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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-05-17 15:48:06 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-05-17 15:48:06 +0200 |
| commit | ea7a5f90f103591f1f38dede52e731ec95ef3c55 (patch) | |
| tree | 3f11930376131fd86fe5390ab7e32c38ca5658f6 /arch/arm | |
| parent | tick: Fix typos in comments (diff) | |
| parent | misc: atmel_tclib: Do not probe already used TCBs (diff) | |
| download | linux-ea7a5f90f103591f1f38dede52e731ec95ef3c55.tar.xz linux-ea7a5f90f103591f1f38dede52e731ec95ef3c55.zip | |
Merge tag 'timers-v5.2' of http://git.linaro.org/people/daniel.lezcano/linux into timers/core
Pull clockevent updates from Daniel Lezcano:
- Add compatible string for suniv for sun4i (Mesih Kilinc)
- Add COMPILE_TEST option for sp804 (David Abdurachmanov)
- Replace the compensation time when suspend happens on tegra with the one
provided by the generic framework (Joseph Lo)
- Cleanup, shutdown and oneshot mode fix on milbeaut timer (Sugaya Taichi)
- Atmel TCB rework to fix boot failure on boards without PIT or misfunction
on system using a preempt-rt kernel (Alexandre Belloni)
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-at91/Kconfig | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 903f23c309df..da1d97a06c53 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -107,6 +107,29 @@ config SOC_AT91SAM9 AT91SAM9X35 AT91SAM9XE +comment "Clocksource driver selection" + +config ATMEL_CLOCKSOURCE_PIT + bool "Periodic Interval Timer (PIT) support" + depends on SOC_AT91SAM9 || SOC_SAMA5 + default SOC_AT91SAM9 || SOC_SAMA5 + select ATMEL_PIT + help + Select this to get a clocksource based on the Atmel Periodic Interval + Timer. It has a relatively low resolution and the TC Block clocksource + should be preferred. + +config ATMEL_CLOCKSOURCE_TCB + bool "Timer Counter Blocks (TCB) support" + default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAMA5 + select ATMEL_TCB_CLKSRC + help + Select this to get a high precision clocksource based on a + TC block with a 5+ MHz base clock rate. + On platforms with 16-bit counters, two timer channels are combined + to make a single 32-bit timer. + It can also be used as a clock event device supporting oneshot mode. + config HAVE_AT91_UTMI bool |