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 134b4822dc7SJoseph Lo select TIMER_OF 135b4822dc7SJoseph Lo depends on ARM || ARM64 136adce4bc8SDaniel Lezcano help 137adce4bc8SDaniel Lezcano Enables support for the Tegra driver. 138910978e7SThierry Reding 139ff7ec345STony Priskconfig VT8500_TIMER 140b4bdf7efSDaniel Lezcano bool "VT8500 timer driver" if COMPILE_TEST 141d7023e62SRichard Weinberger depends on HAS_IOMEM 142b4bdf7efSDaniel Lezcano help 143b4bdf7efSDaniel Lezcano Enables support for the VT8500 driver. 144ff7ec345STony Prisk 1451c00289eSTomer Maimonconfig NPCM7XX_TIMER 1461c00289eSTomer Maimon bool "NPCM7xx timer driver" if COMPILE_TEST 1471c00289eSTomer Maimon depends on HAS_IOMEM 1481c00289eSTomer Maimon select CLKSRC_MMIO 1491c00289eSTomer Maimon help 1501c00289eSTomer Maimon Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 1511c00289eSTomer Maimon While TIMER0 serves as clockevent and TIMER1 serves as clocksource. 1521c00289eSTomer Maimon 1534f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 15457f49318SDaniel Lezcano bool "Cadence TTC timer driver" if COMPILE_TEST 15557f49318SDaniel Lezcano depends on COMMON_CLK 15657f49318SDaniel Lezcano help 15757f49318SDaniel Lezcano Enables support for the cadence ttc driver. 1584f0f234fSMichal Simek 159a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 160b9755841SDaniel Lezcano bool "ASM9260 timer driver" if COMPILE_TEST 161a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 162bb0eb050SDaniel Lezcano select TIMER_OF 163b9755841SDaniel Lezcano help 164b9755841SDaniel Lezcano Enables support for the ASM9260 timer. 165a8b1b9fcSDaniel Lezcano 166694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 16770329653SDaniel Lezcano bool "Nomakdik clocksource driver" if COMPILE_TEST 16870329653SDaniel Lezcano depends on ARM 169694e33a7SLinus Walleij select CLKSRC_MMIO 170694e33a7SLinus Walleij help 171694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 172694e33a7SLinus Walleij to multiple interrupt generating programmable 173694e33a7SLinus Walleij 32-bit free running decrementing counters. 174694e33a7SLinus Walleij 175489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 1761becd6edSDaniel Lezcano bool "Clocksource PRCMU Timer" if COMPILE_TEST 177d7023e62SRichard Weinberger depends on HAS_IOMEM 178489bcceaSMattias Wallin help 179489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 180489bcceaSMattias Wallin 181ecf0efdcSDaniel Lezcanoconfig CLPS711X_TIMER 182ecf0efdcSDaniel Lezcano bool "Cirrus logic timer driver" if COMPILE_TEST 183ecf0efdcSDaniel Lezcano select CLKSRC_MMIO 184ecf0efdcSDaniel Lezcano help 185ecf0efdcSDaniel Lezcano Enables support for the Cirrus Logic PS711 timer. 186ecf0efdcSDaniel Lezcano 187b56d5d21SDaniel Lezcanoconfig ATLAS7_TIMER 188b56d5d21SDaniel Lezcano bool "Atlas7 timer driver" if COMPILE_TEST 189b56d5d21SDaniel Lezcano select CLKSRC_MMIO 190b56d5d21SDaniel Lezcano help 191b56d5d21SDaniel Lezcano Enables support for the Atlas7 timer. 192b56d5d21SDaniel Lezcano 193d81c50a0SDaniel Lezcanoconfig MXS_TIMER 194d81c50a0SDaniel Lezcano bool "Mxs timer driver" if COMPILE_TEST 195d81c50a0SDaniel Lezcano select CLKSRC_MMIO 196d81c50a0SDaniel Lezcano select STMP_DEVICE 197d81c50a0SDaniel Lezcano help 198d81c50a0SDaniel Lezcano Enables support for the Mxs timer. 199d81c50a0SDaniel Lezcano 200f3550d49SDaniel Lezcanoconfig PRIMA2_TIMER 201f3550d49SDaniel Lezcano bool "Prima2 timer driver" if COMPILE_TEST 202f3550d49SDaniel Lezcano select CLKSRC_MMIO 203f3550d49SDaniel Lezcano help 204f3550d49SDaniel Lezcano Enables support for the Prima2 timer. 205f3550d49SDaniel Lezcano 20685f98db4SDaniel Lezcanoconfig U300_TIMER 20785f98db4SDaniel Lezcano bool "U300 timer driver" if COMPILE_TEST 20885f98db4SDaniel Lezcano depends on ARM 20985f98db4SDaniel Lezcano select CLKSRC_MMIO 21085f98db4SDaniel Lezcano help 21185f98db4SDaniel Lezcano Enables support for the U300 timer. 