1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 258394271SJean Delvaremenu "Clock Source drivers" 32f8a26c1SArnd Bergmann depends on GENERIC_CLOCKEVENTS 458394271SJean Delvare 5bb0eb050SDaniel Lezcanoconfig TIMER_OF 6ae278a93SStephen Warren bool 7bb0eb050SDaniel Lezcano select TIMER_PROBE 8aad83b15SMarc Zyngier 9fa1bffabSDaniel Lezcanoconfig TIMER_ACPI 10aad83b15SMarc Zyngier bool 11bb0eb050SDaniel Lezcano select TIMER_PROBE 12aad83b15SMarc Zyngier 13bb0eb050SDaniel Lezcanoconfig TIMER_PROBE 14aad83b15SMarc Zyngier bool 15ae278a93SStephen Warren 1689c0b8e2SRussell Kingconfig CLKSRC_I8253 1789c0b8e2SRussell King bool 18442c8176SRussell King 19e6220bdcSThomas Gleixnerconfig CLKEVT_I8253 20e6220bdcSThomas Gleixner bool 21e6220bdcSThomas Gleixner 2215f304b6SRalf Baechleconfig I8253_LOCK 2315f304b6SRalf Baechle bool 2415f304b6SRalf Baechle 25af04aa85SKeerthyconfig OMAP_DM_TIMER 26af04aa85SKeerthy bool 27eda9a4f7SKees Cook select TIMER_OF 28af04aa85SKeerthy 2915f304b6SRalf Baechleconfig CLKBLD_I8253 30e6220bdcSThomas Gleixner def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 3115f304b6SRalf Baechle 32442c8176SRussell Kingconfig CLKSRC_MMIO 33442c8176SRussell King bool 3406c3df49SJamie Iles 352ea879a7SDaniel Lezcanoconfig BCM2835_TIMER 362ea879a7SDaniel Lezcano bool "BCM2835 timer driver" if COMPILE_TEST 372ea879a7SDaniel Lezcano select CLKSRC_MMIO 382ea879a7SDaniel Lezcano help 392ea879a7SDaniel Lezcano Enables the support for the BCM2835 timer driver. 402ea879a7SDaniel Lezcano 411cad71e3SDaniel Lezcanoconfig BCM_KONA_TIMER 421cad71e3SDaniel Lezcano bool "BCM mobile timer driver" if COMPILE_TEST 431cad71e3SDaniel Lezcano select CLKSRC_MMIO 441cad71e3SDaniel Lezcano help 451cad71e3SDaniel Lezcano Enables the support for the BCM Kona mobile timer driver. 461cad71e3SDaniel Lezcano 47721154f9SBartosz Golaszewskiconfig DAVINCI_TIMER 48721154f9SBartosz Golaszewski bool "Texas Instruments DaVinci timer driver" if COMPILE_TEST 49721154f9SBartosz Golaszewski help 50721154f9SBartosz Golaszewski Enables the support for the TI DaVinci timer driver. 51721154f9SBartosz Golaszewski 529b8bb773SBaruch Siachconfig DIGICOLOR_TIMER 53e6c1db13SDaniel Lezcano bool "Digicolor timer driver" if COMPILE_TEST 542be6d9bfSArnd Bergmann select CLKSRC_MMIO 55d7023e62SRichard Weinberger depends on HAS_IOMEM 56e6c1db13SDaniel Lezcano help 57e6c1db13SDaniel Lezcano Enables the support for the digicolor timer driver. 589b8bb773SBaruch Siach 5906c3df49SJamie Ilesconfig DW_APB_TIMER 605b097f6bSDaniel Lezcano bool "DW APB timer driver" if COMPILE_TEST 615b097f6bSDaniel Lezcano help 625b097f6bSDaniel Lezcano Enables the support for the dw_apb timer. 63489bcceaSMattias Wallin 64cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 65cfda5901SDinh Nguyen bool 661b4eca0fSHeiko Stuebner select DW_APB_TIMER 67bb0eb050SDaniel Lezcano select TIMER_OF 68cfda5901SDinh Nguyen 69f5bf0ee4SLinus Walleijconfig FTTMR010_TIMER 70f5bf0ee4SLinus Walleij bool "Faraday Technology timer driver" if COMPILE_TEST 714750535bSLinus Walleij depends on HAS_IOMEM 724750535bSLinus Walleij select CLKSRC_MMIO 73bb0eb050SDaniel Lezcano select TIMER_OF 744750535bSLinus Walleij select MFD_SYSCON 754750535bSLinus Walleij help 76f5bf0ee4SLinus Walleij Enables support for the Faraday Technology timer block 77f5bf0ee4SLinus Walleij FTTMR010. 784750535bSLinus Walleij 7913e0b405SLinus Walleijconfig IXP4XX_TIMER 8013e0b405SLinus Walleij bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST 8113e0b405SLinus Walleij depends on HAS_IOMEM 8213e0b405SLinus Walleij select CLKSRC_MMIO 8341929c9fSLinus Walleij select TIMER_OF 8413e0b405SLinus Walleij help 8513e0b405SLinus Walleij Enables support for the Intel XScale IXP4xx SoC timer. 8613e0b405SLinus Walleij 87468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 8840ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 8940ada2aaSDaniel Lezcano depends on ARM || ARM64 90bb0eb050SDaniel Lezcano select TIMER_OF 915e0a39d0SAlexander Kochetkov select CLKSRC_MMIO 9240ada2aaSDaniel Lezcano help 9306293463SRandy Dunlap Enables the support for the Rockchip timer driver. 