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 1087f83a132SManivannan Sadhasivamconfig RDA_TIMER 1097f83a132SManivannan Sadhasivam bool "RDA timer driver" if COMPILE_TEST 1107f83a132SManivannan Sadhasivam depends on GENERIC_CLOCKEVENTS 1117f83a132SManivannan Sadhasivam select CLKSRC_MMIO 1127f83a132SManivannan Sadhasivam select TIMER_OF 1137f83a132SManivannan Sadhasivam help 1147f83a132SManivannan Sadhasivam Enables the support for the RDA Micro timer driver. 1157f83a132SManivannan Sadhasivam 116119fd635SMaxime Ripardconfig SUN4I_TIMER 117b4fcd48bSDaniel Lezcano bool "Sun4i timer driver" if COMPILE_TEST 118d7023e62SRichard Weinberger depends on HAS_IOMEM 11971c568c0SMaxime Ripard select CLKSRC_MMIO 120239751edSDaniel Lezcano select TIMER_OF 121b4fcd48bSDaniel Lezcano help 122b4fcd48bSDaniel Lezcano Enables support for the Sun4i timer. 123b2ac5d75SMaxime Ripard 12467905540SMaxime Ripardconfig SUN5I_HSTIMER 125f0c5afb7SDaniel Lezcano bool "Sun5i timer driver" if COMPILE_TEST 12667905540SMaxime Ripard select CLKSRC_MMIO 127f0c5afb7SDaniel Lezcano depends on COMMON_CLK 128f0c5afb7SDaniel Lezcano help 129f0c5afb7SDaniel Lezcano Enables support the Sun5i timer. 13067905540SMaxime Ripard 131910978e7SThierry Redingconfig TEGRA_TIMER 132adce4bc8SDaniel Lezcano bool "Tegra timer driver" if COMPILE_TEST 1332be6d9bfSArnd Bergmann select CLKSRC_MMIO 134adce4bc8SDaniel Lezcano depends on ARM 135adce4bc8SDaniel Lezcano help 136adce4bc8SDaniel Lezcano Enables support for the Tegra driver. 137910978e7SThierry Reding 138ff7ec345STony Priskconfig VT8500_TIMER 139b4bdf7efSDaniel Lezcano bool "VT8500 timer driver" if COMPILE_TEST 140d7023e62SRichard Weinberger depends on HAS_IOMEM 141b4bdf7efSDaniel Lezcano help 142b4bdf7efSDaniel Lezcano Enables support for the VT8500 driver. 143ff7ec345STony Prisk 1441c00289eSTomer Maimonconfig NPCM7XX_TIMER 1451c00289eSTomer Maimon bool "NPCM7xx timer driver" if COMPILE_TEST 1461c00289eSTomer Maimon depends on HAS_IOMEM 1471c00289eSTomer Maimon select CLKSRC_MMIO 1481c00289eSTomer Maimon help 1491c00289eSTomer Maimon Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 1501c00289eSTomer Maimon While TIMER0 serves as clockevent and TIMER1 serves as clocksource. 1511c00289eSTomer Maimon 1524f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 15357f49318SDaniel Lezcano bool "Cadence TTC timer driver" if COMPILE_TEST 15457f49318SDaniel Lezcano depends on COMMON_CLK 15557f49318SDaniel Lezcano help 15657f49318SDaniel Lezcano Enables support for the cadence ttc driver. 1574f0f234fSMichal Simek 158a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 159b9755841SDaniel Lezcano bool "ASM9260 timer driver" if COMPILE_TEST 160a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 161bb0eb050SDaniel Lezcano select TIMER_OF 162b9755841SDaniel Lezcano help 163b9755841SDaniel Lezcano Enables support for the ASM9260 timer. 164a8b1b9fcSDaniel Lezcano 165694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 16670329653SDaniel Lezcano bool "Nomakdik clocksource driver" if COMPILE_TEST 16770329653SDaniel Lezcano depends on ARM 168694e33a7SLinus Walleij select CLKSRC_MMIO 169694e33a7SLinus Walleij help 170694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 171694e33a7SLinus Walleij to multiple interrupt generating programmable 172694e33a7SLinus Walleij 32-bit free running decrementing counters. 173694e33a7SLinus Walleij 174489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 1751becd6edSDaniel Lezcano bool "Clocksource PRCMU Timer" if COMPILE_TEST 176d7023e62SRichard Weinberger depends on HAS_IOMEM 177489bcceaSMattias Wallin help 178489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 179489bcceaSMattias Wallin 180ecf0efdcSDaniel Lezcanoconfig CLPS711X_TIMER 181ecf0efdcSDaniel Lezcano bool "Cirrus logic timer driver" if COMPILE_TEST 182ecf0efdcSDaniel Lezcano select CLKSRC_MMIO 183ecf0efdcSDaniel Lezcano help 184ecf0efdcSDaniel Lezcano Enables support for the Cirrus Logic PS711 timer. 