From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751723AbbALILa (ORCPT ); Mon, 12 Jan 2015 03:11:30 -0500 Received: from mailout4.samsung.com ([203.254.224.34]:44713 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751341AbbALIL1 (ORCPT ); Mon, 12 Jan 2015 03:11:27 -0500 X-AuditID: cbfee68f-f791c6d000004834-a6-54b381ad0acc Date: Mon, 12 Jan 2015 08:11:25 +0000 (GMT) From: MyungJoo Ham Subject: Re: [PATCHv7 05/10] devfreq: event: Add documentation for exynos-ppmu devfreq-event driver To: =?utf-8?Q?=EC=B5=9C=EC=B0=AC=EC=9A=B0?= , "kgene@kernel.org" Cc: =?utf-8?Q?=EB=B0=95=EA=B2=BD=EB=AF=BC?= , "rafael.j.wysocki@intel.com" , "mark.rutland@arm.com" , ABHILASH KESAVAN , "tomasz.figa@gmail.com" , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , "robh+dt@kernel.org" , =?utf-8?Q?=EB=8C=80=EC=9D=B8=EA=B8=B0?= , "linux-pm@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-samsung-soc@vger.kernel.org" Reply-to: myungjoo.ham@samsung.com MIME-version: 1.0 X-MTR: 20150112081113706@myungjoo.ham Msgkey: 20150112081113706@myungjoo.ham X-EPLocale: ko_KR.utf-8 X-Priority: 3 X-EPWebmail-Msg-Type: personal X-EPWebmail-Reply-Demand: 0 X-EPApproval-Locale: X-EPHeader: ML X-MLAttribute: X-RootMTR: 20150112081113706@myungjoo.ham X-ParentMTR: X-ArchiveUser: X-CPGSPASS: N X-ConfirmMail: N,general Content-type: text/plain; charset=utf-8 MIME-version: 1.0 Message-id: <905389780.892831421050282747.JavaMail.weblogic@epmlwas09a> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrEIsWRmVeSWpSXmKPExsWyRsSkRHdd4+YQg7O9TBaXd81hc2D0+LxJ LoAxissmJTUnsyy1SN8ugSuj79xS1oIdUhXvJhxibmC8I9nFyMkhJKAusWjJSTYQW0LARGLr 3QYmCFtM4sK99UBxLqCapYwSD3Z+Yu9i5AArappkCBGfwygxefIPFpA4i4CqxNqZjiAmm4Ce xMzPySBjhAWSJU41bQcbLyKQJ3Hl7gxGkFZmgR42iY6r35khblCSWLPvFQuIzSsgKHFy5hMW iBtUJdZMfMgEEVeT2Lr7H1RcXOLC3EvsEDavxIz2p1BxOYlpX9cwQ9jSEudnbWCE+WXx98dQ cX6JY7d3QP0oIDH1zEGoGi2J44uOQs3kk1iz8C0LTP2uU8uZYXbd3zIXqldCYmvLE1YQm1lA UWJK90Nw8DALaEqs36WP7hVeAXeJnUdmg4NTQmAmh8TKm0eYJzAqzUJSNwvJqFkIo5CVLGBk WcUomlqQXFCclF5krFecmFtcmpeul5yfu4kRmBRO/3vWv4Px7gHrQ4wCHIxKPLwWUptDhFgT y4orcw8xmgIjaSKzlGhyPjD15JXEGxqbGVmYmpgaG5lbmimJ8y6U+hksJJCeWJKanZpakFoU X1Sak1p8iJGJg1OqgdHBQ+/OigOL3tmfvr2ldk6Eo5PbzNU586aI8mzYvkZn6Z35taUBU9ym nN7PGugmwhP278y0QPWt/15tmyUpoFQSY/xchmP1cplYzrpfWqc5Gl/+sd23XHxRfX7xa++X S/wCc7K198+67aJZaii/1iIhxDj8TNfJ+3vzDjFx+q6uDlTUz8lYGq7EUpyRaKjFXFScCADH 2bVDBQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrMKsWRmVeSWpSXmKPExsVy+t/tXt21jZtDDFbdsLC4vGsOmwOjx+dN cgGMUWk2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUBD lRTKEnNKgUIBicXFSvp2NkX5pSWpChn5xSW2StGG5kZ6RgZ6pkZ6hsaxVoYGBkamQDUJaRl9 55ayFuyQqng34RBzA+MdyS5GTg4hAXWJRUtOsnUxcnBICJhINE0yBAlLCIhJXLi3HijMBVQy h1Fi8uQfLCA1LAKqEmtnOoKYbAJ6EjM/J4OUCwskS5xq2s4GYosI5ElcuTuDEaSVWaCHTaLj 6ndmiFVKEmv2vWIBsXkFBCVOznzCArFLVWLNxIdMEHE1ia27/0HFxSUuzL3EDmHzSsxofwoV l5OY9nUNM4QtLXF+1gZGmJsXf38MFeeXOHZ7BxOELSAx9cxBqBotieOLjkLN5JNYs/AtC0z9 