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 25*ab0bbef3STony Lindgrenconfig OMAP_DM_SYSTIMER 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 59*ab0bbef3STony Lindgrenconfig OMAP_DM_TIMER 60*ab0bbef3STony Lindgren tristate "OMAP dual-mode timer driver" if ARCH_K3 || COMPILE_TEST 61*ab0bbef3STony Lindgren select TIMER_OF 62*ab0bbef3STony Lindgren help 63*ab0bbef3STony Lindgren Enables the support for the TI dual-mode timer driver. 64*ab0bbef3STony Lindgren 6506c3df49SJamie Ilesconfig DW_APB_TIMER 665b097f6bSDaniel Lezcano bool "DW APB timer driver" if COMPILE_TEST 675b097f6bSDaniel Lezcano help 685b097f6bSDaniel Lezcano Enables the support for the dw_apb timer. 69489bcceaSMattias Wallin 70cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 71cfda5901SDinh Nguyen bool 721b4eca0fSHeiko Stuebner select DW_APB_TIMER 73bb0eb050SDaniel Lezcano select TIMER_OF 74cfda5901SDinh Nguyen 75f5bf0ee4SLinus Walleijconfig FTTMR010_TIMER 76f5bf0ee4SLinus Walleij bool "Faraday Technology timer driver" if COMPILE_TEST 774750535bSLinus Walleij depends on HAS_IOMEM 784750535bSLinus Walleij select CLKSRC_MMIO 79bb0eb050SDaniel Lezcano select TIMER_OF 804750535bSLinus Walleij select MFD_SYSCON 814750535bSLinus Walleij help 82f5bf0ee4SLinus Walleij Enables support for the Faraday Technology timer block 83f5bf0ee4SLinus Walleij FTTMR010. 844750535bSLinus Walleij 8513e0b405SLinus Walleijconfig IXP4XX_TIMER 8613e0b405SLinus Walleij bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST 8713e0b405SLinus Walleij depends on HAS_IOMEM 8813e0b405SLinus Walleij select CLKSRC_MMIO 8941929c9fSLinus Walleij select TIMER_OF 9013e0b405SLinus Walleij help 9113e0b405SLinus Walleij Enables support for the Intel XScale IXP4xx SoC timer. 9213e0b405SLinus Walleij 93468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 9440ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 9540ada2aaSDaniel Lezcano depends on ARM || ARM64 96bb0eb050SDaniel Lezcano select TIMER_OF 975e0a39d0SAlexander Kochetkov select CLKSRC_MMIO 9840ada2aaSDaniel Lezcano help 9906293463SRandy Dunlap Enables the support for the Rockchip timer driver. 100468b8c4cSDaniel Lezcano 1016fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 1029519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 1039519e80cSDaniel Lezcano depends on ARM 104bb0eb050SDaniel Lezcano select TIMER_OF 1052be6d9bfSArnd Bergmann select CLKSRC_MMIO 1069519e80cSDaniel Lezcano help 1079519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 1086fe9cbd1SGregory CLEMENT 109e4a6b378SCarlo Caioneconfig MESON6_TIMER 1100b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 1117b6b0a45SBeniamino Galvani select CLKSRC_MMIO 1120b7a7bb7SDaniel Lezcano help 1130b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 114e4a6b378SCarlo Caione 1150c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 116c9165549SDaniel Lezcano bool "Orion timer driver" if COMPILE_TEST 117c9165549SDaniel Lezcano depends on ARM 118bb0eb050SDaniel Lezcano select TIMER_OF 1190c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 120c9165549SDaniel Lezcano help 121c9165549SDaniel Lezcano Enables the support for the Orion timer driver 1220c1dcfd5SSebastian Hesselbarth 1234be78a86SAndreas Färberconfig OWL_TIMER 1244be78a86SAndreas Färber bool "Owl timer driver" if COMPILE_TEST 1254be78a86SAndreas Färber select CLKSRC_MMIO 1264be78a86SAndreas Färber help 1274be78a86SAndreas Färber Enables the support for the Actions Semi Owl timer driver. 1284be78a86SAndreas Färber 1297f83a132SManivannan Sadhasivamconfig RDA_TIMER 1307f83a132SManivannan Sadhasivam bool "RDA timer driver" if COMPILE_TEST 1317f83a132SManivannan Sadhasivam select CLKSRC_MMIO 1327f83a132SManivannan Sadhasivam select TIMER_OF 1337f83a132SManivannan Sadhasivam help 1347f83a132SManivannan Sadhasivam Enables the support for the RDA Micro timer driver. 1357f83a132SManivannan Sadhasivam 136119fd635SMaxime Ripardconfig SUN4I_TIMER 137b4fcd48bSDaniel Lezcano bool "Sun4i timer driver" if COMPILE_TEST 138d7023e62SRichard Weinberger depends on HAS_IOMEM 13971c568c0SMaxime Ripard select CLKSRC_MMIO 140239751edSDaniel Lezcano select TIMER_OF 141b4fcd48bSDaniel Lezcano help 142b4fcd48bSDaniel Lezcano Enables support for the Sun4i timer. 