185ecf0efdcSDaniel Lezcano 186b56d5d21SDaniel Lezcanoconfig ATLAS7_TIMER 187b56d5d21SDaniel Lezcano bool "Atlas7 timer driver" if COMPILE_TEST 188b56d5d21SDaniel Lezcano select CLKSRC_MMIO 189b56d5d21SDaniel Lezcano help 190b56d5d21SDaniel Lezcano Enables support for the Atlas7 timer. 191b56d5d21SDaniel Lezcano 192d81c50a0SDaniel Lezcanoconfig MXS_TIMER 193d81c50a0SDaniel Lezcano bool "Mxs timer driver" if COMPILE_TEST 194d81c50a0SDaniel Lezcano select CLKSRC_MMIO 195d81c50a0SDaniel Lezcano select STMP_DEVICE 196d81c50a0SDaniel Lezcano help 197d81c50a0SDaniel Lezcano Enables support for the Mxs timer. 198d81c50a0SDaniel Lezcano 199f3550d49SDaniel Lezcanoconfig PRIMA2_TIMER 200f3550d49SDaniel Lezcano bool "Prima2 timer driver" if COMPILE_TEST 201f3550d49SDaniel Lezcano select CLKSRC_MMIO 202f3550d49SDaniel Lezcano help 203f3550d49SDaniel Lezcano Enables support for the Prima2 timer. 204f3550d49SDaniel Lezcano 20585f98db4SDaniel Lezcanoconfig U300_TIMER 20685f98db4SDaniel Lezcano bool "U300 timer driver" if COMPILE_TEST 20785f98db4SDaniel Lezcano depends on ARM 20885f98db4SDaniel Lezcano select CLKSRC_MMIO 20985f98db4SDaniel Lezcano help 21085f98db4SDaniel Lezcano Enables support for the U300 timer. 21185f98db4SDaniel Lezcano 212d683b9dcSDaniel Lezcanoconfig NSPIRE_TIMER 213d683b9dcSDaniel Lezcano bool "NSpire timer driver" if COMPILE_TEST 214d683b9dcSDaniel Lezcano select CLKSRC_MMIO 215d683b9dcSDaniel Lezcano help 216d683b9dcSDaniel Lezcano Enables support for the Nspire timer. 217d683b9dcSDaniel Lezcano 218c12547a0SDaniel Lezcanoconfig KEYSTONE_TIMER 219c12547a0SDaniel Lezcano bool "Keystone timer driver" if COMPILE_TEST 220c12547a0SDaniel Lezcano depends on ARM || ARM64 221c12547a0SDaniel Lezcano select CLKSRC_MMIO 222c12547a0SDaniel Lezcano help 223c12547a0SDaniel Lezcano Enables support for the Keystone timer. 224c12547a0SDaniel Lezcano 225568c0342SDaniel Lezcanoconfig INTEGRATOR_AP_TIMER 226568c0342SDaniel Lezcano bool "Integrator-ap timer driver" if COMPILE_TEST 227568c0342SDaniel Lezcano select CLKSRC_MMIO 228568c0342SDaniel Lezcano help 229568c0342SDaniel Lezcano Enables support for the Integrator-ap timer. 230568c0342SDaniel Lezcano 2319c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 2329c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 2339c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 23409ca2757SAxel Lin select CLKSRC_MMIO 2359c9b7818SUwe Kleine-König default ARCH_EFM32 2369c9b7818SUwe Kleine-König help 2379c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 2389c9b7818SUwe Kleine-König event device. 2399c9b7818SUwe Kleine-König 240050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 241ddcf48c7SDaniel Lezcano bool "Clocksource for LPC32XX" if COMPILE_TEST 2422f8a26c1SArnd Bergmann depends on HAS_IOMEM 2431b18fd20SEzequiel Garcia depends on ARM 244050dd322SJoachim Eastwood select CLKSRC_MMIO 245bb0eb050SDaniel Lezcano select TIMER_OF 246ddcf48c7SDaniel Lezcano help 247ddcf48c7SDaniel Lezcano Support for the LPC32XX clocksource. 248050dd322SJoachim Eastwood 24984583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 250dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 2512f8a26c1SArnd Bergmann depends on HAS_IOMEM 252bb0eb050SDaniel Lezcano select TIMER_OF 253dfdb1652SDaniel Lezcano help 254dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 25584583983SEzequiel Garcia 256fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 257fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 258dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 259bb0eb050SDaniel Lezcano select TIMER_OF if OF 260fe851f56SFelipe Balbi help 261fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 262fe851f56SFelipe Balbi available on many OMAP-like platforms. 