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- ===============================
- C-SKY Performance Monitor Units
- ===============================
- C-SKY Performance Monitor is designed for ck807/ck810/ck860 SMP soc and
- it could count cpu's events for helping analysis performance issues.
- ============================
- PMU node bindings definition
- ============================
- Description: Describes PMU
- PROPERTIES
- - compatible
- Usage: required
- Value type: <string>
- Definition: must be "csky,csky-pmu"
- - interrupts
- Usage: required
- Value type: <u32 IRQ_TYPE_XXX>
- Definition: must be pmu irq num defined by soc
- - count-width
- Usage: optional
- Value type: <u32>
- Definition: the width of pmu counter
- Examples:
- ---------
- #include <dt-bindings/interrupt-controller/irq.h>
- pmu: performace-monitor {
- compatible = "csky,csky-pmu";
- interrupts = <23 IRQ_TYPE_EDGE_RISING>;
- interrupt-parent = <&intc>;
- count-width = <48>;
- };
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