// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2022-2023 Texas Instruments Incorporated - https://www.ti.com/ * * Design Files: https://www.ti.com/lit/zip/SPRR466 * TRM: https://www.ti.com/lit/zip/spruj52 */ /dts-v1/; #include #include #include "k3-j784s4.dtsi" / { compatible = "ti,am69-sk", "ti,j784s4"; model = "Texas Instruments AM69 SK"; chosen { stdout-path = "serial2:115200n8"; }; aliases { serial2 = &main_uart8; mmc1 = &main_sdhci1; i2c0 = &main_i2c0; }; memory@80000000 { device_type = "memory"; /* 32G RAM */ reg = <0x00 0x80000000 0x00 0x80000000>, <0x08 0x80000000 0x07 0x80000000>; }; reserved_memory: reserved-memory { #address-cells = <2>; #size-cells = <2>; ranges; secure_ddr: optee@9e800000 { reg = <0x00 0x9e800000 0x00 0x01800000>; no-map; }; }; vusb_main: regulator-vusb-main5v0 { /* USB MAIN INPUT 5V DC */ compatible = "regulator-fixed"; regulator-name = "vusb-main5v0"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; regulator-always-on; regulator-boot-on; }; vsys_5v0: regulator-vsys5v0 { /* Output of LM61460 */ compatible = "regulator-fixed"; regulator-name = "vsys_5v0"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; vin-supply = <&vusb_main>; regulator-always-on; regulator-boot-on; }; vsys_3v3: regulator-vsys3v3 { /* Output of LM5143 */ compatible = "regulator-fixed"; regulator-name = "vsys_3v3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; vin-supply = <&vusb_main>; regulator-always-on; regulator-boot-on; }; vdd_mmc1: regulator-sd { /* Output of TPS22918 */ compatible = "regulator-fixed"; regulator-name = "vdd_mmc1"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-boot-on; enable-active-high; vin-supply = <&vsys_3v3>; gpio = <&exp1 2 GPIO_ACTIVE_HIGH>; }; vdd_sd_dv: regulator-tlv71033 { /* Output of TLV71033 */ compatible = "regulator-gpio"; regulator-name = "tlv71033"; pinctrl-names = "default"; pinctrl-0 = <&vdd_sd_dv_pins_default>; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-boot-on; vin-supply = <&vsys_5v0>; gpios = <&main_gpio0 49 GPIO_ACTIVE_HIGH>; states = <1800000 0x0>, <3300000 0x1>; }; }; &main_pmx0 { main_uart8_pins_default: main-uart8-pins-default { pinctrl-single,pins = < J784S4_IOPAD(0x0d0, PIN_INPUT, 11) /* (AP38) SPI0_CS1.UART8_RXD */ J784S4_IOPAD(0x0d4, PIN_OUTPUT, 11) /* (AN38) SPI0_CLK.UART8_TXD */ >; }; main_i2c0_pins_default: main-i2c0-pins-default { pinctrl-single,pins = < J784S4_IOPAD(0x0e0, PIN_INPUT_PULLUP, 0) /* (AN36) I2C0_SCL */ J784S4_IOPAD(0x0e4, PIN_INPUT_PULLUP, 0) /* (AP37) I2C0_SDA */ >; }; main_mmc1_pins_default: main-mmc1-pins-default { pinctrl-single,pins = < J784S4_IOPAD(0x104, PIN_INPUT, 0) /* (AB38) MMC1_CLK */ J784S4_IOPAD(0x108, PIN_INPUT, 0) /* (AB36) MMC1_CMD */ J784S4_IOPAD(0x100, PIN_INPUT, 0) /* (No Pin) MMC1_CLKLB */ J784S4_IOPAD(0x0fc, PIN_INPUT, 0) /* (AA33) MMC1_DAT0 */ J784S4_IOPAD(0x0f8, PIN_INPUT, 0) /* (AB34) MMC1_DAT1 */ J784S4_IOPAD(0x0f4, PIN_INPUT, 0) /* (AA32) MMC1_DAT2 */ J784S4_IOPAD(0x0f0, PIN_INPUT, 0) /* (AC38) MMC1_DAT3 */ J784S4_IOPAD(0x0e8, PIN_INPUT, 8) /* (AR38) TIMER_IO0.MMC1_SDCD */ >; }; vdd_sd_dv_pins_default: vdd-sd-dv-pins-default { pinctrl-single,pins = < J784S4_IOPAD(0x0C4, PIN_INPUT, 7) /* (AD36) ECAP0_IN_APWM_OUT.GPIO0_49 */ >; }; }; &main_uart8 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&main_uart8_pins_default>; }; &main_i2c0 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&main_i2c0_pins_default>; clock-frequency = <400000>; exp1: gpio@21 { compatible = "ti,tca6416"; reg = <0x21>; gpio-controller; #gpio-cells = <2>; gpio-line-names = "BOARDID_EEPROM_WP", "CAN_STB", "GPIO_uSD_PWR_EN", "IO_EXP_MCU_RGMII_RST#", "IO_EXP_PCIe0_4L_PERST#", "IO_EXP_PCIe1_M.2_RTSz", "IO_EXP_PCIe3_M.2_RTSz", "PM_INA_BUS_EN", "ENET1_EXP_PWRDN", "EXP1_ENET_RSTz", "ENET1_I2CMUX_SEL", "PCIe0_CLKREQ#", "PCIe1_M.2_CLKREQ#", "PCIe3_M2_CLKREQ#", "PCIe0_PRSNT2#_1", "PCIe0_PRSNT2#_2"; }; }; &main_sdhci1 { /* SD card */ status = "okay"; pinctrl-0 = <&main_mmc1_pins_default>; pinctrl-names = "default"; disable-wp; vmmc-supply = <&vdd_mmc1>; vqmmc-supply = <&vdd_sd_dv>; }; &main_gpio0 { status = "okay"; };