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 25ab0bbef3STony 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 59ab0bbef3STony Lindgrenconfig OMAP_DM_TIMER 60775343f9STony Lindgren bool "OMAP dual-mode timer driver" if ARCH_K3 || COMPILE_TEST 61775343f9STony Lindgren default y if ARCH_K3 62ab0bbef3STony Lindgren select TIMER_OF 63ab0bbef3STony Lindgren help 64ab0bbef3STony Lindgren Enables the support for the TI dual-mode timer driver. 65ab0bbef3STony Lindgren 6606c3df49SJamie Ilesconfig DW_APB_TIMER 675b097f6bSDaniel Lezcano bool "DW APB timer driver" if COMPILE_TEST 685b097f6bSDaniel Lezcano help 695b097f6bSDaniel Lezcano Enables the support for the dw_apb timer. 70489bcceaSMattias Wallin 71cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 72cfda5901SDinh Nguyen bool 731b4eca0fSHeiko Stuebner select DW_APB_TIMER 74bb0eb050SDaniel Lezcano select TIMER_OF 75cfda5901SDinh Nguyen 76f5bf0ee4SLinus Walleijconfig FTTMR010_TIMER 77f5bf0ee4SLinus Walleij bool "Faraday Technology timer driver" if COMPILE_TEST 784750535bSLinus Walleij depends on HAS_IOMEM 794750535bSLinus Walleij select CLKSRC_MMIO 80bb0eb050SDaniel Lezcano select TIMER_OF 814750535bSLinus Walleij select MFD_SYSCON 824750535bSLinus Walleij help 83f5bf0ee4SLinus Walleij Enables support for the Faraday Technology timer block 84f5bf0ee4SLinus Walleij FTTMR010. 854750535bSLinus Walleij 8613e0b405SLinus Walleijconfig IXP4XX_TIMER 8713e0b405SLinus Walleij bool "Intel XScale IXP4xx timer driver" if COMPILE_TEST 8813e0b405SLinus Walleij depends on HAS_IOMEM 8913e0b405SLinus Walleij select CLKSRC_MMIO 9041929c9fSLinus Walleij select TIMER_OF 9113e0b405SLinus Walleij help 9213e0b405SLinus Walleij Enables support for the Intel XScale IXP4xx SoC timer. 9313e0b405SLinus Walleij 94468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 9540ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 9640ada2aaSDaniel Lezcano depends on ARM || ARM64 97bb0eb050SDaniel Lezcano select TIMER_OF 985e0a39d0SAlexander Kochetkov select CLKSRC_MMIO 9940ada2aaSDaniel Lezcano help 10006293463SRandy Dunlap Enables the support for the Rockchip timer driver. 101468b8c4cSDaniel Lezcano 1026fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 1039519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 1049519e80cSDaniel Lezcano depends on ARM 105bb0eb050SDaniel Lezcano select TIMER_OF 1062be6d9bfSArnd Bergmann select CLKSRC_MMIO 1079519e80cSDaniel Lezcano help 1089519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 1096fe9cbd1SGregory CLEMENT 110e4a6b378SCarlo Caioneconfig MESON6_TIMER 1110b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 1127b6b0a45SBeniamino Galvani select CLKSRC_MMIO 1130b7a7bb7SDaniel Lezcano help 1140b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 115e4a6b378SCarlo Caione 1160c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 117c9165549SDaniel Lezcano bool "Orion timer driver" if COMPILE_TEST 118c9165549SDaniel Lezcano depends on ARM 119bb0eb050SDaniel Lezcano select TIMER_OF 1200c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 121c9165549SDaniel Lezcano help 122c9165549SDaniel Lezcano Enables the support for the Orion timer driver 1230c1dcfd5SSebastian Hesselbarth 1244be78a86SAndreas Färberconfig OWL_TIMER 1254be78a86SAndreas Färber bool "Owl timer driver" if COMPILE_TEST 1264be78a86SAndreas Färber select CLKSRC_MMIO 1274be78a86SAndreas Färber help 1284be78a86SAndreas Färber Enables the support for the Actions Semi Owl timer driver. 1294be78a86SAndreas Färber 1307f83a132SManivannan Sadhasivamconfig RDA_TIMER 1317f83a132SManivannan Sadhasivam bool "RDA timer driver" if COMPILE_TEST 1327f83a132SManivannan Sadhasivam select CLKSRC_MMIO 1337f83a132SManivannan Sadhasivam select TIMER_OF 1347f83a132SManivannan Sadhasivam help 1357f83a132SManivannan Sadhasivam Enables the support for the RDA Micro timer driver. 1367f83a132SManivannan Sadhasivam 137119fd635SMaxime Ripardconfig SUN4I_TIMER 138b4fcd48bSDaniel Lezcano bool "Sun4i timer driver" if COMPILE_TEST 139d7023e62SRichard Weinberger depends on HAS_IOMEM 14071c568c0SMaxime Ripard select CLKSRC_MMIO 141239751edSDaniel Lezcano select TIMER_OF 142b4fcd48bSDaniel Lezcano help 143b4fcd48bSDaniel Lezcano Enables support for the Sun4i timer. 