[PATCH v4 4/6] ARM: at91: Implement clocksource selection

[Alexandre Belloni]

Allow selecting and unselecting the PIT clocksource driver so it doesn't
have to be compile when unused.

Tested-by: Alexander Dahl 
Signed-off-by: Alexandre Belloni 
---
 arch/arm/mach-at91/Kconfig | 25 +
 1 file changed, 25 insertions(+)

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 1254bf9d91b4..64f18cd220b9 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -106,6 +106,31 @@ 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"
+   depends on SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAMA5 || COMPILE_TEST
+   default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAMA5
+   depends on !ATMEL_TCLIB
+   select ATMEL_ARM_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
 
-- 
2.17.0

[PATCH v4 4/6] ARM: at91: Implement clocksource selection

[Alexandre Belloni]

Allow selecting and unselecting the PIT clocksource driver so it doesn't
have to be compile when unused.

Tested-by: Alexander Dahl 
Signed-off-by: Alexandre Belloni 
---
 arch/arm/mach-at91/Kconfig | 25 +
 1 file changed, 25 insertions(+)

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 1254bf9d91b4..64f18cd220b9 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -106,6 +106,31 @@ 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"
+   depends on SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAMA5 || COMPILE_TEST
+   default SOC_AT91RM9200 || SOC_AT91SAM9 || SOC_SAMA5
+   depends on !ATMEL_TCLIB
+   select ATMEL_ARM_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
 
-- 
2.17.0