158394271SJean Delvaremenu "Clock Source drivers" 22f8a26c1SArnd Bergmann depends on GENERIC_CLOCKEVENTS 358394271SJean Delvare 4bb0eb050SDaniel Lezcanoconfig TIMER_OF 5ae278a93SStephen Warren bool 6bb0eb050SDaniel Lezcano select TIMER_PROBE 7aad83b15SMarc Zyngier 8fa1bffabSDaniel Lezcanoconfig TIMER_ACPI 9aad83b15SMarc Zyngier bool 10bb0eb050SDaniel Lezcano select TIMER_PROBE 11aad83b15SMarc Zyngier 12bb0eb050SDaniel Lezcanoconfig TIMER_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 24af04aa85SKeerthyconfig OMAP_DM_TIMER 25af04aa85SKeerthy bool 26af04aa85SKeerthy 2715f304b6SRalf Baechleconfig CLKBLD_I8253 28e6220bdcSThomas Gleixner def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 2915f304b6SRalf Baechle 30442c8176SRussell Kingconfig CLKSRC_MMIO 31442c8176SRussell King bool 3206c3df49SJamie Iles 332ea879a7SDaniel Lezcanoconfig BCM2835_TIMER 342ea879a7SDaniel Lezcano bool "BCM2835 timer driver" if COMPILE_TEST 352ea879a7SDaniel Lezcano select CLKSRC_MMIO 362ea879a7SDaniel Lezcano help 372ea879a7SDaniel Lezcano Enables the support for the BCM2835 timer driver. 382ea879a7SDaniel Lezcano 391cad71e3SDaniel Lezcanoconfig BCM_KONA_TIMER 401cad71e3SDaniel Lezcano bool "BCM mobile timer driver" if COMPILE_TEST 411cad71e3SDaniel Lezcano select CLKSRC_MMIO 421cad71e3SDaniel Lezcano help 431cad71e3SDaniel Lezcano Enables the support for the BCM Kona mobile timer driver. 441cad71e3SDaniel Lezcano 459b8bb773SBaruch Siachconfig DIGICOLOR_TIMER 46e6c1db13SDaniel Lezcano bool "Digicolor timer driver" if COMPILE_TEST 472be6d9bfSArnd Bergmann select CLKSRC_MMIO 48d7023e62SRichard Weinberger depends on HAS_IOMEM 49e6c1db13SDaniel Lezcano help 50e6c1db13SDaniel Lezcano Enables the support for the digicolor timer driver. 519b8bb773SBaruch Siach 5206c3df49SJamie Ilesconfig DW_APB_TIMER 535b097f6bSDaniel Lezcano bool "DW APB timer driver" if COMPILE_TEST 545b097f6bSDaniel Lezcano help 555b097f6bSDaniel Lezcano Enables the support for the dw_apb timer. 56489bcceaSMattias Wallin 57cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 58cfda5901SDinh Nguyen bool 591b4eca0fSHeiko Stuebner select DW_APB_TIMER 60bb0eb050SDaniel Lezcano select TIMER_OF 61cfda5901SDinh Nguyen 62f5bf0ee4SLinus Walleijconfig FTTMR010_TIMER 63f5bf0ee4SLinus Walleij bool "Faraday Technology timer driver" if COMPILE_TEST 644750535bSLinus Walleij depends on HAS_IOMEM 654750535bSLinus Walleij select CLKSRC_MMIO 66bb0eb050SDaniel Lezcano select TIMER_OF 674750535bSLinus Walleij select MFD_SYSCON 684750535bSLinus Walleij help 69f5bf0ee4SLinus Walleij Enables support for the Faraday Technology timer block 70f5bf0ee4SLinus Walleij FTTMR010. 714750535bSLinus Walleij 72468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 7340ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 7440ada2aaSDaniel Lezcano depends on ARM || ARM64 75bb0eb050SDaniel Lezcano select TIMER_OF 765e0a39d0SAlexander Kochetkov select CLKSRC_MMIO 7740ada2aaSDaniel Lezcano help 7840ada2aaSDaniel Lezcano Enables the support for the rockchip timer driver. 79468b8c4cSDaniel Lezcano 806fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 819519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 829519e80cSDaniel Lezcano depends on ARM 83bb0eb050SDaniel Lezcano select TIMER_OF 842be6d9bfSArnd Bergmann select CLKSRC_MMIO 859519e80cSDaniel Lezcano help 869519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 876fe9cbd1SGregory CLEMENT 88e4a6b378SCarlo Caioneconfig MESON6_TIMER 890b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 907b6b0a45SBeniamino Galvani select CLKSRC_MMIO 910b7a7bb7SDaniel Lezcano help 920b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 93e4a6b378SCarlo Caione 940c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 95c9165549SDaniel Lezcano