158394271SJean Delvaremenu "Clock Source drivers" 23da6d49eSArnd Bergmann depends on !ARCH_USES_GETTIMEOFFSET 358394271SJean Delvare 4ae278a93SStephen Warrenconfig CLKSRC_OF 5ae278a93SStephen Warren bool 6aad83b15SMarc Zyngier select CLKSRC_PROBE 7aad83b15SMarc Zyngier 8aad83b15SMarc Zyngierconfig CLKSRC_ACPI 9aad83b15SMarc Zyngier bool 10aad83b15SMarc Zyngier select CLKSRC_PROBE 11aad83b15SMarc Zyngier 12aad83b15SMarc Zyngierconfig CLKSRC_PROBE 13aad83b15SMarc Zyngier bool 14ae278a93SStephen Warren 1589c0b8e2SRussell Kingconfig CLKSRC_I8253 1689c0b8e2SRussell King bool 17442c8176SRussell King 18e6220bdcSThomas Gleixnerconfig CLKEVT_I8253 19e6220bdcSThomas Gleixner bool 20e6220bdcSThomas Gleixner 2115f304b6SRalf Baechleconfig I8253_LOCK 2215f304b6SRalf Baechle bool 2315f304b6SRalf Baechle 2415f304b6SRalf Baechleconfig CLKBLD_I8253 25e6220bdcSThomas Gleixner def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK 2615f304b6SRalf Baechle 27442c8176SRussell Kingconfig CLKSRC_MMIO 28442c8176SRussell King bool 2906c3df49SJamie Iles 309b8bb773SBaruch Siachconfig DIGICOLOR_TIMER 31e6c1db13SDaniel Lezcano bool "Digicolor timer driver" if COMPILE_TEST 32e6c1db13SDaniel Lezcano help 33e6c1db13SDaniel Lezcano Enables the support for the digicolor timer driver. 349b8bb773SBaruch Siach 3506c3df49SJamie Ilesconfig DW_APB_TIMER 3606c3df49SJamie Iles bool 37489bcceaSMattias Wallin 38cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 39cfda5901SDinh Nguyen bool 401b4eca0fSHeiko Stuebner select DW_APB_TIMER 4110021488SHeiko Stuebner select CLKSRC_OF 42cfda5901SDinh Nguyen 43468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 4440ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 4540ada2aaSDaniel Lezcano depends on ARM || ARM64 46468b8c4cSDaniel Lezcano select CLKSRC_OF 4740ada2aaSDaniel Lezcano help 4840ada2aaSDaniel Lezcano Enables the support for the rockchip timer driver. 49468b8c4cSDaniel Lezcano 506fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 519519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 529519e80cSDaniel Lezcano depends on ARM 537b0dd72aSJean Pihet select CLKSRC_OF 549519e80cSDaniel Lezcano help 559519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 566fe9cbd1SGregory CLEMENT 57e4a6b378SCarlo Caioneconfig MESON6_TIMER 580b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 597b6b0a45SBeniamino Galvani select CLKSRC_MMIO 600b7a7bb7SDaniel Lezcano help 610b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 62e4a6b378SCarlo Caione 630c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 64c9165549SDaniel Lezcano bool "Orion timer driver" if COMPILE_TEST 65c9165549SDaniel Lezcano depends on ARM 660c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 670c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 68c9165549SDaniel Lezcano help 69c9165549SDaniel Lezcano Enables the support for the Orion timer driver 700c1dcfd5SSebastian Hesselbarth 71119fd635SMaxime Ripardconfig SUN4I_TIMER 7271c568c0SMaxime Ripard select CLKSRC_MMIO 73b2ac5d75SMaxime Ripard bool 74b2ac5d75SMaxime Ripard 7567905540SMaxime Ripardconfig SUN5I_HSTIMER 7667905540SMaxime Ripard select CLKSRC_MMIO 7767905540SMaxime Ripard bool 7867905540SMaxime Ripard 79910978e7SThierry Redingconfig TEGRA_TIMER 80910978e7SThierry Reding bool 81910978e7SThierry Reding 82ff7ec345STony Priskconfig VT8500_TIMER 83ff7ec345STony Prisk bool 84ff7ec345STony Prisk 854f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 864f0f234fSMichal Simek bool 874f0f234fSMichal Simek 88a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 89a8b1b9fcSDaniel Lezcano bool 90a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 91a8b1b9fcSDaniel Lezcano select CLKSRC_OF 92a8b1b9fcSDaniel Lezcano 93694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 94694e33a7SLinus Walleij bool 95694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 96694e33a7SLinus Walleij select CLKSRC_MMIO 97694e33a7SLinus Walleij help 98694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 99694e33a7SLinus Walleij to multiple interrupt generating programmable 100694e33a7SLinus Walleij 32-bit free running decrementing counters. 101694e33a7SLinus Walleij 102694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 103694e33a7SLinus Walleij bool 104694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 105694e33a7SLinus Walleij help 106694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 107694e33a7SLinus Walleij 108489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 109489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 11029746f48SLinus Walleij depends on UX500_SOC_DB8500 111489bcceaSMattias Wallin default y 112489bcceaSMattias Wallin help 113489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 114489bcceaSMattias Wallin 115489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 116489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 117694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 118489bcceaSMattias Wallin default y 119489bcceaSMattias Wallin help 120489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 121985c0679SMarc Zyngier 1229c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 1239c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 1249c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 12509ca2757SAxel Lin select CLKSRC_MMIO 1269c9b7818SUwe Kleine-König default ARCH_EFM32 1279c9b7818SUwe Kleine-König help 1289c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 1299c9b7818SUwe Kleine-König event device. 