arch/arm/boot/dts/synaptics/berlin2.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/synaptics/berlin2.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/synaptics/berlin2.dtsi
Extension
.dtsi
Size
11752 bytes
Lines
541
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 OR MIT)
/*
 * Device Tree Include file for Marvell Armada 1500 (Berlin BG2) SoC
 *
 * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
 *
 * based on GPL'ed 2.6 kernel sources
 *  (c) Marvell International Ltd.
 */

#include <dt-bindings/clock/berlin2.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>

/ {
	model = "Marvell Armada 1500 (BG2) SoC";
	compatible = "marvell,berlin2", "marvell,berlin";
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		enable-method = "marvell,berlin-smp";

		cpu@0 {
			compatible = "marvell,pj4b";
			device_type = "cpu";
			next-level-cache = <&l2>;
			reg = <0>;

			clocks = <&chip_clk CLKID_CPU>;
			clock-latency = <100000>;
			operating-points = <
				/* kHz    uV */
				1200000 1200000
				1000000 1200000
				800000  1200000
				600000  1200000
			>;
		};

		cpu@1 {
			compatible = "marvell,pj4b";
			device_type = "cpu";
			next-level-cache = <&l2>;
			reg = <1>;

			clocks = <&chip_clk CLKID_CPU>;
			clock-latency = <100000>;
			operating-points = <
				/* kHz    uV */
				1200000 1200000
				1000000 1200000
				800000  1200000
				600000  1200000
			>;
		};
	};

	refclk: oscillator {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <25000000>;
	};

Annotation

Implementation Notes