Linux-6.18.2/arch/arm64/boot/dts/freescale/imx8mm-kontron-bl-lte.dtso

// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
 * Copyright (C) 2025 Kontron Electronics GmbH
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/leds/common.h>
#include "imx8mm-pinfunc.h"

&{/} {
	compatible = "kontron,imx8mm-bl", "kontron,imx8mm-sl", "fsl,imx8mm";

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_keys>;

		key-user {
			label = "user";
			linux,code = <BTN_0>;
			gpios = <&gpio4 12 GPIO_ACTIVE_LOW>;
		};
	};

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

		lte-led1-b {
			label = "lte-led1-blue";
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>;
		};

		lte-led1-g {
			label = "lte-led1-green";
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
		};

		lte-led1-r {
			label = "lte-led1-red";
			color = <LED_COLOR_ID_RED>;
			gpios = <&gpio5 23 GPIO_ACTIVE_HIGH>;
		};

		lte-led2-b {
			label = "lte-led2-blue";
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&gpio5 25 GPIO_ACTIVE_HIGH>;
		};

		lte-led2-g {
			label = "lte-led2-green";
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpio5 22 GPIO_ACTIVE_HIGH>;
		};

		lte-led2-r {
			label = "lte-led2-red";
			color = <LED_COLOR_ID_RED>;
			gpios = <&gpio5 24 GPIO_ACTIVE_HIGH>;
		};
	};
};

&ecspi3 {
	status = "disabled";
};

&i2c2 {
	#address-cells = <1>;
	#size-cells = <0>;
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";

	tpm@2e {
		compatible = "infineon,slb9673", "tcg,tpm-tis-i2c";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_tpm>;
		reg = <0x2e>;
		interrupt-parent = <&gpio3>;
		interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
	};
};

&gpio3 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_gpio3>;
	gpio-line-names = "", "", "", "",
			  "", "", "", "",
			  "", "", "VDD_IO_REF", "TPM_PIRQ#",
			  "TPM_RESET# ", "", "", "",
			  "", "LTE_LED1_B", "LTE_LED1_G", "",
			  "";

	vdd-io-ref-hog {
		gpio-hog;
		gpios = <10 GPIO_ACTIVE_HIGH>;
		line-name = "VDD_IO_REF";
		output-high;
	};

	tpm-reset-hog {
		gpio-hog;
		gpios = <12 GPIO_ACTIVE_LOW>;
		line-name = "TPM_RESET#";
		output-low;
	};
};

&gpio4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_gpio4>;
	gpio-line-names = "", "", "LTE_RESET", "",
			  "", "", "", "",
			  "", "", "", "LTE_PWRKEY",
			  "", "", "", "",
			  "", "", "", "",
			  "LTE_PWR_EN";
};

&gpio5 {
	gpio-line-names = "", "", "", "",
			  "", "", "", "",
			  "", "", "", "",
			  "", "", "", "",
			  "", "", "", "",
			  "", "", "LTE_LED2_G", "LTE_LED1_R",
			  "LTE_LED2_R", "LTE_LED2_B";
};

&iomuxc {
	pinctrl_gpio3: gpio3grp {
		fsl,pins = <
			MX8MM_IOMUXC_NAND_DATA04_GPIO3_IO10		0x19 /* VDD_IO_REF */
		>;
	};

	pinctrl_gpio4: gpio4grp {
		fsl,pins = <
			MX8MM_IOMUXC_SAI1_RXD0_GPIO4_IO2		0x19 /* LTE_RESET */
			MX8MM_IOMUXC_SAI1_TXC_GPIO4_IO11 		0x19 /* LTE_PWRKEY */
			MX8MM_IOMUXC_SAI1_MCLK_GPIO4_IO20		0x19 /* LTE_PWR_EN */
		>;
	};

	pinctrl_gpio_keys: gpiokeysgrp {
		fsl,pins = <
			MX8MM_IOMUXC_SAI1_TXD0_GPIO4_IO12		0x19 /* Pushbutton */
		>;
	};

	pinctrl_gpio_led_lte: gpioledltegrp {
		fsl,pins = <
			MX8MM_IOMUXC_NAND_WE_B_GPIO3_IO17		0x19 /* LTE_LED1_B */
			MX8MM_IOMUXC_NAND_WP_B_GPIO3_IO18		0x19 /* LTE_LED1_G */
			MX8MM_IOMUXC_UART1_TXD_GPIO5_IO23		0x19 /* LTE_LED1_R */
			MX8MM_IOMUXC_UART2_TXD_GPIO5_IO25		0x19 /* LTE_LED2_B */
			MX8MM_IOMUXC_UART1_RXD_GPIO5_IO22		0x19 /* LTE_LED2_G */
			MX8MM_IOMUXC_UART2_RXD_GPIO5_IO24		0x19 /* LTE_LED2_R */
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL			0x40000083 /* I2C_A_SCL */
			MX8MM_IOMUXC_I2C2_SDA_I2C2_SDA			0x40000083 /* I2C_A_SDA */
		>;
	};

	pinctrl_tpm: tpmgrp {
		fsl,pins = <
			MX8MM_IOMUXC_NAND_DATA05_GPIO3_IO11		0x19 /* TPM_PIRQ# */
			MX8MM_IOMUXC_NAND_DATA06_GPIO3_IO12		0x39 /* TPM_RESET# */
		>;
	};
};