1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 * Copyright 2019-2020 Variscite Ltd.
5 * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
11 model = "Variscite VAR-SOM-MX8MN module";
12 compatible = "variscite,var-som-mx8mn", "fsl,imx8mn";
19 device_type = "memory";
20 reg = <0x0 0x40000000 0 0x40000000>;
23 reg_eth_phy: regulator-eth-phy {
24 compatible = "regulator-fixed";
25 pinctrl-names = "default";
26 pinctrl-0 = <&pinctrl_reg_eth_phy>;
27 regulator-name = "eth_phy_pwr";
28 regulator-min-microvolt = <3300000>;
29 regulator-max-microvolt = <3300000>;
30 regulator-enable-ramp-delay = <20000>;
31 gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>;
37 cpu-supply = <&buck2_reg>;
41 cpu-supply = <&buck2_reg>;
45 cpu-supply = <&buck2_reg>;
49 cpu-supply = <&buck2_reg>;
53 pinctrl-names = "default";
54 pinctrl-0 = <&pinctrl_ecspi1>;
55 cs-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>,
56 <&gpio1 0 GPIO_ACTIVE_LOW>;
57 /delete-property/ dmas;
58 /delete-property/ dma-names;
61 /* Resistive touch controller */
64 compatible = "ti,ads7846";
65 pinctrl-names = "default";
66 pinctrl-0 = <&pinctrl_restouch>;
67 interrupt-parent = <&gpio1>;
68 interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
70 spi-max-frequency = <1500000>;
71 pendown-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;
73 ti,x-min = /bits/ 16 <125>;
74 touchscreen-size-x = <4008>;
75 ti,y-min = /bits/ 16 <282>;
76 touchscreen-size-y = <3864>;
77 ti,x-plate-ohms = /bits/ 16 <180>;
78 touchscreen-max-pressure = <255>;
79 touchscreen-average-samples = <10>;
80 ti,debounce-tol = /bits/ 16 <3>;
81 ti,debounce-rep = /bits/ 16 <1>;
82 ti,settle-delay-usec = /bits/ 16 <150>;
89 pinctrl-names = "default", "sleep";
90 pinctrl-0 = <&pinctrl_fec1>;
91 pinctrl-1 = <&pinctrl_fec1_sleep>;
93 phy-handle = <ðphy>;
94 phy-supply = <®_eth_phy>;
102 ethphy: ethernet-phy@4 { /* AR8033 or ADIN1300 */
103 compatible = "ethernet-phy-ieee802.3-c22";
105 reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
106 reset-assert-us = <10000>;
109 * ADIN1300 requires 5ms.
110 * AR8033 requires 1ms.
112 reset-deassert-us = <20000>;
118 clock-frequency = <400000>;
119 pinctrl-names = "default";
120 pinctrl-0 = <&pinctrl_i2c1>;
124 compatible = "rohm,bd71847";
126 pinctrl-names = "default";
127 pinctrl-0 = <&pinctrl_pmic>;
128 interrupt-parent = <&gpio2>;
129 interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
130 rohm,reset-snvs-powered;
134 regulator-name = "buck1";
135 regulator-min-microvolt = <700000>;
136 regulator-max-microvolt = <1300000>;
139 regulator-ramp-delay = <1250>;
143 regulator-name = "buck2";
144 regulator-min-microvolt = <700000>;
145 regulator-max-microvolt = <1300000>;
148 regulator-ramp-delay = <1250>;
149 rohm,dvs-run-voltage = <1000000>;
150 rohm,dvs-idle-voltage = <900000>;
154 regulator-name = "buck3";
155 regulator-min-microvolt = <700000>;
156 regulator-max-microvolt = <1350000>;
162 regulator-name = "buck4";
163 regulator-min-microvolt = <2600000>;
164 regulator-max-microvolt = <3300000>;
170 regulator-name = "buck5";
171 regulator-min-microvolt = <1605000>;
172 regulator-max-microvolt = <1995000>;
178 regulator-name = "buck6";
179 regulator-min-microvolt = <800000>;
180 regulator-max-microvolt = <1400000>;
186 regulator-name = "ldo1";
187 regulator-min-microvolt = <1600000>;
188 regulator-max-microvolt = <1900000>;
194 regulator-name = "ldo2";
195 regulator-min-microvolt = <800000>;
196 regulator-max-microvolt = <900000>;
202 regulator-name = "ldo3";
203 regulator-min-microvolt = <1800000>;
204 regulator-max-microvolt = <3300000>;
210 regulator-name = "ldo4";
211 regulator-min-microvolt = <900000>;
212 regulator-max-microvolt = <1800000>;
217 regulator-name = "ldo5";
218 regulator-min-microvolt = <1800000>;
219 regulator-max-microvolt = <1800000>;
224 regulator-name = "ldo6";
225 regulator-min-microvolt = <900000>;
226 regulator-max-microvolt = <1800000>;
233 eeprom_som: eeprom@52 {
234 compatible = "atmel,24c04";
241 clock-frequency = <400000>;
242 pinctrl-names = "default";
243 pinctrl-0 = <&pinctrl_i2c3>;
246 /* TODO: configure audio, as of now just put a placeholder */
248 compatible = "wlf,wm8904";
260 pinctrl-names = "default";
261 pinctrl-0 = <&pinctrl_uart2>;
262 assigned-clocks = <&clk IMX8MN_CLK_UART2>;
263 assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>;
270 pinctrl-names = "default";