1309c9b7818SUwe Kleine-König 131050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 132050dd322SJoachim Eastwood bool 133050dd322SJoachim Eastwood select CLKSRC_MMIO 134050dd322SJoachim Eastwood select CLKSRC_OF 135050dd322SJoachim Eastwood 13684583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 137dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 13884583983SEzequiel Garcia select CLKSRC_OF 139dfdb1652SDaniel Lezcano help 140dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 14184583983SEzequiel Garcia 142fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 143fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 144dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 145fe851f56SFelipe Balbi select CLKSRC_OF if OF 146fe851f56SFelipe Balbi help 147fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 148fe851f56SFelipe Balbi available on many OMAP-like platforms. 149fe851f56SFelipe Balbi 150e37e4593SMaxime Coquelinconfig CLKSRC_STM32 1511cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 1521cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 153e37e4593SMaxime Coquelin select CLKSRC_MMIO 154e37e4593SMaxime Coquelin 1558a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 1568a4da6e3SMark Rutland bool 1570583fe47SRob Herring select CLKSRC_OF if OF 158ae281cbdSMarc Zyngier select CLKSRC_ACPI if ACPI 159a2c5d4edSJames Hogan 160037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 161037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 162037f6377SWill Deacon default y if ARM_ARCH_TIMER 16377f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 164037f6377SWill Deacon help 165037f6377SWill Deacon This option enables support for event stream generation based on 166037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 167037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 168037f6377SWill Deacon divisor of the clock rate. 169037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 170037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 171037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 172037f6377SWill Deacon event is not generated. 173037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 174037f6377SWill Deacon hardware anomalies of missing events. 175037f6377SWill Deacon 176c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 177c1b40e44SStuart Menefy bool 178c1b40e44SStuart Menefy select CLKSRC_OF if OF 179c1b40e44SStuart Menefy help 180c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 181c1b40e44SStuart Menefy 1820b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 1830b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 184002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 1850b7402dcSSudeep Holla select CLKSRC_MMIO 1860b7402dcSSudeep Holla select CLKSRC_OF if OF 1870b7402dcSSudeep Holla 188c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 189c1b40e44SStuart Menefy bool 190c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 191c1b40e44SStuart Menefy default y 192c1b40e44SStuart Menefy help 193c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 194c1b40e44SStuart Menefy 1954958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 1964958ebb3SMaxime Coquelin bool 1974958ebb3SMaxime Coquelin select CLKSRC_OF if OF 1984958ebb3SMaxime Coquelin select CLKSRC_MMIO 1994958ebb3SMaxime Coquelin help 2004958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 2014958ebb3SMaxime Coquelin 202b052ff30SMaxime Ripardconfig ATMEL_PIT 203b052ff30SMaxime Ripard select CLKSRC_OF if OF 204b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 205b052ff30SMaxime Ripard 206b53cdd03SAlexandre Belloniconfig ATMEL_ST 207b53cdd03SAlexandre Belloni bool 208b53cdd03SAlexandre Belloni select CLKSRC_OF 2097ab7ef74SAlexandre Belloni select MFD_SYSCON 210b53cdd03SAlexandre Belloni 211a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 212a2c5d4edSJames Hogan def_bool y if METAG 213a2c5d4edSJames Hogan help 214a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 2156938d75aSThomas Abraham 2166938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 2176938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 2183252a646SDoug Anderson depends on !ARM64 2196938d75aSThomas Abraham help 2206938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 221241a9871SArnd Bergmann 222f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 22377d84434STomasz Figa bool 224f1189989STomasz Figa help 225f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 226f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 227f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 228f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 229c1967249SJingchang Lu 2302529c3a3SXiubo Liconfig FSL_FTM_TIMER 2312529c3a3SXiubo Li bool 2322529c3a3SXiubo Li help 2332529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 2342529c3a3SXiubo Li 235c1967249SJingchang Luconfig VF_PIT_TIMER 236c1967249SJingchang Lu bool 237c1967249SJingchang Lu help 238c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 239fd3f1270SMagnus Damm 240fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 241fd3f1270SMagnus Damm bool 242fd3f1270SMagnus