--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2024 Toradex
+ *
+ * Common dtsi for Verdin IMX8MM SoM on Ivy carrier board
+ *
+ * https://www.toradex.com/computer-on-modules/verdin-arm-family/nxp-imx-8m-mini-nano
+ * https://www.toradex.com/products/carrier-board/ivy-carrier-board
+ */
+
+#include <dt-bindings/mux/mux.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+ /* AIN1 Voltage w/o AIN1_MODE gpio control */
+ ain1_voltage_unmanaged: voltage-divider-ain1 {
+ compatible = "voltage-divider";
+ #io-channel-cells = <1>;
+ io-channels = <&ivy_adc1 0>;
+ full-ohms = <19>;
+ output-ohms = <1>;
+ };
+
+ /* AIN1 Current w/o AIN1_MODE gpio control */
+ ain1_current_unmanaged: current-sense-shunt-ain1 {
+ compatible = "current-sense-shunt";
+ #io-channel-cells = <0>;
+ io-channels = <&ivy_adc1 1>;
+ shunt-resistor-micro-ohms = <100000000>;
+ };
+
+ /* AIN1_MODE - SODIMM 216 */
+ ain1_mode_mux_ctrl: mux-controller-0 {
+ compatible = "gpio-mux";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio5>;
+ #mux-control-cells = <0>;
+ mux-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+ };
+
+ ain1-voltage {
+ compatible = "io-channel-mux";
+ channels = "ain1_voltage", "";
+ io-channels = <&ain1_voltage_unmanaged 0>;
+ io-channel-names = "parent";
+ mux-controls = <&ain1_mode_mux_ctrl>;
+ settle-time-us = <1000>;
+ };
+
+ ain1-current {
+ compatible = "io-channel-mux";
+ channels = "", "ain1_current";
+ io-channels = <&ain1_current_unmanaged>;
+ io-channel-names = "parent";
+ mux-controls = <&ain1_mode_mux_ctrl>;
+ settle-time-us = <1000>;
+ };
+
+ /* AIN2 Voltage w/o AIN2_MODE gpio control */
+ ain2_voltage_unmanaged: voltage-divider-ain2 {
+ compatible = "voltage-divider";
+ #io-channel-cells = <1>;
+ io-channels = <&ivy_adc2 0>;
+ full-ohms = <19>;
+ output-ohms = <1>;
+ };
+
+ /* AIN2 Current w/o AIN2_MODE gpio control */
+ ain2_current_unmanaged: current-sense-shunt-ain2 {
+ compatible = "current-sense-shunt";
+ #io-channel-cells = <0>;
+ io-channels = <&ivy_adc2 1>;
+ shunt-resistor-micro-ohms = <100000000>;
+ };
+
+ /* AIN2_MODE - SODIMM 218 */
+ ain2_mode_mux_ctrl: mux-controller-1 {
+ compatible = "gpio-mux";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio6>;
+ #mux-control-cells = <0>;
+ mux-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
+ };
+
+ ain2-voltage {
+ compatible = "io-channel-mux";
+ channels = "ain2_voltage", "";
+ io-channels = <&ain2_voltage_unmanaged 0>;
+ io-channel-names = "parent";
+ mux-controls = <&ain2_mode_mux_ctrl>;
+ settle-time-us = <1000>;
+ };
+
+ ain2-current {
+ compatible = "io-channel-mux";
+ channels = "", "ain2_current";
+ io-channels = <&ain2_current_unmanaged>;
+ io-channel-names = "parent";
+ mux-controls = <&ain2_mode_mux_ctrl>;
+ settle-time-us = <1000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ivy_leds>;
+
+ /* D7 Blue - SODIMM 30 - LEDs.GPIO1 */
+ led-0 {
+ color = <LED_COLOR_ID_BLUE>;
+ default-state = "off";
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <1>;
+ gpios = <&gpio4 25 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* D7 Green - SODIMM 32 - LEDs.GPIO2 */
+ led-1 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <1>;
+ gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* D7 Red - SODIMM 34 - LEDs.GPIO3 */
+ led-2 {
+ color = <LED_COLOR_ID_RED>;
+ default-state = "off";