94468b8c4cSDaniel Lezcano 956fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 969519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 979519e80cSDaniel Lezcano depends on ARM 98bb0eb050SDaniel Lezcano select TIMER_OF 992be6d9bfSArnd Bergmann select CLKSRC_MMIO 1009519e80cSDaniel Lezcano help 1019519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 1026fe9cbd1SGregory CLEMENT 103e4a6b378SCarlo Caioneconfig MESON6_TIMER 1040b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 1057b6b0a45SBeniamino Galvani select CLKSRC_MMIO 1060b7a7bb7SDaniel Lezcano help 1070b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 108e4a6b378SCarlo Caione 1090c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 110c9165549SDaniel Lezcano bool "Orion timer driver" if COMPILE_TEST 111c9165549SDaniel Lezcano depends on ARM 112bb0eb050SDaniel Lezcano select TIMER_OF 1130c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 114c9165549SDaniel Lezcano help 115c9165549SDaniel Lezcano Enables the support for the Orion timer driver 1160c1dcfd5SSebastian Hesselbarth 1174be78a86SAndreas Färberconfig OWL_TIMER 1184be78a86SAndreas Färber bool "Owl timer driver" if COMPILE_TEST 1194be78a86SAndreas Färber select CLKSRC_MMIO 1204be78a86SAndreas Färber help 1214be78a86SAndreas Färber Enables the support for the Actions Semi Owl timer driver. 1224be78a86SAndreas Färber 1237f83a132SManivannan Sadhasivamconfig RDA_TIMER 1247f83a132SManivannan Sadhasivam bool "RDA timer driver" if COMPILE_TEST 1257f83a132SManivannan Sadhasivam select CLKSRC_MMIO 1267f83a132SManivannan Sadhasivam select TIMER_OF 1277f83a132SManivannan Sadhasivam help 1287f83a132SManivannan Sadhasivam Enables the support for the RDA Micro timer driver. 1297f83a132SManivannan Sadhasivam 130119fd635SMaxime Ripardconfig SUN4I_TIMER 131b4fcd48bSDaniel Lezcano bool "Sun4i timer driver" if COMPILE_TEST 132d7023e62SRichard Weinberger depends on HAS_IOMEM 13371c568c0SMaxime Ripard select CLKSRC_MMIO 134239751edSDaniel Lezcano select TIMER_OF 135b4fcd48bSDaniel Lezcano help 136b4fcd48bSDaniel Lezcano Enables support for the Sun4i timer. 137b2ac5d75SMaxime Ripard 13867905540SMaxime Ripardconfig SUN5I_HSTIMER 139f0c5afb7SDaniel Lezcano bool "Sun5i timer driver" if COMPILE_TEST 14067905540SMaxime Ripard select CLKSRC_MMIO 141f0c5afb7SDaniel Lezcano depends on COMMON_CLK 142f0c5afb7SDaniel Lezcano help 143f0c5afb7SDaniel Lezcano Enables support the Sun5i timer. 14467905540SMaxime Ripard 145910978e7SThierry Redingconfig TEGRA_TIMER 146adce4bc8SDaniel Lezcano bool "Tegra timer driver" if COMPILE_TEST 1472be6d9bfSArnd Bergmann select CLKSRC_MMIO 148b4822dc7SJoseph Lo select TIMER_OF 149acb4bb3fSDmitry Osipenko depends on ARCH_TEGRA || COMPILE_TEST 150adce4bc8SDaniel Lezcano help 151adce4bc8SDaniel Lezcano Enables support for the Tegra driver. 152910978e7SThierry Reding 153*42cee19aSThierry Redingconfig TEGRA186_TIMER 154*42cee19aSThierry Reding tristate "NVIDIA Tegra186 timer driver" 155*42cee19aSThierry Reding depends on ARCH_TEGRA || COMPILE_TEST 156*42cee19aSThierry Reding depends on WATCHDOG && WATCHDOG_CORE 157*42cee19aSThierry Reding help 158*42cee19aSThierry Reding Enables support for the timers and watchdogs found on NVIDIA 159*42cee19aSThierry Reding Tegra186 and later SoCs. 160*42cee19aSThierry Reding 161ff7ec345STony Priskconfig VT8500_TIMER 162b4bdf7efSDaniel Lezcano bool "VT8500 timer driver" if COMPILE_TEST 163d7023e62SRichard Weinberger depends on HAS_IOMEM 164b4bdf7efSDaniel Lezcano help 165b4bdf7efSDaniel Lezcano Enables support for the VT8500 driver. 166ff7ec345STony Prisk 1671c00289eSTomer Maimonconfig NPCM7XX_TIMER 1681c00289eSTomer Maimon bool "NPCM7xx timer driver" if COMPILE_TEST 1691c00289eSTomer Maimon depends on HAS_IOMEM 17099834eeaSArnd Bergmann select TIMER_OF 1711c00289eSTomer Maimon select CLKSRC_MMIO 1721c00289eSTomer Maimon help 1731c00289eSTomer Maimon Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 17406293463SRandy Dunlap where TIMER0 serves as clockevent and TIMER1 serves as clocksource. 1751c00289eSTomer Maimon 1764f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 17757f49318SDaniel Lezcano bool "Cadence TTC timer driver" if COMPILE_TEST 17857f49318SDaniel Lezcano depends on COMMON_CLK 17957f49318SDaniel Lezcano help 18006293463SRandy Dunlap Enables support for the Cadence TTC driver. 1814f0f234fSMichal Simek 182a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 183b9755841SDaniel Lezcano bool "ASM9260 timer driver" if COMPILE_TEST 184a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 185bb0eb050SDaniel Lezcano select TIMER_OF 186b9755841SDaniel Lezcano help 187b9755841SDaniel Lezcano Enables support for the ASM9260 timer. 