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| author | Mihai Sain <mihai.sain@microchip.com> | 2026-03-24 10:09:27 +0300 |
|---|---|---|
| committer | Claudiu Beznea <claudiu.beznea@tuxon.dev> | 2026-03-24 16:35:37 +0300 |
| commit | 7d7a9fc1310a0ade8ea61c5eb4d8b29456f8d604 (patch) | |
| tree | b2d0b239465994b9db183a7473a3d638a804d590 | |
| parent | c52f2944492590c59599b0663f05611320efe441 (diff) | |
| download | linux-7d7a9fc1310a0ade8ea61c5eb4d8b29456f8d604.tar.xz | |
ARM: dts: microchip: sama7d65: add Cortex-A7 PMU node
Add the Performance Monitoring Unit (PMU) node with the appropriate
compatible string and interrupt line so that perf and other
PMU-based tooling can function correctly on this SoC.
[root@SAMA7D65 ~]$ dmesg | grep -i pmu
[ 1.487869] hw-perfevents: enabled with armv7_cortex_a7 PMU driver, 5 (8000000f) counters available
[root@SAMA7D65 ~]$ perf list hw
List of pre-defined events (to be used in -e or -M):
branch-instructions OR branches [Hardware event]
branch-misses [Hardware event]
bus-cycles [Hardware event]
cache-misses [Hardware event]
cache-references [Hardware event]
cpu-cycles OR cycles [Hardware event]
instructions [Hardware event]
Signed-off-by: Mihai Sain <mihai.sain@microchip.com>
Link: https://lore.kernel.org/r/20260324070927.1496-2-mihai.sain@microchip.com
[claudiu.beznea: keep nodes alphanumerically sorted]
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
| -rw-r--r-- | arch/arm/boot/dts/microchip/sama7d65.dtsi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi index 80cfdec42ec4..67253bbc08df 100644 --- a/arch/arm/boot/dts/microchip/sama7d65.dtsi +++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi @@ -67,6 +67,11 @@ #size-cells = <1>; }; + pmu { + compatible = "arm,cortex-a7-pmu"; + interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>; + }; + soc { compatible = "simple-bus"; ranges; |