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1// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
2/*
3 * Copyright 2020-2021 TQ-Systems GmbH
4 */
5
6#include "imx8mn.dtsi"
7
8/ {
9 model = "TQ-Systems i.MX8MN TQMa8MxNL";
10 compatible = "tq,imx8mn-tqma8mqnl", "fsl,imx8mn";
11
12 memory@40000000 {
13 device_type = "memory";
14 /* our minimum RAM config will be 1024 MiB */
15 reg = <0x00000000 0x40000000 0 0x40000000>;
16 };
17
18 /* e-MMC IO, needed for HS modes */
19 reg_vcc1v8: regulator-vcc1v8 {
20 compatible = "regulator-fixed";
21 regulator-name = "TQMA8MXNL_VCC1V8";
22 regulator-min-microvolt = <1800000>;
23 regulator-max-microvolt = <1800000>;
24 };
25
26 reg_vcc3v3: regulator-vcc3v3 {
27 compatible = "regulator-fixed";
28 regulator-name = "TQMA8MXNL_VCC3V3";
29 regulator-min-microvolt = <3300000>;
30 regulator-max-microvolt = <3300000>;
31 };
32
33 reserved-memory {
34 #address-cells = <2>;
35 #size-cells = <2>;
36 ranges;
37
38 /* global autoconfigured region for contiguous allocations */
39 linux,cma {
40 compatible = "shared-dma-pool";
41 reusable;
42 /* 640 MiB */
43 size = <0 0x28000000>;
44 /* 1024 - 128 MiB, our minimum RAM config will be 1024 MiB */
45 alloc-ranges = <0 0x40000000 0 0x78000000>;
46 linux,cma-default;
47 };
48 };
49};
50
51&A53_0 {
52 cpu-supply = <&buck2_reg>;
53};
54
55&flexspi {
56 pinctrl-names = "default";
57 pinctrl-0 = <&pinctrl_flexspi>;
58 status = "okay";
59
60 flash0: flash@0 {
61 compatible = "jedec,spi-nor";
62 reg = <0>;
63 #address-cells = <1>;
64 #size-cells = <1>;
65 spi-max-frequency = <84000000>;
66 spi-tx-bus-width = <1>;
67 spi-rx-bus-width = <4>;
68 };
69};
70
71&i2c1 {
72 clock-frequency = <100000>;
73 pinctrl-names = "default", "gpio";
74 pinctrl-0 = <&pinctrl_i2c1>;
75 pinctrl-1 = <&pinctrl_i2c1_gpio>;
76 scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
77 sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
78 status = "okay";
79
80 sensor0: temperature-sensor@1b {
81 compatible = "nxp,se97b", "jedec,jc-42.4-temp";
82 reg = <0x1b>;
83 };
84
85 pca9450: pmic@25 {
86 compatible = "nxp,pca9450a";
87 reg = <0x25>;
88
89 /* PMIC PCA9450 PMIC_nINT GPIO1_IO08 */
90 pinctrl-0 = <&pinctrl_pmic>;
91 pinctrl-names = "default";
92 interrupt-parent = <&gpio1>;
93 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
94
95 regulators {
96 /* V_0V85_SOC: 0.85 .. 0.95 */
97 buck1_reg: BUCK1 {
98 regulator-name = "BUCK1";
99 regulator-min-microvolt = <850000>;
100 regulator-max-microvolt = <950000>;
101 regulator-boot-on;
102 regulator-always-on;
103 regulator-ramp-delay = <3125>;
104 };
105
106 /* VDD_ARM */
107 buck2_reg: BUCK2 {
108 regulator-name = "BUCK2";
109 regulator-min-microvolt = <850000>;
110 regulator-max-microvolt = <1000000>;
111 regulator-boot-on;
112 regulator-always-on;
113 nxp,dvs-run-voltage = <950000>;
114 nxp,dvs-standby-voltage = <850000>;
115 regulator-ramp-delay = <3125>;
116 };
117
118 /* V_0V85_GPU / DRAM: shall be equal to BUCK1 for i.MX8MN */
119 buck3_reg: BUCK3 {
120 regulator-name = "BUCK3";
121 regulator-min-microvolt = <850000>;
122 regulator-max-microvolt = <950000>;
123 regulator-boot-on;
124 regulator-always-on;
125 regulator-ramp-delay = <3125>;
126 };
127
128 /* VCC3V3 -> VMMC, ... must not be changed */
129 buck4_reg: BUCK4 {
130 regulator-name = "BUCK4";
131 regulator-min-microvolt = <3300000>;
132 regulator-max-microvolt = <3300000>;
133 regulator-boot-on;
134 regulator-always-on;
135 };
136
137 /* V_1V8 -> VQMMC, SPI-NOR, ... must not be changed */
138 buck5_reg: BUCK5 {
139 regulator-name = "BUCK5";
140 regulator-min-microvolt = <1800000>;
141 regulator-max-microvolt = <1800000>;
142 regulator-boot-on;
143 regulator-always-on;
144 };
145
146 /* V_1V1 -> RAM, ... must not be changed */
147 buck6_reg: BUCK6 {
148 regulator-name = "BUCK6";
149 regulator-min-microvolt = <1100000>;
150 regulator-max-microvolt = <1100000>;
151 regulator-boot-on;
152 regulator-always-on;
153 };
154
155 /* V_1V8_SNVS */
156 ldo1_reg: LDO1 {
157 regulator-name = "LDO1";
158 regulator-min-microvolt = <1800000>;
159 regulator-max-microvolt = <1800000>;
160 regulator-boot-on;
161 regulator-always-on;
162 };
163
164 /* V_0V8_SNVS */
165 ldo2_reg: LDO2 {
166 regulator-name = "LDO2";
167 regulator-min-microvolt = <800000>;
168 regulator-max-microvolt = <850000>;
169 regulator-boot-on;
170 regulator-always-on;
171 };
172
173 /* V_1V8_ANA */
174 ldo3_reg: LDO3 {
175 regulator-name = "LDO3";
176 regulator-min-microvolt = <1800000>;
177 regulator-max-microvolt = <1800000>;
178 regulator-boot-on;
179 regulator-always-on;
180 };
181
182 /* V_0V9_MIPI */
183 ldo4_reg: LDO4 {
184 regulator-name = "LDO4";
185 regulator-min-microvolt = <900000>;
186 regulator-max-microvolt = <900000>;
187 regulator-boot-on;
188 regulator-always-on;
189 };
190
191 /* VCC SD IO - switched using SD2 VSELECT */
192 ldo5_reg: LDO5 {
193 regulator-name = "LDO5";
194 regulator-min-microvolt = <1800000>;