144b2ac5d75SMaxime Ripard 14567905540SMaxime Ripardconfig SUN5I_HSTIMER 146f0c5afb7SDaniel Lezcano bool "Sun5i timer driver" if COMPILE_TEST 14767905540SMaxime Ripard select CLKSRC_MMIO 148f0c5afb7SDaniel Lezcano depends on COMMON_CLK 149f0c5afb7SDaniel Lezcano help 150f0c5afb7SDaniel Lezcano Enables support the Sun5i timer. 15167905540SMaxime Ripard 152910978e7SThierry Redingconfig TEGRA_TIMER 153adce4bc8SDaniel Lezcano bool "Tegra timer driver" if COMPILE_TEST 1542be6d9bfSArnd Bergmann select CLKSRC_MMIO 155b4822dc7SJoseph Lo select TIMER_OF 156acb4bb3fSDmitry Osipenko depends on ARCH_TEGRA || COMPILE_TEST 157adce4bc8SDaniel Lezcano help 158adce4bc8SDaniel Lezcano Enables support for the Tegra driver. 159910978e7SThierry Reding 16042cee19aSThierry Redingconfig TEGRA186_TIMER 161110a2535SDaniel Lezcano bool "NVIDIA Tegra186 timer driver" 16242cee19aSThierry Reding depends on ARCH_TEGRA || COMPILE_TEST 16342cee19aSThierry Reding depends on WATCHDOG && WATCHDOG_CORE 16442cee19aSThierry Reding help 16542cee19aSThierry Reding Enables support for the timers and watchdogs found on NVIDIA 16642cee19aSThierry Reding Tegra186 and later SoCs. 16742cee19aSThierry Reding 168ff7ec345STony Priskconfig VT8500_TIMER 169b4bdf7efSDaniel Lezcano bool "VT8500 timer driver" if COMPILE_TEST 170d7023e62SRichard Weinberger depends on HAS_IOMEM 171b4bdf7efSDaniel Lezcano help 172b4bdf7efSDaniel Lezcano Enables support for the VT8500 driver. 173ff7ec345STony Prisk 1741c00289eSTomer Maimonconfig NPCM7XX_TIMER 1751c00289eSTomer Maimon bool "NPCM7xx timer driver" if COMPILE_TEST 1761c00289eSTomer Maimon depends on HAS_IOMEM 17799834eeaSArnd Bergmann select TIMER_OF 1781c00289eSTomer Maimon select CLKSRC_MMIO 1791c00289eSTomer Maimon help 1801c00289eSTomer Maimon Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture, 18106293463SRandy Dunlap where TIMER0 serves as clockevent and TIMER1 serves as clocksource. 1821c00289eSTomer Maimon 1834f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 18457f49318SDaniel Lezcano bool "Cadence TTC timer driver" if COMPILE_TEST 18557f49318SDaniel Lezcano depends on COMMON_CLK 18657f49318SDaniel Lezcano help 18706293463SRandy Dunlap Enables support for the Cadence TTC driver. 1884f0f234fSMichal Simek 189a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 190b9755841SDaniel Lezcano bool "ASM9260 timer driver" if COMPILE_TEST 191a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 192bb0eb050SDaniel Lezcano select TIMER_OF 193b9755841SDaniel Lezcano help 194b9755841SDaniel Lezcano Enables support for the ASM9260 timer. 195a8b1b9fcSDaniel Lezcano 196694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 19770329653SDaniel Lezcano bool "Nomakdik clocksource driver" if COMPILE_TEST 19870329653SDaniel Lezcano depends on ARM 199694e33a7SLinus Walleij select CLKSRC_MMIO 200694e33a7SLinus Walleij help 201694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 202694e33a7SLinus Walleij to multiple interrupt generating programmable 203694e33a7SLinus Walleij 32-bit free running decrementing counters. 204694e33a7SLinus Walleij 205489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 2061becd6edSDaniel Lezcano bool "Clocksource PRCMU Timer" if COMPILE_TEST 207d7023e62SRichard Weinberger depends on HAS_IOMEM 208489bcceaSMattias Wallin help 20906293463SRandy Dunlap Use the always on PRCMU Timer as clocksource. 210489bcceaSMattias Wallin 211ecf0efdcSDaniel Lezcanoconfig CLPS711X_TIMER 21206293463SRandy Dunlap bool "Cirrus Logic timer driver" if COMPILE_TEST 213ecf0efdcSDaniel Lezcano select CLKSRC_MMIO 214ecf0efdcSDaniel Lezcano help 215ecf0efdcSDaniel Lezcano Enables support for the Cirrus Logic PS711 timer. 216ecf0efdcSDaniel Lezcano 217d81c50a0SDaniel Lezcanoconfig MXS_TIMER 21806293463SRandy Dunlap bool "MXS timer driver" if COMPILE_TEST 219d81c50a0SDaniel Lezcano select CLKSRC_MMIO 220d81c50a0SDaniel Lezcano select STMP_DEVICE 221d81c50a0SDaniel Lezcano help 22206293463SRandy Dunlap Enables support for the MXS timer. 223d81c50a0SDaniel Lezcano 224d683b9dcSDaniel Lezcanoconfig NSPIRE_TIMER 225d683b9dcSDaniel Lezcano bool "NSpire timer driver" if COMPILE_TEST 226d683b9dcSDaniel Lezcano select CLKSRC_MMIO 227d683b9dcSDaniel Lezcano help 228d683b9dcSDaniel Lezcano Enables support for the Nspire timer. 