arch/arm/boot/dts/marvell/orion5x-rd88f5182-nas.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/marvell/orion5x-rd88f5182-nas.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/marvell/orion5x-rd88f5182-nas.dts
Extension
.dts
Size
3184 bytes
Lines
174
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-only
// Copyright (C) 2014 Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include "orion5x-mv88f5182.dtsi"

/ {
	model = "Marvell Reference Design 88F5182 NAS";
	compatible = "marvell,rd-88f5182-nas", "marvell,orion5x-88f5182", "marvell,orion5x";

	memory {
		device_type = "memory";
		reg = <0x00000000 0x4000000>; /* 64 MB */
	};

	chosen {
		bootargs = "console=ttyS0,115200n8 earlyprintk";
		stdout-path = &uart0;
	};

	soc {
		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>,
		         <MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>,
			 <MBUS_ID(0x01, 0x0f) 0 0xf4000000 0x80000>,
			 <MBUS_ID(0x01, 0x1d) 0 0xfc000000 0x1000000>;
	};

	gpio-leds {
		compatible = "gpio-leds";
		pinctrl-0 = <&pmx_debug_led>;
		pinctrl-names = "default";

		led-0 {
			label = "rd88f5182:cpu";
			linux,default-trigger = "heartbeat";
			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
		};
	};
};

&devbus_bootcs {
	status = "okay";

	/* Read parameters */
	devbus,bus-width    = <8>;
	devbus,turn-off-ps  = <90000>;
	devbus,badr-skew-ps = <0>;
	devbus,acc-first-ps = <186000>;
	devbus,acc-next-ps  = <186000>;

	/* Write parameters */
	devbus,wr-high-ps  = <90000>;
	devbus,wr-low-ps   = <90000>;
	devbus,ale-wr-ps   = <90000>;

	flash@0 {
		compatible = "cfi-flash";
		reg = <0 0x80000>;
		bank-width = <1>;
	};
};

&devbus_cs1 {
	status = "okay";

	/* Read parameters */
	devbus,bus-width    = <8>;
	devbus,turn-off-ps  = <90000>;

Annotation

Implementation Notes