xref: /freebsd/sys/contrib/device-tree/src/arm64/ti/k3-am62-pocketbeagle2.dts (revision ae5de77ed78ae54d86cead5604869212e8008e6b)

// SPDX-License-Identifier: GPL-2.0-only OR MIT
/*
 * https://www.beagleboard.org/boards/pocketbeagle-2
 *
 * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/
 * Copyright (C) 2025 Robert Nelson, BeagleBoard.org Foundation
 */

/dts-v1/;

#include <dt-bindings/leds/common.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include "k3-am625.dtsi"

/ {
	compatible = "beagle,am62-pocketbeagle2", "ti,am625";
	model = "BeagleBoard.org PocketBeagle2";

	aliases {
		serial0 = &wkup_uart0;
		serial1 = &main_uart1;
		serial2 = &main_uart6;
		serial3 = &main_uart0;
		mmc1 = &sdhci1;
		usb0 = &usb0;
		usb1 = &usb1;
		i2c0 = &main_i2c0;
		i2c2 = &main_i2c2;
		i2c3 = &wkup_i2c0;
	};

	chosen {
		stdout-path = &main_uart6;
	};

	memory@80000000 {
		/* 512MB RAM */
		reg = <0x00000000 0x80000000 0x00000000 0x20000000>;
		device_type = "memory";
		bootph-pre-ram;
	};

	reserved_memory: reserved-memory {
		#address-cells = <2>;
		#size-cells = <2>;
		ranges;

		/* global cma region */
		linux,cma {
			compatible = "shared-dma-pool";
			reusable;
			size = <0x00 0x8000000>;
			linux,cma-default;
		};

		mcu_m4fss_dma_memory_region: m4f-dma-memory@9cb00000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9cb00000 0x00 0x100000>;
			no-map;
		};

		mcu_m4fss_memory_region: m4f-memory@9cc00000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9cc00000 0x00 0xe00000>;
			no-map;
		};

		secure_tfa_ddr: tfa@9e780000 {
			reg = <0x00 0x9e780000 0x00 0x80000>;
			alignment = <0x1000>;
			no-map;
		};

		secure_ddr: optee@9e800000 {
			reg = <0x00 0x9e800000 0x00 0x01800000>;
			alignment = <0x1000>;
			no-map;
		};

		wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9db00000 {
			compatible = "shared-dma-pool";
			reg = <0x00 0x9db00000 0x00 0xc00000>;
			no-map;
		};
	};

	vsys_5v0: regulator-1 {
		compatible = "regulator-fixed";
		regulator-name = "vsys_5v0";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		regulator-always-on;
		regulator-boot-on;
		bootph-all;
	};

	vdd_3v3: regulator-2 {
		compatible = "regulator-fixed";
		regulator-name = "vdd_3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		vin-supply = <&vsys_5v0>;
		regulator-always-on;
		regulator-boot-on;
		bootph-all;
	};

	vdd_mmc1: regulator-3 {
		compatible = "regulator-fixed";
		regulator-name = "vdd_mmc1";
		pinctrl-names = "default";
		pinctrl-0 = <&vdd_3v3_sd_pins_default>;
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		enable-active-high;
		regulator-always-on;
		vin-supply = <&vdd_3v3>;
		gpio = <&main_gpio0 0 GPIO_ACTIVE_HIGH>;
		bootph-all;
	};

	vdd_sd_dv: regulator-4 {
		compatible = "regulator-gpio";
		regulator-name = "sd_hs200_switch";
		pinctrl-names = "default";
		pinctrl-0 = <&vdd_sd_dv_pins_default>;
		regulator-min-microvolt = <1800000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		vin-supply = <&vdd_3v3>;
		gpios = <&main_gpio1 49 GPIO_ACTIVE_HIGH>;
		states = <1800000 0x0>,
			 <3300000 0x1>;
		bootph-all;
	};

	adc_vref: regulator-5 {
		compatible = "regulator-fixed";
		regulator-name = "default";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&led_pins_default>;
		bootph-all;

		led-1 {
			function = LED_FUNCTION_HEARTBEAT;
			color = <LED_COLOR_ID_GREEN>;
			linux,default-trigger = "heartbeat";
			gpios = <&main_gpio0 6 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			bootph-all;
		};

		led-2 {
			function = LED_FUNCTION_DISK_ACTIVITY;
			color = <LED_COLOR_ID_GREEN>;
			linux,default-trigger = "mmc1";
			gpios = <&main_gpio0 5 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			bootph-all;
		};

		led-3 {
			function = LED_FUNCTION_INDICATOR;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&main_gpio0 4 GPIO_ACTIVE_HIGH>;
			default-state = "off";
			bootph-all;
		};

		led-4 {
			function = LED_FUNCTION_INDICATOR;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&main_gpio0 3 GPIO_ACTIVE_HIGH>;
			default-state = "off";
			bootph-all;
		};
	};
};