rlPLmWF23d8yF6pXQmJryxNWEJtZQFFiSvdDdpDfmQU0Jdbv0kf3Cq+Au8TOI7PZJjDKzkKS moWkexZCN7KSBYwsqxhFUwuSC4qT0iuM9IoTc4tL89L1kvNzNzGCE9CzRTsY/523PsQowMGo xMNrIbU5RIg1say4MvcQowQHs5IIr2sZUIg3JbGyKrUoP76oNCe1+BCjKTDKJjJLiSbnA5Nj Xkm8obGxiZmJqaWJhYGpuZI47/9zuSFCAumJJanZqakFqUUwfUwcnFINjOsd3ReG8MQ+yXnM e+F28Na83+LOk5RnN9720ljCdLq66/Sl7scS/DZfqtncVq+8mT/phKrPlSY3l43HRJh+lL2N CeI8/3Ci3enVu8yMWcVPcP+QrtY/HrS5c+muJ1wf5Rkzr0hd43/zLeKBwfqZN90uMxRcXa/p 7nPgpUvA1k6T19+WMc7VlVNiKc5INNRiLipOBABom+uMVgMAAA== DLP-Filter: Pass X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id t0C8BbPm016448 I have rephrased part of the documentation for better readability. Some semantics is guessed so you may need to re-rephrase. Other than that, Acked-by: MyungJoo Ham > This patch adds the documentation for Exynos PPMU (Platform Performance > Monitoring Unit) devfreq-event driver. > > Cc: MyungJoo Ham > Cc: Kyungmin Park > Signed-off-by: Chanwoo Choi > --- > .../bindings/devfreq/event/exynos-ppmu.txt | 110 +++++++++++++++++++++ > 1 file changed, 110 insertions(+) > create mode 100644 Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt > > diff --git a/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt b/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt > new file mode 100644 > index 0000000..e665d30 > --- /dev/null > +++ b/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt > @@ -0,0 +1,110 @@ > + > +* Samsung Exynos PPMU (Performance Profiling Monitoring Unit) device > + > +The Samsung Exynos SoC have PPMU (Performance Profiling Monitoring Unit) for The Samsung Exynos SoC has PPMU (Performance Profiling Monitoring Unit) for (have->has) > +each IPs. PPMU provides the primitive values to get performance data. These each IP. PPMU provides primitive values to get performance data. (IPs->IP) > +events provide useful information about the behavior of the SoC that you can PPMU events provide information of the SoC's behaviors so that you may > +use when analyzing system performance, and made visible and can be counted use to analyze system performance, to make behaviors visible, and to count > +using login in each IP (DMC, CPU, RIGHTBUS, LEFTBUS, CAM interface, LCD, G3D, usages of each IP ( .... ) > +MFC). The Exynos PPMU driver use the devfreq-event class to provide event data use -> uses > +to various devfreq device. The devfreq device would use the event data when device -> devices > +derterming the current state of each IP. > + > +Required properties: > +- compatible: Should be "samsung,exynos-ppmu". > +- reg: physical base address of each PPMU and length of memory mapped region. > + > +Optional properties: > +- clock-names : the name of clock used by the PPMU, "ppmu" > +- clocks : phandles for clock specified in "clock-names" property > +- #clock-cells: should be 1. > + [] {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I