arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/fsl-lx2160a-rdb.dts
Extension
.dts
Size
5737 bytes
Lines
343
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)
//
// Device Tree file for LX2160ARDB
//
// Copyright 2018-2020 NXP

/dts-v1/;

#include "fsl-lx2160a-rev2.dtsi"

/ {
	model = "NXP Layerscape LX2160ARDB";
	compatible = "fsl,lx2160a-rdb", "fsl,lx2160a";

	aliases {
		crypto = &crypto;
		mmc0 = &esdhc0;
		mmc1 = &esdhc1;
		serial0 = &uart0;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	sb_3v3: regulator-sb3v3 {
		compatible = "regulator-fixed";
		regulator-name = "MC34717-3.3VSB";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	sfp2: sfp-2 {
		compatible = "sff,sfp";
		i2c-bus = <&sfp2_i2c>;
		maximum-power-milliwatt = <2000>;
		/* Leave commented out if using DPMAC_LINK_TYPE_FIXED mode */
		/* tx-disable-gpios = <&sfp2_csr 0 GPIO_ACTIVE_HIGH>; */
		los-gpios = <&sfp2_csr 4 GPIO_ACTIVE_HIGH>;
		tx-fault-gpios = <&sfp2_csr 5 GPIO_ACTIVE_HIGH>;
		mod-def0-gpios = <&sfp2_csr 7 GPIO_ACTIVE_LOW>;
	};

	sfp3: sfp-3 {
		compatible = "sff,sfp";
		i2c-bus = <&sfp3_i2c>;
		maximum-power-milliwatt = <2000>;
		/* Leave commented out if using DPMAC_LINK_TYPE_FIXED mode */
		/* tx-disable-gpios = <&sfp3_csr 0 GPIO_ACTIVE_HIGH>; */
		los-gpios = <&sfp3_csr 4 GPIO_ACTIVE_HIGH>;
		tx-fault-gpios = <&sfp3_csr 5 GPIO_ACTIVE_HIGH>;
		mod-def0-gpios = <&sfp3_csr 7 GPIO_ACTIVE_LOW>;
	};
};

&crypto {
	status = "okay";
};

&dpmac3 {
	phy-handle = <&aquantia_phy1>;
	phy-connection-type = "usxgmii";
	managed = "in-band-status";
};

&dpmac4 {
	phy-handle = <&aquantia_phy2>;
	phy-connection-type = "usxgmii";

Annotation

Implementation Notes