&main_pmx0 {
	led_pins_default: led-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x000c, PIN_OUTPUT, 7) /* (E25) OSPI0_D0.GPIO0_3 */
			AM62X_IOPAD(0x0010, PIN_OUTPUT, 7) /* (G24) OSPI0_D1.GPIO0_4 */
			AM62X_IOPAD(0x0014, PIN_OUTPUT, 7) /* (F25) OSPI0_D2.GPIO0_5 */
			AM62X_IOPAD(0x0018, PIN_OUTPUT, 7) /* (F24) OSPI0_D3.GPIO0_6 */
		>;
		bootph-all;
	};

	main_i2c0_pins_default: main-i2c0-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x01e0, PIN_INPUT_PULLUP, 0) /* (B16) I2C0_SCL */
			AM62X_IOPAD(0x01e4, PIN_INPUT_PULLUP, 0) /* (A16) I2C0_SDA */
		>;
		bootph-all;
	};

	main_i2c2_pins_default: main-i2c2-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x00b0, PIN_INPUT_PULLUP, 1) /* (K22) GPMC0_CSn2.I2C2_SCL */
			AM62X_IOPAD(0x00b4, PIN_INPUT_PULLUP, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */
		>;
		bootph-all;
	};

	main_uart0_pins_default: main-uart0-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14/A13) UART0_RXD */
			AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14/E11) UART0_TXD */
		>;
		bootph-all;
	};

	main_uart1_pins_default: main-uart1-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x194, PIN_INPUT, 2) /* (B19/B18) MCASP0_AXR3.UART1_CTSn */
			AM62X_IOPAD(0x198, PIN_OUTPUT, 2) /* (A19/B17) MCASP0_AXR2.UART1_RTSn */
			AM62X_IOPAD(0x1ac, PIN_INPUT, 2) /* (E19/D15) MCASP0_AFSR.UART1_RXD */
			AM62X_IOPAD(0x1b0, PIN_OUTPUT, 2) /* (A20/D16) MCASP0_ACLKR.UART1_TXD */
		>;
		bootph-all;
	};

	main_uart6_pins_default: main-uart6-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x001c, PIN_INPUT, 3) /* (J23) OSPI0_D4.UART6_RXD */
			AM62X_IOPAD(0x0020, PIN_OUTPUT, 3) /* (J25) OSPI0_D5.UART6_TXD */
		>;
	};

	main_mmc1_pins_default: main-mmc1-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x23c, PIN_INPUT, 0) /* (A21/C18) MMC1_CMD */
			AM62X_IOPAD(0x234, PIN_INPUT, 0) /* (B22/A20) MMC1_CLK */
			AM62X_IOPAD(0x230, PIN_INPUT, 0) /* (A22/A19) MMC1_DAT0 */
			AM62X_IOPAD(0x22c, PIN_INPUT, 0) /* (B21/B19) MMC1_DAT1 */
			AM62X_IOPAD(0x228, PIN_INPUT, 0) /* (C21/B20) MMC1_DAT2 */
			AM62X_IOPAD(0x224, PIN_INPUT, 0) /* (D22/C19) MMC1_DAT3 */
			AM62X_IOPAD(0x240, PIN_INPUT, 7) /* (D17/C15) MMC1_SDCD.GPIO1_48 */
		>;
		bootph-all;
	};

	vdd_sd_dv_pins_default: vdd-sd-dv-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x0244, PIN_OUTPUT, 7) /* (P25) GPMC0_CLK.GPIO1_49 */
		>;
		bootph-all;
	};

	pmic_irq_pins_default: pmic-irq-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x01f4, PIN_INPUT_PULLUP, 0) /* (D16) EXTINTn */
		>;
		bootph-all;
	};

	vdd_3v3_sd_pins_default: vdd-3v3-sd-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x0000, PIN_OUTPUT, 7) /* (H24) OSPI0_CLK.GPIO0_0 */
		>;
		bootph-all;
	};

	usb1_pins_default: usb1-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x0258, PIN_INPUT, 0) /* (F18) USB1_DRVVBUS */
		>;
		bootph-all;
	};

	epwm2_pins_default: epwm2-default-pins {
		pinctrl-single,pins = <
			AM62X_IOPAD(0x01e8, PIN_OUTPUT, 8) /* (B17) I2C1_SCL.EHRPWM2_A */
		>;
	};
};

&epwm2 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&epwm2_pins_default>;
};

&mailbox0_cluster0 {
	mbox_m4_0: mbox-m4-0 {
		ti,mbox-rx = <0 0 0>;
		ti,mbox-tx = <1 0 0>;
	};
};

&main_uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_uart0_pins_default>;
	bootph-all;
	status = "okay";
};

&main_uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_uart1_pins_default>;
	bootph-pre-ram;
	status = "reserved";
};

&main_uart6 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_uart6_pins_default>;
	bootph-all;
	status = "okay";
};

&main_i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_i2c0_pins_default>;
	clock-frequency = <400000>;
	bootph-all;
	status = "okay";

	ad7291: adc@20 {
		/* Emulated with MSPM0L1105 */
		compatible = "adi,ad7291";
		reg = <0x20>;
		vref-supply = <&adc_vref>;
	};

	eeprom: eeprom@50 {
		/* Emulated with MSPM0L1105 */
		compatible = "atmel,24c32";
		reg = <0x50>;
	};
};

