1menuconfig PM_DEVFREQ_EVENT 2 bool "DEVFREQ-Event device Support" 3 help 4 The devfreq-event device provide the raw data and events which 5 indicate the current state of devfreq-event device. The provided 6 data from devfreq-event device is used to monitor the state of 7 device and determine the suitable size of resource to reduce the 8 wasted resource. 9 10 The devfreq-event device can support the various type of events 11 (e.g., raw data, utilization, latency, bandwidth). The events 12 may be used by devfreq governor and other subsystem. 13 14if PM_DEVFREQ_EVENT 15 16config DEVFREQ_EVENT_EXYNOS_PPMU 17 bool "EXYNOS PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver" 18 depends on ARCH_EXYNOS 19 select PM_OPP 20 help 21 This add the devfreq-event driver for Exynos SoC. It provides PPMU 22 (Platform Performance Monitoring Unit) counters to estimate the 23 utilization of each module. 24 25endif # PM_DEVFREQ_EVENT 26