arch/arm/boot/dts/st/stih418.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stih418.dtsi
Extension
.dtsi
Size
4139 bytes
Lines
155
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: Peter Griffin <peter.griffin@linaro.org>
 */
#include "stih418-clock.dtsi"
#include "stih407-family.dtsi"
#include "stih410-pinctrl.dtsi"
#include <dt-bindings/thermal/thermal.h>
/ {
	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		cpu2: cpu@2 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <2>;
			/* u-boot puts hpen in SBC dmem at 0xa4 offset */
			cpu-release-addr = <0x94100A4>;
			#cooling-cells = <2>;
		};
		cpu3: cpu@3 {
			device_type = "cpu";
			compatible = "arm,cortex-a9";
			reg = <3>;
			/* u-boot puts hpen in SBC dmem at 0xa4 offset */
			cpu-release-addr = <0x94100A4>;
			#cooling-cells = <2>;
		};
	};

	usb2_picophy1: phy2 {
		compatible = "st,stih407-usb2-phy";
		#phy-cells = <0>;
		st,syscfg = <&syscfg_core 0xf8 0xf4>;
		resets = <&softreset STIH407_PICOPHY_SOFTRESET>,
			 <&picophyreset STIH407_PICOPHY0_RESET>;
		reset-names = "global", "port";
	};

	usb2_picophy2: phy3 {
		compatible = "st,stih407-usb2-phy";
		#phy-cells = <0>;
		st,syscfg = <&syscfg_core 0xfc 0xf4>;
		resets = <&softreset STIH407_PICOPHY_SOFTRESET>,
			 <&picophyreset STIH407_PICOPHY1_RESET>;
		reset-names = "global", "port";
	};

	thermal-zones {
		cpu_thermal: cpu-thermal {
			polling-delay-passive = <250>;  /* 250ms */
			polling-delay = <1000>;         /* 1000ms */

			thermal-sensors = <&thermal>;

			trips {
				cpu_crit: cpu-crit {
					temperature = <95000>;  /* 95C */
					hysteresis = <2000>;
					type = "critical";
				};
				cpu_alert: cpu-alert {
					temperature = <85000>;  /* 85C */
					hysteresis = <2000>;
					type = "passive";
				};
			};

			cooling-maps {

Annotation

Implementation Notes