mfd: Add Toshiba's TC35892 MFD core

The TC35892 I/O Expander provides 24 GPIOs, a keypad controller, timers,
and a rotator wheel interface.  This patch adds the MFD core.

Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 40e0a0a7df5b..614fa7b8a054 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -171,6 +171,17 @@ config TWL4030_CODEC
         select MFD_CORE
         default n
 
+config MFD_TC35892
+        bool "Support Toshiba TC35892"
+        depends on I2C=y && GENERIC_HARDIRQS
+        select MFD_CORE
+        help
+          Support for the Toshiba TC35892 I/O Expander.
+
+          This driver provides common support for accessing the device,
+          additional drivers must be enabled in order to use the
+          functionality of the device.
+
 config MFD_TMIO
         bool
         default n