arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/apple/t600x-j314-j316.dtsi
Extension
.dtsi
Size
6418 bytes
Lines
370
Domain
Architecture Layer
Bucket
arch/arm64
Inferred role
Architecture Layer: configuration, schema, or hardware description
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+ OR MIT
/*
 * MacBook Pro (14/16-inch, 2021)
 *
 * This file contains the parts common to J314 and J316 devices with both t6000 and t6001.
 *
 * target-type: J314s / J314c / J316s / J316c
 *
 * Copyright The Asahi Linux Contributors
 */

#include <dt-bindings/leds/common.h>

/ {
	chassis-type = "laptop";

	aliases {
		atcphy0 = &atcphy0;
		atcphy1 = &atcphy1;
		atcphy2 = &atcphy2;
		atcphy3 = &atcphy3;
		bluetooth0 = &bluetooth0;
		serial0 = &serial0;
		wifi0 = &wifi0;
	};

	chosen {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		stdout-path = "serial0";

		framebuffer0: framebuffer@0 {
			compatible = "apple,simple-framebuffer", "simple-framebuffer";
			reg = <0 0 0 0>; /* To be filled by loader */
			/* Format properties will be added by loader */
			status = "disabled";
		};
	};

	memory@10000000000 {
		device_type = "memory";
		reg = <0x100 0 0x2 0>; /* To be filled by loader */
	};

	led-controller {
		compatible = "pwm-leds";
		led-0 {
			pwms = <&fpwm0 0 40000>;
			label = "kbd_backlight";
			function = LED_FUNCTION_KBD_BACKLIGHT;
			color = <LED_COLOR_ID_WHITE>;
			max-brightness = <255>;
			default-state = "keep";
		};
	};
};

&serial0 {
	status = "okay";
};

/* USB Type C */
&i2c0 {
	hpm0: usb-pd@38 {
		compatible = "apple,cd321x";
		reg = <0x38>;
		interrupt-parent = <&pinctrl_ap>;
		interrupts = <174 IRQ_TYPE_LEVEL_LOW>;

Annotation

Implementation Notes