diff options
Diffstat (limited to 'drivers/clocksource/Kconfig')
| -rw-r--r-- | drivers/clocksource/Kconfig | 99 |
1 files changed, 98 insertions, 1 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index b7b9b040a89..065131cbfcc 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -26,6 +26,7 @@ config DW_APB_TIMER_OF config ARMADA_370_XP_TIMER bool + select CLKSRC_OF config ORION_TIMER select CLKSRC_OF @@ -33,6 +34,11 @@ config ORION_TIMER bool config SUN4I_TIMER + select CLKSRC_MMIO + bool + +config SUN5I_HSTIMER + select CLKSRC_MMIO bool config VT8500_TIMER @@ -70,10 +76,35 @@ config CLKSRC_DBX500_PRCMU_SCHED_CLOCK 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 @@ -99,14 +130,80 @@ config CLKSRC_EXYNOS_MCT config CLKSRC_SAMSUNG_PWM bool - select CLKSRC_MMIO 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 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 + 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 + default SYS_SUPPORTS_SH_MTU2 + help + This enables build of a clockevent driver for the Multi-Function + Timer Pulse Unit 2 (TMU2) 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 + 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 + 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 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. |