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Thu, 18 Apr 2019 13:38:53 +0000 (GMT) From: Lukasz Luba To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: b.zolnierkie@samsung.com, krzk@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, cw00.choi@samsung.com, kyungmin.park@samsung.com, m.szyprowski@samsung.com, s.nawrocki@samsung.com, myungjoo.ham@samsung.com, kgene@kernel.org, l.luba@partner.samsung.com, willy.mh.wolff.ml@gmail.com Subject: [PATCH v2 3/4] Documentation: devicetree: add PPMU events description Date: Thu, 18 Apr 2019 15:38:31 +0200 Message-Id: <1555594712-18341-4-git-send-email-l.luba@partner.samsung.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1555594712-18341-1-git-send-email-l.luba@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA0VSbUhTURju7O7uXs3FdUa+qRiuwjLSpKATmmQFXcsfQtCHSbX0YuJmtqum mTSbpZNMCUuRcvlRylCquWyaLnJDJdFpWVYifdinsyg1UQPNuVn/nvf5OM97DocmJAbSi05I SuGUSTK5VOQqbGyftm78kWWM2aT6tA3fL71L4oGJLyTWWnpIXDhsI7DVeo/C3RdGKfxG5YP1 wy9J/Lz5hgiPF1gQLrWaBLjeMkTh2wN9AjyYXSvCF1stFDaP5pJ4svMD2uHO1pXXIbapbIhi 9TqNiG2oPs8++dEiYK8YdIgd1/tGUdGuoXGcPCGNUwaFHXc9OdViQ8nFS9NLKiopFdK75CMX GpgtkF3VifKRKy1hahGoh0yUY5hAoCnSOIdxBE/fjooWI4XtBSKHUIOgUztG/ov0VBYS+Yim RUwgGHWn7YHlTBWCSXO03UMwdwRgUo8J7IIHEwXq8gGR3S9k1sKjud12WszsBWttI+ko84XX PRrCjl2YfTDRbFroAqadgge2XOdGu2HQUu8MeMBIh4FyYB+Ya9IKHJgHVUEFcuBzMFx40+kJ AXNHH2nfgWDWw93mIAcdDr1/ihauAswyePXd3U4T8/BqY4mTFkPeJYnDvQ4Ml3udRSugpu66 83AWzC/0zjcsR9CtqSKL0Kqy/2W3ENIhTy6VV8RzfHASdyaQlyn41KT4wNhTCj2a/0tdsx1j RvT72Yk2xNBI6iaGBGOMhJSl8RmKNgQ0IV0uDo8zxEjEcbKMs5zy1DFlqpzj25A3LZR6ijOX vDsiYeJlKVwixyVzykVVQLt4qdC6X7ZBUxOr7Y+KXTmz/14r+dAnuA9PhhwlIzfseu/un3dQ 1cB1KXJbzDB1aM2Mauvj0cmKyjad/nOmPKXB5u0ftOpdpEFNxczuJL/mVyeav4VeiziQdVi5 Z7Xcrfojr/YTpvf7aXMitnu8LzNOh/3EJdqAbmtO7Izfg80jacVSIX9SFhxAKHnZX0l5XUNH AwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprKIsWRmVeSWpSXmKPExsVy+t/xe7rvanfEGNzp5bLYOGM9q8X1L89Z LeYfOcdq0f/4NbPF+fMb2C3ONr1ht7jVIGOx6fE1VovLu+awWXzuPcJoMeP8PiaLtUfuslss vX6RyeJ24wo2i9a9R9gtDr9pZ7X4duIRo4Ogx5p5axg9ds66y+6xaVUnm8fmJfUeB9/tYfLo 27KK0ePzJrkA9ig9m6L80pJUhYz84hJbpWhDCyM9Q0sLPSMTSz1DY/NYKyNTJX07m5TUnMyy 1CJ9uwS9jB97XjMWTOGumL5wEXsD4ybOLkZODgkBE4n+Y71sILaQwFJGiZmTAyDiYhKT9m1n h7CFJf5c64Kq+cQo8W1WWhcjBwebgJ7EjlWFXYxcHCICyxkljq16ywziMAtsY5LYc2U3I0iD sICfxNHd31lAGlgEVCV2/3cBCfMKeEmcX7GNFWK+nMTNc53MIDangLfEl137WCF2eUns2/GD ZQIj3wJGhlWMIqmlxbnpucVGesWJucWleel6yfm5mxiBUbLt2M8tOxi73gUfYhTgYFTi4ZXI 3BEjxJpYVlyZe4hRgoNZSYTXMWVLjBBvSmJlVWpRfnxRaU5q8SFGU6CbJjJLiSbnAyM4ryTe 0NTQ3MLS0NzY3NjMQkmc97xBZZSQQHpiSWp2ampBahFMHxMHp1QDI6vLGt6Fi+Xfb1i9OSZp rsq1bwz8Drw/u09VLtKQklQxXHv3O0tmonqvXWLg6yBjng++IZuO+01p/6zXGK9jvUqpQc57 3bHbsVKnxFnYlPlf36q+erG8ezfj09NLHvv8eeo7w6P8T1q8YOWeS3XGK+ev/zk7YXVgamXa c++fHzuzdszV4GsrVGIpzkg01GIuKk4EAGjjQUioAgAA X-CMS-MailID: 20190418133854eucas1p11bd927755163f0030a1748a023099a06 X-Msg-Generator: CA X-RootMTR: 20190418133854eucas1p11bd927755163f0030a1748a023099a06 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190418133854eucas1p11bd927755163f0030a1748a023099a06 References: <1555594712-18341-1-git-send-email-l.luba@partner.samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Extend the documenation by events description with new 'event-data-type' field. Add example how the event might be defined in DT. Signed-off-by: Lukasz Luba --- .../devicetree/bindings/devfreq/event/exynos-ppmu.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt b/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt index 3e36c1d..47feb5f 100644 --- a/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt +++ b/Documentation/devicetree/bindings/devfreq/event/exynos-ppmu.txt @@ -145,3 +145,21 @@ Example3 : PPMUv2 nodes in exynos5433.dtsi are listed below. reg = <0x104d0000 0x2000>; status = "disabled"; }; + +The 'event' type specified in the PPMU node defines 'event-name' +which also contains 'id' number and optionally 'event-data-type'. + +Example: + + events { + ppmu_leftbus_0: ppmu-event0-leftbus { + event-name = "ppmu-event0-leftbus"; + event-data-type = ; + }; + }; + +The 'event-data-type' defines the type of data which shell be counted +by the counter. You can check include/dt-bindings/pmu/exynos_ppmu.h for +all possible type, i.e. count read requests, count write data in bytes, +etc. This field is optional and when it is missing, the driver code will +use default data type.