263fe851f56SFelipe Balbi 264a5322457SNoam Camusconfig CLKSRC_NPS 265a5322457SNoam Camus bool "NPS400 clocksource driver" if COMPILE_TEST 266a5322457SNoam Camus depends on !PHYS_ADDR_T_64BIT 267a5322457SNoam Camus select CLKSRC_MMIO 268bb0eb050SDaniel Lezcano select TIMER_OF if OF 269a5322457SNoam Camus help 270a5322457SNoam Camus NPS400 clocksource support. 271a5322457SNoam Camus Got 64 bit counter with update rate up to 1000MHz. 272a5322457SNoam Camus This counter is accessed via couple of 32 bit memory mapped registers. 273a5322457SNoam Camus 274e37e4593SMaxime Coquelinconfig CLKSRC_STM32 2751cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 2761cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 277e37e4593SMaxime Coquelin select CLKSRC_MMIO 278d04af490SBenjamin Gaignard select TIMER_OF 279e37e4593SMaxime Coquelin 2800302637fSVladimir Murzinconfig CLKSRC_MPS2 2810302637fSVladimir Murzin bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 2820302637fSVladimir Murzin depends on GENERIC_SCHED_CLOCK 2830302637fSVladimir Murzin select CLKSRC_MMIO 284bb0eb050SDaniel Lezcano select TIMER_OF 2850302637fSVladimir Murzin 286c4c9a040SVineet Guptaconfig ARC_TIMERS 287c4c9a040SVineet Gupta bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 288bf287607SAlexey Brodkin depends on GENERIC_SCHED_CLOCK 289bb0eb050SDaniel Lezcano select TIMER_OF 290c4c9a040SVineet Gupta help 291c4c9a040SVineet Gupta These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 292c4c9a040SVineet Gupta (ARC700 as well as ARC HS38). 293c4c9a040SVineet Gupta TIMER0 serves as clockevent while TIMER1 provides clocksource 294c4c9a040SVineet Gupta 295c4c9a040SVineet Guptaconfig ARC_TIMERS_64BIT 296c4c9a040SVineet Gupta bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 297c4c9a040SVineet Gupta depends on ARC_TIMERS 298bb0eb050SDaniel Lezcano select TIMER_OF 299c4c9a040SVineet Gupta help 300c4c9a040SVineet Gupta This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP) 301c4c9a040SVineet Gupta RTC is implemented inside the core, while GFRC sits outside the core in 302c4c9a040SVineet Gupta ARConnect IP block. Driver automatically picks one of them for clocksource 303c4c9a040SVineet Gupta as appropriate. 304c4c9a040SVineet Gupta 3058a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 3068a4da6e3SMark Rutland bool 307bb0eb050SDaniel Lezcano select TIMER_OF if OF 308fa1bffabSDaniel Lezcano select TIMER_ACPI if ACPI 309a2c5d4edSJames Hogan 310037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 31146fd5c6bSWill Deacon bool "Enable ARM architected timer event stream generation by default" 312037f6377SWill Deacon default y if ARM_ARCH_TIMER 31377f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 314037f6377SWill Deacon help 31546fd5c6bSWill Deacon This option enables support by default for event stream generation 31646fd5c6bSWill Deacon based on the ARM architected timer. It is used for waking up CPUs 31746fd5c6bSWill Deacon executing the wfe instruction at a frequency represented as a 31846fd5c6bSWill Deacon power-of-2 divisor of the clock rate. The behaviour can also be 31946fd5c6bSWill Deacon overridden on the command line using the 32046fd5c6bSWill Deacon clocksource.arm_arch_timer.evtstream parameter. 321037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 322037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 323037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 324037f6377SWill Deacon event is not generated. 325037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 326037f6377SWill Deacon hardware anomalies of missing events. 