229d683b9dcSDaniel Lezcano 230c12547a0SDaniel Lezcanoconfig KEYSTONE_TIMER 231c12547a0SDaniel Lezcano bool "Keystone timer driver" if COMPILE_TEST 232c12547a0SDaniel Lezcano depends on ARM || ARM64 233c12547a0SDaniel Lezcano select CLKSRC_MMIO 234c12547a0SDaniel Lezcano help 235c12547a0SDaniel Lezcano Enables support for the Keystone timer. 236c12547a0SDaniel Lezcano 237568c0342SDaniel Lezcanoconfig INTEGRATOR_AP_TIMER 23806293463SRandy Dunlap bool "Integrator-AP timer driver" if COMPILE_TEST 239568c0342SDaniel Lezcano select CLKSRC_MMIO 240568c0342SDaniel Lezcano help 24106293463SRandy Dunlap Enables support for the Integrator-AP timer. 242568c0342SDaniel Lezcano 243050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 244ddcf48c7SDaniel Lezcano bool "Clocksource for LPC32XX" if COMPILE_TEST 2452f8a26c1SArnd Bergmann depends on HAS_IOMEM 2461b18fd20SEzequiel Garcia depends on ARM 247050dd322SJoachim Eastwood select CLKSRC_MMIO 248bb0eb050SDaniel Lezcano select TIMER_OF 249ddcf48c7SDaniel Lezcano help 250ddcf48c7SDaniel Lezcano Support for the LPC32XX clocksource. 251050dd322SJoachim Eastwood 25284583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 2531e4fd60bSJiaxun Yang bool "Clocksource for Pistachio SoC" 2542f8a26c1SArnd Bergmann depends on HAS_IOMEM 2551e4fd60bSJiaxun Yang depends on MIPS || COMPILE_TEST 256bb0eb050SDaniel Lezcano select TIMER_OF 257dfdb1652SDaniel Lezcano help 258dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 25984583983SEzequiel Garcia 260fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 261fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 262dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 263bb0eb050SDaniel Lezcano select TIMER_OF if OF 264fe851f56SFelipe Balbi help 265fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 266fe851f56SFelipe Balbi available on many OMAP-like platforms. 267fe851f56SFelipe Balbi 268e37e4593SMaxime Coquelinconfig CLKSRC_STM32 2691cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 2701cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 271e37e4593SMaxime Coquelin select CLKSRC_MMIO 272d04af490SBenjamin Gaignard select TIMER_OF 273e37e4593SMaxime Coquelin 27448b41c5eSBenjamin Gaignardconfig CLKSRC_STM32_LP 27548b41c5eSBenjamin Gaignard bool "Low power clocksource for STM32 SoCs" 27648b41c5eSBenjamin Gaignard depends on MFD_STM32_LPTIMER || COMPILE_TEST 27748b41c5eSBenjamin Gaignard 2780302637fSVladimir Murzinconfig CLKSRC_MPS2 2790302637fSVladimir Murzin bool "Clocksource for MPS2 SoCs" if COMPILE_TEST 2800302637fSVladimir Murzin depends on GENERIC_SCHED_CLOCK 2810302637fSVladimir Murzin select CLKSRC_MMIO 282bb0eb050SDaniel Lezcano select TIMER_OF 2830302637fSVladimir Murzin 284c4c9a040SVineet Guptaconfig ARC_TIMERS 285c4c9a040SVineet Gupta bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST 286bf287607SAlexey Brodkin depends on GENERIC_SCHED_CLOCK 287bb0eb050SDaniel Lezcano select TIMER_OF 288c4c9a040SVineet Gupta help 289c4c9a040SVineet Gupta These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores 290c4c9a040SVineet Gupta (ARC700 as well as ARC HS38). 29106293463SRandy Dunlap TIMER0 serves as clockevent while TIMER1 provides clocksource. 292c4c9a040SVineet Gupta 293c4c9a040SVineet Guptaconfig ARC_TIMERS_64BIT 294c4c9a040SVineet Gupta bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST 295c4c9a040SVineet Gupta depends on ARC_TIMERS 296bb0eb050SDaniel Lezcano select TIMER_OF 297c4c9a040SVineet Gupta help 29806293463SRandy Dunlap This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP). 299c4c9a040SVineet Gupta RTC is implemented inside the core, while GFRC sits outside the core in 300c4c9a040SVineet Gupta ARConnect IP block. Driver automatically picks one of them for clocksource 301c4c9a040SVineet Gupta as appropriate. 302c4c9a040SVineet Gupta 3038a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 3048a4da6e3SMark Rutland bool 305bb0eb050SDaniel Lezcano select TIMER_OF if OF 306fa1bffabSDaniel Lezcano select TIMER_ACPI if ACPI 307a2c5d4edSJames Hogan 308037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 30946fd5c6bSWill Deacon bool "Enable ARM architected timer event stream generation by default" 310037f6377SWill Deacon default y if ARM_ARCH_TIMER 31177f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 312037f6377SWill Deacon help 31346fd5c6bSWill Deacon This option enables support by default for event stream generation 31446fd5c6bSWill Deacon based on the ARM architected timer. It is used for waking up CPUs 31546fd5c6bSWill Deacon executing the wfe instruction at a frequency represented as a 31646fd5c6bSWill Deacon power-of-2 divisor of the clock rate. The behaviour can also be 31746fd5c6bSWill Deacon overridden on the command line using the 31846fd5c6bSWill Deacon clocksource.arm_arch_timer.evtstream parameter. 