From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mischa Jonker Subject: [PATCH v3 2/2] ARC: Add documentation on DT binding for ARC700 PMU Date: Thu, 7 Nov 2013 14:55:12 +0100 Message-ID: <1383832512-21130-3-git-send-email-mjonker@synopsys.com> References: <1383832512-21130-1-git-send-email-mjonker@synopsys.com> Return-path: In-Reply-To: <1383832512-21130-1-git-send-email-mjonker-HKixBCOQz3hWk0Htik3J/w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Vineet.Gupta1-HKixBCOQz3hWk0Htik3J/w@public.gmane.org, mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org Cc: Mischa Jonker List-Id: devicetree@vger.kernel.org Signed-off-by: Mischa Jonker --- Documentation/devicetree/bindings/arc/pmu.txt | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/arc/pmu.txt diff --git a/Documentation/devicetree/bindings/arc/pmu.txt b/Documentation/devicetree/bindings/arc/pmu.txt new file mode 100644 index 0000000..49d5173 --- /dev/null +++ b/Documentation/devicetree/bindings/arc/pmu.txt @@ -0,0 +1,24 @@ +* ARC Performance Monitor Unit + +The ARC 700 can be configured with a pipeline performance monitor for counting +CPU and cache events like cache misses and hits. + +Note that: + * ARC 700 refers to a family of ARC processor cores; + - There is only one type of PMU available for the whole family; + - The PMU may support different sets of events; supported events are probed + at boot time, as required by the reference manual. + + * The ARC 700 PMU does not support interrupts; although HW events may be + counted, the HW events themselves cannot serve as a trigger for a sample. + +Required properties: + +- compatible : should contain + "snps,arc700-pmu" + +Example: + +pmu { + compatible = "snps,arc700-pmu"; +}; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html