arch/arm/boot/dts/samsung/exynos5422-odroidxu3-lite.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos5422-odroidxu3-lite.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos5422-odroidxu3-lite.dts
Extension
.dts
Size
2371 bytes
Lines
128
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
/*
 * Hardkernel Odroid XU3-Lite board device tree source
 *
 * Copyright (c) 2015 Krzysztof Kozlowski
 * Copyright (c) 2014 Collabora Ltd.
 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 */

/dts-v1/;
#include "exynos5422-odroidxu3-common.dtsi"
#include "exynos5422-odroidxu3-audio.dtsi"
#include "exynos54xx-odroidxu-leds.dtsi"

/ {
	model = "Hardkernel Odroid XU3 Lite";
	compatible = "hardkernel,odroid-xu3-lite", "samsung,exynos5800", "samsung,exynos5";

	aliases {
		ethernet = &ethernet;
	};
};

&arm_a7_pmu {
	status = "disabled";
};

&arm_a15_pmu {
	status = "disabled";
};

&chipid {
	samsung,asv-bin = <2>;
};

/*
 * Odroid XU3-Lite board uses SoC revision with lower maximum frequencies
 * than Odroid XU3/XU4 boards: 1.8 GHz for A15 cores & 1.3 GHz for A7 cores.
 * Therefore we need to update OPPs tables and thermal maps accordingly.
 */
&cluster_a15_opp_table {
	/delete-node/opp-2000000000;
	/delete-node/opp-1900000000;
};

&cluster_a7_opp_table {
	/delete-node/opp-1400000000;
};

&cpu0_cooling_map4 {
	cooling-device = <&cpu0 3 7>,
			 <&cpu1 3 7>,
			 <&cpu2 3 7>,
			 <&cpu3 3 7>,
			 <&cpu4 3 12>,
			 <&cpu5 3 12>,
			 <&cpu6 3 12>,
			 <&cpu7 3 12>;
};

&cpu1_cooling_map4 {
	cooling-device = <&cpu0 3 7>,
			 <&cpu1 3 7>,
			 <&cpu2 3 7>,
			 <&cpu3 3 7>,
			 <&cpu4 3 12>,
			 <&cpu5 3 12>,
			 <&cpu6 3 12>,
			 <&cpu7 3 12>;

Annotation

Implementation Notes