clocksource: Add Kconfig entries for CMT, MTU2, TMU and STI

Add Kconfig entries for CMT, MTU2, TMU and STI to
drivers/clocksource/Kconfig. This will allow us to
get rid of duplicated entires in architecture code
such as arch/sh and arch/arm/mach-shmobile.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index cd6950fd8caf..4f754a972139 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -140,3 +140,47 @@ config VF_PIT_TIMER
         bool
         help
           Support for Period Interrupt Timer on Freescale Vybrid Family SoCs.
+
+config SYS_SUPPORTS_SH_CMT
+        bool
+
+config SYS_SUPPORTS_SH_MTU2
+        bool
+
+config SYS_SUPPORTS_SH_TMU
+        bool
+
+config SYS_SUPPORTS_EM_STI
+        bool
+
+config SH_TIMER_CMT
+        bool "Renesas CMT timer driver" if COMPILE_TEST
+        default SYS_SUPPORTS_SH_CMT
+        help
+          This enables build of a clocksource and clockevent driver for
+          the Compare Match Timer (CMT) hardware available in 16/32/48-bit
+          variants on a wide range of Mobile and Automotive SoCs from Renesas.
+
+config SH_TIMER_MTU2
+        bool "Renesas MTU2 timer driver" if COMPILE_TEST
+        default SYS_SUPPORTS_SH_MTU2
+        help
+          This enables build of a clockevent driver for the Multi-Function
+          Timer Pulse Unit 2 (TMU2) hardware available on SoCs from Renesas.
+          This hardware comes with 16 bit-timer registers.
+
+config SH_TIMER_TMU
+        bool "Renesas TMU timer driver" if COMPILE_TEST
+        default SYS_SUPPORTS_SH_TMU
+        help
+          This enables build of a clocksource and clockevent driver for
+          the 32-bit Timer Unit (TMU) hardware available on a wide range
+          SoCs from Renesas.
+
+config EM_TIMER_STI
+        bool "Renesas STI timer driver" if COMPILE_TEST
+        default SYS_SUPPORTS_EM_STI
+        help
+          This enables build of a clocksource and clockevent driver for
+          the 48-bit System Timer (STI) hardware available on a SoCs
+          such as EMEV2 from former NEC Electronics.