143b2ac5d75SMaxime Ripard 14467905540SMaxime Ripardconfig SUN5I_HSTIMER 145f0c5afb7SDaniel Lezcano bool "Sun5i timer driver" if COMPILE_TEST 14667905540SMaxime Ripard select CLKSRC_MMIO 147f0c5afb7SDaniel Lezcano depends on COMMON_CLK 148f0c5afb7SDaniel Lezcano help 149f0c5afb7SDaniel Lezcano Enables support the Sun5i timer. 15067905540SMaxime Ripard 151910978e7SThierry Redingconfig TEGRA_TIMER 152adce4bc8SDaniel Lezcano bool "Tegra timer driver" if COMPILE_TEST 1532be6d9bfSArnd Bergmann select CLKSRC_MMIO 154b4822dc7SJoseph Lo select TIMER_OF 155acb4bb3fSDmitry Osipenko depends on ARCH_TEGRA || COMPILE_TEST 156adce4bc8SDaniel Lezcano help 157adce4bc8SDaniel Lezcano Enables support for the Tegra driver. 158910978e7SThierry Reding 15942cee19aSThierry Redingconfig TEGRA186_TIMER 16042cee19aSThierry Reding tristate "NVIDIA Tegra186 timer driver" 16142cee19aSThierry Reding depends on ARCH_TEGRA || COMPILE_TEST 16242cee19aSThierry Reding depends on WATCHDOG && WATCHDOG_CORE 16342cee19aSThierry Reding help 16442cee19aSThierry Reding Enables support for the timers and watchdogs found on NVIDIA 16542cee19aSThierry Reding Tegra186 and later SoCs. 16642cee19aSThierry Reding 167ff7ec345STony Priskconfig VT8500_TIMER 168b4bdf7efSDaniel Lezcano bool "VT8500 timer driver" if COMPILE_TEST 169d7023e62SRichard Weinberger depends on HAS_IOMEM 170b4bdf7efSDaniel Lezcano help 171b4bdf7efSDaniel Lezcano Enables support for the VT8500 driver. 172ff7ec345STony Prisk 1731c00289eSTomer Maimonconfig NPCM7XX_TIMER 1741c00289eSTomer Maimon bool "NPCM7xx timer driver" if COMPILE_TEST 1751c00289eSTomer Maimon depends on HAS_IOMEM 17699834eeaSArnd Bergmann select TIMER_OF 1771c00289eSTomer Maimon select CLKSRC_MMIO 1781c00289eSTomer Maimon help 1791c00289eSTomer Maimon Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 18006293463SRandy Dunlap where TIMER0 serves as clockevent and TIMER1 serves as clocksource. 1811c00289eSTomer Maimon 1824f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 18357f49318SDaniel Lezcano bool "Cadence TTC timer driver" if COMPILE_TEST 18457f49318SDaniel Lezcano depends on COMMON_CLK 18557f49318SDaniel Lezcano help 18606293463SRandy Dunlap Enables support for the Cadence TTC driver. 1874f0f234fSMichal Simek 188a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 189b9755841SDaniel Lezcano bool "ASM9260 timer driver" if COMPILE_TEST 190a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 191bb0eb050SDaniel Lezcano select TIMER_OF 192b9755841SDaniel Lezcano help 193b9755841SDaniel Lezcano Enables support for the ASM9260 timer. 194a8b1b9fcSDaniel Lezcano 195694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 19670329653SDaniel Lezcano bool "Nomakdik clocksource driver" if COMPILE_TEST 19770329653SDaniel Lezcano depends on ARM 198694e33a7SLinus Walleij select CLKSRC_MMIO 199694e33a7SLinus Walleij help 200694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 201694e33a7SLinus Walleij to multiple interrupt generating programmable 202694e33a7SLinus Walleij 32-bit free running decrementing counters. 203694e33a7SLinus Walleij 204489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 2051becd6edSDaniel Lezcano bool "Clocksource PRCMU Timer" if COMPILE_TEST 206d7023e62SRichard Weinberger depends on HAS_IOMEM 207489bcceaSMattias Wallin help 20806293463SRandy Dunlap Use the always on PRCMU Timer as clocksource. 209489bcceaSMattias Wallin 210ecf0efdcSDaniel Lezcanoconfig CLPS711X_TIMER 21106293463SRandy Dunlap bool "Cirrus Logic timer driver" if COMPILE_TEST 212ecf0efdcSDaniel Lezcano select CLKSRC_MMIO 213ecf0efdcSDaniel Lezcano help 214ecf0efdcSDaniel Lezcano Enables support for the Cirrus Logic PS711 timer. 215ecf0efdcSDaniel Lezcano 216d81c50a0SDaniel Lezcanoconfig MXS_TIMER 21706293463SRandy Dunlap bool "MXS timer driver" if COMPILE_TEST 218d81c50a0SDaniel Lezcano select CLKSRC_MMIO 219d81c50a0SDaniel Lezcano select STMP_DEVICE 220d81c50a0SDaniel Lezcano help 22106293463SRandy Dunlap Enables support for the MXS timer. 222d81c50a0SDaniel Lezcano 223d683b9dcSDaniel Lezcanoconfig NSPIRE_TIMER 224d683b9dcSDaniel Lezcano bool "NSpire timer driver" if COMPILE_TEST 225d683b9dcSDaniel Lezcano select CLKSRC_MMIO 226d683b9dcSDaniel Lezcano help 227d683b9dcSDaniel Lezcano Enables support for the Nspire timer. 