diff options
Diffstat (limited to 'drivers/clocksource/Kconfig')
| -rw-r--r-- | drivers/clocksource/Kconfig | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig new file mode 100644 index 00000000..593485b0 --- /dev/null +++ b/drivers/clocksource/Kconfig @@ -0,0 +1,102 @@ +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 DW_APB_TIMER + bool + +config DW_APB_TIMER_OF + bool + +config ARMADA_370_XP_TIMER + bool + +config SUN4I_TIMER + bool + +config VT8500_TIMER + bool + +config CADENCE_TTC_TIMER + bool + +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 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 + 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 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 + help + Support for Multi Core Timer controller on Exynos SoCs. + +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. |