The same ddr perfomance counter IP from 8qxp is also available on imx8m series so add it to dts. Tested with `perf stat` and `memtester` on imx8mm-evk and obtained plausible results. Signed-off-by: Leonard Crestez <leonard.crestez@xxxxxxx> --- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 7 +++++++ arch/arm64/boot/dts/freescale/imx8mq.dtsi | 7 +++++++ 2 files changed, 14 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index 232a7412755a..9a8d8cd21ef0 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -816,7 +816,14 @@ <0x38880000 0xc0000>; /* GICR (RD_base + SGI_base) */ #interrupt-cells = <3>; interrupt-controller; interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; }; + + ddr-pmu@3d800000 { + compatible = "fsl,imx8mm-ddr-pmu", "fsl,imx8m-ddr-pmu"; + reg = <0x3d800000 0x400000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; + }; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index d09b808eff87..fb0fdee5f889 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -1031,7 +1031,14 @@ #interrupt-cells = <3>; interrupt-controller; interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>; interrupt-parent = <&gic>; }; + + ddr-pmu@3d800000 { + compatible = "fsl,imx8mq-ddr-pmu", "fsl,imx8m-ddr-pmu"; + reg = <0x3d800000 0x400000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>; + }; }; }; -- 2.17.1