xref: /linux/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts (revision 0cac5ce06e524755b3dac1e0a060b05992076d93)

// SPDX-License-Identifier: GPL-2.0-only or MIT
/*
 * Device Tree file for the AM62L3 Evaluation Module
 * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
 *
 * Technical Reference Manual: https://www.ti.com/lit/pdf/sprujb4
 * Data Sheet: https://www.ti.com/lit/pdf/sprspa1
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include <dt-bindings/net/ti-dp83867.h>
#include <dt-bindings/thermal/thermal.h>
#include "k3-am62l3.dtsi"
#include "k3-pinctrl.h"

/ {
	compatible = "ti,am62l3-evm", "ti,am62l3";
	model = "Texas Instruments AM62L3 Evaluation Module";

	chosen {
		stdout-path = &uart0;
	};

	memory@80000000 {
		reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
		device_type = "memory";
		bootph-all;
	};

	gpio_keys: gpio-keys {
		compatible = "gpio-keys";
		autorepeat;
		pinctrl-names = "default";
		pinctrl-0 = <&usr_button_pins_default>;

		usr: button-usr {
			label = "User Key";
			linux,code = <BTN_0>;
			gpios = <&gpio0 90 GPIO_ACTIVE_LOW>;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&usr_led_pins_default>;

		led-0 {
			label = "am62-sk:green:heartbeat";
			gpios = <&gpio0 123 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
			function = LED_FUNCTION_HEARTBEAT;
			default-state = "on";
		};
	};

	thermal-zones {
		wkup0-thermal {
			polling-delay-passive = <250>;	/* milliSeconds */
			polling-delay = <500>;		/* milliSeconds */
			thermal-sensors = <&vtm0 0>;

			trips {
				crit0 {
					temperature = <125000>;
					hysteresis = <2000>;
					type = "critical";
				};
			};
		};
	};

	vmain_pd: regulator-0 {
		/* TPS65988 PD CONTROLLER OUTPUT */
		compatible = "regulator-fixed";
		regulator-name = "vmain_pd";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
		bootph-all;
	};

	vcc_3v3_sys: regulator-1 {
		/* output of LM61460-Q1 */
		compatible = "regulator-fixed";
		regulator-name = "vcc_3v3_sys";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vmain_pd>;
		regulator-always-on;
		regulator-boot-on;
	};

	vdd_mmc1: regulator-2 {
		/* TPS22918DBVR */
		compatible = "regulator-fixed";
		regulator-name = "vdd_mmc1";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		enable-active-high;
		vin-supply = <&vcc_3v3_sys>;
		gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
		bootph-all;
	};

	vcc_1v8: regulator-3 {
		/* output of TPS6282518DMQ */
		compatible = "regulator-fixed";
		regulator-name = "vcc_1v8";
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <1800000>;
		vin-supply = <&vcc_3v3_sys>;
		regulator-always-on;
		regulator-boot-on;
	};
};

&gpio0 {
	bootph-all;
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins_default>;
	clock-frequency = <400000>;
	status = "okay";

	eeprom@51 {
		/* AT24C512C-MAHM-T or M24512-DFMC6TG */
		compatible = "atmel,24c512";
		reg = <0x51>;
	};
};

&i2c1 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c1_pins_default>;
	clock-frequency = <100000>;
	status = "okay";

	exp1: gpio@22 {
		compatible = "ti,tca6424";
		reg = <0x22>;
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "", "",
				  "UART1_FET_SEL", "MMC1_SD_EN",
				  "VPP_LDO_EN", "EXP_PS_3V3_EN",
				  "UART1_FET_BUF_EN", "", "",
				  "", "DSI_GPIO0", "DSI_GPIO1",
				  "", "BT_UART_WAKE_SOC_3V3",
				  "USB_TYPEA_OC_INDICATION", "",
				  "", "WLAN_ALERTn", "", "",
				  "HDMI_INTn", "TEST_GPIO2",
				  "MCASP0_FET_EN", "MCASP0_BUF_BT_EN",
				  "MCASP0_FET_SEL", "DSI_EDID",
				  "PD_I2C_IRQ", "IO_EXP_TEST_LED";

		interrupt-parent = <&gpio0>;
		interrupts = <91 IRQ_TYPE_EDGE_FALLING>;
		interrupt-controller;
		#interrupt-cells = <2>;

		pinctrl-names = "default";
		pinctrl-0 = <&gpio0_ioexp_intr_pins_default>;
		bootph-all;
	};

	exp2: gpio@23 {
		compatible = "ti,tca6424";
		reg = <0x23>;
		gpio-controller;
		#gpio-cells = <2>;
		gpio-line-names = "BT_EN_SOC", "VOUT0_FET_SEL0",
				  "", "",
				  "", "",
				  "", "",
				  "WL_LT_EN", "EXP_PS_5V0_EN",
				  "TP45", "TP48",
				  "TP46", "TP49",
				  "TP47", "TP50",
				  "GPIO_QSPI_NAND_RSTn", "GPIO_HDMI_RSTn",
				  "GPIO_CPSW1_RST", "GPIO_CPSW2_RST",
				  "", "GPIO_AUD_RSTn",
				  "GPIO_eMMC_RSTn", "SoC_WLAN_SDIO_RST";
		bootph-all;
	};

};

&i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c2_pins_default>;
	clock-frequency = <400000>;
	status = "okay";

	typec_pd0: tps658x@3f {
		compatible = "ti,tps6598x";
		reg = <0x3f>;

		connector {
			compatible = "usb-c-connector";
			label = "USB-C";
			self-powered;
			data-role = "dual";
			power-role = "sink";

			port {
				usb_con_hs: endpoint {
					remote-endpoint = <&usb0_hs_ep>;
				};
			};
		};
	};
};

