xref: /linux/arch/arm/boot/dts/nxp/mxs/imx28-amarula-rmm.dts (revision 115e74a29b530d121891238e9551c4bcdf7b04b5)

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2025 Amarula Solutions, Dario Binacchi <dario.binacchi@amarulasolutions.com>
 */

/dts-v1/;

#include "imx28.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>

/ {
	compatible = "amarula,imx28-rmm", "fsl,imx28";
	model = "Amarula i.MX28 rmm";

	memory@40000000 {
		reg = <0x40000000 0x08000000>;
		device_type = "memory";
	};

	backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 4 5000000 0>;
		brightness-levels = <0 255>;
		num-interpolated-steps = <255>;
		default-brightness-level = <255>;
		power-supply = <&reg_5v>;
	};

	beeper {
		compatible = "pwm-beeper";
		pwms = <&pwm 7 100000 0>;
	};

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

		led-0 {
			gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};

		led-1 {
			gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};

		led-2 {
			gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
	};

	reg_1v8: regulator-1v8 {
		compatible = "regulator-fixed";
		regulator-name = "1v8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
	};

	reg_3v3: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	reg_5v: regulator-5v {
		compatible = "regulator-fixed";
		regulator-name = "5v";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
	};

	reg_fec_3v3: regulator-fec-3v3 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&fec_3v3_enable_pin>;
		regulator-name = "fec-3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		startup-delay-us = <300000>;
		vin-supply = <&reg_5v>;
	};

	reg_usb0_vbus: regulator-usb0-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&usb0_vbus_enable_pin>;
		regulator-name = "usb0_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio2 5 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};

	reg_usb1_vbus: regulator-usb1-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&usb1_vbus_enable_pin>;
		regulator-name = "usb1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio2 6 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};
};

&auart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart0_2pins_a>;
	status = "okay";
};

&auart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&auart1_pins_a>;
	status = "okay";
};

&can0 {
	pinctrl-names = "default";
	pinctrl-0 = <&can0_pins_a>;
	status = "okay";
};

&duart {
	pinctrl-names = "default";
	pinctrl-0 = <&duart_pins_b>;
	status = "okay";
};

&duart_pins_b {
	fsl,voltage = <MXS_VOLTAGE_LOW>;
};

&gpmi {
	#size-cells = <0>;
	pinctrl-names = "default";
	pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
	status = "okay";
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins_a>;
	status = "okay";

	touchscreen: touchscreen@38 {
		compatible = "edt,edt-ft5306";
		reg = <0x38>;
		pinctrl-names = "default";
		pinctrl-0 = <&edt_ft5x06_pins &edt_ft5x06_wake_pin>;
		interrupt-parent = <&gpio0>;
		interrupts = <19 IRQ_TYPE_EDGE_RISING>;
		reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
		wake-gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>;
	};
};

&lradc {
	status = "okay";
};

&mac0 {
	pinctrl-names = "default";
	pinctrl-0 = <&mac0_pins_a>;
	phy-mode = "rmii";
	phy-supply = <&reg_fec_3v3>;
	phy-handle = <&ethphy>;
	status = "okay";

	mdio {
		#address-cells = <1>;
		#size-cells = <0>;

		ethphy: ethernet-phy@0 {
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <0>;
			max-speed = <100>;
			reset-gpios = <&gpio3 28 GPIO_ACTIVE_LOW>;
			reset-assert-us = <4000>;
			reset-deassert-us = <4000>;
		};
	};
};

&pinctrl {
	pinctrl-names = "default";
	pinctrl-0 = <&hog_pins_a>;

	edt_ft5x06_pins: edt-ft5x06@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_GPMI_RDY1__GPIO_0_21 /* Reset */
			MX28_PAD_GPMI_CE3N__GPIO_0_19 /* Interrupt */
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,pull-up = <MXS_PULL_ENABLE>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
	};

	edt_ft5x06_wake_pin: edt-ft5x06-wake@0 {
		reg = <0>;
		fsl,pinmux-ids = <MX28_PAD_GPMI_CE2N__GPIO_0_18>;
		fsl,drive-strength = <MXS_DRIVE_16mA>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
	};

	fec_3v3_enable_pin: fec-3v3-enable@0 {
		reg = <0>;
		fsl,pinmux-ids = <MX28_PAD_SPDIF__GPIO_3_27>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
	};

	hog_pins_a: hog@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_SSP2_SS1__GPIO_2_20  /* External power */
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
	};

	leds_pins: leds@0 {
		reg = <0>;
		fsl,pinmux-ids = <
			MX28_PAD_SSP0_DATA7__GPIO_2_7
			MX28_PAD_PWM0__GPIO_3_16
			MX28_PAD_PWM1__GPIO_3_17
		>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
	};

	usb0_vbus_enable_pin: usb0-vbus-enable@0 {
		reg = <0>;
		fsl,pinmux-ids = <MX28_PAD_SSP0_DATA5__GPIO_2_5>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
	};

	usb1_vbus_enable_pin: usb1-vbus-enable@0 {
		reg = <0>;
		fsl,pinmux-ids = <MX28_PAD_SSP0_DATA6__GPIO_2_6>;
		fsl,drive-strength = <MXS_DRIVE_4mA>;
		fsl,pull-up = <MXS_PULL_DISABLE>;
		fsl,voltage = <MXS_VOLTAGE_HIGH>;
	};
};

&pwm {
	pinctrl-names = "default";
	pinctrl-0 = <&pwm4_pins_a &pwm7_pins_a>;
	status = "okay";
};

/* microSD */
&ssp0 {
	compatible = "fsl,imx28-mmc";
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_sck_cfg>;
	broken-cd;
	bus-width = <4>;
	status = "okay";
};

&usb0 {
	dr_mode = "host";
	vbus-supply = <&reg_usb0_vbus>;
	status = "okay";
};

&usb1 {
	dr_mode = "host";
	vbus-supply = <&reg_usb1_vbus>;
	status = "okay";
};

&usbphy0 {
	status = "okay";
};

&usbphy1 {
	status = "okay";
};