mfd: Add mc13892 support to mc13xxx

mc13892 is the companion PMIC for Freescale's i.MX51.  It's similar enough
to mc13782 to support it in a single driver.

This patch introduces enough compatibility cruft to keep all users of the
superseded mc13783 driver unchanged.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 9735f581574d..6c6b9f02d177 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -409,11 +409,16 @@ config MFD_PCF50633
           so that function-specific drivers can bind to them.
 
 config MFD_MC13783
-        tristate "Support Freescale MC13783"
+        tristate
+
+config MFD_MC13XXX
+        tristate "Support Freescale MC13783 and MC13892"
         depends on SPI_MASTER
         select MFD_CORE
+        select MFD_MC13783
         help
-          Support for the Freescale (Atlas) MC13783 PMIC and audio CODEC.
+          Support for the Freescale (Atlas) PMIC and audio CODECs
+          MC13783 and MC13892.
           This driver provides common support for accessing  the device,
           additional drivers must be enabled in order to use the
           functionality of the device.