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 2069e67a06SAxel Lin select REGMAP_MMIO 210179a913SChanwoo Choi help 220179a913SChanwoo Choi This add the devfreq-event driver for Exynos SoC. It provides NoC 230179a913SChanwoo Choi (Network on Chip) Probe counters to measure the bandwidth of AXI bus. 240179a913SChanwoo Choi 25f262f28cSChanwoo Choiconfig DEVFREQ_EVENT_EXYNOS_PPMU 26a63eb1a6SPaul Gortmaker tristate "EXYNOS PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver" 27797da559SKrzysztof Kozlowski depends on ARCH_EXYNOS || COMPILE_TEST 28f262f28cSChanwoo Choi select PM_OPP 29f262f28cSChanwoo Choi help 30f262f28cSChanwoo Choi This add the devfreq-event driver for Exynos SoC. It provides PPMU 31f262f28cSChanwoo Choi (Platform Performance Monitoring Unit) counters to estimate the 32f262f28cSChanwoo Choi utilization of each module. 33f262f28cSChanwoo Choi 34b9d1262bSLin Huangconfig DEVFREQ_EVENT_ROCKCHIP_DFI 35b9d1262bSLin Huang tristate "ROCKCHIP DFI DEVFREQ event Driver" 36b9d1262bSLin Huang depends on ARCH_ROCKCHIP 37b9d1262bSLin Huang help 38b9d1262bSLin Huang This add the devfreq-event driver for Rockchip SoC. It provides DFI 39b9d1262bSLin Huang (DDR Monitor Module) driver to count ddr load. 40b9d1262bSLin Huang 41f262f28cSChanwoo Choiendif # PM_DEVFREQ_EVENT 42