linux-loongson/arch/arm64/boot/dts/ti/k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtso

// SPDX-License-Identifier: GPL-2.0-only OR MIT
/*
 * DT Overlay for 4 x RPi Camera V2.1 on J722S-EVM board.
 *
 * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Schematics: https://datasheets.raspberrypi.com/camera/camera-v2-schematics.pdf
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include "k3-pinctrl.h"

&main_pmx0 {
	cam0_reset_pins_default: cam0-default-reset-pins {
		pinctrl-single,pins = <
			J722S_IOPAD(0x03c, PIN_OUTPUT, 7) /* (R22) GPIO0_15 */
		>;
	};

	cam1_reset_pins_default: cam1-default-reset-pins {
		pinctrl-single,pins = <
			J722S_IOPAD(0x044, PIN_OUTPUT, 7) /* (R26) GPIO0_17 */
		>;
	};

	cam2_reset_pins_default: cam2-default-reset-pins {
		pinctrl-single,pins = <
			J722S_IOPAD(0x04c, PIN_OUTPUT, 7) /* (T25) GPIO0_19 */
		>;
	};

	cam3_reset_pins_default: cam3-default-reset-pins {
		pinctrl-single,pins = <
			J722S_IOPAD(0x054, PIN_OUTPUT, 7) /* (T21) GPIO0_21 */
		>;
	};
};

&{/} {
	clk_imx219_fixed: clock-24000000 {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24000000>;
	};

	reg_2p8v: regulator-2p8v {
		compatible = "regulator-fixed";
		regulator-name = "2P8V";
		regulator-min-microvolt = <2800000>;
		regulator-max-microvolt = <2800000>;
		vin-supply = <&vsys_3v3_exp>;
		regulator-always-on;
	};

	reg_1p8v: regulator-1p8v {
		compatible = "regulator-fixed";
		regulator-name = "1P8V";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vsys_3v3_exp>;
		regulator-always-on;
	};

	reg_1p2v: regulator-1p2v {
		compatible = "regulator-fixed";
		regulator-name = "1P2V";
		regulator-min-microvolt = <1200000>;
		regulator-max-microvolt = <1200000>;
		vin-supply = <&vsys_3v3_exp>;
		regulator-always-on;
	};
};

&csi01_mux {
	idle-state = <1>;
};

&csi23_mux {
	idle-state = <1>;
};

&pca9543_0 {
	#address-cells = <1>;
	#size-cells = <0>;

	/* CAM0 I2C */
	i2c@0 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0>;

		imx219_0: sensor@10 {
			compatible = "sony,imx219";
			reg = <0x10>;

			clocks = <&clk_imx219_fixed>;

			VANA-supply = <&reg_2p8v>;
			VDIG-supply = <&reg_1p8v>;
			VDDL-supply = <&reg_1p2v>;

			pinctrl-names = "default";
			pinctrl-0 = <&cam0_reset_pins_default>;

			reset-gpios = <&main_gpio0 15 GPIO_ACTIVE_HIGH>;

			port {
				csi2_cam0: endpoint {
					remote-endpoint = <&csi2rx0_in_sensor>;
					link-frequencies = /bits/ 64 <456000000>;
					clock-lanes = <0>;
					data-lanes = <1 2>;
				};
			};
		};
	};

	/* CAM1 I2C */
	i2c@1 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <1>;

		imx219_1: sensor@10 {
			compatible = "sony,imx219";
			reg = <0x10>;

			clocks = <&clk_imx219_fixed>;

			VANA-supply = <&reg_2p8v>;
			VDIG-supply = <&reg_1p8v>;
			VDDL-supply = <&reg_1p2v>;

			pinctrl-names = "default";
			pinctrl-0 = <&cam1_reset_pins_default>;

			reset-gpios = <&main_gpio0 17 GPIO_ACTIVE_HIGH>;

			port {
				csi2_cam1: endpoint {
					remote-endpoint = <&csi2rx1_in_sensor>;
					link-frequencies = /bits/ 64 <456000000>;
					clock-lanes = <0>;
					data-lanes = <1 2>;
				};
			};
		};
	};
};

