arch/arm64/boot/dts/qcom/sm8250-hdk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sm8250-hdk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sm8250-hdk.dts
Extension
.dts
Size
11379 bytes
Lines
470
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) 2020, The Linux Foundation. All rights reserved.
 */

/dts-v1/;

#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include "sm8250.dtsi"
#include "pm8150.dtsi"
#include "pm8150b.dtsi"
#include "pm8150l.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. SM8250 HDK";
	compatible = "qcom,sm8250-hdk", "qcom,sm8250";
	chassis-type = "embedded";

	aliases {
		serial0 = &uart12;
	};

	chosen {
		stdout-path = "serial0:115200n8";
	};

	vph_pwr: vph-pwr-regulator {
		compatible = "regulator-fixed";
		regulator-name = "vph_pwr";
		regulator-min-microvolt = <3700000>;
		regulator-max-microvolt = <3700000>;
	};

	vreg_s4a_1p8: pm8150-s4 {
		compatible = "regulator-fixed";
		regulator-name = "vreg_s4a_1p8";

		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;

		regulator-always-on;
		regulator-boot-on;

		vin-supply = <&vph_pwr>;
	};

	vreg_s6c_0p88: smpc6-regulator {
		compatible = "regulator-fixed";
		regulator-name = "vreg_s6c_0p88";

		regulator-min-microvolt = <880000>;
		regulator-max-microvolt = <880000>;
		regulator-always-on;
		vin-supply = <&vph_pwr>;
	};

	gpio-keys {
		compatible = "gpio-keys";

		key-vol-up {
			label = "Volume Up";
			linux,code = <KEY_VOLUMEUP>;
			gpios = <&pm8150_gpios 6 GPIO_ACTIVE_LOW>;
		};
	};
};

&apps_rsc {
	regulators-0 {
		compatible = "qcom,pm8150-rpmh-regulators";

Annotation

Implementation Notes