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1// SPDX-License-Identifier: (GPL-2.0)
2/*
3 * Common part for Kobo Clara 2e device tree
4 * Copyright 2024 Andreas Kemnade
5 */
6
7/dts-v1/;
8
9#include <dt-bindings/input/input.h>
10#include <dt-bindings/gpio/gpio.h>
11#include <dt-bindings/leds/common.h>
12#include "imx6sll.dtsi"
13
14/ {
15 aliases {
16 mmc0 = &usdhc2;
17 mmc1 = &usdhc3;
18 };
19
20 chosen {
21 stdout-path = &uart1;
22 };
23
24 gpio-keys {
25 compatible = "gpio-keys";
26 pinctrl-names = "default";
27 pinctrl-0 = <&pinctrl_gpio_keys>;
28
29 key-cover {
30 label = "Cover";
31 gpios = <&gpio4 23 GPIO_ACTIVE_LOW>;
32 linux,code = <SW_LID>;
33 linux,input-type = <EV_SW>;
34 wakeup-source;
35 };
36 };
37
38 leds {
39 compatible = "gpio-leds";
40 pinctrl-names = "default";
41 pinctrl-0 = <&pinctrl_led>;
42
43 led {
44 color = <LED_COLOR_ID_WHITE>;
45 function = LED_FUNCTION_POWER;
46 gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
47 linux,default-trigger = "timer";
48 };
49 };
50
51 memory@80000000 {
52 device_type = "memory";
53 reg = <0x80000000 0x20000000>;
54 };
55
56 reg_wifi: regulator-wifi {
57 compatible = "regulator-fixed";
58 regulator-name = "SD3_SPWR";
59 regulator-min-microvolt = <3000000>;
60 regulator-max-microvolt = <3000000>;
61 gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
62 enable-active-high;
63 };
64};
65
66&clks {
67 assigned-clocks = <&clks IMX6SLL_CLK_PLL4_AUDIO_DIV>;
68 assigned-clock-rates = <393216000>;
69};
70
71&cpu0 {
72 arm-supply = <&buck1>;
73 soc-supply = <&buck2>;
74};
75
76&i2c1 {
77 pinctrl-names = "default","sleep";
78 pinctrl-0 = <&pinctrl_i2c1>;
79 pinctrl-1 = <&pinctrl_i2c1_sleep>;
80 clock-frequency = <100000>;
81 status = "okay";
82
83 /* backlight aw99703 at 0x36 */
84};
85
86&i2c2 {
87 pinctrl-names = "default","sleep";
88 pinctrl-0 = <&pinctrl_i2c2>;
89 pinctrl-1 = <&pinctrl_i2c2_sleep>;
90 clock-frequency = <100000>;
91 status = "okay";
92
93 /* backlight aw99703 at 0x36 */
94
95 touchscreen@38 {
96 compatible = "focaltech,ft5426";
97 reg = <0x38>;
98 pinctrl-names = "default", "suspend";
99 pinctrl-0 = <&pinctrl_touch_gpio>;
100 pinctrl-1 = <&pinctrl_touch_gpio_sleep>;
101 interrupt-parent = <&gpio4>;
102 interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
103 reset-gpios = <&gpio4 18 GPIO_ACTIVE_LOW>;
104 touchscreen-size-x = <1072>;
105 touchscreen-size-y = <1448>;
106 touchscreen-swapped-x-y;
107 };
108};
109
110&i2c3 {
111 /* Bus seems to be in bad state after boot, allow full recovery */
112 pinctrl-names = "default", "gpio";
113 pinctrl-0 = <&pinctrl_i2c3>;
114 pinctrl-1 = <&pinctrl_i2c3_gpio>;
115 sda-gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>;
116 scl-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
117 clock-frequency = <100000>;
118 status = "okay";
119
120 pmic@4b {
121 compatible = "rohm,bd71879", "rohm,bd71828";
122 reg = <0x4b>;
123 pinctrl-names = "default";
124 pinctrl-0 = <&pinctrl_bd71828>;
125 interrupt-parent = <&gpio4>;
126 interrupts = <19 IRQ_TYPE_LEVEL_LOW>;
127 system-power-controller;
128 clocks = <&clks 0>;
129 #clock-cells = <0>;
130 clock-output-names = "bd71828-32k-out";
131 gpio-controller;
132 #gpio-cells = <2>;
133 gpio-reserved-ranges = <0 1>, <2 1>;
134
135 /* charge sense resistor is 30 milli-ohm */
136
137 regulators {
138 LDO1 {
139 name = "LDO1";
140 regulator-name = "ldo1";
141 regulator-min-microvolt = <800000>;
142 regulator-max-microvolt = <3300000>;
143 };
144
145 LDO2 {
146 name = "LDO2";
147 regulator-name = "ldo2";
148 regulator-min-microvolt = <800000>;
149 regulator-max-microvolt = <3300000>;
150 };
151
152 LDO3 {
153 name = "LDO3";
154 regulator-name = "ldo3";
155 regulator-min-microvolt = <800000>;
156 regulator-max-microvolt = <3300000>;
157 };
158