&pca9543_1 {
	#address-cells = <1>;
	#size-cells = <0>;

	/* CAM0 I2C */
	i2c@0 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0>;

		imx219_2: sensor@10 {
			compatible = "sony,imx219";
			reg = <0x10>;

			clocks = <&clk_imx219_fixed>;

			VANA-supply = <&reg_2p8v>;
			VDIG-supply = <&reg_1p8v>;
			VDDL-supply = <&reg_1p2v>;

			pinctrl-names = "default";
			pinctrl-0 = <&cam2_reset_pins_default>;

			reset-gpios = <&main_gpio0 19 GPIO_ACTIVE_HIGH>;

			port {
				csi2_cam2: endpoint {
					remote-endpoint = <&csi2rx2_in_sensor>;
					link-frequencies = /bits/ 64 <456000000>;
					clock-lanes = <0>;
					data-lanes = <1 2>;
				};
			};
		};
	};

	/* CAM1 I2C */
	i2c@1 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <1>;

		imx219_3: sensor@10 {
			compatible = "sony,imx219";
			reg = <0x10>;

			clocks = <&clk_imx219_fixed>;

			VANA-supply = <&reg_2p8v>;
			VDIG-supply = <&reg_1p8v>;
			VDDL-supply = <&reg_1p2v>;

			pinctrl-names = "default";
			pinctrl-0 = <&cam3_reset_pins_default>;

			reset-gpios = <&main_gpio0 21 GPIO_ACTIVE_HIGH>;

			port {
				csi2_cam3: endpoint {
					remote-endpoint = <&csi2rx3_in_sensor>;
					link-frequencies = /bits/ 64 <456000000>;
					clock-lanes = <0>;
					data-lanes = <1 2>;
				};
			};
		};
	};
};

&cdns_csi2rx0 {
	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		csi0_port0: port@0 {
			reg = <0>;
			status = "okay";

			csi2rx0_in_sensor: endpoint {
				remote-endpoint = <&csi2_cam0>;
				bus-type = <4>; /* CSI2 DPHY */
				clock-lanes = <0>;
				data-lanes = <1 2>;
			};
		};
	};
};

&cdns_csi2rx1 {
	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		csi1_port0: port@0 {
			reg = <0>;
			status = "okay";

			csi2rx1_in_sensor: endpoint {
				remote-endpoint = <&csi2_cam1>;
				bus-type = <4>; /* CSI2 DPHY */
				clock-lanes = <0>;
				data-lanes = <1 2>;
			};
		};
	};
};

&cdns_csi2rx2 {
	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		csi2_port0: port@0 {
			reg = <0>;
			status = "okay";

			csi2rx2_in_sensor: endpoint {
				remote-endpoint = <&csi2_cam2>;
				bus-type = <4>; /* CSI2 DPHY */
				clock-lanes = <0>;
				data-lanes = <1 2>;
			};
		};
	};
};

&cdns_csi2rx3 {
	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		csi3_port0: port@0 {
			reg = <0>;
			status = "okay";

			csi2rx3_in_sensor: endpoint {
				remote-endpoint = <&csi2_cam3>;
				bus-type = <4>; /* CSI2 DPHY */
				clock-lanes = <0>;
				data-lanes = <1 2>;
			};
		};
	};
};

&ti_csi2rx0 {
	status = "okay";
};

&dphy0 {
	status = "okay";
};

&ti_csi2rx1 {
	status = "okay";
};

&dphy1 {
	status = "okay";
};

&ti_csi2rx2 {
	status = "okay";
};

&dphy2 {
	status = "okay";
};

&ti_csi2rx3 {
	status = "okay";
};

&dphy3 {
	status = "okay";
};