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 8376bc271SDaniel Lezcanoconfig CLKEVT_OF 9376bc271SDaniel Lezcano bool 10376bc271SDaniel Lezcano select CLKEVT_PROBE 11376bc271SDaniel Lezcano 12aad83b15SMarc Zyngierconfig CLKSRC_ACPI 13aad83b15SMarc Zyngier bool 14aad83b15SMarc Zyngier select CLKSRC_PROBE 15aad83b15SMarc Zyngier 16aad83b15SMarc Zyngierconfig CLKSRC_PROBE 17aad83b15SMarc Zyngier bool 18ae278a93SStephen Warren 19376bc271SDaniel Lezcanoconfig CLKEVT_PROBE 20376bc271SDaniel Lezcano bool 21376bc271SDaniel Lezcano 2289c0b8e2SRussell Kingconfig CLKSRC_I8253 2389c0b8e2SRussell King bool 24442c8176SRussell King 25e6220bdcSThomas Gleixnerconfig CLKEVT_I8253 26e6220bdcSThomas Gleixner bool 27e6220bdcSThomas Gleixner 2815f304b6SRalf Baechleconfig I8253_LOCK 2915f304b6SRalf Baechle bool 3015f304b6SRalf Baechle 3115f304b6SRalf Baechleconfig CLKBLD_I8253 32e6220bdcSThomas Gleixner def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 3315f304b6SRalf Baechle 34442c8176SRussell Kingconfig CLKSRC_MMIO 35442c8176SRussell King bool 3606c3df49SJamie Iles 372ea879a7SDaniel Lezcanoconfig BCM2835_TIMER 382ea879a7SDaniel Lezcano bool "BCM2835 timer driver" if COMPILE_TEST 392ea879a7SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 402ea879a7SDaniel Lezcano select CLKSRC_MMIO 412ea879a7SDaniel Lezcano help 422ea879a7SDaniel Lezcano Enables the support for the BCM2835 timer driver. 432ea879a7SDaniel Lezcano 441cad71e3SDaniel Lezcanoconfig BCM_KONA_TIMER 451cad71e3SDaniel Lezcano bool "BCM mobile timer driver" if COMPILE_TEST 461cad71e3SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 471cad71e3SDaniel Lezcano select CLKSRC_MMIO 481cad71e3SDaniel Lezcano help 491cad71e3SDaniel Lezcano Enables the support for the BCM Kona mobile timer driver. 501cad71e3SDaniel Lezcano 519b8bb773SBaruch Siachconfig DIGICOLOR_TIMER 52e6c1db13SDaniel Lezcano bool "Digicolor timer driver" if COMPILE_TEST 530901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 542be6d9bfSArnd Bergmann select CLKSRC_MMIO 55d7023e62SRichard Weinberger depends on HAS_IOMEM 56e6c1db13SDaniel Lezcano help 57e6c1db13SDaniel Lezcano Enables the support for the digicolor timer driver. 589b8bb773SBaruch Siach 5906c3df49SJamie Ilesconfig DW_APB_TIMER 605b097f6bSDaniel Lezcano bool "DW APB timer driver" if COMPILE_TEST 610901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 625b097f6bSDaniel Lezcano help 635b097f6bSDaniel Lezcano Enables the support for the dw_apb timer. 64489bcceaSMattias Wallin 65cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 66cfda5901SDinh Nguyen bool 671b4eca0fSHeiko Stuebner select DW_APB_TIMER 6810021488SHeiko Stuebner select CLKSRC_OF 69cfda5901SDinh Nguyen 70*4750535bSLinus Walleijconfig GEMINI_TIMER 71*4750535bSLinus Walleij bool "Cortina Gemini timer driver" if COMPILE_TEST 72*4750535bSLinus Walleij depends on GENERIC_CLOCKEVENTS 73*4750535bSLinus Walleij depends on HAS_IOMEM 74*4750535bSLinus Walleij select CLKSRC_MMIO 75*4750535bSLinus Walleij select CLKSRC_OF 76*4750535bSLinus Walleij select MFD_SYSCON 77*4750535bSLinus Walleij help 78*4750535bSLinus Walleij Enables support for the Gemini timer 79*4750535bSLinus Walleij 80468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 8140ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 8240ada2aaSDaniel Lezcano depends on ARM || ARM64 83468b8c4cSDaniel Lezcano select CLKSRC_OF 8440ada2aaSDaniel Lezcano help 8540ada2aaSDaniel Lezcano Enables the support for the rockchip timer driver. 