path: root/arch/arm64/boot/dts/ti/k3-am62p-verdin-ivy.dtsi

// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
/*
 * Copyright 2025 Toradex
 *
 * Common dtsi for Verdin AM62P SoM on Ivy carrier board
 *
 * https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am62p
 * https://www.toradex.com/products/carrier-board/ivy-carrier-board
 */

#include <dt-bindings/mux/mux.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/net/ti-dp83867.h>

/ {
	aliases {
		eeprom1 = &carrier_eeprom;
	};

	/* 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_gpio_5>;
		#mux-control-cells = <0>;
		mux-gpios = <&main_gpio0 49 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_gpio_6>;
		#mux-control-cells = <0>;
		mux-gpios = <&main_gpio0 50 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 = <&main_gpio1 11 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 = <&main_gpio1 12 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 = <&main_gpio1 10 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 = <&main_gpio1 9 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 = <&main_gpio0 11 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 = <&main_gpio0 37 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 = <&main_gpio0 34 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 = <&main_gpio0 33 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 = <&som_adc 7>;
		full-ohms = <204700>; /* 200K + 4.7K */
		output-ohms = <4700>;
	};

	ivy-5v-voltage {
		compatible = "voltage-divider";
		/* Verdin ADC_2 */
		io-channels = <&som_adc 6>;
		full-ohms = <39000>; /* 27K + 12K */
		output-ohms = <12000>;
	};

	ivy-3v3-voltage {
		compatible = "voltage-divider";
		/* Verdin ADC_3 */
		io-channels = <&som_adc 5>;
		full-ohms = <54000>; /* 27K + 27K */
		output-ohms = <27000>;
	};

	ivy-1v8-voltage {
		compatible = "voltage-divider";
		/* Verdin ADC_4 */
		io-channels = <&som_adc 4>;
		full-ohms = <39000>; /* 12K + 27K */
		output-ohms = <27000>;
	};
};

&main_pmx0 {
	pinctrl_ivy_leds: ivy-leds-default-pins {
		pinctrl-single,pins = <
			AM62PX_IOPAD(0x019c, PIN_INPUT, 7) /* (E24)  MCASP0_AXR1.GPIO1_9    */ /* SODIMM 36 */
			AM62PX_IOPAD(0x01a0, PIN_INPUT, 7) /* (F23)  MCASP0_AXR0.GPIO1_10   */ /* SODIMM 34 */
			AM62PX_IOPAD(0x01a4, PIN_INPUT, 7) /* (F24)  MCASP0_ACLKX.GPIO1_11  */ /* SODIMM 30 */
			AM62PX_IOPAD(0x01a8, PIN_INPUT, 7) /* (F25)  MCASP0_AFSX.GPIO1_12   */ /* SODIMM 32 */
			AM62PX_IOPAD(0x0088, PIN_INPUT, 7) /* (R24)  GPMC0_OEn_REn.GPIO0_33 */ /* SODIMM 48 */
			AM62PX_IOPAD(0x0098, PIN_INPUT, 7) /* (AA24) GPMC0_WAIT0.GPIO0_37   */ /* SODIMM 44 */
			AM62PX_IOPAD(0x008c, PIN_INPUT, 7) /* (T25)  GPMC0_WEn.GPIO0_34     */ /* SODIMM 46 */
			AM62PX_IOPAD(0x002c, PIN_INPUT, 7) /* (M25)  OSPI0_CSn0.GPIO0_11    */ /* SODIMM 54 */
		>;
	};
};

/* Verdin ETHs */
&cpsw3g {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_rgmii1>, <&pinctrl_rgmii2>;
	status = "okay";
};

/* MDIO, shared by Verdin ETH_1 (On-module PHY) and Verdin ETH_2_RGMII */
&cpsw3g_mdio {
	status = "okay";

	carrier_eth_phy: ethernet-phy@2 {
		reg = <2>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_eth2_rgmii_int>;
		interrupt-parent = <&main_gpio0>;
		interrupts = <42 IRQ_TYPE_EDGE_FALLING>;
		ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
	};
};

/* Verdin ETH_1 (On-module PHY) */
&cpsw_port1 {
	status = "okay";
};

