arm64: dts: qcom: msm8994: Add pmu node

Add the CPU PMU to get perf support for hardware events.

Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
Link: https://lore.kernel.org/r/20200623224813.297077-9-konradybcio@gmail.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/msm8994.dtsi b/arch/arm64/boot/dts/qcom/msm8994.dtsi
index 8aee7f1..25b1562 100644 (file)
--- a/arch/arm64/boot/dts/qcom/msm8994.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8994.dtsi
@@ -148,6 +148,11 @@
                reg = <0 0 0 0>;
        };
 
+       pmu {
+               compatible = "arm,cortex-a53-pmu";
+               interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4)| IRQ_TYPE_LEVEL_HIGH)>;
+       };
+
        reserved-memory {
                #address-cells = <2>;
                #size-cells = <2>;