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 11/ { 12 model = "NXP S32G2 Reference Design Board 2 (S32G-VNP-RDB2)"; 13 compatible = "nxp,s32g274a-rdb2", "nxp,s32g2"; 14 15 aliases { 16 serial0 = &uart0; 17 serial1 = &uart1; 18 }; 19 20 chosen { 21 stdout-path = "serial0:115200n8"; 22 }; 23 24 /* 4GiB RAM */ 25 memory@80000000 { 26 device_type = "memory"; 27 reg = <0x0 0x80000000 0 0x80000000>, 28 <0x8 0x80000000 0 0x80000000>; 29 }; 30}; 31 32/* UART (J2) to Micro USB port */ 33&uart0 { 34 status = "okay"; 35}; 36 37/* UART (J1) to Micro USB port */ 38&uart1 { 39 status = "okay"; 40}; 41 42&usdhc0 { 43 pinctrl-names = "default", "state_100mhz", "state_200mhz"; 44 pinctrl-0 = <&pinctrl_usdhc0>; 45 pinctrl-1 = <&pinctrl_usdhc0_100mhz>; 46 pinctrl-2 = <&pinctrl_usdhc0_200mhz>; 47 disable-wp; 48 /* Remove no-1-8-v to enable higher speed modes for SD card. 49 * However, this is not enough to enable HS400 or HS200 modes for eMMC. 50 * In this case, the position of the resistor R797 must be changed 51 * from A to B before removing the property. 52 * If the property is removed without changing the resistor position, 53 * HS*00 may be enabled, but the interface might be unstable because of 54 * the wrong VCCQ voltage applied to the eMMC. 55 */ 56 no-1-8-v; 57 status = "okay"; 58}; 59