158394271SJean Delvaremenu "Clock Source drivers" 23da6d49eSArnd Bergmann depends on !ARCH_USES_GETTIMEOFFSET 358394271SJean Delvare 4ae278a93SStephen Warrenconfig CLKSRC_OF 5ae278a93SStephen Warren bool 6aad83b15SMarc Zyngier select CLKSRC_PROBE 7aad83b15SMarc Zyngier 8aad83b15SMarc Zyngierconfig CLKSRC_ACPI 9aad83b15SMarc Zyngier bool 10aad83b15SMarc Zyngier select CLKSRC_PROBE 11aad83b15SMarc Zyngier 12aad83b15SMarc Zyngierconfig CLKSRC_PROBE 13aad83b15SMarc Zyngier bool 14ae278a93SStephen Warren 1589c0b8e2SRussell Kingconfig CLKSRC_I8253 1689c0b8e2SRussell King bool 17442c8176SRussell King 18e6220bdcSThomas Gleixnerconfig CLKEVT_I8253 19e6220bdcSThomas Gleixner bool 20e6220bdcSThomas Gleixner 2115f304b6SRalf Baechleconfig I8253_LOCK 2215f304b6SRalf Baechle bool 2315f304b6SRalf Baechle 2415f304b6SRalf Baechleconfig CLKBLD_I8253 25e6220bdcSThomas Gleixner def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 2615f304b6SRalf Baechle 27442c8176SRussell Kingconfig CLKSRC_MMIO 28442c8176SRussell King bool 2906c3df49SJamie Iles 309b8bb773SBaruch Siachconfig DIGICOLOR_TIMER 31e6c1db13SDaniel Lezcano bool "Digicolor timer driver" if COMPILE_TEST 32e6c1db13SDaniel Lezcano help 33e6c1db13SDaniel Lezcano Enables the support for the digicolor timer driver. 349b8bb773SBaruch Siach 3506c3df49SJamie Ilesconfig DW_APB_TIMER 365b097f6bSDaniel Lezcano bool "DW APB timer driver" if COMPILE_TEST 375b097f6bSDaniel Lezcano help 385b097f6bSDaniel Lezcano Enables the support for the dw_apb timer. 39489bcceaSMattias Wallin 40cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 41cfda5901SDinh Nguyen bool 421b4eca0fSHeiko Stuebner select DW_APB_TIMER 4310021488SHeiko Stuebner select CLKSRC_OF 44cfda5901SDinh Nguyen 45468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 4640ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 4740ada2aaSDaniel Lezcano depends on ARM || ARM64 48468b8c4cSDaniel Lezcano select CLKSRC_OF 4940ada2aaSDaniel Lezcano help 5040ada2aaSDaniel Lezcano Enables the support for the rockchip timer driver. 51468b8c4cSDaniel Lezcano 526fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 539519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 549519e80cSDaniel Lezcano depends on ARM 557b0dd72aSJean Pihet select CLKSRC_OF 569519e80cSDaniel Lezcano help 579519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 586fe9cbd1SGregory CLEMENT 59e4a6b378SCarlo Caioneconfig MESON6_TIMER 600b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 617b6b0a45SBeniamino Galvani select CLKSRC_MMIO 620b7a7bb7SDaniel Lezcano help 630b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 64e4a6b378SCarlo Caione 650c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 66c9165549SDaniel Lezcano bool "Orion timer driver" if COMPILE_TEST 67c9165549SDaniel Lezcano depends on ARM 680c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 690c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 70c9165549SDaniel Lezcano help 71c9165549SDaniel Lezcano Enables the support for the Orion timer driver 720c1dcfd5SSebastian Hesselbarth 73119fd635SMaxime Ripardconfig SUN4I_TIMER 74b4fcd48bSDaniel Lezcano bool "Sun4i timer driver" if COMPILE_TEST 7571c568c0SMaxime Ripard select CLKSRC_MMIO 76b4fcd48bSDaniel Lezcano help 77b4fcd48bSDaniel Lezcano Enables support for the Sun4i timer. 78b2ac5d75SMaxime Ripard 7967905540SMaxime Ripardconfig SUN5I_HSTIMER 8067905540SMaxime Ripard select CLKSRC_MMIO 8167905540SMaxime Ripard bool 8267905540SMaxime Ripard 83910978e7SThierry Redingconfig TEGRA_TIMER 84910978e7SThierry Reding bool 85910978e7SThierry Reding 86ff7ec345STony Priskconfig VT8500_TIMER 87ff7ec345STony Prisk bool 88ff7ec345STony Prisk 894f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 904f0f234fSMichal Simek bool 914f0f234fSMichal Simek 92a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 93a8b1b9fcSDaniel Lezcano bool 94a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 95a8b1b9fcSDaniel Lezcano select CLKSRC_OF 96a8b1b9fcSDaniel Lezcano 97694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 98694e33a7SLinus Walleij bool 99694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 100694e33a7SLinus Walleij select CLKSRC_MMIO 101694e33a7SLinus Walleij help 102694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 103694e33a7SLinus Walleij to multiple interrupt generating programmable 104694e33a7SLinus Walleij 32-bit free running decrementing counters. 105694e33a7SLinus Walleij 106694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 107694e33a7SLinus Walleij bool 108694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 109694e33a7SLinus Walleij help 110694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 111694e33a7SLinus Walleij 112489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 113489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 11429746f48SLinus Walleij depends on UX500_SOC_DB8500 115489bcceaSMattias Wallin default y 116489bcceaSMattias Wallin help 117489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 118489bcceaSMattias Wallin 119489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 120489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 121694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 122489bcceaSMattias Wallin default y 123489bcceaSMattias Wallin help 124489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 125985c0679SMarc Zyngier 1269c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 1279c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 1289c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 12909ca2757SAxel Lin select CLKSRC_MMIO 1309c9b7818SUwe Kleine-König default ARCH_EFM32 1319c9b7818SUwe Kleine-König help 1329c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 1339c9b7818SUwe Kleine-König event device. 