21285f98db4SDaniel Lezcano 213d683b9dcSDaniel Lezcanoconfig NSPIRE_TIMER 214d683b9dcSDaniel Lezcano bool "NSpire timer driver" if COMPILE_TEST 215d683b9dcSDaniel Lezcano select CLKSRC_MMIO 216d683b9dcSDaniel Lezcano help 217d683b9dcSDaniel Lezcano Enables support for the Nspire timer. 218d683b9dcSDaniel Lezcano 219c12547a0SDaniel Lezcanoconfig KEYSTONE_TIMER 220c12547a0SDaniel Lezcano bool "Keystone timer driver" if COMPILE_TEST 221c12547a0SDaniel Lezcano depends on ARM || ARM64 222c12547a0SDaniel Lezcano select CLKSRC_MMIO 223c12547a0SDaniel Lezcano help 224c12547a0SDaniel Lezcano Enables support for the Keystone timer. 225c12547a0SDaniel Lezcano 226568c0342SDaniel Lezcanoconfig INTEGRATOR_AP_TIMER 227568c0342SDaniel Lezcano bool "Integrator-ap timer driver" if COMPILE_TEST 228568c0342SDaniel Lezcano select CLKSRC_MMIO 229568c0342SDaniel Lezcano help 230568c0342SDaniel Lezcano Enables support for the Integrator-ap timer. 231568c0342SDaniel Lezcano 2329c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 2339c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 2349c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 23509ca2757SAxel Lin select CLKSRC_MMIO 2369c9b7818SUwe Kleine-König default ARCH_EFM32 2379c9b7818SUwe Kleine-König help 2389c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 2399c9b7818SUwe Kleine-König event device. 2409c9b7818SUwe Kleine-König 241050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 242ddcf48c7SDaniel Lezcano bool "Clocksource for LPC32XX" if COMPILE_TEST 2432f8a26c1SArnd Bergmann depends on HAS_IOMEM 2441b18fd20SEzequiel Garcia depends on ARM 245050dd322SJoachim Eastwood select CLKSRC_MMIO 246bb0eb050SDaniel Lezcano select TIMER_OF 247ddcf48c7SDaniel Lezcano help 248ddcf48c7SDaniel Lezcano Support for the LPC32XX clocksource. 249050dd322SJoachim Eastwood 25084583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 251dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 2522f8a26c1SArnd Bergmann depends on HAS_IOMEM 253bb0eb050SDaniel Lezcano select TIMER_OF 254dfdb1652SDaniel Lezcano help 255dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 25684583983SEzequiel Garcia 257fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 258fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 259dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 260bb0eb050SDaniel Lezcano select TIMER_OF if OF 261fe851f56SFelipe Balbi help 262fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 263fe851f56SFelipe Balbi available on many OMAP-like platforms. 264fe851f56SFelipe Balbi 265a5322457SNoam Camusconfig CLKSRC_NPS 266a5322457SNoam Camus bool "NPS400 clocksource driver" if COMPILE_TEST 267a5322457SNoam Camus depends on !PHYS_ADDR_T_64BIT 268a5322457SNoam Camus select CLKSRC_MMIO 269bb0eb050SDaniel Lezcano select TIMER_OF if OF 270a5322457SNoam Camus help 271a5322457SNoam Camus NPS400 clocksource support. 272a5322457SNoam Camus Got 64 bit counter with update rate up to 1000MHz. 273a5322457SNoam Camus This counter is accessed via couple of 32 bit memory mapped registers. 274a5322457SNoam Camus 275e37e4593SMaxime Coquelinconfig CLKSRC_STM32 2761cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 2771cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 278e37e4593SMaxime Coquelin select CLKSRC_MMIO 279d04af490SBenjamin Gaignard select TIMER_OF 280e37e4593SMaxime Coquelin 2810302637fSVladimir Murzinconfig CLKSRC_MPS2 2820302637fSVladimir Murzin bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 2830302637fSVladimir Murzin depends on GENERIC_SCHED_CLOCK 2840302637fSVladimir Murzin select CLKSRC_MMIO 285bb0eb050SDaniel Lezcano select TIMER_OF 2860302637fSVladimir Murzin 287c4c9a040SVineet Guptaconfig ARC_TIMERS 288c4c9a040SVineet Gupta bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 289bf287607SAlexey Brodkin depends on GENERIC_SCHED_CLOCK 290bb0eb050SDaniel Lezcano select TIMER_OF 291c4c9a040SVineet Gupta help 292c4c9a040SVineet Gupta These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 293c4c9a040SVineet Gupta (ARC700 as well as ARC HS38). 