&main_i2c2 {
	pinctrl-names = "default";
	pinctrl-0 = <&main_i2c2_pins_default>;
	clock-frequency = <400000>;
	bootph-all;
	status = "okay";
};

&mcu_m4fss {
	mboxes = <&mailbox0_cluster0 &mbox_m4_0>;
	memory-region = <&mcu_m4fss_dma_memory_region>,
			<&mcu_m4fss_memory_region>;
	status = "okay";
};

&mcu_pmx0 {
	wkup_uart0_pins_default: wkup-uart0-default-pins {
		pinctrl-single,pins = <
			AM62X_MCU_IOPAD(0x02c, PIN_INPUT, 0)	/* (C6/A7) WKUP_UART0_CTSn */
			AM62X_MCU_IOPAD(0x030, PIN_OUTPUT, 0)	/* (A4/B4) WKUP_UART0_RTSn */
			AM62X_MCU_IOPAD(0x024, PIN_INPUT, 0)	/* (B4/B5) WKUP_UART0_RXD */
			AM62X_MCU_IOPAD(0x028, PIN_OUTPUT, 0)	/* (C5/C6) WKUP_UART0_TXD */
		>;
		bootph-all;
	};

	wkup_i2c0_pins_default: wkup-i2c0-default-pins {
		pinctrl-single,pins = <
			AM62X_MCU_IOPAD(0x004c, PIN_INPUT_PULLUP, 0)	/* (B9) WKUP_I2C0_SCL */
			AM62X_MCU_IOPAD(0x0050, PIN_INPUT_PULLUP, 0)	/* (A9) WKUP_I2C0_SDA */
		>;
		bootph-all;
	};
};

&sdhci1 {
	/* SD/MMC */
	vmmc-supply = <&vdd_mmc1>;
	vqmmc-supply = <&vdd_sd_dv>;
	pinctrl-names = "default";
	pinctrl-0 = <&main_mmc1_pins_default>;
	disable-wp;
	cd-gpios = <&main_gpio1 48 GPIO_ACTIVE_LOW>;
	cd-debounce-delay-ms = <100>;
	bootph-all;
	ti,fails-without-test-cd;
	status = "okay";
};

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

&usb0 {
	/* This is a Type-C socket, but wired as USB 2.0 */
	dr_mode = "peripheral";
	bootph-all;
};

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

&usb1 {
	/*
	 * Default set here is compatible with original PocketBeagle,
	 * Expansion boards assumed this was pre-setup as host.
	 */
	dr_mode = "host";
	pinctrl-names = "default";
	pinctrl-0 = <&usb1_pins_default>;
};

&wkup_uart0 {
	/* WKUP UART0 is used by Device Manager firmware */
	pinctrl-names = "default";
	pinctrl-0 = <&wkup_uart0_pins_default>;
	bootph-all;
	status = "reserved";
};

&wkup_i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&wkup_i2c0_pins_default>;
	clock-frequency = <100000>;
	bootph-all;
	status = "okay";

	tps65219: pmic@30 {
		compatible = "ti,tps65219";
		reg = <0x30>;
		buck1-supply = <&vsys_5v0>;
		buck2-supply = <&vsys_5v0>;
		buck3-supply = <&vsys_5v0>;
		ldo1-supply = <&vdd_3v3>;
		ldo2-supply = <&buck2_reg>;
		ldo3-supply = <&vdd_3v3>;
		ldo4-supply = <&vdd_3v3>;

		pinctrl-names = "default";
		pinctrl-0 = <&pmic_irq_pins_default>;
		interrupt-parent = <&gic500>;
		interrupts = <GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>;
		interrupt-controller;
		#interrupt-cells = <1>;

		bootph-all;
		system-power-controller;
		ti,power-button;

		regulators {
			buck1_reg: buck1 {
				regulator-name = "VDD_CORE";
				regulator-min-microvolt = <850000>;
				regulator-max-microvolt = <850000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck2_reg: buck2 {
				regulator-name = "VDD_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			buck3_reg: buck3 {
				regulator-name = "VDD_1V2";
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo1_reg: ldo1 {
				/*
				 * Regulator is left as is unused, vdd_sd
				 * is controlled via GPIO with bypass config
				 * as per the NVM configuration
				 */
				regulator-name = "VDD_SD_3V3";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
				regulator-allow-bypass;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo2_reg: ldo2 {
				regulator-name = "VDDA_0V85";
				regulator-min-microvolt = <850000>;
				regulator-max-microvolt = <850000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo3_reg: ldo3 {
				regulator-name = "VDDA_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-boot-on;
				regulator-always-on;
			};

			ldo4_reg: ldo4 {
				regulator-name = "VDD_2V5";
				regulator-min-microvolt = <2500000>;
				regulator-max-microvolt = <2500000>;
				regulator-boot-on;
				regulator-always-on;
			};
		};
	};
};