bool "Orion timer driver" if COMPILE_TEST 96c9165549SDaniel Lezcano depends on ARM 97bb0eb050SDaniel Lezcano select TIMER_OF 980c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 99c9165549SDaniel Lezcano help 100c9165549SDaniel Lezcano Enables the support for the Orion timer driver 1010c1dcfd5SSebastian Hesselbarth 1024be78a86SAndreas Färberconfig OWL_TIMER 1034be78a86SAndreas Färber bool "Owl timer driver" if COMPILE_TEST 1044be78a86SAndreas Färber select CLKSRC_MMIO 1054be78a86SAndreas Färber help 1064be78a86SAndreas Färber Enables the support for the Actions Semi Owl timer driver. 1074be78a86SAndreas Färber 108119fd635SMaxime Ripardconfig SUN4I_TIMER 109b4fcd48bSDaniel Lezcano bool "Sun4i timer driver" if COMPILE_TEST 110d7023e62SRichard Weinberger depends on HAS_IOMEM 11171c568c0SMaxime Ripard select CLKSRC_MMIO 112239751edSDaniel Lezcano select TIMER_OF 113b4fcd48bSDaniel Lezcano help 114b4fcd48bSDaniel Lezcano Enables support for the Sun4i timer. 115b2ac5d75SMaxime Ripard 11667905540SMaxime Ripardconfig SUN5I_HSTIMER 117f0c5afb7SDaniel Lezcano bool "Sun5i timer driver" if COMPILE_TEST 11867905540SMaxime Ripard select CLKSRC_MMIO 119f0c5afb7SDaniel Lezcano depends on COMMON_CLK 120f0c5afb7SDaniel Lezcano help 121f0c5afb7SDaniel Lezcano Enables support the Sun5i timer. 12267905540SMaxime Ripard 123910978e7SThierry Redingconfig TEGRA_TIMER 124adce4bc8SDaniel Lezcano bool "Tegra timer driver" if COMPILE_TEST 1252be6d9bfSArnd Bergmann select CLKSRC_MMIO 126adce4bc8SDaniel Lezcano depends on ARM 127adce4bc8SDaniel Lezcano help 128adce4bc8SDaniel Lezcano Enables support for the Tegra driver. 129910978e7SThierry Reding 130ff7ec345STony Priskconfig VT8500_TIMER 131b4bdf7efSDaniel Lezcano bool "VT8500 timer driver" if COMPILE_TEST 132d7023e62SRichard Weinberger depends on HAS_IOMEM 133b4bdf7efSDaniel Lezcano help 134b4bdf7efSDaniel Lezcano Enables support for the VT8500 driver. 135ff7ec345STony Prisk 1361c00289eSTomer Maimonconfig NPCM7XX_TIMER 1371c00289eSTomer Maimon bool "NPCM7xx timer driver" if COMPILE_TEST 1381c00289eSTomer Maimon depends on HAS_IOMEM 1391c00289eSTomer Maimon select CLKSRC_MMIO 1401c00289eSTomer Maimon help 1411c00289eSTomer Maimon Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 1421c00289eSTomer Maimon While TIMER0 serves as clockevent and TIMER1 serves as clocksource. 1431c00289eSTomer Maimon 1444f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 14557f49318SDaniel Lezcano bool "Cadence TTC timer driver" if COMPILE_TEST 14657f49318SDaniel Lezcano depends on COMMON_CLK 14757f49318SDaniel Lezcano help 14857f49318SDaniel Lezcano Enables support for the cadence ttc driver. 1494f0f234fSMichal Simek 150a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 151b9755841SDaniel Lezcano bool "ASM9260 timer driver" if COMPILE_TEST 152a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 153bb0eb050SDaniel Lezcano select TIMER_OF 154b9755841SDaniel Lezcano help 155b9755841SDaniel Lezcano Enables support for the ASM9260 timer. 156a8b1b9fcSDaniel Lezcano 157694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 15870329653SDaniel Lezcano bool "Nomakdik clocksource driver" if COMPILE_TEST 15970329653SDaniel Lezcano depends on ARM 160694e33a7SLinus Walleij select CLKSRC_MMIO 161694e33a7SLinus Walleij help 162694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 163694e33a7SLinus Walleij to multiple interrupt generating programmable 164694e33a7SLinus Walleij 32-bit free running decrementing counters. 