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 319b8bb773SBaruch Siach bool 329b8bb773SBaruch Siach 3306c3df49SJamie Ilesconfig DW_APB_TIMER 3406c3df49SJamie Iles bool 35489bcceaSMattias Wallin 36cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 37cfda5901SDinh Nguyen bool 381b4eca0fSHeiko Stuebner select DW_APB_TIMER 3910021488SHeiko Stuebner select CLKSRC_OF 40cfda5901SDinh Nguyen 41468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 42468b8c4cSDaniel Lezcano bool 43468b8c4cSDaniel Lezcano select CLKSRC_OF 44468b8c4cSDaniel Lezcano 456fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 466fe9cbd1SGregory CLEMENT bool 477b0dd72aSJean Pihet select CLKSRC_OF 486fe9cbd1SGregory CLEMENT 49e4a6b378SCarlo Caioneconfig MESON6_TIMER 50e4a6b378SCarlo Caione bool 517b6b0a45SBeniamino Galvani select CLKSRC_MMIO 52e4a6b378SCarlo Caione 530c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 540c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 550c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 560c1dcfd5SSebastian Hesselbarth bool 570c1dcfd5SSebastian Hesselbarth 58119fd635SMaxime Ripardconfig SUN4I_TIMER 5971c568c0SMaxime Ripard select CLKSRC_MMIO 60b2ac5d75SMaxime Ripard bool 61b2ac5d75SMaxime Ripard 6267905540SMaxime Ripardconfig SUN5I_HSTIMER 6367905540SMaxime Ripard select CLKSRC_MMIO 6467905540SMaxime Ripard bool 6567905540SMaxime Ripard 66910978e7SThierry Redingconfig TEGRA_TIMER 67910978e7SThierry Reding bool 68910978e7SThierry Reding 69ff7ec345STony Priskconfig VT8500_TIMER 70ff7ec345STony Prisk bool 71ff7ec345STony Prisk 724f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 734f0f234fSMichal Simek bool 744f0f234fSMichal Simek 75a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 76a8b1b9fcSDaniel Lezcano bool 77a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 78a8b1b9fcSDaniel Lezcano select CLKSRC_OF 79a8b1b9fcSDaniel Lezcano 80694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 81694e33a7SLinus Walleij bool 82694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 83694e33a7SLinus Walleij select CLKSRC_MMIO 84694e33a7SLinus Walleij help 85694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 86694e33a7SLinus Walleij to multiple interrupt generating programmable 87694e33a7SLinus Walleij 32-bit free running decrementing counters. 88694e33a7SLinus Walleij 89694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 90694e33a7SLinus Walleij bool 91694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 92694e33a7SLinus Walleij help 93694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 94694e33a7SLinus Walleij 95489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 96489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 9729746f48SLinus Walleij depends on UX500_SOC_DB8500 98489bcceaSMattias Wallin default y 99489bcceaSMattias Wallin help 100489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 101489bcceaSMattias Wallin 102489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 103489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 104694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 105489bcceaSMattias Wallin default y 106489bcceaSMattias Wallin help 107489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 108985c0679SMarc Zyngier 1099c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 1109c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 1119c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 11209ca2757SAxel Lin select CLKSRC_MMIO 1139c9b7818SUwe Kleine-König default ARCH_EFM32 1149c9b7818SUwe Kleine-König help 1159c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 1169c9b7818SUwe Kleine-König event device. 1179c9b7818SUwe Kleine-König 118050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 119050dd322SJoachim Eastwood bool 120050dd322SJoachim Eastwood select CLKSRC_MMIO 121050dd322SJoachim Eastwood select CLKSRC_OF 122050dd322SJoachim Eastwood 12384583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 12484583983SEzequiel Garcia bool 12584583983SEzequiel Garcia select CLKSRC_OF 12684583983SEzequiel Garcia 127fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 128fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 129dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 130fe851f56SFelipe Balbi select CLKSRC_OF if OF 131fe851f56SFelipe Balbi help 132fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 133fe851f56SFelipe Balbi available on many OMAP-like platforms. 