1// SPDX-License-Identifier: GPL-2.0-or-later OR MIT 2/* 3 * Copyright (c) 2021 SUSE LLC 4 * Copyright 2019-2021, 2024 NXP 5 */ 6 7/dts-v1/; 8 9#include "s32g2.dtsi" 10#include "s32gxxxa-rdb.dtsi" 11 12/ { 13 model = "NXP S32G2 Reference Design Board 2 (S32G-VNP-RDB2)"; 14 compatible = "nxp,s32g274a-rdb2", "nxp,s32g2"; 15 16 aliases { 17 serial0 = &uart0; 18 serial1 = &uart1; 19 }; 20 21 chosen { 22 stdout-path = "serial0:115200n8"; 23 }; 24 25 /* 4GiB RAM */ 26 memory@80000000 { 27 device_type = "memory"; 28 reg = <0x0 0x80000000 0 0x80000000>, 29 <0x8 0x80000000 0 0x80000000>; 30 }; 31}; 32 33/* UART (J2) to Micro USB port */ 34&uart0 { 35 status = "okay"; 36}; 37 38/* UART (J1) to Micro USB port */ 39&uart1 { 40 status = "okay"; 41}; 42 43&stm0 { 44 status = "okay"; 45}; 46 47&stm1 { 48 status = "okay"; 49}; 50 51&stm2 { 52 status = "okay"; 53}; 54 55&stm3 { 56 status = "okay"; 57}; 58 59&swt0 { 60 status = "okay"; 61}; 62 63&usdhc0 { 64 pinctrl-names = "default", "state_100mhz", "state_200mhz"; 65 pinctrl-0 = <&pinctrl_usdhc0>; 66 pinctrl-1 = <&pinctrl_usdhc0_100mhz>; 67 pinctrl-2 = <&pinctrl_usdhc0_200mhz>; 68 disable-wp; 69 /* Remove no-1-8-v to enable higher speed modes for SD card. 70 * However, this is not enough to enable HS400 or HS200 modes for eMMC. 71 * In this case, the position of the resistor R797 must be changed 72 * from A to B before removing the property. 73 * If the property is removed without changing the resistor position, 74 * HS*00 may be enabled, but the interface might be unstable because of 75 * the wrong VCCQ voltage applied to the eMMC. 76 */ 77 no-1-8-v; 78 status = "okay"; 79}; 80