165694e33a7SLinus Walleij 166694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 167694e33a7SLinus Walleij bool 168694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 169694e33a7SLinus Walleij help 170694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 171694e33a7SLinus Walleij 172489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 1731becd6edSDaniel Lezcano bool "Clocksource PRCMU Timer" if COMPILE_TEST 174d7023e62SRichard Weinberger depends on HAS_IOMEM 175489bcceaSMattias Wallin help 176489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 177489bcceaSMattias Wallin 178ecf0efdcSDaniel Lezcanoconfig CLPS711X_TIMER 179ecf0efdcSDaniel Lezcano bool "Cirrus logic timer driver" if COMPILE_TEST 180ecf0efdcSDaniel Lezcano select CLKSRC_MMIO 181ecf0efdcSDaniel Lezcano help 182ecf0efdcSDaniel Lezcano Enables support for the Cirrus Logic PS711 timer. 183ecf0efdcSDaniel Lezcano 184b56d5d21SDaniel Lezcanoconfig ATLAS7_TIMER 185b56d5d21SDaniel Lezcano bool "Atlas7 timer driver" if COMPILE_TEST 186b56d5d21SDaniel Lezcano select CLKSRC_MMIO 187b56d5d21SDaniel Lezcano help 188b56d5d21SDaniel Lezcano Enables support for the Atlas7 timer. 189b56d5d21SDaniel Lezcano 190d81c50a0SDaniel Lezcanoconfig MXS_TIMER 191d81c50a0SDaniel Lezcano bool "Mxs timer driver" if COMPILE_TEST 192d81c50a0SDaniel Lezcano select CLKSRC_MMIO 193d81c50a0SDaniel Lezcano select STMP_DEVICE 194d81c50a0SDaniel Lezcano help 195d81c50a0SDaniel Lezcano Enables support for the Mxs timer. 196d81c50a0SDaniel Lezcano 197f3550d49SDaniel Lezcanoconfig PRIMA2_TIMER 198f3550d49SDaniel Lezcano bool "Prima2 timer driver" if COMPILE_TEST 199f3550d49SDaniel Lezcano select CLKSRC_MMIO 200f3550d49SDaniel Lezcano help 201f3550d49SDaniel Lezcano Enables support for the Prima2 timer. 202f3550d49SDaniel Lezcano 20385f98db4SDaniel Lezcanoconfig U300_TIMER 20485f98db4SDaniel Lezcano bool "U300 timer driver" if COMPILE_TEST 20585f98db4SDaniel Lezcano depends on ARM 20685f98db4SDaniel Lezcano select CLKSRC_MMIO 20785f98db4SDaniel Lezcano help 20885f98db4SDaniel Lezcano Enables support for the U300 timer. 20985f98db4SDaniel Lezcano 210d683b9dcSDaniel Lezcanoconfig NSPIRE_TIMER 211d683b9dcSDaniel Lezcano bool "NSpire timer driver" if COMPILE_TEST 212d683b9dcSDaniel Lezcano select CLKSRC_MMIO 213d683b9dcSDaniel Lezcano help 214d683b9dcSDaniel Lezcano Enables support for the Nspire timer. 215d683b9dcSDaniel Lezcano 216c12547a0SDaniel Lezcanoconfig KEYSTONE_TIMER 217c12547a0SDaniel Lezcano bool "Keystone timer driver" if COMPILE_TEST 218c12547a0SDaniel Lezcano depends on ARM || ARM64 219c12547a0SDaniel Lezcano select CLKSRC_MMIO 220c12547a0SDaniel Lezcano help 221c12547a0SDaniel Lezcano Enables support for the Keystone timer. 222c12547a0SDaniel Lezcano 223568c0342SDaniel Lezcanoconfig INTEGRATOR_AP_TIMER 224568c0342SDaniel Lezcano bool "Integrator-ap timer driver" if COMPILE_TEST 225568c0342SDaniel Lezcano select CLKSRC_MMIO 226568c0342SDaniel Lezcano help 227568c0342SDaniel Lezcano Enables support for the Integrator-ap timer. 228568c0342SDaniel Lezcano 229489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 230489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 231694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 232489bcceaSMattias Wallin default y 233489bcceaSMattias Wallin help 234489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 235985c0679SMarc Zyngier 2369c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 2379c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 2389c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 23909ca2757SAxel Lin select CLKSRC_MMIO 2409c9b7818SUwe Kleine-König default ARCH_EFM32 2419c9b7818SUwe Kleine-König help 2429c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 2439c9b7818SUwe Kleine-König event device. 2449c9b7818SUwe Kleine-König 245050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 246ddcf48c7SDaniel Lezcano bool "Clocksource for LPC32XX" if COMPILE_TEST 2472f8a26c1SArnd Bergmann depends on HAS_IOMEM 2481b18fd20SEzequiel Garcia depends on ARM 249050dd322SJoachim Eastwood select CLKSRC_MMIO 250bb0eb050SDaniel Lezcano select TIMER_OF 251ddcf48c7SDaniel Lezcano help 252ddcf48c7SDaniel Lezcano Support for the LPC32XX clocksource. 