1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2021 Collabora Ltd.
4 * Copyright 2021 BSH Hausgeraete GmbH
5 */
6
7 /dts-v1/;
8
9 #include "imx8mn.dtsi"
10 #include "imx8mn-bsh-smm-s2-display.dtsi"
11
12 / {
13 chosen {
14 stdout-path = &uart4;
15 };
16
17 fec_supply: fec-supply-en {
18 compatible = "regulator-fixed";
19 vin-supply = <&buck4_reg>;
20 regulator-name = "tja1101_en";
21 regulator-min-microvolt = <3300000>;
22 regulator-max-microvolt = <3300000>;
23 gpio = <&gpio2 20 GPIO_ACTIVE_HIGH>;
24 enable-active-high;
25 };
26
27 usdhc2_pwrseq: usdhc2-pwrseq {
28 compatible = "mmc-pwrseq-simple";
29 pinctrl-names = "default";
30 pinctrl-0 = <&pinctrl_usdhc2_pwrseq>;
31 reset-gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
32 };
33 };
34
35 &A53_0 {
36 cpu-supply = <&buck2_reg>;
37 };
38
39 &A53_1 {
40 cpu-supply = <&buck2_reg>;
41 };
42
43 &A53_2 {
44 cpu-supply = <&buck2_reg>;
45 };
46
47 &A53_3 {
48 cpu-supply = <&buck2_reg>;
49 };
50
51 &ecspi2 {
52 pinctrl-names = "default";
53 pinctrl-0 = <&pinctrl_espi2>;
54 status = "okay";
55 };
56
57 &fec1 {
58 pinctrl-names = "default";
59 pinctrl-0 = <&pinctrl_fec1>;
60 phy-mode = "rmii";
61 phy-handle = <ðphy0>;
62 phy-supply = <&fec_supply>;
63 fsl,magic-packet;
64 status = "okay";
65
66 mdio {
67 #address-cells = <1>;
68 #size-cells = <0>;
69
70 ethphy0: ethernet-phy@0 {
71 compatible = "ethernet-phy-ieee802.3-c22";
72 reg = <0>;
73 reset-gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
74 reset-assert-us = <20>;
75 reset-deassert-us = <2000>;
76 };
77 };
78 };
79
80 &i2c1 {
81 clock-frequency = <400000>;
82 pinctrl-names = "default";
83 pinctrl-0 = <&pinctrl_i2c1>;
84 status = "okay";
85
86 bd71847: pmic@4b {
87 compatible = "rohm,bd71847";
88 reg = <0x4b>;
89 pinctrl-names = "default";
90 pinctrl-0 = <&pinctrl_pmic>;
91 interrupt-parent = <&gpio1>;
92 interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
93 rohm,reset-snvs-powered;
94
95 #clock-cells = <0>;
96 clocks = <&osc_32k>;
97 clock-output-names = "clk-32k-out";
98
99 regulators {
100 buck1_reg: BUCK1 {
101 /* PMIC_BUCK1 - VDD_SOC */
102 regulator-name = "buck1";
103 regulator-min-microvolt = <700000>;
104 regulator-max-microvolt = <1300000>;
105 regulator-boot-on;
106 regulator-always-on;
107 regulator-ramp-delay = <1250>;
108 };
109
110 buck2_reg: BUCK2 {
111 /* PMIC_BUCK2 - VDD_ARM */
112 regulator-name = "buck2";
113 regulator-min-microvolt = <700000>;
114 regulator-max-microvolt = <1300000>;
115 regulator-boot-on;
116 regulator-always-on;
117 regulator-ramp-delay = <1250>;
118 };
119
120 buck3_reg: BUCK3 {
121 /* PMIC_BUCK5 - VDD_DRAM_VPU_GPU */
122 regulator-name = "buck3";
123 regulator-min-microvolt = <700000>;
124 regulator-max-microvolt = <1350000>;
125 regulator-boot-on;
126 regulator-always-on;
127 };
128
129 buck4_reg: BUCK4 {
130 /* PMIC_BUCK6 - VDD_3V3 */
131 regulator-name = "buck4";
132 regulator-min-microvolt = <3000000>;
133 regulator-max-microvolt = <3300000>;
134 regulator-boot-on;
135 regulator-always-on;
136 };
137
138 buck5_reg: BUCK5 {
139 /* PMIC_BUCK7 - VDD_1V8 */
140 regulator-name = "buck5";
141 regulator-min-microvolt = <1605000>;
142 regulator-max-microvolt = <1995000>;
143 regulator-boot-on;
144 regulator-always-on;
145 };
146
147 buck6_reg: BUCK6 {
148 /* PMIC_BUCK8 - NVCC_DRAM */
149 regulator-name = "buck6";
150 regulator-min-microvolt = <800000>;
151 regulator-max-microvolt = <1400000>;
152 regulator-boot-on;
153 regulator-always-on;
154 };
155
156 ldo1_reg: LDO1 {
157 /* PMIC_LDO1 - NVCC_SNVS_1V8 */
158 regulator-name = "ldo1";
159 regulator-min-microvolt = <1600000>;
160 regulator-max-microvolt = <1900000>;
161 regulator-boot-on;
162 regulator-always-on;
163 };
164
165 ldo2_reg: LDO2 {
166 /* PMIC_LDO2 - VDD_SNVS_0V8 */
167 regulator-name = "ldo2";
168 regulator-min-microvolt = <800000>;
169 regulator-max-microvolt = <900000>;
