arch/arm64/boot/dts/microchip/lan9696-ev23x71a.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/microchip/lan9696-ev23x71a.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/microchip/lan9696-ev23x71a.dts
Extension
.dts
Size
15179 bytes
Lines
757
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) 2025 Microchip Technology Inc. and its subsidiaries.
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include "lan9691.dtsi"

/ {
	model = "Microchip EV23X71A";
	compatible = "microchip,ev23x71a", "microchip,lan9696", "microchip,lan9691";

	aliases {
		serial0 = &usart0;
	};

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

	gpio-restart {
		compatible = "gpio-restart";
		gpios = <&gpio 60 GPIO_ACTIVE_LOW>;
		open-source;
		priority = <200>;
	};

	i2c-mux {
		compatible = "i2c-mux-gpio";
		#address-cells = <1>;
		#size-cells = <0>;
		i2c-parent = <&i2c3>;
		idle-state = <0x8>;
		mux-gpios = <&sgpio_out 0 1 GPIO_ACTIVE_HIGH>,
			    <&sgpio_out 0 2 GPIO_ACTIVE_HIGH>,
			    <&sgpio_out 0 3 GPIO_ACTIVE_HIGH>;
		settle-time-us = <100>;

		i2c_sfp0: i2c@0 {
			reg = <0x0>;
		};

		i2c_sfp1: i2c@1 {
			reg = <0x1>;
		};

		i2c_sfp2: i2c@2 {
			reg = <0x2>;
		};

		i2c_sfp3: i2c@3 {
			reg = <0x3>;
		};

		i2c_poe: i2c@7 {
			reg = <0x7>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led-status {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_STATUS;
			gpios = <&gpio 61 GPIO_ACTIVE_LOW>;
		};

Annotation

Implementation Notes