327037f6377SWill Deacon 32816d10ef2SDing Tianhongconfig ARM_ARCH_TIMER_OOL_WORKAROUND 32916d10ef2SDing Tianhong bool 33016d10ef2SDing Tianhong 331f6dc1576SScott Woodconfig FSL_ERRATUM_A008585 332f6dc1576SScott Wood bool "Workaround for Freescale/NXP Erratum A-008585" 333f6dc1576SScott Wood default y 334f6dc1576SScott Wood depends on ARM_ARCH_TIMER && ARM64 33516d10ef2SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 336f6dc1576SScott Wood help 337f6dc1576SScott Wood This option enables a workaround for Freescale/NXP Erratum 338f6dc1576SScott Wood A-008585 ("ARM generic timer may contain an erroneous 339f6dc1576SScott Wood value"). The workaround will only be active if the 340f6dc1576SScott Wood fsl,erratum-a008585 property is found in the timer node. 341f6dc1576SScott Wood 342bb42ca47SDing Tianhongconfig HISILICON_ERRATUM_161010101 343bb42ca47SDing Tianhong bool "Workaround for Hisilicon Erratum 161010101" 344bb42ca47SDing Tianhong default y 345bb42ca47SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 346bb42ca47SDing Tianhong depends on ARM_ARCH_TIMER && ARM64 347bb42ca47SDing Tianhong help 348bb42ca47SDing Tianhong This option enables a workaround for Hisilicon Erratum 349bb42ca47SDing Tianhong 161010101. The workaround will be active if the hisilicon,erratum-161010101 350bb42ca47SDing Tianhong property is found in the timer node. 351bb42ca47SDing Tianhong 352fa8d815fSMarc Zyngierconfig ARM64_ERRATUM_858921 353fa8d815fSMarc Zyngier bool "Workaround for Cortex-A73 erratum 858921" 354fa8d815fSMarc Zyngier default y 355fa8d815fSMarc Zyngier select ARM_ARCH_TIMER_OOL_WORKAROUND 356fa8d815fSMarc Zyngier depends on ARM_ARCH_TIMER && ARM64 357fa8d815fSMarc Zyngier help 358fa8d815fSMarc Zyngier This option enables a workaround applicable to Cortex-A73 359fa8d815fSMarc Zyngier (all versions), whose counter may return incorrect values. 360fa8d815fSMarc Zyngier The workaround will be dynamically enabled when an affected 361fa8d815fSMarc Zyngier core is detected. 362fa8d815fSMarc Zyngier 363*c950ca8cSSamuel Hollandconfig SUN50I_ERRATUM_UNKNOWN1 364*c950ca8cSSamuel Holland bool "Workaround for Allwinner A64 erratum UNKNOWN1" 365*c950ca8cSSamuel Holland default y 366*c950ca8cSSamuel Holland depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI 367*c950ca8cSSamuel Holland select ARM_ARCH_TIMER_OOL_WORKAROUND 368*c950ca8cSSamuel Holland help 369*c950ca8cSSamuel Holland This option enables a workaround for instability in the timer on 370*c950ca8cSSamuel Holland the Allwinner A64 SoC. The workaround will only be active if the 371*c950ca8cSSamuel Holland allwinner,erratum-unknown1 property is found in the timer node. 372*c950ca8cSSamuel Holland 373c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 37467a87a43SDaniel Lezcano bool "Support for the ARM global timer" if COMPILE_TEST 375bb0eb050SDaniel Lezcano select TIMER_OF if OF 37667a87a43SDaniel Lezcano depends on ARM 377c1b40e44SStuart Menefy help 378c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 379c1b40e44SStuart Menefy 3800b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 3810b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 382002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 3830b7402dcSSudeep Holla select CLKSRC_MMIO 384bb0eb050SDaniel Lezcano select TIMER_OF if OF 3850b7402dcSSudeep Holla 386c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 387c1b40e44SStuart Menefy bool 388c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 389c1b40e44SStuart Menefy default y 390c1b40e44SStuart Menefy help 391c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 392c1b40e44SStuart Menefy 3934958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 394e2146d86SDaniel Lezcano bool "Support for the ARMv7M system time" if COMPILE_TEST 395bb0eb050SDaniel Lezcano select TIMER_OF if OF 3964958ebb3SMaxime Coquelin select CLKSRC_MMIO 3974958ebb3SMaxime Coquelin help 3984958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 3994958ebb3SMaxime Coquelin 400b052ff30SMaxime Ripardconfig ATMEL_PIT 401bb0eb050SDaniel Lezcano select TIMER_OF if OF 402b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 403b052ff30SMaxime Ripard 404b53cdd03SAlexandre Belloniconfig ATMEL_ST 405b988d3f0SDaniel Lezcano bool "Atmel ST timer support" if COMPILE_TEST 406bd2746f0SMasahiro Yamada depends on HAS_IOMEM 407bb0eb050SDaniel Lezcano select TIMER_OF 4087ab7ef74SAlexandre Belloni select MFD_SYSCON 409b988d3f0SDaniel Lezcano help 410b988d3f0SDaniel Lezcano Support for the Atmel ST timer. 