arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/qcom/qcs6490-radxa-dragon-q6a.dts
Extension
.dts
Size
22458 bytes
Lines
1096
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) 2025 Radxa Computer (Shenzhen) Co., Ltd.
 */

/dts-v1/;

/* PM7250B is configured to use SID8/9 */
#define PM7250B_SID 8
#define PM7250B_SID1 9

#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
#include <dt-bindings/iio/qcom,spmi-adc7-pm7325.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
#include <dt-bindings/regulator/qcom,rpmh-regulator.h>
#include "kodiak.dtsi"
#include "pm7250b.dtsi"
#include "pm7325.dtsi"
#include "pm8350c.dtsi" /* PM7350C */
#include "pmk8350.dtsi" /* PMK7325 */
#include "qcs6490-audioreach.dtsi"

/delete-node/ &adsp_mem;
/delete-node/ &cdsp_mem;
/delete-node/ &ipa_fw_mem;
/delete-node/ &mpss_mem;
/delete-node/ &remoteproc_mpss;
/delete-node/ &remoteproc_wpss;
/delete-node/ &rmtfs_mem;
/delete-node/ &video_mem;
/delete-node/ &wifi;
/delete-node/ &wlan_ce_mem;
/delete-node/ &wlan_fw_mem;
/delete-node/ &wpss_mem;
/delete-node/ &xbl_mem;

/ {
	model = "Radxa Dragon Q6A";
	compatible = "radxa,dragon-q6a", "qcom,qcm6490";
	chassis-type = "embedded";

	aliases {
		mmc0 = &sdhc_1;
		mmc1 = &sdhc_2;
		serial0 = &uart5;
	};

	wcd938x: audio-codec {
		compatible = "qcom,wcd9380-codec";

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

		reset-gpios = <&tlmm 83 GPIO_ACTIVE_LOW>;

		vdd-rxtx-supply = <&vreg_l18b_1p8>;
		vdd-io-supply = <&vreg_l18b_1p8>;
		vdd-buck-supply = <&vreg_l17b_1p8>;
		vdd-mic-bias-supply = <&vreg_bob_3p296>;

		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>;

Annotation

Implementation Notes