arch/arm/boot/dts/arm/arm-realview-eb.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/arm/arm-realview-eb.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/arm/arm-realview-eb.dtsi
Extension
.dtsi
Size
10644 bytes
Lines
445
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

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "arm,realview-eb";

	chosen { };

	aliases {
		serial0 = &serial0;
		serial1 = &serial1;
		serial2 = &serial2;
		serial3 = &serial3;
		i2c0 = &i2c;
	};

	memory {
		device_type = "memory";
		/* 128 MiB memory @ 0x0 */
		reg = <0x00000000 0x08000000>;
	};

	/* The voltage to the MMC card is hardwired at 3.3V */
	vmmc: regulator-vmmc {
		compatible = "regulator-fixed";
		regulator-name = "vmmc";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
        };

	xtal24mhz: mclk: kmiclk: sspclk: uartclk: wdogclk: clock-24000000 {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <24000000>;
	};

	timclk: clock-1000000 {
		#clock-cells = <0>;
		compatible = "fixed-factor-clock";
		clock-div = <24>;
		clock-mult = <1>;
		clocks = <&xtal24mhz>;
	};

	/* FIXME: this actually hangs off the PLL clocks */
	pclk: clock-pclk {
		#clock-cells = <0>;
		compatible = "fixed-clock";
		clock-frequency = <0>;
	};

	flash0@40000000 {
		/* 2 * 32MiB NOR Flash memory */
		compatible = "arm,versatile-flash", "cfi-flash";
		reg = <0x40000000 0x04000000>;
		bank-width = <4>;
		partitions {
			compatible = "arm,arm-firmware-suite";
		};
	};

	flash1@44000000 {
		/* 2 * 32MiB NOR Flash memory */
		compatible = "arm,versatile-flash", "cfi-flash";
		reg = <0x44000000 0x04000000>;
		bank-width = <4>;
		partitions {

Annotation

Implementation Notes