319037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 320037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 321037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 322037f6377SWill Deacon event is not generated. 323037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 324037f6377SWill Deacon hardware anomalies of missing events. 325037f6377SWill Deacon 32616d10ef2SDing Tianhongconfig ARM_ARCH_TIMER_OOL_WORKAROUND 32716d10ef2SDing Tianhong bool 32816d10ef2SDing Tianhong 329f6dc1576SScott Woodconfig FSL_ERRATUM_A008585 330f6dc1576SScott Wood bool "Workaround for Freescale/NXP Erratum A-008585" 331f6dc1576SScott Wood default y 332f6dc1576SScott Wood depends on ARM_ARCH_TIMER && ARM64 33316d10ef2SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 334f6dc1576SScott Wood help 335f6dc1576SScott Wood This option enables a workaround for Freescale/NXP Erratum 336f6dc1576SScott Wood A-008585 ("ARM generic timer may contain an erroneous 337f6dc1576SScott Wood value"). The workaround will only be active if the 338f6dc1576SScott Wood fsl,erratum-a008585 property is found in the timer node. 339f6dc1576SScott Wood 340bb42ca47SDing Tianhongconfig HISILICON_ERRATUM_161010101 341bb42ca47SDing Tianhong bool "Workaround for Hisilicon Erratum 161010101" 342bb42ca47SDing Tianhong default y 343bb42ca47SDing Tianhong select ARM_ARCH_TIMER_OOL_WORKAROUND 344bb42ca47SDing Tianhong depends on ARM_ARCH_TIMER && ARM64 345bb42ca47SDing Tianhong help 346bb42ca47SDing Tianhong This option enables a workaround for Hisilicon Erratum 347bb42ca47SDing Tianhong 161010101. The workaround will be active if the hisilicon,erratum-161010101 348bb42ca47SDing Tianhong property is found in the timer node. 349bb42ca47SDing Tianhong 350fa8d815fSMarc Zyngierconfig ARM64_ERRATUM_858921 351fa8d815fSMarc Zyngier bool "Workaround for Cortex-A73 erratum 858921" 352fa8d815fSMarc Zyngier default y 353fa8d815fSMarc Zyngier select ARM_ARCH_TIMER_OOL_WORKAROUND 354fa8d815fSMarc Zyngier depends on ARM_ARCH_TIMER && ARM64 355fa8d815fSMarc Zyngier help 356fa8d815fSMarc Zyngier This option enables a workaround applicable to Cortex-A73 357fa8d815fSMarc Zyngier (all versions), whose counter may return incorrect values. 358fa8d815fSMarc Zyngier The workaround will be dynamically enabled when an affected 359fa8d815fSMarc Zyngier core is detected. 360fa8d815fSMarc Zyngier 361c950ca8cSSamuel Hollandconfig SUN50I_ERRATUM_UNKNOWN1 362c950ca8cSSamuel Holland bool "Workaround for Allwinner A64 erratum UNKNOWN1" 363c950ca8cSSamuel Holland default y 364c950ca8cSSamuel Holland depends on ARM_ARCH_TIMER && ARM64 && ARCH_SUNXI 365c950ca8cSSamuel Holland select ARM_ARCH_TIMER_OOL_WORKAROUND 366c950ca8cSSamuel Holland help 367c950ca8cSSamuel Holland This option enables a workaround for instability in the timer on 368c950ca8cSSamuel Holland the Allwinner A64 SoC. The workaround will only be active if the 369c950ca8cSSamuel Holland allwinner,erratum-unknown1 property is found in the timer node. 370c950ca8cSSamuel Holland 371c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 37267a87a43SDaniel Lezcano bool "Support for the ARM global timer" if COMPILE_TEST 373bb0eb050SDaniel Lezcano select TIMER_OF if OF 37467a87a43SDaniel Lezcano depends on ARM 375c1b40e44SStuart Menefy help 37606293463SRandy Dunlap This option enables support for the ARM global timer unit. 377c1b40e44SStuart Menefy 378171b45a4SAndrea Merelloconfig ARM_GT_INITIAL_PRESCALER_VAL 379171b45a4SAndrea Merello int "ARM global timer initial prescaler value" 38068e2215eSAndrea Merello default 2 if ARCH_ZYNQ 381171b45a4SAndrea Merello default 1 382171b45a4SAndrea Merello depends on ARM_GLOBAL_TIMER 383171b45a4SAndrea Merello help 384171b45a4SAndrea Merello When the ARM global timer initializes, its current rate is declared 3856f6f3e31SRandy Dunlap to the kernel and maintained forever. Should its parent clock 386171b45a4SAndrea Merello change, the driver tries to fix the timer's internal prescaler. 