arch/arm/boot/dts/ti/davinci/da850.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/davinci/da850.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/davinci/da850.dtsi
Extension
.dtsi
Size
24544 bytes
Lines
960
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-later
/*
 * Copyright 2012 DENX Software Engineering GmbH
 * Heiko Schocher <hs@denx.de>
 */
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;
	chosen { };
	aliases { };

	memory@c0000000 {
		device_type = "memory";
		reg = <0xc0000000 0x0>;
	};

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

		cpu: cpu@0 {
			compatible = "arm,arm926ej-s";
			device_type = "cpu";
			reg = <0>;
			clocks = <&psc0 14>;
			operating-points-v2 = <&opp_table>;
		};
	};

	opp_table: opp-table {
		compatible = "operating-points-v2";

		opp_100: opp100-100000000 {
			opp-hz = /bits/ 64 <100000000>;
			opp-microvolt = <1000000 950000 1050000>;
		};

		opp_200: opp110-200000000 {
			opp-hz = /bits/ 64 <200000000>;
			opp-microvolt = <1100000 1050000 1160000>;
		};

		opp_300: opp120-300000000 {
			opp-hz = /bits/ 64 <300000000>;
			opp-microvolt = <1200000 1140000 1320000>;
		};

		/*
		 * Original silicon was 300MHz max, so higher frequencies
		 * need to be enabled on a per-board basis if the chip is
		 * capable.
		 */

		opp_375: opp120-375000000 {
			status = "disabled";
			opp-hz = /bits/ 64 <375000000>;
			opp-microvolt = <1200000 1140000 1320000>;
		};

		opp_456: opp130-456000000 {
			status = "disabled";
			opp-hz = /bits/ 64 <456000000>;
			opp-microvolt = <1300000 1250000 1350000>;
		};
	};

	arm {
		#address-cells = <1>;

Annotation

Implementation Notes