271 pinctrl-0 = <&pinctrl_uart4>;
283 #address-cells = <1>;
285 pinctrl-names = "default", "state_100mhz", "state_200mhz";
286 pinctrl-0 = <&pinctrl_usdhc1>;
287 pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
288 pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
291 keep-power-in-suspend;
296 compatible = "brcm,bcm4329-fmac";
302 assigned-clocks = <&clk IMX8MN_CLK_USDHC2>;
303 assigned-clock-rates = <200000000>;
304 pinctrl-names = "default", "state_100mhz", "state_200mhz";
305 pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
306 pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
307 pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
308 cd-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
310 vmmc-supply = <®_usdhc2_vmmc>;
316 assigned-clocks = <&clk IMX8MN_CLK_USDHC3_ROOT>;
317 assigned-clock-rates = <400000000>;
318 pinctrl-names = "default", "state_100mhz", "state_200mhz";
319 pinctrl-0 = <&pinctrl_usdhc3>;
320 pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
321 pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
328 pinctrl-names = "default";
329 pinctrl-0 = <&pinctrl_wdog>;
330 fsl,ext-reset-output;
335 pinctrl_ecspi1: ecspi1grp {
337 MX8MN_IOMUXC_ECSPI1_SCLK_ECSPI1_SCLK 0x13
338 MX8MN_IOMUXC_ECSPI1_MOSI_ECSPI1_MOSI 0x13
339 MX8MN_IOMUXC_ECSPI1_MISO_ECSPI1_MISO 0x13
340 MX8MN_IOMUXC_GPIO1_IO14_GPIO1_IO14 0x13
341 MX8MN_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x13
345 pinctrl_fec1: fec1grp {
347 MX8MN_IOMUXC_ENET_MDC_ENET1_MDC 0x3
348 MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO 0x3
349 MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f
350 MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f
351 MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f
352 MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f
353 MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91
354 MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91
355 MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91
356 MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91
357 MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f
358 MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91
359 MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91
360 MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f
361 MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x19
365 pinctrl_fec1_sleep: fec1sleepgrp {
367 MX8MN_IOMUXC_ENET_MDC_GPIO1_IO16 0x120
368 MX8MN_IOMUXC_ENET_MDIO_GPIO1_IO17 0x120
369 MX8MN_IOMUXC_ENET_TD3_GPIO1_IO18 0x120
370 MX8MN_IOMUXC_ENET_TD2_GPIO1_IO19 0x120
371 MX8MN_IOMUXC_ENET_TD1_GPIO1_IO20 0x120
372 MX8MN_IOMUXC_ENET_TD0_GPIO1_IO21 0x120
373 MX8MN_IOMUXC_ENET_RD3_GPIO1_IO29 0x120
374 MX8MN_IOMUXC_ENET_RD2_GPIO1_IO28 0x120
375 MX8MN_IOMUXC_ENET_RD1_GPIO1_IO27 0x120
376 MX8MN_IOMUXC_ENET_RD0_GPIO1_IO26 0x120
377 MX8MN_IOMUXC_ENET_TXC_GPIO1_IO23 0x120
378 MX8MN_IOMUXC_ENET_RXC_GPIO1_IO25 0x120
379 MX8MN_IOMUXC_ENET_RX_CTL_GPIO1_IO24 0x120
380 MX8MN_IOMUXC_ENET_TX_CTL_GPIO1_IO22 0x120
381 MX8MN_IOMUXC_GPIO1_IO09_GPIO1_IO9 0x120
385 pinctrl_i2c1: i2c1grp {
387 MX8MN_IOMUXC_I2C1_SCL_I2C1_SCL 0x400001c3
388 MX8MN_IOMUXC_I2C1_SDA_I2C1_SDA 0x400001c3
392 pinctrl_i2c3: i2c3grp {
394 MX8MN_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c3
395 MX8MN_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
399 pinctrl_pmic: pmicirqgrp {
401 MX8MN_IOMUXC_SD1_DATA6_GPIO2_IO8 0x141
405 pinctrl_reg_eth_phy: regethphygrp {
407 MX8MN_IOMUXC_SD1_DATA7_GPIO2_IO9 0x41
411 pinctrl_restouch: restouchgrp {
413 MX8MN_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x1c0
417 pinctrl_uart2: uart2grp {
419 MX8MN_IOMUXC_SAI3_TXFS_UART2_DCE_RX 0x140
420 MX8MN_IOMUXC_SAI3_TXC_UART2_DCE_TX 0x140
421 MX8MN_IOMUXC_SAI3_RXC_UART2_DCE_CTS_B 0x140
422 MX8MN_IOMUXC_SAI3_RXD_UART2_DCE_RTS_B 0x140
426 pinctrl_uart4: uart4grp {
428 MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX 0x140
429 MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX 0x140
433 pinctrl_usdhc1: usdhc1grp {
435 MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x190
436 MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d0
437 MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d0
438 MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d0
439 MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d0
440 MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d0
444 pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
