xref: /openbmc/linux/arch/arm64/boot/dts/freescale/imx8mm-emtop-som.dtsi (revision 2612e3bbc0386368a850140a6c9b990cd496a5ec)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2023 Emtop Embedded Solutions
 */

/dts-v1/;

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

#include "imx8mm.dtsi"

/ {
	model = "Emtop Embedded Solutions i.MX8M Mini SOM-IMX8MMLPD4 SoM";
	compatible = "ees,imx8mm-emtop-som", "fsl,imx8mm";

	chosen {
		stdout-path = &uart2;
	};

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

		led-0 {
			function = LED_FUNCTION_POWER;
			gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};
	};
};

&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 = <3 IRQ_TYPE_EDGE_RISING>;

		regulators {
			buck1: BUCK1 {
				regulator-name = "BUCK1";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1000000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <3125>;
			};

			buck2: BUCK2 {
				regulator-name = "BUCK2";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <900000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <3125>;
			};

			buck3: BUCK3 {
				regulator-name = "BUCK3";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1000000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck4: BUCK4 {
				regulator-name = "BUCK4";
				regulator-min-microvolt = <3000000>;
				regulator-max-microvolt = <3600000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck5: BUCK5 {
				regulator-name = "BUCK5";
				regulator-min-microvolt = <1650000>;
				regulator-max-microvolt = <1950000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck6: BUCK6 {
				regulator-name = "BUCK6";
				regulator-min-microvolt = <1100000>;
				regulator-max-microvolt = <1200000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo1: LDO1 {
				regulator-name = "LDO1";
				regulator-min-microvolt = <1650000>;
				regulator-max-microvolt = <1950000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo2: LDO2 {
				regulator-name = "LDO2";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <945000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo3: LDO3 {
				regulator-name = "LDO3";
				regulator-min-microvolt = <1710000>;
				regulator-max-microvolt = <1890000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo4: LDO4 {
				regulator-name = "LDO4";
				regulator-min-microvolt = <810000>;
				regulator-max-microvolt = <945000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo5: LDO5 {
				regulator-name = "LDO5";
				regulator-min-microvolt = <1650000>;
				regulator-max-microvolt = <3600000>;
			};
		};
	};
};

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

&usdhc3 {
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc3>;
	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc3_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: emtop-gpio-led-grp {
		fsl,pins = <
			MX8MM_IOMUXC_NAND_READY_B_GPIO3_IO16			0x19
			MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29			0x19
		>;
	};

	pinctrl_i2c1: emtop-i2c1-grp {
		fsl,pins = <
			MX8MM_IOMUXC_I2C1_SCL_I2C1_SCL				0x400001c3
			MX8MM_IOMUXC_I2C1_SDA_I2C1_SDA				0x400001c3
		>;
	};

	pinctrl_pmic: emtop-pmic-grp {
		fsl,pins = <
			MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3			0x41
		>;
	};

	pinctrl_uart2: emtop-uart2-grp {
		fsl,pins = <
			MX8MM_IOMUXC_UART2_RXD_UART2_DCE_RX			0x140
			MX8MM_IOMUXC_UART2_TXD_UART2_DCE_TX			0x140
		>;
	};

	pinctrl_usdhc3: emtop-usdhc3-grp {
		fsl,pins = <
			MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK			0x190
			MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD			0x1d0
			MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0			0x1d0
			MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1			0x1d0
			MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2			0x1d0
			MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3			0x1d0
			MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4			0x1d0
			MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5			0x1d0
			MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6			0x1d0
			MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7			0x1d0
			MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE			0x190
		>;
	};

	pinctrl_usdhc3_100mhz: emtop-usdhc3-100mhz-grp {
		fsl,pins = <
			MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK			0x194
			MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD			0x1d4
			MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0			0x1d4
			MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1			0x1d4
			MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2			0x1d4
			MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3			0x1d4
			MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4			0x1d4
			MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5			0x1d4
			MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6			0x1d4
			MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7			0x1d4
			MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE			0x194
		>;
	};

	pinctrl_usdhc3_200mhz: emtop-usdhc3-200mhz-grp {
		fsl,pins = <
			MX8MM_IOMUXC_NAND_WE_B_USDHC3_CLK			0x196
			MX8MM_IOMUXC_NAND_WP_B_USDHC3_CMD			0x1d6
			MX8MM_IOMUXC_NAND_DATA04_USDHC3_DATA0			0x1d6
			MX8MM_IOMUXC_NAND_DATA05_USDHC3_DATA1			0x1d6
			MX8MM_IOMUXC_NAND_DATA06_USDHC3_DATA2			0x1d6
			MX8MM_IOMUXC_NAND_DATA07_USDHC3_DATA3			0x1d6
			MX8MM_IOMUXC_NAND_RE_B_USDHC3_DATA4			0x1d6
			MX8MM_IOMUXC_NAND_CE2_B_USDHC3_DATA5			0x1d6
			MX8MM_IOMUXC_NAND_CE3_B_USDHC3_DATA6			0x1d6
			MX8MM_IOMUXC_NAND_CLE_USDHC3_DATA7			0x1d6
			MX8MM_IOMUXC_NAND_CE1_B_USDHC3_STROBE			0x196
		>;
	};

	pinctrl_wdog: emtop-wdog-grp {
		fsl,pins = <
			MX8MM_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B			0xc6
		>;
	};
};