158394271SJean Delvaremenu "Clock Source drivers" 258394271SJean Delvare 3ae278a93SStephen Warrenconfig CLKSRC_OF 4ae278a93SStephen Warren bool 5ae278a93SStephen Warren 689c0b8e2SRussell Kingconfig CLKSRC_I8253 789c0b8e2SRussell King bool 8442c8176SRussell King 9e6220bdcSThomas Gleixnerconfig CLKEVT_I8253 10e6220bdcSThomas Gleixner bool 11e6220bdcSThomas Gleixner 1215f304b6SRalf Baechleconfig I8253_LOCK 1315f304b6SRalf Baechle bool 1415f304b6SRalf Baechle 1515f304b6SRalf Baechleconfig CLKBLD_I8253 16e6220bdcSThomas Gleixner def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 1715f304b6SRalf Baechle 18442c8176SRussell Kingconfig CLKSRC_MMIO 19442c8176SRussell King bool 2006c3df49SJamie Iles 2106c3df49SJamie Ilesconfig DW_APB_TIMER 2206c3df49SJamie Iles bool 23489bcceaSMattias Wallin 24cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 25cfda5901SDinh Nguyen bool 261b4eca0fSHeiko Stuebner select DW_APB_TIMER 2710021488SHeiko Stuebner select CLKSRC_OF 28cfda5901SDinh Nguyen 296fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 306fe9cbd1SGregory CLEMENT bool 317b0dd72aSJean Pihet select CLKSRC_OF 326fe9cbd1SGregory CLEMENT 33e4a6b378SCarlo Caioneconfig MESON6_TIMER 34e4a6b378SCarlo Caione bool 357b6b0a45SBeniamino Galvani select CLKSRC_MMIO 36e4a6b378SCarlo Caione 370c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 380c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 390c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 400c1dcfd5SSebastian Hesselbarth bool 410c1dcfd5SSebastian Hesselbarth 42119fd635SMaxime Ripardconfig SUN4I_TIMER 4371c568c0SMaxime Ripard select CLKSRC_MMIO 44b2ac5d75SMaxime Ripard bool 45b2ac5d75SMaxime Ripard 4667905540SMaxime Ripardconfig SUN5I_HSTIMER 4767905540SMaxime Ripard select CLKSRC_MMIO 4867905540SMaxime Ripard bool 4967905540SMaxime Ripard 50*910978e7SThierry Redingconfig TEGRA_TIMER 51*910978e7SThierry Reding bool 52*910978e7SThierry Reding 53ff7ec345STony Priskconfig VT8500_TIMER 54ff7ec345STony Prisk bool 55ff7ec345STony Prisk 564f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 574f0f234fSMichal Simek bool 584f0f234fSMichal Simek 59694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 60694e33a7SLinus Walleij bool 61694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 62694e33a7SLinus Walleij select CLKSRC_MMIO 63694e33a7SLinus Walleij help 64694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 65694e33a7SLinus Walleij to multiple interrupt generating programmable 66694e33a7SLinus Walleij 32-bit free running decrementing counters. 67694e33a7SLinus Walleij 68694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 69694e33a7SLinus Walleij bool 70694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 71694e33a7SLinus Walleij help 72694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 73694e33a7SLinus Walleij 74489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 75489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 7629746f48SLinus Walleij depends on UX500_SOC_DB8500 77489bcceaSMattias Wallin default y 78489bcceaSMattias Wallin help 79489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 80489bcceaSMattias Wallin 81489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 82489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 83694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 84489bcceaSMattias Wallin default y 85489bcceaSMattias Wallin help 86489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 87985c0679SMarc Zyngier 889c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 899c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 909c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 9109ca2757SAxel Lin select CLKSRC_MMIO 929c9b7818SUwe Kleine-König default ARCH_EFM32 939c9b7818SUwe Kleine-König help 949c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 959c9b7818SUwe Kleine-König event device. 969c9b7818SUwe Kleine-König 978a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 988a4da6e3SMark Rutland bool 990583fe47SRob Herring select CLKSRC_OF if OF 100a2c5d4edSJames Hogan 101037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 102037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 103037f6377SWill Deacon default y if ARM_ARCH_TIMER 10477f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 105037f6377SWill Deacon help 106037f6377SWill Deacon This option enables support for event stream generation based on 107037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 108037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 109037f6377SWill Deacon divisor of the clock rate. 110037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 111037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 112037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 113037f6377SWill Deacon event is not generated. 114037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 115037f6377SWill Deacon hardware anomalies of missing events. 