arch/powerpc/boot/dts/lite5200b.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/lite5200b.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/lite5200b.dts
Extension
.dts
Size
3191 bytes
Lines
158
Domain
Architecture Layer
Bucket
arch/powerpc
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-later
/*
 * Lite5200B board Device Tree Source
 *
 * Copyright 2006-2007 Secret Lab Technologies Ltd.
 * Grant Likely <grant.likely@secretlab.ca>
 */

/include/ "mpc5200b.dtsi"

&gpt0 { fsl,has-wdt; };
&gpt2 { gpio-controller; };
&gpt3 { gpio-controller; };

/ {
	model = "fsl,lite5200b";
	compatible = "fsl,lite5200b";

	leds {
		compatible = "gpio-leds";
		tmr2 {
			gpios = <&gpt2 0 1>;
		};
		tmr3 {
			gpios = <&gpt3 0 1>;
			linux,default-trigger = "heartbeat";
		};
		led1 { gpios = <&gpio_wkup 2 1>; };
		led2 { gpios = <&gpio_simple 3 1>; };
		led3 { gpios = <&gpio_wkup 3 1>; };
		led4 { gpios = <&gpio_simple 2 1>; };
	};

	memory@0 {
		reg = <0x00000000 0x10000000>;	// 256MB
	};

	soc5200@f0000000 {
		psc@2000 {		// PSC1
			compatible = "fsl,mpc5200b-psc-uart","fsl,mpc5200-psc-uart";
			cell-index = <0>;
		};

		psc@2200 {		// PSC2
			status = "disabled";
		};

		psc@2400 {		// PSC3
			status = "disabled";
		};

		psc@2600 {		// PSC4
			status = "disabled";
		};

		psc@2800 {		// PSC5
			status = "disabled";
		};

		psc@2c00 {		// PSC6
			status = "disabled";
		};

		// PSC2 in ac97 mode example
		//ac97@2200 {		// PSC2
		//	compatible = "fsl,mpc5200b-psc-ac97","fsl,mpc5200-psc-ac97";
		//	cell-index = <1>;
		//};

		// PSC3 in CODEC mode example

Annotation

Implementation Notes