arch/arm64/boot/dts/qcom/pms405.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/pms405.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/pms405.dtsi
Extension
.dtsi
Size
3094 bytes
Lines
149
Domain
Architecture Layer
Bucket
arch/arm64
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
/*
 * Copyright (c) 2018, Linaro Limited
 */

#include <dt-bindings/spmi/spmi.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/iio/qcom,spmi-vadc.h>
#include <dt-bindings/thermal/thermal.h>

/ {
	thermal-zones {
		pms405-thermal {
			polling-delay-passive = <250>;

			thermal-sensors = <&pms405_temp>;

			trips {
				pms405_alert0: pms405-alert0 {
					temperature = <105000>;
					hysteresis = <2000>;
					type = "passive";
				};
				pms405_crit: pms405-crit {
					temperature = <125000>;
					hysteresis = <2000>;
					type = "critical";
				};
			};
		};
	};
};

&spmi_bus {
	pms405_0: pms405@0 {
		compatible = "qcom,pms405", "qcom,spmi-pmic";
		reg = <0x0 SPMI_USID>;
		#address-cells = <1>;
		#size-cells = <0>;

		pms405_gpios: gpio@c000 {
			compatible = "qcom,pms405-gpio", "qcom,spmi-gpio";
			reg = <0xc000>;
			gpio-controller;
			gpio-ranges = <&pms405_gpios 0 0 12>;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		pon@800 {
			compatible = "qcom,pms405-pon";
			reg = <0x0800>;
			mode-bootloader = <0x2>;
			mode-recovery = <0x1>;

			pwrkey {
				compatible = "qcom,pm8941-pwrkey";
				interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
				debounce = <15625>;
				bias-pull-up;
				linux,code = <KEY_POWER>;
			};
		};

		pms405_temp: temp-alarm@2400 {
			compatible = "qcom,spmi-temp-alarm";
			reg = <0x2400>;
			interrupts = <0 0x24 0 IRQ_TYPE_EDGE_RISING>;
			io-channels = <&pms405_adc ADC5_DIE_TEMP>;

Annotation

Implementation Notes