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 4067905540SMaxime Ripardconfig SUN5I_HSTIMER 4167905540SMaxime Ripard select CLKSRC_MMIO 4267905540SMaxime Ripard bool 4367905540SMaxime Ripard 44ff7ec345STony Priskconfig VT8500_TIMER 45ff7ec345STony Prisk bool 46ff7ec345STony Prisk 474f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 484f0f234fSMichal Simek bool 494f0f234fSMichal Simek 50694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 51694e33a7SLinus Walleij bool 52694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 53694e33a7SLinus Walleij select CLKSRC_MMIO 54694e33a7SLinus Walleij help 55694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 56694e33a7SLinus Walleij to multiple interrupt generating programmable 57694e33a7SLinus Walleij 32-bit free running decrementing counters. 58694e33a7SLinus Walleij 59694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 60694e33a7SLinus Walleij bool 61694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 62694e33a7SLinus Walleij help 63694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 64694e33a7SLinus Walleij 65489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 66489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 6729746f48SLinus Walleij depends on UX500_SOC_DB8500 68489bcceaSMattias Wallin default y 69489bcceaSMattias Wallin help 70489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 71489bcceaSMattias Wallin 72489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 73489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 74694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 75489bcceaSMattias Wallin default y 76489bcceaSMattias Wallin help 77489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 78985c0679SMarc Zyngier 799c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 809c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 819c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 8209ca2757SAxel Lin select CLKSRC_MMIO 839c9b7818SUwe Kleine-König default ARCH_EFM32 849c9b7818SUwe Kleine-König help 859c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 869c9b7818SUwe Kleine-König event device. 879c9b7818SUwe Kleine-König 888a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 898a4da6e3SMark Rutland bool 900583fe47SRob Herring select CLKSRC_OF if OF 91a2c5d4edSJames Hogan 92037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 93037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 94037f6377SWill Deacon default y if ARM_ARCH_TIMER 9577f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 96037f6377SWill Deacon help 97037f6377SWill Deacon This option enables support for event stream generation based on 98037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 99037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 100037f6377SWill Deacon divisor of the clock rate. 101037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 102037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 103037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 104037f6377SWill Deacon event is not generated. 105037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 106037f6377SWill Deacon hardware anomalies of missing events. 107037f6377SWill Deacon 108c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 109c1b40e44SStuart Menefy bool 110c1b40e44SStuart Menefy select CLKSRC_OF if OF 111c1b40e44SStuart Menefy help 112c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 113c1b40e44SStuart Menefy 114c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 115c1b40e44SStuart Menefy bool 116c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 117c1b40e44SStuart Menefy default y 118c1b40e44SStuart Menefy help 119c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 120c1b40e44SStuart Menefy 121a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 122a2c5d4edSJames Hogan def_bool y if METAG 123a2c5d4edSJames Hogan help 124a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 1256938d75aSThomas Abraham 1266938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 1276938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 1286938d75aSThomas Abraham help 1296938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 130241a9871SArnd Bergmann 131f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 13277d84434STomasz Figa bool 133f1189989STomasz Figa help 134f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 135f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 136f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 137f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 138c1967249SJingchang Lu 139c1967249SJingchang Luconfig VF_PIT_TIMER 140c1967249SJingchang Lu bool 141c1967249SJingchang Lu help 142c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 143fd3f1270SMagnus Damm 144fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 145fd3f1270SMagnus Damm bool 146fd3f1270SMagnus Damm 147fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 148fd3f1270SMagnus Damm bool 149fd3f1270SMagnus Damm 150fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 151fd3f1270SMagnus Damm bool 152fd3f1270SMagnus Damm 153fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 154fd3f1270SMagnus Damm bool 155fd3f1270SMagnus Damm 156fd3f1270SMagnus Dammconfig SH_TIMER_CMT 157fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 15887291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 159fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 160fd3f1270SMagnus Damm help 161fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 162fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 163fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 164fd3f1270SMagnus Damm 165fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 166fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 16787291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 168fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 169fd3f1270SMagnus Damm help 170fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 171fd3f1270SMagnus Damm Timer Pulse Unit 2 (TMU2) hardware available on SoCs from Renesas. 172fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 173fd3f1270SMagnus Damm 174fd3f1270SMagnus Dammconfig SH_TIMER_TMU 175fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 17687291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 177fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 178fd3f1270SMagnus Damm help 179fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 180fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 181fd3f1270SMagnus Damm SoCs from Renesas. 182fd3f1270SMagnus Damm 183fd3f1270SMagnus Dammconfig EM_TIMER_STI 184fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 18587291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 186fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 187fd3f1270SMagnus Damm help 188fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 189fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 190fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 191