arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts
Extension
.dts
Size
15282 bytes
Lines
717
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, Xilin Wu <strongtz@yeah.net>
 * Copyright (c) 2022, Molly Sophia <mollysophia379@gmail.com>
 */

/dts-v1/;

#include <dt-bindings/arm/qcom,ids.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/sound/qcom,q6afe.h>
#include <dt-bindings/sound/qcom,q6asm.h>
#include "sdm845.dtsi"
#include "sdm845-wcd9340.dtsi"
#include "pm8998.dtsi"
#include "pmi8998.dtsi"
#include "pm8005.dtsi"

/*
 * Delete following upstream (sdm845.dtsi) reserved
 * memory mappings which are different in this device.
 */
/delete-node/ &rmtfs_mem;
/delete-node/ &adsp_mem;
/delete-node/ &wlan_msa_mem;
/delete-node/ &mpss_region;
/delete-node/ &venus_mem;
/delete-node/ &cdsp_mem;
/delete-node/ &mba_region;
/delete-node/ &slpi_mem;
/delete-node/ &spss_mem;

/ {
	model = "Xiaomi Mi MIX 2S";
	compatible = "xiaomi,polaris", "qcom,sdm845";
	chassis-type = "handset";

	/* required for bootloader to select correct board */
	qcom,msm-id = <QCOM_ID_SDM845 0x20001>;
	qcom,board-id = <0x2a 0x0>;

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

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

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

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

	reserved-memory {
		adsp_mem: memory@8c500000 {
			reg = <0 0x8c500000 0 0x1e00000>;
			no-map;
		};

Annotation

Implementation Notes