253050dd322SJoachim Eastwood 25484583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 255dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 2562f8a26c1SArnd Bergmann depends on HAS_IOMEM 257bb0eb050SDaniel Lezcano select TIMER_OF 258dfdb1652SDaniel Lezcano help 259dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 26084583983SEzequiel Garcia 261fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 262fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 263dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 264bb0eb050SDaniel Lezcano select TIMER_OF if OF 265fe851f56SFelipe Balbi help 266fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 267fe851f56SFelipe Balbi available on many OMAP-like platforms. 268fe851f56SFelipe Balbi 269a5322457SNoam Camusconfig CLKSRC_NPS 270a5322457SNoam Camus bool "NPS400 clocksource driver" if COMPILE_TEST 271a5322457SNoam Camus depends on !PHYS_ADDR_T_64BIT 272a5322457SNoam Camus select CLKSRC_MMIO 273bb0eb050SDaniel Lezcano select TIMER_OF if OF 274a5322457SNoam Camus help 275a5322457SNoam Camus NPS400 clocksource support. 276a5322457SNoam Camus Got 64 bit counter with update rate up to 1000MHz. 277a5322457SNoam Camus This counter is accessed via couple of 32 bit memory mapped registers. 278a5322457SNoam Camus 279e37e4593SMaxime Coquelinconfig CLKSRC_STM32 2801cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 2811cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 282e37e4593SMaxime Coquelin select CLKSRC_MMIO 283d04af490SBenjamin Gaignard select TIMER_OF 284e37e4593SMaxime Coquelin 2850302637fSVladimir Murzinconfig CLKSRC_MPS2 2860302637fSVladimir Murzin bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 2870302637fSVladimir Murzin depends on GENERIC_SCHED_CLOCK 2880302637fSVladimir Murzin select CLKSRC_MMIO 289bb0eb050SDaniel Lezcano select TIMER_OF 2900302637fSVladimir Murzin 291c4c9a040SVineet Guptaconfig ARC_TIMERS 292c4c9a040SVineet Gupta bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 293bb0eb050SDaniel Lezcano select TIMER_OF 294c4c9a040SVineet Gupta help 295c4c9a040SVineet Gupta These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 296c4c9a040SVineet Gupta (ARC700 as well as ARC HS38). 297c4c9a040SVineet Gupta TIMER0 serves as clockevent while TIMER1 provides clocksource 298c4c9a040SVineet Gupta 299c4c9a040SVineet Guptaconfig ARC_TIMERS_64BIT 300c4c9a040SVineet Gupta bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 301c4c9a040SVineet Gupta depends on ARC_TIMERS 302bb0eb050SDaniel Lezcano select TIMER_OF 303c4c9a040SVineet Gupta help 304c4c9a040SVineet Gupta This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP) 305c4c9a040SVineet Gupta RTC is implemented inside the core, while GFRC sits outside the core in 306c4c9a040SVineet Gupta ARConnect IP block. Driver automatically picks one of them for clocksource 307c4c9a040SVineet Gupta as appropriate. 308c4c9a040SVineet Gupta 3098a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 3108a4da6e3SMark Rutland bool 311bb0eb050SDaniel Lezcano select TIMER_OF if OF 312fa1bffabSDaniel Lezcano select TIMER_ACPI if ACPI 313a2c5d4edSJames Hogan 314037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 31546fd5c6bSWill Deacon bool "Enable ARM architected timer event stream generation by default" 316037f6377SWill Deacon default y if ARM_ARCH_TIMER 31777f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 318037f6377SWill Deacon help 31946fd5c6bSWill Deacon This option enables support by default for event stream generation 32046fd5c6bSWill Deacon based on the ARM architected timer. It is used for waking up CPUs 32146fd5c6bSWill Deacon executing the wfe instruction at a frequency represented as a 32246fd5c6bSWill Deacon power-of-2 divisor of the clock rate. The behaviour can also be 32346fd5c6bSWill Deacon overridden on the command line using the 32446fd5c6bSWill Deacon clocksource.arm_arch_timer.evtstream parameter. 