arch/arm/boot/dts/cirrus/ep93xx-edb9302.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/cirrus/ep93xx-edb9302.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/cirrus/ep93xx-edb9302.dts
Extension
.dts
Size
3050 bytes
Lines
182
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 OR BSD-2-Clause
/*
 * Device Tree file for Cirrus Logic EDB9302 board based on EP9302 SoC
 */
/dts-v1/;
#include "ep93xx.dtsi"

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "cirrus,edb9302", "cirrus,ep9301";
	model = "cirrus,edb9302";

	chosen {
	};

	memory@0 {
		device_type = "memory";
		/* should be set from ATAGS */
		reg = <0x0000000 0x800000>,
		      <0x1000000 0x800000>,
		      <0x4000000 0x800000>,
		      <0x5000000 0x800000>;
	};

	sound {
		compatible = "audio-graph-card2";
		label = "EDB93XX";
		links = <&i2s_port>;
	};

	leds {
		compatible = "gpio-leds";
		led-0 {
			label = "grled";
			gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			function = LED_FUNCTION_HEARTBEAT;
		};

		led-1 {
			label = "rdled";
			gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>;
			function = LED_FUNCTION_FAULT;
		};
	};
};

&adc {
	status = "okay";
};

&ebi {
	flash@60000000 {
		compatible = "cfi-flash";
		reg = <0x60000000 0x1000000>;
		bank-width = <2>;
	};
};

&eth0 {
	phy-handle = <&phy0>;
};

&gpio0 {
	gpio-ranges = <&syscon 0 153 1>,
		      <&syscon 1 152 1>,
		      <&syscon 2 151 1>,
		      <&syscon 3 148 1>,
		      <&syscon 4 147 1>,

Annotation

Implementation Notes