diff options
author | Benedikt Spranger <b.spranger@linutronix.de> | 2010-03-08 17:57:04 (GMT) |
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committer | Scott Wood <scottwood@freescale.com> | 2015-02-13 22:20:10 (GMT) |
commit | 096d72872478e6fc0e2b4096cc72294bb9c9b7f1 (patch) | |
tree | 5dcbb3df51864353ebb47b1851bb8ebb48bffd35 /drivers/misc | |
parent | 5f8de53420beaaae00d148212d4be374e785d7a9 (diff) | |
download | linux-fsl-qoriq-096d72872478e6fc0e2b4096cc72294bb9c9b7f1.tar.xz |
clocksource: TCLIB: Allow higher clock rates for clock events
As default the TCLIB uses the 32KiHz base clock rate for clock events.
Add a compile time selection to allow higher clock resulution.
(fixed up by Sami Pietikäinen <Sami.Pietikainen@wapice.com>)
Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/Kconfig | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 8dacd4c..bc68085 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -78,8 +78,7 @@ config ATMEL_TCB_CLKSRC are combined to make a single 32-bit timer. When GENERIC_CLOCKEVENTS is defined, the third timer channel - may be used as a clock event device supporting oneshot mode - (delays of up to two seconds) based on the 32 KiHz clock. + may be used as a clock event device supporting oneshot mode. config ATMEL_TCB_CLKSRC_BLOCK int @@ -93,6 +92,15 @@ config ATMEL_TCB_CLKSRC_BLOCK TC can be used for other purposes, such as PWM generation and interval timing. +config ATMEL_TCB_CLKSRC_USE_SLOW_CLOCK + bool "TC Block use 32 KiHz clock" + depends on ATMEL_TCB_CLKSRC + default y + help + Select this to use 32 KiHz base clock rate as TC block clock + source for clock events. + + config DUMMY_IRQ tristate "Dummy IRQ handler" default n |