195 regulator-max-microvolt = <3300000>;
196 };
197 };
198 };
199
200 pcf85063: rtc@51 {
201 compatible = "nxp,pcf85063a";
202 reg = <0x51>;
203 quartz-load-femtofarads = <7000>;
204 };
205
206 eeprom1: eeprom@53 {
207 compatible = "nxp,se97b", "atmel,24c02";
208 read-only;
209 reg = <0x53>;
210 pagesize = <16>;
211 vcc-supply = <®_vcc3v3>;
212 };
213
214 eeprom0: eeprom@57 {
215 compatible = "atmel,24c64";
216 reg = <0x57>;
217 pagesize = <32>;
218 vcc-supply = <®_vcc3v3>;
219 };
220};
221
222&mipi_dsi {
223 vddcore-supply = <&ldo4_reg>;
224 vddio-supply = <&ldo3_reg>;
225};
226
227&usdhc3 {
228 pinctrl-names = "default", "state_100mhz", "state_200mhz";
229 pinctrl-0 = <&pinctrl_usdhc3>;
230 pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
231 pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
232 bus-width = <8>;
233 non-removable;
234 no-sd;
235 no-sdio;
236 vmmc-supply = <®_vcc3v3>;
237 vqmmc-supply = <®_vcc1v8>;
238 status = "okay";
239};
240
241/*
242 * Attention:
243 * wdog reset is routed to PMIC, PMIC must be preconfigured to force POR
244 * without LDO for SNVS. GPIO1_IO02 must not be used as GPIO.
245 */
246&wdog1 {
247 pinctrl-names = "default";
248 pinctrl-0 = <&pinctrl_wdog>;
249 fsl,ext-reset-output;
250 status = "okay";
251};
252
253&iomuxc {
254 pinctrl_flexspi: flexspigrp {
255 fsl,pins = <MX8MN_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x84>,
256 <MX8MN_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B 0x84>,
257 <MX8MN_IOMUXC_NAND_DATA00_QSPI_A_DATA0 0x84>,
258 <MX8MN_IOMUXC_NAND_DATA01_QSPI_A_DATA1 0x84>,
259 <MX8MN_IOMUXC_NAND_DATA02_QSPI_A_DATA2 0x84>,
260 <MX8MN_IOMUXC_NAND_DATA03_QSPI_A_DATA3 0x84>;
261 };
262
263 pinctrl_i2c1: i2c1grp {
264 fsl,pins = <MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c4>,
265 <MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c4>;
266 };
267
268 pinctrl_i2c1_gpio: i2c1gpiogrp {
269 fsl,pins = <MX8MN_IOMUXC_I2C1_SCL_GPIO5_IO14 0x400001c4>,
270 <MX8MN_IOMUXC_I2C1_SDA_GPIO5_IO15 0x400001c4>;
271 };
272
273 pinctrl_pmic: pmicgrp {
274 fsl,pins = <MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8 0x84>;
275 };
276
277 pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
278 fsl,pins = <MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x84>;
279 };
280
281 pinctrl_usdhc3: usdhc3grp {
282 fsl,pins = <MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d4>,
283 <MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2>,
284 <MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4>,
285 <MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4>,
286 <MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4>,
287 <MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4>,
288 <MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4>,
289 <MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4>,
290 <MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4>,
291 <MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4>,
292 <MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x84>,
293 <MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84>;
294 };
295
296 pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
297 fsl,pins = <MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d2>,
298 <MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2>,
299 <MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4>,
300 <MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4>,
301 <MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4>,
302 <MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4>,
303 <MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4>,
304 <MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4>,
305 <MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4>,
306 <MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4>,
307 <MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x84>,
308 <MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84>;
309 };
310
311 pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
312 fsl,pins = <MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x1d6>,
313 <MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d2>,
314 <MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4>,
315 <MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4>,
316 <MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4>,
317 <MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4>,
318 <MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4>,
319 <MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4>,
320 <MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4>,
321 <MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4>,
322 <MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x84>,
323 <MX8MN_IOMUXC_NAND_READY_B_USDHC3_RESET_B 0x84>;
324 };
325
326 pinctrl_wdog: wdoggrp {
327 fsl,pins = <MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x84>;
328 };
329};