294c4c9a040SVineet Gupta TIMER0 serves as clockevent while TIMER1 provides clocksource 295c4c9a040SVineet Gupta 296c4c9a040SVineet Guptaconfig ARC_TIMERS_64BIT 297c4c9a040SVineet Gupta bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 298c4c9a040SVineet Gupta depends on ARC_TIMERS 299bb0eb050SDaniel Lezcano select TIMER_OF 300c4c9a040SVineet Gupta help 301c4c9a040SVineet Gupta This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP) 302c4c9a040SVineet Gupta RTC is implemented inside the core, while GFRC sits outside the core in 303c4c9a040SVineet Gupta ARConnect IP block. Driver automatically picks one of them for clocksource 304c4c9a040SVineet Gupta as appropriate. 305c4c9a040SVineet Gupta 3068a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 3078a4da6e3SMark Rutland bool 308bb0eb050SDaniel Lezcano select TIMER_OF if OF 309fa1bffabSDaniel Lezcano select TIMER_ACPI if ACPI 310a2c5d4edSJames Hogan 311037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 31246fd5c6bSWill Deacon bool "Enable ARM architected timer event stream generation by default" 313037f6377SWill Deacon default y if ARM_ARCH_TIMER 31477f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 315037f6377SWill Deacon help 31646fd5c6bSWill Deacon This option enables support by default for event stream generation 31746fd5c6bSWill Deacon based on the ARM architected timer. It is used for waking up CPUs 31846fd5c6bSWill Deacon executing the wfe instruction at a frequency represented as a 31946fd5c6bSWill Deacon power-of-2 divisor of the clock rate. The behaviour can also be 32046fd5c6bSWill Deacon overridden on the command line using the 32146fd5c6bSWill Deacon clocksource.arm_arch_timer.evtstream parameter. 322037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 323037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 324037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 325037f6377SWill Deacon event is not generated. 326037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 327037f6377SWill Deacon hardware anomalies of missing events. 328037f6377SWill Deacon 32916d10ef2SDing Tianhongconfig ARM_ARCH_TIMER_OOL_WORKAROUND 33016d10ef2SDing Tianhong bool 33116d10ef2SDing Tianhong 332f6dc1576SScott Woodconfig FSL_ERRATUM_A008585 333f6dc1576SScott Wood bool "Workaround for Freescale/NXP Erratum A-008585" 334f6dc1576SScott Wood default y 335f6dc1576SScott Wood depends on ARM_ARCH_TIMER && ARM64 33616d10ef2SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 337f6dc1576SScott Wood help 338f6dc1576SScott Wood This option enables a workaround for Freescale/NXP Erratum 339f6dc1576SScott Wood A-008585 ("ARM generic timer may contain an erroneous 340f6dc1576SScott Wood value"). The workaround will only be active if the 341f6dc1576SScott Wood fsl,erratum-a008585 property is found in the timer node. 342f6dc1576SScott Wood 343bb42ca47SDing Tianhongconfig HISILICON_ERRATUM_161010101 344bb42ca47SDing Tianhong bool "Workaround for Hisilicon Erratum 161010101" 345bb42ca47SDing Tianhong default y 346bb42ca47SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 347bb42ca47SDing Tianhong depends on ARM_ARCH_TIMER && ARM64 348bb42ca47SDing Tianhong help 349bb42ca47SDing Tianhong This option enables a workaround for Hisilicon Erratum 350bb42ca47SDing Tianhong 161010101. The workaround will be active if the hisilicon,erratum-161010101 351bb42ca47SDing Tianhong property is found in the timer node. 352bb42ca47SDing Tianhong 353fa8d815fSMarc Zyngierconfig ARM64_ERRATUM_858921 354fa8d815fSMarc Zyngier bool "Workaround for Cortex-A73 erratum 858921" 355fa8d815fSMarc Zyngier default y 356fa8d815fSMarc Zyngier select ARM_ARCH_TIMER_OOL_WORKAROUND 357fa8d815fSMarc Zyngier depends on ARM_ARCH_TIMER && ARM64 358fa8d815fSMarc Zyngier help 359fa8d815fSMarc Zyngier This option enables a workaround applicable to Cortex-A73 360fa8d815fSMarc Zyngier (all versions), whose counter may return incorrect values. 