arch/arm64/boot/dts/freescale/imx8mp-beacon-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mp-beacon-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mp-beacon-som.dtsi
Extension
.dtsi
Size
11463 bytes
Lines
497
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)
/*
 * Copyright 2023 LogicPD, Inc. dba Beacon EmbeddedWorks
 */

/ {
	aliases {
		rtc0 = &rtc;
		rtc1 = &snvs_rtc;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x0 0x40000000 0 0xc0000000>,
		      <0x1 0x00000000 0 0xc0000000>;
	};

	reg_wl_bt: regulator-wifi-bt {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_wl_bt>;
		regulator-name = "wl-bt-pow-dwn";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio2 6 GPIO_ACTIVE_LOW>;
		startup-delay-us = <70000>;
		regulator-always-on;
	};
};

&A53_0 {
	cpu-supply = <&buck2>;
};

&A53_1 {
	cpu-supply = <&buck2>;
};

&A53_2 {
	cpu-supply = <&buck2>;
};

&A53_3 {
	cpu-supply = <&buck2>;
};

&eqos {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_eqos>;
	phy-mode = "rgmii-id";
	phy-handle = <&ethphy0>;
	snps,force_thresh_dma_mode;
	snps,mtl-rx-config = <&mtl_rx_setup>;
	snps,mtl-tx-config = <&mtl_tx_setup>;
	status = "okay";

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		ethphy0: ethernet-phy@3 {
			compatible = "ethernet-phy-id0022.1640";
			reg = <3>;
			reset-gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
			interrupt-parent = <&gpio1>;
			interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
		};
	};

Annotation

Implementation Notes