arch/arm64/boot/dts/ti/k3-j721e-common-proc-board-infotainment.dtso

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board-infotainment.dtso

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/ti/k3-j721e-common-proc-board-infotainment.dtso
Extension
.dtso
Size
4767 bytes
Lines
174
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
/*
 * Infotainment Expansion Board for j721e-evm
 * User Guide: <https://www.ti.com/lit/ug/spruit0a/spruit0a.pdf>
 *
 * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>

#include "k3-pinctrl.h"

&{/} {
	connector-hdmi {
		compatible = "hdmi-connector";
		label = "hdmi";
		type = "a";
		ddc-i2c-bus = <&main_i2c1>;
		/* P12 - HDMI_HPD */
		hpd-gpios = <&exp6 10 GPIO_ACTIVE_HIGH>;

		port {
			hdmi_connector_in: endpoint {
				remote-endpoint = <&tfp410_out>;
			};
		};
	};

	bridge-dvi {
		compatible = "ti,tfp410";
		/* P10 - HDMI_PDn */
		powerdown-gpios = <&exp6 8 GPIO_ACTIVE_LOW>;
		ti,deskew = <0>;

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

			port@0 {
				reg = <0>;

				tfp410_in: endpoint {
					remote-endpoint = <&dpi_out0>;
					pclk-sample = <1>;
				};
			};

			port@1 {
				reg = <1>;

				tfp410_out: endpoint {
					remote-endpoint =
						<&hdmi_connector_in>;
				};
			};
		};
	};
};

&main_pmx0 {
	main_i2c1_exp6_pins_default: main-i2c1-exp6-default-pins {
		pinctrl-single,pins = <
			J721E_IOPAD(0x264, PIN_INPUT, 7) /* (T29) MMC2_DAT2.GPIO1_24 */
		>;
	};

Annotation

Implementation Notes