xref: /openbmc/linux/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2019 NXP
 * Copyright 2019-2020 Variscite Ltd.
 * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
 */

#include "imx8mn.dtsi"

/ {
	model = "Variscite VAR-SOM-MX8MN module";
	compatible = "variscite,var-som-mx8mn", "fsl,imx8mn";

	chosen {
		stdout-path = &uart4;
	};

	memory@40000000 {
		device_type = "memory";
		reg = <0x0 0x40000000 0 0x40000000>;
	};

	reg_eth_phy: regulator-eth-phy {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_reg_eth_phy>;
		regulator-name = "eth_phy_pwr";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-enable-ramp-delay = <20000>;
		gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&A53_0 {
	cpu-supply = <&buck2_reg>;
};

&A53_1 {
	cpu-supply = <&buck2_reg>;
};

&A53_2 {
	cpu-supply = <&buck2_reg>;
};

&A53_3 {
	cpu-supply = <&buck2_reg>;
};

&ecspi1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_ecspi1>;
	cs-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>,
		   <&gpio1  0 GPIO_ACTIVE_LOW>;
	/delete-property/ dmas;
	/delete-property/ dma-names;
	status = "okay";

	/* Resistive touch controller */
	touchscreen@0 {
		reg = <0>;
		compatible = "ti,ads7846";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_restouch>;
		interrupt-parent = <&gpio1>;
		interrupts = <3 IRQ_TYPE_EDGE_FALLING>;

		spi-max-frequency = <1500000>;
		pendown-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;

		ti,x-min = /bits/ 16 <125>;
		touchscreen-size-x = <4008>;
		ti,y-min = /bits/ 16 <282>;
		touchscreen-size-y = <3864>;
		ti,x-plate-ohms = /bits/ 16 <180>;
		touchscreen-max-pressure = <255>;
		touchscreen-average-samples = <10>;
		ti,debounce-tol = /bits/ 16 <3>;
		ti,debounce-rep = /bits/ 16 <1>;
		ti,settle-delay-usec = /bits/ 16 <150>;
		ti,keep-vref-on;
		wakeup-source;
	};
};

&fec1 {
	pinctrl-names = "default", "sleep";
	pinctrl-0 = <&pinctrl_fec1>;
	pinctrl-1 = <&pinctrl_fec1_sleep>;
	phy-mode = "rgmii";
	phy-handle = <&ethphy>;
	phy-supply = <&reg_eth_phy>;
	fsl,magic-packet;
	status = "okay";

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

		ethphy: ethernet-phy@4 { /* AR8033 or ADIN1300 */
			compatible = "ethernet-phy-ieee802.3-c22";
			reg = <4>;
			reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
			reset-assert-us = <10000>;
			/*
			 * Deassert delay:
			 * ADIN1300 requires 5ms.
			 * AR8033   requires 1ms.
			 */
			reset-deassert-us = <20000>;
		};
	};
};

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

	pmic@4b {
		compatible = "rohm,bd71847";
		reg = <0x4b>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pmic>;
		interrupt-parent = <&gpio2>;
		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
		rohm,reset-snvs-powered;

		regulators {
			buck1_reg: BUCK1 {
				regulator-name = "buck1";
				regulator-min-microvolt = <700000>;
				regulator-max-microvolt = <1300000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <1250>;
			};

			buck2_reg: BUCK2 {
				regulator-name = "buck2";
				regulator-min-microvolt = <700000>;
				regulator-max-microvolt = <1300000>;
				regulator-boot-on;
				regulator-always-on;
				regulator-ramp-delay = <1250>;
				rohm,dvs-run-voltage = <1000000>;
				rohm,dvs-idle-voltage = <900000>;
			};

			buck3_reg: BUCK3 {
				regulator-name = "buck3";
				regulator-min-microvolt = <700000>;
				regulator-max-microvolt = <1350000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck4_reg: BUCK4 {
				regulator-name = "buck4";
				regulator-min-microvolt = <2600000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck5_reg: BUCK5 {
				regulator-name = "buck5";
				regulator-min-microvolt = <1605000>;
				regulator-max-microvolt = <1995000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck6_reg: BUCK6 {
				regulator-name = "buck6";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1400000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo1_reg: LDO1 {
				regulator-name = "ldo1";
				regulator-min-microvolt = <1600000>;
				regulator-max-microvolt = <1900000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo2_reg: LDO2 {
				regulator-name = "ldo2";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <900000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo3_reg: LDO3 {
				regulator-name = "ldo3";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <3300000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo4_reg: LDO4 {
				regulator-name = "ldo4";
				regulator-min-microvolt = <900000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			ldo5_reg: LDO5 {
				regulator-name = "ldo5";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			ldo6_reg: LDO6 {
				regulator-name = "ldo6";
				regulator-min-microvolt = <900000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};
		};
	};

