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 3771c568c0SMaxime Ripard select CLKSRC_MMIO 38b2ac5d75SMaxime Ripard bool 39b2ac5d75SMaxime Ripard 40ff7ec345STony Priskconfig VT8500_TIMER 41ff7ec345STony Prisk bool 42ff7ec345STony Prisk 434f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 444f0f234fSMichal Simek bool 454f0f234fSMichal Simek 46694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 47694e33a7SLinus Walleij bool 48694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 49694e33a7SLinus Walleij select CLKSRC_MMIO 50694e33a7SLinus Walleij help 51694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 52694e33a7SLinus Walleij to multiple interrupt generating programmable 53694e33a7SLinus Walleij 32-bit free running decrementing counters. 54694e33a7SLinus Walleij 55694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 56694e33a7SLinus Walleij bool 57694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 58694e33a7SLinus Walleij help 59694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 60694e33a7SLinus Walleij 61489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 62489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 6329746f48SLinus Walleij depends on UX500_SOC_DB8500 64489bcceaSMattias Wallin default y 65489bcceaSMattias Wallin help 66489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 67489bcceaSMattias Wallin 68489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 69489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 70694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 71489bcceaSMattias Wallin default y 72489bcceaSMattias Wallin help 73489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 74985c0679SMarc Zyngier 759c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 769c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 779c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 78*09ca2757SAxel Lin select CLKSRC_MMIO 799c9b7818SUwe Kleine-König default ARCH_EFM32 809c9b7818SUwe Kleine-König help 819c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 829c9b7818SUwe Kleine-König event device. 839c9b7818SUwe Kleine-König 848a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 858a4da6e3SMark Rutland bool 860583fe47SRob Herring select CLKSRC_OF if OF 87a2c5d4edSJames Hogan 88037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 89037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 90037f6377SWill Deacon default y if ARM_ARCH_TIMER 9177f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 92037f6377SWill Deacon help 93037f6377SWill Deacon This option enables support for event stream generation based on 94037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 95037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 96037f6377SWill Deacon divisor of the clock rate. 97037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 98037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 99037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 100037f6377SWill Deacon event is not generated. 101037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 102037f6377SWill Deacon hardware anomalies of missing events. 103037f6377SWill Deacon 104c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 105c1b40e44SStuart Menefy bool 106c1b40e44SStuart Menefy select CLKSRC_OF if OF 107c1b40e44SStuart Menefy help 108c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 109c1b40e44SStuart Menefy 110c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 111c1b40e44SStuart Menefy bool 112c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 113c1b40e44SStuart Menefy default y 114c1b40e44SStuart Menefy help 115c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 116c1b40e44SStuart Menefy 117a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 118a2c5d4edSJames Hogan def_bool y if METAG 119a2c5d4edSJames Hogan help 120a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 1216938d75aSThomas Abraham 1226938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 1236938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 1246938d75aSThomas Abraham help 1256938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 126241a9871SArnd Bergmann 127f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 12877d84434STomasz Figa bool 129f1189989STomasz Figa help 130f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 131f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 132f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 133f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 134c1967249SJingchang Lu 135c1967249SJingchang Luconfig VF_PIT_TIMER 136c1967249SJingchang Lu bool 137c1967249SJingchang Lu help 138c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 139