Commit cf26edd8 authored by Nickhu's avatar Nickhu Committed by Greentime Hu
Browse files

nds32: Add document for NDS32 PMU. 



The document for how to add NDS32 PMU
in devicetree.

Signed-off-by: default avatarNickhu <nickhu@andestech.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Acked-by: default avatarGreentime Hu <greentime@andestech.com>
Signed-off-by: default avatarGreentime Hu <greentime@andestech.com>
parent c8b34461

Documentation/devicetree/bindings/perf/nds32v3-pmu.txt

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* NDS32 Performance Monitor Units



NDS32 core have a PMU for counting cpu and cache events like cache misses.

The NDS32 PMU representation in the device tree should be done as under:



Required properties:



- compatible :

	"andestech,nds32v3-pmu"



- interrupts : The interrupt number for NDS32 PMU is 13.



Example:

pmu{

	compatible = "andestech,nds32v3-pmu";

	interrupts = <13>;

}

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