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 49*9519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 50*9519e80cSDaniel Lezcano depends on ARM 517b0dd72aSJean Pihet select CLKSRC_OF 52*9519e80cSDaniel Lezcano help 53*9519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 546fe9cbd1SGregory CLEMENT 55e4a6b378SCarlo Caioneconfig MESON6_TIMER 56e4a6b378SCarlo Caione bool 577b6b0a45SBeniamino Galvani select CLKSRC_MMIO 58e4a6b378SCarlo Caione 590c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 600c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 610c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 620c1dcfd5SSebastian Hesselbarth bool 630c1dcfd5SSebastian Hesselbarth 64119fd635SMaxime Ripardconfig SUN4I_TIMER 6571c568c0SMaxime Ripard select CLKSRC_MMIO 66b2ac5d75SMaxime Ripard bool 67b2ac5d75SMaxime Ripard 6867905540SMaxime Ripardconfig SUN5I_HSTIMER 6967905540SMaxime Ripard select CLKSRC_MMIO 7067905540SMaxime Ripard bool 7167905540SMaxime Ripard 72910978e7SThierry Redingconfig TEGRA_TIMER 73910978e7SThierry Reding bool 74910978e7SThierry Reding 75ff7ec345STony Priskconfig VT8500_TIMER 76ff7ec345STony Prisk bool 77ff7ec345STony Prisk 784f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 794f0f234fSMichal Simek bool 804f0f234fSMichal Simek 81a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 82a8b1b9fcSDaniel Lezcano bool 83a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 84a8b1b9fcSDaniel Lezcano select CLKSRC_OF 85a8b1b9fcSDaniel Lezcano 86694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 87694e33a7SLinus Walleij bool 88694e33a7SLinus Walleij depends on (ARCH_NOMADIK || ARCH_U8500) 89694e33a7SLinus Walleij select CLKSRC_MMIO 90694e33a7SLinus Walleij help 91694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 92694e33a7SLinus Walleij to multiple interrupt generating programmable 93694e33a7SLinus Walleij 32-bit free running decrementing counters. 94694e33a7SLinus Walleij 95694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 96694e33a7SLinus Walleij bool 97694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 98694e33a7SLinus Walleij help 99694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 100694e33a7SLinus Walleij 101489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 102489bcceaSMattias Wallin bool "Clocksource PRCMU Timer" 10329746f48SLinus Walleij depends on UX500_SOC_DB8500 104489bcceaSMattias Wallin default y 105489bcceaSMattias Wallin help 106489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 107489bcceaSMattias Wallin 108489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 109489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 110694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 111489bcceaSMattias Wallin default y 112489bcceaSMattias Wallin help 113489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 114985c0679SMarc Zyngier 1159c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 1169c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 1179c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 11809ca2757SAxel Lin select CLKSRC_MMIO 1199c9b7818SUwe Kleine-König default ARCH_EFM32 1209c9b7818SUwe Kleine-König help 1219c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 1229c9b7818SUwe Kleine-König event device. 1239c9b7818SUwe Kleine-König 124050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 125050dd322SJoachim Eastwood bool 126050dd322SJoachim Eastwood select CLKSRC_MMIO 127050dd322SJoachim Eastwood select CLKSRC_OF 128050dd322SJoachim Eastwood 12984583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 130dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 13184583983SEzequiel Garcia select CLKSRC_OF 132dfdb1652SDaniel Lezcano help 133dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 13484583983SEzequiel Garcia 135fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 136fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 137dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 138fe851f56SFelipe Balbi select CLKSRC_OF if OF 139fe851f56SFelipe Balbi help 140fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 141fe851f56SFelipe Balbi available on many OMAP-like platforms. 142fe851f56SFelipe Balbi 143e37e4593SMaxime Coquelinconfig CLKSRC_STM32 1441cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 1451cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 146e37e4593SMaxime Coquelin select CLKSRC_MMIO 147e37e4593SMaxime Coquelin 1488a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 1498a4da6e3SMark Rutland bool 1500583fe47SRob Herring select CLKSRC_OF if OF 151ae281cbdSMarc Zyngier select CLKSRC_ACPI if ACPI 152a2c5d4edSJames Hogan 153037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 154037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 155037f6377SWill Deacon default y if ARM_ARCH_TIMER 15677f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 157037f6377SWill Deacon help 158037f6377SWill Deacon This option enables support for event stream generation based on 159037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 160037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 161037f6377SWill Deacon divisor of the clock rate. 162037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 163037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 164037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 165037f6377SWill Deacon event is not generated. 166037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 167037f6377SWill Deacon hardware anomalies of missing events. 168037f6377SWill Deacon 169c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 170c1b40e44SStuart Menefy bool 171c1b40e44SStuart Menefy select CLKSRC_OF if OF 172c1b40e44SStuart Menefy help 173c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 174c1b40e44SStuart Menefy 1750b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 1760b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 177002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 1780b7402dcSSudeep Holla select CLKSRC_MMIO 1790b7402dcSSudeep Holla select CLKSRC_OF if OF 1800b7402dcSSudeep Holla 181c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 182c1b40e44SStuart Menefy bool 183c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 184c1b40e44SStuart Menefy default y 185c1b40e44SStuart Menefy help 186c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 187c1b40e44SStuart Menefy 1884958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 1894958ebb3SMaxime Coquelin bool 1904958ebb3SMaxime Coquelin select CLKSRC_OF if OF 1914958ebb3SMaxime Coquelin select CLKSRC_MMIO 1924958ebb3SMaxime Coquelin help 1934958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 1944958ebb3SMaxime Coquelin 195b052ff30SMaxime Ripardconfig ATMEL_PIT 196b052ff30SMaxime Ripard select CLKSRC_OF if OF 197b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 198b052ff30SMaxime