arch/arm64/boot/dts/qcom/x1-crd.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/x1-crd.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/x1-crd.dtsi
Extension
.dtsi
Size
37072 bytes
Lines
1851
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 Qualcomm Innovation Center, Inc. All rights reserved.
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>

#include "hamoa-pmics.dtsi"

/ {
	model = "Qualcomm Technologies, Inc. X1E80100 CRD";
	compatible = "qcom,x1e80100-crd", "qcom,x1e80100";

	aliases {
		serial0 = &uart21;
	};

	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 191 GPIO_ACTIVE_LOW>;

		vdd-buck-supply = <&vreg_l15b_1p8>;
		vdd-rxtx-supply = <&vreg_l15b_1p8>;
		vdd-io-supply = <&vreg_l15b_1p8>;
		vdd-mic-bias-supply = <&vreg_bob1>;

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

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

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

		pinctrl-0 = <&hall_int_n_default>, <&kypd_vol_up_n>;
		pinctrl-names = "default";

		key-vol-up {
			label = "volume_up";
			gpios = <&pm8550_gpios 6 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;
			wakeup-source;
		};

		switch-lid {
			label = "lid";
			gpios = <&tlmm 92 GPIO_ACTIVE_LOW>;
			linux,input-type = <EV_SW>;
			linux,code = <SW_LID>;
			wakeup-source;

Annotation

Implementation Notes