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arm64: dts: imx8m: Add ddr-pmu nodes

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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@nxp.com>
Acked-by: Frank Li <frank.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Leonard Crestez 2019-07-04 11:53:21 +03:00 committed by Shawn Guo
parent ef4c47ab88
commit 1efe85c905
2 changed files with 14 additions and 0 deletions
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7
arch/arm64/boot/dts/freescale/imx8mm.dtsi
View File

@ -831,5 +831,12 @@
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>;
};
};
};

7
arch/arm64/boot/dts/freescale/imx8mq.dtsi
View File

@ -1051,5 +1051,12 @@
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>;
};
};
};