arch/arm64/boot/dts/qcom/pm8937.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/pm8937.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/pm8937.dtsi
Extension
.dtsi
Size
3080 bytes
Lines
159
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: BSD-3-Clause
/*
 * Copyright (c) 2023, Dang Huynh <danct12@riseup.net>
 */

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

/ {
	thermal-zones {
		pm8937-thermal {
			polling-delay-passive = <0>;
			polling-delay = <0>;
			thermal-sensors = <&pm8937_temp>;

			trips {
				trip0 {
					temperature = <105000>;
					hysteresis = <0>;
					type = "passive";
				};

				trip1 {
					temperature = <125000>;
					hysteresis = <0>;
					type = "hot";
				};

				trip2 {
					temperature = <145000>;
					hysteresis = <0>;
					type = "critical";
				};
			};
		};
	};
};

&spmi_bus {
	pmic@0 {
		compatible = "qcom,pm8937", "qcom,spmi-pmic";
		reg = <0x0 SPMI_USID>;
		#address-cells = <1>;
		#size-cells = <0>;

		pon@800 {
			compatible = "qcom,pm8916-pon";
			reg = <0x800>;
			mode-bootloader = <0x2>;
			mode-recovery = <0x1>;

			pm8937_pwrkey: pwrkey {
				compatible = "qcom,pm8941-pwrkey";
				interrupts = <0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
				debounce = <15625>;
				bias-pull-up;
				linux,code = <KEY_POWER>;
			};

			pm8937_resin: resin {
				compatible = "qcom,pm8941-resin";
				interrupts = <0 0x8 1 IRQ_TYPE_EDGE_BOTH>;
				debounce = <15625>;
				bias-pull-up;
				status = "disabled";
			};
		};

		pm8937_gpios: gpio@c000 {

Annotation

Implementation Notes