228d683b9dcSDaniel Lezcano 229c12547a0SDaniel Lezcanoconfig KEYSTONE_TIMER 230c12547a0SDaniel Lezcano bool "Keystone timer driver" if COMPILE_TEST 231c12547a0SDaniel Lezcano depends on ARM || ARM64 232c12547a0SDaniel Lezcano select CLKSRC_MMIO 233c12547a0SDaniel Lezcano help 234c12547a0SDaniel Lezcano Enables support for the Keystone timer. 235c12547a0SDaniel Lezcano 236568c0342SDaniel Lezcanoconfig INTEGRATOR_AP_TIMER 23706293463SRandy Dunlap bool "Integrator-AP timer driver" if COMPILE_TEST 238568c0342SDaniel Lezcano select CLKSRC_MMIO 239568c0342SDaniel Lezcano help 24006293463SRandy Dunlap Enables support for the Integrator-AP timer. 241568c0342SDaniel Lezcano 242050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 243ddcf48c7SDaniel Lezcano bool "Clocksource for LPC32XX" if COMPILE_TEST 2442f8a26c1SArnd Bergmann depends on HAS_IOMEM 2451b18fd20SEzequiel Garcia depends on ARM 246050dd322SJoachim Eastwood select CLKSRC_MMIO 247bb0eb050SDaniel Lezcano select TIMER_OF 248ddcf48c7SDaniel Lezcano help 249ddcf48c7SDaniel Lezcano Support for the LPC32XX clocksource. 250050dd322SJoachim Eastwood 25184583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 2521e4fd60bSJiaxun Yang bool "Clocksource for Pistachio SoC" 2532f8a26c1SArnd Bergmann depends on HAS_IOMEM 2541e4fd60bSJiaxun Yang depends on MIPS || COMPILE_TEST 255bb0eb050SDaniel Lezcano select TIMER_OF 256dfdb1652SDaniel Lezcano help 257dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 25884583983SEzequiel Garcia 259fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 260fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 261dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 262bb0eb050SDaniel Lezcano select TIMER_OF if OF 263fe851f56SFelipe Balbi help 264fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 265fe851f56SFelipe Balbi available on many OMAP-like platforms. 266fe851f56SFelipe Balbi 267e37e4593SMaxime Coquelinconfig CLKSRC_STM32 2681cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 2691cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 270e37e4593SMaxime Coquelin select CLKSRC_MMIO 271d04af490SBenjamin Gaignard select TIMER_OF 272e37e4593SMaxime Coquelin 27348b41c5eSBenjamin Gaignardconfig CLKSRC_STM32_LP 27448b41c5eSBenjamin Gaignard bool "Low power clocksource for STM32 SoCs" 27548b41c5eSBenjamin Gaignard depends on MFD_STM32_LPTIMER || COMPILE_TEST 27648b41c5eSBenjamin Gaignard 2770302637fSVladimir Murzinconfig CLKSRC_MPS2 2780302637fSVladimir Murzin bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 2790302637fSVladimir Murzin depends on GENERIC_SCHED_CLOCK 2800302637fSVladimir Murzin select CLKSRC_MMIO 281bb0eb050SDaniel Lezcano select TIMER_OF 2820302637fSVladimir Murzin 283c4c9a040SVineet Guptaconfig ARC_TIMERS 284c4c9a040SVineet Gupta bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 285bf287607SAlexey Brodkin depends on GENERIC_SCHED_CLOCK 286bb0eb050SDaniel Lezcano select TIMER_OF 287c4c9a040SVineet Gupta help 288c4c9a040SVineet Gupta These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 289c4c9a040SVineet Gupta (ARC700 as well as ARC HS38). 29006293463SRandy Dunlap TIMER0 serves as clockevent while TIMER1 provides clocksource. 291c4c9a040SVineet Gupta 292c4c9a040SVineet Guptaconfig ARC_TIMERS_64BIT 293c4c9a040SVineet Gupta bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 294c4c9a040SVineet Gupta depends on ARC_TIMERS 295bb0eb050SDaniel Lezcano select TIMER_OF 296c4c9a040SVineet Gupta help 29706293463SRandy Dunlap This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP). 298c4c9a040SVineet Gupta RTC is implemented inside the core, while GFRC sits outside the core in 299c4c9a040SVineet Gupta ARConnect IP block. Driver automatically picks one of them for clocksource 300c4c9a040SVineet Gupta as appropriate. 301c4c9a040SVineet Gupta 3028a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 3038a4da6e3SMark Rutland bool 304bb0eb050SDaniel Lezcano select TIMER_OF if OF 305fa1bffabSDaniel Lezcano select TIMER_ACPI if ACPI 306a2c5d4edSJames Hogan 307037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 30846fd5c6bSWill Deacon bool "Enable ARM architected timer event stream generation by default" 309037f6377SWill Deacon default y if ARM_ARCH_TIMER 31077f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 311037f6377SWill Deacon help 31246fd5c6bSWill Deacon This option enables support by default for event stream generation 31346fd5c6bSWill Deacon based on the ARM architected timer. It is used for waking up CPUs 31446fd5c6bSWill Deacon executing the wfe instruction at a frequency represented as a 31546fd5c6bSWill Deacon power-of-2 divisor of the clock rate. The behaviour can also be 31646fd5c6bSWill Deacon overridden on the command line using the 31746fd5c6bSWill Deacon clocksource.arm_arch_timer.evtstream parameter. 