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feat(tc): add device tree binding for SPE

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Add node for Statistical Profiling Extension, which provides
periodic sampling of operations in the CPU pipeline and reports
this via the perf AUX interface.

Change-Id: Ic7a9d9ce927edbce02c7c09470a009dc56247240
Signed-off-by: Jagdish Gediya <jagdish.gediya@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
This commit is contained in:
Jagdish Gediya 2024-04-23 13:46:41 +01:00 • committed by Leo Yan
parent ebc991b3a1
commit 77080f6aaf
3 changed files with 24 additions and 0 deletions
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12
fdts/tc-base.dtsi
View file

@ -349,6 +349,18 @@
<GIC_PPI 10 IRQ_TYPE_LEVEL_LOW 0>;
};
spe-pmu-mid {
compatible = "arm,statistical-profiling-extension-v1";
interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_HIGH &ppi_partition_mid>;
status = "disabled";
};
spe-pmu-big {
compatible = "arm,statistical-profiling-extension-v1";
interrupts = <GIC_PPI 1 IRQ_TYPE_LEVEL_HIGH &ppi_partition_big>;
status = "disabled";
};
soc_refclk: refclk {
compatible = "fixed-clock";
#clock-cells = <0>;

4
fdts/tc2.dts
View file

@ -263,6 +263,10 @@
};
};
spe-pmu-big {
status = "okay";
};
smmu_700: iommu@3f000000 {
status = "okay";
};

8
fdts/tc3.dts
View file

@ -92,6 +92,14 @@
reg = <0x0 MCN_PMU_ADDR(3) 0x0 0xffc>;
};
spe-pmu-mid {
status = "okay";
};
spe-pmu-big {
status = "okay";
};
dsu-pmu {
compatible = "arm,dsu-pmu";
cpus = <&CPU0>, <&CPU1>, <&CPU2>, <&CPU3>, <&CPU4>, <&CPU5>, <&CPU6>, <&CPU7>;