arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-phycore-som.dtsi
Extension
.dtsi
Size
10846 bytes
Lines
461
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 MIT)
/*
 * Copyright (C) 2022 PHYTEC Messtechnik GmbH
 */

#include "imx8mm.dtsi"
#include <dt-bindings/net/ti-dp83867.h>

/ {
	model = "PHYTEC phyCORE-i.MX8MM";
	compatible = "phytec,imx8mm-phycore-som", "fsl,imx8mm";

	aliases {
		rtc0 = &rv3028;
		rtc1 = &snvs_rtc;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x0 0x40000000 0 0x80000000>;
	};

	reg_vdd_3v3_s: regulator-vdd-3v3-s {
		compatible = "regulator-fixed";
		regulator-always-on;
		regulator-boot-on;
		regulator-max-microvolt = <3300000>;
		regulator-min-microvolt = <3300000>;
		regulator-name = "VDD_3V3_S";
	};
};

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

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

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

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

&ddrc {
	operating-points-v2 = <&ddrc_opp_table>;

	ddrc_opp_table: opp-table {
		compatible = "operating-points-v2";

		opp-25000000 {
			opp-hz = /bits/ 64 <25000000>;
		};

		opp-100000000 {
			opp-hz = /bits/ 64 <100000000>;
		};

		opp-750000000 {
			opp-hz = /bits/ 64 <750000000>;
		};
	};
};

/* Ethernet */
&fec1 {

Annotation

Implementation Notes