arch/arm/boot/dts/ti/omap/omap34xx.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/ti/omap/omap34xx.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/ti/omap/omap34xx.dtsi
Extension
.dtsi
Size
4918 bytes
Lines
200
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
/*
 * Device Tree Source for OMAP34xx/OMAP35xx SoC
 *
 * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com/
 */

#include <dt-bindings/bus/ti-sysc.h>
#include <dt-bindings/media/omap3-isp.h>

#include "omap3.dtsi"

/ {
	cpus {
		cpu: cpu@0 {
			/* OMAP343x/OMAP35xx variants OPP1-6 */
			operating-points-v2 = <&cpu0_opp_table>;

			clock-latency = <300000>; /* From legacy driver */
			#cooling-cells = <2>;
		};
	};

	cpu0_opp_table: opp-table {
		compatible = "operating-points-v2-ti-cpu";
		syscon = <&scm_conf>;

		opp-125000000 {
			opp-hz = /bits/ 64 <125000000>;
			/*
			 * we currently only select the max voltage from table
			 * Table 3-3 of the omap3530 Data sheet (SPRS507F).
			 * Format is: <target min max>
			 */
			opp-microvolt = <975000 975000 975000>;
			/*
			 * first value is silicon revision bit mask
			 * second one 720MHz Device Identification bit mask
			 */
			opp-supported-hw = <0xffffffff 3>;
		};

		opp-250000000 {
			opp-hz = /bits/ 64 <250000000>;
			opp-microvolt = <1075000 1075000 1075000>;
			opp-supported-hw = <0xffffffff 3>;
			opp-suspend;
		};

		opp-500000000 {
			opp-hz = /bits/ 64 <500000000>;
			opp-microvolt = <1200000 1200000 1200000>;
			opp-supported-hw = <0xffffffff 3>;
		};

		opp-550000000 {
			opp-hz = /bits/ 64 <550000000>;
			opp-microvolt = <1275000 1275000 1275000>;
			opp-supported-hw = <0xffffffff 3>;
		};

		opp-600000000 {
			opp-hz = /bits/ 64 <600000000>;
			opp-microvolt = <1350000 1350000 1350000>;
			opp-supported-hw = <0xffffffff 3>;
		};

		opp-720000000 {
			opp-hz = /bits/ 64 <720000000>;
			opp-microvolt = <1350000 1350000 1350000>;

Annotation

Implementation Notes