From 30fdd373f24cc50e250c71a6e2df89505e267804 Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Wed, 15 Apr 2015 16:35:38 +0530 Subject: ARC: perf: Rename DT binding to not confuse with power mgmt Signed-off-by: Vineet Gupta --- Documentation/devicetree/bindings/arc/pct.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/arc/pct.txt (limited to 'Documentation/devicetree/bindings/arc/pct.txt') diff --git a/Documentation/devicetree/bindings/arc/pct.txt b/Documentation/devicetree/bindings/arc/pct.txt new file mode 100644 index 000000000000..7b9588444f20 --- /dev/null +++ b/Documentation/devicetree/bindings/arc/pct.txt @@ -0,0 +1,20 @@ +* ARC Performance Counters + +The ARC700 can be configured with a pipeline performance monitor for counting +CPU and cache events like cache misses and hits. Like conventional PCT there +are 100+ hardware conditions dynamically mapped to upto 32 counters + +Note that: + * The ARC 700 PCT 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-pct" + +Example: + +pmu { + compatible = "snps,arc700-pct"; +}; -- cgit v1.2.3-59-g8ed1b