86468b8c4cSDaniel Lezcano 876fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 889519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 899519e80cSDaniel Lezcano depends on ARM 907b0dd72aSJean Pihet select CLKSRC_OF 912be6d9bfSArnd Bergmann select CLKSRC_MMIO 929519e80cSDaniel Lezcano help 939519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 946fe9cbd1SGregory CLEMENT 95e4a6b378SCarlo Caioneconfig MESON6_TIMER 960b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 970901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 987b6b0a45SBeniamino Galvani select CLKSRC_MMIO 990b7a7bb7SDaniel Lezcano help 1000b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 101e4a6b378SCarlo Caione 1020c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 103c9165549SDaniel Lezcano bool "Orion timer driver" if COMPILE_TEST 104c9165549SDaniel Lezcano depends on ARM 1050c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 1060c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 107c9165549SDaniel Lezcano help 108c9165549SDaniel Lezcano Enables the support for the Orion timer driver 1090c1dcfd5SSebastian Hesselbarth 110119fd635SMaxime Ripardconfig SUN4I_TIMER 111b4fcd48bSDaniel Lezcano bool "Sun4i timer driver" if COMPILE_TEST 1120901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 113d7023e62SRichard Weinberger depends on HAS_IOMEM 11471c568c0SMaxime Ripard select CLKSRC_MMIO 115b4fcd48bSDaniel Lezcano help 116b4fcd48bSDaniel Lezcano Enables support for the Sun4i timer. 117b2ac5d75SMaxime Ripard 11867905540SMaxime Ripardconfig SUN5I_HSTIMER 119f0c5afb7SDaniel Lezcano bool "Sun5i timer driver" if COMPILE_TEST 12067905540SMaxime Ripard select CLKSRC_MMIO 121f0c5afb7SDaniel Lezcano depends on COMMON_CLK 122f0c5afb7SDaniel Lezcano help 123f0c5afb7SDaniel Lezcano Enables support the Sun5i timer. 12467905540SMaxime Ripard 125910978e7SThierry Redingconfig TEGRA_TIMER 126adce4bc8SDaniel Lezcano bool "Tegra timer driver" if COMPILE_TEST 1272be6d9bfSArnd Bergmann select CLKSRC_MMIO 128adce4bc8SDaniel Lezcano depends on ARM 129adce4bc8SDaniel Lezcano help 130adce4bc8SDaniel Lezcano Enables support for the Tegra driver. 131910978e7SThierry Reding 132ff7ec345STony Priskconfig VT8500_TIMER 133b4bdf7efSDaniel Lezcano bool "VT8500 timer driver" if COMPILE_TEST 1340901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 135d7023e62SRichard Weinberger depends on HAS_IOMEM 136b4bdf7efSDaniel Lezcano help 137b4bdf7efSDaniel Lezcano Enables support for the VT8500 driver. 138ff7ec345STony Prisk 1394f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 14057f49318SDaniel Lezcano bool "Cadence TTC timer driver" if COMPILE_TEST 14157f49318SDaniel Lezcano depends on COMMON_CLK 14257f49318SDaniel Lezcano help 14357f49318SDaniel Lezcano Enables support for the cadence ttc driver. 1444f0f234fSMichal Simek 145a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 146b9755841SDaniel Lezcano bool "ASM9260 timer driver" if COMPILE_TEST 1470901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 148a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 149a8b1b9fcSDaniel Lezcano select CLKSRC_OF 150b9755841SDaniel Lezcano help 151b9755841SDaniel Lezcano Enables support for the ASM9260 timer. 152a8b1b9fcSDaniel Lezcano 153694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 15470329653SDaniel Lezcano bool "Nomakdik clocksource driver" if COMPILE_TEST 15570329653SDaniel Lezcano depends on ARM 156694e33a7SLinus Walleij select CLKSRC_MMIO 157694e33a7SLinus Walleij help 158694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 159694e33a7SLinus Walleij to multiple interrupt generating programmable 160694e33a7SLinus Walleij 32-bit free running decrementing counters. 161694e33a7SLinus Walleij 162694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 163694e33a7SLinus Walleij bool 164694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 165694e33a7SLinus Walleij help 166694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 167694e33a7SLinus Walleij 168489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 1691becd6edSDaniel Lezcano bool "Clocksource PRCMU Timer" if COMPILE_TEST 1700901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 171d7023e62SRichard Weinberger depends on HAS_IOMEM 172489bcceaSMattias Wallin help 173489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 174489bcceaSMattias Wallin 175ecf0efdcSDaniel Lezcanoconfig CLPS711X_TIMER 176ecf0efdcSDaniel Lezcano bool "Cirrus logic timer driver" if COMPILE_TEST 177ecf0efdcSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 178ecf0efdcSDaniel Lezcano select CLKSRC_MMIO 179ecf0efdcSDaniel Lezcano help 180ecf0efdcSDaniel Lezcano Enables support for the Cirrus Logic PS711 timer. 