sam9x75eb_isc_imx219.dtso

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Device Tree file for SAM9X75EB board overlay blob
 * for ISC with imx219 sensor. The blob uses isc and i2c10
 *
 * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
 * Author: Balamanikandan Gunasundar <balamanikandan.gunasundar@microchip.com>
 *
 */
/dts-v1/;
/plugin/;

#include <dt-bindings/pinctrl/at91.h>
#include <dt-bindings/gpio/gpio.h>

&csi_dphy {
	status = "okay";
};

&{/} {
	vana_imx219: fixed-regulator-vana {
		compatible = "regulator-fixed";

		regulator-name = "VANA-supply";
		regulator-min-microvolt = <2800000>;
		regulator-max-microvolt = <2800000>;
		regulator-always-on;
		regulator-boot-on;
		status = "okay";
	};

	vdig_imx219: fixed-regulator-vdig {
		compatible = "regulator-fixed";

		regulator-name = "VDIG-supply";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vana_imx219>;
		status = "okay";
	};

	vddl_imx219: fixed-regulator-vddl {
		compatible = "regulator-fixed";

		regulator-name = "VDDL-supply";
		regulator-min-microvolt = <1200000>;
		regulator-max-microvolt = <1200000>;
		regulator-always-on;
		regulator-boot-on;
		vin-supply = <&vana_imx219>;
		status = "okay";
	};
};

&csi2host {
	#address-cells = <1>;
	#size-cells = <0>;

	status = "okay";

	port@1 {
		reg = <1>;
		csi2host_in: endpoint {
			remote-endpoint = <&imx219_out>;
			data-lanes = <1 2>;
			bus-type = <4>;
			clock-lanes = <0>;
		};
	};

	port@2 {
		reg = <2>;
		csi2host_out: endpoint {
			remote-endpoint = <&csi2dc_in>;
		};
	};
};

&csi2dc {
	status = "okay";

	ports {
		port@0 {
			csi2dc_in: endpoint {
				remote-endpoint = <&csi2host_out>;
				bus-type = <4>; /* MIPI CSI2 D-PHY */
			};
		};
	};
};

&dsi {
	status = "disabled";
};

&i2c10 {
	/*
	 * Camera sensor add-on board Raspberry Pi v2.1 Camera extension
	 *
	 * Sensor i2c address is fixed at 0x10
	 *
	 * 24 Mhz crystal is soldered on the board and hardwired to sensor
	 *
	 * Power supplies are present on the board and supplied by 3v3
	 * rail from sam9x75eb PMIC
	 */

	#address-cells = <1>;
	#size-cells = <0>;

	imx219: camera@10 {
		compatible = "sony,imx219";
		reg = <0x10>;
		clocks = <&imx219_clk>;
		clock-names = "xclk";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_sensor_reset>;
		VANA-supply = <&vana_imx219>; /* 2.8v */
		VDIG-supply = <&vdig_imx219>; /* 1.8v */
		VDDL-supply = <&vddl_imx219>; /* 1.2v */
		reset-gpios = <&pioC 14 GPIO_ACTIVE_HIGH>;
		status = "okay";

		imx219_clk: camera-clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <24000000>;
		};

		port {
			imx219_out: endpoint {
				remote-endpoint = <&csi2host_in>;
				clock-lanes = <0>;
				data-lanes = <1 2>;
				link-frequencies = /bits/ 64 <456000000>;
				clock-noncontinuous;
			};
		};
	};
};

&pinctrl {
	csi {
		pinctrl_sensor_reset: sensor_reset {
			atmel,pins = <AT91_PIOC 14 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
		};
	};
};

&xisc {
	microchip,mipi-mode;
	status = "okay";
};