387171b45a4SAndrea Merello On some machs (i.e. Zynq) the initial prescaler value thus poses 388171b45a4SAndrea Merello bounds about how much the parent clock is allowed to decrease or 389171b45a4SAndrea Merello increase wrt the initial clock value. 390171b45a4SAndrea Merello This affects CPU_FREQ max delta from the initial frequency. 391171b45a4SAndrea Merello 3920b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 393dfc82faaSDavid Abdurachmanov bool "Support for Dual Timer SP804 module" if COMPILE_TEST 3942f4574ddSArnd Bergmann depends on GENERIC_SCHED_CLOCK && HAVE_CLK 3950b7402dcSSudeep Holla select CLKSRC_MMIO 396bb0eb050SDaniel Lezcano select TIMER_OF if OF 3970b7402dcSSudeep Holla 398c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 399c1b40e44SStuart Menefy bool 400c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 401c1b40e44SStuart Menefy default y 402c1b40e44SStuart Menefy help 40306293463SRandy Dunlap Use ARM global timer clock source as sched_clock. 404c1b40e44SStuart Menefy 4054958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 406e2146d86SDaniel Lezcano bool "Support for the ARMv7M system time" if COMPILE_TEST 407bb0eb050SDaniel Lezcano select TIMER_OF if OF 4084958ebb3SMaxime Coquelin select CLKSRC_MMIO 4094958ebb3SMaxime Coquelin help 41006293463SRandy Dunlap This option enables support for the ARMv7M system timer unit. 4114958ebb3SMaxime Coquelin 412b052ff30SMaxime Ripardconfig ATMEL_PIT 4132f982703SAlexandre Belloni bool "Atmel PIT support" if COMPILE_TEST 4142f982703SAlexandre Belloni depends on HAS_IOMEM 415bb0eb050SDaniel Lezcano select TIMER_OF if OF 4162f982703SAlexandre Belloni help 4172f982703SAlexandre Belloni Support for the Periodic Interval Timer found on Atmel SoCs. 418b052ff30SMaxime Ripard 419b53cdd03SAlexandre Belloniconfig ATMEL_ST 420b988d3f0SDaniel Lezcano bool "Atmel ST timer support" if COMPILE_TEST 421bd2746f0SMasahiro Yamada depends on HAS_IOMEM 422bb0eb050SDaniel Lezcano select TIMER_OF 4237ab7ef74SAlexandre Belloni select MFD_SYSCON 424b988d3f0SDaniel Lezcano help 425b988d3f0SDaniel Lezcano Support for the Atmel ST timer. 426b53cdd03SAlexandre Belloni 4276275f494SAlexandre Belloniconfig ATMEL_TCB_CLKSRC 4286275f494SAlexandre Belloni bool "Atmel TC Block timer driver" if COMPILE_TEST 4291ce861ceSAlexandre Belloni depends on ARM && HAS_IOMEM 4306275f494SAlexandre Belloni select TIMER_OF if OF 4316275f494SAlexandre Belloni help 4326275f494SAlexandre Belloni Support for Timer Counter Blocks on Atmel SoCs. 4336275f494SAlexandre Belloni 4346938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 43539366ef4SDaniel Lezcano bool "Exynos multi core timer driver" if COMPILE_TEST 436f1a4c1f3SChanwoo Choi depends on ARM || ARM64 43755ccdab7SVincent Whitchurch depends on ARCH_ARTPEC || ARCH_EXYNOS || COMPILE_TEST 4386938d75aSThomas Abraham help 4396938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 440241a9871SArnd Bergmann 441f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 442de37b0b5SAlexandre Belloni bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST 443d7023e62SRichard Weinberger depends on HAS_IOMEM 444*1ea35b35SArnd Bergmann depends on ARCH_EXYNOS || ARCH_S3C64XX || ARCH_S5PV210 || COMPILE_TEST 445f1189989STomasz Figa help 446f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 447f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 448f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 449f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 450c1967249SJingchang Lu 4512529c3a3SXiubo Liconfig FSL_FTM_TIMER 452ef49336bSDaniel Lezcano bool "Freescale FlexTimer Module driver" if COMPILE_TEST 453d7023e62SRichard Weinberger depends on HAS_IOMEM 45403724ac3SDaniel Lezcano select CLKSRC_MMIO 4552529c3a3SXiubo Li help 4562529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 4572529c3a3SXiubo Li 458c1967249SJingchang Luconfig VF_PIT_TIMER 459c1967249SJingchang Lu bool 4602be6d9bfSArnd Bergmann select CLKSRC_MMIO 461c1967249SJingchang Lu help 46206293463SRandy Dunlap Support for Periodic Interrupt Timer on Freescale Vybrid Family SoCs. 463fd3f1270SMagnus Damm 46489355274SNeil Armstrongconfig OXNAS_RPS_TIMER 46589355274SNeil Armstrong bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST 466bb0eb050SDaniel Lezcano select TIMER_OF 46789355274SNeil Armstrong select CLKSRC_MMIO 46889355274SNeil Armstrong help 46989355274SNeil Armstrong This enables support for the Oxford Semiconductor OXNAS RPS timers. 