--- /dev/null
+// 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;
+ };
+ };
+ };
+};
projects / users / jedix / linux-maple.git / commitdiff