188a8b1b9fcSDaniel Lezcano 189694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 19070329653SDaniel Lezcano bool "Nomakdik clocksource driver" if COMPILE_TEST 19170329653SDaniel Lezcano depends on ARM 192694e33a7SLinus Walleij select CLKSRC_MMIO 193694e33a7SLinus Walleij help 194694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 195694e33a7SLinus Walleij to multiple interrupt generating programmable 196694e33a7SLinus Walleij 32-bit free running decrementing counters. 197694e33a7SLinus Walleij 198489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 1991becd6edSDaniel Lezcano bool "Clocksource PRCMU Timer" if COMPILE_TEST 200d7023e62SRichard Weinberger depends on HAS_IOMEM 201489bcceaSMattias Wallin help 20206293463SRandy Dunlap Use the always on PRCMU Timer as clocksource. 203489bcceaSMattias Wallin 204ecf0efdcSDaniel Lezcanoconfig CLPS711X_TIMER 20506293463SRandy Dunlap bool "Cirrus Logic timer driver" if COMPILE_TEST 206ecf0efdcSDaniel Lezcano select CLKSRC_MMIO 207ecf0efdcSDaniel Lezcano help 208ecf0efdcSDaniel Lezcano Enables support for the Cirrus Logic PS711 timer. 209ecf0efdcSDaniel Lezcano 210d81c50a0SDaniel Lezcanoconfig MXS_TIMER 21106293463SRandy Dunlap bool "MXS timer driver" if COMPILE_TEST 212d81c50a0SDaniel Lezcano select CLKSRC_MMIO 213d81c50a0SDaniel Lezcano select STMP_DEVICE 214d81c50a0SDaniel Lezcano help 21506293463SRandy Dunlap Enables support for the MXS timer. 216d81c50a0SDaniel Lezcano 217d683b9dcSDaniel Lezcanoconfig NSPIRE_TIMER 218d683b9dcSDaniel Lezcano bool "NSpire timer driver" if COMPILE_TEST 219d683b9dcSDaniel Lezcano select CLKSRC_MMIO 220d683b9dcSDaniel Lezcano help 221d683b9dcSDaniel Lezcano Enables support for the Nspire timer. 222d683b9dcSDaniel Lezcano 223c12547a0SDaniel Lezcanoconfig KEYSTONE_TIMER 224c12547a0SDaniel Lezcano bool "Keystone timer driver" if COMPILE_TEST 225c12547a0SDaniel Lezcano depends on ARM || ARM64 226c12547a0SDaniel Lezcano select CLKSRC_MMIO 227c12547a0SDaniel Lezcano help 228c12547a0SDaniel Lezcano Enables support for the Keystone timer. 229c12547a0SDaniel Lezcano 230568c0342SDaniel Lezcanoconfig INTEGRATOR_AP_TIMER 23106293463SRandy Dunlap bool "Integrator-AP timer driver" if COMPILE_TEST 232568c0342SDaniel Lezcano select CLKSRC_MMIO 233568c0342SDaniel Lezcano help 23406293463SRandy Dunlap Enables support for the Integrator-AP timer. 235568c0342SDaniel Lezcano 236050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 237ddcf48c7SDaniel Lezcano bool "Clocksource for LPC32XX" if COMPILE_TEST 2382f8a26c1SArnd Bergmann depends on HAS_IOMEM 2391b18fd20SEzequiel Garcia depends on ARM 240050dd322SJoachim Eastwood select CLKSRC_MMIO 241bb0eb050SDaniel Lezcano select TIMER_OF 242ddcf48c7SDaniel Lezcano help 243ddcf48c7SDaniel Lezcano Support for the LPC32XX clocksource. 244050dd322SJoachim Eastwood 24584583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 2461e4fd60bSJiaxun Yang bool "Clocksource for Pistachio SoC" 2472f8a26c1SArnd Bergmann depends on HAS_IOMEM 2481e4fd60bSJiaxun Yang depends on MIPS || COMPILE_TEST 249bb0eb050SDaniel Lezcano select TIMER_OF 250dfdb1652SDaniel Lezcano help 251dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 25284583983SEzequiel Garcia 253fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 254fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 255dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 256bb0eb050SDaniel Lezcano select TIMER_OF if OF 257fe851f56SFelipe Balbi help 258fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 259fe851f56SFelipe Balbi available on many OMAP-like platforms. 260fe851f56SFelipe Balbi 261e37e4593SMaxime Coquelinconfig CLKSRC_STM32 2621cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 2631cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 264e37e4593SMaxime Coquelin select CLKSRC_MMIO 265d04af490SBenjamin Gaignard select TIMER_OF 266e37e4593SMaxime Coquelin 26748b41c5eSBenjamin Gaignardconfig CLKSRC_STM32_LP 26848b41c5eSBenjamin Gaignard bool "Low power clocksource for STM32 SoCs" 26948b41c5eSBenjamin Gaignard depends on MFD_STM32_LPTIMER || COMPILE_TEST 27048b41c5eSBenjamin Gaignard 2710302637fSVladimir Murzinconfig CLKSRC_MPS2 2720302637fSVladimir Murzin bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 2730302637fSVladimir Murzin depends on GENERIC_SCHED_CLOCK 2740302637fSVladimir Murzin select CLKSRC_MMIO 275bb0eb050SDaniel Lezcano select TIMER_OF 2760302637fSVladimir Murzin 277c4c9a040SVineet Guptaconfig ARC_TIMERS 278c4c9a040SVineet Gupta bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 279bf287607SAlexey Brodkin depends on GENERIC_SCHED_CLOCK 280bb0eb050SDaniel Lezcano select TIMER_OF 281c4c9a040SVineet Gupta help 282c4c9a040SVineet Gupta These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 283c4c9a040SVineet Gupta (ARC700 as well as ARC HS38). 