1349c9b7818SUwe Kleine-König 135050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 136050dd322SJoachim Eastwood bool 137050dd322SJoachim Eastwood select CLKSRC_MMIO 138050dd322SJoachim Eastwood select CLKSRC_OF 139050dd322SJoachim Eastwood 14084583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 141dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 14284583983SEzequiel Garcia select CLKSRC_OF 143dfdb1652SDaniel Lezcano help 144dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 14584583983SEzequiel Garcia 146fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 147fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 148dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 149fe851f56SFelipe Balbi select CLKSRC_OF if OF 150fe851f56SFelipe Balbi help 151fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 152fe851f56SFelipe Balbi available on many OMAP-like platforms. 153fe851f56SFelipe Balbi 154e37e4593SMaxime Coquelinconfig CLKSRC_STM32 1551cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 1561cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 157e37e4593SMaxime Coquelin select CLKSRC_MMIO 158e37e4593SMaxime Coquelin 1598a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 1608a4da6e3SMark Rutland bool 1610583fe47SRob Herring select CLKSRC_OF if OF 162ae281cbdSMarc Zyngier select CLKSRC_ACPI if ACPI 163a2c5d4edSJames Hogan 164037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 165037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 166037f6377SWill Deacon default y if ARM_ARCH_TIMER 16777f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 168037f6377SWill Deacon help 169037f6377SWill Deacon This option enables support for event stream generation based on 170037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 171037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 172037f6377SWill Deacon divisor of the clock rate. 173037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 174037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 175037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 176037f6377SWill Deacon event is not generated. 177037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 178037f6377SWill Deacon hardware anomalies of missing events. 179037f6377SWill Deacon 180c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 181c1b40e44SStuart Menefy bool 182c1b40e44SStuart Menefy select CLKSRC_OF if OF 183c1b40e44SStuart Menefy help 184c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 185c1b40e44SStuart Menefy 1860b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 1870b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 188002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 1890b7402dcSSudeep Holla select CLKSRC_MMIO 1900b7402dcSSudeep Holla select CLKSRC_OF if OF 1910b7402dcSSudeep Holla 192c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 193c1b40e44SStuart Menefy bool 194c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 195c1b40e44SStuart Menefy default y 196c1b40e44SStuart Menefy help 197c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 198c1b40e44SStuart Menefy 1994958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 2004958ebb3SMaxime Coquelin bool 2014958ebb3SMaxime Coquelin select CLKSRC_OF if OF 2024958ebb3SMaxime Coquelin select CLKSRC_MMIO 2034958ebb3SMaxime Coquelin help 2044958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 2054958ebb3SMaxime Coquelin 206b052ff30SMaxime Ripardconfig ATMEL_PIT 207b052ff30SMaxime Ripard select CLKSRC_OF if OF 208b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 209b052ff30SMaxime Ripard 210b53cdd03SAlexandre Belloniconfig ATMEL_ST 211b53cdd03SAlexandre Belloni bool 212b53cdd03SAlexandre Belloni select CLKSRC_OF 2137ab7ef74SAlexandre Belloni select MFD_SYSCON 214b53cdd03SAlexandre Belloni 215a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 216a2c5d4edSJames Hogan def_bool y if METAG 217a2c5d4edSJames Hogan help 218a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 2196938d75aSThomas Abraham 2206938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 2216938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 2223252a646SDoug Anderson depends on !ARM64 2236938d75aSThomas Abraham help 2246938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 225241a9871SArnd Bergmann 226f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 22777d84434STomasz Figa bool 228f1189989STomasz Figa help 229f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 230f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 231f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 232f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 233c1967249SJingchang Lu 2342529c3a3SXiubo Liconfig FSL_FTM_TIMER 2352529c3a3SXiubo Li bool 2362529c3a3SXiubo Li help 2372529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 2382529c3a3SXiubo Li 239c1967249SJingchang Luconfig VF_PIT_TIMER 240c1967249SJingchang Lu bool 241c1967249SJingchang Lu help 242c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 243fd3f1270SMagnus Damm 244fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 245fd3f1270SMagnus Damm bool 246fd3f1270SMagnus Damm 247ecb3530dSMatthias Bruggerconfig MTK_TIMER 248fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 249ecb3530dSMatthias Brugger select CLKSRC_OF 250ecb3530dSMatthias Brugger select CLKSRC_MMIO 251fbca9eabSDaniel Lezcano help 252fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 253ecb3530dSMatthias Brugger 254fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 255fd3f1270SMagnus Damm bool 256fd3f1270SMagnus Damm 257fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 258fd3f1270SMagnus Damm bool 259fd3f1270SMagnus Damm 260fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 261fd3f1270SMagnus Damm bool 262fd3f1270SMagnus Damm 263fd3f1270SMagnus Dammconfig SH_TIMER_CMT 264fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 26587291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 26611bc26feSRichard Weinberger depends on HAS_IOMEM 267fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 268fd3f1270SMagnus Damm help 269fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 270fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 271fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 272fd3f1270SMagnus Damm 273fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 274fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 27587291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 27611bc26feSRichard Weinberger depends on HAS_IOMEM 277fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 278fd3f1270SMagnus Damm help 279fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 2807e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 281fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 282fd3f1270SMagnus Damm 283fd3f1270SMagnus Dammconfig SH_TIMER_TMU 284fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 28587291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 28611bc26feSRichard Weinberger depends on HAS_IOMEM 287fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 288fd3f1270SMagnus Damm help 289fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 290fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 291fd3f1270SMagnus Damm SoCs from Renesas. 292fd3f1270SMagnus Damm 293fd3f1270SMagnus Dammconfig EM_TIMER_STI 294fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 29540c96312SChen Gang depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 296fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 297fd3f1270SMagnus Damm help 298fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 299fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 300fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 301dfc25e45SLinus Torvalds 3023f8e8ceeSKumar Galaconfig CLKSRC_QCOM 3033dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 3043dc0e9f6SDaniel Lezcano depends on ARM 3053dc0e9f6SDaniel Lezcano select CLKSRC_OF 3063dc0e9f6SDaniel Lezcano help 3073dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 3083dc0e9f6SDaniel Lezcano Qualcomm SoCs. 309220e2a8dSPawel Moll 310220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 311220e2a8dSPawel Moll bool "ARM Versatile (Express) reference platforms clock source" 312ff37015bSDeng-Cheng Zhu depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 313220e2a8dSPawel Moll select CLKSRC_OF 314220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 315220e2a8dSPawel Moll help 316220e2a8dSPawel Moll This option enables clock source based on free running 317220e2a8dSPawel Moll counter available in the "System Registers" block of 318220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 319220e2a8dSPawel Moll platforms. 32058394271SJean Delvare 321fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 322fa5635a2SAndrew Bresticker bool 323fa5635a2SAndrew Bresticker depends on MIPS_GIC 324e12aa828SAndrew Bresticker select CLKSRC_OF 325fa5635a2SAndrew Bresticker 326ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 3275a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 3285a7351f0SDaniel Lezcano depends on ARM 329ccd63ce4SMarc Gonzalez select CLKSRC_OF 3305a7351f0SDaniel Lezcano help 3315a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 332ccd63ce4SMarc Gonzalez 333e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 3345ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 3355ae996cbSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 3365ae996cbSDaniel Lezcano select CLKSRC_MMIO 337e074ff86SDmitry Eremin-Solenikov help 338e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 339e074ff86SDmitry Eremin-Solenikov platforms. 340618b902dSYoshinori Sato 341618b902dSYoshinori Satoconfig H8300_TMR16 342618b902dSYoshinori Sato bool 343618b902dSYoshinori Sato 344618b902dSYoshinori Satoconfig H8300_TPU 345618b902dSYoshinori Sato bool 346618b902dSYoshinori Sato 347bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 348bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 349bea5af41SShawn Guo depends on ARM && CLKDEV_LOOKUP 350bea5af41SShawn Guo select CLKSRC_MMIO 351bea5af41SShawn Guo 35270bef01cSLee Jonesconfig CLKSRC_ST_LPC 353baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 35470bef01cSLee Jones select CLKSRC_OF if OF 35570bef01cSLee Jones help 35670bef01cSLee Jones Enable this option to use the Low Power controller timer 35770bef01cSLee Jones as clocksource. 35870bef01cSLee Jones 35958394271SJean Delvareendmenu 360