On 24-03-16, 23:09, Finley Xiao wrote: > --- a/arch/arm64/boot/dts/rockchip/rk3366.dtsi > +++ b/arch/arm64/boot/dts/rockchip/rk3366.dtsi > + cpufreq { > + compatible = "***,***"; > + } > > Does it create a DT node for a dummy device too ? Yes, its not allowed. -- viresh