dt-bindings: media: i2c: Document add sc2239

Signed-off-by: Wang Panzhenzhuan <randy.wang@rock-chips.com>
Change-Id: I7c9249305564a928fbd25d1f65f6b923097b9258

Documentation/devicetree/bindings/media/i2c/sc2239.txt

@@ -0,0 +1,50 @@
+* Smartsens SC2239 MIPI sensor
+
+Required Properties:
+- compatible: should be "smartsens,sc2239"
+- clocks: reference to the 24M xvclk input clock.
+- clock-names: should be "xvclk".
+- dovdd-supply: Digital I/O voltage supply, 1.8 volts
+- avdd-supply: Analog voltage supply, 2.8 volts
+- dvdd-supply: Digital core voltage supply, 1.5 volts
+- pwdn-gpios High active reset gpio
+- reset-gpios: High active reset gpio
+
+Attention:
+SC2239 device address 0x30(7bit) or 0x32(7bit) is decided by SID pin;
+
+The device node must contain one 'port' child node for its digital output
+video port, in accordance with the video interface bindings defined in
+Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+Example:
+//rv1126 evb13 board
+&i2c1 {
+	status = "okay";
+	sc2239: sc2239@30 {	// or sc2239: sc2239@32
+		compatible = "smartsens,sc2239";
+		reg = <0x30>;
+		clocks = <&cru CLK_MIPICSI_OUT>;
+		clock-names = "xvclk";
+		power-domains = <&power RV1126_PD_VI>;
+		pinctrl-names = "rockchip,camera_default";
+		pinctrl-0 = <&mipicsi_clk0>;
+		avdd-supply = <&vcc_avdd>;
+		dovdd-supply = <&vcc_dovdd>;
+		dvdd-supply = <&vcc_dvdd>;
+		pwdn-gpios = <&gpio1 RK_PD4 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&gpio1 RK_PD5 GPIO_ACTIVE_HIGH>;
+		rockchip,camera-module-index = <1>;
+		rockchip,camera-module-facing = "front";
+		rockchip,camera-module-name = "CMK-OT1607-FV1";
+		rockchip,camera-module-lens-name = "M12-40IRC-4MP-F16";
+		/* NO_HDR:0 HDR_X2:5 HDR_X3:6 */
+		rockchip,camera-hdr-mode = <5>;
+		port {
+			sc2239_out: endpoint {
+				remote-endpoint = <&mipi_in_ucam>;
+				data-lanes = <1>;
+			};
+		};
+	};
+};