1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /*
3 * Copyright 2020 Compass Electronics Group, LLC
4 */
5
6 #include "imx8mn-overdrive.dtsi"
7
8 / {
9 aliases {
10 rtc0 = &rtc;
11 rtc1 = &snvs_rtc;
12 spi0 = &flexspi;
13 };
14
15 usdhc1_pwrseq: usdhc1_pwrseq {
16 compatible = "mmc-pwrseq-simple";
17 pinctrl-names = "default";
18 pinctrl-0 = <&pinctrl_usdhc1_gpio>;
19 reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
20 clocks = <&osc_32k>;
21 clock-names = "ext_clock";
22 post-power-on-delay-ms = <80>;
23 };
24
25 memory@40000000 {
26 device_type = "memory";
27 reg = <0x0 0x40000000 0 0x80000000>;
28 };
29 };
30
31 &A53_0 {
32 cpu-supply = <&buck2_reg>;
33 };
34
35 &A53_1 {
36 cpu-supply = <&buck2_reg>;
37 };
38
39 &A53_2 {
40 cpu-supply = <&buck2_reg>;
41 };
42
43 &A53_3 {
44 cpu-supply = <&buck2_reg>;
45 };
46
47 /* DDR controller is running LPDDR at 800MHz which requires 0.95V */
48 &a53_opp_table {
49 opp-1200000000 {
50 opp-microvolt = <950000>;
51 };
52 };
53
54 &ddrc {
55 operating-points-v2 = <&ddrc_opp_table>;
56
57 ddrc_opp_table: opp-table {
58 compatible = "operating-points-v2";
59
60 opp-25000000 {
61 opp-hz = /bits/ 64 <25000000>;
62 };
63
64 opp-100000000 {
65 opp-hz = /bits/ 64 <100000000>;
66 };
67
68 opp-800000000 {
69 opp-hz = /bits/ 64 <800000000>;
70 };
71 };
72 };
73
74 &fec1 {
75 pinctrl-names = "default";
76 pinctrl-0 = <&pinctrl_fec1>;
77 phy-mode = "rgmii-id";
78 phy-handle = <ðphy0>;
79 phy-supply = <&buck6_reg>;
80 phy-reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
81 fsl,magic-packet;
82 status = "okay";
83
84 mdio {
85 #address-cells = <1>;
86 #size-cells = <0>;
87
88 ethphy0: ethernet-phy@0 {
89 compatible = "ethernet-phy-ieee802.3-c22";
90 reg = <0>;
91 };
92 };
93 };
94
95 &flexspi {
96 pinctrl-names = "default";
97 pinctrl-0 = <&pinctrl_flexspi>;
98 status = "okay";
99
100 flash@0 {
101 reg = <0>;
102 #address-cells = <1>;
103 #size-cells = <1>;
104 compatible = "jedec,spi-nor";
105 spi-max-frequency = <80000000>;
106 spi-tx-bus-width = <1>;
107 spi-rx-bus-width = <4>;
108 };
109 };
110
111 &i2c1 {
112 clock-frequency = <400000>;
113 pinctrl-names = "default";
114 pinctrl-0 = <&pinctrl_i2c1>;
115 status = "okay";
116
117 pmic@4b {
118 compatible = "rohm,bd71847";
119 reg = <0x4b>;
120 pinctrl-names = "default";
121 pinctrl-0 = <&pinctrl_pmic>;
122 interrupt-parent = <&gpio1>;
123 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
124 rohm,reset-snvs-powered;
125 #clock-cells = <0>;
126 clocks = <&osc_32k>;
127 clock-output-names = "clk-32k-out";
128
129 regulators {
130 buck1_reg: BUCK1 {
131 regulator-name = "buck1";
132 regulator-min-microvolt = <700000>;
133 regulator-max-microvolt = <1300000>;
134 regulator-boot-on;
135 regulator-always-on;
136 regulator-ramp-delay = <1250>;
137 };
138
139 buck2_reg: BUCK2 {
140 regulator-name = "buck2";
141 regulator-min-microvolt = <700000>;
142 regulator-max-microvolt = <1300000>;
143 regulator-boot-on;
144 regulator-always-on;
145 regulator-ramp-delay = <1250>;
146 rohm,dvs-run-voltage = <1000000>;
147 rohm,dvs-idle-voltage = <900000>;
148 };
149
150 buck3_reg: BUCK3 {
151 // BUCK5 in datasheet
152 regulator-name = "buck3";
153 regulator-min-microvolt = <700000>;
154 regulator-max-microvolt = <1350000>;
155 regulator-boot-on;
156 regulator-always-on;
157 };
158
159 buck4_reg: BUCK4 {
160 // BUCK6 in datasheet
161 regulator-name = "buck4";
162 regulator-min-microvolt = <3000000>;
163 regulator-max-microvolt = <3300000>;
164 regulator-boot-on;
165 regulator-always-on;
166 };
167
168 buck5_reg: BUCK5 {
169 // BUCK7 in datasheet
170 regulator-name = "buck5";
171 regulator-min-microvolt = <1605000>;
172 regulator-max-microvolt = <1995000>;
173 regulator-boot-on;
174 regulator-always-on;
175 };
176
177 buck6_reg: BUCK6 {
178 // BUCK8 in datasheet
179 regulator-name = "buck6";
180 regulator-min-microvolt = <800000>;
181 regulator-max-microvolt = <1400000>;
182 regulator-boot-on;
183 regulator-always-on;
184 };
185
186 ldo1_reg: LDO1 {
187 regulator-name = "ldo1";
188 regulator-min-microvolt = <1600000>;
189 regulator-max-microvolt = <3300000>;
190 regulator-boot-on;
191 regulator-always-on;
192 };
193
194 ldo2_reg: LDO2 {
195 regulator-name = "ldo2";
196 regulator-min-microvolt = <800000>;
197 regulator-max-microvolt = <900000>;
198 regulator-boot-on;
199 regulator-always-on;
200 };
201
202 ldo3_reg: LDO3 {
203 regulator-name = "ldo3";
204 regulator-min-microvolt = <1800000>;