28406293463SRandy Dunlap TIMER0 serves as clockevent while TIMER1 provides clocksource. 285c4c9a040SVineet Gupta 286c4c9a040SVineet Guptaconfig ARC_TIMERS_64BIT 287c4c9a040SVineet Gupta bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 288c4c9a040SVineet Gupta depends on ARC_TIMERS 289bb0eb050SDaniel Lezcano select TIMER_OF 290c4c9a040SVineet Gupta help 29106293463SRandy Dunlap This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP). 292c4c9a040SVineet Gupta RTC is implemented inside the core, while GFRC sits outside the core in 293c4c9a040SVineet Gupta ARConnect IP block. Driver automatically picks one of them for clocksource 294c4c9a040SVineet Gupta as appropriate. 295c4c9a040SVineet Gupta 2968a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 2978a4da6e3SMark Rutland bool 298bb0eb050SDaniel Lezcano select TIMER_OF if OF 299fa1bffabSDaniel Lezcano select TIMER_ACPI if ACPI 300a2c5d4edSJames Hogan 301037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 30246fd5c6bSWill Deacon bool "Enable ARM architected timer event stream generation by default" 303037f6377SWill Deacon default y if ARM_ARCH_TIMER 30477f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 305037f6377SWill Deacon help 30646fd5c6bSWill Deacon This option enables support by default for event stream generation 30746fd5c6bSWill Deacon based on the ARM architected timer. It is used for waking up CPUs 30846fd5c6bSWill Deacon executing the wfe instruction at a frequency represented as a 30946fd5c6bSWill Deacon power-of-2 divisor of the clock rate. The behaviour can also be 31046fd5c6bSWill Deacon overridden on the command line using the 31146fd5c6bSWill Deacon clocksource.arm_arch_timer.evtstream parameter. 312037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 313037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 314037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 315037f6377SWill Deacon event is not generated. 316037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 317037f6377SWill Deacon hardware anomalies of missing events. 318037f6377SWill Deacon 31916d10ef2SDing Tianhongconfig ARM_ARCH_TIMER_OOL_WORKAROUND 32016d10ef2SDing Tianhong bool 32116d10ef2SDing Tianhong 322f6dc1576SScott Woodconfig FSL_ERRATUM_A008585 323f6dc1576SScott Wood bool "Workaround for Freescale/NXP Erratum A-008585" 324f6dc1576SScott Wood default y 325f6dc1576SScott Wood depends on ARM_ARCH_TIMER && ARM64 32616d10ef2SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 327f6dc1576SScott Wood help 328f6dc1576SScott Wood This option enables a workaround for Freescale/NXP Erratum 329f6dc1576SScott Wood A-008585 ("ARM generic timer may contain an erroneous 330f6dc1576SScott Wood value"). The workaround will only be active if the 331f6dc1576SScott Wood fsl,erratum-a008585 property is found in the timer node. 332f6dc1576SScott Wood 333bb42ca47SDing Tianhongconfig HISILICON_ERRATUM_161010101 334bb42ca47SDing Tianhong bool "Workaround for Hisilicon Erratum 161010101" 335bb42ca47SDing Tianhong default y 336bb42ca47SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 337bb42ca47SDing Tianhong depends on ARM_ARCH_TIMER && ARM64 338bb42ca47SDing Tianhong help 339bb42ca47SDing Tianhong This option enables a workaround for Hisilicon Erratum 340bb42ca47SDing Tianhong 161010101. The workaround will be active if the hisilicon,erratum-161010101 341bb42ca47SDing Tianhong property is found in the timer node. 342bb42ca47SDing Tianhong 343fa8d815fSMarc Zyngierconfig ARM64_ERRATUM_858921 344fa8d815fSMarc Zyngier bool "Workaround for Cortex-A73 erratum 858921" 345fa8d815fSMarc Zyngier default y 346fa8d815fSMarc Zyngier select ARM_ARCH_TIMER_OOL_WORKAROUND 347fa8d815fSMarc Zyngier depends on ARM_ARCH_TIMER && ARM64 348fa8d815fSMarc Zyngier help 349fa8d815fSMarc Zyngier This option enables a workaround applicable to Cortex-A73 350fa8d815fSMarc Zyngier (all versions), whose counter may return incorrect values. 351fa8d815fSMarc Zyngier The workaround will be dynamically enabled when an affected 352fa8d815fSMarc Zyngier core is detected. 