arch/arm/boot/dts/microchip/lan966x-pcb8309.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/microchip/lan966x-pcb8309.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/lan966x-pcb8309.dts
Extension
.dts
Size
4148 bytes
Lines
231
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+ OR MIT)
/*
 * lan966x_pcb8309.dts - Device Tree file for PCB8309
 */
/dts-v1/;
#include "lan966x.dtsi"
#include "dt-bindings/phy/phy-lan966x-serdes.h"

/ {
	model = "Microchip EVB - LAN9662";
	compatible = "microchip,lan9662-pcb8309", "microchip,lan9662", "microchip,lan966";

	aliases {
		serial0 = &usart3;
		i2c102 = &i2c102;
		i2c103 = &i2c103;
	};

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

	gpio-restart {
		compatible = "gpio-restart";
		gpios = <&gpio 56 GPIO_ACTIVE_LOW>;
		priority = <200>;
	};

	i2c-mux {
		compatible = "i2c-mux";
		#address-cells = <1>;
		#size-cells = <0>;
		mux-controls = <&mux>;
		i2c-parent = <&i2c4>;

		i2c102: i2c-sfp@1 {
			reg = <1>;
		};

		i2c103: i2c-sfp@2 {
			reg = <2>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led-s0-green {
			label = "s0:green";
			gpios = <&sgpio_out 2 0 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led-s0-red {
			label = "s0:red";
			gpios = <&sgpio_out 2 1 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led-s1-green {
			label = "s1:green";
			gpios = <&sgpio_out 3 0 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

		led-s1-red {
			label = "s1:red";
			gpios = <&sgpio_out 3 1 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};

Annotation

Implementation Notes