mfd: Add MAX77693 driver

This patch adds MFD driver for MAX77693 to enable its sub devices.

The MAX77693 is a multi-function devices. It includes PMIC,
MUIC(Micro USB Interface Controller), flash LED control and
haptic motor control.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index af46ce019fc7..a0e1b834af61 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -420,6 +420,18 @@ config PMIC_ADP5520
           individual components like LCD backlight, LEDs, GPIOs and Kepad
           under the corresponding menus.
 
+config MFD_MAX77693
+        bool "Maxim Semiconductor MAX77693 PMIC Support"
+        depends on I2C=y && GENERIC_HARDIRQS
+        select MFD_CORE
+        help
+          Say yes here to support for Maxim Semiconductor MAX77693.
+          This is a companion Power Management IC with Flash, Haptic, Charger,
+          and MUIC(Micro USB Interface Controller) controls on chip.
+          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_MAX8925
         bool "Maxim Semiconductor MAX8925 PMIC Support"
         depends on I2C=y && GENERIC_HARDIRQS