video: Add support for Hitachi tx18d42vm LVDS LCD panels

Add support for Hitachi tx18d42vm LVDS LCD panels, these panels have a
lcd controller which needs to be initialized over SPI, once that is
done they work like a regular LVDS panel.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index d9d4afc..ccbd7e2 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -36,9 +36,18 @@
 	The reset pin of SSD2828 chip. This takes a string in the format
 	understood by 'name_to_gpio' function, e.g. PH1 for pin 1 of port H.
 
+config VIDEO_LCD_HITACHI_TX18D42VM
+	bool "Hitachi tx18d42vm LVDS LCD panel support"
+	depends on VIDEO
+	default n
+	---help---
+	Support for Hitachi tx18d42vm LVDS LCD panels, these panels have a
+	lcd controller which needs to be initialized over SPI, once that is
+	done they work like a regular LVDS panel.
+
 config VIDEO_LCD_SPI_CS
 	string "SPI CS pin for LCD related config job"
-	depends on VIDEO_LCD_SSD2828
+	depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM
 	default ""
 	---help---
 	This is one of the SPI communication pins, involved in setting up a
@@ -48,7 +57,7 @@
 
 config VIDEO_LCD_SPI_SCLK
 	string "SPI SCLK pin for LCD related config job"
-	depends on VIDEO_LCD_SSD2828
+	depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM
 	default ""
 	---help---
 	This is one of the SPI communication pins, involved in setting up a
@@ -58,7 +67,7 @@
 
 config VIDEO_LCD_SPI_MOSI
 	string "SPI MOSI pin for LCD related config job"
-	depends on VIDEO_LCD_SSD2828
+	depends on VIDEO_LCD_SSD2828 || VIDEO_LCD_HITACHI_TX18D42VM
 	default ""
 	---help---
 	This is one of the SPI communication pins, involved in setting up a