134fe851f56SFelipe Balbi 135e37e4593SMaxime Coquelinconfig CLKSRC_STM32 1361cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 1371cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 138e37e4593SMaxime Coquelin select CLKSRC_MMIO 139e37e4593SMaxime Coquelin 1408a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 1418a4da6e3SMark Rutland bool 1420583fe47SRob Herring select CLKSRC_OF if OF 143ae281cbdSMarc Zyngier select CLKSRC_ACPI if ACPI 144a2c5d4edSJames Hogan 145037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 146037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 147037f6377SWill Deacon default y if ARM_ARCH_TIMER 14877f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 149037f6377SWill Deacon help 150037f6377SWill Deacon This option enables support for event stream generation based on 151037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 152037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 153037f6377SWill Deacon divisor of the clock rate. 154037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 155037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 156037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 157037f6377SWill Deacon event is not generated. 158037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 159037f6377SWill Deacon hardware anomalies of missing events. 160037f6377SWill Deacon 161c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 162c1b40e44SStuart Menefy bool 163c1b40e44SStuart Menefy select CLKSRC_OF if OF 164c1b40e44SStuart Menefy help 165c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 166c1b40e44SStuart Menefy 1670b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 1680b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 169002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 1700b7402dcSSudeep Holla select CLKSRC_MMIO 1710b7402dcSSudeep Holla select CLKSRC_OF if OF 1720b7402dcSSudeep Holla 173c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 174c1b40e44SStuart Menefy bool 175c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 176c1b40e44SStuart Menefy default y 177c1b40e44SStuart Menefy help 178c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 179c1b40e44SStuart Menefy 1804958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 1814958ebb3SMaxime Coquelin bool 1824958ebb3SMaxime Coquelin select CLKSRC_OF if OF 1834958ebb3SMaxime Coquelin select CLKSRC_MMIO 1844958ebb3SMaxime Coquelin help 1854958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 1864958ebb3SMaxime Coquelin 187b052ff30SMaxime Ripardconfig ATMEL_PIT 188b052ff30SMaxime Ripard select CLKSRC_OF if OF 189b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 190b052ff30SMaxime Ripard 191b53cdd03SAlexandre Belloniconfig ATMEL_ST 192b53cdd03SAlexandre Belloni bool 193b53cdd03SAlexandre Belloni select CLKSRC_OF 1947ab7ef74SAlexandre Belloni select MFD_SYSCON 195b53cdd03SAlexandre Belloni 196a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 197a2c5d4edSJames Hogan def_bool y if METAG 198a2c5d4edSJames Hogan help 199a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 2006938d75aSThomas Abraham 2016938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 2026938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 2033252a646SDoug Anderson depends on !ARM64 2046938d75aSThomas Abraham help 2056938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 206241a9871SArnd Bergmann 207f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 20877d84434STomasz Figa bool 209f1189989STomasz Figa help 210f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 211f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 212f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 213f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 214c1967249SJingchang Lu 2152529c3a3SXiubo Liconfig FSL_FTM_TIMER 2162529c3a3SXiubo Li bool 2172529c3a3SXiubo Li help 2182529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 2192529c3a3SXiubo Li 220c1967249SJingchang Luconfig VF_PIT_TIMER 221c1967249SJingchang Lu bool 222c1967249SJingchang Lu help 223c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 224fd3f1270SMagnus Damm 225fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 226fd3f1270SMagnus Damm bool 227fd3f1270SMagnus Damm 228ecb3530dSMatthias Bruggerconfig MTK_TIMER 229ecb3530dSMatthias Brugger select CLKSRC_OF 230ecb3530dSMatthias Brugger select CLKSRC_MMIO 231ecb3530dSMatthias Brugger bool 232ecb3530dSMatthias Brugger 233fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 234fd3f1270SMagnus Damm bool 235fd3f1270SMagnus Damm 236fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 237fd3f1270SMagnus Damm bool 238fd3f1270SMagnus Damm 239fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 240fd3f1270SMagnus Damm bool 241fd3f1270SMagnus Damm 242fd3f1270SMagnus Dammconfig