On Sun, Sep 27, 2020 at 05:47:42PM +0800, Jacky Bai wrote: > Add PMU node to enable pmu support on imx8mn. > > Signed-off-by: Jacky Bai <ping.bai@xxxxxxx> > --- > arch/arm64/boot/dts/freescale/imx8mn.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > index 746faf1cf2fb..589835d78727 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi > @@ -186,6 +186,14 @@ clk_ext4: clock-ext4 { > clock-output-names = "clk_ext4"; > }; > > + pmu { > + compatible = "arm,armv8-pmuv3"; > + interrupts = <GIC_PPI 7 > + (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_HIGH)>; The same as in 1/2 - unusual value for GIC_CPU_MASK_SIMPLE. There are four cores on Nano. Best regards, Krzysztof