arm64: dts: freescale: add initial device tree for TQMa8MQNL with i.MX8MN
authorAlexander Stein <alexander.stein@ew.tq-group.com>
Wed, 1 Dec 2021 07:29:46 +0000 (08:29 +0100)
committerShawn Guo <shawnguo@kernel.org>
Mon, 6 Dec 2021 03:38:27 +0000 (11:38 +0800)
This adds support for TQMa8MQNL module on MBa8Mx board.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm64/boot/dts/freescale/Makefile
arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts [new file with mode: 0644]
arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi [new file with mode: 0644]

index aed0d0c80a4380dd9209f2e931cbb7c253aada53..53b70941427b4ed6dca25c69ef5af2e52233e85a 100644 (file)
@@ -50,6 +50,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7902.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-beacon-kit.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mn-tqma8mqnl-mba8mx.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl-mba8mx.dts
new file mode 100644 (file)
index 0000000..3f1e49b
--- /dev/null
@@ -0,0 +1,237 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2020-2021 TQ-Systems GmbH
+ */
+
+/dts-v1/;
+
+#include "imx8mn-tqma8mqnl.dtsi"
+#include "mba8mx.dtsi"
+
+/ {
+       model = "TQ-Systems GmbH i.MX8MN TQMa8MxNL on MBa8Mx";
+       compatible = "tq,imx8mn-tqma8mqnl-mba8mx", "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
+
+       aliases {
+               eeprom0 = &eeprom3;
+               mmc0 = &usdhc3;
+               mmc1 = &usdhc2;
+               mmc2 = &usdhc1;
+               rtc0 = &pcf85063;
+               rtc1 = &snvs_rtc;
+       };
+
+       reg_usdhc2_vmmc: regulator-vmmc {
+               compatible = "regulator-fixed";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
+               regulator-name = "VSD_3V3";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+               startup-delay-us = <100>;
+               off-on-delay-us = <12000>;
+       };
+};
+
+/* Located on TQMa8MxML-ADAP */
+&gpio2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usb0hub_sel>;
+
+       sel-usb-hub-hog {
+               gpio-hog;
+               gpios = <1 GPIO_ACTIVE_HIGH>;
+               output-high;
+       };
+};
+
+&i2c1 {
+       expander2: gpio@27 {
+               compatible = "nxp,pca9555";
+               reg = <0x27>;
+               gpio-controller;
+               #gpio-cells = <2>;
+               vcc-supply = <&reg_vcc_3v3>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_expander2>;
+               interrupt-parent = <&gpio1>;
+               interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+               interrupt-controller;
+               #interrupt-cells = <2>;
+       };
+};
+
+&sai3 {
+       assigned-clocks = <&clk IMX8MN_CLK_SAI3>;
+       assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
+       clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3", "pll8k", "pll11k";
+       clocks = <&clk IMX8MN_CLK_SAI3_IPG>, <&clk IMX8MN_CLK_DUMMY>,
+                <&clk IMX8MN_CLK_SAI3_ROOT>, <&clk IMX8MN_CLK_DUMMY>,
+                <&clk IMX8MN_CLK_DUMMY>, <&clk IMX8MN_AUDIO_PLL1_OUT>,
+                <&clk IMX8MN_AUDIO_PLL2_OUT>;
+};
+
+&tlv320aic3x04 {
+       clock-names = "mclk";
+       clocks = <&clk IMX8MN_CLK_SAI3_ROOT>;
+};
+
+&usbotg1 {
+       dr_mode = "host";
+       disable-over-current;
+       power-active-high;
+       status = "okay";
+};
+
+&iomuxc {
+       pinctrl_ecspi1: ecspi1grp {
+               fsl,pins = <MX8MN_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK        0x00000146>,
+                          <MX8MN_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI        0x00000146>,
+                          <MX8MN_IOMUXC_ECSPI1_MISO_ECSPI1_MISO        0x00000146>,
+                          <MX8MN_IOMUXC_ECSPI1_SS0_GPIO5_IO9           0x00000146>;
+       };
+
+       pinctrl_ecspi2: ecspi2grp {
+               fsl,pins = <MX8MN_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK        0x00000146>,
+                          <MX8MN_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI        0x00000146>,
+                          <MX8MN_IOMUXC_ECSPI2_MISO_ECSPI2_MISO        0x00000146>,
+                          <MX8MN_IOMUXC_ECSPI2_SS0_GPIO5_IO13          0x00000146>;
+       };
+
+       pinctrl_expander2: expander2grp {
+               fsl,pins = <MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9           0x94>;
+       };
+
+       pinctrl_fec1: fec1grp {
+               fsl,pins = <MX8MN_IOMUXC_ENET_MDC_ENET1_MDC             0x40000002>,
+                          <MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO           0x40000002>,
+                          <MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3       0x14>,
+                          <MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2       0x14>,
+                          <MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1       0x14>,
+                          <MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0       0x14>,
+                          <MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3       0x90>,
+                          <MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2       0x90>,
