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2C-SKY Performance Monitor Units
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4
5C-SKY Performance Monitor is designed for ck807/ck810/ck860 SMP soc and
6it could count cpu's events for helping analysis performance issues.
7
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9PMU node bindings definition
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11
12	Description: Describes PMU
13
14	PROPERTIES
15
16	- compatible
17		Usage: required
18		Value type: <string>
19		Definition: must be "csky,csky-pmu"
20	- interrupts
21		Usage: required
22		Value type: <u32 IRQ_TYPE_XXX>
23		Definition: must be pmu irq num defined by soc
24	- count-width
25		Usage: optional
26		Value type: <u32>
27		Definition: the width of pmu counter
28
29Examples:
30---------
31#include <dt-bindings/interrupt-controller/irq.h>
32
33	pmu: performace-monitor {
34		compatible = "csky,csky-pmu";
35		interrupts = <23 IRQ_TYPE_EDGE_RISING>;
36		interrupt-parent = <&intc>;
37		count-width = <48>;
38        };
39