arch/arm/boot/dts/st/stih418-b2264.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stih418-b2264.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stih418-b2264.dts
Extension
.dts
Size
2631 bytes
Lines
152
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) 2021 STMicroelectronics
 * Author: Alain Volmat <avolmat@me.com>
 */
/dts-v1/;
#include "stih418.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ {
	model = "STiH418 B2264";
	compatible = "st,stih418-b2264", "st,stih418";

	chosen {
		stdout-path = &sbc_serial0;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x40000000 0xc0000000>;
	};

	cpus {
		cpu@0 {
			operating-points-v2 = <&cpu_opp_table>;
			/* u-boot puts hpen in SBC dmem at 0xb8 offset */
			cpu-release-addr = <0x94100b8>;
		};
		cpu@1 {
			operating-points-v2 = <&cpu_opp_table>;
			/* u-boot puts hpen in SBC dmem at 0xb8 offset */
			cpu-release-addr = <0x94100b8>;
		};
		cpu@2 {
			operating-points-v2 = <&cpu_opp_table>;
			/* u-boot puts hpen in SBC dmem at 0xb8 offset */
			cpu-release-addr = <0x94100b8>;
		};
		cpu@3 {
			operating-points-v2 = <&cpu_opp_table>;
			/* u-boot puts hpen in SBC dmem at 0xb8 offset */
			cpu-release-addr = <0x94100b8>;
		};
	};

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

		opp00 {
			opp-hz = /bits/ 64 <300000000>;
			opp-microvolt = <784000>;
		};
		opp01 {
			opp-hz = /bits/ 64 <500000000>;
			opp-microvolt = <784000>;
		};
		opp02 {
			opp-hz = /bits/ 64 <800000000>;
			opp-microvolt = <784000>;
		};
		opp03 {
			opp-hz = /bits/ 64 <1200000000>;
			opp-microvolt = <784000>;
		};
		opp04 {
			opp-hz = /bits/ 64 <1500000000>;
			opp-microvolt = <784000>;
		};
	};

Annotation

Implementation Notes