325037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 326037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 327037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 328037f6377SWill Deacon event is not generated. 329037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 330037f6377SWill Deacon hardware anomalies of missing events. 331037f6377SWill Deacon 33216d10ef2SDing Tianhongconfig ARM_ARCH_TIMER_OOL_WORKAROUND 33316d10ef2SDing Tianhong bool 33416d10ef2SDing Tianhong 335f6dc1576SScott Woodconfig FSL_ERRATUM_A008585 336f6dc1576SScott Wood bool "Workaround for Freescale/NXP Erratum A-008585" 337f6dc1576SScott Wood default y 338f6dc1576SScott Wood depends on ARM_ARCH_TIMER && ARM64 33916d10ef2SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 340f6dc1576SScott Wood help 341f6dc1576SScott Wood This option enables a workaround for Freescale/NXP Erratum 342f6dc1576SScott Wood A-008585 ("ARM generic timer may contain an erroneous 343f6dc1576SScott Wood value"). The workaround will only be active if the 344f6dc1576SScott Wood fsl,erratum-a008585 property is found in the timer node. 345f6dc1576SScott Wood 346bb42ca47SDing Tianhongconfig HISILICON_ERRATUM_161010101 347bb42ca47SDing Tianhong bool "Workaround for Hisilicon Erratum 161010101" 348bb42ca47SDing Tianhong default y 349bb42ca47SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 350bb42ca47SDing Tianhong depends on ARM_ARCH_TIMER && ARM64 351bb42ca47SDing Tianhong help 352bb42ca47SDing Tianhong This option enables a workaround for Hisilicon Erratum 353bb42ca47SDing Tianhong 161010101. The workaround will be active if the hisilicon,erratum-161010101 354bb42ca47SDing Tianhong property is found in the timer node. 355bb42ca47SDing Tianhong 356fa8d815fSMarc Zyngierconfig ARM64_ERRATUM_858921 357fa8d815fSMarc Zyngier bool "Workaround for Cortex-A73 erratum 858921" 358fa8d815fSMarc Zyngier default y 359fa8d815fSMarc Zyngier select ARM_ARCH_TIMER_OOL_WORKAROUND 360fa8d815fSMarc Zyngier depends on ARM_ARCH_TIMER && ARM64 361fa8d815fSMarc Zyngier help 362fa8d815fSMarc Zyngier This option enables a workaround applicable to Cortex-A73 363fa8d815fSMarc Zyngier (all versions), whose counter may return incorrect values. 364fa8d815fSMarc Zyngier The workaround will be dynamically enabled when an affected 365fa8d815fSMarc Zyngier core is detected. 366fa8d815fSMarc Zyngier 367c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 36867a87a43SDaniel Lezcano bool "Support for the ARM global timer" if COMPILE_TEST 369bb0eb050SDaniel Lezcano select TIMER_OF if OF 37067a87a43SDaniel Lezcano depends on ARM 371c1b40e44SStuart Menefy help 372c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 373c1b40e44SStuart Menefy 3740b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 3750b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 376002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 3770b7402dcSSudeep Holla select CLKSRC_MMIO 378bb0eb050SDaniel Lezcano select TIMER_OF if OF 3790b7402dcSSudeep Holla 380c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 381c1b40e44SStuart Menefy bool 382c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 383c1b40e44SStuart Menefy default y 384c1b40e44SStuart Menefy help 385c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 386c1b40e44SStuart Menefy 3874958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 388e2146d86SDaniel Lezcano bool "Support for the ARMv7M system time" if