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 319b8bb773SBaruch Siach bool 329b8bb773SBaruch Siach 3306c3df49SJamie Ilesconfig DW_APB_TIMER 3406c3df49SJamie Iles bool 35489bcceaSMattias Wallin 36cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 37cfda5901SDinh Nguyen bool 381b4eca0fSHeiko Stuebner select DW_APB_TIMER 3910021488SHeiko Stuebner select CLKSRC_OF 40cfda5901SDinh Nguyen 41468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 4240ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 4340ada2aaSDaniel Lezcano depends on ARM || ARM64 44468b8c4cSDaniel Lezcano select CLKSRC_OF 4540ada2aaSDaniel Lezcano help 4640ada2aaSDaniel Lezcano Enables the support for the rockchip timer driver. 47468b8c4cSDaniel Lezcano 486fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 499519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 509519e80cSDaniel Lezcano depends on ARM 517b0dd72aSJean Pihet select CLKSRC_OF 529519e80cSDaniel Lezcano help 539519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 546fe9cbd1SGregory CLEMENT 55e4a6b378SCarlo Caioneconfig MESON6_TIMER 560b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 577b6b0a45SBeniamino Galvani select CLKSRC_MMIO 580b7a7bb7SDaniel Lezcano help 590b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 60e4a6b378SCarlo Caione 610c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 620c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 630c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 640c1dcfd5SSebastian Hesselbarth bool 650c1dcfd5SSebastian Hesselbarth 66119fd635SMaxime Ripardconfig SUN4I_TIMER 6771c568c0SMaxime Ripard select CLKSRC_MMIO 68b2ac5d75SMaxime Ripard bool 69b2ac5d75SMaxime Ripard 7067905540SMaxime Ripardconfig SUN5I_HSTIMER 7167905540SMaxime Ripard select CLKSRC_MMIO 7267905540SMaxime Ripard bool 7367905540SMaxime Ripard 74910978e7SThierry Redingconfig TEGRA_TIMER 75910978e7SThierry Reding bool 76910978e7SThierry Reding 77ff7ec345STony Priskconfig VT8500_TIMER 78ff7ec345STony Prisk bool 79ff7ec345STony Prisk 804f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 814f0f234fSMichal Simek bool 824f0f234fSMichal Simek 83a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 84a8b1b9fcSDaniel Lezcano bool 85a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 86a8b1b9fcSDaniel Lezcano select CLKSRC_OF 87a8b1b9fcSDaniel Lezcano 88694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 89694e33a7SLinus Walleij bool 90694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 91694e33a7SLinus Walleij select CLKSRC_MMIO 92694e33a7SLinus Walleij help 93694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 94694e33a7SLinus Walleij to multiple interrupt generating programmable 95694e33a7SLinus Walleij 32-bit free running decrementing counters. 96694e33a7SLinus Walleij 97694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 98694e33a7SLinus Walleij bool 99694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 100694e33a7SLinus Walleij help 101694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 102694e33a7SLinus Walleij 103489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 104489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 10529746f48SLinus Walleij depends on UX500_SOC_DB8500 106489bcceaSMattias Wallin default y 107489bcceaSMattias Wallin help 108489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 109489bcceaSMattias Wallin 110489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 111489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 112694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 113489bcceaSMattias Wallin default y 114489bcceaSMattias Wallin help 115489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 116985c0679SMarc Zyngier 1179c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 1189c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 1199c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 12009ca2757SAxel Lin select CLKSRC_MMIO 1219c9b7818SUwe Kleine-König default ARCH_EFM32 1229c9b7818SUwe Kleine-König help 1239c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 1249c9b7818SUwe Kleine-König event device. 1259c9b7818SUwe Kleine-König 126050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 127050dd322SJoachim Eastwood bool 128050dd322SJoachim Eastwood select CLKSRC_MMIO 129050dd322SJoachim Eastwood select CLKSRC_OF 130050dd322SJoachim Eastwood 13184583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 132dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 13384583983SEzequiel Garcia select CLKSRC_OF 134dfdb1652SDaniel Lezcano help 135dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 13684583983SEzequiel Garcia 137fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 138fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 139dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 140fe851f56SFelipe Balbi select CLKSRC_OF if OF 141fe851f56SFelipe Balbi help 142fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 143fe851f56SFelipe Balbi available on many OMAP-like platforms. 