1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyunmenuconfig PM_DEVFREQ_EVENT 3*4882a593Smuzhiyun bool "DEVFREQ-Event device Support" 4*4882a593Smuzhiyun help 5*4882a593Smuzhiyun The devfreq-event device provide the raw data and events which 6*4882a593Smuzhiyun indicate the current state of devfreq-event device. The provided 7*4882a593Smuzhiyun data from devfreq-event device is used to monitor the state of 8*4882a593Smuzhiyun device and determine the suitable size of resource to reduce the 9*4882a593Smuzhiyun wasted resource. 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun The devfreq-event device can support the various type of events 12*4882a593Smuzhiyun (e.g., raw data, utilization, latency, bandwidth). The events 13*4882a593Smuzhiyun may be used by devfreq governor and other subsystem. 14*4882a593Smuzhiyun 15*4882a593Smuzhiyunif PM_DEVFREQ_EVENT 16*4882a593Smuzhiyun 17*4882a593Smuzhiyunconfig DEVFREQ_EVENT_EXYNOS_NOCP 18*4882a593Smuzhiyun tristate "Exynos NoC (Network On Chip) Probe DEVFREQ event Driver" 19*4882a593Smuzhiyun depends on ARCH_EXYNOS || COMPILE_TEST 20*4882a593Smuzhiyun select PM_OPP 21*4882a593Smuzhiyun select REGMAP_MMIO 22*4882a593Smuzhiyun help 23*4882a593Smuzhiyun This add the devfreq-event driver for Exynos SoC. It provides NoC 24*4882a593Smuzhiyun (Network on Chip) Probe counters to measure the bandwidth of AXI bus. 25*4882a593Smuzhiyun 26*4882a593Smuzhiyunconfig DEVFREQ_EVENT_EXYNOS_PPMU 27*4882a593Smuzhiyun tristate "Exynos PPMU (Platform Performance Monitoring Unit) DEVFREQ event Driver" 28*4882a593Smuzhiyun depends on ARCH_EXYNOS || COMPILE_TEST 29*4882a593Smuzhiyun select PM_OPP 30*4882a593Smuzhiyun help 31*4882a593Smuzhiyun This add the devfreq-event driver for Exynos SoC. It provides PPMU 32*4882a593Smuzhiyun (Platform Performance Monitoring Unit) counters to estimate the 33*4882a593Smuzhiyun utilization of each module. 34*4882a593Smuzhiyun 35*4882a593Smuzhiyunconfig DEVFREQ_EVENT_ROCKCHIP_DFI 36*4882a593Smuzhiyun tristate "ROCKCHIP DFI DEVFREQ event Driver" 37*4882a593Smuzhiyun depends on ARCH_ROCKCHIP || COMPILE_TEST 38*4882a593Smuzhiyun help 39*4882a593Smuzhiyun This add the devfreq-event driver for Rockchip SoC. It provides DFI 40*4882a593Smuzhiyun (DDR Monitor Module) driver to count ddr load. 41*4882a593Smuzhiyun 42*4882a593Smuzhiyunconfig DEVFREQ_EVENT_ROCKCHIP_NOCP 43*4882a593Smuzhiyun tristate "ROCKCHIP NoC (Network On Chip) Probe DEVFREQ event Driver" 44*4882a593Smuzhiyun depends on ARCH_ROCKCHIP 45*4882a593Smuzhiyun help 46*4882a593Smuzhiyun This add the devfreq-event driver for Rockchip SoC. It provides NoC 47*4882a593Smuzhiyun (Network on Chip) Probe counters to monitor traffic statistics. 48*4882a593Smuzhiyun 49*4882a593Smuzhiyunendif # PM_DEVFREQ_EVENT 50