411b53cdd03SAlexandre Belloni 4126938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 41339366ef4SDaniel Lezcano bool "Exynos multi core timer driver" if COMPILE_TEST 414f1a4c1f3SChanwoo Choi depends on ARM || ARM64 4156938d75aSThomas Abraham help 4166938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 417241a9871SArnd Bergmann 418f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 419de37b0b5SAlexandre Belloni bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 420d7023e62SRichard Weinberger depends on HAS_IOMEM 421f1189989STomasz Figa help 422f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 423f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 424f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 425f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 426c1967249SJingchang Lu 4272529c3a3SXiubo Liconfig FSL_FTM_TIMER 428ef49336bSDaniel Lezcano bool "Freescale FlexTimer Module driver" if COMPILE_TEST 429d7023e62SRichard Weinberger depends on HAS_IOMEM 43003724ac3SDaniel Lezcano select CLKSRC_MMIO 4312529c3a3SXiubo Li help 4322529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 4332529c3a3SXiubo Li 434c1967249SJingchang Luconfig VF_PIT_TIMER 435c1967249SJingchang Lu bool 4362be6d9bfSArnd Bergmann select CLKSRC_MMIO 437c1967249SJingchang Lu help 438c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 439fd3f1270SMagnus Damm 44089355274SNeil Armstrongconfig OXNAS_RPS_TIMER 44189355274SNeil Armstrong bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 442bb0eb050SDaniel Lezcano select TIMER_OF 44389355274SNeil Armstrong select CLKSRC_MMIO 44489355274SNeil Armstrong help 44589355274SNeil Armstrong This enables support for the Oxford Semiconductor OXNAS RPS timers. 44689355274SNeil Armstrong 447fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 448fd3f1270SMagnus Damm bool 449fd3f1270SMagnus Damm 450ecb3530dSMatthias Bruggerconfig MTK_TIMER 451fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 4522f8a26c1SArnd Bergmann depends on HAS_IOMEM 453bb0eb050SDaniel Lezcano select TIMER_OF 454ecb3530dSMatthias Brugger select CLKSRC_MMIO 455fbca9eabSDaniel Lezcano help 456fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 457ecb3530dSMatthias Brugger 458067bc914SBaolin Wangconfig SPRD_TIMER 4598a1ece26SChunyan Zhang bool "Spreadtrum timer driver" if EXPERT 460067bc914SBaolin Wang depends on HAS_IOMEM 4618a1ece26SChunyan Zhang depends on (ARCH_SPRD || COMPILE_TEST) 4628a1ece26SChunyan Zhang default ARCH_SPRD 463067bc914SBaolin Wang select TIMER_OF 464067bc914SBaolin Wang help 465067bc914SBaolin Wang Enables support for the Spreadtrum timer driver. 466067bc914SBaolin Wang 467fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 468fd3f1270SMagnus Damm bool 469fd3f1270SMagnus Damm 470fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 471fd3f1270SMagnus Damm bool 472fd3f1270SMagnus Damm 473fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 474fd3f1270SMagnus Damm bool 475fd3f1270SMagnus Damm 4769995f4f1SRich Felkerconfig CLKSRC_JCORE_PIT 4779995f4f1SRich Felker bool "J-Core PIT timer driver" if COMPILE_TEST 4789995f4f1SRich Felker depends on OF 4799995f4f1SRich Felker depends on HAS_IOMEM 4809995f4f1SRich Felker select CLKSRC_MMIO 4819995f4f1SRich Felker help 4829995f4f1SRich Felker This enables build of clocksource and clockevent driver for 4839995f4f1SRich Felker the integrated PIT in the J-Core synthesizable, open source SoC. 4849995f4f1SRich Felker 485fd3f1270SMagnus Dammconfig SH_TIMER_CMT 486fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 48711bc26feSRichard Weinberger depends on HAS_IOMEM 488fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 