make mc13783 regulator code generic

move some common functions and micros of mc13783 regulaor driver to
a seperate file, which makes it possible for mc13892 to share code.

Signed-off-by: Yong Shen <yong.shen@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index da34981b1675..ce17a038b0b8 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -186,9 +186,13 @@ config REGULATOR_PCAP
          This driver provides support for the voltage regulators of the
          PCAP2 PMIC.
 
+config REGULATOR_MC13XXX_CORE
+        bool
+
 config REGULATOR_MC13783
         tristate "Support regulators on Freescale MC13783 PMIC"
         depends on MFD_MC13783
+        select REGULATOR_MC13XXX_CORE
         help
           Say y here to support the regulators found on the Freescale MC13783
           PMIC.