181ecf0efdcSDaniel Lezcano 182b56d5d21SDaniel Lezcanoconfig ATLAS7_TIMER 183b56d5d21SDaniel Lezcano bool "Atlas7 timer driver" if COMPILE_TEST 184b56d5d21SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 185b56d5d21SDaniel Lezcano select CLKSRC_MMIO 186b56d5d21SDaniel Lezcano help 187b56d5d21SDaniel Lezcano Enables support for the Atlas7 timer. 188b56d5d21SDaniel Lezcano 189419be9e3SDaniel Lezcanoconfig MOXART_TIMER 190419be9e3SDaniel Lezcano bool "Moxart timer driver" if COMPILE_TEST 191419be9e3SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 192419be9e3SDaniel Lezcano select CLKSRC_MMIO 193419be9e3SDaniel Lezcano help 194419be9e3SDaniel Lezcano Enables support for the Moxart timer. 195419be9e3SDaniel Lezcano 196d81c50a0SDaniel Lezcanoconfig MXS_TIMER 197d81c50a0SDaniel Lezcano bool "Mxs timer driver" if COMPILE_TEST 198d81c50a0SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 199d81c50a0SDaniel Lezcano select CLKSRC_MMIO 200d81c50a0SDaniel Lezcano select STMP_DEVICE 201d81c50a0SDaniel Lezcano help 202d81c50a0SDaniel Lezcano Enables support for the Mxs timer. 203d81c50a0SDaniel Lezcano 204f3550d49SDaniel Lezcanoconfig PRIMA2_TIMER 205f3550d49SDaniel Lezcano bool "Prima2 timer driver" if COMPILE_TEST 206f3550d49SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 207f3550d49SDaniel Lezcano select CLKSRC_MMIO 208f3550d49SDaniel Lezcano help 209f3550d49SDaniel Lezcano Enables support for the Prima2 timer. 210f3550d49SDaniel Lezcano 21185f98db4SDaniel Lezcanoconfig U300_TIMER 21285f98db4SDaniel Lezcano bool "U300 timer driver" if COMPILE_TEST 21385f98db4SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 21485f98db4SDaniel Lezcano depends on ARM 21585f98db4SDaniel Lezcano select CLKSRC_MMIO 21685f98db4SDaniel Lezcano help 21785f98db4SDaniel Lezcano Enables support for the U300 timer. 21885f98db4SDaniel Lezcano 219d683b9dcSDaniel Lezcanoconfig NSPIRE_TIMER 220d683b9dcSDaniel Lezcano bool "NSpire timer driver" if COMPILE_TEST 221d683b9dcSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 222d683b9dcSDaniel Lezcano select CLKSRC_MMIO 223d683b9dcSDaniel Lezcano help 224d683b9dcSDaniel Lezcano Enables support for the Nspire timer. 225d683b9dcSDaniel Lezcano 226c12547a0SDaniel Lezcanoconfig KEYSTONE_TIMER 227c12547a0SDaniel Lezcano bool "Keystone timer driver" if COMPILE_TEST 228c12547a0SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 229c12547a0SDaniel Lezcano depends on ARM || ARM64 230c12547a0SDaniel Lezcano select CLKSRC_MMIO 231c12547a0SDaniel Lezcano help 232c12547a0SDaniel Lezcano Enables support for the Keystone timer. 233c12547a0SDaniel Lezcano 234568c0342SDaniel Lezcanoconfig INTEGRATOR_AP_TIMER 235568c0342SDaniel Lezcano bool "Integrator-ap timer driver" if COMPILE_TEST 236568c0342SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 237568c0342SDaniel Lezcano select CLKSRC_MMIO 238568c0342SDaniel Lezcano help 239568c0342SDaniel Lezcano Enables support for the Integrator-ap timer. 240568c0342SDaniel Lezcano 241489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 242489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 243694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 244489bcceaSMattias Wallin default y 245489bcceaSMattias Wallin help 246489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 247985c0679SMarc Zyngier 2489c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 2499c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 2509c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 25109ca2757SAxel Lin select CLKSRC_MMIO 2529c9b7818SUwe Kleine-König default ARCH_EFM32 2539c9b7818SUwe Kleine-König help 2549c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 2559c9b7818SUwe Kleine-König event device. 2569c9b7818SUwe Kleine-König 257050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 258ddcf48c7SDaniel Lezcano bool "Clocksource for LPC32XX" if COMPILE_TEST 259863ee050SRichard Weinberger depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 2601b18fd20SEzequiel Garcia depends on ARM 261050dd322SJoachim Eastwood select CLKSRC_MMIO 262050dd322SJoachim Eastwood select CLKSRC_OF 263ddcf48c7SDaniel Lezcano help 264ddcf48c7SDaniel Lezcano Support for the LPC32XX clocksource. 