arch/arm/dts/imxrt1020-evk.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
   2 /*
   3  * Copyright (C) 2020
   4  * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
   5  */
   6
   7 /dts-v1/;
   8 #include "imxrt1020.dtsi"
   9 #include "imxrt1020-evk-u-boot.dtsi"
  10 #include <dt-bindings/pinctrl/pins-imxrt1020.h>
  11
  12 / {
  13         model = "NXP IMXRT1020-evk board";
  14         compatible = "fsl,imxrt1020-evk", "fsl,imxrt1020";
  15
  16         chosen {
  17                 bootargs = "root=/dev/ram";
  18                 stdout-path = "serial0:115200n8";
  19         };
  20
  21         memory {
  22                 reg = <0x80000000 0x2000000>;
  23         };
  24 };
  25
  26 &lpuart1 { /* console */
  27         pinctrl-names = "default";
  28         pinctrl-0 = <&pinctrl_lpuart1>;
  29         status = "okay";
  30 };
  31
  32 &semc {
  33         /*
  34          * Memory configuration from sdram datasheet IS42S16160J-6TLI
  35          */
  36         fsl,sdram-mux = /bits/ 8 <MUX_A8_SDRAM_A8
  37                                 MUX_CSX0_SDRAM_CS1
  38                                 0
  39                                 0
  40                                 0
  41                                 0>;
  42         fsl,sdram-control = /bits/ 8 <MEM_WIDTH_16BITS
  43                                         BL_8
  44                                         COL_9BITS
  45                                         CL_3>;
  46         fsl,sdram-timing = /bits/ 8 <0x2
  47                                      0x2
  48                                      0x9
  49                                      0x1
  50                                      0x5
  51                                      0x6
  52
  53                                      0x20
  54                                      0x09
  55                                      0x01
  56                                      0x00
  57
  58                                      0x04
  59                                      0x0A
  60                                      0x21
  61                                      0x50>;
  62
  63         bank1: bank@0 {
  64                 fsl,base-address = <0x80000000>;
  65                 fsl,memory-size = <MEM_SIZE_32M>;
  66         };
  67 };
  68
  69 &iomuxc {
  70         pinctrl-names = "default";
  71         pinctrl-0 = <&pinctrl_lpuart1>;
  72
  73         imxrt1020-evk {
  74                 pinctrl_lpuart1: lpuart1grp {
  75                         fsl,pins = <
  76                                 MXRT1020_IOMUXC_GPIO_AD_B0_06_LPUART1_TX
  77                                         0xf1
  78                                 MXRT1020_IOMUXC_GPIO_AD_B0_07_LPUART1_RX
  79                                         0xf1
  80                         >;
  81                 };
  82
  83                 pinctrl_semc: semcgrp {
  84                         fsl,pins = <
  85                                 MXRT1020_IOMUXC_GPIO_EMC_00_SEMC_DA00
  86                                         0xf1    /* SEMC_D0 */
  87                                 MXRT1020_IOMUXC_GPIO_EMC_01_SEMC_DA01
  88                                         0xf1    /* SEMC_D1 */
  89                                 MXRT1020_IOMUXC_GPIO_EMC_02_SEMC_DA02
  90                                         0xf1    /* SEMC_D2 */
  91                                 MXRT1020_IOMUXC_GPIO_EMC_03_SEMC_DA03
  92                                         0xf1    /* SEMC_D3 */
  93                                 MXRT1020_IOMUXC_GPIO_EMC_04_SEMC_DA04
  94                                         0xf1    /* SEMC_D4 */
  95                                 MXRT1020_IOMUXC_GPIO_EMC_05_SEMC_DA05
  96                                         0xf1    /* SEMC_D5 */
  97                                 MXRT1020_IOMUXC_GPIO_EMC_06_SEMC_DA06
  98                                         0xf1    /* SEMC_D6 */
  99                                 MXRT1020_IOMUXC_GPIO_EMC_07_SEMC_DA07
 100                                         0xf1    /* SEMC_D7 */
 101                                 MXRT1020_IOMUXC_GPIO_EMC_08_SEMC_DM00
 102                                         0xf1    /* SEMC_DM0 */
 103                                 MXRT1020_IOMUXC_GPIO_EMC_09_SEMC_ADDR00
 104                                         0xf1    /* SEMC_A0 */
 105                                 MXRT1020_IOMUXC_GPIO_EMC_10_SEMC_CAS
 106                                         0xf1    /* SEMC_CAS */
 107                                 MXRT1020_IOMUXC_GPIO_EMC_11_SEMC_RAS
 108                                         0xf1    /* SEMC_RAS */
 109                                 MXRT1020_IOMUXC_GPIO_EMC_12_SEMC_CS0
 110                                         0xf1    /* SEMC_CS0 */
 111                                 MXRT1020_IOMUXC_GPIO_EMC_13_SEMC_BA0
 112                                         0xf1    /* SEMC_BA0 */
 113                                 MXRT1020_IOMUXC_GPIO_EMC_14_SEMC_BA1
 114                                         0xf1    /* SEMC_BA1 */
