Add ARM PMU device node to enable hardware perf events.
Signed-off-by: Ryder Lee <ryder....@mediatek.com>
---
arch/arm/boot/dts/mt7623.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index 1cdc346..8c43bd0 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>;
--
1.9.1