205 regulator-max-microvolt = <3300000>;
206 regulator-boot-on;
207 regulator-always-on;
208 };
209
210 ldo4_reg: LDO4 {
211 regulator-name = "ldo4";
212 regulator-min-microvolt = <900000>;
213 regulator-max-microvolt = <1800000>;
214 regulator-boot-on;
215 regulator-always-on;
216 };
217
218 ldo6_reg: LDO6 {
219 regulator-name = "ldo6";
220 regulator-min-microvolt = <900000>;
221 regulator-max-microvolt = <1800000>;
222 regulator-boot-on;
223 regulator-always-on;
224 };
225 };
226 };
227 };
228
229 &i2c3 {
230 clock-frequency = <400000>;
231 pinctrl-names = "default";
232 pinctrl-0 = <&pinctrl_i2c3>;
233 status = "okay";
234
235 eeprom@50 {
236 compatible = "microchip,24c64", "atmel,24c64";
237 pagesize = <32>;
238 read-only; /* Manufacturing EEPROM programmed at factory */
239 reg = <0x50>;
240 };
241
242 rtc: rtc@51 {
243 compatible = "nxp,pcf85263";
244 reg = <0x51>;
245 };
246 };
247
248 &uart1 {
249 pinctrl-names = "default";
250 pinctrl-0 = <&pinctrl_uart1>;
251 assigned-clocks = <&clk IMX8MN_CLK_UART1>;
252 assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>;
253 uart-has-rtscts;
254 status = "okay";
255
256 bluetooth {
257 compatible = "brcm,bcm43438-bt";
258 shutdown-gpios = <&gpio2 6 GPIO_ACTIVE_HIGH>;
259 host-wakeup-gpios = <&gpio2 8 GPIO_ACTIVE_HIGH>;
260 device-wakeup-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
261 clocks = <&osc_32k>;
262 max-speed = <4000000>;
263 clock-names = "extclk";
264 };
265 };
266
267 &usdhc1 {
268 #address-cells = <1>;
269 #size-cells = <0>;
270 pinctrl-names = "default", "state_100mhz", "state_200mhz";
271 pinctrl-0 = <&pinctrl_usdhc1>;
272 pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
273 pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
274 vmmc-supply = <&buck4_reg>;
275 vqmmc-supply = <&buck5_reg>;
276 bus-width = <4>;
277 non-removable;
278 cap-power-off-card;
279 keep-power-in-suspend;
280 mmc-pwrseq = <&usdhc1_pwrseq>;
281 status = "okay";
282
283 brcmf: bcrmf@1 {
284 reg = <1>;
285 compatible = "brcm,bcm4329-fmac";
286 pinctrl-names = "default";
287 pinctrl-0 = <&pinctrl_wlan>;
288 interrupt-parent = <&gpio2>;
289 interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
290 interrupt-names = "host-wake";
291 };
292 };
293
294 &usdhc3 {
295 pinctrl-names = "default", "state_100mhz", "state_200mhz";
296 pinctrl-0 = <&pinctrl_usdhc3>;
297 pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
298 pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
299 bus-width = <8>;
300 non-removable;
301 status = "okay";
302 };
303
304 &wdog1 {
305 pinctrl-names = "default";
306 pinctrl-0 = <&pinctrl_wdog>;
307 fsl,ext-reset-output;
308 status = "okay";
309 };
310
311 &iomuxc {
312 pinctrl_fec1: fec1grp {
313 fsl,pins = <
314 MX8MN_IOMUXC_ENET_MDC_ENET1_MDC 0x3
315 MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO 0x3
316 MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f
317 MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f
318 MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f
319 MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f
320 MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91
321 MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91
322 MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91
323 MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91
324 MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f
325 MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91
326 MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91
327 MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f
328 MX8MN_IOMUXC_SAI2_RXC_GPIO4_IO22 0x19
329 >;
330 };
331
332 pinctrl_i2c1: i2c1grp {
333 fsl,pins = <
334 MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
335 MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3
336 >;
337 };
338
339 pinctrl_i2c3: i2c3grp {
340 fsl,pins = <
341 MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c3
342 MX8MN_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
343 >;
344 };
345
346 pinctrl_flexspi: flexspigrp {
347 fsl,pins = <
348 MX8MN_IOMUXC_NAND_ALE_QSPI_A_SCLK 0x1c2
349 MX8MN_IOMUXC_NAND_CE0_B_QSPI_A_SS0_B 0x82
350 MX8MN_IOMUXC_NAND_DATA00_QSPI_A_DATA0 0x82
351 MX8MN_IOMUXC_NAND_DATA01_QSPI_A_DATA1 0x82
352 MX8MN_IOMUXC_NAND_DATA02_QSPI_A_DATA2 0x82
353 MX8MN_IOMUXC_NAND_DATA03_QSPI_A_DATA3 0x82
354 >;
355 };
356
357 pinctrl_pmic: pmicirqgrp {
358 fsl,pins = <
359 MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x141