Ripard 199b53cdd03SAlexandre Belloniconfig ATMEL_ST 200b53cdd03SAlexandre Belloni bool 201b53cdd03SAlexandre Belloni select CLKSRC_OF 2027ab7ef74SAlexandre Belloni select MFD_SYSCON 203b53cdd03SAlexandre Belloni 204a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 205a2c5d4edSJames Hogan def_bool y if METAG 206a2c5d4edSJames Hogan help 207a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 2086938d75aSThomas Abraham 2096938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 2106938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 2113252a646SDoug Anderson depends on !ARM64 2126938d75aSThomas Abraham help 2136938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 214241a9871SArnd Bergmann 215f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 21677d84434STomasz Figa bool 217f1189989STomasz Figa help 218f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 219f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 220f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 221f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 222c1967249SJingchang Lu 2232529c3a3SXiubo Liconfig FSL_FTM_TIMER 2242529c3a3SXiubo Li bool 2252529c3a3SXiubo Li help 2262529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 2272529c3a3SXiubo Li 228c1967249SJingchang Luconfig VF_PIT_TIMER 229c1967249SJingchang Lu bool 230c1967249SJingchang Lu help 231c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 232fd3f1270SMagnus Damm 233fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 234fd3f1270SMagnus Damm bool 235fd3f1270SMagnus Damm 236ecb3530dSMatthias Bruggerconfig MTK_TIMER 237fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 238ecb3530dSMatthias Brugger select CLKSRC_OF 239ecb3530dSMatthias Brugger select CLKSRC_MMIO 240fbca9eabSDaniel Lezcano help 241fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 242ecb3530dSMatthias Brugger 243fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 244fd3f1270SMagnus Damm bool 245fd3f1270SMagnus Damm 246fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 247fd3f1270SMagnus Damm bool 248fd3f1270SMagnus Damm 249fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 250fd3f1270SMagnus Damm bool 251fd3f1270SMagnus Damm 252fd3f1270SMagnus Dammconfig SH_TIMER_CMT 253fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 25487291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 25511bc26feSRichard Weinberger depends on HAS_IOMEM 256fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 257fd3f1270SMagnus Damm help 258fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 259fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 260fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 261fd3f1270SMagnus Damm 262fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 263fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 26487291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 26511bc26feSRichard Weinberger depends on HAS_IOMEM 266fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 267fd3f1270SMagnus Damm help 268fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 2697e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 270fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 271fd3f1270SMagnus Damm 272fd3f1270SMagnus Dammconfig SH_TIMER_TMU 273fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 27487291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 27511bc26feSRichard Weinberger depends on HAS_IOMEM 276fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 277fd3f1270SMagnus Damm help 278fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 279fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 280fd3f1270SMagnus Damm SoCs from Renesas. 281fd3f1270SMagnus Damm 282fd3f1270SMagnus Dammconfig EM_TIMER_STI 283fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 28440c96312SChen Gang depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 285fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 286fd3f1270SMagnus Damm help 287fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 288fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 289fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 290dfc25e45SLinus Torvalds 2913f8e8ceeSKumar Galaconfig CLKSRC_QCOM 2923dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 2933dc0e9f6SDaniel Lezcano depends on ARM 2943dc0e9f6SDaniel Lezcano select CLKSRC_OF 2953dc0e9f6SDaniel Lezcano help 2963dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 2973dc0e9f6SDaniel Lezcano Qualcomm SoCs. 298220e2a8dSPawel Moll 299220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 300220e2a8dSPawel Moll bool "ARM Versatile (Express) reference platforms clock source" 301ff37015bSDeng-Cheng Zhu depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 302220e2a8dSPawel Moll select CLKSRC_OF 303220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 304220e2a8dSPawel Moll help 305220e2a8dSPawel Moll This option enables clock source based on free running 306220e2a8dSPawel Moll counter available in the "System Registers" block of 307220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 308220e2a8dSPawel Moll platforms. 30958394271SJean Delvare 310fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 311fa5635a2SAndrew Bresticker bool 312fa5635a2SAndrew Bresticker depends on MIPS_GIC 313e12aa828SAndrew Bresticker select CLKSRC_OF 314fa5635a2SAndrew Bresticker 315ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 3165a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 3175a7351f0SDaniel Lezcano depends on ARM 318ccd63ce4SMarc Gonzalez select CLKSRC_OF 3195a7351f0SDaniel Lezcano help 3205a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 321ccd63ce4SMarc Gonzalez 322e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 3235ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 3245ae996cbSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 3255ae996cbSDaniel Lezcano select CLKSRC_MMIO 326e074ff86SDmitry Eremin-Solenikov help 327e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 328e074ff86SDmitry Eremin-Solenikov platforms. 329618b902dSYoshinori Sato 330618b902dSYoshinori Satoconfig H8300_TMR16 331618b902dSYoshinori Sato bool 332618b902dSYoshinori Sato 333618b902dSYoshinori Satoconfig H8300_TPU 334618b902dSYoshinori Sato bool 335618b902dSYoshinori Sato 336bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 337bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 338bea5af41SShawn Guo depends on ARM && CLKDEV_LOOKUP 339bea5af41SShawn Guo select CLKSRC_MMIO 340bea5af41SShawn Guo 34170bef01cSLee Jonesconfig CLKSRC_ST_LPC 342baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 34370bef01cSLee Jones select CLKSRC_OF if OF 34470bef01cSLee Jones help 34570bef01cSLee Jones Enable this option to use the Low Power controller timer 34670bef01cSLee Jones as clocksource. 34770bef01cSLee Jones 34858394271SJean Delvareendmenu 349