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-rw-r--r--kernel/drivers/clocksource/Kconfig261
1 files changed, 261 insertions, 0 deletions
diff --git a/kernel/drivers/clocksource/Kconfig b/kernel/drivers/clocksource/Kconfig
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+++ b/kernel/drivers/clocksource/Kconfig
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+menu "Clock Source drivers"
+
+config CLKSRC_OF
+ 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 ARM_ARCH_TIMER
+ bool
+ select CLKSRC_OF if OF
+
+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
+ select CLKSRC_OF if OF
+ help
+ This options enables support for the ARM global timer unit
+
+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 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_PXA
+ def_bool y if ARCH_PXA || ARCH_SA1100
+ select CLKSRC_OF if USE_OF
+ help
+ This enables OST0 support available on PXA and SA-11x0
+ platforms.
+endmenu