116037f6377SWill Deacon 117c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 118c1b40e44SStuart Menefy bool 119c1b40e44SStuart Menefy select CLKSRC_OF if OF 120c1b40e44SStuart Menefy help 121c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 122c1b40e44SStuart Menefy 123c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 124c1b40e44SStuart Menefy bool 125c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 126c1b40e44SStuart Menefy default y 127c1b40e44SStuart Menefy help 128c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 129c1b40e44SStuart Menefy 130b052ff30SMaxime Ripardconfig ATMEL_PIT 131b052ff30SMaxime Ripard select CLKSRC_OF if OF 132b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 133b052ff30SMaxime Ripard 134a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 135a2c5d4edSJames Hogan def_bool y if METAG 136a2c5d4edSJames Hogan help 137a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 1386938d75aSThomas Abraham 1396938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 1406938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 1413252a646SDoug Anderson depends on !ARM64 1426938d75aSThomas Abraham help 1436938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 144241a9871SArnd Bergmann 145f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 14677d84434STomasz Figa bool 147f1189989STomasz Figa help 148f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 149f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 150f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 151f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 152c1967249SJingchang Lu 1532529c3a3SXiubo Liconfig FSL_FTM_TIMER 1542529c3a3SXiubo Li bool 1552529c3a3SXiubo Li help 1562529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 1572529c3a3SXiubo Li 158c1967249SJingchang Luconfig VF_PIT_TIMER 159c1967249SJingchang Lu bool 160c1967249SJingchang Lu help 161c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 162fd3f1270SMagnus Damm 163fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 164fd3f1270SMagnus Damm bool 165fd3f1270SMagnus Damm 166ecb3530dSMatthias Bruggerconfig MTK_TIMER 167ecb3530dSMatthias Brugger select CLKSRC_OF 168ecb3530dSMatthias Brugger select CLKSRC_MMIO 169ecb3530dSMatthias Brugger bool 170ecb3530dSMatthias Brugger 171fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 172fd3f1270SMagnus Damm bool 173fd3f1270SMagnus Damm 174fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 175fd3f1270SMagnus Damm bool 176fd3f1270SMagnus Damm 177fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 178fd3f1270SMagnus Damm bool 179fd3f1270SMagnus Damm 180fd3f1270SMagnus Dammconfig SH_TIMER_CMT 181fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 18287291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 183fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 184fd3f1270SMagnus Damm help 185fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 186fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 187fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 188fd3f1270SMagnus Damm 189fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 190fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 19187291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 192fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 193fd3f1270SMagnus Damm help 194fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 1957e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 196fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 197fd3f1270SMagnus Damm 198fd3f1270SMagnus Dammconfig SH_TIMER_TMU 199fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 20087291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 201fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 202fd3f1270SMagnus Damm help 203fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 204fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 205fd3f1270SMagnus Damm SoCs from Renesas. 206fd3f1270SMagnus Damm 207fd3f1270SMagnus Dammconfig EM_TIMER_STI 208fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 20940c96312SChen Gang depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 210fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 211fd3f1270SMagnus Damm help 212fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 213fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 214fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 215dfc25e45SLinus Torvalds 2163f8e8ceeSKumar Galaconfig CLKSRC_QCOM 2173f8e8ceeSKumar Gala bool 218220e2a8dSPawel Moll 219220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 220220e2a8dSPawel Moll bool "ARM Versatile (Express) reference platforms clock source" 221b33cdd28SArnd Bergmann depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 222220e2a8dSPawel Moll select CLKSRC_OF 223220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 224220e2a8dSPawel Moll help 225220e2a8dSPawel Moll This option enables clock source based on free running 226220e2a8dSPawel Moll counter available in the "System Registers" block of 227220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 228220e2a8dSPawel Moll platforms. 22958394271SJean Delvare 230fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 231fa5635a2SAndrew Bresticker bool 232fa5635a2SAndrew Bresticker depends on MIPS_GIC 233e12aa828SAndrew Bresticker select CLKSRC_OF 234fa5635a2SAndrew Bresticker 23558394271SJean Delvareendmenu 236