backlight: da903x: Add backlight driver for DA9030/DA9034

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 10b701f..5ff9725 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -180,6 +180,13 @@
 	  If you have a LCD backlight adjustable by PWM, say Y to enable
 	  this driver.
 
+config BACKLIGHT_DA903X
+	tristate "Backlight Driver for DA9030/DA9034 using WLED"
+	depends on BACKLIGHT_CLASS_DEVICE && PMIC_DA903X
+	help
+	  If you have a LCD backlight connected to the WLED output of DA9030
+	  or DA9034 WLED output, say Y here to enable this driver.
+
 config BACKLIGHT_MBP_NVIDIA
        tristate "MacBook Pro Nvidia Backlight Driver"
        depends on BACKLIGHT_CLASS_DEVICE && X86