menu "Clock Source drivers"
  	depends on !ARCH_USES_GETTIMEOFFSET
  
  config CLKSRC_OF
  	bool
  	select CLKSRC_PROBE
  
  config CLKSRC_ACPI
  	bool
  	select CLKSRC_PROBE
  
  config CLKSRC_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 DIGICOLOR_TIMER
  	bool
  
  config DW_APB_TIMER
  	bool
  
  config DW_APB_TIMER_OF
  	bool
  	select DW_APB_TIMER
  	select CLKSRC_OF
  
  config ROCKCHIP_TIMER
  	bool
  	select CLKSRC_OF
  
  config ARMADA_370_XP_TIMER
  	bool
  	select CLKSRC_OF
  
  config MESON6_TIMER
  	bool
  	select CLKSRC_MMIO
  
  config ORION_TIMER
  	select CLKSRC_OF
  	select CLKSRC_MMIO
  	bool
  
  config SUN4I_TIMER
  	select CLKSRC_MMIO
  	bool
  
  config SUN5I_HSTIMER
  	select CLKSRC_MMIO
  	bool
  
  config TEGRA_TIMER
  	bool
  
  config VT8500_TIMER
  	bool
  
  config CADENCE_TTC_TIMER
  	bool
  
  config ASM9260_TIMER
  	bool
  	select CLKSRC_MMIO
  	select CLKSRC_OF
  
  config CLKSRC_NOMADIK_MTU
  	bool
  	depends on (ARCH_NOMADIK || ARCH_U8500)
  	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"
  	depends on UX500_SOC_DB8500
  	default y
  	help
  	  Use the always on PRCMU Timer as clocksource
  
  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
  	select CLKSRC_MMIO
  	select CLKSRC_OF
  
  config CLKSRC_PISTACHIO
  	bool
  	select CLKSRC_OF
  
  config CLKSRC_TI_32K
  	bool "Texas Instruments 32.768 Hz Clocksource" if COMPILE_TEST
  	depends on GENERIC_SCHED_CLOCK
  	select CLKSRC_OF if OF
  	help
  	  This option enables support for Texas Instruments 32.768 Hz clocksource
  	  available on many OMAP-like platforms.
  
  config CLKSRC_STM32
  	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
  	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
  	select CLKSRC_MMIO
  
  config ARM_ARCH_TIMER
  	bool
  	select CLKSRC_OF if OF
  	select CLKSRC_ACPI if ACPI
  
  config ARM_ARCH_TIMER_EVTSTREAM
  	bool "Support for ARM architected timer event stream generation"
  	default y if ARM_ARCH_TIMER
  	depends on ARM_ARCH_TIMER
  	help
  	  This option enables support 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 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_GLOBAL_TIMER
  	bool "Support for the ARM global timer unit"
  	select CLKSRC_OF if OF
  	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 CLKSRC_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
  	select CLKSRC_OF if OF
  	select CLKSRC_MMIO
  	help
  	  This options enables support for the ARMv7M system timer unit
  
  config ATMEL_PIT
  	select CLKSRC_OF if OF
  	def_bool SOC_AT91SAM9 || SOC_SAMA5
  
  config ATMEL_ST
  	bool
  	select CLKSRC_OF
  	select MFD_SYSCON
  
  config CLKSRC_METAG_GENERIC
  	def_bool y if METAG
  	help
  	  This option enables support for the Meta per-thread timers.
  
  config CLKSRC_EXYNOS_MCT
  	def_bool y if ARCH_EXYNOS
  	depends on !ARM64
  	help
  	  Support for Multi Core Timer controller on Exynos SoCs.
  
  config CLKSRC_SAMSUNG_PWM
  	bool
  	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
  	help
  	  Support for Freescale FlexTimer Module (FTM) timer.
  
  config VF_PIT_TIMER
  	bool
  	help
  	  Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
  
  config SYS_SUPPORTS_SH_CMT
          bool
  
  config MTK_TIMER
  	select CLKSRC_OF
  	select CLKSRC_MMIO
  	bool
  
  config SYS_SUPPORTS_SH_MTU2
          bool
  
  config SYS_SUPPORTS_SH_TMU
          bool
  
  config SYS_SUPPORTS_EM_STI
          bool
  
  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 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
  
  config CLKSRC_VERSATILE
  	bool "ARM Versatile (Express) reference platforms clock source"
  	depends on PLAT_VERSATILE && GENERIC_SCHED_CLOCK && !ARCH_USES_GETTIMEOFFSET
  	select CLKSRC_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 CLKSRC_OF
  
  config CLKSRC_TANGO_XTAL
  	bool
  	select CLKSRC_OF
  
  config CLKSRC_PXA
  	def_bool y if ARCH_PXA || ARCH_SA1100
  	select CLKSRC_OF if OF
  	help
  	  This enables OST0 support available on PXA and SA-11x0
  	  platforms.
  
  config H8300_TMR16
          bool
  
  config H8300_TPU
          bool
  
  config CLKSRC_IMX_GPT
  	bool "Clocksource using i.MX GPT" if COMPILE_TEST
  	depends on ARM && CLKDEV_LOOKUP
  	select CLKSRC_MMIO
  
  config CLKSRC_ST_LPC
  	bool
  	depends on ARCH_STI
  	select CLKSRC_OF if OF
  	help
  	  Enable this option to use the Low Power controller timer
  	  as clocksource.
  
  endmenu