+                          <MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1       0x90>,
+                          <MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0       0x90>,
+                          <MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC       0x14>,
+                          <MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC       0x90>,
+                          <MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x90>,
+                          <MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x14>;
+       };
+
+       pinctrl_gpiobutton: gpiobuttongrp {
+               fsl,pins = <MX8MN_IOMUXC_GPIO1_IO05_GPIO1_IO5           0x84>,
+                          <MX8MN_IOMUXC_GPIO1_IO07_GPIO1_IO7           0x84>,
+                          <MX8MN_IOMUXC_SD1_CLK_GPIO2_IO0              0x84>;
+       };
+
+       pinctrl_gpioled: gpioledgrp {
+               fsl,pins = <MX8MN_IOMUXC_GPIO1_IO00_GPIO1_IO0           0x84>,
+                          <MX8MN_IOMUXC_NAND_DQS_GPIO3_IO14            0x84>;
+       };
+
+       pinctrl_i2c2: i2c2grp {
+               fsl,pins = <MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL              0x400001C4>,
+                          <MX8MN_IOMUXC_I2C2_SDA_I2C2_SDA              0x400001C4>;
+       };
+
+       pinctrl_i2c2_gpio: i2c2gpiogrp {
+               fsl,pins = <MX8MN_IOMUXC_I2C2_SCL_GPIO5_IO16            0x400001C4>,
+                          <MX8MN_IOMUXC_I2C2_SDA_GPIO5_IO17            0x400001C4>;
+       };
+
+       pinctrl_i2c3: i2c3grp {
+               fsl,pins = <MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL              0x400001C4>,
+                          <MX8MN_IOMUXC_I2C3_SDA_I2C3_SDA              0x400001C4>;
+       };
+
+       pinctrl_i2c3_gpio: i2c3gpiogrp {
+               fsl,pins = <MX8MN_IOMUXC_I2C3_SCL_GPIO5_IO18            0x400001C4>,
+                          <MX8MN_IOMUXC_I2C3_SDA_GPIO5_IO19            0x400001C4>;
+       };
+
+       pinctrl_pwm3: pwm3grp {
+               fsl,pins = <MX8MN_IOMUXC_GPIO1_IO14_PWM3_OUT            0x14>;
+       };
+
+       pinctrl_pwm4: pwm4grp {
+               fsl,pins = <MX8MN_IOMUXC_GPIO1_IO15_PWM4_OUT            0x14>;
+       };
+
+       pinctrl_sai3: sai3grp {
+               fsl,pins = <MX8MN_IOMUXC_SAI3_MCLK_SAI3_MCLK            0x94>,
+                          <MX8MN_IOMUXC_SAI3_RXC_SAI3_RX_BCLK          0x94>,
+                          <MX8MN_IOMUXC_SAI3_RXFS_SAI3_RX_SYNC         0x94>,
+                          <MX8MN_IOMUXC_SAI3_RXD_SAI3_RX_DATA0         0x94>,
+                          <MX8MN_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC         0x94>,
+                          <MX8MN_IOMUXC_SAI3_TXD_SAI3_TX_DATA0         0x94>,
+                          <MX8MN_IOMUXC_SAI3_TXC_SAI3_TX_BCLK          0x94>;
+       };
+
+       pinctrl_uart1: uart1grp {
+               fsl,pins = <MX8MN_IOMUXC_UART1_RXD_UART1_DCE_RX         0x16>,
+                          <MX8MN_IOMUXC_UART1_TXD_UART1_DCE_TX         0x16>;
+       };
+
+       pinctrl_uart2: uart2grp {
+               fsl,pins = <MX8MN_IOMUXC_UART2_RXD_UART2_DCE_RX         0x16>,
+                          <MX8MN_IOMUXC_UART2_TXD_UART2_DCE_TX         0x16>;
+       };
+
+       pinctrl_uart3: uart3grp {
+               fsl,pins = <MX8MN_IOMUXC_UART3_RXD_UART3_DCE_RX         0x16>,
+                          <MX8MN_IOMUXC_UART3_TXD_UART3_DCE_TX         0x16>;
+       };
+
+       pinctrl_uart4: uart4grp {
+               fsl,pins = <MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX         0x16>,
+                          <MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX         0x16>;
+       };
+
+       pinctrl_usb0hub_sel: usb0hub-selgrp {
+               /* SEL_USB_HUB_B */
+               fsl,pins = <MX8MN_IOMUXC_SD1_CMD_GPIO2_IO1              0x84>;
+       };
+
+       pinctrl_usbotg: usbotggrp {
+               fsl,pins = <MX8MN_IOMUXC_GPIO1_IO12_USB1_OTG_PWR        0x84>,
+                          <MX8MN_IOMUXC_GPIO1_IO13_USB1_OTG_OC         0x84>,
+                          <MX8MN_IOMUXC_GPIO1_IO10_USB1_OTG_ID         0x1C4>;
+       };
+
+       pinctrl_usdhc2: usdhc2grp {
+               fsl,pins = <MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK             0x1d4>,
+                          <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      0x84>;
+       };
+
+       pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+               fsl,pins = <MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK             0x1d4>,
+                          <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      0x84>;
+       };
+
+       pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+               fsl,pins = <MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK             0x1d4>,
+                          <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      0x84>;
+       };
+
+       pinctrl_usdhc2_gpio: usdhc2-gpiogrp {
+               fsl,pins = <MX8MN_IOMUXC_SD2_CD_B_GPIO2_IO12            0x84>;
+       };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-tqma8mqnl.dtsi
new file mode 100644 (file)
index 0000000..9ea2894
--- /dev/null
@@ -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>;
+       };
+};