1# SPDX-License-Identifier: GPL-2.0-only 2menuconfig PM_DEVFREQ_EVENT 3 bool "DEVFREQ-Event device Support" 4 help 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 9 wasted resource. 10 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. 14 15if PM_DEVFREQ_EVENT 16 17config DEVFREQ_EVENT_EXYNOS_NOCP 18 tristate "Exynos NoC (Network On Chip) Probe DEVFREQ event Driver" 19 depends on ARCH_EXYNOS || COMPILE_TEST 20 select PM_OPP 21 select REGMAP_MMIO 22 help 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. 25 26config DEVFREQ_EVENT_EXYNOS_PPMU 27 tristate "Exynos PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver" 28 depends on ARCH_EXYNOS || COMPILE_TEST 29 select PM_OPP 30 help 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. 34 35config DEVFREQ_EVENT_ROCKCHIP_DFI 36 tristate "ROCKCHIP DFI DEVFREQ event Driver" 37 depends on ARCH_ROCKCHIP || COMPILE_TEST 38 help 39 This add the devfreq-event driver for Rockchip SoC. It provides DFI 40 (DDR Monitor Module) driver to count ddr load. 41 42endif # PM_DEVFREQ_EVENT 43