1ae278a93SStephen Warrenconfig CLKSRC_OF 2ae278a93SStephen Warren bool 3ae278a93SStephen Warren 489c0b8e2SRussell Kingconfig CLKSRC_I8253 589c0b8e2SRussell King bool 6442c8176SRussell King 7e6220bdcSThomas Gleixnerconfig CLKEVT_I8253 8e6220bdcSThomas Gleixner bool 9e6220bdcSThomas Gleixner 1015f304b6SRalf Baechleconfig I8253_LOCK 1115f304b6SRalf Baechle bool 1215f304b6SRalf Baechle 1315f304b6SRalf Baechleconfig CLKBLD_I8253 14e6220bdcSThomas Gleixner def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 1515f304b6SRalf Baechle 16442c8176SRussell Kingconfig CLKSRC_MMIO 17442c8176SRussell King bool 1806c3df49SJamie Iles 1906c3df49SJamie Ilesconfig DW_APB_TIMER 2006c3df49SJamie Iles bool 21489bcceaSMattias Wallin 22cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 23cfda5901SDinh Nguyen bool 241b4eca0fSHeiko Stuebner select DW_APB_TIMER 2510021488SHeiko Stuebner select CLKSRC_OF 26cfda5901SDinh Nguyen 276fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 286fe9cbd1SGregory CLEMENT bool 297b0dd72aSJean Pihet select CLKSRC_OF 306fe9cbd1SGregory CLEMENT 310c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 320c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 330c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 340c1dcfd5SSebastian Hesselbarth bool 350c1dcfd5SSebastian Hesselbarth 36119fd635SMaxime Ripardconfig SUN4I_TIMER 37b2ac5d75SMaxime Ripard bool 38b2ac5d75SMaxime Ripard 39ff7ec345STony Priskconfig VT8500_TIMER 40ff7ec345STony Prisk bool 41ff7ec345STony Prisk 424f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 434f0f234fSMichal Simek bool 444f0f234fSMichal Simek 45694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 46694e33a7SLinus Walleij bool 47694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 48694e33a7SLinus Walleij select CLKSRC_MMIO 49694e33a7SLinus Walleij help 50694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 51694e33a7SLinus Walleij to multiple interrupt generating programmable 52694e33a7SLinus Walleij 32-bit free running decrementing counters. 53694e33a7SLinus Walleij 54694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 55694e33a7SLinus Walleij bool 56694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 57694e33a7SLinus Walleij help 58694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 59694e33a7SLinus Walleij 60489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 61489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 6229746f48SLinus Walleij depends on UX500_SOC_DB8500 63489bcceaSMattias Wallin default y 64489bcceaSMattias Wallin help 65489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 66489bcceaSMattias Wallin 67489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 68489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 69694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 70489bcceaSMattias Wallin default y 71489bcceaSMattias Wallin help 72489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 73985c0679SMarc Zyngier 74*9c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 75*9c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 76*9c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 77*9c9b7818SUwe Kleine-König default ARCH_EFM32 78*9c9b7818SUwe Kleine-König help 79*9c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 80*9c9b7818SUwe Kleine-König event device. 81*9c9b7818SUwe Kleine-König 828a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 838a4da6e3SMark Rutland bool 840583fe47SRob Herring select CLKSRC_OF if OF 85a2c5d4edSJames Hogan 86037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 87037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 88037f6377SWill Deacon default y if ARM_ARCH_TIMER 89037f6377SWill Deacon help 90037f6377SWill Deacon This option enables support for event stream generation based on 91037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 92037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 93037f6377SWill Deacon divisor of the clock rate. 94037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 95037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 96037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 97037f6377SWill Deacon event is not generated. 98037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 99037f6377SWill Deacon hardware anomalies of missing events. 100037f6377SWill Deacon 101c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 102c1b40e44SStuart Menefy bool 103c1b40e44SStuart Menefy select CLKSRC_OF if OF 104c1b40e44SStuart Menefy help 105c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 106c1b40e44SStuart Menefy 107c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 108c1b40e44SStuart Menefy bool 109c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 110c1b40e44SStuart Menefy default y 111c1b40e44SStuart Menefy help 112c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 113c1b40e44SStuart Menefy 114a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 115a2c5d4edSJames Hogan def_bool y if METAG 116a2c5d4edSJames Hogan help 117a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 1186938d75aSThomas Abraham 1196938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 1206938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 1216938d75aSThomas Abraham help 1226938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 123241a9871SArnd Bergmann 124f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 12577d84434STomasz Figa bool 126f1189989STomasz Figa help 127f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 128f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 129f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 130f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 131c1967249SJingchang Lu 132c1967249SJingchang Luconfig VF_PIT_TIMER 133c1967249SJingchang Lu bool 134c1967249SJingchang Lu help 135c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 136