361fa8d815fSMarc Zyngier The workaround will be dynamically enabled when an affected 362fa8d815fSMarc Zyngier core is detected. 363fa8d815fSMarc Zyngier 364c950ca8cSSamuel Hollandconfig SUN50I_ERRATUM_UNKNOWN1 365c950ca8cSSamuel Holland bool "Workaround for Allwinner A64 erratum UNKNOWN1" 366c950ca8cSSamuel Holland default y 367c950ca8cSSamuel Holland depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI 368c950ca8cSSamuel Holland select ARM_ARCH_TIMER_OOL_WORKAROUND 369c950ca8cSSamuel Holland help 370c950ca8cSSamuel Holland This option enables a workaround for instability in the timer on 371c950ca8cSSamuel Holland the Allwinner A64 SoC. The workaround will only be active if the 372c950ca8cSSamuel Holland allwinner,erratum-unknown1 property is found in the timer node. 373c950ca8cSSamuel Holland 374c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 37567a87a43SDaniel Lezcano bool "Support for the ARM global timer" if COMPILE_TEST 376bb0eb050SDaniel Lezcano select TIMER_OF if OF 37767a87a43SDaniel Lezcano depends on ARM 378c1b40e44SStuart Menefy help 379c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 380c1b40e44SStuart Menefy 3810b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 382dfc82faaSDavid Abdurachmanov bool "Support for Dual Timer SP804 module" if COMPILE_TEST 383002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 3840b7402dcSSudeep Holla select CLKSRC_MMIO 385bb0eb050SDaniel Lezcano select TIMER_OF if OF 3860b7402dcSSudeep Holla 387c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 388c1b40e44SStuart Menefy bool 389c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 390c1b40e44SStuart Menefy default y 391c1b40e44SStuart Menefy help 392c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 393c1b40e44SStuart Menefy 3944958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 395e2146d86SDaniel Lezcano bool "Support for the ARMv7M system time" if COMPILE_TEST 396bb0eb050SDaniel Lezcano select TIMER_OF if OF 3974958ebb3SMaxime Coquelin select CLKSRC_MMIO 3984958ebb3SMaxime Coquelin help 3994958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 4004958ebb3SMaxime Coquelin 401b052ff30SMaxime Ripardconfig ATMEL_PIT 402*2f982703SAlexandre Belloni bool "Atmel PIT support" if COMPILE_TEST 403*2f982703SAlexandre Belloni depends on HAS_IOMEM 404bb0eb050SDaniel Lezcano select TIMER_OF if OF 405*2f982703SAlexandre Belloni help 406*2f982703SAlexandre Belloni Support for the Periodic Interval Timer found on Atmel SoCs. 407b052ff30SMaxime Ripard 408b53cdd03SAlexandre Belloniconfig ATMEL_ST 409b988d3f0SDaniel Lezcano bool "Atmel ST timer support" if COMPILE_TEST 410bd2746f0SMasahiro Yamada depends on HAS_IOMEM 411bb0eb050SDaniel Lezcano select TIMER_OF 4127ab7ef74SAlexandre Belloni select MFD_SYSCON 413b988d3f0SDaniel Lezcano help 414b988d3f0SDaniel Lezcano Support for the Atmel ST timer. 415b53cdd03SAlexandre Belloni 4166275f494SAlexandre Belloniconfig ATMEL_TCB_CLKSRC 4176275f494SAlexandre Belloni bool "Atmel TC Block timer driver" if COMPILE_TEST 4186275f494SAlexandre Belloni depends on HAS_IOMEM 4196275f494SAlexandre Belloni select TIMER_OF if OF 4206275f494SAlexandre Belloni help 4216275f494SAlexandre Belloni Support for Timer Counter Blocks on Atmel SoCs. 4226275f494SAlexandre Belloni 4236938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 42439366ef4SDaniel Lezcano bool "Exynos multi core timer driver" if COMPILE_TEST 425f1a4c1f3SChanwoo Choi depends on ARM || ARM64 4266938d75aSThomas Abraham help 