SH_TIMER_CMT 243fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 24487291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 24511bc26feSRichard Weinberger depends on HAS_IOMEM 246fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 247fd3f1270SMagnus Damm help 248fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 249fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 250fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 251fd3f1270SMagnus Damm 252fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 253fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 25487291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 25511bc26feSRichard Weinberger depends on HAS_IOMEM 256fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 257fd3f1270SMagnus Damm help 258fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 2597e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 260fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 261fd3f1270SMagnus Damm 262fd3f1270SMagnus Dammconfig SH_TIMER_TMU 263fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 26487291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 26511bc26feSRichard Weinberger depends on HAS_IOMEM 266fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 267fd3f1270SMagnus Damm help 268fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 269fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 270fd3f1270SMagnus Damm SoCs from Renesas. 271fd3f1270SMagnus Damm 272fd3f1270SMagnus Dammconfig EM_TIMER_STI 273fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 27440c96312SChen Gang depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 275fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 276fd3f1270SMagnus Damm help 277fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 278fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 279fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 280dfc25e45SLinus Torvalds 2813f8e8ceeSKumar Galaconfig CLKSRC_QCOM 2823dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 2833dc0e9f6SDaniel Lezcano depends on ARM 2843dc0e9f6SDaniel Lezcano select CLKSRC_OF 2853dc0e9f6SDaniel Lezcano help 2863dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 2873dc0e9f6SDaniel Lezcano Qualcomm SoCs. 288220e2a8dSPawel Moll 289220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 290220e2a8dSPawel Moll bool "ARM Versatile (Express) reference platforms clock source" 291ff37015bSDeng-Cheng Zhu depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 292220e2a8dSPawel Moll select CLKSRC_OF 293220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 294220e2a8dSPawel Moll help 295220e2a8dSPawel Moll This option enables clock source based on free running 296220e2a8dSPawel Moll counter available in the "System Registers" block of 297220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 298220e2a8dSPawel Moll platforms. 29958394271SJean Delvare 300fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 301fa5635a2SAndrew Bresticker bool 302fa5635a2SAndrew Bresticker depends on MIPS_GIC 303e12aa828SAndrew Bresticker select CLKSRC_OF 304fa5635a2SAndrew Bresticker 305ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 3065a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 3075a7351f0SDaniel Lezcano depends on ARM 308ccd63ce4SMarc Gonzalez select CLKSRC_OF 3095a7351f0SDaniel Lezcano help 3105a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 311ccd63ce4SMarc Gonzalez 312e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 3135ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 3145ae996cbSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 3155ae996cbSDaniel Lezcano select CLKSRC_MMIO 316e074ff86SDmitry Eremin-Solenikov help 317e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 318e074ff86SDmitry Eremin-Solenikov platforms. 319618b902dSYoshinori Sato 320618b902dSYoshinori Satoconfig H8300_TMR16 321618b902dSYoshinori Sato bool 322618b902dSYoshinori Sato 323618b902dSYoshinori Satoconfig H8300_TPU 324618b902dSYoshinori Sato bool 325618b902dSYoshinori Sato 326bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 327bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 328bea5af41SShawn Guo depends on ARM && CLKDEV_LOOKUP 329bea5af41SShawn Guo select CLKSRC_MMIO 330bea5af41SShawn Guo 33170bef01cSLee Jonesconfig CLKSRC_ST_LPC 332baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 33370bef01cSLee Jones select CLKSRC_OF if OF 33470bef01cSLee Jones help 33570bef01cSLee Jones Enable this option to use the Low Power controller timer 33670bef01cSLee Jones as clocksource. 33770bef01cSLee Jones 33858394271SJean Delvareendmenu 339