Qualcomm Technologies,Inc. Adreno/Snapdragon display controller

Required properties:

Optional properties:
- contiguous-region: reserved memory for HDMI and DSI buffer.
- qcom,sde-plane-id-map: plane id mapping for virtual plane.
- qcom,sde-plane-id: each virtual plane mapping node.
- reg: reg property.
- qcom,display-type: display type this plane is mapped to. It could be
 "primary", "secondary" and "tertiary".
- qcom,plane-name: plane name array for this virtual plane. It could be
 "rgb0", "rgb1", "rgb2", "rgb3", "vig0", "vig1", "vig2", "vig3", "dma0", "dma1",
 "dma2", "dma3", "cursor0", "cursor1".
- qcom,plane-type: virtual plane type. It could be "primary", "overlay",
 "cursor".

Example:

&mdss_mdp {
	contiguous-region = <&cont_splash_mem &cont_splash_mem_hdmi>;

	qcom,sde-plane-id-map {
		qcom,sde-plane-id@0 {
			reg = <0x0>;
			qcom,display-type = "primary";
			qcom,plane-name = "rgb0", "rgb1";
			qcom,plane-type = "primary";
		};

		qcom,sde-plane-id@1 {
			reg = <0x1>;
			qcom,display-type = "primary";
			qcom,plane-name = "vig0", "vig1";
			qcom,plane-type = "overlay";
		};

		qcom,sde-plane-id@2 {
			reg = <0x2>;
			qcom,display-type = "primary";
			qcom,plane-name = "cursor0", "cursor1";
			qcom,plane-type = "cursor";
		};
	};
};