47089355274SNeil Armstrong 471fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 472fd3f1270SMagnus Damm bool 473fd3f1270SMagnus Damm 474ecb3530dSMatthias Bruggerconfig MTK_TIMER 475fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 4762f8a26c1SArnd Bergmann depends on HAS_IOMEM 477bb0eb050SDaniel Lezcano select TIMER_OF 478ecb3530dSMatthias Brugger select CLKSRC_MMIO 479fbca9eabSDaniel Lezcano help 480fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 481ecb3530dSMatthias Brugger 482067bc914SBaolin Wangconfig SPRD_TIMER 4838a1ece26SChunyan Zhang bool "Spreadtrum timer driver" if EXPERT 484067bc914SBaolin Wang depends on HAS_IOMEM 4858a1ece26SChunyan Zhang depends on (ARCH_SPRD || COMPILE_TEST) 4868a1ece26SChunyan Zhang default ARCH_SPRD 487067bc914SBaolin Wang select TIMER_OF 488067bc914SBaolin Wang help 489067bc914SBaolin Wang Enables support for the Spreadtrum timer driver. 490067bc914SBaolin Wang 491fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 492fd3f1270SMagnus Damm bool 493fd3f1270SMagnus Damm 494fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 495fd3f1270SMagnus Damm bool 496fd3f1270SMagnus Damm 497fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 498fd3f1270SMagnus Damm bool 499fd3f1270SMagnus Damm 5009995f4f1SRich Felkerconfig CLKSRC_JCORE_PIT 5019995f4f1SRich Felker bool "J-Core PIT timer driver" if COMPILE_TEST 5029995f4f1SRich Felker depends on OF 5039995f4f1SRich Felker depends on HAS_IOMEM 5049995f4f1SRich Felker select CLKSRC_MMIO 5059995f4f1SRich Felker help 5069995f4f1SRich Felker This enables build of clocksource and clockevent driver for 5079995f4f1SRich Felker the integrated PIT in the J-Core synthesizable, open source SoC. 5089995f4f1SRich Felker 509fd3f1270SMagnus Dammconfig SH_TIMER_CMT 510fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 51111bc26feSRichard Weinberger depends on HAS_IOMEM 512fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 513fd3f1270SMagnus Damm help 514fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 515fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 516fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 517fd3f1270SMagnus Damm 518fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 519fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 52011bc26feSRichard Weinberger depends on HAS_IOMEM 521fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 522fd3f1270SMagnus Damm help 523fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 5247e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 52506293463SRandy Dunlap This hardware comes with 16-bit timer registers. 526fd3f1270SMagnus Damm 527fb6002a8SChris Brandtconfig RENESAS_OSTM 528a2807f65SBiju Das bool "Renesas OSTM timer driver" 529a2807f65SBiju Das depends on ARCH_RENESAS || COMPILE_TEST 530fb6002a8SChris Brandt select CLKSRC_MMIO 53122731423SGeert Uytterhoeven select TIMER_OF 532fb6002a8SChris Brandt help 533fb6002a8SChris Brandt Enables the support for the Renesas OSTM. 534fb6002a8SChris Brandt 535fd3f1270SMagnus Dammconfig SH_TIMER_TMU 536fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 53711bc26feSRichard Weinberger depends on HAS_IOMEM 538fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 539fd3f1270SMagnus Damm help 540fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 541fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 542fd3f1270SMagnus Damm SoCs from Renesas. 543fd3f1270SMagnus Damm 544fd3f1270SMagnus Dammconfig EM_TIMER_STI 545fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 5462f8a26c1SArnd Bergmann depends on HAS_IOMEM 547fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 548fd3f1270SMagnus Damm help 549fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 550fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 551fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 552dfc25e45SLinus Torvalds 5533f8e8ceeSKumar Galaconfig CLKSRC_QCOM 5543dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 5553dc0e9f6SDaniel Lezcano depends on ARM 556bb0eb050SDaniel Lezcano select TIMER_OF 