265050dd322SJoachim Eastwood 26684583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 267dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 268863ee050SRichard Weinberger depends on HAS_IOMEM 26984583983SEzequiel Garcia select CLKSRC_OF 270dfdb1652SDaniel Lezcano help 271dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 27284583983SEzequiel Garcia 273fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 274fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 275dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 276fe851f56SFelipe Balbi select CLKSRC_OF if OF 277fe851f56SFelipe Balbi help 278fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 279fe851f56SFelipe Balbi available on many OMAP-like platforms. 280fe851f56SFelipe Balbi 281a5322457SNoam Camusconfig CLKSRC_NPS 282a5322457SNoam Camus bool "NPS400 clocksource driver" if COMPILE_TEST 283a5322457SNoam Camus depends on !PHYS_ADDR_T_64BIT 284a5322457SNoam Camus select CLKSRC_MMIO 285a5322457SNoam Camus select CLKSRC_OF if OF 286a5322457SNoam Camus help 287a5322457SNoam Camus NPS400 clocksource support. 288a5322457SNoam Camus Got 64 bit counter with update rate up to 1000MHz. 289a5322457SNoam Camus This counter is accessed via couple of 32 bit memory mapped registers. 290a5322457SNoam Camus 291e37e4593SMaxime Coquelinconfig CLKSRC_STM32 2921cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 2931cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 294e37e4593SMaxime Coquelin select CLKSRC_MMIO 295e37e4593SMaxime Coquelin 2960302637fSVladimir Murzinconfig CLKSRC_MPS2 2970302637fSVladimir Murzin bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 2980302637fSVladimir Murzin depends on GENERIC_SCHED_CLOCK 2990302637fSVladimir Murzin select CLKSRC_MMIO 3000302637fSVladimir Murzin select CLKSRC_OF 3010302637fSVladimir Murzin 302c4c9a040SVineet Guptaconfig ARC_TIMERS 303c4c9a040SVineet Gupta bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 304c4c9a040SVineet Gupta depends on GENERIC_CLOCKEVENTS 305c4c9a040SVineet Gupta select CLKSRC_OF 306c4c9a040SVineet Gupta help 307c4c9a040SVineet Gupta These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 308c4c9a040SVineet Gupta (ARC700 as well as ARC HS38). 309c4c9a040SVineet Gupta TIMER0 serves as clockevent while TIMER1 provides clocksource 310c4c9a040SVineet Gupta 311c4c9a040SVineet Guptaconfig ARC_TIMERS_64BIT 312c4c9a040SVineet Gupta bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 313c4c9a040SVineet Gupta depends on GENERIC_CLOCKEVENTS 314c4c9a040SVineet Gupta depends on ARC_TIMERS 315c4c9a040SVineet Gupta select CLKSRC_OF 316c4c9a040SVineet Gupta help 317c4c9a040SVineet Gupta This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP) 318c4c9a040SVineet Gupta RTC is implemented inside the core, while GFRC sits outside the core in 319c4c9a040SVineet Gupta ARConnect IP block. Driver automatically picks one of them for clocksource 320c4c9a040SVineet Gupta as appropriate. 321c4c9a040SVineet Gupta 3228a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 3238a4da6e3SMark Rutland bool 3240583fe47SRob Herring select CLKSRC_OF if OF 325ae281cbdSMarc Zyngier select CLKSRC_ACPI if ACPI 326a2c5d4edSJames Hogan 327037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 32846fd5c6bSWill Deacon bool "Enable ARM architected timer event stream generation by default" 329037f6377SWill Deacon default y if ARM_ARCH_TIMER 33077f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 331037f6377SWill Deacon help 33246fd5c6bSWill Deacon This option enables support by default for event stream generation 33346fd5c6bSWill Deacon based on the ARM architected timer. It is used for waking up CPUs 33446fd5c6bSWill Deacon executing the wfe instruction at a frequency represented as a 33546fd5c6bSWill Deacon power-of-2 divisor of the clock rate. The behaviour can also be 33646fd5c6bSWill Deacon overridden on the command line using the 33746fd5c6bSWill Deacon clocksource.arm_arch_timer.evtstream parameter. 