mfd: Add LM3533 lighting-power core driver

Add support for National Semiconductor / TI LM3533 lighting power chips.

This is the core driver which provides register access over I2C and
registers the ambient-light-sensor, LED and backlight sub-drivers.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 48eed22c65a5..211f5dee9b68 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -106,6 +106,19 @@ config UCB1400_CORE
           To compile this driver as a module, choose M here: the
           module will be called ucb1400_core.
 
+config MFD_LM3533
+        tristate "LM3533 Lighting Power chip"
+        depends on I2C
+        select MFD_CORE
+        select REGMAP_I2C
+        help
+          Say yes here to enable support for National Semiconductor / TI
+          LM3533 Lighting Power chips.
+
+          This driver provides common support for accessing the device;
+          additional drivers must be enabled in order to use the LED,
+          backlight or ambient-light-sensor functionality of the device.
+
 config TPS6105X
         tristate "TPS61050/61052 Boost Converters"
         depends on I2C