Add ARM PMU device node to enable hardware perf events. Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx> --- 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