353fa8d815fSMarc Zyngier 354c950ca8cSSamuel Hollandconfig SUN50I_ERRATUM_UNKNOWN1 355c950ca8cSSamuel Holland bool "Workaround for Allwinner A64 erratum UNKNOWN1" 356c950ca8cSSamuel Holland default y 357c950ca8cSSamuel Holland depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI 358c950ca8cSSamuel Holland select ARM_ARCH_TIMER_OOL_WORKAROUND 359c950ca8cSSamuel Holland help 360c950ca8cSSamuel Holland This option enables a workaround for instability in the timer on 361c950ca8cSSamuel Holland the Allwinner A64 SoC. The workaround will only be active if the 362c950ca8cSSamuel Holland allwinner,erratum-unknown1 property is found in the timer node. 363c950ca8cSSamuel Holland 364c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 36567a87a43SDaniel Lezcano bool "Support for the ARM global timer" if COMPILE_TEST 366bb0eb050SDaniel Lezcano select TIMER_OF if OF 36767a87a43SDaniel Lezcano depends on ARM 368c1b40e44SStuart Menefy help 36906293463SRandy Dunlap This option enables support for the ARM global timer unit. 370c1b40e44SStuart Menefy 371171b45a4SAndrea Merelloconfig ARM_GT_INITIAL_PRESCALER_VAL 372171b45a4SAndrea Merello int "ARM global timer initial prescaler value" 37368e2215eSAndrea Merello default 2 if ARCH_ZYNQ 374171b45a4SAndrea Merello default 1 375171b45a4SAndrea Merello depends on ARM_GLOBAL_TIMER 376171b45a4SAndrea Merello help 377171b45a4SAndrea Merello When the ARM global timer initializes, its current rate is declared 3786f6f3e31SRandy Dunlap to the kernel and maintained forever. Should its parent clock 379171b45a4SAndrea Merello change, the driver tries to fix the timer's internal prescaler. 380171b45a4SAndrea Merello On some machs (i.e. Zynq) the initial prescaler value thus poses 381171b45a4SAndrea Merello bounds about how much the parent clock is allowed to decrease or 382171b45a4SAndrea Merello increase wrt the initial clock value. 383171b45a4SAndrea Merello This affects CPU_FREQ max delta from the initial frequency. 384171b45a4SAndrea Merello 3850b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 386dfc82faaSDavid Abdurachmanov bool "Support for Dual Timer SP804 module" if COMPILE_TEST 3872f4574ddSArnd Bergmann depends on GENERIC_SCHED_CLOCK && HAVE_CLK 3880b7402dcSSudeep Holla select CLKSRC_MMIO 389bb0eb050SDaniel Lezcano select TIMER_OF if OF 3900b7402dcSSudeep Holla 391c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 392c1b40e44SStuart Menefy bool 393c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 394c1b40e44SStuart Menefy default y 395c1b40e44SStuart Menefy help 39606293463SRandy Dunlap Use ARM global timer clock source as sched_clock. 397c1b40e44SStuart Menefy 3984958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 399e2146d86SDaniel Lezcano bool "Support for the ARMv7M system time" if COMPILE_TEST 400bb0eb050SDaniel Lezcano select TIMER_OF if OF 4014958ebb3SMaxime Coquelin select CLKSRC_MMIO 4024958ebb3SMaxime Coquelin help 40306293463SRandy Dunlap This option enables support for the ARMv7M system timer unit. 4044958ebb3SMaxime Coquelin 405b052ff30SMaxime Ripardconfig ATMEL_PIT 4062f982703SAlexandre Belloni bool "Atmel PIT support" if COMPILE_TEST 4072f982703SAlexandre Belloni depends on HAS_IOMEM 408bb0eb050SDaniel Lezcano select TIMER_OF if OF 4092f982703SAlexandre Belloni help 4102f982703SAlexandre Belloni Support for the Periodic Interval Timer found on Atmel SoCs. 411b052ff30SMaxime Ripard 412b53cdd03SAlexandre Belloniconfig ATMEL_ST 413b988d3f0SDaniel Lezcano bool "Atmel ST timer support" if COMPILE_TEST 414bd2746f0SMasahiro Yamada depends on HAS_IOMEM 415bb0eb050SDaniel Lezcano select TIMER_OF 4167ab7ef74SAlexandre Belloni select MFD_SYSCON 417b988d3f0SDaniel Lezcano help 418b988d3f0SDaniel Lezcano Support for the Atmel ST timer. 419b53cdd03SAlexandre Belloni 4206275f494SAlexandre Belloniconfig ATMEL_TCB_CLKSRC 4216275f494SAlexandre Belloni bool "Atmel TC Block timer driver" if COMPILE_TEST 4221ce861ceSAlexandre Belloni depends on ARM && HAS_IOMEM 4236275f494SAlexandre Belloni select TIMER_OF if OF 4246275f494SAlexandre Belloni help 4256275f494SAlexandre Belloni Support for Timer Counter Blocks on Atmel SoCs. 4266275f494SAlexandre Belloni 4276938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 42839366ef4SDaniel Lezcano bool "Exynos multi core timer driver" if COMPILE_TEST 429f1a4c1f3SChanwoo Choi depends on ARM || ARM64 4308602a80bSKrzysztof Kozlowski depends on ARCH_EXYNOS || COMPILE_TEST 4316938d75aSThomas Abraham help 