arm: dts: mt7623: add a performance counter unit device node

Add ARM PMU device node to enable hardware perf events. Signed-off-by: Ryder Lee <ryder.lee@mediatek.com> Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
mariux64 · Sep 25, 2018 · 266c820 · 266c820
1 parent 5b394b2
commit 266c820
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
@@ -121,6 +121,15 @@
 		};
 	};
 
+	pmu {
+		compatible = "arm,cortex-a7-pmu";
+		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 5 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 6 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_SPI 7 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
+	};
+
 	system_clk: dummy13m {
 		compatible = "fixed-clock";
 		clock-frequency = <13000000>;