On Tue, Feb 12, 2019 at 6:59 PM Frank Li <frank.li@xxxxxxx> wrote: > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > index 4c3dd95..243d7b3 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > @@ -79,6 +79,13 @@ > interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>; > }; > > + ddr_pmu0: ddr_pmu@5c020000 { It seems you ignored the commend I made in the previous version. Here it goes again: Underscores should not be used in node names. You could use pmu@5c020000 instead.