// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * Copyright (C) 2020 * Author(s): Giulio Benetti */ /dts-v1/; #include "imxrt1020.dtsi" #include "imxrt1020-pinfunc.h" / { model = "NXP IMXRT1020-evk board"; compatible = "fsl,imxrt1020-evk", "fsl,imxrt1020"; chosen { bootargs = "root=/dev/ram"; stdout-path = "serial0:115200n8"; tick-timer = &gpt1; }; memory { device_type = "memory"; reg = <0x80000000 0x2000000>; }; }; &lpuart1 { /* console */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_lpuart1>; status = "okay"; }; &semc { /* * Memory configuration from sdram datasheet IS42S16160J-6TLI */ fsl,sdram-mux = /bits/ 8 ; fsl,sdram-control = /bits/ 8 ; fsl,sdram-timing = /bits/ 8 <0x2 0x2 0x9 0x1 0x5 0x6 0x20 0x09 0x01 0x00 0x04 0x0A 0x21 0x50>; bank1: bank@0 { fsl,base-address = <0x80000000>; fsl,memory-size = ; }; }; &iomuxc { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_lpuart1>; imxrt1020-evk { pinctrl_lpuart1: lpuart1grp { fsl,pins = < MXRT1020_IOMUXC_GPIO_AD_B0_06_LPUART1_TX 0xf1 MXRT1020_IOMUXC_GPIO_AD_B0_07_LPUART1_RX 0xf1 >; }; pinctrl_semc: semcgrp { fsl,pins = < MXRT1020_IOMUXC_GPIO_EMC_00_SEMC_DA00 0xf1 /* SEMC_D0 */ MXRT1020_IOMUXC_GPIO_EMC_01_SEMC_DA01 0xf1 /* SEMC_D1 */ MXRT1020_IOMUXC_GPIO_EMC_02_SEMC_DA02 0xf1 /* SEMC_D2 */ MXRT1020_IOMUXC_GPIO_EMC_03_SEMC_DA03 0xf1 /* SEMC_D3 */ MXRT1020_IOMUXC_GPIO_EMC_04_SEMC_DA04 0xf1 /* SEMC_D4 */ MXRT1020_IOMUXC_GPIO_EMC_05_SEMC_DA05 0xf1 /* SEMC_D5 */ MXRT1020_IOMUXC_GPIO_EMC_06_SEMC_DA06 0xf1 /* SEMC_D6 */ MXRT1020_IOMUXC_GPIO_EMC_07_SEMC_DA07 0xf1 /* SEMC_D7 */ MXRT1020_IOMUXC_GPIO_EMC_08_SEMC_DM00 0xf1 /* SEMC_DM0 */ MXRT1020_IOMUXC_GPIO_EMC_09_SEMC_ADDR00 0xf1 /* SEMC_A0 */ MXRT1020_IOMUXC_GPIO_EMC_10_SEMC_CAS 0xf1 /* SEMC_CAS */ MXRT1020_IOMUXC_GPIO_EMC_11_SEMC_RAS 0xf1 /* SEMC_RAS */ MXRT1020_IOMUXC_GPIO_EMC_12_SEMC_CS0 0xf1 /* SEMC_CS0 */ MXRT1020_IOMUXC_GPIO_EMC_13_SEMC_BA0 0xf1 /* SEMC_BA0 */ MXRT1020_IOMUXC_GPIO_EMC_14_SEMC_BA1 0xf1 /* SEMC_BA1 */ MXRT1020_IOMUXC_GPIO_EMC_15_SEMC_ADDR10 0xf1 /* SEMC_A10 */ MXRT1020_IOMUXC_GPIO_EMC_16_SEMC_ADDR00 0xf1 /* SEMC_A0 */ MXRT1020_IOMUXC_GPIO_EMC_17_SEMC_ADDR01 0xf1 /* SEMC_A1 */ MXRT1020_IOMUXC_GPIO_EMC_18_SEMC_ADDR02 0xf1 /* SEMC_A2 */ MXRT1020_IOMUXC_GPIO_EMC_19_SEMC_ADDR03 0xf1 /* SEMC_A3 */ MXRT1020_IOMUXC_GPIO_EMC_20_SEMC_ADDR04 0xf1 /* SEMC_A4 */ MXRT1020_IOMUXC_GPIO_EMC_21_SEMC_ADDR05 0xf1 /* SEMC_A5 */ MXRT1020_IOMUXC_GPIO_EMC_22_SEMC_ADDR06 0xf1 /* SEMC_A6 */ MXRT1020_IOMUXC_GPIO_EMC_23_SEMC_ADDR07 0xf1 /* SEMC_A7 */ MXRT1020_IOMUXC_GPIO_EMC_24_SEMC_ADDR08 0xf1 /* SEMC_A8 */ MXRT1020_IOMUXC_GPIO_EMC_25_SEMC_ADDR09 0xf1 /* SEMC_A9 */ MXRT1020_IOMUXC_GPIO_EMC_26_SEMC_ADDR11 0xf1 /* SEMC_A11 */ MXRT1020_IOMUXC_GPIO_EMC_27_SEMC_ADDR12 0xf1 /* SEMC_A12 */ MXRT1020_IOMUXC_GPIO_EMC_28_SEMC_DQS (IMX_PAD_SION | 0xf1) /* SEMC_DQS */ MXRT1020_IOMUXC_GPIO_EMC_29_SEMC_CKE 0xf1 /* SEMC_CKE */ MXRT1020_IOMUXC_GPIO_EMC_30_SEMC_CLK 0xf1 /* SEMC_CLK */ MXRT1020_IOMUXC_GPIO_EMC_31_SEMC_DM01 0xf1 /* SEMC_DM01 */ MXRT1020_IOMUXC_GPIO_EMC_32_SEMC_DATA08 0xf1 /* SEMC_D8 */ MXRT1020_IOMUXC_GPIO_EMC_33_SEMC_DATA09 0xf1 /* SEMC_D9 */ MXRT1020_IOMUXC_GPIO_EMC_34_SEMC_DATA10 0xf1 /* SEMC_D10 */ MXRT1020_IOMUXC_GPIO_EMC_35_SEMC_DATA11 0xf1 /* SEMC_D11 */ MXRT1020_IOMUXC_GPIO_EMC_36_SEMC_DATA12 0xf1 /* SEMC_D12 */ MXRT1020_IOMUXC_GPIO_EMC_37_SEMC_DATA13 0xf1 /* SEMC_D13 */ MXRT1020_IOMUXC_GPIO_EMC_38_SEMC_DATA14 0xf1 /* SEMC_D14 */ MXRT1020_IOMUXC_GPIO_EMC_39_SEMC_DATA15 0xf1 /* SEMC_D15 */ >; }; pinctrl_usdhc0: usdhc0grp { fsl,pins = < MXRT1020_IOMUXC_GPIO_SD_B0_06_USDHC1_CD_B 0x1B000 MXRT1020_IOMUXC_GPIO_SD_B0_02_USDHC1_CMD 0x17061 MXRT1020_IOMUXC_GPIO_SD_B0_03_USDHC1_CLK 0x17061 MXRT1020_IOMUXC_GPIO_SD_B0_01_USDHC1_DATA3 0x17061 MXRT1020_IOMUXC_GPIO_SD_B0_00_USDHC1_DATA2 0x17061 MXRT1020_IOMUXC_GPIO_SD_B0_05_USDHC1_DATA1 0x17061 MXRT1020_IOMUXC_GPIO_SD_B0_04_USDHC1_DATA0 0x17061 >; }; }; }; &gpt1 { status = "okay"; }; &usdhc1 { pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep"; pinctrl-0 = <&pinctrl_usdhc0>; pinctrl-1 = <&pinctrl_usdhc0>; pinctrl-2 = <&pinctrl_usdhc0>; pinctrl-3 = <&pinctrl_usdhc0>; status = "okay"; cd-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>; };