arch/arm/boot/dts/gemini/gemini-ns2502.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/gemini/gemini-ns2502.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/gemini/gemini-ns2502.dts
Extension
.dts
Size
1999 bytes
Lines
124
Domain
Architecture Layer
Bucket
arch/arm
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
/*
 * Copyright (C) 2021 Corentin Labbe <clabbe@baylibre.com>
 * Device Tree file for Edimax NS 2502
 */

/dts-v1/;

#include "gemini.dtsi"

/ {
	model = "Edimax NS-2502";
	compatible = "edimax,ns-2502", "cortina,gemini";
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 {
		/* 128 MB */
		device_type = "memory";
		reg = <0x00000000 0x8000000>;
	};

	aliases {
		mdio-gpio0 = &mdio0;
	};

	chosen {
		bootargs = "console=ttyS0,19200n8";
		stdout-path = &uart0;
	};

	mdio0: mdio {
		compatible = "virtual,mdio-gpio";
		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
		#address-cells = <1>;
		#size-cells = <0>;

		phy0: ethernet-phy@1 {
			reg = <1>;
			device_type = "ethernet-phy";
		};
	};
};

&ethernet {
	status = "okay";
	ethernet-port@0 {
		phy-mode = "rgmii-id";
		phy-handle = <&phy0>;
	};
};

&flash {
	status = "okay";
	/* 8MB of flash */
	reg = <0x30000000 0x00800000>;

	pinctrl-names = "enabled", "disabled";
	pinctrl-0 = <&pflash_default_pins>;
	pinctrl-1 = <&pflash_disabled_pins>;

	partitions {
		compatible = "redboot-fis";
		/* Eraseblock at 0x7e0000 */
		fis-index-block = <0x3f>;
	};
};

&gpio0 {

Annotation

Implementation Notes