	eeprom_som: eeprom@52 {
		compatible = "atmel,24c04";
		reg = <0x52>;
		pagesize = <16>;
	};
};

&i2c3 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c3>;
	status = "okay";

	/* TODO: configure audio, as of now just put a placeholder */
	wm8904: codec@1a {
		compatible = "wlf,wm8904";
		reg = <0x1a>;
		status = "disabled";
	};
};

&snvs_pwrkey {
	status = "okay";
};

/* Bluetooth */
&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	assigned-clocks = <&clk IMX8MN_CLK_UART2>;
	assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>;
	uart-has-rtscts;
	status = "okay";
};

/* Console */
&uart4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart4>;
	status = "okay";
};

&usbotg1 {
	dr_mode = "otg";
	usb-role-switch;
	status = "okay";
};

/* WIFI */
&usdhc1 {
	#address-cells = <1>;
	#size-cells = <0>;
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc1>;
	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
	bus-width = <4>;
	non-removable;
	keep-power-in-suspend;
	status = "okay";

	brcmf: bcrmf@1 {
		reg = <1>;
		compatible = "brcm,bcm4329-fmac";
	};
};

/* SD */
&usdhc2 {
	assigned-clocks = <&clk IMX8MN_CLK_USDHC2>;
	assigned-clock-rates = <200000000>;
	pinctrl-names = "default", "state_100mhz", "state_200mhz";
	pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
	pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
	pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
	cd-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
	bus-width = <4>;
	vmmc-supply = <&reg_usdhc2_vmmc>;
	status = "okay";
};

/* eMMC */
&usdhc3 {
	assigned-clocks = <&clk IMX8MN_CLK_USDHC3_ROOT>;
	assigned-clock-rates = <400000000>;
	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_ecspi1: ecspi1grp {
		fsl,pins = <
			MX8MN_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK		0x13
			MX8MN_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI		0x13
			MX8MN_IOMUXC_ECSPI1_MISO_ECSPI1_MISO		0x13
			MX8MN_IOMUXC_GPIO1_IO14_GPIO1_IO14		0x13
			MX8MN_IOMUXC_GPIO1_IO00_GPIO1_IO0		0x13
		>;
	};

	pinctrl_fec1: fec1grp {
		fsl,pins = <
			MX8MN_IOMUXC_ENET_MDC_ENET1_MDC			0x3
			MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO		0x3
			MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3		0x1f
			MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2		0x1f
			MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1		0x1f
			MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0		0x1f
			MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3		0x91
			MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2		0x91
			MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1		0x91
			MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0		0x91
			MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC		0x1f
			MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC		0x91
			MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL	0x91
			MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL	0x1f
			MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9		0x159
		>;
	};

	pinctrl_fec1_sleep: fec1sleepgrp {
		fsl,pins = <
			MX8MN_IOMUXC_ENET_MDC_GPIO1_IO16		0x120
			MX8MN_IOMUXC_ENET_MDIO_GPIO1_IO17		0x120
			MX8MN_IOMUXC_ENET_TD3_GPIO1_IO18		0x120
			MX8MN_IOMUXC_ENET_TD2_GPIO1_IO19		0x120
			MX8MN_IOMUXC_ENET_TD1_GPIO1_IO20		0x120
			MX8MN_IOMUXC_ENET_TD0_GPIO1_IO21		0x120
			MX8MN_IOMUXC_ENET_RD3_GPIO1_IO29		0x120
			MX8MN_IOMUXC_ENET_RD2_GPIO1_IO28		0x120
			MX8MN_IOMUXC_ENET_RD1_GPIO1_IO27		0x120
			MX8MN_IOMUXC_ENET_RD0_GPIO1_IO26		0x120
			MX8MN_IOMUXC_ENET_TXC_GPIO1_IO23		0x120
			MX8MN_IOMUXC_ENET_RXC_GPIO1_IO25		0x120
			MX8MN_IOMUXC_ENET_RX_CTL_GPIO1_IO24		0x120
			MX8MN_IOMUXC_ENET_TX_CTL_GPIO1_IO22		0x120
			MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9		0x120
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL		0x400001c3
			MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA		0x400001c3
		>;
	};

