arch/arm/boot/dts/ti/omap/dm816x.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/dm816x.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/dm816x.dtsi
Extension
.dtsi
Size
16878 bytes
Lines
692
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-only

#include <dt-bindings/bus/ti-sysc.h>
#include <dt-bindings/clock/dm816.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/omap.h>

/ {
	compatible = "ti,dm816";
	interrupt-parent = <&intc>;
	#address-cells = <1>;
	#size-cells = <1>;
	chosen { };

	aliases {
		i2c0 = &i2c1;
		i2c1 = &i2c2;
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		ethernet0 = &eth0;
		ethernet1 = &eth1;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		cpu@0 {
			compatible = "arm,cortex-a8";
			device_type = "cpu";
			reg = <0>;
		};
	};

	pmu {
		compatible = "arm,cortex-a8-pmu";
		interrupts = <3>;
	};

	/*
	 * The soc node represents the soc top level view. It is used for IPs
	 * that are not memory mapped in the MPU view or for the MPU itself.
	 */
	soc {
		compatible = "ti,omap-infra";
		mpu {
			compatible = "ti,omap3-mpu";
			ti,hwmods = "mpu";
		};
	};

	/*
	 * XXX: Use a flat representation of the dm816x interconnect.
	 * The real dm816x interconnect network is quite complex. Since
	 * it will not bring real advantage to represent that in DT
	 * for the moment, just use a fake OCP bus entry to represent
	 * the whole bus hierarchy.
	 */
	ocp {
		compatible = "simple-bus";
		reg = <0x44000000 0x10000>;
		interrupts = <9 10>;
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		prcm: prcm@48180000 {
			compatible = "ti,dm816-prcm", "simple-bus";
			reg = <0x48180000 0x4000>;
			#address-cells = <1>;

Annotation

Implementation Notes