diff options
Diffstat (limited to 'drivers/clocksource/Kconfig')
| -rw-r--r-- | drivers/clocksource/Kconfig | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 971d796e071..065131cbfcc 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -34,6 +34,11 @@ config ORION_TIMER bool config SUN4I_TIMER + select CLKSRC_MMIO + bool + +config SUN5I_HSTIMER + select CLKSRC_MMIO bool config VT8500_TIMER @@ -71,10 +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 @@ -106,7 +136,74 @@ config CLKSRC_SAMSUNG_PWM 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. |