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

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-j722s-evm-csi2-quad-rpi-cam-imx219.dtso
Extension
.dtso
Size
5869 bytes
Lines
330
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 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>;

Annotation

Implementation Notes