17 Dec 2019 02:32:04 +0000 (GMT) Subject: Re: [v5, PATCH 2/5] dt-bindings: devfreq: add compatible for mt8183 cci devfreq To: "Andrew-sh.Cheng" , MyungJoo Ham , Kyungmin Park , Rob Herring , Mark Rutland , Matthias Brugger , "Rafael J. Wysocki" , Viresh Kumar , Nishanth Menon , Stephen Boyd From: Chanwoo Choi Organization: Samsung Electronics Message-ID: <2c875e5e-bd57-3d67-5995-8a450735dbda@samsung.com> Date: Tue, 17 Dec 2019 11:38:39 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0 MIME-Version: 1.0 In-Reply-To: <1574769046-28449-3-git-send-email-andrew-sh.cheng@mediatek.com> Content-Language: en-US X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrDJsWRmVeSWpSXmKPExsWy7bCmga6q3Y9Yg4btehbb179gtZh/5Byr xbc7v5kszja9YbfY9Pgaq8XlXXPYLC43X2S0+Nx7hNFi6fWLTBZNLcYWtxtXsFm8+XGWyeLM 6UusFq17j7Bb/Lu2kcVi+l0hi41fPRwEPdbMW8PosXPWXXaPTas62TzuXNvD5rF5Sb1Hy8n9 LB5brrazePRtWcXocfzGdiaPz5vkAriism0yUhNTUosUUvOS81My89JtlbyD453jTc0MDHUN LS3MlRTyEnNTbZVcfAJ03TJzgL5RUihLzCkFCgUkFhcr6dvZFOWXlqQqZOQXl9gqpRak5BRY FugVJ+YWl+al6yXn51oZGhgYmQIVJmRnPLm6gqmgT6Di3aSFLA2Mq3i7GDk4JARMJOa2FXcx cnIICexglFi7urCLkQvI/sQosbrhCCuE841R4vHGj6wgVWAN5/tZIBJ7GSW2HbgH5bxnlLjx 9DEzSJWwQJTEnjOLGEESIgKTmCUmbH7ACJJgFrjFKPF6PxuIzSagJbH/xQ0wm19AUeLqj8dg NbwCdhKfeuawgNgsAqoSV193g9miAmESJ7e1QNUISpyc+QQszingK7F83Rc2iPniEreezGeC sOUltr+dwwxyhITALXaJXcdfskP84CLxueUoC4QtLPHq+BaouJTE53d72SDsaomVJ4+wQTR3 MEps2X8BGgDGEvuXTmYChR6zgKbE+l36EGFFiZ2/50I9ySfx7msPKySAeSU62oQgSpQlLj+4 ywRhS0osbu9km8CoNAvJO7OQvDALyQuzEJYtYGRZxSiWWlCcm55abFhgihzbmxjBKV3Lcgfj sXM+hxgFOBiVeHglSr7HCrEmlhVX5h5ilOBgVhLh3aEAFOJNSaysSi3Kjy8qzUktPsRoCgzt icxSosn5wHyTVxJvaGpkbGxsYWJoZmpoqCTOy/HjYqyQQHpiSWp2ampBahFMHxMHp1QDo4Rk 1oukyb7iMXw/qyynHDAqaZr0erpB7r0dymY1RzX/Z1kE3zVdxLjrv/S57ld5m2Wq+JS2z7on vvEws4a8ediZMKXVJs5hBa7sm//O3t2qWTmtKTZ7pkXQ19/W0RFFycXTnRmS/fXdW388eN2o NP+hVw/D8YdZffUMM2f63Lx/UNihp99WiaU4I9FQi7moOBEADvC/vv8DAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrBIsWRmVeSWpSXmKPExsWy7bCSvK6q3Y9YgwUTmC22r3/BajH/yDlW i293fjNZnG16w26x6fE1VovLu+awWVxuvsho8bn3CKPF0usXmSyaWowtbjeuYLN48+Msk8WZ 05dYLVr3HmG3+HdtI4vF9LtCFhu/ejgIeqyZt4bRY+esu+wem1Z1snncubaHzWPzknqPlpP7 WTy2XG1n8ejbsorR4/iN7UwenzfJBXBFcdmkpOZklqUW6dslcGU8ubqCqaBPoOLdpIUsDYyr eLsYOTkkBEwk5p7vZwGxhQR2M0rMXscFEZeUmHbxKHMXIweQLSxx+HBxFyMXUMlbRon3TZNY QWqEBaIk9pxZxAiSEBGYxizx9N9rNhCHWeAWo8Sm5iPsEC2PGSVm/XrCCNLCJqAlsf/FDTYQ m19AUeLqj8dgcV4BO4lPPXPAzmARUJW4+robzBYVCJPYueQxE0SNoMTJmU/A4pwCvhLL130B m8MsoC7xZ94lZghbXOLWk/lMELa8xPa3c5gnMArPQtI+C0nLLCQts5C0LGBkWcUomVpQnJue W2xYYJiXWq5XnJhbXJqXrpecn7uJERzfWpo7GC8viT/EKMDBqMTDK1HyPVaINbGsuDL3EKME B7OSCO8OBaAQb0piZVVqUX58UWlOavEhRmkOFiVx3qd5xyKFBNITS1KzU1MLUotgskwcnFIN jBbX55vUrH7S/c1o94KH6exT/B6aql46KCHhJDBjb8JC51S5Ws3DmlH3FffVJKx5uDXYraDk /5mHD77+09z6ZPqZLbyf1PoT+je+jLxoJKA4bY4db1ZyHif3hXKrlXkH1ya+SnB8c2adyuem HVocmiZ7D2jNWtL9bZ7SpDT1+sh0Du3zPkxzfJRYijMSDbWYi4oTAUP8nyHrAgAA X-CMS-MailID: 20191217023205epcas1p22da079575ecabcd27216985c27dacbb4 X-Msg-Generator: CA X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20191126115134epcas5p43ec69b25093165dad94f95e9213804cb References: <1574769046-28449-1-git-send-email-andrew-sh.cheng@mediatek.com> <1574769046-28449-3-git-send-email-andrew-sh.cheng@mediatek.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191216_183216_859165_475BF117 X-CRM114-Status: GOOD ( 22.85 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, fan.chen@mediatek.com, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hi, On 11/26/19 8:50 PM, Andrew-sh.Cheng wrote: > From: "Andrew-sh.Cheng" > > This adds dt-binding documentation of cci devfreq > for Mediatek MT8183 SoC platform. > > Signed-off-by: Andrew-sh.Cheng > --- > .../bindings/devfreq/mt8183-cci-devfreq.txt | 20 ++++++++++++++++++++ mt8183-cci.txt is better without 'devfreq' word. I recommend to make the binding document with yaml. You can refer to the example[1] [1] https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git/commit/?h=devfreq-next&id=6ad0b4fb960c3bc32034d8f3ec7609c8bcb8d9a4 > 1 file changed, 20 insertions(+) > create mode 100644 Documentation/devicetree/bindings/devfreq/mt8183-cci-devfreq.txt > > diff --git a/Documentation/devicetree/bindings/devfreq/mt8183-cci-devfreq.txt b/Documentation/devicetree/bindings/devfreq/mt8183-cci-devfreq.txt > new file mode 100644 > index 000000000000..a65a70bb9f09 > --- /dev/null > +++ b/Documentation/devicetree/bindings/devfreq/mt8183-cci-devfreq.txt > @@ -0,0 +1,20 @@ > +* Mediatek Cache Coherent Interconnect(CCI) frequency device recommend to add the more detailed description of what is the role of this driver. > + > +Required properties: > +- compatible: should contain "mediatek,mt8183-cci" for frequency scaling of CCI > +- clocks: for frequency scaling of CCI > +- clock-names: for frequency scaling of CCI driver to reference > +- regulator: for voltage scaling of CCI > +- operating-points-v2: for frequency scaling of CCI opp table > + > +Example: > + cci: cci { > + compatible = "mediatek,mt8183-cci"; > + clocks = <&apmixedsys CLK_APMIXED_CCIPLL>; > + clock-names = "cci_clock"; Recommend to use 'cci' without '_clock' because we can know that it's clock name event if '_clock'. > + operating-points-v2 = <&cci_opp>; > + }; > + > + &cci { > + proc-supply = <&mt6358_vproc12_reg>; > + }; > \ No newline at end of file > -- Best Regards, Chanwoo Choi Samsung Electronics _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek