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diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
new file mode 100644
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@@ -0,0 +1,322 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2020-2021 TQ-Systems GmbH
+ */
+
+#include "imx8mn.dtsi"
+
+/ {
+ model = "TQ-Systems i.MX8MN TQMa8MxNL";
+ compatible = "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
+
+ memory@40000000 {
+ device_type = "memory";
+ /* our minimum RAM config will be 1024 MiB */
+ reg = <0x00000000 0x40000000 0 0x40000000>;
+ };
+
+ /* e-MMC IO, needed for HS modes */
+ reg_vcc1v8: regulator-vcc1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "TQMA8MXNL_VCC1V8";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ reg_vcc3v3: regulator-vcc3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "TQMA8MXNL_VCC3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /* global autoconfigured region for contiguous allocations */
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ /* 640 MiB */
+ size = <0 0x28000000>;
+ /* 1024 - 128 MiB, our minimum RAM config will be 1024 MiB */
+ alloc-ranges = <0 0x40000000 0 0x78000000>;
+ linux,cma-default;
+ };
+ };
+};
+
+&A53_0 {
+ cpu-supply = <&buck2_reg>;
+};
+
+&flexspi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_flexspi>;
+ status = "okay";
+
+ flash0: flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <84000000>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <4>;
+ };
+};
+
+&i2c1 {
+ clock-frequency = <100000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c1>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ status = "okay";
+
+ sensor0: temperature-sensor-eeprom@1b {
+ compatible = "nxp,se97", "jedec,jc-42.4-temp";
+ reg = <0x1b>;
+ };
+
+ pca9450: pmic@25 {
+ compatible = "nxp,pca9450a";
+ reg = <0x25>;
+
+ /* PMIC PCA9450 PMIC_nINT GPIO1_IO08 */
+ pinctrl-0 = <&pinctrl_pmic>;
+ pinctrl-names = "default";
+ interrupt-parent = <&gpio1>;
+ interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
+
+ regulators {
+ /* V_0V85_SOC: 0.85 .. 0.95 */
+ buck1_reg: BUCK1 {
+ regulator-name = "BUCK1";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <950000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ /* VDD_ARM */
+ buck2_reg: BUCK2 {
+ regulator-name = "BUCK2";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ nxp,dvs-run-voltage = <950000>;
+ nxp,dvs-standby-voltage = <850000>;
+ regulator-ramp-delay = <3125>;
+ };
+
+ /* V_0V85_GPU / DRAM: shall be equal to BUCK1 for i.MX8MN */
+ buck3_reg: BUCK3 {
+ regulator-name = "BUCK3";
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <950000>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <3125>;
+ };
+
+ /* VCC3V3 -> VMMC, ... must not be changed */
+ buck4_reg: BUCK4 {
+ regulator-name = "BUCK4";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_1V8 -> VQMMC, SPI-NOR, ... must not be changed */
+ buck5_reg: BUCK5 {
+ regulator-name = "BUCK5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_1V1 -> RAM, ... must not be changed */
+ buck6_reg: BUCK6 {
+ regulator-name = "BUCK6";
+ regulator-min-microvolt = <1100000>;
+ regulator-max-microvolt = <1100000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_1V8_SNVS */
+ ldo1_reg: LDO1 {
+ regulator-name = "LDO1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_0V8_SNVS */
+ ldo2_reg: LDO2 {
+ regulator-name = "LDO2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <850000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_1V8_ANA */
+ ldo3_reg: LDO3 {
+ regulator-name = "LDO3";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* V_0V9_MIPI */
+ ldo4_reg: LDO4 {
+ regulator-name = "LDO4";
+ regulator-min-microvolt = <900000>;
+ regulator-max-microvolt = <900000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ /* VCC SD IO - switched using SD2 VSELECT */
+ ldo5_reg: LDO5 {
+ regulator-name = "LDO5";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ };
+ };
+ };
+
+ pcf85063: rtc@51 {
+ compatible = "nxp,pcf85063a";
+ reg = <0x51>;
+ quartz-load-femtofarads = <7000>;
+ };
+
+ eeprom1: eeprom@53 {
+ compatible = "nxp,se97b", "atmel,24c02";
+ read-only;
+ reg = <0x53>;
+ pagesize = <16>;
+ };
+
+ eeprom0: eeprom@57 {
+ compatible = "atmel,24c64";
+ reg = <0x57>;
+ pagesize = <32>;
+ };
+};
+
+&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;
+ no-sd;
+ no-sdio;
+ vmmc-supply = <&reg_vcc3v3>;
+ vqmmc-supply = <&reg_vcc1v8>;
+ status = "okay";
+};
+
+/*
+ * Attention:
+ * wdog reset is routed to PMIC, PMIC must be preconfigured to force POR
+ * without LDO for SNVS. GPIO1_IO02 must not be used as GPIO.
+ */
+&wdog1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wdog>;
+ fsl,ext-reset-output;
+ status = "okay";
+};
+
+&iomuxc {
+ pinctrl_flexspi: flexspigrp {
+ fsl,pins = <MX8MN_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x84>,
+ <MX8MN_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B 0x84>,
+ <MX8MN_IOMUXC_NAND_DATA00_QSPI_A_DATA0 0x84>,
+ <MX8MN_IOMUXC_NAND_DATA01_QSPI_A_DATA1 0x84>,
+ <MX8MN_IOMUXC_NAND_DATA02_QSPI_A_DATA2 0x84>,
+ <MX8MN_IOMUXC_NAND_DATA03_QSPI_A_DATA3 0x84>;
+ };
+
+ pinctrl_i2c1: i2c1grp {
+ fsl,pins = <MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c4>,
+ <MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c4>;
+ };
+
+ pinctrl_i2c1_gpio: i2c1gpiogrp {
+ fsl,pins = <MX8MN_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c4>,
+ <MX8MN_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c4>;
+ };
+
+ pinctrl_pmic: pmicgrp {
+ fsl,pins = <MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8 0x84>;
+ };
+
+ pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
+ fsl,pins = <MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x84>;
+ };
+
+ pinctrl_usdhc3: usdhc3grp {
+ fsl,pins = <MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d4>,
+ <MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2>,
+ <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 0x84>,
+ <MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84>;
+ };
+
+ pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+ fsl,pins = <MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d2>,
+ <MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2>,
+ <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 0x84>,
+ <MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84>;
+ };
+
+ pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+ fsl,pins = <MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d6>,
+ <MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2>,
+ <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 0x84>,
+ <MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84>;
+ };
+
+ pinctrl_wdog: wdoggrp {
+ fsl,pins = <MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x84>;
+ };
+};