auxdisplay: ht16k33: Driver for LED controller

Added a driver for the Holtek HT16K33 LED controller with keyscan.

Signed-off-by: Robin van der Gracht <robin@protonic.nl>
CC: Miguel Ojeda Sandonis <miguel.ojeda.sandonis@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig
index 10e1b9e..a230ea7 100644
--- a/drivers/auxdisplay/Kconfig
+++ b/drivers/auxdisplay/Kconfig
@@ -128,4 +128,13 @@
 	  development boards such as the MIPS Boston, MIPS Malta & MIPS SEAD3
 	  from Imagination Technologies.
 
+config HT16K33
+	tristate "Holtek Ht16K33 LED controller with keyscan"
+	depends on FB && OF && I2C && INPUT
+	select INPUT_MATRIXKMAP
+	select FB_BACKLIGHT
+	help
+	  Say yes here to add support for Holtek HT16K33, RAM mapping 16*8
+	  LED controller driver with keyscan.
+
 endif # AUXDISPLAY