4326938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 433241a9871SArnd Bergmann 434f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 435de37b0b5SAlexandre Belloni bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 436d7023e62SRichard Weinberger depends on HAS_IOMEM 4378602a80bSKrzysztof Kozlowski depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 438f1189989STomasz Figa help 439f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 440f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 441f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 442f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 443c1967249SJingchang Lu 4442529c3a3SXiubo Liconfig FSL_FTM_TIMER 445ef49336bSDaniel Lezcano bool "Freescale FlexTimer Module driver" if COMPILE_TEST 446d7023e62SRichard Weinberger depends on HAS_IOMEM 44703724ac3SDaniel Lezcano select CLKSRC_MMIO 4482529c3a3SXiubo Li help 4492529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 4502529c3a3SXiubo Li 451c1967249SJingchang Luconfig VF_PIT_TIMER 452c1967249SJingchang Lu bool 4532be6d9bfSArnd Bergmann select CLKSRC_MMIO 454c1967249SJingchang Lu help 45506293463SRandy Dunlap Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs. 456fd3f1270SMagnus Damm 45789355274SNeil Armstrongconfig OXNAS_RPS_TIMER 45889355274SNeil Armstrong bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 459bb0eb050SDaniel Lezcano select TIMER_OF 46089355274SNeil Armstrong select CLKSRC_MMIO 46189355274SNeil Armstrong help 46289355274SNeil Armstrong This enables support for the Oxford Semiconductor OXNAS RPS timers. 46389355274SNeil Armstrong 464fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 465fd3f1270SMagnus Damm bool 466fd3f1270SMagnus Damm 467ecb3530dSMatthias Bruggerconfig MTK_TIMER 468fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 4692f8a26c1SArnd Bergmann depends on HAS_IOMEM 470bb0eb050SDaniel Lezcano select TIMER_OF 471ecb3530dSMatthias Brugger select CLKSRC_MMIO 472fbca9eabSDaniel Lezcano help 473fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 474ecb3530dSMatthias Brugger 475067bc914SBaolin Wangconfig SPRD_TIMER 4768a1ece26SChunyan Zhang bool "Spreadtrum timer driver" if EXPERT 477067bc914SBaolin Wang depends on HAS_IOMEM 4788a1ece26SChunyan Zhang depends on (ARCH_SPRD || COMPILE_TEST) 4798a1ece26SChunyan Zhang default ARCH_SPRD 480067bc914SBaolin Wang select TIMER_OF 481067bc914SBaolin Wang help 482067bc914SBaolin Wang Enables support for the Spreadtrum timer driver. 483067bc914SBaolin Wang 484fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 485fd3f1270SMagnus Damm bool 486fd3f1270SMagnus Damm 487fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 488fd3f1270SMagnus Damm bool 489fd3f1270SMagnus Damm 490fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 491fd3f1270SMagnus Damm bool 492fd3f1270SMagnus Damm 4939995f4f1SRich Felkerconfig CLKSRC_JCORE_PIT 4949995f4f1SRich Felker bool "J-Core PIT timer driver" if COMPILE_TEST 4959995f4f1SRich Felker depends on OF 4969995f4f1SRich Felker depends on HAS_IOMEM 4979995f4f1SRich Felker select CLKSRC_MMIO 4989995f4f1SRich Felker help 4999995f4f1SRich Felker This enables build of clocksource and clockevent driver for 5009995f4f1SRich Felker the integrated PIT in the J-Core synthesizable, open source SoC. 5019995f4f1SRich Felker 502fd3f1270SMagnus Dammconfig SH_TIMER_CMT 503fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 50411bc26feSRichard Weinberger depends on HAS_IOMEM 505fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 506fd3f1270SMagnus Damm help 507fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 508fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 509fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 510fd3f1270SMagnus Damm 511fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 512fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 51311bc26feSRichard Weinberger depends on HAS_IOMEM 514fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 515fd3f1270SMagnus Damm help 516fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 5177e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 51806293463SRandy Dunlap This hardware comes with 16-bit timer registers. 