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>
diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h
index 5b90e94..c410d99 100644
--- a/include/linux/mfd/dbx500-prcmu.h
+++ b/include/linux/mfd/dbx500-prcmu.h
@@ -136,6 +136,7 @@
PRCMU_TIMCLK,
PRCMU_PLLSOC0,
PRCMU_PLLSOC1,
+ PRCMU_ARMSS,
PRCMU_PLLDDR,
PRCMU_PLLDSI,
PRCMU_DSI0CLK,