arm64: dts: ti: k3-j721e: Add nodes to enable CSI2

Add nodes for Cadence CSI2RX, DPHY, and TI's CSI2RX wrapper. Also add
nodes for OV5640 which is the camera the drivers have been tested with.

Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts

@@ -161,6 +161,12 @@ dp_connector_in: endpoint {
 			};
 		};
 	};
+
+	clk_ov5640_fixed: ov5640-xclk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <25000000>;
+	};
 };
 
 &main_pmx0 {
@@ -726,6 +732,23 @@ exp5: gpio@20 {
 		gpio-controller;
 		#gpio-cells = <2>;
 	};
+
+	ov5640: camera@3c {
+		compatible = "ovti,ov5640";
+		reg = <0x3c>;
+
+		clocks = <&clk_ov5640_fixed>;
+		clock-names = "xclk";
+		reset-gpios = <&exp5 0 GPIO_ACTIVE_LOW>;
+
+		port {
+			csi2_cam0: endpoint {
+				remote-endpoint = <&csi2rx0_in_sensor>;
+				clock-lanes = <0>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
 };
 
 &mcasp10 {
@@ -999,3 +1022,12 @@ &main_mcan12 {
 &main_mcan13 {
 	status = "disabled";
 };
+
+&csi2_0 {
+	csi2rx0_in_sensor: endpoint {
+		remote-endpoint = <&csi2_cam0>;
+		bus-type = <4>; /* CSI2 DPHY. */
+		clock-lanes = <0>;
+		data-lanes = <1 2>;
+	};
+};

arch/arm64/boot/dts/ti/k3-j721e-main.dtsi

@@ -2422,4 +2422,36 @@ main_mcan13: can@27d1000 {
 		bosch,mram-cfg = <0x0 0 0 32 0 0 1 1>;
 	};
 
+	ti_csi2rx0: ticsi2rx@4500000 {
+		compatible = "ti,csi2rx";
+		dmas = <&main_udmap 0x4940>;
+		dma-names = "rx0";
+		reg = <0x0 0x4500000 0x0 0x1000>;
+		power-domains = <&k3_pds 26 TI_SCI_PD_EXCLUSIVE>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		cdns_csi2rx: csi-bridge@4504000 {
+			compatible = "cdns,csi2rx";
+			reg = <0x0 0x4504000 0x0 0x1000>;
+			clocks = <&k3_clks 26 2>, <&k3_clks 26 0>, <&k3_clks 26 2>,
+				<&k3_clks 26 2>, <&k3_clks 26 3>, <&k3_clks 26 3>;
+			clock-names = "sys_clk", "p_clk", "pixel_if0_clk",
+				"pixel_if1_clk", "pixel_if2_clk", "pixel_if3_clk";
+			phys = <&dphy0>;
+			phy-names = "dphy";
+
+			ports {
+				csi2_0: port { };
+			};
+		};
+	};
+
+	dphy0: phy@4580000 {
+		compatible = "cdns,dphy";
+		reg = <0x0 0x4580000 0x0 0x1100>;
+		#phy-cells = <0>;
+		power-domains = <&k3_pds 147 TI_SCI_PD_EXCLUSIVE>;
+	};
 };