Commit 2016e211 authored Nov 21, 2022 by Jiucheng Xu Committed by Will Deacon Nov 21, 2022

perf/amlogic: Add support for Amlogic meson G12 SoC DDR PMU driver



Add support for Amlogic Meson G12 Series SOC - DDR bandwidth PMU driver
framework and interfaces. The PMU can not only monitor the total DDR
bandwidth, but also individual IP module bandwidth.

Signed-off-by: Jiucheng Xu <jiucheng.xu@amlogic.com>
Tested-by: Chris Healy <healych@amazon.com>
Link: https://lore.kernel.org/r/20221121021602.3306998-1-jiucheng.xu@amlogic.com


Signed-off-by: Will Deacon <will@kernel.org>

parent dcc7f001

MAINTAINERS

+8 −0

Original line number	Diff line number	Diff line
		@@ -1093,6 +1093,14 @@ S: Maintained
		F: Documentation/hid/amd-sfh*
		F: drivers/hid/amd-sfh-hid/

		AMLOGIC DDR PMU DRIVER
		M: Jiucheng Xu <jiucheng.xu@amlogic.com>
		L: linux-amlogic@lists.infradead.org
		S: Supported
		W: http://www.amlogic.com
		F: drivers/perf/amlogic/
		F: include/soc/amlogic/

		AMPHION VPU CODEC V4L2 DRIVER
		M: Ming Qian <ming.qian@nxp.com>
		M: Shijie Qin <shijie.qin@nxp.com>

drivers/perf/Kconfig

+2 −0

Original line number	Diff line number	Diff line
		@@ -201,4 +201,6 @@ config MARVELL_CN10K_DDR_PMU

		source "drivers/perf/arm_cspmu/Kconfig"

		source "drivers/perf/amlogic/Kconfig"

		endmenu

drivers/perf/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -22,3 +22,4 @@ obj-$(CONFIG_MARVELL_CN10K_DDR_PMU) += marvell_cn10k_ddr_pmu.o
		obj-$(CONFIG_APPLE_M1_CPU_PMU) += apple_m1_cpu_pmu.o
		obj-$(CONFIG_ALIBABA_UNCORE_DRW_PMU) += alibaba_uncore_drw_pmu.o
		obj-$(CONFIG_ARM_CORESIGHT_PMU_ARCH_SYSTEM_PMU) += arm_cspmu/
		obj-$(CONFIG_MESON_DDR_PMU) += amlogic/

drivers/perf/amlogic/Kconfig

0 → 100644

+10 −0

Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: GPL-2.0-only
		config MESON_DDR_PMU
		tristate "Amlogic DDR Bandwidth Performance Monitor"
		depends on ARCH_MESON \|\| COMPILE_TEST
		help
		Provides support for the DDR performance monitor
		in Amlogic SoCs, which can give information about
		memory throughput and other related events. It
		supports multiple channels to monitor the memory
		bandwidth simultaneously.

drivers/perf/amlogic/Makefile

0 → 100644

+5 −0

Original line number	Diff line number	Diff line
		# SPDX-License-Identifier: GPL-2.0-only

		obj-$(CONFIG_MESON_DDR_PMU) += meson_ddr_pmu_g12.o

		meson_ddr_pmu_g12-y := meson_ddr_pmu_core.o meson_g12_ddr_pmu.o