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| author | Leonard Crestez <leonard.crestez@nxp.com> | 2019-07-04 11:53:21 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2019-08-03 13:28:16 +0300 |
| commit | 1efe85c9056af0f20d8440a841bd89f4ec7ba735 (patch) | |
| tree | dbc9b23ec138456fa0ac02291fdf898cc37197ef | |
| parent | ef4c47ab888af4da0a3b52562a3e60ab93e7bded (diff) | |
| download | linux-1efe85c9056af0f20d8440a841bd89f4ec7ba735.tar.xz | |
arm64: dts: imx8m: Add ddr-pmu nodes
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>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm.dtsi | 7 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mq.dtsi | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index a4cefae9d0a6..7e92717823c6 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -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>; + }; }; }; diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi index 9b82e944c6c7..19805b15af21 100644 --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi @@ -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>; + }; }; }; |