arch/arm64/boot/dts/ti/k3-j721e-sk-csi2-dual-imx219.dtso

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-j721e-sk-csi2-dual-imx219.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-j721e-sk-csi2-dual-imx219.dtso
Extension
.dtso
Size
3415 bytes
Lines
197
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: arch/arm64
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only OR MIT
/**
 * DT Overlay for dual RPi Camera V2.1 (Sony IMX219) interfaced with CSI2
 * on J721E SK, AM68 SK or AM69-SK board.
 * https://datasheets.raspberrypi.org/camera/camera-v2-schematic.pdf
 *
 * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;
/plugin/;

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

&{/} {
	clk_imx219_fixed: imx219-xclk {
		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 = <&vdd_sd_dv>;
		regulator-always-on;
	};

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

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

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

/* CAM0 I2C */
&cam0_i2c {
	#address-cells = <1>;
	#size-cells = <0>;
	imx219_0: imx219-0@10 {
		compatible = "sony,imx219";
		reg = <0x10>;

		clocks = <&clk_imx219_fixed>;
		VANA-supply = <&reg_2p8v>;
		VDIG-supply = <&reg_1p8v>;
		VDDL-supply = <&reg_1p2v>;

		port {
			csi2_cam0: endpoint {
				remote-endpoint = <&csi2rx0_in_sensor>;

Annotation

Implementation Notes