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <1>;
+ gpios = <&gpio4 26 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* D8 Blue - SODIMM 36 - LEDs.GPIO4 */
+ led-3 {
+ color = <LED_COLOR_ID_BLUE>;
+ default-state = "off";
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <2>;
+ gpios = <&gpio4 23 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* D8 Green - SODIMM 54 - LEDs.GPIO5 */
+ led-4 {
+ color = <LED_COLOR_ID_GREEN>;
+ default-state = "off";
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <2>;
+ gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* D8 Red - SODIMM 44 - LEDs.GPIO6 */
+ led-5 {
+ color = <LED_COLOR_ID_RED>;
+ default-state = "off";
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <2>;
+ gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* D9 Blue - SODIMM 46 - LEDs.GPIO7 */
+ led-6 {
+ color = <LED_COLOR_ID_BLUE>;
+ default-state = "off";
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <3>;
+ gpios = <&gpio3 24 GPIO_ACTIVE_HIGH>;
+ };
+
+ /* D9 Red - SODIMM 48 - LEDs.GPIO8 */
+ led-7 {
+ color = <LED_COLOR_ID_RED>;
+ default-state = "off";
+ function = LED_FUNCTION_STATUS;
+ function-enumerator = <3>;
+ gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ reg_3v2_ain1: regulator-3v2-ain1 {
+ compatible = "regulator-fixed";
+ regulator-max-microvolt = <3200000>;
+ regulator-min-microvolt = <3200000>;
+ regulator-name = "+3V2_AIN1";
+ };
+
+ reg_3v2_ain2: regulator-3v2-ain2 {
+ compatible = "regulator-fixed";
+ regulator-max-microvolt = <3200000>;
+ regulator-min-microvolt = <3200000>;
+ regulator-name = "+3V2_AIN2";
+ };
+
+ /* Ivy Power Supply Input Voltage */
+ ivy-input-voltage {
+ compatible = "voltage-divider";
+ /* Verdin ADC_1 */
+ io-channels = <&verdin_som_adc 7>;
+ full-ohms = <204700>; /* 200k + 4.7k */
+ output-ohms = <4700>;
+ };
+
+ ivy-5v-voltage {
+ compatible = "voltage-divider";
+ /* Verdin ADC_2 */
+ io-channels = <&verdin_som_adc 6>;
+ full-ohms = <39000>; /* 27k + 12k */
+ output-ohms = <12000>;
+ };
+
+ ivy-3v3-voltage {
+ compatible = "voltage-divider";
+ /* Verdin ADC_3 */
+ io-channels = <&verdin_som_adc 5>;
+ full-ohms = <54000>; /* 27k + 27k */
+ output-ohms = <27000>;
+ };
+
+ ivy-1v8-voltage {
+ compatible = "voltage-divider";
+ /* Verdin ADC_4 */
+ io-channels = <&verdin_som_adc 4>;
+ full-ohms = <39000>; /* 12k + 27k */
+ output-ohms = <27000>;
+ };
+};
+
+/* Verdin SPI_1 */
+&ecspi2 {
+ pinctrl-0 = <&pinctrl_ecspi2>,
+ <&pinctrl_gpio1>,
+ <&pinctrl_gpio4>;
+ cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>,
+ <&gpio3 4 GPIO_ACTIVE_LOW>,
+ <&gpio5 27 GPIO_ACTIVE_LOW>;
+ status = "okay";
+
+ tpm@1 {
+ compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
+ reg = <1>;
+ spi-max-frequency = <18500000>;
+ };
+
+ fram@2 {
+ compatible = "fujitsu,mb85rs256", "atmel,at25";
+ reg = <2>;
+ address-width = <16>;
+ size = <32768>;
+ spi-max-frequency = <33000000>;
+ pagesize = <1>;
+ };
+};
+
+/* EEPROM on Ivy */
+&eeprom_carrier_board {
+ status = "okay";
+};
+
+/* Verdin ETH_1 */
+&fec1 {
+ status = "okay";
+};
+
+&gpio3 {
+ gpio-line-names =
+ "", /* 0 */
+ "",
+ "REL3", /* SODIMM 64 */
+ "",
+ "",
+ "",
+ "DIG_1", /* SODIMM 56 */
+ "DIG_2", /* SODIMM 58 */
+ "REL1", /* SODIMM 60 */
+ "REL2", /* SODIMM 62 */
+ "", /* 10 */
+ "",
+ "",
+ "",
+ "REL4", /* SODIMM 66 */
+ "",
+ "",
+ "",
+ "",
+ "",
+ "", /* 20 */