489fd3f1270SMagnus Damm help 490fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 491fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 492fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 493fd3f1270SMagnus Damm 494fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 495fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 49611bc26feSRichard Weinberger depends on HAS_IOMEM 497fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 498fd3f1270SMagnus Damm help 499fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 5007e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 501fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 502fd3f1270SMagnus Damm 503fb6002a8SChris Brandtconfig RENESAS_OSTM 504fb6002a8SChris Brandt bool "Renesas OSTM timer driver" if COMPILE_TEST 505fb6002a8SChris Brandt select CLKSRC_MMIO 506fb6002a8SChris Brandt help 507fb6002a8SChris Brandt Enables the support for the Renesas OSTM. 508fb6002a8SChris Brandt 509fd3f1270SMagnus Dammconfig SH_TIMER_TMU 510fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 51111bc26feSRichard Weinberger depends on HAS_IOMEM 512fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 513fd3f1270SMagnus Damm help 514fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 515fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 516fd3f1270SMagnus Damm SoCs from Renesas. 517fd3f1270SMagnus Damm 518fd3f1270SMagnus Dammconfig EM_TIMER_STI 519fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 5202f8a26c1SArnd Bergmann depends on HAS_IOMEM 521fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 522fd3f1270SMagnus Damm help 523fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 524fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 525fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 526dfc25e45SLinus Torvalds 5273f8e8ceeSKumar Galaconfig CLKSRC_QCOM 5283dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 5293dc0e9f6SDaniel Lezcano depends on ARM 530bb0eb050SDaniel Lezcano select TIMER_OF 5313dc0e9f6SDaniel Lezcano help 5323dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 5333dc0e9f6SDaniel Lezcano Qualcomm SoCs. 534220e2a8dSPawel Moll 535220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 5365cc87a4dSDaniel Lezcano bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 5375cc87a4dSDaniel Lezcano depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 538bb0eb050SDaniel Lezcano select TIMER_OF 539220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 540220e2a8dSPawel Moll help 541220e2a8dSPawel Moll This option enables clock source based on free running 542220e2a8dSPawel Moll counter available in the "System Registers" block of 543220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 544220e2a8dSPawel Moll platforms. 54558394271SJean Delvare 546fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 547fa5635a2SAndrew Bresticker bool 548fa5635a2SAndrew Bresticker depends on MIPS_GIC 549bb0eb050SDaniel Lezcano select TIMER_OF 550fa5635a2SAndrew Bresticker 551ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 5525a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 5535a7351f0SDaniel Lezcano depends on ARM 554bb0eb050SDaniel Lezcano select TIMER_OF 5550881841fSDaniel Lezcano select CLKSRC_MMIO 5565a7351f0SDaniel Lezcano help 5575a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 558ccd63ce4SMarc Gonzalez 559e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 5605ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 561d7023e62SRichard Weinberger depends on HAS_IOMEM 5625ae996cbSDaniel Lezcano select CLKSRC_MMIO 563e074ff86SDmitry Eremin-Solenikov help 564e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 565e074ff86SDmitry Eremin-Solenikov platforms. 