diff options
| author | Noam Camus <noamc@ezchip.com> | 2015-10-17 22:37:30 +0300 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2016-05-09 09:32:31 +0530 |
| commit | a53224577e317d010f61aa1b1b8b18f2b168a137 (patch) | |
| tree | b012bbcb6692939437a802656a1b91153dae62f1 /drivers/clocksource/Kconfig | |
| parent | ebc326be87e5989a878872cd3e42cc0061458ab7 (diff) | |
| download | lwn-a53224577e317d010f61aa1b1b8b18f2b168a137.tar.gz lwn-a53224577e317d010f61aa1b1b8b18f2b168a137.zip | |
clocksource: Add NPS400 timers driver
Add internal tick generator which is shared by all cores.
Each cluster of cores view it through dedicated address.
This is used for SMP system where all CPUs synced by same
clock source.
Signed-off-by: Noam Camus <noamc@ezchip.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource/Kconfig')
| -rw-r--r-- | drivers/clocksource/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index c346be650892..3932d093b6e8 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -181,6 +181,16 @@ config CLKSRC_TI_32K This option enables support for Texas Instruments 32.768 Hz clocksource available on many OMAP-like platforms. +config CLKSRC_NPS + bool "NPS400 clocksource driver" if COMPILE_TEST + depends on !PHYS_ADDR_T_64BIT + select CLKSRC_MMIO + select CLKSRC_OF if OF + help + NPS400 clocksource support. + Got 64 bit counter with update rate up to 1000MHz. + This counter is accessed via couple of 32 bit memory mapped registers. + config CLKSRC_STM32 bool "Clocksource for STM32 SoCs" if !ARCH_STM32 depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST) |