	pinctrl_i2c3: i2c3grp {
		fsl,pins = <
			MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL		0x400001c3
			MX8MN_IOMUXC_I2C3_SDA_I2C3_SDA		0x400001c3
		>;
	};

	pinctrl_pmic: pmicirqgrp {
		fsl,pins = <
			MX8MN_IOMUXC_SD1_DATA6_GPIO2_IO8	0x141
		>;
	};

	pinctrl_reg_eth_phy: regethphygrp {
		fsl,pins = <
			MX8MN_IOMUXC_SD1_DATA7_GPIO2_IO9	0x41
		>;
	};

	pinctrl_restouch: restouchgrp {
		fsl,pins = <
			MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3	0x1c0
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX8MN_IOMUXC_SAI3_TXFS_UART2_DCE_RX	0x140
			MX8MN_IOMUXC_SAI3_TXC_UART2_DCE_TX	0x140
			MX8MN_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B	0x140
			MX8MN_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B	0x140
		>;
	};

	pinctrl_uart4: uart4grp {
		fsl,pins = <
			MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX	0x140
			MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX	0x140
		>;
	};

	pinctrl_usdhc1: usdhc1grp {
		fsl,pins = <
			MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK		0x190
			MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD		0x1d0
			MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0	0x1d0
			MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1	0x1d0
			MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2	0x1d0
			MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3	0x1d0
		>;
	};

	pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
		fsl,pins = <
			MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK		0x194
			MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD		0x1d4
			MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0	0x1d4
			MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1	0x1d4
			MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2	0x1d4
			MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3	0x1d4
		>;
	};

	pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
		fsl,pins = <
			MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK		0x196
			MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD		0x1d6
			MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0	0x1d6
			MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1	0x1d6
			MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2	0x1d6
			MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3	0x1d6
		>;
	};

	pinctrl_usdhc2_gpio: usdhc2gpiogrp {
		fsl,pins = <
			MX8MN_IOMUXC_GPIO1_IO10_GPIO1_IO10	0x41
		>;
	};

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK		0x190
			MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD		0x1d0
			MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0	0x1d0
			MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1	0x1d0
			MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2	0x1d0
			MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3	0x1d0
			MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0x1d0
		>;
	};

	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
		fsl,pins = <
			MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK		0x194
			MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD		0x1d4
			MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0	0x1d4
			MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1	0x1d4
			MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2	0x1d4
			MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3	0x1d4
			MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0x1d0
		>;
	};

	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
		fsl,pins = <
			MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK		0x196
			MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD		0x1d6
			MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0	0x1d6
			MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1	0x1d6
			MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2	0x1d6
			MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3	0x1d6
			MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT	0x1d0
		>;
	};

	pinctrl_usdhc3: usdhc3grp {
		fsl,pins = <
			MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK	0x190
			MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD	0x1d0
			MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0	0x1d0
			MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1	0x1d0
			MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2	0x1d0
			MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3	0x1d0
			MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4	0x1d0
			MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5	0x1d0
			MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6	0x1d0
			MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7	0x1d0
			MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE	0x190
		>;
	};

	pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
		fsl,pins = <
			MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK	0x194
			MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD	0x1d4
			MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0	0x1d4
			MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1	0x1d4
			MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2	0x1d4
			MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3	0x1d4
			MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4	0x1d4
			MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5	0x1d4
			MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6	0x1d4
			MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7	0x1d4
			MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE	0x194
		>;
	};

	pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
		fsl,pins = <
			MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK	0x196
			MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD	0x1d6
			MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0	0x1d6
			MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1	0x1d6
			MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2	0x1d6
			MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3	0x1d6
			MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4	0x1d6
			MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5	0x1d6
			MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6	0x1d6
			MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7	0x1d6
			MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE	0x196
		>;
	};

	pinctrl_wdog: wdoggrp {
		fsl,pins = <
			MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B	0x166
		>;
	};
};