arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sc8280xp-microsoft-arcata.dts
Extension
.dts
Size
18773 bytes
Lines
1039
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) 2024, Jérôme de Bretagne <jerome.debretagne@gmail.com>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>

#include "sc8280xp.dtsi"
#include "sc8280xp-pmics.dtsi"

/ {
	model = "Microsoft Surface Pro 9 5G";
	compatible = "microsoft,arcata", "qcom,sc8280xp";

	aliases {
		serial0 = &uart18;
		serial1 = &uart2;
	};

	wcd938x: audio-codec {
		compatible = "qcom,wcd9380-codec";

		pinctrl-0 = <&wcd_default>;
		pinctrl-names = "default";

		reset-gpios = <&tlmm 106 GPIO_ACTIVE_LOW>;

		vdd-buck-supply = <&vreg_s10b>;
		vdd-rxtx-supply = <&vreg_s10b>;
		vdd-io-supply = <&vreg_s10b>;
		vdd-mic-bias-supply = <&vreg_bob>;

		qcom,micbias1-microvolt = <1800000>;
		qcom,micbias2-microvolt = <1800000>;
		qcom,micbias3-microvolt = <1800000>;
		qcom,micbias4-microvolt = <1800000>;
		qcom,mbhc-buttons-vthreshold-microvolt = <75000 150000 237000 500000 500000 500000 500000 500000>;
		qcom,mbhc-headset-vthreshold-microvolt = <1700000>;
		qcom,mbhc-headphone-vthreshold-microvolt = <50000>;
		qcom,rx-device = <&wcd_rx>;
		qcom,tx-device = <&wcd_tx>;

		#sound-dai-cells = <1>;
	};

	pmic-glink {
		compatible = "qcom,sc8280xp-pmic-glink", "qcom,pmic-glink";

		#address-cells = <1>;
		#size-cells = <0>;

		/* Left-side top port */
		connector@0 {
			compatible = "usb-c-connector";
			reg = <0>;
			power-role = "dual";
			data-role = "dual";

			ports {
				#address-cells = <1>;
				#size-cells = <0>;

				port@0 {
					reg = <0>;

					pmic_glink_con0_hs: endpoint {
						remote-endpoint = <&usb_0_dwc3_hs>;

Annotation

Implementation Notes