ARM: mvebu: Enable Performance Monitor Unit on Armada XP/370 SoCs

The Armada 370 and XP SoCs have Cortex-A9 compatible CPUs, and with a
Performance Monitoring Unit.

Enable it so that we can have hardware-assisted perf support.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

diff --git a/arch/arm/boot/dts/armada-370-xp.dtsi b/arch/arm/boot/dts/armada-370-xp.dtsi
index 7b3393e264f81d93c3a90f1d982fbd26583310dd..ec96f0b3634653a5976739688eca9fd791eaba0b 100644 (file)
--- a/arch/arm/boot/dts/armada-370-xp.dtsi
+++ b/arch/arm/boot/dts/armada-370-xp.dtsi
@@ -73,6 +73,11 @@
                };
        };
 
+       pmu {
+               compatible = "arm,cortex-a9-pmu";
+               interrupts-extended = <&mpic 3>;
+       };
+
        soc {
                #address-cells = <2>;
                #size-cells = <1>;