318037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 319037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 320037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 321037f6377SWill Deacon event is not generated. 322037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 323037f6377SWill Deacon hardware anomalies of missing events. 324037f6377SWill Deacon 32516d10ef2SDing Tianhongconfig ARM_ARCH_TIMER_OOL_WORKAROUND 32616d10ef2SDing Tianhong bool 32716d10ef2SDing Tianhong 328f6dc1576SScott Woodconfig FSL_ERRATUM_A008585 329f6dc1576SScott Wood bool "Workaround for Freescale/NXP Erratum A-008585" 330f6dc1576SScott Wood default y 331f6dc1576SScott Wood depends on ARM_ARCH_TIMER && ARM64 33216d10ef2SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 333f6dc1576SScott Wood help 334f6dc1576SScott Wood This option enables a workaround for Freescale/NXP Erratum 335f6dc1576SScott Wood A-008585 ("ARM generic timer may contain an erroneous 336f6dc1576SScott Wood value"). The workaround will only be active if the 337f6dc1576SScott Wood fsl,erratum-a008585 property is found in the timer node. 338f6dc1576SScott Wood 339bb42ca47SDing Tianhongconfig HISILICON_ERRATUM_161010101 340bb42ca47SDing Tianhong bool "Workaround for Hisilicon Erratum 161010101" 341bb42ca47SDing Tianhong default y 342bb42ca47SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 343bb42ca47SDing Tianhong depends on ARM_ARCH_TIMER && ARM64 344bb42ca47SDing Tianhong help 345bb42ca47SDing Tianhong This option enables a workaround for Hisilicon Erratum 346bb42ca47SDing Tianhong 161010101. The workaround will be active if the hisilicon,erratum-161010101 347bb42ca47SDing Tianhong property is found in the timer node. 348bb42ca47SDing Tianhong 349fa8d815fSMarc Zyngierconfig ARM64_ERRATUM_858921 350fa8d815fSMarc Zyngier bool "Workaround for Cortex-A73 erratum 858921" 351fa8d815fSMarc Zyngier default y 352fa8d815fSMarc Zyngier select ARM_ARCH_TIMER_OOL_WORKAROUND 353fa8d815fSMarc Zyngier depends on ARM_ARCH_TIMER && ARM64 354fa8d815fSMarc Zyngier help 355fa8d815fSMarc Zyngier This option enables a workaround applicable to Cortex-A73 356fa8d815fSMarc Zyngier (all versions), whose counter may return incorrect values. 357fa8d815fSMarc Zyngier The workaround will be dynamically enabled when an affected 358fa8d815fSMarc Zyngier core is detected. 359fa8d815fSMarc Zyngier 360c950ca8cSSamuel Hollandconfig SUN50I_ERRATUM_UNKNOWN1 361c950ca8cSSamuel Holland bool "Workaround for Allwinner A64 erratum UNKNOWN1" 362c950ca8cSSamuel Holland default y 363c950ca8cSSamuel Holland depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI 364c950ca8cSSamuel Holland select ARM_ARCH_TIMER_OOL_WORKAROUND 365c950ca8cSSamuel Holland help 366c950ca8cSSamuel Holland This option enables a workaround for instability in the timer on 367c950ca8cSSamuel Holland the Allwinner A64 SoC. The workaround will only be active if the 368c950ca8cSSamuel Holland allwinner,erratum-unknown1 property is found in the timer node. 369c950ca8cSSamuel Holland 370c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 37167a87a43SDaniel Lezcano bool "Support for the ARM global timer" if COMPILE_TEST 372bb0eb050SDaniel Lezcano select TIMER_OF if OF 37367a87a43SDaniel Lezcano depends on ARM 374c1b40e44SStuart Menefy help 37506293463SRandy Dunlap This option enables support for the ARM global timer unit. 376c1b40e44SStuart Menefy 377171b45a4SAndrea Merelloconfig ARM_GT_INITIAL_PRESCALER_VAL 378171b45a4SAndrea Merello int "ARM global timer initial prescaler value" 37968e2215eSAndrea Merello default 2 if ARCH_ZYNQ 380171b45a4SAndrea Merello default 1 381171b45a4SAndrea Merello depends on ARM_GLOBAL_TIMER 382171b45a4SAndrea Merello help 383171b45a4SAndrea Merello When the ARM global timer initializes, its current rate is declared 3846f6f3e31SRandy Dunlap to the kernel and maintained forever. Should its parent clock 385171b45a4SAndrea Merello change, the driver tries to fix the timer's internal prescaler. 