COMPILE_TEST 389bb0eb050SDaniel Lezcano select TIMER_OF if OF 3904958ebb3SMaxime Coquelin select CLKSRC_MMIO 3914958ebb3SMaxime Coquelin help 3924958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 3934958ebb3SMaxime Coquelin 394b052ff30SMaxime Ripardconfig ATMEL_PIT 395bb0eb050SDaniel Lezcano select TIMER_OF if OF 396b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 397b052ff30SMaxime Ripard 398b53cdd03SAlexandre Belloniconfig ATMEL_ST 399b988d3f0SDaniel Lezcano bool "Atmel ST timer support" if COMPILE_TEST 400bd2746f0SMasahiro Yamada depends on HAS_IOMEM 401bb0eb050SDaniel Lezcano select TIMER_OF 4027ab7ef74SAlexandre Belloni select MFD_SYSCON 403b988d3f0SDaniel Lezcano help 404b988d3f0SDaniel Lezcano Support for the Atmel ST timer. 405b53cdd03SAlexandre Belloni 4066938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 40739366ef4SDaniel Lezcano bool "Exynos multi core timer driver" if COMPILE_TEST 408f1a4c1f3SChanwoo Choi depends on ARM || ARM64 4096938d75aSThomas Abraham help 4106938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 411241a9871SArnd Bergmann 412f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 413de37b0b5SAlexandre Belloni bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 414d7023e62SRichard Weinberger depends on HAS_IOMEM 415f1189989STomasz Figa help 416f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 417f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 418f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 419f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 420c1967249SJingchang Lu 4212529c3a3SXiubo Liconfig FSL_FTM_TIMER 422ef49336bSDaniel Lezcano bool "Freescale FlexTimer Module driver" if COMPILE_TEST 423d7023e62SRichard Weinberger depends on HAS_IOMEM 42403724ac3SDaniel Lezcano select CLKSRC_MMIO 4252529c3a3SXiubo Li help 4262529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 4272529c3a3SXiubo Li 428c1967249SJingchang Luconfig VF_PIT_TIMER 429c1967249SJingchang Lu bool 4302be6d9bfSArnd Bergmann select CLKSRC_MMIO 431c1967249SJingchang Lu help 432c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 433fd3f1270SMagnus Damm 43489355274SNeil Armstrongconfig OXNAS_RPS_TIMER 43589355274SNeil Armstrong bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 436bb0eb050SDaniel Lezcano select TIMER_OF 43789355274SNeil Armstrong select CLKSRC_MMIO 43889355274SNeil Armstrong help 43989355274SNeil Armstrong This enables support for the Oxford Semiconductor OXNAS RPS timers. 44089355274SNeil Armstrong 441fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 442fd3f1270SMagnus Damm bool 443fd3f1270SMagnus Damm 444ecb3530dSMatthias Bruggerconfig MTK_TIMER 445fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 4462f8a26c1SArnd Bergmann depends on HAS_IOMEM 447bb0eb050SDaniel Lezcano select TIMER_OF 448ecb3530dSMatthias Brugger select CLKSRC_MMIO 449fbca9eabSDaniel Lezcano help 450fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 451ecb3530dSMatthias Brugger 452067bc914SBaolin Wangconfig SPRD_TIMER 4538a1ece26SChunyan Zhang bool "Spreadtrum timer driver" if EXPERT 454067bc914SBaolin Wang depends on HAS_IOMEM 4558a1ece26SChunyan Zhang depends on (ARCH_SPRD || COMPILE_TEST) 4568a1ece26SChunyan Zhang default ARCH_SPRD 457067bc914SBaolin Wang select TIMER_OF 458067bc914SBaolin Wang help 459067bc914SBaolin Wang Enables support for the Spreadtrum timer driver. 