arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts

Source file repositories/reference/linux-study-clean/arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts

File Facts

System
Linux kernel
Corpus path
arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts
Extension
.dts
Size
7253 bytes
Lines
350
Domain
Architecture Layer
Bucket
arch/riscv
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)
/* Copyright (c) 2020-2021 Microchip Technology Inc */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "mpfs.dtsi"
#include "mpfs-beaglev-fire-fabric.dtsi"

/* Clock frequency (in Hz) of MTIMER */
#define MTIMER_FREQ		1000000

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	model = "BeagleBoard BeagleV-Fire";
	compatible = "beagle,beaglev-fire", "microchip,mpfs";

	aliases {
		serial0 = &mmuart0;
		serial1 = &mmuart1;
		serial2 = &mmuart2;
		serial3 = &mmuart3;
		serial4 = &mmuart4;
	};

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

	cpus {
		timebase-frequency = <MTIMER_FREQ>;
	};

	ddrc_cache_lo: memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x0 0x40000000>;
		status = "okay";
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		hss: hss-buffer@103fc00000 {
			compatible = "shared-dma-pool";
			reg = <0x10 0x3fc00000 0x0 0x400000>;
			no-map;
		};
	};

	imx219_clk: camera-clk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <24000000>;
	};

	imx219_vana: fixedregulator-0 {
		compatible = "regulator-fixed";
		regulator-name = "imx219_vana";
		regulator-min-microvolt = <2800000>;
		regulator-max-microvolt = <2800000>;
	};

	imx219_vdig: regulator-1v8 {
		compatible = "regulator-fixed";
		regulator-name = "imx219_vdig";
		regulator-min-microvolt = <1800000>;

Annotation

Implementation Notes