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 365b097f6bSDaniel Lezcano bool "DW APB timer driver" if COMPILE_TEST 375b097f6bSDaniel Lezcano help 385b097f6bSDaniel Lezcano Enables the support for the dw_apb timer. 39489bcceaSMattias Wallin 40cfda5901SDinh Nguyenconfig DW_APB_TIMER_OF 41cfda5901SDinh Nguyen bool 421b4eca0fSHeiko Stuebner select DW_APB_TIMER 4310021488SHeiko Stuebner select CLKSRC_OF 44cfda5901SDinh Nguyen 45468b8c4cSDaniel Lezcanoconfig ROCKCHIP_TIMER 4640ada2aaSDaniel Lezcano bool "Rockchip timer driver" if COMPILE_TEST 4740ada2aaSDaniel Lezcano depends on ARM || ARM64 48468b8c4cSDaniel Lezcano select CLKSRC_OF 4940ada2aaSDaniel Lezcano help 5040ada2aaSDaniel Lezcano Enables the support for the rockchip timer driver. 51468b8c4cSDaniel Lezcano 526fe9cbd1SGregory CLEMENTconfig ARMADA_370_XP_TIMER 539519e80cSDaniel Lezcano bool "Armada 370 and XP timer driver" if COMPILE_TEST 549519e80cSDaniel Lezcano depends on ARM 557b0dd72aSJean Pihet select CLKSRC_OF 569519e80cSDaniel Lezcano help 579519e80cSDaniel Lezcano Enables the support for the Armada 370 and XP timer driver. 586fe9cbd1SGregory CLEMENT 59e4a6b378SCarlo Caioneconfig MESON6_TIMER 600b7a7bb7SDaniel Lezcano bool "Meson6 timer driver" if COMPILE_TEST 617b6b0a45SBeniamino Galvani select CLKSRC_MMIO 620b7a7bb7SDaniel Lezcano help 630b7a7bb7SDaniel Lezcano Enables the support for the Meson6 timer driver. 64e4a6b378SCarlo Caione 650c1dcfd5SSebastian Hesselbarthconfig ORION_TIMER 66c9165549SDaniel Lezcano bool "Orion timer driver" if COMPILE_TEST 67c9165549SDaniel Lezcano depends on ARM 680c1dcfd5SSebastian Hesselbarth select CLKSRC_OF 690c1dcfd5SSebastian Hesselbarth select CLKSRC_MMIO 70c9165549SDaniel Lezcano help 71c9165549SDaniel Lezcano Enables the support for the Orion timer driver 720c1dcfd5SSebastian Hesselbarth 73119fd635SMaxime Ripardconfig SUN4I_TIMER 74b4fcd48bSDaniel Lezcano bool "Sun4i timer driver" if COMPILE_TEST 7571c568c0SMaxime Ripard select CLKSRC_MMIO 76b4fcd48bSDaniel Lezcano help 77b4fcd48bSDaniel Lezcano Enables support for the Sun4i timer. 78b2ac5d75SMaxime Ripard 7967905540SMaxime Ripardconfig SUN5I_HSTIMER 80f0c5afb7SDaniel Lezcano bool "Sun5i timer driver" if COMPILE_TEST 8167905540SMaxime Ripard select CLKSRC_MMIO 82f0c5afb7SDaniel Lezcano depends on COMMON_CLK 83f0c5afb7SDaniel Lezcano help 84f0c5afb7SDaniel Lezcano Enables support the Sun5i timer. 8567905540SMaxime Ripard 86910978e7SThierry Redingconfig TEGRA_TIMER 87adce4bc8SDaniel Lezcano bool "Tegra timer driver" if COMPILE_TEST 88adce4bc8SDaniel Lezcano depends on ARM 89adce4bc8SDaniel Lezcano help 90adce4bc8SDaniel Lezcano Enables support for the Tegra driver. 91910978e7SThierry Reding 92ff7ec345STony Priskconfig VT8500_TIMER 93b4bdf7efSDaniel Lezcano bool "VT8500 timer driver" if COMPILE_TEST 94b4bdf7efSDaniel Lezcano help 95b4bdf7efSDaniel Lezcano Enables support for the VT8500 driver. 96ff7ec345STony Prisk 974f0f234fSMichal Simekconfig CADENCE_TTC_TIMER 9857f49318SDaniel Lezcano bool "Cadence TTC timer driver" if COMPILE_TEST 9957f49318SDaniel Lezcano depends on COMMON_CLK 10057f49318SDaniel Lezcano help 10157f49318SDaniel Lezcano Enables support for the cadence ttc driver. 1024f0f234fSMichal Simek 103a8b1b9fcSDaniel Lezcanoconfig ASM9260_TIMER 104b9755841SDaniel Lezcano bool "ASM9260 timer driver" if COMPILE_TEST 105a8b1b9fcSDaniel Lezcano select CLKSRC_MMIO 106a8b1b9fcSDaniel Lezcano select CLKSRC_OF 107b9755841SDaniel Lezcano help 108b9755841SDaniel Lezcano Enables support for the ASM9260 timer. 