460067bc914SBaolin Wang 461fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 462fd3f1270SMagnus Damm bool 463fd3f1270SMagnus Damm 464fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 465fd3f1270SMagnus Damm bool 466fd3f1270SMagnus Damm 467fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 468fd3f1270SMagnus Damm bool 469fd3f1270SMagnus Damm 4709995f4f1SRich Felkerconfig CLKSRC_JCORE_PIT 4719995f4f1SRich Felker bool "J-Core PIT timer driver" if COMPILE_TEST 4729995f4f1SRich Felker depends on OF 4739995f4f1SRich Felker depends on HAS_IOMEM 4749995f4f1SRich Felker select CLKSRC_MMIO 4759995f4f1SRich Felker help 4769995f4f1SRich Felker This enables build of clocksource and clockevent driver for 4779995f4f1SRich Felker the integrated PIT in the J-Core synthesizable, open source SoC. 4789995f4f1SRich Felker 479fd3f1270SMagnus Dammconfig SH_TIMER_CMT 480fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 48111bc26feSRichard Weinberger depends on HAS_IOMEM 482fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 483fd3f1270SMagnus Damm help 484fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 485fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 486fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 487fd3f1270SMagnus Damm 488fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 489fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 49011bc26feSRichard Weinberger depends on HAS_IOMEM 491fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 492fd3f1270SMagnus Damm help 493fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 4947e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 495fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 496fd3f1270SMagnus Damm 497fb6002a8SChris Brandtconfig RENESAS_OSTM 498fb6002a8SChris Brandt bool "Renesas OSTM timer driver" if COMPILE_TEST 499fb6002a8SChris Brandt select CLKSRC_MMIO 500fb6002a8SChris Brandt help 501fb6002a8SChris Brandt Enables the support for the Renesas OSTM. 502fb6002a8SChris Brandt 503fd3f1270SMagnus Dammconfig SH_TIMER_TMU 504fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 50511bc26feSRichard Weinberger depends on HAS_IOMEM 506fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 507fd3f1270SMagnus Damm help 508fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 509fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 510fd3f1270SMagnus Damm SoCs from Renesas. 511fd3f1270SMagnus Damm 512fd3f1270SMagnus Dammconfig EM_TIMER_STI 513fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 5142f8a26c1SArnd Bergmann depends on HAS_IOMEM 515fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 516fd3f1270SMagnus Damm help 517fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 518fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 519fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 520dfc25e45SLinus Torvalds 5213f8e8ceeSKumar Galaconfig CLKSRC_QCOM 5223dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 5233dc0e9f6SDaniel Lezcano depends on ARM 524bb0eb050SDaniel Lezcano select TIMER_OF 5253dc0e9f6SDaniel Lezcano help 5263dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 5273dc0e9f6SDaniel Lezcano Qualcomm SoCs. 528220e2a8dSPawel Moll 529220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 5305cc87a4dSDaniel Lezcano bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 5315cc87a4dSDaniel Lezcano depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 532bb0eb050SDaniel Lezcano select TIMER_OF 533220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 534220e2a8dSPawel Moll help 535220e2a8dSPawel Moll This option enables clock source based on free running 536220e2a8dSPawel Moll counter available in the "System Registers" block of 537220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 538220e2a8dSPawel Moll platforms. 