4276938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 428241a9871SArnd Bergmann 429f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 430de37b0b5SAlexandre Belloni bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 431d7023e62SRichard Weinberger depends on HAS_IOMEM 432f1189989STomasz Figa help 433f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 434f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 435f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 436f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 437c1967249SJingchang Lu 4382529c3a3SXiubo Liconfig FSL_FTM_TIMER 439ef49336bSDaniel Lezcano bool "Freescale FlexTimer Module driver" if COMPILE_TEST 440d7023e62SRichard Weinberger depends on HAS_IOMEM 44103724ac3SDaniel Lezcano select CLKSRC_MMIO 4422529c3a3SXiubo Li help 4432529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 4442529c3a3SXiubo Li 445c1967249SJingchang Luconfig VF_PIT_TIMER 446c1967249SJingchang Lu bool 4472be6d9bfSArnd Bergmann select CLKSRC_MMIO 448c1967249SJingchang Lu help 449c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 450fd3f1270SMagnus Damm 45189355274SNeil Armstrongconfig OXNAS_RPS_TIMER 45289355274SNeil Armstrong bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 453bb0eb050SDaniel Lezcano select TIMER_OF 45489355274SNeil Armstrong select CLKSRC_MMIO 45589355274SNeil Armstrong help 45689355274SNeil Armstrong This enables support for the Oxford Semiconductor OXNAS RPS timers. 45789355274SNeil Armstrong 458fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 459fd3f1270SMagnus Damm bool 460fd3f1270SMagnus Damm 461ecb3530dSMatthias Bruggerconfig MTK_TIMER 462fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 4632f8a26c1SArnd Bergmann depends on HAS_IOMEM 464bb0eb050SDaniel Lezcano select TIMER_OF 465ecb3530dSMatthias Brugger select CLKSRC_MMIO 466fbca9eabSDaniel Lezcano help 467fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 468ecb3530dSMatthias Brugger 469067bc914SBaolin Wangconfig SPRD_TIMER 4708a1ece26SChunyan Zhang bool "Spreadtrum timer driver" if EXPERT 471067bc914SBaolin Wang depends on HAS_IOMEM 4728a1ece26SChunyan Zhang depends on (ARCH_SPRD || COMPILE_TEST) 4738a1ece26SChunyan Zhang default ARCH_SPRD 474067bc914SBaolin Wang select TIMER_OF 475067bc914SBaolin Wang help 476067bc914SBaolin Wang Enables support for the Spreadtrum timer driver. 477067bc914SBaolin Wang 478fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 479fd3f1270SMagnus Damm bool 480fd3f1270SMagnus Damm 481fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 482fd3f1270SMagnus Damm bool 483fd3f1270SMagnus Damm 484fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 485fd3f1270SMagnus Damm bool 486fd3f1270SMagnus Damm 4879995f4f1SRich Felkerconfig CLKSRC_JCORE_PIT 4889995f4f1SRich Felker bool "J-Core PIT timer driver" if COMPILE_TEST 4899995f4f1SRich Felker depends on OF 4909995f4f1SRich Felker depends on HAS_IOMEM 4919995f4f1SRich Felker select CLKSRC_MMIO 4929995f4f1SRich Felker help 4939995f4f1SRich Felker This enables build of clocksource and clockevent driver for 4949995f4f1SRich Felker the integrated PIT in the J-Core synthesizable, open source SoC. 4959995f4f1SRich Felker 496fd3f1270SMagnus Dammconfig SH_TIMER_CMT 497fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 49811bc26feSRichard Weinberger depends on HAS_IOMEM 499fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 500fd3f1270SMagnus Damm help 501fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 502fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 503fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 504fd3f1270SMagnus Damm 505fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 506fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 50711bc26feSRichard Weinberger depends on HAS_IOMEM 508fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 509fd3f1270SMagnus