386171b45a4SAndrea Merello On some machs (i.e. Zynq) the initial prescaler value thus poses 387171b45a4SAndrea Merello bounds about how much the parent clock is allowed to decrease or 388171b45a4SAndrea Merello increase wrt the initial clock value. 389171b45a4SAndrea Merello This affects CPU_FREQ max delta from the initial frequency. 390171b45a4SAndrea Merello 3910b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 392dfc82faaSDavid Abdurachmanov bool "Support for Dual Timer SP804 module" if COMPILE_TEST 3932f4574ddSArnd Bergmann depends on GENERIC_SCHED_CLOCK && HAVE_CLK 3940b7402dcSSudeep Holla select CLKSRC_MMIO 395bb0eb050SDaniel Lezcano select TIMER_OF if OF 3960b7402dcSSudeep Holla 397c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 398c1b40e44SStuart Menefy bool 399c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 400c1b40e44SStuart Menefy default y 401c1b40e44SStuart Menefy help 40206293463SRandy Dunlap Use ARM global timer clock source as sched_clock. 403c1b40e44SStuart Menefy 4044958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 405e2146d86SDaniel Lezcano bool "Support for the ARMv7M system time" if COMPILE_TEST 406bb0eb050SDaniel Lezcano select TIMER_OF if OF 4074958ebb3SMaxime Coquelin select CLKSRC_MMIO 4084958ebb3SMaxime Coquelin help 40906293463SRandy Dunlap This option enables support for the ARMv7M system timer unit. 4104958ebb3SMaxime Coquelin 411b052ff30SMaxime Ripardconfig ATMEL_PIT 4122f982703SAlexandre Belloni bool "Atmel PIT support" if COMPILE_TEST 4132f982703SAlexandre Belloni depends on HAS_IOMEM 414bb0eb050SDaniel Lezcano select TIMER_OF if OF 4152f982703SAlexandre Belloni help 4162f982703SAlexandre Belloni Support for the Periodic Interval Timer found on Atmel SoCs. 417b052ff30SMaxime Ripard 418b53cdd03SAlexandre Belloniconfig ATMEL_ST 419b988d3f0SDaniel Lezcano bool "Atmel ST timer support" if COMPILE_TEST 420bd2746f0SMasahiro Yamada depends on HAS_IOMEM 421bb0eb050SDaniel Lezcano select TIMER_OF 4227ab7ef74SAlexandre Belloni select MFD_SYSCON 423b988d3f0SDaniel Lezcano help 424b988d3f0SDaniel Lezcano Support for the Atmel ST timer. 425b53cdd03SAlexandre Belloni 4266275f494SAlexandre Belloniconfig ATMEL_TCB_CLKSRC 4276275f494SAlexandre Belloni bool "Atmel TC Block timer driver" if COMPILE_TEST 4281ce861ceSAlexandre Belloni depends on ARM && HAS_IOMEM 4296275f494SAlexandre Belloni select TIMER_OF if OF 4306275f494SAlexandre Belloni help 4316275f494SAlexandre Belloni Support for Timer Counter Blocks on Atmel SoCs. 4326275f494SAlexandre Belloni 4336938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 43439366ef4SDaniel Lezcano bool "Exynos multi core timer driver" if COMPILE_TEST 435f1a4c1f3SChanwoo Choi depends on ARM || ARM64 4368602a80bSKrzysztof Kozlowski depends on ARCH_EXYNOS || COMPILE_TEST 4376938d75aSThomas Abraham help 4386938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 439241a9871SArnd Bergmann 440f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 441de37b0b5SAlexandre Belloni bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 442d7023e62SRichard Weinberger depends on HAS_IOMEM 4438602a80bSKrzysztof Kozlowski depends on ARCH_EXYNOS || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 444f1189989STomasz Figa help 445f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 446f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 447f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 448f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 449c1967249SJingchang Lu 4502529c3a3SXiubo Liconfig FSL_FTM_TIMER 451ef49336bSDaniel Lezcano bool "Freescale FlexTimer Module driver" if COMPILE_TEST 452d7023e62SRichard Weinberger depends on HAS_IOMEM 45303724ac3SDaniel Lezcano select CLKSRC_MMIO 4542529c3a3SXiubo Li help 4552529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 4562529c3a3SXiubo Li 457c1967249SJingchang Luconfig VF_PIT_TIMER 458c1967249SJingchang Lu bool 4592be6d9bfSArnd Bergmann select CLKSRC_MMIO 460c1967249SJingchang Lu help 46106293463SRandy Dunlap Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs. 462fd3f1270SMagnus Damm 46389355274SNeil Armstrongconfig OXNAS_RPS_TIMER 46489355274SNeil Armstrong bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 465bb0eb050SDaniel Lezcano select TIMER_OF 46689355274SNeil Armstrong select CLKSRC_MMIO 46789355274SNeil Armstrong help 46889355274SNeil Armstrong This enables support for the Oxford Semiconductor OXNAS RPS timers. 