&pmx0 {
	gpio0_ioexp_intr_pins_default: gpio0-ioexp-intr-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x01b0, PIN_INPUT, 7) /* (B12) SPI0_D1.GPIO0_91 */
		>;
		bootph-all;
	};

	i2c0_pins_default: i2c0-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x01cc, PIN_INPUT_PULLUP, 0) /* (B7) I2C0_SCL */
			AM62LX_IOPAD(0x01d0, PIN_INPUT_PULLUP, 0) /* (A7) I2C0_SDA */
		>;
		bootph-all;
	};

	i2c1_pins_default: i2c1-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x01d4, PIN_INPUT_PULLUP, 0) /* (D7) I2C1_SCL */
			AM62LX_IOPAD(0x01d8, PIN_INPUT_PULLUP, 0) /* (A6) I2C1_SDA */
		>;
		bootph-all;
	};

	i2c2_pins_default: i2c2-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x01dc, PIN_INPUT_PULLUP, 0) /* (B8) I2C2_SCL */
			AM62LX_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (D8) I2C2_SDA */
		>;
	};

	mmc0_pins_default: mmc0-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x0214, PIN_INPUT_PULLUP, 0) /* (D2) MMC0_CMD */
			AM62LX_IOPAD(0x020c, PIN_OUTPUT, 0) /* (B2) MMC0_CLK */
			AM62LX_IOPAD(0x0208, PIN_INPUT_PULLUP, 0) /* (D3) MMC0_DAT0 */
			AM62LX_IOPAD(0x0204, PIN_INPUT_PULLUP, 0) /* (D4) MMC0_DAT1 */
			AM62LX_IOPAD(0x0200, PIN_INPUT_PULLUP, 0) /* (C1) MMC0_DAT2 */
			AM62LX_IOPAD(0x01fc, PIN_INPUT_PULLUP, 0) /* (C2) MMC0_DAT3 */
			AM62LX_IOPAD(0x01f8, PIN_INPUT_PULLUP, 0) /* (C4) MMC0_DAT4 */
			AM62LX_IOPAD(0x01f4, PIN_INPUT_PULLUP, 0) /* (B3) MMC0_DAT5 */
			AM62LX_IOPAD(0x01f0, PIN_INPUT_PULLUP, 0) /* (A3) MMC0_DAT6 */
			AM62LX_IOPAD(0x01ec, PIN_INPUT_PULLUP, 0) /* (B4) MMC0_DAT7 */
		>;
		bootph-all;
	};

	mmc1_pins_default: mmc1-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x0230, PIN_INPUT, 0) /* (Y3) MMC1_CMD */
			AM62LX_IOPAD(0x0228, PIN_OUTPUT, 0) /* (Y2) MMC1_CLK */
			AM62LX_IOPAD(0x0224, PIN_INPUT, 0) /* (AA1) MMC1_DAT0 */
			AM62LX_IOPAD(0x0220, PIN_INPUT_PULLUP, 0) /* (Y4) MMC1_DAT1 */
			AM62LX_IOPAD(0x021c, PIN_INPUT_PULLUP, 0) /* (AA2) MMC1_DAT2 */
			AM62LX_IOPAD(0x0218, PIN_INPUT_PULLUP, 0) /* (AB2) MMC1_DAT3 */
			AM62LX_IOPAD(0x0234, PIN_INPUT, 0) /* (B6) MMC1_SDCD */
		>;
		bootph-all;
	};

	uart0_pins_default: uart0-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x01b4, PIN_INPUT, 0) /* (D13) UART0_RXD */
			AM62LX_IOPAD(0x01b8, PIN_OUTPUT, 0) /* (C13) UART0_TXD */
		>;
		bootph-all;
	};

	usb1_default_pins: usb1-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x0248, PIN_INPUT | PIN_DS_PULLUD_ENABLE | PIN_DS_PULL_UP, 0) /* (A5) USB1_DRVVBUS */
		>;
	};

	usr_button_pins_default: usr-button-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x01ac, PIN_INPUT, 7) /* (E12) SPI0_D0.GPIO0_90 */
		>;
	};

	usr_led_pins_default: usr-led-default-pins {
		pinctrl-single,pins = <
			AM62LX_IOPAD(0x0238, PIN_OUTPUT, 7) /* (D24) MMC1_SDWP.GPIO0_123 */
		>;
	};

};

&sdhci0 {
	/* eMMC */
	pinctrl-names = "default";
	pinctrl-0 = <&mmc0_pins_default>;
	non-removable;
	status = "okay";
	bootph-all;
};

&sdhci1 {
	/* SD/MMC */
	pinctrl-names = "default";
	pinctrl-0 = <&mmc1_pins_default>;
	vmmc-supply = <&vdd_mmc1>;
	disable-wp;
	status = "okay";
	bootph-all;
};

&uart0 {
	pinctrl-0 = <&uart0_pins_default>;
	pinctrl-names = "default";
	status = "okay";
	bootph-all;
};

&usbss0 {
	status = "okay";
	ti,vbus-divider;
};

&usb0 {
	usb-role-switch;

	port {
		usb0_hs_ep: endpoint {
			remote-endpoint = <&usb_con_hs>;
		};
	};
};

&usbss1 {
	status = "okay";
	ti,vbus-divider;
};

&usb1 {
	dr_mode = "host";
	pinctrl-names = "default";
	pinctrl-0 = <&usb1_default_pins>;
};