5573dc0e9f6SDaniel Lezcano help 5583dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 5593dc0e9f6SDaniel Lezcano Qualcomm SoCs. 560220e2a8dSPawel Moll 561220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 5625cc87a4dSDaniel Lezcano bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST 56377f6c0b8SArnd Bergmann depends on GENERIC_SCHED_CLOCK 564bb0eb050SDaniel Lezcano select TIMER_OF 565bfed0edeSRob Herring default y if (ARCH_VEXPRESS || ARCH_VERSATILE) && ARM 566220e2a8dSPawel Moll help 567220e2a8dSPawel Moll This option enables clock source based on free running 568220e2a8dSPawel Moll counter available in the "System Registers" block of 569bfed0edeSRob Herring ARM Versatile and Versatile Express reference platforms. 57058394271SJean Delvare 571fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 572fa5635a2SAndrew Bresticker bool 573fa5635a2SAndrew Bresticker depends on MIPS_GIC 5747d7de1a6SSerge Semin select CLOCKSOURCE_WATCHDOG 575bb0eb050SDaniel Lezcano select TIMER_OF 576fa5635a2SAndrew Bresticker 577e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 5785ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 579d7023e62SRichard Weinberger depends on HAS_IOMEM 5805ae996cbSDaniel Lezcano select CLKSRC_MMIO 581e074ff86SDmitry Eremin-Solenikov help 582e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 583e074ff86SDmitry Eremin-Solenikov platforms. 584618b902dSYoshinori Sato 585bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 586bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 5872f4574ddSArnd Bergmann depends on (ARM || ARM64) && HAVE_CLK 588bea5af41SShawn Guo select CLKSRC_MMIO 589bea5af41SShawn Guo 590059ab7b8SDong Aishengconfig CLKSRC_IMX_TPM 591059ab7b8SDong Aisheng bool "Clocksource using i.MX TPM" if COMPILE_TEST 5922f4574ddSArnd Bergmann depends on (ARM || ARM64) && HAVE_CLK 593059ab7b8SDong Aisheng select CLKSRC_MMIO 594a6d0812aSAnson Huang select TIMER_OF 595059ab7b8SDong Aisheng help 596059ab7b8SDong Aisheng Enable this option to use IMX Timer/PWM Module (TPM) timer as 597059ab7b8SDong Aisheng clocksource. 598059ab7b8SDong Aisheng 5997117a44bSBai Pingconfig TIMER_IMX_SYS_CTR 6007117a44bSBai Ping bool "i.MX system counter timer" if COMPILE_TEST 6017117a44bSBai Ping select TIMER_OF 6027117a44bSBai Ping help 6037117a44bSBai Ping Enable this option to use i.MX system counter timer as a 6047117a44bSBai Ping clockevent. 6057117a44bSBai Ping 60670bef01cSLee Jonesconfig CLKSRC_ST_LPC 607baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 608bb0eb050SDaniel Lezcano select TIMER_OF if OF 609863ee050SRichard Weinberger depends on HAS_IOMEM 6102be6d9bfSArnd Bergmann select CLKSRC_MMIO 61170bef01cSLee Jones help 61270bef01cSLee Jones Enable this option to use the Low Power controller timer 61370bef01cSLee Jones as clocksource. 61470bef01cSLee Jones 6155184f4bfSNick Hawkinsconfig GXP_TIMER 6165184f4bfSNick Hawkins bool "GXP timer driver" if COMPILE_TEST && !ARCH_HPE 6175184f4bfSNick Hawkins default ARCH_HPE 6185184f4bfSNick Hawkins select TIMER_OF if OF 6195184f4bfSNick Hawkins help 6205184f4bfSNick Hawkins Provides a driver for the timer control found on HPE 6215184f4bfSNick Hawkins GXP SOCs. This is required for all GXP SOCs. 6225184f4bfSNick Hawkins 62362b01943SPalmer Dabbeltconfig RISCV_TIMER 6242bc3fc87SAnup Patel bool "Timer for the RISC-V platform" if COMPILE_TEST 625ab310544SKefeng Wang depends on GENERIC_SCHED_CLOCK && RISCV && RISCV_SBI 62662b01943SPalmer Dabbelt select TIMER_PROBE 62762b01943SPalmer Dabbelt select TIMER_OF 62862b01943SPalmer Dabbelt help 62962b01943SPalmer Dabbelt This enables the per-hart timer built into all RISC-V systems, which 63062b01943SPalmer Dabbelt is accessed via both the SBI and the rdcycle instruction. This is 63162b01943SPalmer Dabbelt required for all RISC-V systems. 63262b01943SPalmer Dabbelt 6332ac6795fSAnup Patelconfig CLINT_TIMER 6342ac6795fSAnup Patel bool "CLINT Timer for the RISC-V platform" if COMPILE_TEST 6352ac6795fSAnup Patel depends on GENERIC_SCHED_CLOCK && RISCV 6362ac6795fSAnup Patel select TIMER_PROBE 6372ac6795fSAnup Patel select TIMER_OF 6382ac6795fSAnup Patel help 6392ac6795fSAnup Patel This option enables the CLINT timer for RISC-V systems. The CLINT 6402ac6795fSAnup Patel driver is usually used for NoMMU RISC-V systems. 