Damm 243ecb3530dSMatthias Bruggerconfig MTK_TIMER 244fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 245ecb3530dSMatthias Brugger select CLKSRC_OF 246ecb3530dSMatthias Brugger select CLKSRC_MMIO 247fbca9eabSDaniel Lezcano help 248fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 249ecb3530dSMatthias Brugger 250fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 251fd3f1270SMagnus Damm bool 252fd3f1270SMagnus Damm 253fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 254fd3f1270SMagnus Damm bool 255fd3f1270SMagnus Damm 256fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 257fd3f1270SMagnus Damm bool 258fd3f1270SMagnus Damm 259fd3f1270SMagnus Dammconfig SH_TIMER_CMT 260fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 26187291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 26211bc26feSRichard Weinberger depends on HAS_IOMEM 263fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 264fd3f1270SMagnus Damm help 265fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 266fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 267fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 268fd3f1270SMagnus Damm 269fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 270fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 27187291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 27211bc26feSRichard Weinberger depends on HAS_IOMEM 273fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 274fd3f1270SMagnus Damm help 275fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 2767e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 277fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 278fd3f1270SMagnus Damm 279fd3f1270SMagnus Dammconfig SH_TIMER_TMU 280fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 28187291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 28211bc26feSRichard Weinberger depends on HAS_IOMEM 283fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 284fd3f1270SMagnus Damm help 285fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 286fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 287fd3f1270SMagnus Damm SoCs from Renesas. 288fd3f1270SMagnus Damm 289fd3f1270SMagnus Dammconfig EM_TIMER_STI 290fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 29140c96312SChen Gang depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 292fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 293fd3f1270SMagnus Damm help 294fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 295fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 296fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 297dfc25e45SLinus Torvalds 2983f8e8ceeSKumar Galaconfig CLKSRC_QCOM 2993dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 3003dc0e9f6SDaniel Lezcano depends on ARM 3013dc0e9f6SDaniel Lezcano select CLKSRC_OF 3023dc0e9f6SDaniel Lezcano help 3033dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 3043dc0e9f6SDaniel Lezcano Qualcomm SoCs. 305220e2a8dSPawel Moll 306220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 307220e2a8dSPawel Moll bool "ARM Versatile (Express) reference platforms clock source" 308ff37015bSDeng-Cheng Zhu depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 309220e2a8dSPawel Moll select CLKSRC_OF 310220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 311220e2a8dSPawel Moll help 312220e2a8dSPawel Moll This option enables clock source based on free running 313220e2a8dSPawel Moll counter available in the "System Registers" block of 314220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 315220e2a8dSPawel Moll platforms. 31658394271SJean Delvare 317fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 318fa5635a2SAndrew Bresticker bool 319fa5635a2SAndrew Bresticker depends on MIPS_GIC 320e12aa828SAndrew Bresticker select CLKSRC_OF 321fa5635a2SAndrew Bresticker 322ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 3235a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 3245a7351f0SDaniel Lezcano depends on ARM 325ccd63ce4SMarc Gonzalez select CLKSRC_OF 3265a7351f0SDaniel Lezcano help 3275a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 328ccd63ce4SMarc Gonzalez 329e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 3305ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 3315ae996cbSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 3325ae996cbSDaniel Lezcano select CLKSRC_MMIO 333e074ff86SDmitry Eremin-Solenikov help 334e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 335e074ff86SDmitry Eremin-Solenikov platforms. 336618b902dSYoshinori Sato 337618b902dSYoshinori Satoconfig H8300_TMR16 338618b902dSYoshinori Sato bool 339618b902dSYoshinori Sato 340618b902dSYoshinori Satoconfig H8300_TPU 341618b902dSYoshinori Sato bool 342618b902dSYoshinori Sato 343bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 344bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 345bea5af41SShawn Guo depends on ARM && CLKDEV_LOOKUP 346bea5af41SShawn Guo select CLKSRC_MMIO 347bea5af41SShawn Guo 34870bef01cSLee Jonesconfig CLKSRC_ST_LPC 349baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 35070bef01cSLee Jones select CLKSRC_OF if OF 35170bef01cSLee Jones help 35270bef01cSLee Jones Enable this option to use the Low Power controller timer 35370bef01cSLee Jones as clocksource. 35470bef01cSLee Jones 35558394271SJean Delvareendmenu 356