arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi

Source file repositories/reference/linux-study-clean/arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-venice-gw71xx.dtsi
Extension
.dtsi
Size
5256 bytes
Lines
249
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 2020 Gateworks Corporation
 */

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/phy/phy-imx8-pcie.h>

/ {
	aliases {
		usb0 = &usbotg1;
		usb1 = &usbotg2;
	};

	led-controller {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_leds>;

		led-0 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};

		led-1 {
			function = LED_FUNCTION_STATUS;
			color = <LED_COLOR_ID_RED>;
			gpios = <&gpio5 4 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
	};

	pcie0_refclk: pcie0-refclk {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <100000000>;
	};

	pps {
		compatible = "pps-gpio";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pps>;
		gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
		status = "okay";
	};
};

&ecspi2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_spi2>;
	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>,
		   <&gpio1 10 GPIO_ACTIVE_LOW>;
	status = "okay";

	tpm@1 {
		compatible = "atmel,attpm20p", "tcg,tpm_tis-spi";
		reg = <0x1>;
		spi-max-frequency = <36000000>;
	};
};

&gpio1 {
	gpio-line-names = "", "", "", "", "", "", "pci_usb_sel", "dio0",
		"", "dio1", "", "", "", "", "", "",
		"", "", "", "", "", "", "", "",
		"", "", "", "", "", "", "", "";

Annotation

Implementation Notes