53958394271SJean Delvare 540fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 541fa5635a2SAndrew Bresticker bool 542fa5635a2SAndrew Bresticker depends on MIPS_GIC 543bb0eb050SDaniel Lezcano select TIMER_OF 544fa5635a2SAndrew Bresticker 545ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 5465a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 5475a7351f0SDaniel Lezcano depends on ARM 548bb0eb050SDaniel Lezcano select TIMER_OF 5490881841fSDaniel Lezcano select CLKSRC_MMIO 5505a7351f0SDaniel Lezcano help 5515a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 552ccd63ce4SMarc Gonzalez 553e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 5545ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 555d7023e62SRichard Weinberger depends on HAS_IOMEM 5565ae996cbSDaniel Lezcano select CLKSRC_MMIO 557e074ff86SDmitry Eremin-Solenikov help 558e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 559e074ff86SDmitry Eremin-Solenikov platforms. 560618b902dSYoshinori Sato 56197a23bebSDaniel Lezcanoconfig H8300_TMR8 56246e7c3c6SDaniel Lezcano bool "Clockevent timer for the H8300 platform" if COMPILE_TEST 5632f8a26c1SArnd Bergmann depends on HAS_IOMEM 56446e7c3c6SDaniel Lezcano help 56546e7c3c6SDaniel Lezcano This enables the 8 bits timer for the H8300 platform. 56697a23bebSDaniel Lezcano 567618b902dSYoshinori Satoconfig H8300_TMR16 56846e7c3c6SDaniel Lezcano bool "Clockevent timer for the H83069 platform" if COMPILE_TEST 5692f8a26c1SArnd Bergmann depends on HAS_IOMEM 57046e7c3c6SDaniel Lezcano help 57146e7c3c6SDaniel Lezcano This enables the 16 bits timer for the H8300 platform with the 57246e7c3c6SDaniel Lezcano H83069 cpu. 573618b902dSYoshinori Sato 574618b902dSYoshinori Satoconfig H8300_TPU 57546e7c3c6SDaniel Lezcano bool "Clocksource for the H8300 platform" if COMPILE_TEST 5762f8a26c1SArnd Bergmann depends on HAS_IOMEM 57746e7c3c6SDaniel Lezcano help 57846e7c3c6SDaniel Lezcano This enables the clocksource for the H8300 platform with the 57946e7c3c6SDaniel Lezcano H8S2678 cpu. 580618b902dSYoshinori Sato 581bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 582bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 583bea5af41SShawn Guo depends on ARM && CLKDEV_LOOKUP 584bea5af41SShawn Guo select CLKSRC_MMIO 585bea5af41SShawn Guo 586059ab7b8SDong Aishengconfig CLKSRC_IMX_TPM 587059ab7b8SDong Aisheng bool "Clocksource using i.MX TPM" if COMPILE_TEST 5882f8a26c1SArnd Bergmann depends on ARM && CLKDEV_LOOKUP 589059ab7b8SDong Aisheng select CLKSRC_MMIO 590059ab7b8SDong Aisheng help 591059ab7b8SDong Aisheng Enable this option to use IMX Timer/PWM Module (TPM) timer as 592059ab7b8SDong Aisheng clocksource. 593059ab7b8SDong Aisheng 59470bef01cSLee Jonesconfig CLKSRC_ST_LPC 595baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 596bb0eb050SDaniel Lezcano select TIMER_OF if OF 597863ee050SRichard Weinberger depends on HAS_IOMEM 5982be6d9bfSArnd Bergmann select CLKSRC_MMIO 59970bef01cSLee Jones help 60070bef01cSLee Jones Enable this option to use the Low Power controller timer 60170bef01cSLee Jones as clocksource. 60270bef01cSLee Jones 60335dbb74aSRick Chenconfig ATCPIT100_TIMER 60435dbb74aSRick Chen bool "ATCPIT100 timer driver" 60535dbb74aSRick Chen depends on NDS32 || COMPILE_TEST 60635dbb74aSRick Chen depends on HAS_IOMEM 60735dbb74aSRick Chen select TIMER_OF 60835dbb74aSRick Chen default NDS32 60935dbb74aSRick Chen help 61035dbb74aSRick Chen This option enables support for the Andestech ATCPIT100 timers. 61135dbb74aSRick Chen 61262b01943SPalmer Dabbeltconfig RISCV_TIMER 61362b01943SPalmer Dabbelt bool "Timer for the RISC-V platform" 61462b01943SPalmer Dabbelt depends on RISCV 61562b01943SPalmer Dabbelt default y 61662b01943SPalmer Dabbelt select TIMER_PROBE 61762b01943SPalmer Dabbelt select TIMER_OF 61862b01943SPalmer Dabbelt help 61962b01943SPalmer Dabbelt This enables the per-hart timer built into all RISC-V systems, which 62062b01943SPalmer Dabbelt is accessed via both the SBI and the rdcycle instruction. This is 62162b01943SPalmer Dabbelt required for all RISC-V systems. 62262b01943SPalmer Dabbelt 62358394271SJean Delvareendmenu 624