566618b902dSYoshinori Sato 56797a23bebSDaniel Lezcanoconfig H8300_TMR8 56846e7c3c6SDaniel Lezcano bool "Clockevent timer for the H8300 platform" if COMPILE_TEST 5692f8a26c1SArnd Bergmann depends on HAS_IOMEM 57046e7c3c6SDaniel Lezcano help 57146e7c3c6SDaniel Lezcano This enables the 8 bits timer for the H8300 platform. 57297a23bebSDaniel Lezcano 573618b902dSYoshinori Satoconfig H8300_TMR16 57446e7c3c6SDaniel Lezcano bool "Clockevent timer for the H83069 platform" if COMPILE_TEST 5752f8a26c1SArnd Bergmann depends on HAS_IOMEM 57646e7c3c6SDaniel Lezcano help 57746e7c3c6SDaniel Lezcano This enables the 16 bits timer for the H8300 platform with the 57846e7c3c6SDaniel Lezcano H83069 cpu. 579618b902dSYoshinori Sato 580618b902dSYoshinori Satoconfig H8300_TPU 58146e7c3c6SDaniel Lezcano bool "Clocksource for the H8300 platform" if COMPILE_TEST 5822f8a26c1SArnd Bergmann depends on HAS_IOMEM 58346e7c3c6SDaniel Lezcano help 58446e7c3c6SDaniel Lezcano This enables the clocksource for the H8300 platform with the 58546e7c3c6SDaniel Lezcano H8S2678 cpu. 586618b902dSYoshinori Sato 587bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 588bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 589df181e38SAnson Huang depends on (ARM || ARM64) && CLKDEV_LOOKUP 590bea5af41SShawn Guo select CLKSRC_MMIO 591bea5af41SShawn Guo 592059ab7b8SDong Aishengconfig CLKSRC_IMX_TPM 593059ab7b8SDong Aisheng bool "Clocksource using i.MX TPM" if COMPILE_TEST 5942f8a26c1SArnd Bergmann depends on ARM && CLKDEV_LOOKUP 595059ab7b8SDong Aisheng select CLKSRC_MMIO 596059ab7b8SDong Aisheng help 597059ab7b8SDong Aisheng Enable this option to use IMX Timer/PWM Module (TPM) timer as 598059ab7b8SDong Aisheng clocksource. 599059ab7b8SDong Aisheng 60070bef01cSLee Jonesconfig CLKSRC_ST_LPC 601baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 602bb0eb050SDaniel Lezcano select TIMER_OF if OF 603863ee050SRichard Weinberger depends on HAS_IOMEM 6042be6d9bfSArnd Bergmann select CLKSRC_MMIO 60570bef01cSLee Jones help 60670bef01cSLee Jones Enable this option to use the Low Power controller timer 60770bef01cSLee Jones as clocksource. 60870bef01cSLee Jones 60935dbb74aSRick Chenconfig ATCPIT100_TIMER 61035dbb74aSRick Chen bool "ATCPIT100 timer driver" 61135dbb74aSRick Chen depends on NDS32 || COMPILE_TEST 61235dbb74aSRick Chen depends on HAS_IOMEM 61335dbb74aSRick Chen select TIMER_OF 61435dbb74aSRick Chen default NDS32 61535dbb74aSRick Chen help 61635dbb74aSRick Chen This option enables support for the Andestech ATCPIT100 timers. 61735dbb74aSRick Chen 61862b01943SPalmer Dabbeltconfig RISCV_TIMER 61962b01943SPalmer Dabbelt bool "Timer for the RISC-V platform" 62092e0d143SAnup Patel depends on GENERIC_SCHED_CLOCK && RISCV 62162b01943SPalmer Dabbelt default y 62262b01943SPalmer Dabbelt select TIMER_PROBE 62362b01943SPalmer Dabbelt select TIMER_OF 62462b01943SPalmer Dabbelt help 62562b01943SPalmer Dabbelt This enables the per-hart timer built into all RISC-V systems, which 62662b01943SPalmer Dabbelt is accessed via both the SBI and the rdcycle instruction. This is 62762b01943SPalmer Dabbelt required for all RISC-V systems. 62862b01943SPalmer Dabbelt 629a7ad38b0SGuo Renconfig CSKY_MP_TIMER 630a7ad38b0SGuo Ren bool "SMP Timer for the C-SKY platform" if COMPILE_TEST 631a7ad38b0SGuo Ren depends on CSKY 632a7ad38b0SGuo Ren select TIMER_OF 633a7ad38b0SGuo Ren help 634a7ad38b0SGuo Ren Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP 635a7ad38b0SGuo Ren system. 636a7ad38b0SGuo Ren csky,mptimer is not only used in SMP system, it also could be used 637a7ad38b0SGuo Ren single core system. It's not a mmio reg and it use mtcr/mfcr instruction. 638a7ad38b0SGuo Ren 63933745c3cSGuo Renconfig GX6605S_TIMER 64033745c3cSGuo Ren bool "Gx6605s SOC system timer driver" if COMPILE_TEST 64133745c3cSGuo Ren depends on CSKY 64233745c3cSGuo Ren select CLKSRC_MMIO 64333745c3cSGuo Ren select TIMER_OF 64433745c3cSGuo Ren help 64533745c3cSGuo Ren This option enables support for gx6605s SOC's timer. 64633745c3cSGuo Ren 64758394271SJean Delvareendmenu 648