menu "Clock Source drivers"
  	depends on !ARCH_USES_GETTIMEOFFSET
  
  config TIMER_OF
  	bool
  	depends on GENERIC_CLOCKEVENTS
  	select TIMER_PROBE
  
  config TIMER_ACPI
  	bool
  	select TIMER_PROBE
  
  config TIMER_PROBE
  	bool
  
  config CLKSRC_I8253
  	bool
  
  config CLKEVT_I8253
  	bool
  
  config I8253_LOCK
  	bool
  
  config CLKBLD_I8253
  	def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK
  
  config CLKSRC_MMIO
  	bool
  
  config BCM2835_TIMER
  	bool "BCM2835 timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables the support for the BCM2835 timer driver.
  
  config BCM_KONA_TIMER
  	bool "BCM mobile timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables the support for the BCM Kona mobile timer driver.
  
  config DIGICOLOR_TIMER
  	bool "Digicolor timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	depends on HAS_IOMEM
  	help
  	  Enables the support for the digicolor timer driver.
  
  config DW_APB_TIMER
  	bool "DW APB timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	help
  	  Enables the support for the dw_apb timer.
  
  config DW_APB_TIMER_OF
  	bool
  	select DW_APB_TIMER
  	select TIMER_OF
  
  config FTTMR010_TIMER
  	bool "Faraday Technology timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	select CLKSRC_MMIO
  	select TIMER_OF
  	select MFD_SYSCON
  	help
  	  Enables support for the Faraday Technology timer block
  	  FTTMR010.
  
  config ROCKCHIP_TIMER
  	bool "Rockchip timer driver" if COMPILE_TEST
  	depends on ARM || ARM64
  	select TIMER_OF
  	select CLKSRC_MMIO
  	help
  	  Enables the support for the rockchip timer driver.
  
  config ARMADA_370_XP_TIMER
  	bool "Armada 370 and XP timer driver" if COMPILE_TEST
  	depends on ARM
  	select TIMER_OF
  	select CLKSRC_MMIO
  	help
  	  Enables the support for the Armada 370 and XP timer driver.
  
  config MESON6_TIMER
  	bool "Meson6 timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables the support for the Meson6 timer driver.
  
  config ORION_TIMER
  	bool "Orion timer driver" if COMPILE_TEST
  	depends on ARM
  	select TIMER_OF
  	select CLKSRC_MMIO
  	help
  	  Enables the support for the Orion timer driver
  
  config OWL_TIMER
  	bool "Owl timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables the support for the Actions Semi Owl timer driver.
  
  config SUN4I_TIMER
  	bool "Sun4i timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	select CLKSRC_MMIO
  	select TIMER_OF
  	help
  	  Enables support for the Sun4i timer.
  
  config SUN5I_HSTIMER
  	bool "Sun5i timer driver" if COMPILE_TEST
  	select CLKSRC_MMIO
  	depends on COMMON_CLK
  	help
  	  Enables support the Sun5i timer.
  
  config TEGRA_TIMER
  	bool "Tegra timer driver" if COMPILE_TEST
  	select CLKSRC_MMIO
  	depends on ARM
  	help
  	  Enables support for the Tegra driver.
  
  config VT8500_TIMER
  	bool "VT8500 timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	help
  	  Enables support for the VT8500 driver.
  
  config CADENCE_TTC_TIMER
  	bool "Cadence TTC timer driver" if COMPILE_TEST
  	depends on COMMON_CLK
  	help
  	  Enables support for the cadence ttc driver.
  
  config ASM9260_TIMER
  	bool "ASM9260 timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	select TIMER_OF
  	help
  	  Enables support for the ASM9260 timer.
  
  config CLKSRC_NOMADIK_MTU
  	bool "Nomakdik clocksource driver" if COMPILE_TEST
  	depends on ARM
  	select CLKSRC_MMIO
  	help
  	  Support for Multi Timer Unit. MTU provides access
  	  to multiple interrupt generating programmable
  	  32-bit free running decrementing counters.
  
  config CLKSRC_NOMADIK_MTU_SCHED_CLOCK
  	bool
  	depends on CLKSRC_NOMADIK_MTU
  	help
  	  Use the Multi Timer Unit as the sched_clock.
  
  config CLKSRC_DBX500_PRCMU
  	bool "Clocksource PRCMU Timer" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	help
  	  Use the always on PRCMU Timer as clocksource
  
  config CLPS711X_TIMER
  	bool "Cirrus logic timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables support for the Cirrus Logic PS711 timer.
  
  config ATLAS7_TIMER
  	bool "Atlas7 timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables support for the Atlas7 timer.
  
