ARM: dts: meson8b: add the cortex-a5-pmu compatible PMU

Enable the performance monitor unit on Meson8b.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

arch/arm/boot/dts/meson8b.dtsi

@@ -55,7 +55,7 @@ cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu@200 {
+		cpu0: cpu@200 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a5";
 			next-level-cache = <&L2>;
@@ -64,7 +64,7 @@ cpu@200 {
 			resets = <&clkc CLKC_RESET_CPU0_SOFT_RESET>;
 		};
 
-		cpu@201 {
+		cpu1: cpu@201 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a5";
 			next-level-cache = <&L2>;
@@ -73,7 +73,7 @@ cpu@201 {
 			resets = <&clkc CLKC_RESET_CPU1_SOFT_RESET>;
 		};
 
-		cpu@202 {
+		cpu2: cpu@202 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a5";
 			next-level-cache = <&L2>;
@@ -82,7 +82,7 @@ cpu@202 {
 			resets = <&clkc CLKC_RESET_CPU2_SOFT_RESET>;
 		};
 
-		cpu@203 {
+		cpu3: cpu@203 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a5";
 			next-level-cache = <&L2>;
@@ -92,6 +92,15 @@ cpu@203 {
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a5-pmu";
+		interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
 	reserved-memory {
 		#address-cells = <1>;
 		#size-cells = <1>;