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};
199