46989355274SNeil Armstrong 470fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 471fd3f1270SMagnus Damm bool 472fd3f1270SMagnus Damm 473ecb3530dSMatthias Bruggerconfig MTK_TIMER 474fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 4752f8a26c1SArnd Bergmann depends on HAS_IOMEM 476bb0eb050SDaniel Lezcano select TIMER_OF 477ecb3530dSMatthias Brugger select CLKSRC_MMIO 478fbca9eabSDaniel Lezcano help 479fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 480ecb3530dSMatthias Brugger 481067bc914SBaolin Wangconfig SPRD_TIMER 4828a1ece26SChunyan Zhang bool "Spreadtrum timer driver" if EXPERT 483067bc914SBaolin Wang depends on HAS_IOMEM 4848a1ece26SChunyan Zhang depends on (ARCH_SPRD || COMPILE_TEST) 4858a1ece26SChunyan Zhang default ARCH_SPRD 486067bc914SBaolin Wang select TIMER_OF 487067bc914SBaolin Wang help 488067bc914SBaolin Wang Enables support for the Spreadtrum timer driver. 489067bc914SBaolin Wang 490fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 491fd3f1270SMagnus Damm bool 492fd3f1270SMagnus Damm 493fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 494fd3f1270SMagnus Damm bool 495fd3f1270SMagnus Damm 496fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 497fd3f1270SMagnus Damm bool 498fd3f1270SMagnus Damm 4999995f4f1SRich Felkerconfig CLKSRC_JCORE_PIT 5009995f4f1SRich Felker bool "J-Core PIT timer driver" if COMPILE_TEST 5019995f4f1SRich Felker depends on OF 5029995f4f1SRich Felker depends on HAS_IOMEM 5039995f4f1SRich Felker select CLKSRC_MMIO 5049995f4f1SRich Felker help 5059995f4f1SRich Felker This enables build of clocksource and clockevent driver for 5069995f4f1SRich Felker the integrated PIT in the J-Core synthesizable, open source SoC. 5079995f4f1SRich Felker 508fd3f1270SMagnus Dammconfig SH_TIMER_CMT 509fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 51011bc26feSRichard Weinberger depends on HAS_IOMEM 511fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 512fd3f1270SMagnus Damm help 513fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 514fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 515fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 516fd3f1270SMagnus Damm 517fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 518fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 51911bc26feSRichard Weinberger depends on HAS_IOMEM 520fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 521fd3f1270SMagnus Damm help 522fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 5237e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 52406293463SRandy Dunlap This hardware comes with 16-bit timer registers. 525fd3f1270SMagnus Damm 526fb6002a8SChris Brandtconfig RENESAS_OSTM 527a2807f65SBiju Das bool "Renesas OSTM timer driver" 528a2807f65SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 529fb6002a8SChris Brandt select CLKSRC_MMIO 53022731423SGeert Uytterhoeven select TIMER_OF 531fb6002a8SChris Brandt help 532fb6002a8SChris Brandt Enables the support for the Renesas OSTM. 533fb6002a8SChris Brandt 534fd3f1270SMagnus Dammconfig SH_TIMER_TMU 535fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 53611bc26feSRichard Weinberger depends on HAS_IOMEM 537fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 538fd3f1270SMagnus Damm help 539fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 540fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 541fd3f1270SMagnus Damm SoCs from Renesas. 542fd3f1270SMagnus Damm 543fd3f1270SMagnus Dammconfig EM_TIMER_STI 544fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 5452f8a26c1SArnd Bergmann depends on HAS_IOMEM 546fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 547fd3f1270SMagnus Damm help 548fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 549fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 550fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 551dfc25e45SLinus Torvalds 5523f8e8ceeSKumar Galaconfig CLKSRC_QCOM 5533dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 5543dc0e9f6SDaniel Lezcano depends on ARM 555bb0eb050SDaniel Lezcano select TIMER_OF 5563dc0e9f6SDaniel Lezcano help 5573dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 5583dc0e9f6SDaniel Lezcano Qualcomm SoCs. 559220e2a8dSPawel Moll 560220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 5615cc87a4dSDaniel Lezcano bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 56277f6c0b8SArnd Bergmann depends on GENERIC_SCHED_CLOCK 563bb0eb050SDaniel Lezcano select TIMER_OF 564bfed0edeSRob Herring default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM 565220e2a8dSPawel Moll help 566220e2a8dSPawel Moll This option enables clock source based on free running 567220e2a8dSPawel Moll counter available in the "System Registers" block of 568bfed0edeSRob Herring ARM Versatile and Versatile Express reference platforms. 