arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-phyboard-polis-rdk.dts
Extension
.dts
Size
12289 bytes
Lines
527
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-later OR MIT)
/*
 * Copyright (C) 2022 PHYTEC Messtechnik GmbH
 */

/dts-v1/;

#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/phy/phy-imx8-pcie.h>
#include "imx8mm-phycore-som.dtsi"

/ {
	model = "PHYTEC phyBOARD-Polis-i.MX8MM RDK";
	compatible = "phytec,imx8mm-phyboard-polis-rdk",
		     "phytec,imx8mm-phycore-som", "fsl,imx8mm";

	chosen {
		stdout-path = &uart3;
	};

	bt_osc_32k: bt-lp-clock {
		compatible = "fixed-clock";
		clock-frequency = <32768>;
		clock-output-names = "bt_osc_32k";
		#clock-cells = <0>;
	};

	can_osc_40m: can-clock {
		compatible = "fixed-clock";
		clock-frequency = <40000000>;
		clock-output-names = "can_osc_40m";
		#clock-cells = <0>;
	};

	fan {
		compatible = "gpio-fan";
		gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>;
		gpio-fan,speed-map = <0     0
				      13000 1>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_fan>;
		#cooling-cells = <2>;
	};

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

		led-0 {
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_DISK;
			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "mmc2";
		};

		led-1 {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_DISK;
			gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "mmc1";
		};

		led-2 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_CPU;
			gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

Annotation

Implementation Notes