mfd: dbx500: Provide a more accurate smp_twd clock

The local timer clock is based on ARM subsystem clock. This patch
obtains a more exact value of that clock by reading PRCMU registers.
Using this increases the accuracy of the local timer events.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rickard Andersson <rickard.andersson@stericsson.com>
Signed-off-by: Michel Jaouen <michel.jaouen@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index 5b90e94399e1..c410d99bd667 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -136,6 +136,7 @@ enum prcmu_clock {
         PRCMU_TIMCLK,
         PRCMU_PLLSOC0,
         PRCMU_PLLSOC1,
+        PRCMU_ARMSS,
         PRCMU_PLLDDR,
         PRCMU_PLLDSI,
         PRCMU_DSI0CLK,