leds: ltc3208: add driver

Kernel driver implementation for LTC3208 Multidisplay LED Driver

Signed-off-by: Jan Carlo Roleda <jancarlo.roleda@analog.com>

Author: jcroleda

drivers/leds/Kconfig

@@ -959,13 +959,16 @@ config LEDS_ACER_A500
 	  This option enables support for the Power Button LED of
 	  Acer Iconia Tab A500.
 
-source "drivers/leds/blink/Kconfig"
-
-comment "Flash and Torch LED drivers"
-source "drivers/leds/flash/Kconfig"
+config LEDS_LTC3208
+	tristate "LED Driver for LTC3208"
+	depends on LEDS_CLASS && I2C
+	select REGMAP_I2C
+	help
+	  Say Y to enable the LTC3208 LED driver.
+	  This supports the LED device LTC3208.
 
-comment "RGB LED drivers"
-source "drivers/leds/rgb/Kconfig"
+	  To compile this driver as a module, choose M here: the module will
+	  be called ltc3208.
 
 comment "LED Triggers"
 source "drivers/leds/trigger/Kconfig"

drivers/leds/Makefile

@@ -58,6 +58,7 @@ obj-$(CONFIG_LEDS_LP8501)		+= leds-lp8501.o
 obj-$(CONFIG_LEDS_LP8788)		+= leds-lp8788.o
 obj-$(CONFIG_LEDS_LP8860)		+= leds-lp8860.o
 obj-$(CONFIG_LEDS_LT3593)		+= leds-lt3593.o
+obj-$(CONFIG_LEDS_LTC3208)		+= leds-ltc3208.o
 obj-$(CONFIG_LEDS_MAX5970)		+= leds-max5970.o
 obj-$(CONFIG_LEDS_MAX77650)		+= leds-max77650.o
 obj-$(CONFIG_LEDS_MAX8997)		+= leds-max8997.o