mfd: Add I2C control support for WM8350

Implement the I2C control interface for the WM8350. This code was
originally written by Liam Girdwood and has been updated for submission
by Mark Brown.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 5d7bbf45cae0..5eff8ad834d6 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -114,6 +114,17 @@ config MFD_WM8350_CONFIG_MODE_3
         bool
         depends on MFD_WM8350
 
+config MFD_WM8350_I2C
+        tristate "Support Wolfson Microelectronics WM8350 with I2C"
+        select MFD_WM8350
+        depends on I2C
+        help
+          The WM8350 is an integrated audio and power management
+          subsystem with watchdog and RTC functionality for embedded
+          systems.  This option enables core support for the WM8350 with
+          I2C as the control interface.  Additional options must be
+          selected to enable support for the functionality of the chip.
+
 endmenu
 
 menu "Multimedia Capabilities Port drivers"