Ingenic JZ4780 DRM master device
================================

The Ingenic JZ4780 DRM master device is a virtual device needed to list all
devices or other display interface nodes that comprise the graphics subsystem.

Required properties:
- compatible: Should be "ingenic,jz4780-display-subsystem"
- ports: Should contain a list of phandles pointing to display interface port
  as defined in Documentation/devicetree/bindings/video/rockchip-vop.txt

example:

display-subsystem {
	compatible = "ingenic,jz4780-display-subsystem";
	ports = <&jz4780_lcd_out>;
};
