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>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index 1cdc346a05e8..8c43bd0715a9 100644
--- 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>;