arch/arm64/boot/dts/freescale/imx952-evk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx952-evk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx952-evk.dts
Extension
.dts
Size
22260 bytes
Lines
870
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+ OR MIT)
/*
 * Copyright 2025-2026 NXP
 */

/dts-v1/;

#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/usb/pd.h>
#include "imx952.dtsi"

#define FALLING_EDGE		BIT(0)
#define RISING_EDGE		BIT(1)

#define BRD_SM_CTRL_SD3_WAKE		0x8000U /*!< PCAL6408A-0 */
#define BRD_SM_CTRL_M2E_WAKE		0x8001U /*!< PCAL6408A-4 */
#define BRD_SM_CTRL_BT_WAKE		0x8002U /*!< PCAL6408A-5 */
#define BRD_SM_CTRL_M2M_WAKE		0x8003U /*!< PCAL6408A-6 */
#define BRD_SM_CTRL_BUTTON		0x8004U /*!< PCAL6408A-7 */

/ {
	model = "NXP i.MX952 EVK board";
	compatible = "fsl,imx952-evk", "fsl,imx952";

	aliases {
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		gpio3 = &gpio4;
		gpio4 = &gpio5;
		i2c0 = &lpi2c1;
		i2c1 = &lpi2c2;
		i2c2 = &lpi2c3;
		i2c3 = &lpi2c4;
		i2c4 = &lpi2c5;
		i2c5 = &lpi2c6;
		i2c6 = &lpi2c7;
		i2c7 = &lpi2c8;
		mmc0 = &usdhc1;
		mmc1 = &usdhc2;
		serial0 = &lpuart1;
		serial4 = &lpuart5;
		spi6 = &lpspi7;
	};

	bt_sco_codec: audio-codec-bt-sco {
		#sound-dai-cells = <1>;
		compatible = "linux,bt-sco";
	};

	chosen {
		stdout-path = &lpuart1;
	};

	dmic: dmic {
		compatible = "dmic-codec";
		#sound-dai-cells = <0>;
		num-channels = <2>;
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x0 0x80000000 0 0x80000000>;
	};

	fan0: pwm-fan {
		compatible = "pwm-fan";
		#cooling-cells = <2>;
		pwms = <&tpm6 2 4000000 PWM_POLARITY_INVERTED>;
		cooling-levels = <64 128 192 255>;

Annotation

Implementation Notes