// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright 2019 NXP * Copyright 2019-2020 Variscite Ltd. * Copyright (C) 2020 Krzysztof Kozlowski */ #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>; 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 = /bits/ 16 <4008>; ti,y-min = /bits/ 16 <282>; touchscreen-size-y = /bits/ 16 <3864>; ti,x-plate-ohms = /bits/ 16 <180>; touchscreen-max-pressure = /bits/ 16 <255>; touchscreen-average-samples = /bits/ 16 <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 = <ðphy>; phy-supply = <®_eth_phy>; fsl,magic-packet; status = "okay"; mdio { #address-cells = <1>; #size-cells = <0>; ethphy: ethernet-phy@4 { compatible = "ethernet-phy-ieee802.3-c22"; reg = <4>; reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; reset-assert-us = <10000>; }; }; }; &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-compatible = "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; }; }; }; }; &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 = <®_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 0x19 >; }; 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 0xc6 >; }; };