arch/arm/boot/dts/ti/omap/dra72-evm.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/dra72-evm.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/dra72-evm.dts
Extension
.dts
Size
2572 bytes
Lines
128
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
/*
 * Copyright (C) 2014-2016 Texas Instruments Incorporated - https://www.ti.com/
 */
#include "dra72-evm-common.dtsi"
#include "dra72x-mmc-iodelay.dtsi"
/ {
	model = "TI DRA722";

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x80000000 0x0 0x40000000>; /* 1024 MB */
	};

	reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		ipu2_memory_region: ipu2-memory@95800000 {
			compatible = "shared-dma-pool";
			reg = <0x0 0x95800000 0x0 0x3800000>;
			reusable;
			status = "okay";
		};

		dsp1_memory_region: dsp1-memory@99000000 {
			compatible = "shared-dma-pool";
			reg = <0x0 0x99000000 0x0 0x4000000>;
			reusable;
			status = "okay";
		};

		ipu1_memory_region: ipu1-memory@9d000000 {
			compatible = "shared-dma-pool";
			reg = <0x0 0x9d000000 0x0 0x2000000>;
			reusable;
			status = "okay";
		};
	};

	evm_1v8_sw: fixedregulator-evm_1v8 {
		compatible = "regulator-fixed";
		regulator-name = "evm_1v8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&smps4_reg>;
		regulator-always-on;
		regulator-boot-on;
	};
};

&i2c1 {
	tps65917: tps65917@58 {
		reg = <0x58>;

		interrupts = <GIC_SPI 2 IRQ_TYPE_NONE>;  /* IRQ_SYS_1N */
	};
};

#include "dra72-evm-tps65917.dtsi"

&hdmi {
	vdda-supply = <&ldo3_reg>;
};

&pcf_gpio_21 {
	interrupt-parent = <&gpio6>;
	interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
};

Annotation

Implementation Notes