arch/arm64/boot/dts/qcom/sdm845-db845c.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/sdm845-db845c.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/sdm845-db845c.dts
Extension
.dts
Size
23965 bytes
Lines
1244
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: GPL-2.0
/*
 * Copyright (c) 2019, Linaro Ltd.
 */

/dts-v1/;

#include <dt-bindings/arm/qcom,ids.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 "sdm845.dtsi"
#include "sdm845-wcd9340.dtsi"
#include "pm8998.dtsi"
#include "pmi8998.dtsi"

/ {
	model = "Thundercomm Dragonboard 845c";
	compatible = "thundercomm,db845c", "qcom,sdm845";
	qcom,msm-id = <QCOM_ID_SDA845 0x20001>;
	qcom,board-id = <8 0>;

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

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

	/* Fixed crystal oscillator dedicated to MCP2517FD */
	clk40m: can-clock {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <40000000>;
	};

	dc12v: dc12v-regulator {
		compatible = "regulator-fixed";
		regulator-name = "DC12V";
		regulator-min-microvolt = <12000000>;
		regulator-max-microvolt = <12000000>;
		regulator-always-on;
	};

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

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

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

	leds {
		compatible = "gpio-leds";

		led-0 {
			label = "green:user4";
			function = LED_FUNCTION_INDICATOR;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&pm8998_gpios 13 GPIO_ACTIVE_HIGH>;

Annotation

Implementation Notes