// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) Siemens AG, 2018-2021 * * Authors: * Le Jin * Jan Kiszka * * AM6528-based (dual-core) IOT2050 Basic variant * 1 GB RAM, no eMMC, main_uart0 on connector X30 */ /dts-v1/; #include "k3-am65-iot2050-common.dtsi" / { compatible = "siemens,iot2050-basic", "ti,am654"; model = "SIMATIC IOT2050 Basic"; memory@80000000 { device_type = "memory"; /* 1G RAM */ reg = <0x00000000 0x80000000 0x00000000 0x40000000>; }; cpus { cpu-map { /delete-node/ cluster1; }; /delete-node/ cpu@100; /delete-node/ cpu@101; }; /delete-node/ l2-cache1; }; /* eMMC */ &sdhci0 { status = "disabled"; }; &main_pmx0 { main_uart0_pins_default: main-uart0-pins-default { pinctrl-single,pins = < AM65X_IOPAD(0x01e4, PIN_INPUT, 0) /* (AF11) UART0_RXD */ AM65X_IOPAD(0x01e8, PIN_OUTPUT, 0) /* (AE11) UART0_TXD */ AM65X_IOPAD(0x01ec, PIN_INPUT, 0) /* (AG11) UART0_CTSn */ AM65X_IOPAD(0x01f0, PIN_OUTPUT, 0) /* (AD11) UART0_RTSn */ AM65X_IOPAD(0x0188, PIN_INPUT, 1) /* (D25) UART0_DCDn */ AM65X_IOPAD(0x018c, PIN_INPUT, 1) /* (B26) UART0_DSRn */ AM65X_IOPAD(0x0190, PIN_OUTPUT, 1) /* (A24) UART0_DTRn */ AM65X_IOPAD(0x0194, PIN_INPUT, 1) /* (E24) UART0_RIN */ >; }; }; &main_uart0 { pinctrl-names = "default"; pinctrl-0 = <&main_uart0_pins_default>; };