  config MXS_TIMER
  	bool "Mxs timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	select STMP_DEVICE
  	help
  	  Enables support for the Mxs timer.
  
  config PRIMA2_TIMER
  	bool "Prima2 timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables support for the Prima2 timer.
  
  config U300_TIMER
  	bool "U300 timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on ARM
  	select CLKSRC_MMIO
  	help
  	  Enables support for the U300 timer.
  
  config NSPIRE_TIMER
  	bool "NSpire timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables support for the Nspire timer.
  
  config KEYSTONE_TIMER
  	bool "Keystone timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on ARM || ARM64
  	select CLKSRC_MMIO
  	help
  	  Enables support for the Keystone timer.
  
  config INTEGRATOR_AP_TIMER
  	bool "Integrator-ap timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables support for the Integrator-ap timer.
  
  config CLKSRC_DBX500_PRCMU_SCHED_CLOCK
  	bool "Clocksource PRCMU Timer sched_clock"
  	depends on (CLKSRC_DBX500_PRCMU && !CLKSRC_NOMADIK_MTU_SCHED_CLOCK)
  	default y
  	help
  	  Use the always on PRCMU Timer as sched_clock
  
  config CLKSRC_EFM32
  	bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
  	depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
  	select CLKSRC_MMIO
  	default ARCH_EFM32
  	help
  	  Support to use the timers of EFM32 SoCs as clock source and clock
  	  event device.
  
  config CLKSRC_LPC32XX
  	bool "Clocksource for LPC32XX" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
  	depends on ARM
  	select CLKSRC_MMIO
  	select TIMER_OF
  	help
  	  Support for the LPC32XX clocksource.
  
  config CLKSRC_PISTACHIO
  	bool "Clocksource for Pistachio SoC" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
  	select TIMER_OF
  	help
  	  Enables the clocksource for the Pistachio SoC.
  
  config CLKSRC_TI_32K
  	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
  	depends on GENERIC_SCHED_CLOCK
  	select TIMER_OF if OF
  	help
  	  This option enables support for Texas Instruments 32.768 Hz clocksource
  	  available on many OMAP-like platforms.
  
  config CLKSRC_NPS
  	bool "NPS400 clocksource driver" if COMPILE_TEST
  	depends on !PHYS_ADDR_T_64BIT
  	select CLKSRC_MMIO
  	select TIMER_OF if OF
  	help
  	  NPS400 clocksource support.
  	  Got 64 bit counter with update rate up to 1000MHz.
  	  This counter is accessed via couple of 32 bit memory mapped registers.
  
  config CLKSRC_STM32
  	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
  	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
  	select CLKSRC_MMIO
  
  config CLKSRC_MPS2
  	bool "Clocksource for MPS2 SoCs" if COMPILE_TEST
  	depends on GENERIC_SCHED_CLOCK
  	select CLKSRC_MMIO
  	select TIMER_OF
  
  config ARC_TIMERS
  	bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select TIMER_OF
  	help
  	  These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores
  	  (ARC700 as well as ARC HS38).
  	  TIMER0 serves as clockevent while TIMER1 provides clocksource
  
  config ARC_TIMERS_64BIT
  	bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on ARC_TIMERS
  	select TIMER_OF
  	help
  	  This enables 2 different 64-bit timers: RTC (for UP) and GFRC (for SMP)
  	  RTC is implemented inside the core, while GFRC sits outside the core in
  	  ARConnect IP block. Driver automatically picks one of them for clocksource
  	  as appropriate.
  
  config ARM_ARCH_TIMER
  	bool
  	select TIMER_OF if OF
  	select TIMER_ACPI if ACPI
  
  config ARM_ARCH_TIMER_EVTSTREAM
  	bool "Enable ARM architected timer event stream generation by default"
  	default y if ARM_ARCH_TIMER
  	depends on ARM_ARCH_TIMER
  	help
  	  This option enables support by default for event stream generation
  	  based on the ARM architected timer. It is used for waking up CPUs
  	  executing the wfe instruction at a frequency represented as a
  	  power-of-2 divisor of the clock rate. The behaviour can also be
  	  overridden on the command line using the
  	  clocksource.arm_arch_timer.evtstream parameter.
  	  The main use of the event stream is wfe-based timeouts of userspace
  	  locking implementations. It might also be useful for imposing timeout
  	  on wfe to safeguard against any programming errors in case an expected
  	  event is not generated.
  	  This must be disabled for hardware validation purposes to detect any
  	  hardware anomalies of missing events.
  