109a8b1b9fcSDaniel Lezcano 110694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU 11170329653SDaniel Lezcano bool "Nomakdik clocksource driver" if COMPILE_TEST 11270329653SDaniel Lezcano depends on ARM 113694e33a7SLinus Walleij select CLKSRC_MMIO 114694e33a7SLinus Walleij help 115694e33a7SLinus Walleij Support for Multi Timer Unit. MTU provides access 116694e33a7SLinus Walleij to multiple interrupt generating programmable 117694e33a7SLinus Walleij 32-bit free running decrementing counters. 118694e33a7SLinus Walleij 119694e33a7SLinus Walleijconfig CLKSRC_NOMADIK_MTU_SCHED_CLOCK 120694e33a7SLinus Walleij bool 121694e33a7SLinus Walleij depends on CLKSRC_NOMADIK_MTU 122694e33a7SLinus Walleij help 123694e33a7SLinus Walleij Use the Multi Timer Unit as the sched_clock. 124694e33a7SLinus Walleij 125489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU 1261becd6edSDaniel Lezcano bool "Clocksource PRCMU Timer" if COMPILE_TEST 127489bcceaSMattias Wallin help 128489bcceaSMattias Wallin Use the always on PRCMU Timer as clocksource 129489bcceaSMattias Wallin 130489bcceaSMattias Wallinconfig CLKSRC_DBX500_PRCMU_SCHED_CLOCK 131489bcceaSMattias Wallin bool "Clocksource PRCMU Timer sched_clock" 132694e33a7SLinus Walleij depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK) 133489bcceaSMattias Wallin default y 134489bcceaSMattias Wallin help 135489bcceaSMattias Wallin Use the always on PRCMU Timer as sched_clock 136985c0679SMarc Zyngier 1379c9b7818SUwe Kleine-Königconfig CLKSRC_EFM32 1389c9b7818SUwe Kleine-König bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32 1399c9b7818SUwe Kleine-König depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST) 14009ca2757SAxel Lin select CLKSRC_MMIO 1419c9b7818SUwe Kleine-König default ARCH_EFM32 1429c9b7818SUwe Kleine-König help 1439c9b7818SUwe Kleine-König Support to use the timers of EFM32 SoCs as clock source and clock 1449c9b7818SUwe Kleine-König event device. 1459c9b7818SUwe Kleine-König 146050dd322SJoachim Eastwoodconfig CLKSRC_LPC32XX 147ddcf48c7SDaniel Lezcano bool "Clocksource for LPC32XX" if COMPILE_TEST 148050dd322SJoachim Eastwood select CLKSRC_MMIO 149050dd322SJoachim Eastwood select CLKSRC_OF 150ddcf48c7SDaniel Lezcano help 151ddcf48c7SDaniel Lezcano Support for the LPC32XX clocksource. 152050dd322SJoachim Eastwood 15384583983SEzequiel Garciaconfig CLKSRC_PISTACHIO 154dfdb1652SDaniel Lezcano bool "Clocksource for Pistachio SoC" if COMPILE_TEST 15584583983SEzequiel Garcia select CLKSRC_OF 156dfdb1652SDaniel Lezcano help 157dfdb1652SDaniel Lezcano Enables the clocksource for the Pistachio SoC. 15884583983SEzequiel Garcia 159fe851f56SFelipe Balbiconfig CLKSRC_TI_32K 160fe851f56SFelipe Balbi bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST 161dfedaf10SFelipe Balbi depends on GENERIC_SCHED_CLOCK 162fe851f56SFelipe Balbi select CLKSRC_OF if OF 163fe851f56SFelipe Balbi help 164fe851f56SFelipe Balbi This option enables support for Texas Instruments 32.768 Hz clocksource 165fe851f56SFelipe Balbi available on many OMAP-like platforms. 