Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
39 lines
904 B
Plaintext
39 lines
904 B
Plaintext
===============================
|
|
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>;
|
|
};
|