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arm64: dts: k3-j721e: Add BBAI64 CSI1 IMX219 camera overlay #92

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arm64: dts: k3-j721e: Add BBAI64 CSI1 IMX219 camera overlay #92

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90 changes: 90 additions & 0 deletions src/arm64/overlays/BBAI64-CSI1-imx219.dts
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// SPDX-License-Identifier: GPL-2.0

Copilot AI Dec 10, 2025

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The SPDX license identifier should be GPL-2.0-only OR MIT to match all other BeagleBone AI-64 overlays in this directory (e.g., k3-j721e-beagleboneai64-pwm-epwm0-p8_13.dtso, k3-j721e-beagleboneai64-BBORG_MOTOR.dtso). This ensures license consistency across the overlay collection.

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// SPDX-License-Identifier: GPL-2.0
// SPDX-License-Identifier: GPL-2.0-only OR MIT

Copilot uses AI. Check for mistakes.
/*
* DT Overlay for RPi Camera V2.1 (IMX219) on CSI1 connector
* of BeagleBone AI-64 board.
*
* Copyright (C) 2025 BeagleBoard.org Foundation
*
* Camera Schematics: https://datasheets.raspberrypi.com/camera/camera-v2-schematics.pdf
*/

/dts-v1/;
/plugin/;

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

/*
* Helper to show loaded overlays under: /proc/device-tree/chosen/overlays/
*/
&{/chosen} {
overlays {
BBAI64-CSI1-imx219.kernel = __TIMESTAMP__;
};
};

&{/} {
clk_csi1_imx219_fixed: csi1-imx219-xclk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24000000>;
};
};

&main_gpio0 {
status = "okay";
};

&main_i2c6 {
status = "okay";
#address-cells = <1>;
#size-cells = <0>;

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

clocks = <&clk_csi1_imx219_fixed>;
clock-names = "xclk";

pinctrl-names = "default";
pinctrl-0 = <&csi1_gpio_pins_default>;

enable-gpios = <&main_gpio0 101 GPIO_ACTIVE_HIGH>;

port {
csi2_cam1: endpoint {
remote-endpoint = <&csi2rx1_in_sensor>;
link-frequencies = /bits/ 64 <456000000>;
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>;
};
};
};
};

&ti_csi2rx1 {
status = "okay";
};

&dphy1 {
status = "okay";
};