170 regulator-boot-on;
171 regulator-always-on;
172 };
173
174 ldo3_reg: LDO3 {
175 /* PMIC_LDO3 - VDDA_1V8 */
176 regulator-name = "ldo3";
177 regulator-min-microvolt = <1800000>;
178 regulator-max-microvolt = <3300000>;
179 regulator-boot-on;
180 regulator-always-on;
181 };
182
183 ldo4_reg: LDO4 {
184 /* PMIC_LDO4 - VDD_MIPI_0V9 */
185 regulator-name = "ldo4";
186 regulator-min-microvolt = <900000>;
187 regulator-max-microvolt = <1800000>;
188 regulator-boot-on;
189 regulator-always-on;
190 };
191
192 ldo6_reg: LDO6 {
193 /* PMIC_LDO6 - VDD_MIPI_1V2 */
194 regulator-name = "ldo6";
195 regulator-min-microvolt = <900000>;
196 regulator-max-microvolt = <1800000>;
197 regulator-boot-on;
198 regulator-always-on;
199 };
200 };
201 };
202 };
203
204 &i2c3 {
205 clock-frequency = <400000>;
206 pinctrl-names = "default";
207 pinctrl-0 = <&pinctrl_i2c3>;
208 status = "okay";
209 };
210
211 &i2c4 {
212 clock-frequency = <400000>;
213 pinctrl-names = "default";
214 pinctrl-0 = <&pinctrl_i2c4>;
215 status = "okay";
216 };
217
218 &uart2 {
219 pinctrl-names = "default";
220 pinctrl-0 = <&pinctrl_uart2>;
221 status = "okay";
222 };
223
224 &uart3 {
225 pinctrl-names = "default";
226 pinctrl-0 = <&pinctrl_uart3>;
227 assigned-clocks = <&clk IMX8MN_CLK_UART3>;
228 assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>;
229 uart-has-rtscts;
230 status = "okay";
231
232 bluetooth {
233 compatible = "brcm,bcm43438-bt";
234 pinctrl-names = "default";
235 pinctrl-0 = <&pinctrl_bluetooth>;
236 shutdown-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
237 device-wakeup-gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
238 host-wakeup-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
239 max-speed = <3000000>;
240 };
241 };
242
243 /* Console */
244 &uart4 {
245 pinctrl-names = "default";
246 pinctrl-0 = <&pinctrl_uart4>;
247 status = "okay";
248 };
249
250 &usbotg1 {
251 dr_mode = "peripheral";
252 disable-over-current;
253 status = "okay";
254 };
255
256 &usdhc2 {
257 #address-cells = <1>;
258 #size-cells = <0>;
259 pinctrl-names = "default", "state_100mhz", "state_200mhz";
260 pinctrl-0 = <&pinctrl_usdhc2>;
261 pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
262 pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
263 mmc-pwrseq = <&usdhc2_pwrseq>;
264 bus-width = <4>;
265 non-removable;
266 status = "okay";
267
268 brcmf: bcrmf@1 {
269 compatible = "brcm,bcm4329-fmac";
270 reg = <1>;
271 pinctrl-names = "default";
272 pinctrl-0 = <&pinctrl_wlan>;
273 interrupt-parent = <&gpio1>;
274 interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
275 interrupt-names = "host-wake";
276 };
277 };
278
279 &wdog1 {
280 pinctrl-names = "default";
281 pinctrl-0 = <&pinctrl_wdog>;
282 fsl,ext-reset-output;
283 status = "okay";
284 };
285
286 &iomuxc {
287 pinctrl_bluetooth: bluetoothgrp {
288 fsl,pins = <
289 MX8MN_IOMUXC_GPIO1_IO15_GPIO1_IO15 0x044 /* BT_REG_ON */
290 MX8MN_IOMUXC_ENET_TD3_GPIO1_IO18 0x046 /* BT_DEV_WAKE */
291 MX8MN_IOMUXC_ENET_RD2_GPIO1_IO28 0x090 /* BT_HOST_WAKE */
292 >;
293 };
294
295 pinctrl_espi2: espi2grp {
296 fsl,pins = <
297 MX8MN_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK 0x082
298 MX8MN_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI 0x082
299 MX8MN_IOMUXC_ECSPI2_MISO_ECSPI2_MISO 0x082
300 MX8MN_IOMUXC_ECSPI2_SS0_ECSPI2_SS0 0x040
301 >;
302 };
303
304 pinctrl_fec1: fec1grp {
305 fsl,pins = <
306 MX8MN_IOMUXC_ENET_MDC_ENET1_MDC 0x002
307 MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO 0x002
308 MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x090
309 MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x090
310 MX8MN_IOMUXC_ENET_RXC_ENET1_RX_ER 0x090
311 MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x016
312 MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x016
313 MX8MN_IOMUXC_ENET_TD2_ENET1_TX_CLK 0x016