338037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 339037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 340037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 341037f6377SWill Deacon event is not generated. 342037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 343037f6377SWill Deacon hardware anomalies of missing events. 344037f6377SWill Deacon 345f6dc1576SScott Woodconfig FSL_ERRATUM_A008585 346f6dc1576SScott Wood bool "Workaround for Freescale/NXP Erratum A-008585" 347f6dc1576SScott Wood default y 348f6dc1576SScott Wood depends on ARM_ARCH_TIMER && ARM64 349f6dc1576SScott Wood help 350f6dc1576SScott Wood This option enables a workaround for Freescale/NXP Erratum 351f6dc1576SScott Wood A-008585 ("ARM generic timer may contain an erroneous 352f6dc1576SScott Wood value"). The workaround will only be active if the 353f6dc1576SScott Wood fsl,erratum-a008585 property is found in the timer node. 354f6dc1576SScott Wood 355c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 35667a87a43SDaniel Lezcano bool "Support for the ARM global timer" if COMPILE_TEST 357c1b40e44SStuart Menefy select CLKSRC_OF if OF 35867a87a43SDaniel Lezcano depends on ARM 359c1b40e44SStuart Menefy help 360c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 361c1b40e44SStuart Menefy 3620b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 3630b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 364002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 3650b7402dcSSudeep Holla select CLKSRC_MMIO 3660b7402dcSSudeep Holla select CLKSRC_OF if OF 3670b7402dcSSudeep Holla 368c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 369c1b40e44SStuart Menefy bool 370c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 371c1b40e44SStuart Menefy default y 372c1b40e44SStuart Menefy help 373c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 374c1b40e44SStuart Menefy 3754958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 376e2146d86SDaniel Lezcano bool "Support for the ARMv7M system time" if COMPILE_TEST 3774958ebb3SMaxime Coquelin select CLKSRC_OF if OF 3784958ebb3SMaxime Coquelin select CLKSRC_MMIO 3794958ebb3SMaxime Coquelin help 3804958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 3814958ebb3SMaxime Coquelin 382b052ff30SMaxime Ripardconfig ATMEL_PIT 383b052ff30SMaxime Ripard select CLKSRC_OF if OF 384b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 385b052ff30SMaxime Ripard 386b53cdd03SAlexandre Belloniconfig ATMEL_ST 387b988d3f0SDaniel Lezcano bool "Atmel ST timer support" if COMPILE_TEST 388b988d3f0SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 389b53cdd03SAlexandre Belloni select CLKSRC_OF 3907ab7ef74SAlexandre Belloni select MFD_SYSCON 391b988d3f0SDaniel Lezcano help 392b988d3f0SDaniel Lezcano Support for the Atmel ST timer. 393b53cdd03SAlexandre Belloni 394a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 395a2c5d4edSJames Hogan def_bool y if METAG 396a2c5d4edSJames Hogan help 397a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 3986938d75aSThomas Abraham 3996938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 40039366ef4SDaniel Lezcano bool "Exynos multi core timer driver" if COMPILE_TEST 401f1a4c1f3SChanwoo Choi depends on ARM || ARM64 4026938d75aSThomas Abraham help 4036938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 404241a9871SArnd Bergmann 405f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 406de37b0b5SAlexandre Belloni bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 4070901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 408d7023e62SRichard Weinberger depends on HAS_IOMEM 409f1189989STomasz Figa help 410f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 411f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 412f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 413f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 414c1967249SJingchang Lu 4152529c3a3SXiubo Liconfig FSL_FTM_TIMER 416ef49336bSDaniel Lezcano bool "Freescale FlexTimer