[PATCH] dts: arm: add arm-pmu node for exynos4412

[Chanho Park]

The Exynos4412 has 4 cpus and each has a performance counter.
Thus, we should define 4 interrupts which are combined by irq-combiner for arm
pmu.

Signed-off-by: Chanho Park <chanho61.park at samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
---
 arch/arm/boot/dts/exynos4412.dtsi |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index e743e67..cfad655 100644
--- 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 at 10050000 {
 		compatible = "samsung,exynos4412-mct";
 		reg = <0x10050000 0x800>;
-- 
1.7.9.5