56958394271SJean Delvare 570fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 571fa5635a2SAndrew Bresticker bool 572fa5635a2SAndrew Bresticker depends on MIPS_GIC 5737d7de1a6SSerge Semin select CLOCKSOURCE_WATCHDOG 574bb0eb050SDaniel Lezcano select TIMER_OF 575fa5635a2SAndrew Bresticker 576e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 5775ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 578d7023e62SRichard Weinberger depends on HAS_IOMEM 5795ae996cbSDaniel Lezcano select CLKSRC_MMIO 580e074ff86SDmitry Eremin-Solenikov help 581e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 582e074ff86SDmitry Eremin-Solenikov platforms. 583618b902dSYoshinori Sato 58497a23bebSDaniel Lezcanoconfig H8300_TMR8 58546e7c3c6SDaniel Lezcano bool "Clockevent timer for the H8300 platform" if COMPILE_TEST 5862f8a26c1SArnd Bergmann depends on HAS_IOMEM 58746e7c3c6SDaniel Lezcano help 58846e7c3c6SDaniel Lezcano This enables the 8 bits timer for the H8300 platform. 58997a23bebSDaniel Lezcano 590618b902dSYoshinori Satoconfig H8300_TMR16 59146e7c3c6SDaniel Lezcano bool "Clockevent timer for the H83069 platform" if COMPILE_TEST 5922f8a26c1SArnd Bergmann depends on HAS_IOMEM 59346e7c3c6SDaniel Lezcano help 59446e7c3c6SDaniel Lezcano This enables the 16 bits timer for the H8300 platform with the 59506293463SRandy Dunlap H83069 CPU. 596618b902dSYoshinori Sato 597618b902dSYoshinori Satoconfig H8300_TPU 59846e7c3c6SDaniel Lezcano bool "Clocksource for the H8300 platform" if COMPILE_TEST 5992f8a26c1SArnd Bergmann depends on HAS_IOMEM 60046e7c3c6SDaniel Lezcano help 60146e7c3c6SDaniel Lezcano This enables the clocksource for the H8300 platform with the 60206293463SRandy Dunlap H8S2678 CPU. 603618b902dSYoshinori Sato 604bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 605bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 6062f4574ddSArnd Bergmann depends on (ARM || ARM64) && HAVE_CLK 607bea5af41SShawn Guo select CLKSRC_MMIO 608bea5af41SShawn Guo 609059ab7b8SDong Aishengconfig CLKSRC_IMX_TPM 610059ab7b8SDong Aisheng bool "Clocksource using i.MX TPM" if COMPILE_TEST 6112f4574ddSArnd Bergmann depends on (ARM || ARM64) && HAVE_CLK 612059ab7b8SDong Aisheng select CLKSRC_MMIO 613a6d0812aSAnson Huang select TIMER_OF 614059ab7b8SDong Aisheng help 615059ab7b8SDong Aisheng Enable this option to use IMX Timer/PWM Module (TPM) timer as 616059ab7b8SDong Aisheng clocksource. 617059ab7b8SDong Aisheng 6187117a44bSBai Pingconfig TIMER_IMX_SYS_CTR 6197117a44bSBai Ping bool "i.MX system counter timer" if COMPILE_TEST 6207117a44bSBai Ping select TIMER_OF 6217117a44bSBai Ping help 6227117a44bSBai Ping Enable this option to use i.MX system counter timer as a 6237117a44bSBai Ping clockevent. 6247117a44bSBai Ping 62570bef01cSLee Jonesconfig CLKSRC_ST_LPC 626baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 627bb0eb050SDaniel Lezcano select TIMER_OF if OF 628863ee050SRichard Weinberger depends on HAS_IOMEM 6292be6d9bfSArnd Bergmann select CLKSRC_MMIO 63070bef01cSLee Jones help 63170bef01cSLee Jones Enable this option to use the Low Power controller timer 63270bef01cSLee Jones as clocksource. 63370bef01cSLee Jones 63462b01943SPalmer Dabbeltconfig RISCV_TIMER 6352bc3fc87SAnup Patel bool "Timer for the RISC-V platform" if COMPILE_TEST 636ab310544SKefeng Wang depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI 63762b01943SPalmer Dabbelt select TIMER_PROBE 63862b01943SPalmer Dabbelt select TIMER_OF 63962b01943SPalmer Dabbelt help 64062b01943SPalmer Dabbelt This enables the per-hart timer built into all RISC-V systems, which 64162b01943SPalmer Dabbelt is accessed via both the SBI and the rdcycle instruction. This is 64262b01943SPalmer Dabbelt required for all RISC-V systems. 