1// SPDX-License-Identifier: GPL-2.0 2/* 3 * Copyright (c) Siemens AG, 2018-2021 4 * 5 * Authors: 6 * Le Jin <le.jin@siemens.com> 7 * Jan Kiszka <jan.kiszk@siemens.com> 8 * 9 * AM6528-based (dual-core) IOT2050 Basic variant 10 * 1 GB RAM, no eMMC, main_uart0 on connector X30 11 */ 12 13/dts-v1/; 14 15#include "k3-am65-iot2050-common.dtsi" 16 17/ { 18 compatible = "siemens,iot2050-basic", "ti,am654"; 19 model = "SIMATIC IOT2050 Basic"; 20 21 memory@80000000 { 22 device_type = "memory"; 23 /* 1G RAM */ 24 reg = <0x00000000 0x80000000 0x00000000 0x40000000>; 25 }; 26 27 cpus { 28 cpu-map { 29 /delete-node/ cluster1; 30 }; 31 /delete-node/ cpu@100; 32 /delete-node/ cpu@101; 33 }; 34 35 /delete-node/ l2-cache1; 36}; 37 38/* eMMC */ 39&sdhci0 { 40 status = "disabled"; 41}; 42 43&main_pmx0 { 44 main_uart0_pins_default: main-uart0-pins-default { 45 pinctrl-single,pins = < 46 AM65X_IOPAD(0x01e4, PIN_INPUT, 0) /* (AF11) UART0_RXD */ 47 AM65X_IOPAD(0x01e8, PIN_OUTPUT, 0) /* (AE11) UART0_TXD */ 48 AM65X_IOPAD(0x01ec, PIN_INPUT, 0) /* (AG11) UART0_CTSn */ 49 AM65X_IOPAD(0x01f0, PIN_OUTPUT, 0) /* (AD11) UART0_RTSn */ 50 AM65X_IOPAD(0x0188, PIN_INPUT, 1) /* (D25) UART0_DCDn */ 51 AM65X_IOPAD(0x018c, PIN_INPUT, 1) /* (B26) UART0_DSRn */ 52 AM65X_IOPAD(0x0190, PIN_OUTPUT, 1) /* (A24) UART0_DTRn */ 53 AM65X_IOPAD(0x0194, PIN_INPUT, 1) /* (E24) UART0_RIN */ 54 >; 55 }; 56}; 57 58&main_uart0 { 59 pinctrl-names = "default"; 60 pinctrl-0 = <&main_uart0_pins_default>; 61}; 62