 115                                 MXRT1020_IOMUXC_GPIO_EMC_15_SEMC_ADDR10
 116                                         0xf1    /* SEMC_A10 */
 117                                 MXRT1020_IOMUXC_GPIO_EMC_16_SEMC_ADDR00
 118                                         0xf1    /* SEMC_A0 */
 119                                 MXRT1020_IOMUXC_GPIO_EMC_17_SEMC_ADDR01
 120                                         0xf1    /* SEMC_A1 */
 121                                 MXRT1020_IOMUXC_GPIO_EMC_18_SEMC_ADDR02
 122                                         0xf1    /* SEMC_A2 */
 123                                 MXRT1020_IOMUXC_GPIO_EMC_19_SEMC_ADDR03
 124                                         0xf1    /* SEMC_A3 */
 125                                 MXRT1020_IOMUXC_GPIO_EMC_20_SEMC_ADDR04
 126                                         0xf1    /* SEMC_A4 */
 127                                 MXRT1020_IOMUXC_GPIO_EMC_21_SEMC_ADDR05
 128                                         0xf1    /* SEMC_A5 */
 129                                 MXRT1020_IOMUXC_GPIO_EMC_22_SEMC_ADDR06
 130                                         0xf1    /* SEMC_A6 */
 131                                 MXRT1020_IOMUXC_GPIO_EMC_23_SEMC_ADDR07
 132                                         0xf1    /* SEMC_A7 */
 133                                 MXRT1020_IOMUXC_GPIO_EMC_24_SEMC_ADDR08
 134                                         0xf1    /* SEMC_A8 */
 135                                 MXRT1020_IOMUXC_GPIO_EMC_25_SEMC_ADDR09
 136                                         0xf1    /* SEMC_A9 */
 137                                 MXRT1020_IOMUXC_GPIO_EMC_26_SEMC_ADDR11
 138                                         0xf1    /* SEMC_A11 */
 139                                 MXRT1020_IOMUXC_GPIO_EMC_27_SEMC_ADDR12
 140                                         0xf1    /* SEMC_A12 */
 141                                 MXRT1020_IOMUXC_GPIO_EMC_28_SEMC_DQS
 142                                         (IMX_PAD_SION | 0xf1)   /* SEMC_DQS */
 143                                 MXRT1020_IOMUXC_GPIO_EMC_29_SEMC_CKE
 144                                         0xf1    /* SEMC_CKE */
 145                                 MXRT1020_IOMUXC_GPIO_EMC_30_SEMC_CLK
 146                                         0xf1    /* SEMC_CLK */
 147                                 MXRT1020_IOMUXC_GPIO_EMC_31_SEMC_DM01
 148                                         0xf1    /* SEMC_DM01 */
 149                                 MXRT1020_IOMUXC_GPIO_EMC_32_SEMC_DATA08
 150                                         0xf1    /* SEMC_D8 */
 151                                 MXRT1020_IOMUXC_GPIO_EMC_33_SEMC_DATA09
 152                                         0xf1    /* SEMC_D9 */
 153                                 MXRT1020_IOMUXC_GPIO_EMC_34_SEMC_DATA10
 154                                         0xf1    /* SEMC_D10 */
 155                                 MXRT1020_IOMUXC_GPIO_EMC_35_SEMC_DATA11
 156                                         0xf1    /* SEMC_D11 */
 157                                 MXRT1020_IOMUXC_GPIO_EMC_36_SEMC_DATA12
 158                                         0xf1    /* SEMC_D12 */
 159                                 MXRT1020_IOMUXC_GPIO_EMC_37_SEMC_DATA13
 160                                         0xf1    /* SEMC_D13 */
 161                                 MXRT1020_IOMUXC_GPIO_EMC_38_SEMC_DATA14
 162                                         0xf1    /* SEMC_D14 */
 163                                 MXRT1020_IOMUXC_GPIO_EMC_39_SEMC_DATA15
 164                                         0xf1    /* SEMC_D15 */
 165                         >;
 166                 };
 167
 168                 pinctrl_usdhc0: usdhc0grp {
 169                         fsl,pins = <
 170                                 MXRT1020_IOMUXC_GPIO_SD_B0_06_USDHC1_CD_B
 171                                         0x1B000
 172                                 MXRT1020_IOMUXC_GPIO_SD_B0_02_USDHC1_CMD
 173                                         0x17061
 174                                 MXRT1020_IOMUXC_GPIO_SD_B0_03_USDHC1_CLK
 175                                         0x17061
 176                                 MXRT1020_IOMUXC_GPIO_SD_B0_01_USDHC1_DATA3
 177                                         0x17061
 178                                 MXRT1020_IOMUXC_GPIO_SD_B0_00_USDHC1_DATA2
 179                                         0x17061
 180                                 MXRT1020_IOMUXC_GPIO_SD_B0_05_USDHC1_DATA1
 181                                         0x17061
 182                                 MXRT1020_IOMUXC_GPIO_SD_B0_04_USDHC1_DATA0
 183                                         0x17061
 184                         >;
 185                 };
 186         };
 187 };
 188
 189 &usdhc1 {
 190         pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
 191         pinctrl-0 = <&pinctrl_usdhc0>;
 192         pinctrl-1 = <&pinctrl_usdhc0>;
 193         pinctrl-2 = <&pinctrl_usdhc0>;
 194         pinctrl-3 = <&pinctrl_usdhc0>;
 195         status = "okay";
 196
 197         cd-gpios = <&gpio3 19 GPIO_ACTIVE_LOW>;
 198 };