  config ARM_ARCH_TIMER_OOL_WORKAROUND
  	bool
  
  config FSL_ERRATUM_A008585
  	bool "Workaround for Freescale/NXP Erratum A-008585"
  	default y
  	depends on ARM_ARCH_TIMER && ARM64
  	select ARM_ARCH_TIMER_OOL_WORKAROUND
  	help
  	  This option enables a workaround for Freescale/NXP Erratum
  	  A-008585 ("ARM generic timer may contain an erroneous
  	  value").  The workaround will only be active if the
  	  fsl,erratum-a008585 property is found in the timer node.
  
  config HISILICON_ERRATUM_161010101
  	bool "Workaround for Hisilicon Erratum 161010101"
  	default y
  	select ARM_ARCH_TIMER_OOL_WORKAROUND
  	depends on ARM_ARCH_TIMER && ARM64
  	help
  	  This option enables a workaround for Hisilicon Erratum
  	  161010101. The workaround will be active if the hisilicon,erratum-161010101
  	  property is found in the timer node.
  
  config ARM64_ERRATUM_858921
  	bool "Workaround for Cortex-A73 erratum 858921"
  	default y
  	select ARM_ARCH_TIMER_OOL_WORKAROUND
  	depends on ARM_ARCH_TIMER && ARM64
  	help
  	  This option enables a workaround applicable to Cortex-A73
  	  (all versions), whose counter may return incorrect values.
  	  The workaround will be dynamically enabled when an affected
  	  core is detected.
  
  config ARM_GLOBAL_TIMER
  	bool "Support for the ARM global timer" if COMPILE_TEST
  	select TIMER_OF if OF
  	depends on ARM
  	help
  	  This options enables support for the ARM global timer unit
  
  config ARM_TIMER_SP804
  	bool "Support for Dual Timer SP804 module"
  	depends on GENERIC_SCHED_CLOCK && CLKDEV_LOOKUP
  	select CLKSRC_MMIO
  	select TIMER_OF if OF
  
  config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK
  	bool
  	depends on ARM_GLOBAL_TIMER
  	default y
  	help
  	 Use ARM global timer clock source as sched_clock
  
  config ARMV7M_SYSTICK
  	bool "Support for the ARMv7M system time" if COMPILE_TEST
  	select TIMER_OF if OF
  	select CLKSRC_MMIO
  	help
  	  This options enables support for the ARMv7M system timer unit
  
  config ATMEL_PIT
  	select TIMER_OF if OF
  	def_bool SOC_AT91SAM9 || SOC_SAMA5
  
  config ATMEL_ST
  	bool "Atmel ST timer support" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select TIMER_OF
  	select MFD_SYSCON
  	help
  	  Support for the Atmel ST timer.
  
  config CLKSRC_METAG_GENERIC
  	def_bool y if METAG
  	help
  	  This option enables support for the Meta per-thread timers.
  
  config CLKSRC_EXYNOS_MCT
  	bool "Exynos multi core timer driver" if COMPILE_TEST
  	depends on ARM || ARM64
  	help
  	  Support for Multi Core Timer controller on Exynos SoCs.
  
  config CLKSRC_SAMSUNG_PWM
  	bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	help
  	  This is a new clocksource driver for the PWM timer found in
  	  Samsung S3C, S5P and Exynos SoCs, replacing an earlier driver
  	  for all devicetree enabled platforms. This driver will be
  	  needed only on systems that do not have the Exynos MCT available.
  
  config FSL_FTM_TIMER
  	bool "Freescale FlexTimer Module driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	select CLKSRC_MMIO
  	help
  	  Support for Freescale FlexTimer Module (FTM) timer.
  
  config VF_PIT_TIMER
  	bool
  	select CLKSRC_MMIO
  	help
  	  Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
  
  config OXNAS_RPS_TIMER
  	bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select TIMER_OF
  	select CLKSRC_MMIO
  	help
  	  This enables support for the Oxford Semiconductor OXNAS RPS timers.
  
  config SYS_SUPPORTS_SH_CMT
          bool
  
  config MTK_TIMER
  	bool "Mediatek timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
  	select TIMER_OF
  	select CLKSRC_MMIO
  	help
  	  Support for Mediatek timer driver.
  
  config SYS_SUPPORTS_SH_MTU2
          bool
  
  config SYS_SUPPORTS_SH_TMU
          bool
  
  config SYS_SUPPORTS_EM_STI
          bool
  
  config CLKSRC_JCORE_PIT
  	bool "J-Core PIT timer driver" if COMPILE_TEST
  	depends on OF
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	select CLKSRC_MMIO
  	help
  	  This enables build of clocksource and clockevent driver for
  	  the integrated PIT in the J-Core synthesizable, open source SoC.
  