144fe851f56SFelipe Balbi 145e37e4593SMaxime Coquelinconfig CLKSRC_STM32 1461cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 1471cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 148e37e4593SMaxime Coquelin select CLKSRC_MMIO 149e37e4593SMaxime Coquelin 1508a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 1518a4da6e3SMark Rutland bool 1520583fe47SRob Herring select CLKSRC_OF if OF 153ae281cbdSMarc Zyngier select CLKSRC_ACPI if ACPI 154a2c5d4edSJames Hogan 155037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 156037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 157037f6377SWill Deacon default y if ARM_ARCH_TIMER 15877f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 159037f6377SWill Deacon help 160037f6377SWill Deacon This option enables support for event stream generation based on 161037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 162037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 163037f6377SWill Deacon divisor of the clock rate. 164037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 165037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 166037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 167037f6377SWill Deacon event is not generated. 168037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 169037f6377SWill Deacon hardware anomalies of missing events. 170037f6377SWill Deacon 171c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 172c1b40e44SStuart Menefy bool 173c1b40e44SStuart Menefy select CLKSRC_OF if OF 174c1b40e44SStuart Menefy help 175c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 176c1b40e44SStuart Menefy 1770b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 1780b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 179002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 1800b7402dcSSudeep Holla select CLKSRC_MMIO 1810b7402dcSSudeep Holla select CLKSRC_OF if OF 1820b7402dcSSudeep Holla 183c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 184c1b40e44SStuart Menefy bool 185c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 186c1b40e44SStuart Menefy default y 187c1b40e44SStuart Menefy help 188c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 189c1b40e44SStuart Menefy 1904958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 1914958ebb3SMaxime Coquelin bool 1924958ebb3SMaxime Coquelin select CLKSRC_OF if OF 1934958ebb3SMaxime Coquelin select CLKSRC_MMIO 1944958ebb3SMaxime Coquelin help 1954958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 1964958ebb3SMaxime Coquelin 197b052ff30SMaxime Ripardconfig ATMEL_PIT 198b052ff30SMaxime Ripard select CLKSRC_OF if OF 199b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 200b052ff30SMaxime Ripard 201b53cdd03SAlexandre Belloniconfig ATMEL_ST 202b53cdd03SAlexandre Belloni bool 203b53cdd03SAlexandre Belloni select CLKSRC_OF 2047ab7ef74SAlexandre Belloni select MFD_SYSCON 205b53cdd03SAlexandre Belloni 206a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 207a2c5d4edSJames Hogan def_bool y if METAG 208a2c5d4edSJames Hogan help 209a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 2106938d75aSThomas Abraham 2116938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 2126938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 2133252a646SDoug Anderson depends on !ARM64 2146938d75aSThomas Abraham help 2156938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 216241a9871SArnd Bergmann 217f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 21877d84434STomasz Figa bool 219f1189989STomasz Figa help 220f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 221f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 222f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 223f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 224c1967249SJingchang Lu 2252529c3a3SXiubo Liconfig FSL_FTM_TIMER 2262529c3a3SXiubo Li bool 2272529c3a3SXiubo Li help 2282529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 2292529c3a3SXiubo Li 230c1967249SJingchang Luconfig VF_PIT_TIMER 231c1967249SJingchang Lu bool 232c1967249SJingchang Lu help 233c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 234fd3f1270SMagnus Damm 235fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 236fd3f1270SMagnus Damm bool 237fd3f1270SMagnus Damm 238ecb3530dSMatthias Bruggerconfig MTK_TIMER 239fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 240ecb3530dSMatthias Brugger select CLKSRC_OF 241ecb3530dSMatthias Brugger select CLKSRC_MMIO 242fbca9eabSDaniel Lezcano help 243fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 244ecb3530dSMatthias Brugger 245fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 246fd3f1270SMagnus Damm bool 247fd3f1270SMagnus Damm 248fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 249fd3f1270SMagnus Damm bool 250fd3f1270SMagnus Damm 251fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 252fd3f1270SMagnus Damm bool 253fd3f1270SMagnus Damm 254fd3f1270SMagnus Dammconfig SH_TIMER_CMT 255fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 25687291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 25711bc26feSRichard Weinberger depends on HAS_IOMEM 258fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 259fd3f1270SMagnus Damm help 260fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 261fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 262fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 263fd3f1270SMagnus Damm 264fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 265fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 26687291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 26711bc26feSRichard Weinberger depends on HAS_IOMEM 268fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 269fd3f1270SMagnus Damm help 270fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 2717e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 272fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 273fd3f1270SMagnus Damm 274fd3f1270SMagnus Dammconfig SH_TIMER_TMU 275fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 27687291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 27711bc26feSRichard Weinberger depends on HAS_IOMEM 278fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 279fd3f1270SMagnus Damm help 280fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 281fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 282fd3f1270SMagnus Damm SoCs from Renesas. 283fd3f1270SMagnus Damm 284fd3f1270SMagnus Dammconfig EM_TIMER_STI 285fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 28640c96312SChen Gang depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 287fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 288fd3f1270SMagnus Damm help 289fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 290fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 291fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 292dfc25e45SLinus Torvalds 2933f8e8ceeSKumar Galaconfig CLKSRC_QCOM 2943dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 2953dc0e9f6SDaniel Lezcano depends on ARM 2963dc0e9f6SDaniel Lezcano select CLKSRC_OF 2973dc0e9f6SDaniel Lezcano help 2983dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 2993dc0e9f6SDaniel Lezcano Qualcomm SoCs. 300220e2a8dSPawel Moll 301220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 302220e2a8dSPawel Moll bool "ARM Versatile (Express) reference platforms clock source" 303ff37015bSDeng-Cheng Zhu depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 304220e2a8dSPawel Moll select CLKSRC_OF 305220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 306220e2a8dSPawel Moll help 307220e2a8dSPawel Moll This option enables clock source based on free running 308220e2a8dSPawel Moll counter available in the "System Registers" block of 309220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 310220e2a8dSPawel Moll platforms. 31158394271SJean Delvare 312fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 313fa5635a2SAndrew Bresticker bool 314fa5635a2SAndrew Bresticker depends on MIPS_GIC 315e12aa828SAndrew Bresticker select CLKSRC_OF 316fa5635a2SAndrew Bresticker 317ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 3185a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 3195a7351f0SDaniel Lezcano depends on ARM 320ccd63ce4SMarc Gonzalez select CLKSRC_OF 3215a7351f0SDaniel Lezcano help 3225a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 323ccd63ce4SMarc Gonzalez 324e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 3255ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 3265ae996cbSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 3275ae996cbSDaniel Lezcano select CLKSRC_MMIO 328e074ff86SDmitry Eremin-Solenikov help 329e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 330e074ff86SDmitry Eremin-Solenikov platforms. 331618b902dSYoshinori Sato 332618b902dSYoshinori Satoconfig H8300_TMR16 333618b902dSYoshinori Sato bool 334618b902dSYoshinori Sato 335618b902dSYoshinori Satoconfig H8300_TPU 336618b902dSYoshinori Sato bool 337618b902dSYoshinori Sato 338bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 339bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 340bea5af41SShawn Guo depends on ARM && CLKDEV_LOOKUP 341bea5af41SShawn Guo select CLKSRC_MMIO 342bea5af41SShawn Guo 34370bef01cSLee Jonesconfig CLKSRC_ST_LPC 344baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 34570bef01cSLee Jones select CLKSRC_OF if OF 34670bef01cSLee Jones help 34770bef01cSLee Jones Enable this option to use the Low Power controller timer 34870bef01cSLee Jones as clocksource. 34970bef01cSLee Jones 35058394271SJean Delvareendmenu 351