519fd3f1270SMagnus Damm 520fb6002a8SChris Brandtconfig RENESAS_OSTM 521a2807f65SBiju Das bool "Renesas OSTM timer driver" 522a2807f65SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 523fb6002a8SChris Brandt select CLKSRC_MMIO 52422731423SGeert Uytterhoeven select TIMER_OF 525fb6002a8SChris Brandt help 526fb6002a8SChris Brandt Enables the support for the Renesas OSTM. 527fb6002a8SChris Brandt 528fd3f1270SMagnus Dammconfig SH_TIMER_TMU 529fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 53011bc26feSRichard Weinberger depends on HAS_IOMEM 531fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 532fd3f1270SMagnus Damm help 533fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 534fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 535fd3f1270SMagnus Damm SoCs from Renesas. 536fd3f1270SMagnus Damm 537fd3f1270SMagnus Dammconfig EM_TIMER_STI 538fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 5392f8a26c1SArnd Bergmann depends on HAS_IOMEM 540fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 541fd3f1270SMagnus Damm help 542fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 543fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 544fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 545dfc25e45SLinus Torvalds 5463f8e8ceeSKumar Galaconfig CLKSRC_QCOM 5473dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 5483dc0e9f6SDaniel Lezcano depends on ARM 549bb0eb050SDaniel Lezcano select TIMER_OF 5503dc0e9f6SDaniel Lezcano help 5513dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 5523dc0e9f6SDaniel Lezcano Qualcomm SoCs. 553220e2a8dSPawel Moll 554220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 5555cc87a4dSDaniel Lezcano bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 55677f6c0b8SArnd Bergmann depends on GENERIC_SCHED_CLOCK 557bb0eb050SDaniel Lezcano select TIMER_OF 558bfed0edeSRob Herring default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM 559220e2a8dSPawel Moll help 560220e2a8dSPawel Moll This option enables clock source based on free running 561220e2a8dSPawel Moll counter available in the "System Registers" block of 562bfed0edeSRob Herring ARM Versatile and Versatile Express reference platforms. 56358394271SJean Delvare 564fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 565fa5635a2SAndrew Bresticker bool 566fa5635a2SAndrew Bresticker depends on MIPS_GIC 5677d7de1a6SSerge Semin select CLOCKSOURCE_WATCHDOG 568bb0eb050SDaniel Lezcano select TIMER_OF 569fa5635a2SAndrew Bresticker 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 58906293463SRandy Dunlap 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 59606293463SRandy Dunlap H8S2678 CPU. 597618b902dSYoshinori Sato 598bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 599bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 6002f4574ddSArnd Bergmann depends on (ARM || ARM64) && HAVE_CLK 601bea5af41SShawn Guo select CLKSRC_MMIO 602bea5af41SShawn Guo 603059ab7b8SDong Aishengconfig CLKSRC_IMX_TPM 604059ab7b8SDong Aisheng bool "Clocksource using i.MX TPM" if COMPILE_TEST 6052f4574ddSArnd Bergmann depends on (ARM || ARM64) && HAVE_CLK 606059ab7b8SDong Aisheng select CLKSRC_MMIO 607a6d0812aSAnson Huang select TIMER_OF 608059ab7b8SDong Aisheng help 609059ab7b8SDong Aisheng Enable this option to use IMX Timer/PWM Module (TPM) timer as 610059ab7b8SDong Aisheng clocksource. 611059ab7b8SDong Aisheng 6127117a44bSBai Pingconfig TIMER_IMX_SYS_CTR 6137117a44bSBai Ping bool "i.MX system counter timer" if COMPILE_TEST 6147117a44bSBai Ping select TIMER_OF 6157117a44bSBai Ping help 6167117a44bSBai Ping Enable this option to use i.MX system counter timer as a 6177117a44bSBai Ping clockevent. 6187117a44bSBai Ping 61970bef01cSLee Jonesconfig CLKSRC_ST_LPC 620baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 621bb0eb050SDaniel Lezcano select TIMER_OF if OF 622863ee050SRichard Weinberger depends on HAS_IOMEM 6232be6d9bfSArnd Bergmann select CLKSRC_MMIO 62470bef01cSLee Jones help 62570bef01cSLee Jones Enable this option to use the Low Power controller timer 62670bef01cSLee Jones as clocksource. 62770bef01cSLee Jones 62862b01943SPalmer Dabbeltconfig RISCV_TIMER 6292bc3fc87SAnup Patel bool "Timer for the RISC-V platform" if COMPILE_TEST 630ab310544SKefeng Wang depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI 63162b01943SPalmer Dabbelt select TIMER_PROBE 63262b01943SPalmer Dabbelt select TIMER_OF 63362b01943SPalmer Dabbelt help 63462b01943SPalmer Dabbelt This enables the per-hart timer built into all RISC-V systems, which 63562b01943SPalmer Dabbelt is accessed via both the SBI and the rdcycle instruction. This is 63662b01943SPalmer Dabbelt required for all RISC-V systems. 