| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (c) Siemens AG, 2018-2021 |
| * |
| * Authors: |
| * Le Jin <le.jin@siemens.com> |
| * Jan Kiszka <jan.kiszk@siemens.com> |
| * |
| * 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>; |
| }; |
| |
| &mcu_r5fss0 { |
| /* lock-step mode not supported on this board */ |
| ti,cluster-mode = <0>; |
| }; |
