dts: arm: add arm-pmu node for exynos4412

This patch enables arm-pmu node of exynos4412. It has 4 cpus. Thus, it also
has 4 performance counter.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>

diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index 270b389..2f4ca6f 100644 (file)
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -35,6 +35,12 @@
                             <0 107 0>, <0 108 0>, <0 48 0>, <0 42 0>;
        };
 
+       pmu {
+               compatible = "arm,cortex-a9-pmu";
+               interrupt-parent = <&combiner>;
+               interrupts = <2 2>, <3 2>, <18 2>, <19 2>;
+       };
+
        mct@10050000 {
                compatible = "samsung,exynos4412-mct";
                reg = <0x10050000 0x800>;