Dear Myungjoo, On 01/12/2015 05:11 PM, MyungJoo Ham wrote: > > 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 <myungjoo.ham@xxxxxxxxxxx> OK, I'll fix them according to your below comment. Best Regards, Chanwoo Choi > > >> This patch adds the documentation for Exynos PPMU (Platform Performance >> Monitoring Unit) devfreq-event driver. >> >> Cc: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx> >> Cc: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> >> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx> >> --- >> .../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. >> + > > [] > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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