166fe851f56SFelipe Balbi 167e37e4593SMaxime Coquelinconfig CLKSRC_STM32 1681cb6c215SPaul Gortmaker bool "Clocksource for STM32 SoCs" if !ARCH_STM32 1691cb6c215SPaul Gortmaker depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) 170e37e4593SMaxime Coquelin select CLKSRC_MMIO 171e37e4593SMaxime Coquelin 1728a4da6e3SMark Rutlandconfig ARM_ARCH_TIMER 1738a4da6e3SMark Rutland bool 1740583fe47SRob Herring select CLKSRC_OF if OF 175ae281cbdSMarc Zyngier select CLKSRC_ACPI if ACPI 176a2c5d4edSJames Hogan 177037f6377SWill Deaconconfig ARM_ARCH_TIMER_EVTSTREAM 178037f6377SWill Deacon bool "Support for ARM architected timer event stream generation" 179037f6377SWill Deacon default y if ARM_ARCH_TIMER 18077f7ce9aSStephen Boyd depends on ARM_ARCH_TIMER 181037f6377SWill Deacon help 182037f6377SWill Deacon This option enables support for event stream generation based on 183037f6377SWill Deacon the ARM architected timer. It is used for waking up CPUs executing 184037f6377SWill Deacon the wfe instruction at a frequency represented as a power-of-2 185037f6377SWill Deacon divisor of the clock rate. 186037f6377SWill Deacon The main use of the event stream is wfe-based timeouts of userspace 187037f6377SWill Deacon locking implementations. It might also be useful for imposing timeout 188037f6377SWill Deacon on wfe to safeguard against any programming errors in case an expected 189037f6377SWill Deacon event is not generated. 190037f6377SWill Deacon This must be disabled for hardware validation purposes to detect any 191037f6377SWill Deacon hardware anomalies of missing events. 192037f6377SWill Deacon 193c1b40e44SStuart Menefyconfig ARM_GLOBAL_TIMER 194c1b40e44SStuart Menefy bool 195c1b40e44SStuart Menefy select CLKSRC_OF if OF 196c1b40e44SStuart Menefy help 197c1b40e44SStuart Menefy This options enables support for the ARM global timer unit 198c1b40e44SStuart Menefy 1990b7402dcSSudeep Hollaconfig ARM_TIMER_SP804 2000b7402dcSSudeep Holla bool "Support for Dual Timer SP804 module" 201002af195SGuenter Roeck depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP 2020b7402dcSSudeep Holla select CLKSRC_MMIO 2030b7402dcSSudeep Holla select CLKSRC_OF if OF 2040b7402dcSSudeep Holla 205c1b40e44SStuart Menefyconfig CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK 206c1b40e44SStuart Menefy bool 207c1b40e44SStuart Menefy depends on ARM_GLOBAL_TIMER 208c1b40e44SStuart Menefy default y 209c1b40e44SStuart Menefy help 210c1b40e44SStuart Menefy Use ARM global timer clock source as sched_clock 211c1b40e44SStuart Menefy 2124958ebb3SMaxime Coquelinconfig ARMV7M_SYSTICK 2134958ebb3SMaxime Coquelin bool 2144958ebb3SMaxime Coquelin select CLKSRC_OF if OF 2154958ebb3SMaxime Coquelin select CLKSRC_MMIO 2164958ebb3SMaxime Coquelin help 2174958ebb3SMaxime Coquelin This options enables support for the ARMv7M system timer unit 2184958ebb3SMaxime Coquelin 219b052ff30SMaxime Ripardconfig ATMEL_PIT 220b052ff30SMaxime Ripard select CLKSRC_OF if OF 221b052ff30SMaxime Ripard def_bool SOC_AT91SAM9 || SOC_SAMA5 222b052ff30SMaxime Ripard 223b53cdd03SAlexandre Belloniconfig ATMEL_ST 224b53cdd03SAlexandre Belloni bool 225b53cdd03SAlexandre Belloni select CLKSRC_OF 2267ab7ef74SAlexandre Belloni select MFD_SYSCON 227b53cdd03SAlexandre Belloni 228a2c5d4edSJames Hoganconfig CLKSRC_METAG_GENERIC 229a2c5d4edSJames Hogan def_bool y if METAG 230a2c5d4edSJames Hogan help 231a2c5d4edSJames Hogan This option enables support for the Meta per-thread timers. 