360 >;
361 };
362
363 pinctrl_uart1: uart1grp {
364 fsl,pins = <
365 MX8MN_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140
366 MX8MN_IOMUXC_UART1_TXD_UART1_DCE_TX 0x140
367 MX8MN_IOMUXC_UART3_RXD_UART1_DCE_CTS_B 0x140
368 MX8MN_IOMUXC_UART3_TXD_UART1_DCE_RTS_B 0x140
369 MX8MN_IOMUXC_SD1_DATA4_GPIO2_IO6 0x19
370 MX8MN_IOMUXC_SD1_DATA5_GPIO2_IO7 0x19
371 MX8MN_IOMUXC_SD1_DATA6_GPIO2_IO8 0x19
372 MX8MN_IOMUXC_GPIO1_IO00_ANAMIX_REF_CLK_32K 0x141
373 >;
374 };
375
376 pinctrl_usdhc1_gpio: usdhc1gpiogrp {
377 fsl,pins = <
378 MX8MN_IOMUXC_SD1_RESET_B_GPIO2_IO10 0x41
379 >;
380 };
381
382 pinctrl_usdhc1: usdhc1grp {
383 fsl,pins = <
384 MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x190
385 MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d0
386 MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d0
387 MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d0
388 MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d0
389 MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d0
390 >;
391 };
392
393 pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
394 fsl,pins = <
395 MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x194
396 MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d4
397 MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d4
398 MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d4
399 MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d4
400 MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d4
401 >;
402 };
403
404 pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
405 fsl,pins = <
406 MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x196
407 MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d6
408 MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d6
409 MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d6
410 MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d6
411 MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d6
412 >;
413 };
414
415 pinctrl_usdhc3: usdhc3grp {
416 fsl,pins = <
417 MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190
418 MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
419 MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
420 MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
421 MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
422 MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
423 MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
424 MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
425 MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
426 MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
427 MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
428 >;
429 };
430
431 pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
432 fsl,pins = <
433 MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194
434 MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
435 MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
436 MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
437 MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
438 MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
439 MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
440 MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
441 MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
442 MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
443 MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
444 >;
445 };
446
447 pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
448 fsl,pins = <
449 MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196
450 MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
451 MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
452 MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
453 MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
454 MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
455 MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
456 MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
457 MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
458 MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
459 MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
460 >;
461 };
462
463 pinctrl_wdog: wdoggrp {
464 fsl,pins = <
465 MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0xc6
466 >;
467 };
468
469 pinctrl_wlan: wlangrp {
470 fsl,pins = <
471 MX8MN_IOMUXC_SD1_DATA7_GPIO2_IO9 0x111
472 >;
473 };
474 };
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