arch/arm/boot/dts/samsung/exynos4412-prime.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/samsung/exynos4412-prime.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/samsung/exynos4412-prime.dtsi
Extension
.dtsi
Size
959 bytes
Lines
48
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
/*
 * Samsung's Exynos4412 Prime SoC device tree source
 *
 * Copyright (c) 2016 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 */

/*
 * Exynos4412 Prime SoC revision supports higher CPU frequencies than
 * non-Prime version.  Therefore we need to update OPPs table and
 * thermal maps accordingly.
 */

&cpu0_opp_1500 {
	/delete-property/turbo-mode;
};

&cpu0_opp_table {
	opp-1600000000 {
		opp-hz = /bits/ 64 <1600000000>;
		opp-microvolt = <1350000>;
		clock-latency-ns = <200000>;
	};
	opp-1704000000 {
		opp-hz = /bits/ 64 <1704000000>;
		opp-microvolt = <1350000>;
		clock-latency-ns = <200000>;
	};
};

&cooling_map0 {
	cooling-device = <&cpu0 9 9>, <&cpu1 9 9>,
			 <&cpu2 9 9>, <&cpu3 9 9>;
};

&cooling_map1 {
	cooling-device = <&cpu0 15 15>, <&cpu1 15 15>,
			 <&cpu2 15 15>, <&cpu3 15 15>;
};

&gpu_opp_table {
	opp-533000000 {
		opp-hz = /bits/ 64 <533000000>;
		opp-microvolt = <1075000>;
	};
};

Annotation

Implementation Notes