64362b01943SPalmer Dabbelt 6442ac6795fSAnup Patelconfig CLINT_TIMER 6452ac6795fSAnup Patel bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST 6462ac6795fSAnup Patel depends on GENERIC_SCHED_CLOCK && RISCV 6472ac6795fSAnup Patel select TIMER_PROBE 6482ac6795fSAnup Patel select TIMER_OF 6492ac6795fSAnup Patel help 6502ac6795fSAnup Patel This option enables the CLINT timer for RISC-V systems. The CLINT 6512ac6795fSAnup Patel driver is usually used for NoMMU RISC-V systems. 6522ac6795fSAnup Patel 653a7ad38b0SGuo Renconfig CSKY_MP_TIMER 654a7ad38b0SGuo Ren bool "SMP Timer for the C-SKY platform" if COMPILE_TEST 655a7ad38b0SGuo Ren depends on CSKY 656a7ad38b0SGuo Ren select TIMER_OF 657a7ad38b0SGuo Ren help 658a7ad38b0SGuo Ren Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP 659a7ad38b0SGuo Ren system. 66006293463SRandy Dunlap csky,mptimer is not only used in SMP system, it also could be used in 66106293463SRandy Dunlap single core system. It's not a mmio reg and it uses mtcr/mfcr instruction. 662a7ad38b0SGuo Ren 66333745c3cSGuo Renconfig GX6605S_TIMER 66433745c3cSGuo Ren bool "Gx6605s SOC system timer driver" if COMPILE_TEST 66533745c3cSGuo Ren depends on CSKY 66633745c3cSGuo Ren select CLKSRC_MMIO 66733745c3cSGuo Ren select TIMER_OF 66833745c3cSGuo Ren help 66933745c3cSGuo Ren This option enables support for gx6605s SOC's timer. 67033745c3cSGuo Ren 671b58f28f3SSugaya Taichiconfig MILBEAUT_TIMER 672b58f28f3SSugaya Taichi bool "Milbeaut timer driver" if COMPILE_TEST 673b58f28f3SSugaya Taichi depends on OF 674b58f28f3SSugaya Taichi depends on ARM 675b58f28f3SSugaya Taichi select TIMER_OF 676b58f28f3SSugaya Taichi select CLKSRC_MMIO 677b58f28f3SSugaya Taichi help 678b58f28f3SSugaya Taichi Enables the support for Milbeaut timer driver. 679b58f28f3SSugaya Taichi 6805fc1f93fSRomain Perierconfig MSC313E_TIMER 6815fc1f93fSRomain Perier bool "MSC313E timer driver" if COMPILE_TEST 6825fc1f93fSRomain Perier select TIMER_OF 6835fc1f93fSRomain Perier select CLKSRC_MMIO 6845fc1f93fSRomain Perier help 6855fc1f93fSRomain Perier Enables support for the MStar MSC313E timer driver. 6865fc1f93fSRomain Perier This provides access to multiple interrupt generating 6875fc1f93fSRomain Perier programmable 32-bit free running incrementing counters. 6885fc1f93fSRomain Perier 68934e93683SPaul Cercueilconfig INGENIC_TIMER 69034e93683SPaul Cercueil bool "Clocksource/timer using the TCU in Ingenic JZ SoCs" 69134e93683SPaul Cercueil default MACH_INGENIC 69234e93683SPaul Cercueil depends on MIPS || COMPILE_TEST 69334e93683SPaul Cercueil depends on COMMON_CLK 69434e93683SPaul Cercueil select MFD_SYSCON 69534e93683SPaul Cercueil select TIMER_OF 69634e93683SPaul Cercueil select IRQ_DOMAIN 69734e93683SPaul Cercueil help 69834e93683SPaul Cercueil Support for the timer/counter unit of the Ingenic JZ SoCs. 69934e93683SPaul Cercueil 7005ecafc12S周琰杰 (Zhou Yanjie)config INGENIC_SYSOST 7015ecafc12S周琰杰 (Zhou Yanjie) bool "Clocksource/timer using the SYSOST in Ingenic X SoCs" 7025ecafc12S周琰杰 (Zhou Yanjie) depends on MIPS || COMPILE_TEST 7035ecafc12S周琰杰 (Zhou Yanjie) depends on COMMON_CLK 7045ecafc12S周琰杰 (Zhou Yanjie) select MFD_SYSCON 7055ecafc12S周琰杰 (Zhou Yanjie) select TIMER_OF 7065ecafc12S周琰杰 (Zhou Yanjie) select IRQ_DOMAIN 7075ecafc12S周琰杰 (Zhou Yanjie) help 7085ecafc12S周琰杰 (Zhou Yanjie) Support for the SYSOST of the Ingenic X Series SoCs. 7095ecafc12S周琰杰 (Zhou Yanjie) 710ca7b72b5SMaarten ter Huurneconfig INGENIC_OST 7115ecafc12S周琰杰 (Zhou Yanjie) bool "Clocksource using the OST in Ingenic JZ SoCs" 712ca7b72b5SMaarten ter Huurne depends on MIPS || COMPILE_TEST 713ca7b72b5SMaarten ter Huurne depends on COMMON_CLK 714ca7b72b5SMaarten ter Huurne select MFD_SYSCON 715ca7b72b5SMaarten ter Huurne help 716ca7b72b5SMaarten ter Huurne Support for the Operating System Timer of the Ingenic JZ SoCs. 717ca7b72b5SMaarten ter Huurne 718625022a5SClaudiu Bezneaconfig MICROCHIP_PIT64B 719625022a5SClaudiu Beznea bool "Microchip PIT64B support" 720625022a5SClaudiu Beznea depends on OF || COMPILE_TEST 72125259f7aSMichael Ellerman select TIMER_OF 722625022a5SClaudiu Beznea help 723625022a5SClaudiu Beznea This option enables Microchip PIT64B timer for Atmel 724625022a5SClaudiu Beznea based system. It supports the oneshot, the periodic 725625022a5SClaudiu Beznea modes and high resolution. It is used as a clocksource 726625022a5SClaudiu Beznea and a clockevent. 727625022a5SClaudiu Beznea 72858394271SJean Delvareendmenu 729