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// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
* Copyright (C) 2020
* Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
*/
/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 <MUX_A8_SDRAM_A8
MUX_CSX0_SDRAM_CS1
0
0
0
0>;
fsl,sdram-control = /bits/ 8 <MEM_WIDTH_16BITS
BL_8
COL_9BITS
CL_3>;
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 = <MEM_SIZE_32M>;
};
};
&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>;
};
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