1 # SPDX-License-Identifier: GPL-2.0-only
2 menuconfig PM_DEVFREQ_EVENT
3 bool "DEVFREQ-Event device Support"
5 The devfreq-event device provide the raw data and events which
6 indicate the current state of devfreq-event device. The provided
7 data from devfreq-event device is used to monitor the state of
8 device and determine the suitable size of resource to reduce the
11 The devfreq-event device can support the various type of events
12 (e.g., raw data, utilization, latency, bandwidth). The events
13 may be used by devfreq governor and other subsystem.
17 config DEVFREQ_EVENT_EXYNOS_NOCP
18 tristate "Exynos NoC (Network On Chip) Probe DEVFREQ event Driver"
19 depends on ARCH_EXYNOS || COMPILE_TEST
23 This add the devfreq-event driver for Exynos SoC. It provides NoC
24 (Network on Chip) Probe counters to measure the bandwidth of AXI bus.
26 config DEVFREQ_EVENT_EXYNOS_PPMU
27 tristate "Exynos PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver"
28 depends on ARCH_EXYNOS || COMPILE_TEST
31 This add the devfreq-event driver for Exynos SoC. It provides PPMU
32 (Platform Performance Monitoring Unit) counters to estimate the
33 utilization of each module.
35 config DEVFREQ_EVENT_ROCKCHIP_DFI
36 tristate "ROCKCHIP DFI DEVFREQ event Driver"
37 depends on ARCH_ROCKCHIP || COMPILE_TEST
39 This add the devfreq-event driver for Rockchip SoC. It provides DFI
40 (DDR Monitor Module) driver to count ddr load.
42 endif # PM_DEVFREQ_EVENT