Module driver" if COMPILE_TEST 4170901f184SDaniel Lezcano depends on GENERIC_CLOCKEVENTS 418d7023e62SRichard Weinberger depends on HAS_IOMEM 41903724ac3SDaniel Lezcano select CLKSRC_MMIO 4202529c3a3SXiubo Li help 4212529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 4222529c3a3SXiubo Li 423c1967249SJingchang Luconfig VF_PIT_TIMER 424c1967249SJingchang Lu bool 4252be6d9bfSArnd Bergmann select CLKSRC_MMIO 426c1967249SJingchang Lu help 427c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 428fd3f1270SMagnus Damm 42989355274SNeil Armstrongconfig OXNAS_RPS_TIMER 43089355274SNeil Armstrong bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 43189355274SNeil Armstrong depends on GENERIC_CLOCKEVENTS 43289355274SNeil Armstrong select CLKSRC_OF 43389355274SNeil Armstrong select CLKSRC_MMIO 43489355274SNeil Armstrong help 43589355274SNeil Armstrong This enables support for the Oxford Semiconductor OXNAS RPS timers. 43689355274SNeil Armstrong 437fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 438fd3f1270SMagnus Damm bool 439fd3f1270SMagnus Damm 440ecb3530dSMatthias Bruggerconfig MTK_TIMER 441fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 442863ee050SRichard Weinberger depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 443ecb3530dSMatthias Brugger select CLKSRC_OF 444ecb3530dSMatthias Brugger select CLKSRC_MMIO 445fbca9eabSDaniel Lezcano help 446fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 447ecb3530dSMatthias Brugger 448fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 449fd3f1270SMagnus Damm bool 450fd3f1270SMagnus Damm 451fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 452fd3f1270SMagnus Damm bool 453fd3f1270SMagnus Damm 454fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 455fd3f1270SMagnus Damm bool 456fd3f1270SMagnus Damm 4579995f4f1SRich Felkerconfig CLKSRC_JCORE_PIT 4589995f4f1SRich Felker bool "J-Core PIT timer driver" if COMPILE_TEST 4599995f4f1SRich Felker depends on OF 4609995f4f1SRich Felker depends on GENERIC_CLOCKEVENTS 4619995f4f1SRich Felker depends on HAS_IOMEM 4629995f4f1SRich Felker select CLKSRC_MMIO 4639995f4f1SRich Felker help 4649995f4f1SRich Felker This enables build of clocksource and clockevent driver for 4659995f4f1SRich Felker the integrated PIT in the J-Core synthesizable, open source SoC. 4669995f4f1SRich Felker 467fd3f1270SMagnus Dammconfig SH_TIMER_CMT 468fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 46987291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 47011bc26feSRichard Weinberger depends on HAS_IOMEM 471fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 472fd3f1270SMagnus Damm help 473fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 474fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 475fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 476fd3f1270SMagnus Damm 477fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 478fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 47987291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 48011bc26feSRichard Weinberger depends on HAS_IOMEM 481fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 482fd3f1270SMagnus Damm help 483fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 4847e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 485fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 486fd3f1270SMagnus Damm 487fd3f1270SMagnus Dammconfig SH_TIMER_TMU 488fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 48987291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 49011bc26feSRichard Weinberger depends on HAS_IOMEM 491fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 492fd3f1270SMagnus Damm help 493fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 494fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 495fd3f1270SMagnus Damm SoCs from Renesas. 