arch/arm/boot/dts/microchip/lan966x.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/microchip/lan966x.dtsi
Extension
.dtsi
Size
15632 bytes
Lines
616
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.dtsi - Device Tree Include file for Microchip LAN966 family SoC
 *
 * Copyright (C) 2021 Microchip Technology, Inc. and its subsidiaries
 *
 * Author: Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>
 *
 */

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/mfd/atmel-flexcom.h>
#include <dt-bindings/dma/at91.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/clock/microchip,lan966x.h>

/ {
	model = "Microchip LAN966 family SoC";
	compatible = "microchip,lan966";
	interrupt-parent = <&gic>;
	#address-cells = <1>;
	#size-cells = <1>;

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a7";
			clock-frequency = <600000000>;
			reg = <0x0>;
		};
	};

	clocks {
		sys_clk: sys_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <165625000>;
		};

		cpu_clk: cpu_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <600000000>;
		};

		ddr_clk: ddr_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <300000000>;
		};

		nic_clk: nic_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <200000000>;
		};
	};

	clks: clock-controller@e00c00a8 {
		compatible = "microchip,lan966x-gck";
		#clock-cells = <1>;
		clocks = <&cpu_clk>, <&ddr_clk>, <&sys_clk>;
		clock-names = "cpu", "ddr", "sys";
		reg = <0xe00c00a8 0x38>, <0xe00c02cc 0x4>;
	};

Annotation

Implementation Notes