arch/arm64/boot/dts/qcom/sm8450-hdk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sm8450-hdk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sm8450-hdk.dts
Extension
.dts
Size
26833 bytes
Lines
1309
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) 2022, Linaro Limited
 */

/dts-v1/;

#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include <dt-bindings/iio/qcom,spmi-adc7-pm8350.h>
#include <dt-bindings/iio/qcom,spmi-adc7-pm8350b.h>
#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
#include <dt-bindings/iio/qcom,spmi-adc7-pmr735a.h>
#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
#include "sm8450.dtsi"
#include "pm8350.dtsi"
#include "pm8350b.dtsi"
#include "pm8350c.dtsi"
#include "pm8450.dtsi"
#include "pmk8350.dtsi"
#include "pmr735a.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. SM8450 HDK";
	compatible = "qcom,sm8450-hdk", "qcom,sm8450";
	chassis-type = "embedded";

	aliases {
		serial0 = &uart7;
		serial1 = &uart20;
	};

	wcd938x: audio-codec {
		compatible = "qcom,wcd9385-codec";

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

		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>;

		reset-gpios = <&tlmm 43 GPIO_ACTIVE_LOW>;

		vdd-buck-supply = <&vreg_s10b_1p8>;
		vdd-rxtx-supply = <&vreg_s10b_1p8>;
		vdd-io-supply = <&vreg_s10b_1p8>;
		vdd-mic-bias-supply = <&vreg_bob>;

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

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

	hdmi-out {
		compatible = "hdmi-connector";
		type = "a";

		port {
			hdmi_connector_out: endpoint {
				remote-endpoint = <&lt9611_out>;
			};
		};

Annotation

Implementation Notes