arm64: dts: rockchip: hook up camera on px30-evb

Enable the isp and csi phy on px30-evb and connect it to the board's
ov5695 camera.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Link: https://lore.kernel.org/r/20210830141318.66744-2-heiko@sntech.deSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/px30-evb.dts

@@ -114,6 +114,10 @@ &cpu3 {
 	cpu-supply = <&vdd_arm>;
 };
 
+&csi_dphy {
+	status = "okay";
+};
+
 &display_subsystem {
 	status = "okay";
 };
@@ -428,6 +432,36 @@ sensor@4c {
 	};
 };
 
+&i2c2 {
+	status = "okay";
+
+	clock-frequency = <100000>;
+
+	/* These are relatively safe rise/fall times; TODO: measure */
+	i2c-scl-falling-time-ns = <50>;
+	i2c-scl-rising-time-ns = <300>;
+
+	ov5695: ov5695@36 {
+		compatible = "ovti,ov5695";
+		reg = <0x36>;
+		avdd-supply = <&vcc2v8_dvp>;
+		clocks = <&cru SCLK_CIF_OUT>;
+		clock-names = "xvclk";
+		dvdd-supply = <&vcc1v5_dvp>;
+		dovdd-supply = <&vcc1v8_dvp>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&cif_clkout_m0>;
+		reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
+
+		port {
+			ucam_out: endpoint {
+				remote-endpoint = <&mipi_in_ucam>;
+				data-lanes = <1 2>;
+			};
+		};
+	};
+};
+
 &i2s1_2ch {
 	status = "okay";
 };
@@ -443,6 +477,24 @@ &io_domains {
 	vccio6-supply = <&vccio_flash>;
 };
 
+&isp {
+	status = "okay";
+
+	ports {
+		port@0 {
+			mipi_in_ucam: endpoint@0 {
+				reg = <0>;
+				data-lanes = <1 2>;
+				remote-endpoint = <&ucam_out>;
+			};
+		};
+	};
+};
+
+&isp_mmu {
+	status = "okay";
+};
+
 &pinctrl {
 	headphone {
 		hp_det: hp-det {