arch/arm/boot/dts/synaptics/berlin2cd.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/synaptics/berlin2cd.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/synaptics/berlin2cd.dtsi
Extension
.dtsi
Size
12878 bytes
Lines
584
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-mini (Berlin BG2CD) 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-mini (BG2CD) SoC";
	compatible = "marvell,berlin2cd", "marvell,berlin";
	#address-cells = <1>;
	#size-cells = <1>;

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

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu: cpu@0 {
			compatible = "arm,cortex-a9";
			device_type = "cpu";
			next-level-cache = <&l2>;
			reg = <0>;

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

	pmu {
		compatible = "arm,cortex-a9-pmu";
		interrupt-parent = <&gic>;
		interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
	};

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

	soc@f7000000 {
		compatible = "simple-bus";
		#address-cells = <1>;
		#size-cells = <1>;
		interrupt-parent = <&gic>;

		ranges = <0 0xf7000000 0x1000000>;

		sdhci0: mmc@ab0000 {
			compatible = "mrvl,pxav3-mmc";
			reg = <0xab0000 0x200>;
			clocks = <&chip_clk CLKID_SDIO0XIN>, <&chip_clk CLKID_SDIO0>;
			clock-names = "io", "core";
			interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;

Annotation

Implementation Notes