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* Omnivision OV2685 MIPI CSI-2 sensor

Required Properties:
- compatible: shall be "ovti,ov2685"
- clocks: reference to the xvclk input clock
- clock-names: shall be "xvclk"
- avdd-supply: Analog voltage supply, 2.8 volts
- dovdd-supply: Digital I/O voltage supply, 1.8 volts
- dvdd-supply: Digital core voltage supply, 1.8 volts
- reset-gpios: Low active reset gpio

The device node shall contain one 'port' child node with an
'endpoint' subnode for its digital output video port,
in accordance with the video interface bindings defined in
Documentation/devicetree/bindings/media/video-interfaces.txt.
The endpoint optional property 'data-lanes' shall be "<1>".

Example:
&i2c7 {
	ov2685: camera-sensor@3c {
		compatible = "ovti,ov2685";
		reg = <0x3c>;
		pinctrl-names = "default";
		pinctrl-0 = <&clk_24m_cam>;

		clocks = <&cru SCLK_TESTCLKOUT1>;
		clock-names = "xvclk";

		avdd-supply = <&pp2800_cam>;
		dovdd-supply = <&pp1800>;
		dvdd-supply = <&pp1800>;
		reset-gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;

		port {
			ucam_out: endpoint {
				remote-endpoint = <&mipi_in_ucam>;
				data-lanes = <1>;
			};
		};
	};
};