+ "",
+ "",
+ "",
+ "",
+ "";
+};
+
+&gpio5 {
+ gpio-line-names =
+ "", /* 0 */
+ "",
+ "",
+ "",
+ "",
+ "GPIO2", /* Verdin GPIO_2 - SODIMM 208 */
+ "",
+ "",
+ "",
+ "",
+ "", /* 10 */
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "",
+ "", /* 20 */
+ "",
+ "",
+ "",
+ "",
+ "",
+ "GPIO3", /* Verdin GPIO_3 - SODIMM 210 */
+ "",
+ "",
+ "";
+};
+
+/* Temperature sensor on Ivy */
+&hwmon_temp {
+ compatible = "ti,tmp1075";
+ status = "okay";
+};
+
+/* Verdin I2C_4 CSI */
+&i2c3 {
+ status = "okay";
+
+ ivy_adc1: adc@40 {
+ compatible = "ti,ads1119";
+ reg = <0x40>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio7>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
+ avdd-supply = <®_3v2_ain1>;
+ dvdd-supply = <®_3v2_ain1>;
+ vref-supply = <®_3v2_ain1>;
+ #address-cells = <1>;
+ #io-channel-cells = <1>;
+ #size-cells = <0>;
+
+ /* AIN1 0-33V Voltage Input */
+ channel@0 {
+ reg = <0>;
+ diff-channels = <0 1>;
+ };
+
+ /* AIN1 0-20mA Current Input */
+ channel@1 {
+ reg = <1>;
+ diff-channels = <2 3>;
+ };
+ };
+
+ ivy_adc2: adc@41 {
+ compatible = "ti,ads1119";
+ reg = <0x41>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio8>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <9 IRQ_TYPE_EDGE_FALLING>;
+ avdd-supply = <®_3v2_ain2>;
+ dvdd-supply = <®_3v2_ain2>;
+ vref-supply = <®_3v2_ain2>;
+ #address-cells = <1>;
+ #io-channel-cells = <1>;
+ #size-cells = <0>;
+
+ /* AIN2 0-33V Voltage Input */
+ channel@0 {
+ reg = <0>;
+ diff-channels = <0 1>;
+ };
+
+ /* AIN2 0-20mA Current Input */
+ channel@1 {
+ reg = <1>;
+ diff-channels = <2 3>;
+ };
+ };
+};
+
+/* Verdin I2C_1 */
+&i2c4 {
+ status = "okay";
+};
+
+/* Verdin PCIE_1 */
+&pcie0 {
+ status = "okay";
+};
+
+&pcie_phy {
+ status = "okay";
+};
+
+/* Verdin UART_3 */
+&uart1 {
+ status = "okay";
+};
+
+/* Verdin UART_1 */
+&uart2 {
+ status = "okay";
+};
+
+/* Verdin UART_2 */
+&uart3 {
+ linux,rs485-enabled-at-boot-time;
+ rs485-rx-during-tx;
+ status = "okay";
+};
+
+/* Verdin USB_1*/
+&usbotg1 {
+ status = "okay";
+};
+
+/* Verdin USB_2 */
+&usbotg2 {
+ status = "okay";
+};
+
+/* Verdin SD_1 */
+&usdhc2 {
+ status = "okay";
+};
+
+&iomuxc {
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio2>, <&pinctrl_gpio3>,
+ <&pinctrl_ivy_dig_inputs>, <&pinctrl_ivy_relays>;
+
+ pinctrl_ivy_dig_inputs: ivydiginputsgrp {
+ fsl,pins =
+ <MX8MM_IOMUXC_NAND_DATA00_GPIO3_IO6 0x96>, /* SODIMM 56 */
+ <MX8MM_IOMUXC_NAND_DATA01_GPIO3_IO7 0x96>; /* SODIMM 58 */
+ };
+
+ pinctrl_ivy_leds: ivyledsgrp {
+ fsl,pins =
+ <MX8MM_IOMUXC_SAI2_TXC_GPIO4_IO25 0x16>, /* SODIMM 30 */
+ <MX8MM_IOMUXC_SAI2_TXFS_GPIO4_IO24 0x16>, /* SODIMM 32 */
+ <MX8MM_IOMUXC_SAI2_TXD0_GPIO4_IO26 0x16>, /* SODIMM 34 */
+ <MX8MM_IOMUXC_SAI2_RXD0_GPIO4_IO23 0x16>, /* SODIMM 36 */
+ <MX8MM_IOMUXC_SAI5_RXD1_GPIO3_IO22 0x16>, /* SODIMM 44 */
+ <MX8MM_IOMUXC_SAI5_RXD3_GPIO3_IO24 0x16>, /* SODIMM 46 */
+ <MX8MM_IOMUXC_SAI5_RXD0_GPIO3_IO21 0x16>, /* SODIMM 48 */
+ <MX8MM_IOMUXC_NAND_CE0_B_GPIO3_IO1 0x16>; /* SODIMM 54 */
+ };
+
+ pinctrl_ivy_relays: ivyrelaysgrp {
+ fsl,pins =
+ <MX8MM_IOMUXC_NAND_DATA02_GPIO3_IO8 0x16>, /* SODIMM 60 */
+ <MX8MM_IOMUXC_NAND_DATA03_GPIO3_IO9 0x16>, /* SODIMM 62 */
+ <MX8MM_IOMUXC_NAND_CE1_B_GPIO3_IO2 0x16>, /* SODIMM 64 */
+ <MX8MM_IOMUXC_NAND_DQS_GPIO3_IO14 0x16>; /* SODIMM 66 */
+ };
+};
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