63762b01943SPalmer Dabbelt 6382ac6795fSAnup Patelconfig CLINT_TIMER 6392ac6795fSAnup Patel bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST 6402ac6795fSAnup Patel depends on GENERIC_SCHED_CLOCK && RISCV 6412ac6795fSAnup Patel select TIMER_PROBE 6422ac6795fSAnup Patel select TIMER_OF 6432ac6795fSAnup Patel help 6442ac6795fSAnup Patel This option enables the CLINT timer for RISC-V systems. The CLINT 6452ac6795fSAnup Patel driver is usually used for NoMMU RISC-V systems. 6462ac6795fSAnup Patel 647a7ad38b0SGuo Renconfig CSKY_MP_TIMER 648a7ad38b0SGuo Ren bool "SMP Timer for the C-SKY platform" if COMPILE_TEST 649a7ad38b0SGuo Ren depends on CSKY 650a7ad38b0SGuo Ren select TIMER_OF 651a7ad38b0SGuo Ren help 652a7ad38b0SGuo Ren Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP 653a7ad38b0SGuo Ren system. 65406293463SRandy Dunlap csky,mptimer is not only used in SMP system, it also could be used in 65506293463SRandy Dunlap single core system. It's not a mmio reg and it uses mtcr/mfcr instruction. 656a7ad38b0SGuo Ren 65733745c3cSGuo Renconfig GX6605S_TIMER 65833745c3cSGuo Ren bool "Gx6605s SOC system timer driver" if COMPILE_TEST 65933745c3cSGuo Ren depends on CSKY 66033745c3cSGuo Ren select CLKSRC_MMIO 66133745c3cSGuo Ren select TIMER_OF 66233745c3cSGuo Ren help 66333745c3cSGuo Ren This option enables support for gx6605s SOC's timer. 66433745c3cSGuo Ren 665b58f28f3SSugaya Taichiconfig MILBEAUT_TIMER 666b58f28f3SSugaya Taichi bool "Milbeaut timer driver" if COMPILE_TEST 667b58f28f3SSugaya Taichi depends on OF 668b58f28f3SSugaya Taichi depends on ARM 669b58f28f3SSugaya Taichi select TIMER_OF 670b58f28f3SSugaya Taichi select CLKSRC_MMIO 671b58f28f3SSugaya Taichi help 672b58f28f3SSugaya Taichi Enables the support for Milbeaut timer driver. 673b58f28f3SSugaya Taichi 6745fc1f93fSRomain Perierconfig MSC313E_TIMER 6755fc1f93fSRomain Perier bool "MSC313E timer driver" if COMPILE_TEST 6765fc1f93fSRomain Perier select TIMER_OF 6775fc1f93fSRomain Perier select CLKSRC_MMIO 6785fc1f93fSRomain Perier help 6795fc1f93fSRomain Perier Enables support for the MStar MSC313E timer driver. 6805fc1f93fSRomain Perier This provides access to multiple interrupt generating 6815fc1f93fSRomain Perier programmable 32-bit free running incrementing counters. 6825fc1f93fSRomain Perier 68334e93683SPaul Cercueilconfig INGENIC_TIMER 68434e93683SPaul Cercueil bool "Clocksource/timer using the TCU in Ingenic JZ SoCs" 68534e93683SPaul Cercueil default MACH_INGENIC 68634e93683SPaul Cercueil depends on MIPS || COMPILE_TEST 68734e93683SPaul Cercueil depends on COMMON_CLK 68834e93683SPaul Cercueil select MFD_SYSCON 68934e93683SPaul Cercueil select TIMER_OF 69034e93683SPaul Cercueil select IRQ_DOMAIN 69134e93683SPaul Cercueil help 69234e93683SPaul Cercueil Support for the timer/counter unit of the Ingenic JZ SoCs. 69334e93683SPaul Cercueil 6945ecafc12S周琰杰 (Zhou Yanjie)config INGENIC_SYSOST 6955ecafc12S周琰杰 (Zhou Yanjie) bool "Clocksource/timer using the SYSOST in Ingenic X SoCs" 6965ecafc12S周琰杰 (Zhou Yanjie) depends on MIPS || COMPILE_TEST 6975ecafc12S周琰杰 (Zhou Yanjie) depends on COMMON_CLK 6985ecafc12S周琰杰 (Zhou Yanjie) select MFD_SYSCON 6995ecafc12S周琰杰 (Zhou Yanjie) select TIMER_OF 7005ecafc12S周琰杰 (Zhou Yanjie) select IRQ_DOMAIN 7015ecafc12S周琰杰 (Zhou Yanjie) help 7025ecafc12S周琰杰 (Zhou Yanjie) Support for the SYSOST of the Ingenic X Series SoCs. 7035ecafc12S周琰杰 (Zhou Yanjie) 704ca7b72b5SMaarten ter Huurneconfig INGENIC_OST 7055ecafc12S周琰杰 (Zhou Yanjie) bool "Clocksource using the OST in Ingenic JZ SoCs" 706ca7b72b5SMaarten ter Huurne depends on MIPS || COMPILE_TEST 707ca7b72b5SMaarten ter Huurne depends on COMMON_CLK 708ca7b72b5SMaarten ter Huurne select MFD_SYSCON 709ca7b72b5SMaarten ter Huurne help 710ca7b72b5SMaarten ter Huurne Support for the Operating System Timer of the Ingenic JZ SoCs. 711ca7b72b5SMaarten ter Huurne 712625022a5SClaudiu Bezneaconfig MICROCHIP_PIT64B 713625022a5SClaudiu Beznea bool "Microchip PIT64B support" 714625022a5SClaudiu Beznea depends on OF || COMPILE_TEST 71525259f7aSMichael Ellerman select TIMER_OF 716625022a5SClaudiu Beznea help 717625022a5SClaudiu Beznea This option enables Microchip PIT64B timer for Atmel 718625022a5SClaudiu Beznea based system. It supports the oneshot, the periodic 719625022a5SClaudiu Beznea modes and high resolution. It is used as a clocksource 720625022a5SClaudiu Beznea and a clockevent. 721625022a5SClaudiu Beznea 72258394271SJean Delvareendmenu 723