2326938d75aSThomas Abraham 2336938d75aSThomas Abrahamconfig CLKSRC_EXYNOS_MCT 2346938d75aSThomas Abraham def_bool y if ARCH_EXYNOS 2353252a646SDoug Anderson depends on !ARM64 2366938d75aSThomas Abraham help 2376938d75aSThomas Abraham Support for Multi Core Timer controller on Exynos SoCs. 238241a9871SArnd Bergmann 239f1189989STomasz Figaconfig CLKSRC_SAMSUNG_PWM 24077d84434STomasz Figa bool 241f1189989STomasz Figa help 242f1189989STomasz Figa This is a new clocksource driver for the PWM timer found in 243f1189989STomasz Figa Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver 244f1189989STomasz Figa for all devicetree enabled platforms. This driver will be 245f1189989STomasz Figa needed only on systems that do not have the Exynos MCT available. 246c1967249SJingchang Lu 2472529c3a3SXiubo Liconfig FSL_FTM_TIMER 2482529c3a3SXiubo Li bool 2492529c3a3SXiubo Li help 2502529c3a3SXiubo Li Support for Freescale FlexTimer Module (FTM) timer. 2512529c3a3SXiubo Li 252c1967249SJingchang Luconfig VF_PIT_TIMER 253c1967249SJingchang Lu bool 254c1967249SJingchang Lu help 255c1967249SJingchang Lu Support for Period Interrupt Timer on Freescale Vybrid Family SoCs. 256fd3f1270SMagnus Damm 257fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_CMT 258fd3f1270SMagnus Damm bool 259fd3f1270SMagnus Damm 260ecb3530dSMatthias Bruggerconfig MTK_TIMER 261fbca9eabSDaniel Lezcano bool "Mediatek timer driver" if COMPILE_TEST 262ecb3530dSMatthias Brugger select CLKSRC_OF 263ecb3530dSMatthias Brugger select CLKSRC_MMIO 264fbca9eabSDaniel Lezcano help 265fbca9eabSDaniel Lezcano Support for Mediatek timer driver. 266ecb3530dSMatthias Brugger 267fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_MTU2 268fd3f1270SMagnus Damm bool 269fd3f1270SMagnus Damm 270fd3f1270SMagnus Dammconfig SYS_SUPPORTS_SH_TMU 271fd3f1270SMagnus Damm bool 272fd3f1270SMagnus Damm 273fd3f1270SMagnus Dammconfig SYS_SUPPORTS_EM_STI 274fd3f1270SMagnus Damm bool 275fd3f1270SMagnus Damm 276fd3f1270SMagnus Dammconfig SH_TIMER_CMT 277fd3f1270SMagnus Damm bool "Renesas CMT timer driver" if COMPILE_TEST 27887291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 27911bc26feSRichard Weinberger depends on HAS_IOMEM 280fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_CMT 281fd3f1270SMagnus Damm help 282fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 283fd3f1270SMagnus Damm the Compare Match Timer (CMT) hardware available in 16/32/48-bit 284fd3f1270SMagnus Damm variants on a wide range of Mobile and Automotive SoCs from Renesas. 285fd3f1270SMagnus Damm 286fd3f1270SMagnus Dammconfig SH_TIMER_MTU2 287fd3f1270SMagnus Damm bool "Renesas MTU2 timer driver" if COMPILE_TEST 28887291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 28911bc26feSRichard Weinberger depends on HAS_IOMEM 290fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_MTU2 291fd3f1270SMagnus Damm help 292fd3f1270SMagnus Damm This enables build of a clockevent driver for the Multi-Function 2937e139187SKuninori Morimoto Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas. 294fd3f1270SMagnus Damm This hardware comes with 16 bit-timer registers. 295fd3f1270SMagnus Damm 296fd3f1270SMagnus Dammconfig SH_TIMER_TMU 297fd3f1270SMagnus Damm bool "Renesas TMU timer driver" if COMPILE_TEST 29887291a92SGeert Uytterhoeven depends on GENERIC_CLOCKEVENTS 29911bc26feSRichard Weinberger depends on HAS_IOMEM 300fd3f1270SMagnus Damm default SYS_SUPPORTS_SH_TMU 301fd3f1270SMagnus Damm help 302fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 303fd3f1270SMagnus Damm the 32-bit Timer Unit (TMU) hardware available on a wide range 304fd3f1270SMagnus Damm SoCs from Renesas. 