/* Verdin ETH_2_RGMII */
&cpsw_port2 {
	phy-handle = <&carrier_eth_phy>;
	phy-mode = "rgmii-rxid";
	status = "okay";
};

&main_gpio0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pcie_1_reset>,
		    <&pinctrl_qspi1_cs2_gpio>,
		    <&pinctrl_qspi1_dqs_gpio>,
		    <&pinctrl_qspi1_io0_gpio>,
		    <&pinctrl_qspi1_io1_gpio>,
		    <&pinctrl_qspi1_io2_gpio>,
		    <&pinctrl_qspi1_io3_gpio>;
	gpio-line-names =
		"", /* 0 */
		"",
		"REL4",   /* SODIMM 66 */
		"DIGI_1", /* SODIMM 56 */
		"DIGI_2", /* SODIMM 58 */
		"REL1",   /* SODIMM 60 */
		"REL2",   /* SODIMM 62 */
		"",
		"",
		"",
		"", /* 10 */
		"",
		"REL3", /* SODIMM 64 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 20 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 30 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 40 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 50 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 60 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 70 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 80 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 90 */
		"";
};

&main_gpio1 {
	gpio-line-names =
		"", /* 0 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 10 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 20 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 30 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 40 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 50 */
		"";
};

/* Verdin I2C_1 */
&main_i2c0 {
	status = "okay";

	temperature-sensor@4f {
		compatible = "ti,tmp1075";
		reg = <0x4f>;
	};

	carrier_eeprom: eeprom@57 {
		compatible = "st,24c02", "atmel,24c02";
		reg = <0x57>;
		pagesize = <16>;
	};
};

/* Verdin I2C_4_CSI */
&main_i2c3 {
	status = "okay";

	ivy_adc1: adc@40 {
		compatible = "ti,ads1119";
		reg = <0x40>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_7>;
		interrupt-parent = <&main_gpio0>;
		interrupts = <51 IRQ_TYPE_EDGE_FALLING>;
		avdd-supply = <&reg_3v2_ain1>;
		dvdd-supply = <&reg_3v2_ain1>;
		vref-supply = <&reg_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_gpio_8>;
		interrupt-parent = <&main_gpio0>;
		interrupts = <52 IRQ_TYPE_EDGE_FALLING>;
		avdd-supply = <&reg_3v2_ain2>;
		dvdd-supply = <&reg_3v2_ain2>;
		vref-supply = <&reg_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 CAN_1 */
&main_mcan0 {
	status = "okay";
};

/* Verdin SPI_1 */
&main_spi1 {
	pinctrl-0 = <&pinctrl_main_spi1>,
		    <&pinctrl_main_spi1_cs0>,
		    <&pinctrl_gpio_1>,
		    <&pinctrl_gpio_4>;
	cs-gpios = <0>,
		   <&mcu_gpio0 1 GPIO_ACTIVE_LOW>,
		   <&mcu_gpio0 4 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>;
	};
};

/* Verdin UART_3, used as the Linux console */
&main_uart0 {
	status = "okay";
};

/* Verdin UART_1 */
&main_uart1 {
	status = "okay";
};

&mcu_gpio0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_gpio_2>,
		    <&pinctrl_gpio_3>;
	gpio-line-names =
		"",
		"",
		"GPIO2", /* Verdin GPIO_2 - SODIMM 208 */
		"GPIO3", /* Verdin GPIO_3 - SODIMM 210 */
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 10 */
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"",
		"", /* 20 */
		"",
		"",
		"";
};

/* Verdin CAN_2 */
&mcu_mcan0 {
	status = "okay";
};

/* Verdin SD_1 */
&sdhci1 {
	status = "okay";
};

/* Verdin USB_1 */
&usbss0 {
	status = "okay";
};

&usb0 {
	status = "okay";
};

/* Verdin USB_2 */
&usbss1 {
	status = "okay";
};

&usb1 {
	status = "okay";
};

/* Verdin PCIE_1_RESET# */
&verdin_pcie_1_reset_hog {
	status = "okay";
};

/* Verdin UART_2 */
&wkup_uart0 {
	rs485-rts-active-low;
	rs485-rx-during-tx;
	linux,rs485-enabled-at-boot-time;
	status = "okay";
};