446 MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x194
447 MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d4
448 MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d4
449 MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d4
450 MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d4
451 MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d4
455 pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
457 MX8MN_IOMUXC_SD1_CLK_USDHC1_CLK 0x196
458 MX8MN_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d6
459 MX8MN_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d6
460 MX8MN_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d6
461 MX8MN_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d6
462 MX8MN_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d6
466 pinctrl_usdhc2_gpio: usdhc2gpiogrp {
468 MX8MN_IOMUXC_GPIO1_IO10_GPIO1_IO10 0x41
472 pinctrl_usdhc2: usdhc2grp {
474 MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x190
475 MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d0
476 MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0
477 MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0
478 MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0
479 MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0
480 MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
484 pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
486 MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x194
487 MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
488 MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
489 MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
490 MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
491 MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
492 MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
496 pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
498 MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x196
499 MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6
500 MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6
501 MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6
502 MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6
503 MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6
504 MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
508 pinctrl_usdhc3: usdhc3grp {
510 MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x190
511 MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d0
512 MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d0
513 MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d0
514 MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d0
515 MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d0
516 MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d0
517 MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d0
518 MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d0
519 MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d0
520 MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x190
524 pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
526 MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x194
527 MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d4
528 MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d4
529 MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d4
530 MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d4
531 MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d4
532 MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d4
533 MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d4
534 MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d4
535 MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d4
536 MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x194
540 pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
542 MX8MN_IOMUXC_NAND_WE_B_USDHC3_CLK 0x196
543 MX8MN_IOMUXC_NAND_WP_B_USDHC3_CMD 0x1d6
544 MX8MN_IOMUXC_NAND_DATA04_USDHC3_DATA0 0x1d6
545 MX8MN_IOMUXC_NAND_DATA05_USDHC3_DATA1 0x1d6
546 MX8MN_IOMUXC_NAND_DATA06_USDHC3_DATA2 0x1d6
547 MX8MN_IOMUXC_NAND_DATA07_USDHC3_DATA3 0x1d6
548 MX8MN_IOMUXC_NAND_RE_B_USDHC3_DATA4 0x1d6
549 MX8MN_IOMUXC_NAND_CE2_B_USDHC3_DATA5 0x1d6
550 MX8MN_IOMUXC_NAND_CE3_B_USDHC3_DATA6 0x1d6
551 MX8MN_IOMUXC_NAND_CLE_USDHC3_DATA7 0x1d6
552 MX8MN_IOMUXC_NAND_CE1_B_USDHC3_STROBE 0x196
556 pinctrl_wdog: wdoggrp {
558 MX8MN_IOMUXC_GPIO1_IO02_WDOG1_WDOG_B 0x166