arch/arm64/boot/dts/freescale/mba8xx.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/mba8xx.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/mba8xx.dtsi
Extension
.dtsi
Size
16031 bytes
Lines
583
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-later OR X11)
/*
 * Copyright 2018-2023 TQ-Systems GmbH <linux@ew.tq-group.com>,
 * D-82229 Seefeld, Germany.
 * Author: Alexander Stein
 */

#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/net/ti-dp83867.h>

/ {
	adc {
		compatible = "iio-hwmon";
		io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>;
	};

	aliases {
		rtc0 = &pcf85063;
		rtc1 = &rtc;
	};

	backlight_lvds: backlight-lvds {
		compatible = "pwm-backlight";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_bl_lvds>;
		pwms = <&adma_pwm 0 5000000 0>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <7>;
		power-supply = <&reg_12v0>;
		enable-gpios = <&lsio_gpio1 30 GPIO_ACTIVE_HIGH>;
		status = "disabled";
	};

	chosen {
		stdout-path = &lpuart1;
	};

	/* Non-controllable PCIe reference clock generator */
	pcie_refclk: clock-pcie-ref {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpiobuttons>;
		autorepeat;

		switch-a {
			label = "switcha";
			linux,code = <BTN_0>;
			gpios = <&lsio_gpio1 13 GPIO_ACTIVE_LOW>;
		};

		switch-b {
			label = "switchb";
			linux,code = <BTN_1>;
			gpios = <&lsio_gpio1 14 GPIO_ACTIVE_LOW>;
		};
	};

	gpio-leds {
		compatible = "gpio-leds";

		led1 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_STATUS;

Annotation

Implementation Notes