arch/arm/boot/dts/st/stih407-family.dtsi

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stih407-family.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stih407-family.dtsi
Extension
.dtsi
Size
25068 bytes
Lines
993
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 STMicroelectronics Limited.
 * Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
 */
#include "stih407-pinctrl.dtsi"
#include <dt-bindings/mfd/st-lpc.h>
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/reset/stih407-resets.h>
#include <dt-bindings/interrupt-controller/irq-st.h>
/ {
	#address-cells = <1>;
	#size-cells = <1>;

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		gp0_reserved: rproc@45000000 {
			compatible = "shared-dma-pool";
			reg = <0x45000000 0x00400000>;
			no-map;
		};

		delta_reserved: rproc@44000000 {
			compatible = "shared-dma-pool";
			reg = <0x44000000 0x01000000>;
			no-map;
		};
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		cpu0: cpu@0 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <0>;

			/* u-boot puts hpen in SBC dmem at 0xa4 offset */
			cpu-release-addr = <0x94100A4>;

					 /* kHz     uV   */
			operating-points = <1500000 0
					    1200000 0
					    800000  0
					    500000  0>;

			clocks = <&clk_m_a9>;
			clock-names = "cpu";
			clock-latency = <100000>;
			cpu0-supply = <&pwm_regulator>;
			st,syscfg = <&syscfg_core 0x8e0>;
			#cooling-cells = <2>;
		};
		cpu1: cpu@1 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <1>;

			/* u-boot puts hpen in SBC dmem at 0xa4 offset */
			cpu-release-addr = <0x94100A4>;

					 /* kHz     uV   */
			operating-points = <1500000 0
					    1200000 0
					    800000  0
					    500000  0>;
			#cooling-cells = <2>;

Annotation

Implementation Notes