314 MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x016
315 MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x090
316 MX8MN_IOMUXC_ENET_TXC_ENET1_TX_ER 0x016
317 MX8MN_IOMUXC_SD2_CD_B_GPIO2_IO12 0x150 /* RMII_INT - ENET_INT */
318 MX8MN_IOMUXC_SD2_WP_GPIO2_IO20 0x150 /* RMII_EN - ENET_EN */
319 MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x016 /* RMII_WAKE - GPIO_ENET_WAKE */
320 MX8MN_IOMUXC_ENET_RD3_GPIO1_IO29 0x016 /* RMII_RESET - GPIO_ENET_RST */
321 >;
322 };
323
324 pinctrl_i2c1: i2c1grp {
325 fsl,pins = <
326 MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL 0x400000c2
327 MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA 0x400000c2
328 >;
329 };
330
331 pinctrl_i2c3: i2c3grp {
332 fsl,pins = <
333 MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL 0x400000c2
334 MX8MN_IOMUXC_I2C3_SDA_I2C3_SDA 0x400000c2
335 >;
336 };
337
338 pinctrl_i2c4: i2c4grp {
339 fsl,pins = <
340 MX8MN_IOMUXC_I2C4_SCL_I2C4_SCL 0x400000c2
341 MX8MN_IOMUXC_I2C4_SDA_I2C4_SDA 0x400000c2
342 >;
343 };
344
345 pinctrl_pmic: pmicirqgrp {
346 fsl,pins = <
347 MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x040
348 >;
349 };
350
351 pinctrl_uart2: uart2grp {
352 fsl,pins = <
353 MX8MN_IOMUXC_UART2_RXD_UART2_DCE_RX 0x040
354 MX8MN_IOMUXC_UART2_TXD_UART2_DCE_TX 0x040
355 >;
356 };
357
358 pinctrl_uart3: uart3grp {
359 fsl,pins = <
360 MX8MN_IOMUXC_UART3_TXD_UART3_DCE_TX 0x040
361 MX8MN_IOMUXC_UART3_RXD_UART3_DCE_RX 0x040
362 MX8MN_IOMUXC_ECSPI1_MISO_UART3_DCE_CTS_B 0x040
363 MX8MN_IOMUXC_ECSPI1_SS0_UART3_DCE_RTS_B 0x040
364 >;
365 };
366
367 pinctrl_uart4: uart4grp {
368 fsl,pins = <
369 MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX 0x040
370 MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX 0x040
371 >;
372 };
373
374 pinctrl_usdhc2: usdhc2grp {
375 fsl,pins = <
376 MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x090
377 MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x0d0
378 MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x0d0
379 MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x0d0
380 MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x0d0
381 MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x0d0
382 >;
383 };
384
385 pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
386 fsl,pins = <
387 MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x094
388 MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x0d4
389 MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x0d4
390 MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x0d4
391 MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x0d4
392 MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x0d4
393 >;
394 };
395
396 pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
397 fsl,pins = <
398 MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x096
399 MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x0d6
400 MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x0d6
401 MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x0d6
402 MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x0d6
403 MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x0d6
404 >;
405 };
406
407 pinctrl_usdhc2_pwrseq: usdhc2pwrseqgrp {
408 fsl,pins = <
409 MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x040 /* WL_REG_ON */
410 >;
411 };
412
413 pinctrl_wdog: wdoggrp {
414 fsl,pins = <
415 MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x046
416 >;
417 };
418
419 pinctrl_wlan: wlangrp {
420 fsl,pins = <
421 MX8MN_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x0d6 /* GPIO_0 - WIFI_GPIO_0 */
422 MX8MN_IOMUXC_GPIO1_IO08_GPIO1_IO8 0x0d6 /* GPIO_1 - WIFI_GPIO_1 */
423 MX8MN_IOMUXC_GPIO1_IO04_GPIO1_IO4 0x0d6 /* BT_GPIO_5 - WIFI_GPIO_5 */
424 MX8MN_IOMUXC_SPDIF_RX_GPIO5_IO4 0x0d6 /* I2S_CLK - WIFI_GPIO_6 */
425 >;
426 };
427 };
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