xref: /linux/arch/arm64/boot/dts/freescale/imx8mp-nitrogen-smarc-som.dtsi (revision c771600c6af14749609b49565ffb4cac2959710d)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2023 Boundary Devices
 * Copyright 2024 Silicon Signals Pvt. Ltd.
 *
 * Author : Bhavin Sharma <bhavin.sharma@siliconsignals.io>
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include "imx8mp.dtsi"

/ {
	model = "Boundary Device Nitrogen8MP SMARC SoM";
	compatible = "boundary,imx8mp-nitrogen-smarc-som", "fsl,imx8mp";

	chosen {
		stdout-path = &uart2;
	};

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

		led-0 {
			function = LED_FUNCTION_POWER;
			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};

	reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
	        compatible = "regulator-fixed";
	        regulator-name = "VSD_3V3";
	        regulator-min-microvolt = <3300000>;
	        regulator-max-microvolt = <3300000>;
	        gpios = <&gpio2 19 GPIO_ACTIVE_HIGH>;
	        enable-active-high;
	};
};

&A53_0 {
        cpu-supply = <&buck2>;
};

&A53_1 {
        cpu-supply = <&buck2>;
};

&A53_2 {
        cpu-supply = <&buck2>;
};

&A53_3 {
        cpu-supply = <&buck2>;
};

&i2c1 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	pmic@25 {
		compatible = "nxp,pca9450c";
		reg = <0x25>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		interrupt-parent = <&gpio1>;
		interrupts = <14 IRQ_TYPE_LEVEL_LOW>;

		regulators {
			buck1: BUCK1 {
				regulator-name = "BUCK1";
				regulator-min-microvolt = <600000>;
				regulator-max-microvolt = <2187500>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <3125>;
			};

			buck2: BUCK2 {
				regulator-name = "BUCK2";
				regulator-min-microvolt = <600000>;
				regulator-max-microvolt = <2187500>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <3125>;
				nxp,dvs-run-voltage = <950000>;
				nxp,dvs-standby-voltage = <850000>;
			};

			buck4: BUCK4 {
				regulator-name = "BUCK4";
				regulator-min-microvolt = <600000>;
				regulator-max-microvolt = <3400000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck5: BUCK5 {
				regulator-name = "BUCK5";
				regulator-min-microvolt = <600000>;
				regulator-max-microvolt = <3400000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck6: BUCK6 {
				regulator-name = "BUCK6";
				regulator-min-microvolt = <600000>;
				regulator-max-microvolt = <3400000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo1: LDO1 {
				regulator-name = "LDO1";
				regulator-min-microvolt = <1600000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo2: LDO2 {
				regulator-name = "LDO2";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1150000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo3: LDO3 {
				regulator-name = "LDO3";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo4: LDO4 {
				regulator-name = "LDO4";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo5: LDO5 {
				regulator-name = "LDO5";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};
		};
	};
};

&i2c6 {
	clock-frequency = <100000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c6>;
	status = "okay";

	mcp23018: gpio@20 {
		compatible = "microchip,mcp23018";
		gpio-controller;
		#gpio-cells = <0x2>;
		reg = <0x20>;
		interrupts-extended = <&gpio4 22 IRQ_TYPE_LEVEL_LOW>;
		interrupt-controller;
		#interrupt-cells = <0x2>;
		microchip,irq-mirror;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_mcp23018>;
		reset-gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
	};
};

/* Console */
&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	status = "okay";
};

/* SD-card */
&usdhc2 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc2>;
	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
	cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
	vmmc-supply = <&reg_usdhc2_vmmc>;
	bus-width = <4>;
	status = "okay";
};

/* eMMC */
&usdhc1 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc1>;
	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
	bus-width = <8>;
	non-removable;
	status = "okay";
};

&wdog1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_wdog>;
	fsl,ext-reset-output;
	status = "okay";
};

&iomuxc {
	pinctrl_gpio_led: gpioledgrp {
		fsl,pins = <
		        MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10                     	0x19
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL					0x400001c3
			MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA					0x400001c3
		>;
	};

	pinctrl_i2c6: i2c6grp {
		fsl,pins = <
		        MX8MP_IOMUXC_SAI5_RXFS__I2C6_SCL            			0x400001c3
		        MX8MP_IOMUXC_SAI5_RXC__I2C6_SDA                 		0x400001c3
		>;
	};

	pinctrl_mcp23018: mcp23018grp {
		fsl,pins = <
		        MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22            			0x1c0
			MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27             			0x100
		>;
	};

	pinctrl_pmic: pmicgrp {
		fsl,pins = <
			MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14				0x1c0
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX                            0x40
			MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX                            0x40
		>;
	};

	pinctrl_usdhc1: usdhc1grp {
		fsl,pins = <
			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK        			0x10
			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD        			0x150
			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0    			0x150
			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1    			0x150
			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2    			0x150
			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3    			0x150
			MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4    			0x150
			MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5    			0x150
			MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6    			0x150
			MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7    			0x150
			MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE  			0x10
			MX8MP_IOMUXC_SD1_RESET_B__USDHC1_RESET_B 			0x140
		>;
	};

	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK        			0x14
			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD        			0x154
			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0    			0x154
			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1    			0x154
			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2    			0x154
			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3    			0x154
			MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4    			0x154
			MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5    			0x154
			MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6    			0x154
			MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7    			0x154
			MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE  			0x14
		>;
	};

	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD1_CLK__USDHC1_CLK        			0x12
			MX8MP_IOMUXC_SD1_CMD__USDHC1_CMD        			0x152
			MX8MP_IOMUXC_SD1_DATA0__USDHC1_DATA0    			0x152
			MX8MP_IOMUXC_SD1_DATA1__USDHC1_DATA1    			0x152
			MX8MP_IOMUXC_SD1_DATA2__USDHC1_DATA2    			0x152
			MX8MP_IOMUXC_SD1_DATA3__USDHC1_DATA3    			0x152
			MX8MP_IOMUXC_SD1_DATA4__USDHC1_DATA4    			0x152
			MX8MP_IOMUXC_SD1_DATA5__USDHC1_DATA5    			0x152
			MX8MP_IOMUXC_SD1_DATA6__USDHC1_DATA6    			0x152
			MX8MP_IOMUXC_SD1_DATA7__USDHC1_DATA7    			0x152
			MX8MP_IOMUXC_SD1_STROBE__USDHC1_STROBE  			0x12
		>;
	};

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x190
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d0
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d0
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d0
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d0
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d0
		>;
	};

	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x194
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d4
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d4
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d4
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d4
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d4
		>;
	};

	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
		fsl,pins = <
			MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x196
			MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d6
			MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d6
			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d6
			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d6
			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d6
		>;
	};

	pinctrl_wdog: wdoggrp {
		fsl,pins = <
			MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B				0x140
		>;
	};
};