arch/arm64/boot/dts/freescale/imx8mm-verdin-mallow.dtsi

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

File Facts

System
Linux kernel
Corpus path
arch/arm64/boot/dts/freescale/imx8mm-verdin-mallow.dtsi
Extension
.dtsi
Size
3063 bytes
Lines
174
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 2023 Toradex
 *
 * Common dtsi for Verdin IMX8MM SoM on Mallow carrier board
 *
 * https://www.toradex.com/computer-on-modules/verdin-arm-family/nxp-imx-8m-mini-nano
 * https://www.toradex.com/products/carrier-board/mallow-carrier-board
 */

#include <dt-bindings/leds/common.h>

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

		/* SODIMM 52 - USER_LED_1_RED */
		led-0 {
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_DEBUG;
			function-enumerator = <1>;
			gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
		};

		/* SODIMM 54 - USER_LED_1_GREEN */
		led-1 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_DEBUG;
			function-enumerator = <1>;
			gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
		};

		/* SODIMM 56 - USER_LED_2_RED */
		led-2 {
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_DEBUG;
			function-enumerator = <2>;
			gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>;
		};

		/* SODIMM 58 - USER_LED_2_GREEN */
		led-3 {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_DEBUG;
			function-enumerator = <2>;
			gpios = <&gpio3 7 GPIO_ACTIVE_HIGH>;
		};
	};
};

/* Verdin SPI_1 */
&ecspi2 {
	pinctrl-0 = <&pinctrl_ecspi2>, <&pinctrl_tpm_cs>;
	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>, <&gpio3 2 GPIO_ACTIVE_LOW>;
	status = "okay";

	tpm@1 {
		compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
		reg = <1>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_tpm_irq>;
		interrupt-parent = <&gpio3>;
		interrupts = <14 IRQ_TYPE_LEVEL_LOW>;
		spi-max-frequency = <18500000>;
	};
};

/* EEPROM on Mallow */

Annotation

Implementation Notes