rockchip: video: Add mipi driver support for rockchip soc

Add basic driver for mipi display on rockchip soc platform.

Signed-off-by: Eric Gao <eric.gao@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/rockchip/Kconfig b/drivers/video/rockchip/Kconfig
index d94afbd..9267b2878 100644
--- a/drivers/video/rockchip/Kconfig
+++ b/drivers/video/rockchip/Kconfig
@@ -39,5 +39,12 @@
 	help
 	  This enables High-Definition Multimedia Interface display support.
 
-endif
+config DISPLAY_ROCKCHIP_MIPI
+	bool "MIPI Port"
+	depends on VIDEO_ROCKCHIP
+	help
+	  This enables Mobile Industry Processor Interface(MIPI) display
+	  support. The mipi controller and dphy on rk3288& rk3399 support
+	  16,18, 24 bits per pixel with upto 2k resolution ratio.
 
+endif