Damm help 510fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 5117e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 512fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 513fd3f1270SMagnus Damm 514fb6002a8SChris Brandtconfig RENESAS_OSTM 515fb6002a8SChris Brandt bool "Renesas OSTM timer driver" if COMPILE_TEST 516fb6002a8SChris Brandt select CLKSRC_MMIO 517fb6002a8SChris Brandt help 518fb6002a8SChris Brandt Enables the support for the Renesas OSTM. 519fb6002a8SChris Brandt 520fd3f1270SMagnus Dammconfig SH_TIMER_TMU 521fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 52211bc26feSRichard Weinberger depends on HAS_IOMEM 523fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 524fd3f1270SMagnus Damm help 525fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 526fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 527fd3f1270SMagnus Damm SoCs from Renesas. 528fd3f1270SMagnus Damm 529fd3f1270SMagnus Dammconfig EM_TIMER_STI 530fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 5312f8a26c1SArnd Bergmann depends on HAS_IOMEM 532fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 533fd3f1270SMagnus Damm help 534fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 535fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 536fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 537dfc25e45SLinus Torvalds 5383f8e8ceeSKumar Galaconfig CLKSRC_QCOM 5393dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 5403dc0e9f6SDaniel Lezcano depends on ARM 541bb0eb050SDaniel Lezcano select TIMER_OF 5423dc0e9f6SDaniel Lezcano help 5433dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 5443dc0e9f6SDaniel Lezcano Qualcomm SoCs. 545220e2a8dSPawel Moll 546220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 5475cc87a4dSDaniel Lezcano bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 5485cc87a4dSDaniel Lezcano depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 549bb0eb050SDaniel Lezcano select TIMER_OF 550220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 551220e2a8dSPawel Moll help 552220e2a8dSPawel Moll This option enables clock source based on free running 553220e2a8dSPawel Moll counter available in the "System Registers" block of 554220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 555220e2a8dSPawel Moll platforms. 55658394271SJean Delvare 557fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 558fa5635a2SAndrew Bresticker bool 559fa5635a2SAndrew Bresticker depends on MIPS_GIC 560bb0eb050SDaniel Lezcano select TIMER_OF 561fa5635a2SAndrew Bresticker 562ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 5635a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 5645a7351f0SDaniel Lezcano depends on ARM 565bb0eb050SDaniel Lezcano select TIMER_OF 5660881841fSDaniel Lezcano select CLKSRC_MMIO 5675a7351f0SDaniel Lezcano help 5685a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 569ccd63ce4SMarc Gonzalez 570e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 5715ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 572d7023e62SRichard Weinberger depends on HAS_IOMEM 5735ae996cbSDaniel Lezcano select CLKSRC_MMIO 574e074ff86SDmitry Eremin-Solenikov help 575e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 576e074ff86SDmitry Eremin-Solenikov platforms. 577618b902dSYoshinori Sato 57897a23bebSDaniel Lezcanoconfig H8300_TMR8 57946e7c3c6SDaniel Lezcano bool "Clockevent timer for the H8300 platform" if COMPILE_TEST 5802f8a26c1SArnd Bergmann depends on HAS_IOMEM 58146e7c3c6SDaniel Lezcano help 58246e7c3c6SDaniel Lezcano This enables the 8 bits timer for the H8300 platform. 