305fd3f1270SMagnus Damm 306fd3f1270SMagnus Dammconfig EM_TIMER_STI 307fd3f1270SMagnus Damm bool "Renesas STI timer driver" if COMPILE_TEST 30840c96312SChen Gang depends on GENERIC_CLOCKEVENTS && HAS_IOMEM 309fd3f1270SMagnus Damm default SYS_SUPPORTS_EM_STI 310fd3f1270SMagnus Damm help 311fd3f1270SMagnus Damm This enables build of a clocksource and clockevent driver for 312fd3f1270SMagnus Damm the 48-bit System Timer (STI) hardware available on a SoCs 313fd3f1270SMagnus Damm such as EMEV2 from former NEC Electronics. 314dfc25e45SLinus Torvalds 3153f8e8ceeSKumar Galaconfig CLKSRC_QCOM 3163dc0e9f6SDaniel Lezcano bool "Qualcomm MSM timer" if COMPILE_TEST 3173dc0e9f6SDaniel Lezcano depends on ARM 3183dc0e9f6SDaniel Lezcano select CLKSRC_OF 3193dc0e9f6SDaniel Lezcano help 3203dc0e9f6SDaniel Lezcano This enables the clocksource and the per CPU clockevent driver for the 3213dc0e9f6SDaniel Lezcano Qualcomm SoCs. 322220e2a8dSPawel Moll 323220e2a8dSPawel Mollconfig CLKSRC_VERSATILE 324220e2a8dSPawel Moll bool "ARM Versatile (Express) reference platforms clock source" 325ff37015bSDeng-Cheng Zhu depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET 326220e2a8dSPawel Moll select CLKSRC_OF 327220e2a8dSPawel Moll default y if MFD_VEXPRESS_SYSREG 328220e2a8dSPawel Moll help 329220e2a8dSPawel Moll This option enables clock source based on free running 330220e2a8dSPawel Moll counter available in the "System Registers" block of 331220e2a8dSPawel Moll ARM Versatile, RealView and Versatile Express reference 332220e2a8dSPawel Moll platforms. 33358394271SJean Delvare 334fa5635a2SAndrew Brestickerconfig CLKSRC_MIPS_GIC 335fa5635a2SAndrew Bresticker bool 336fa5635a2SAndrew Bresticker depends on MIPS_GIC 337e12aa828SAndrew Bresticker select CLKSRC_OF 338fa5635a2SAndrew Bresticker 339ccd63ce4SMarc Gonzalezconfig CLKSRC_TANGO_XTAL 3405a7351f0SDaniel Lezcano bool "Clocksource for Tango SoC" if COMPILE_TEST 3415a7351f0SDaniel Lezcano depends on ARM 342ccd63ce4SMarc Gonzalez select CLKSRC_OF 3435a7351f0SDaniel Lezcano help 3445a7351f0SDaniel Lezcano This enables the clocksource for Tango SoC 345ccd63ce4SMarc Gonzalez 346e074ff86SDmitry Eremin-Solenikovconfig CLKSRC_PXA 3475ae996cbSDaniel Lezcano bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST 3485ae996cbSDaniel Lezcano depends on GENERIC_CLOCKEVENTS 3495ae996cbSDaniel Lezcano select CLKSRC_MMIO 350e074ff86SDmitry Eremin-Solenikov help 351e074ff86SDmitry Eremin-Solenikov This enables OST0 support available on PXA and SA-11x0 352e074ff86SDmitry Eremin-Solenikov platforms. 353618b902dSYoshinori Sato 354618b902dSYoshinori Satoconfig H8300_TMR16 355618b902dSYoshinori Sato bool 356618b902dSYoshinori Sato 357618b902dSYoshinori Satoconfig H8300_TPU 358618b902dSYoshinori Sato bool 359618b902dSYoshinori Sato 360bea5af41SShawn Guoconfig CLKSRC_IMX_GPT 361bea5af41SShawn Guo bool "Clocksource using i.MX GPT" if COMPILE_TEST 362bea5af41SShawn Guo depends on ARM && CLKDEV_LOOKUP 363bea5af41SShawn Guo select CLKSRC_MMIO 364bea5af41SShawn Guo 36570bef01cSLee Jonesconfig CLKSRC_ST_LPC 366baacaf83SDaniel Lezcano bool "Low power clocksource found in the LPC" if COMPILE_TEST 36770bef01cSLee Jones select CLKSRC_OF if OF 36870bef01cSLee Jones help 36970bef01cSLee Jones Enable this option to use the Low Power controller timer 37070bef01cSLee Jones as clocksource. 37170bef01cSLee Jones 37258394271SJean Delvareendmenu 373