ARM: mvebu: Enable Performance Monitor Unit on Armada 380/385 SoC

The Armada 380 and 385 SoCs have a Cortex-A9 CPU, so the PMU is available
to be used. This commit enables it in the devicetree.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
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-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index 1a2dc37..ed2dd8b 100644 (file)
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -63,6 +63,11 @@
                serial1 = &uart1;
        };
 
+       pmu {
+               compatible = "arm,cortex-a9-pmu";
+               interrupts-extended = <&mpic 3>;
+       };
+
        soc {
                compatible = "marvell,armada380-mbus", "simple-bus";
                #address-cells = <2>;