arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts
Extension
.dts
Size
1111 bytes
Lines
50
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+
/*
 * Device Tree file for the Kontron SMARC-sAL28 board.
 *
 * This is for the network variant 4 which has two ethernet ports. It
 * extends the base and provides one more port connected via RGMII.
 *
 * Copyright (C) 2021 Michael Walle <michael@walle.cc>
 *
 */

/dts-v1/;
#include "fsl-ls1028a-kontron-sl28.dts"
#include <dt-bindings/net/qca-ar803x.h>

/ {
	model = "Kontron SMARC-sAL28 (Dual PHY)";
	compatible = "kontron,sl28-var4", "kontron,sl28", "fsl,ls1028a";
};

&enetc_mdio_pf3 {
	phy1: ethernet-phy@4 {
		reg = <0x4>;
		eee-broken-1000t;
		eee-broken-100tx;
		qca,clk-out-frequency = <125000000>;
		qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
		qca,keep-pll-enabled;
		vddio-supply = <&vddio>;

		vddio: vddio-regulator {
			regulator-name = "VDDIO";
			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <1800000>;
		};

		vddh: vddh-regulator {
			regulator-name = "VDDH";
		};
	};
};

&enetc_port1 {
	phy-handle = <&phy1>;
	phy-mode = "rgmii-id";
	nvmem-cells = <&base_mac_address 1>;
	nvmem-cell-names = "mac-address";
	status = "okay";
};

Annotation

Implementation Notes