arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx93-phycore-som.dtsi
Extension
.dtsi
Size
8306 bytes
Lines
335
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 (C) 2023 PHYTEC Messtechnik GmbH
 * Author: Wadim Egorov <w.egorov@phytec.de>, Christoph Stoidner <c.stoidner@phytec.de>
 * Copyright (C) 2024 Mathieu Othacehe <m.othacehe@gmail.com>
 *
 * Product homepage:
 * https://www.phytec.eu/en/produkte/system-on-modules/phycore-imx-91-93/
 */

#include <dt-bindings/leds/common.h>
#include <dt-bindings/regulator/nxp,pca9450-regulator.h>

#include "imx93.dtsi"

/{
	model = "PHYTEC phyCORE-i.MX93";
	compatible = "phytec,imx93-phycore-som", "fsl,imx93";

	aliases {
		ethernet0 = &fec;
	};

	reserved-memory {
		ranges;
		#address-cells = <2>;
		#size-cells = <2>;

		linux,cma {
			compatible = "shared-dma-pool";
			reusable;
			alloc-ranges = <0 0x80000000 0 0x40000000>;
			size = <0 0x10000000>;
			linux,cma-default;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_leds>;

		led-0 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_HEARTBEAT;
			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};

	reg_vdda_1v8: regulator-vdda-1v8 {
		compatible = "regulator-fixed";
		regulator-name = "VDDA_1V8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&buck5>;
	};
};

/* ADC */
&adc1 {
	vref-supply = <&reg_vdda_1v8>;
};

/* Ethernet */
&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_fec>;
	phy-mode = "rmii";
	phy-handle = <&ethphy1>;

Annotation

Implementation Notes