  config SH_TIMER_CMT
  	bool "Renesas CMT timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	default SYS_SUPPORTS_SH_CMT
  	help
  	  This enables build of a clocksource and clockevent driver for
  	  the Compare Match Timer (CMT) hardware available in 16/32/48-bit
  	  variants on a wide range of Mobile and Automotive SoCs from Renesas.
  
  config SH_TIMER_MTU2
  	bool "Renesas MTU2 timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	default SYS_SUPPORTS_SH_MTU2
  	help
  	  This enables build of a clockevent driver for the Multi-Function
  	  Timer Pulse Unit 2 (MTU2) hardware available on SoCs from Renesas.
  	  This hardware comes with 16 bit-timer registers.
  
  config RENESAS_OSTM
  	bool "Renesas OSTM timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enables the support for the Renesas OSTM.
  
  config SH_TIMER_TMU
  	bool "Renesas TMU timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	default SYS_SUPPORTS_SH_TMU
  	help
  	  This enables build of a clocksource and clockevent driver for
  	  the 32-bit Timer Unit (TMU) hardware available on a wide range
  	  SoCs from Renesas.
  
  config EM_TIMER_STI
  	bool "Renesas STI timer driver" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
  	default SYS_SUPPORTS_EM_STI
  	help
  	  This enables build of a clocksource and clockevent driver for
  	  the 48-bit System Timer (STI) hardware available on a SoCs
  	  such as EMEV2 from former NEC Electronics.
  
  config CLKSRC_QCOM
  	bool "Qualcomm MSM timer" if COMPILE_TEST
  	depends on ARM
  	select TIMER_OF
  	help
  	  This enables the clocksource and the per CPU clockevent driver for the
  	  Qualcomm SoCs.
  
  config CLKSRC_VERSATILE
  	bool "ARM Versatile (Express) reference platforms clock source" if COMPILE_TEST
  	depends on GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
  	select TIMER_OF
  	default y if MFD_VEXPRESS_SYSREG
  	help
  	  This option enables clock source based on free running
  	  counter available in the "System Registers" block of
  	  ARM Versatile, RealView and Versatile Express reference
  	  platforms.
  
  config CLKSRC_MIPS_GIC
  	bool
  	depends on MIPS_GIC
  	select TIMER_OF
  
  config CLKSRC_TANGO_XTAL
  	bool "Clocksource for Tango SoC" if COMPILE_TEST
  	depends on ARM
  	select TIMER_OF
  	select CLKSRC_MMIO
  	help
  	  This enables the clocksource for Tango SoC
  
  config CLKSRC_PXA
  	bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST
  	depends on GENERIC_CLOCKEVENTS
  	depends on HAS_IOMEM
  	select CLKSRC_MMIO
  	help
  	  This enables OST0 support available on PXA and SA-11x0
  	  platforms.
  
  config H8300_TMR8
          bool "Clockevent timer for the H8300 platform" if COMPILE_TEST
          depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
  	help
  	  This enables the 8 bits timer for the H8300 platform.
  
  config H8300_TMR16
          bool "Clockevent timer for the H83069 platform" if COMPILE_TEST
          depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
  	help
  	  This enables the 16 bits timer for the H8300 platform with the
  	  H83069 cpu.
  
  config H8300_TPU
          bool "Clocksource for the H8300 platform" if COMPILE_TEST
          depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
  	help
  	  This enables the clocksource for the H8300 platform with the
  	  H8S2678 cpu.
  
  config CLKSRC_IMX_GPT
  	bool "Clocksource using i.MX GPT" if COMPILE_TEST
  	depends on (ARM || ARM64) && CLKDEV_LOOKUP
  	select CLKSRC_MMIO
  
  config CLKSRC_IMX_TPM
  	bool "Clocksource using i.MX TPM" if COMPILE_TEST
  	depends on ARM && CLKDEV_LOOKUP && GENERIC_CLOCKEVENTS
  	select CLKSRC_MMIO
  	help
  	  Enable this option to use IMX Timer/PWM Module (TPM) timer as
  	  clocksource.
  
  config CLKSRC_IMX_SYS_CNT
  	bool "Clocksource using i.MX system counter timer"
  	depends on ARM_ARCH_TIMER
  
  config CLKSRC_ST_LPC
  	bool "Low power clocksource found in the LPC" if COMPILE_TEST
  	select TIMER_OF if OF
  	depends on HAS_IOMEM
  	select CLKSRC_MMIO
  	help
  	  Enable this option to use the Low Power controller timer
  	  as clocksource.
  
  endmenu