ARM: at91: Kconfig: implement PIT64B selection

Implement PIT64B selection thus it will be available for the necessary
targets (at the moment SAM9X60 and SAMA7G5) w/o the necessity to
specify it via defconfig. With this the current CONFIG_TIMER_OF
dependency of PIT64B driver could be removed.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 279810381256710c9161d30641a2d635a722c2b2..1531b4625c7686d1122107bf412094b0f053ba06 100644 (file)
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -165,6 +165,15 @@ config ATMEL_CLOCKSOURCE_TCB
          to make a single 32-bit timer.
          It can also be used as a clock event device supporting oneshot mode.
 
+config MICROCHIP_CLOCKSOURCE_PIT64B
+       bool "64-bit Periodic Interval Timer (PIT64B) support"
+       default SOC_SAM9X60 || SOC_SAMA7
+       select MICROCHIP_PIT64B
+       help
+         Select this to get a high resolution clockevent (SAM9X60) or
+         clocksource and clockevent (SAMA7G5) based on Microchip 64-bit
+         Periodic Interval Timer.
+
 config HAVE_AT91_UTMI
        bool