The patch set adds system PMU support for i.MX8 DDR Perf. The sysfs location for userspace to get the PMU identifier under the directory: /sys/bus/event_source/devices/<PMU DEVICE>/identifier Joakim Zhang (3): perf/imx_ddr: Add system PMU identifier for userspace bindings/perf/imx-ddr: update compatible string arch: arm64: imx8mq/m/n: remove unused compatible string .../devicetree/bindings/perf/fsl-imx-ddr.txt | 4 +- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8mn.dtsi | 2 +- arch/arm64/boot/dts/freescale/imx8mq.dtsi | 2 +- drivers/perf/fsl_imx8_ddr_perf.c | 45 +++++++++++++++++-- 5 files changed, 48 insertions(+), 7 deletions(-) -- 2.17.1