58397a23bebSDaniel Lezcano 584618b902dSYoshinori Satoconfig H8300_TMR16 58546e7c3c6SDaniel Lezcano bool "Clockevent timer for the H83069 platform" if COMPILE_TEST 5862f8a26c1SArnd Bergmann depends on HAS_IOMEM 58746e7c3c6SDaniel Lezcano help 58846e7c3c6SDaniel Lezcano This enables the 16 bits timer for the H8300 platform with the 58946e7c3c6SDaniel Lezcano H83069 cpu. 590618b902dSYoshinori Sato 591618b902dSYoshinori Satoconfig H8300_TPU 59246e7c3c6SDaniel Lezcano bool "Clocksource for the H8300 platform" if COMPILE_TEST 5932f8a26c1SArnd Bergmann depends on HAS_IOMEM 59446e7c3c6SDaniel Lezcano help 59546e7c3c6SDaniel Lezcano This enables the clocksource for the H8300 platform with the 59646e7c3c6SDaniel Lezcano H8S2678 cpu. 597618b902dSYoshinori Sato 598bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 599bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 600df181e38SAnson Huang depends on (ARM || ARM64) && CLKDEV_LOOKUP 601bea5af41SShawn Guo select CLKSRC_MMIO 602bea5af41SShawn Guo 603059ab7b8SDong Aishengconfig CLKSRC_IMX_TPM 604059ab7b8SDong Aisheng bool "Clocksource using i.MX TPM" if COMPILE_TEST 6052f8a26c1SArnd Bergmann depends on ARM && CLKDEV_LOOKUP 606059ab7b8SDong Aisheng select CLKSRC_MMIO 607059ab7b8SDong Aisheng help 608059ab7b8SDong Aisheng Enable this option to use IMX Timer/PWM Module (TPM) timer as 609059ab7b8SDong Aisheng clocksource. 610059ab7b8SDong Aisheng 61170bef01cSLee Jonesconfig CLKSRC_ST_LPC 612baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 613bb0eb050SDaniel Lezcano select TIMER_OF if OF 614863ee050SRichard Weinberger depends on HAS_IOMEM 6152be6d9bfSArnd Bergmann select CLKSRC_MMIO 61670bef01cSLee Jones help 61770bef01cSLee Jones Enable this option to use the Low Power controller timer 61870bef01cSLee Jones as clocksource. 61970bef01cSLee Jones 62035dbb74aSRick Chenconfig ATCPIT100_TIMER 62135dbb74aSRick Chen bool "ATCPIT100 timer driver" 62235dbb74aSRick Chen depends on NDS32 || COMPILE_TEST 62335dbb74aSRick Chen depends on HAS_IOMEM 62435dbb74aSRick Chen select TIMER_OF 62535dbb74aSRick Chen default NDS32 62635dbb74aSRick Chen help 62735dbb74aSRick Chen This option enables support for the Andestech ATCPIT100 timers. 62835dbb74aSRick Chen 62962b01943SPalmer Dabbeltconfig RISCV_TIMER 63062b01943SPalmer Dabbelt bool "Timer for the RISC-V platform" 63192e0d143SAnup Patel depends on GENERIC_SCHED_CLOCK && RISCV 63262b01943SPalmer Dabbelt default y 63362b01943SPalmer Dabbelt select TIMER_PROBE 63462b01943SPalmer Dabbelt select TIMER_OF 63562b01943SPalmer Dabbelt help 63662b01943SPalmer Dabbelt This enables the per-hart timer built into all RISC-V systems, which 63762b01943SPalmer Dabbelt is accessed via both the SBI and the rdcycle instruction. This is 63862b01943SPalmer Dabbelt required for all RISC-V systems. 63962b01943SPalmer Dabbelt 640a7ad38b0SGuo Renconfig CSKY_MP_TIMER 641a7ad38b0SGuo Ren bool "SMP Timer for the C-SKY platform" if COMPILE_TEST 642a7ad38b0SGuo Ren depends on CSKY 643a7ad38b0SGuo Ren select TIMER_OF 644a7ad38b0SGuo Ren help 645a7ad38b0SGuo Ren Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP 646a7ad38b0SGuo Ren system. 647a7ad38b0SGuo Ren csky,mptimer is not only used in SMP system, it also could be used 648a7ad38b0SGuo Ren single core system. It's not a mmio reg and it use mtcr/mfcr instruction. 649a7ad38b0SGuo Ren 65033745c3cSGuo Renconfig GX6605S_TIMER 65133745c3cSGuo Ren bool "Gx6605s SOC system timer driver" if COMPILE_TEST 65233745c3cSGuo Ren depends on CSKY 65333745c3cSGuo Ren select CLKSRC_MMIO 65433745c3cSGuo Ren select TIMER_OF 65533745c3cSGuo Ren help 65633745c3cSGuo Ren This option enables support for gx6605s SOC's timer. 65733745c3cSGuo Ren 658b58f28f3SSugaya Taichiconfig MILBEAUT_TIMER 659b58f28f3SSugaya Taichi bool "Milbeaut timer driver" if COMPILE_TEST 660b58f28f3SSugaya Taichi depends on OF 661b58f28f3SSugaya Taichi depends on ARM 662b58f28f3SSugaya Taichi select TIMER_OF 663b58f28f3SSugaya Taichi select CLKSRC_MMIO 664b58f28f3SSugaya Taichi help 665b58f28f3SSugaya Taichi Enables the support for Milbeaut timer driver. 666b58f28f3SSugaya Taichi 66758394271SJean Delvareendmenu 668