arch/arm64/boot/dts/qcom/sdm850-huawei-matebook-e-2019.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sdm850-huawei-matebook-e-2019.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sdm850-huawei-matebook-e-2019.dts
Extension
.dts
Size
18981 bytes
Lines
961
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
/*
 * Huawei MateBook E 2019
 *
 * Copyright (c) 2025, Jingzhou Zhu <newwheatzjz@zohomail.com>
 */

/dts-v1/;

#include <dt-bindings/input/gpio-keys.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include <dt-bindings/sound/qcom,q6afe.h>
#include <dt-bindings/sound/qcom,q6asm.h>
#include <dt-bindings/sound/qcom,wcd934x.h>
#include "sdm850.dtsi"
#include "sdm845-wcd9340.dtsi"
#include "pm8998.dtsi"

/*
 * Update following upstream (sdm845.dtsi) reserved
 * memory mappings for firmware loading to succeed
 * and enable the IPA device.
 */
/delete-node/ &tz_mem;
/delete-node/ &rmtfs_mem;
/delete-node/ &qseecom_mem;
/delete-node/ &ipa_fw_mem;
/delete-node/ &ipa_gsi_mem;
/delete-node/ &gpu_mem;
/delete-node/ &wlan_msa_mem;

/ {
	model = "Huawei MateBook E 2019";
	compatible = "huawei,planck", "qcom,sdm845";
	chassis-type = "convertible";

	aliases {
		serial0 = &uart9;
		serial1 = &uart6;
	};

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

		pinctrl-0 = <&volume_up_gpio &mode_pin_active>;
		pinctrl-names = "default";

		key-vol-up {
			label = "Volume up";
			gpios = <&pm8998_gpios 6 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_VOLUMEUP>;
			debounce-interval = <15>;
			wakeup-source;
		};

		switch-mode {
			label = "Tablet mode switch";
			gpios = <&tlmm 79 GPIO_ACTIVE_HIGH>;
			linux,input-type = <EV_SW>;
			linux,code = <SW_TABLET_MODE>;
			wakeup-source;
		};
	};

	leds {
		compatible = "gpio-leds";

Annotation

Implementation Notes