496fd3f1270SMagnus Damm 497fd3f1270SMagnus Dammconfig EM_TIMER_STI 498fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 49940c96312SChen Gang depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 500fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 501fd3f1270SMagnus Damm help 502fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 503fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 504fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 505dfc25e45SLinus Torvalds 5063f8e8ceeSKumar Galaconfig CLKSRC_QCOM 5073dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 5083dc0e9f6SDaniel Lezcano depends on ARM 5093dc0e9f6SDaniel Lezcano select CLKSRC_OF 5103dc0e9f6SDaniel Lezcano help 5113dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 5123dc0e9f6SDaniel Lezcano Qualcomm SoCs. 513220e2a8dSPawel Moll 514220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 5155cc87a4dSDaniel Lezcano bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 5165cc87a4dSDaniel Lezcano depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 517220e2a8dSPawel Moll select CLKSRC_OF 518220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 519220e2a8dSPawel Moll help 520220e2a8dSPawel Moll This option enables clock source based on free running 521220e2a8dSPawel Moll counter available in the "System Registers" block of 522220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 523220e2a8dSPawel Moll platforms. 52458394271SJean Delvare 525fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 526fa5635a2SAndrew Bresticker bool 527fa5635a2SAndrew Bresticker depends on MIPS_GIC 528e12aa828SAndrew Bresticker select CLKSRC_OF 529fa5635a2SAndrew Bresticker 530ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 5315a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 5325a7351f0SDaniel Lezcano depends on ARM 533ccd63ce4SMarc Gonzalez select CLKSRC_OF 5340881841fSDaniel Lezcano select CLKSRC_MMIO 5355a7351f0SDaniel Lezcano help 5365a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 537ccd63ce4SMarc Gonzalez 538e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 5395ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 5405ae996cbSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 541d7023e62SRichard Weinberger depends on HAS_IOMEM 5425ae996cbSDaniel Lezcano select CLKSRC_MMIO 543e074ff86SDmitry Eremin-Solenikov help 544e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 545e074ff86SDmitry Eremin-Solenikov platforms. 546618b902dSYoshinori Sato 54797a23bebSDaniel Lezcanoconfig H8300_TMR8 54846e7c3c6SDaniel Lezcano bool "Clockevent timer for the H8300 platform" if COMPILE_TEST 549863ee050SRichard Weinberger depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 55046e7c3c6SDaniel Lezcano help 55146e7c3c6SDaniel Lezcano This enables the 8 bits timer for the H8300 platform. 55297a23bebSDaniel Lezcano 553618b902dSYoshinori Satoconfig H8300_TMR16 55446e7c3c6SDaniel Lezcano bool "Clockevent timer for the H83069 platform" if COMPILE_TEST 555863ee050SRichard Weinberger depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 55646e7c3c6SDaniel Lezcano help 55746e7c3c6SDaniel Lezcano This enables the 16 bits timer for the H8300 platform with the 55846e7c3c6SDaniel Lezcano H83069 cpu. 559618b902dSYoshinori Sato 560618b902dSYoshinori Satoconfig H8300_TPU 56146e7c3c6SDaniel Lezcano bool "Clocksource for the H8300 platform" if COMPILE_TEST 562863ee050SRichard Weinberger depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 56346e7c3c6SDaniel Lezcano help 56446e7c3c6SDaniel Lezcano This enables the clocksource for the H8300 platform with the 56546e7c3c6SDaniel Lezcano H8S2678 cpu. 566618b902dSYoshinori Sato 567bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 568bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 569bea5af41SShawn Guo depends on ARM && CLKDEV_LOOKUP 570bea5af41SShawn Guo select CLKSRC_MMIO 571bea5af41SShawn Guo 57270bef01cSLee Jonesconfig CLKSRC_ST_LPC 573baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 57470bef01cSLee Jones select CLKSRC_OF if OF 575863ee050SRichard Weinberger depends on HAS_IOMEM 5762be6d9bfSArnd Bergmann select CLKSRC_MMIO 57770bef01cSLee Jones help 57870bef01cSLee Jones Enable this option to use the Low Power controller timer 57970bef01cSLee Jones as clocksource. 58070bef01cSLee Jones 58158394271SJean Delvareendmenu 582