1f262f28cSChanwoo Choimenuconfig PM_DEVFREQ_EVENT 2f262f28cSChanwoo Choi bool "DEVFREQ-Event device Support" 3f262f28cSChanwoo Choi help 4f262f28cSChanwoo Choi The devfreq-event device provide the raw data and events which 5f262f28cSChanwoo Choi indicate the current state of devfreq-event device. The provided 6f262f28cSChanwoo Choi data from devfreq-event device is used to monitor the state of 7f262f28cSChanwoo Choi device and determine the suitable size of resource to reduce the 8f262f28cSChanwoo Choi wasted resource. 9f262f28cSChanwoo Choi 10f262f28cSChanwoo Choi The devfreq-event device can support the various type of events 11f262f28cSChanwoo Choi (e.g., raw data, utilization, latency, bandwidth). The events 12f262f28cSChanwoo Choi may be used by devfreq governor and other subsystem. 13f262f28cSChanwoo Choi 14f262f28cSChanwoo Choiif PM_DEVFREQ_EVENT 15f262f28cSChanwoo Choi 160179a913SChanwoo Choiconfig DEVFREQ_EVENT_EXYNOS_NOCP 1764cb7f67SPaul Gortmaker tristate "EXYNOS NoC (Network On Chip) Probe DEVFREQ event Driver" 18797da559SKrzysztof Kozlowski depends on ARCH_EXYNOS || COMPILE_TEST 190179a913SChanwoo Choi select PM_OPP 200179a913SChanwoo Choi help 210179a913SChanwoo Choi This add the devfreq-event driver for Exynos SoC. It provides NoC 220179a913SChanwoo Choi (Network on Chip) Probe counters to measure the bandwidth of AXI bus. 230179a913SChanwoo Choi 24f262f28cSChanwoo Choiconfig DEVFREQ_EVENT_EXYNOS_PPMU 25a63eb1a6SPaul Gortmaker tristate "EXYNOS PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver" 26797da559SKrzysztof Kozlowski depends on ARCH_EXYNOS || COMPILE_TEST 27f262f28cSChanwoo Choi select PM_OPP 28f262f28cSChanwoo Choi help 29f262f28cSChanwoo Choi This add the devfreq-event driver for Exynos SoC. It provides PPMU 30f262f28cSChanwoo Choi (Platform Performance Monitoring Unit) counters to estimate the 31f262f28cSChanwoo Choi utilization of each module. 32f262f28cSChanwoo Choi 33f262f28cSChanwoo Choiendif # PM_DEVFREQ_EVENT 34