6412ac6795fSAnup Patel 642a7ad38b0SGuo Renconfig CSKY_MP_TIMER 643a7ad38b0SGuo Ren bool "SMP Timer for the C-SKY platform" if COMPILE_TEST 644a7ad38b0SGuo Ren depends on CSKY 645a7ad38b0SGuo Ren select TIMER_OF 646a7ad38b0SGuo Ren help 647a7ad38b0SGuo Ren Say yes here to enable C-SKY SMP timer driver used for C-SKY SMP 648a7ad38b0SGuo Ren system. 64906293463SRandy Dunlap csky,mptimer is not only used in SMP system, it also could be used in 65006293463SRandy Dunlap single core system. It's not a mmio reg and it uses mtcr/mfcr instruction. 651a7ad38b0SGuo Ren 65233745c3cSGuo Renconfig GX6605S_TIMER 65333745c3cSGuo Ren bool "Gx6605s SOC system timer driver" if COMPILE_TEST 65433745c3cSGuo Ren depends on CSKY 65533745c3cSGuo Ren select CLKSRC_MMIO 65633745c3cSGuo Ren select TIMER_OF 65733745c3cSGuo Ren help 65833745c3cSGuo Ren This option enables support for gx6605s SOC's timer. 65933745c3cSGuo Ren 660b58f28f3SSugaya Taichiconfig MILBEAUT_TIMER 661b58f28f3SSugaya Taichi bool "Milbeaut timer driver" if COMPILE_TEST 662b58f28f3SSugaya Taichi depends on OF 663b58f28f3SSugaya Taichi depends on ARM 664b58f28f3SSugaya Taichi select TIMER_OF 665b58f28f3SSugaya Taichi select CLKSRC_MMIO 666b58f28f3SSugaya Taichi help 667b58f28f3SSugaya Taichi Enables the support for Milbeaut timer driver. 668b58f28f3SSugaya Taichi 6695fc1f93fSRomain Perierconfig MSC313E_TIMER 6705fc1f93fSRomain Perier bool "MSC313E timer driver" if COMPILE_TEST 6715fc1f93fSRomain Perier select TIMER_OF 6725fc1f93fSRomain Perier select CLKSRC_MMIO 6735fc1f93fSRomain Perier help 6745fc1f93fSRomain Perier Enables support for the MStar MSC313E timer driver. 6755fc1f93fSRomain Perier This provides access to multiple interrupt generating 6765fc1f93fSRomain Perier programmable 32-bit free running incrementing counters. 6775fc1f93fSRomain Perier 67834e93683SPaul Cercueilconfig INGENIC_TIMER 67934e93683SPaul Cercueil bool "Clocksource/timer using the TCU in Ingenic JZ SoCs" 68034e93683SPaul Cercueil default MACH_INGENIC 68134e93683SPaul Cercueil depends on MIPS || COMPILE_TEST 68234e93683SPaul Cercueil depends on COMMON_CLK 68334e93683SPaul Cercueil select MFD_SYSCON 68434e93683SPaul Cercueil select TIMER_OF 68534e93683SPaul Cercueil select IRQ_DOMAIN 68634e93683SPaul Cercueil help 68734e93683SPaul Cercueil Support for the timer/counter unit of the Ingenic JZ SoCs. 68834e93683SPaul Cercueil 6895ecafc12S周琰杰 (Zhou Yanjie)config INGENIC_SYSOST 6905ecafc12S周琰杰 (Zhou Yanjie) bool "Clocksource/timer using the SYSOST in Ingenic X SoCs" 6915ecafc12S周琰杰 (Zhou Yanjie) depends on MIPS || COMPILE_TEST 6925ecafc12S周琰杰 (Zhou Yanjie) depends on COMMON_CLK 6935ecafc12S周琰杰 (Zhou Yanjie) select MFD_SYSCON 6945ecafc12S周琰杰 (Zhou Yanjie) select TIMER_OF 6955ecafc12S周琰杰 (Zhou Yanjie) select IRQ_DOMAIN 6965ecafc12S周琰杰 (Zhou Yanjie) help 6975ecafc12S周琰杰 (Zhou Yanjie) Support for the SYSOST of the Ingenic X Series SoCs. 6985ecafc12S周琰杰 (Zhou Yanjie) 699ca7b72b5SMaarten ter Huurneconfig INGENIC_OST 7005ecafc12S周琰杰 (Zhou Yanjie) bool "Clocksource using the OST in Ingenic JZ SoCs" 701ca7b72b5SMaarten ter Huurne depends on MIPS || COMPILE_TEST 702ca7b72b5SMaarten ter Huurne depends on COMMON_CLK 703ca7b72b5SMaarten ter Huurne select MFD_SYSCON 704ca7b72b5SMaarten ter Huurne help 705ca7b72b5SMaarten ter Huurne Support for the Operating System Timer of the Ingenic JZ SoCs. 706ca7b72b5SMaarten ter Huurne 707625022a5SClaudiu Bezneaconfig MICROCHIP_PIT64B 708625022a5SClaudiu Beznea bool "Microchip PIT64B support" 709625022a5SClaudiu Beznea depends on OF || COMPILE_TEST 71025259f7aSMichael Ellerman select TIMER_OF 711625022a5SClaudiu Beznea help 712625022a5SClaudiu Beznea This option enables Microchip PIT64B timer for Atmel 713625022a5SClaudiu Beznea based system. It supports the oneshot, the periodic 714625022a5SClaudiu Beznea modes and high resolution. It is used as a clocksource 715625022a5SClaudiu Beznea and a clockevent. 716625022a5SClaudiu Beznea 717c92e7ef1SLaurent Vivierconfig GOLDFISH_TIMER 718c92e7ef1SLaurent Vivier bool "Clocksource using goldfish-rtc" 719c92e7ef1SLaurent Vivier depends on M68K || COMPILE_TEST 720c92e7ef1SLaurent Vivier depends on RTC_DRV_GOLDFISH 721c92e7ef1SLaurent Vivier help 722c92e7ef1SLaurent Vivier Support for the timer/counter of goldfish-rtc 723c92e7ef1SLaurent Vivier 72458394271SJean Delvareendmenu 725