159 ldo4: LDO4 {
160 name = "LDO4";
161 regulator-name = "ldo4";
162 regulator-always-on;
163 regulator-min-microvolt = <1100000>;
164 regulator-max-microvolt = <1100000>;
165 };
166
167 LDO5 {
168 name = "LDO5";
169 regulator-name = "ldo5";
170 regulator-always-on;
171 regulator-min-microvolt = <800000>;
172 regulator-max-microvolt = <3300000>;
173 };
174
175 LDO6 {
176 name = "LDO6";
177 regulator-name = "ldo6";
178 regulator-min-microvolt = <1800000>;
179 regulator-max-microvolt = <1800000>;
180 };
181
182 LDO7 {
183 name = "LDO7";
184 regulator-name = "ldo7";
185 regulator-always-on;
186 regulator-min-microvolt = <800000>;
187 regulator-max-microvolt = <3300000>;
188 regulator-boot-on;
189 };
190
191 buck1: BUCK1 {
192 name = "BUCK1";
193 regulator-name = "buck1";
194 regulator-always-on;
195 regulator-min-microvolt = <500000>;
196 regulator-max-microvolt = <1400000>;
197 regulator-boot-on;
198 };
199
200 buck2: BUCK2 {
201 name = "BUCK2";
202 regulator-name = "buck2";
203 regulator-always-on;
204 regulator-min-microvolt = <500000>;
205 regulator-max-microvolt = <2000000>;
206 regulator-boot-on;
207 };
208
209 BUCK3 {
210 name = "BUCK3";
211 regulator-name = "buck3";
212 regulator-always-on;
213 regulator-min-microvolt = <1200000>;
214 regulator-max-microvolt = <1800000>;
215 regulator-boot-on;
216 };
217
218 BUCK4 {
219 name = "BUCK4";
220 regulator-name = "buck4";
221 regulator-always-on;
222 regulator-min-microvolt = <1000000>;
223 regulator-max-microvolt = <1200000>;
224 regulator-boot-on;
225 };
226
227 BUCK5 {
228 name = "BUCK5";
229 regulator-name = "buck5";
230 regulator-always-on;
231 regulator-min-microvolt = <2500000>;
232 regulator-max-microvolt = <3300000>;
233 regulator-boot-on;
234 };
235
236 BUCK6 {
237 name = "BUCK6";
238 regulator-name = "buck6";
239 regulator-min-microvolt = <500000>;
240 regulator-max-microvolt = <2000000>;
241 };
242
243 BUCK7 {
244 name = "BUCK7";
245 regulator-name = "buck7";
246 regulator-min-microvolt = <500000>;
247 regulator-max-microvolt = <2000000>;
248 };
249 };
250 };
251};
252
253&iomuxc {
254 pinctrl_bd71828: bd71828-gpiogrp {
255 fsl,pins = <
256 MX6SLL_PAD_KEY_COL0__GPIO3_IO24 0x1b8b1
257 MX6SLL_PAD_GPIO4_IO19__GPIO4_IO19 0x1b8b1
258 >;
259 };
260
261 pinctrl_gpio_keys: gpio-keysgrp {
262 fsl,pins = <
263 MX6SLL_PAD_GPIO4_IO25__GPIO4_IO25 0x17059 /* PWR_SW */
264 MX6SLL_PAD_GPIO4_IO23__GPIO4_IO23 0x17059 /* HALL_EN */
265 >;
266 };
267
268 pinctrl_i2c1: i2c1grp {
269 fsl,pins = <
270 MX6SLL_PAD_I2C1_SCL__I2C1_SCL 0x4001f8b1
271 MX6SLL_PAD_I2C1_SDA__I2C1_SDA 0x4001f8b1
272 >;
273 };
274
275 pinctrl_i2c1_sleep: i2c1-sleepgrp {
276 fsl,pins = <
277 MX6SLL_PAD_I2C1_SCL__I2C1_SCL 0x400108b1
278 MX6SLL_PAD_I2C1_SDA__I2C1_SDA 0x400108b1
279 >;
280 };
281
282 pinctrl_i2c2: i2c2grp {
283 fsl,pins = <
284 MX6SLL_PAD_I2C2_SCL__I2C2_SCL 0x4001f8b1
285 MX6SLL_PAD_I2C2_SDA__I2C2_SDA 0x4001f8b1
286 >;
287 };
288
289 pinctrl_i2c2_sleep: i2c2-sleepgrp {
290 fsl,pins = <
291 MX6SLL_PAD_I2C2_SCL__I2C2_SCL 0x400108b1
292 MX6SLL_PAD_I2C2_SDA__I2C2_SDA 0x400108b1
293 >;
294 };
295
296 pinctrl_i2c3: i2c3grp {
297 fsl,pins = <
298 MX6SLL_PAD_REF_CLK_24M__I2C3_SCL 0x4001f8b1
299 MX6SLL_PAD_REF_CLK_32K__I2C3_SDA 0x4001f8b1
300 >;
301 };
302
303 pinctrl_i2c3_gpio: i2c3-gpiogrp {
304 fsl,pins = <
305 MX6SLL_PAD_REF_CLK_24M__GPIO3_IO21 0x4001f8b1
306 MX6SLL_PAD_REF_CLK_32K__GPIO3_IO22 0x4001f8b1
307 >;
308 };
309
310 pinctrl_led: ledgrp {
311 fsl,pins = <
312 MX6SLL_PAD_GPIO4_IO17__GPIO4_IO17 0x10059
313 >;
314 };
315
316 pinctrl_touch_gpio: touch-gpiogrp {
317 fsl,pins = <
318 MX6SLL_PAD_GPIO4_IO24__GPIO4_IO24 0x17059 /* TP_INT */
319 MX6SLL_PAD_GPIO4_IO18__GPIO4_IO18 0x10059 /* TP_RST */
320 >;
321 };
322
323 pinctrl_touch_gpio_sleep: touch-gpio-sleepgrp {
324 fsl,pins = <
325 MX6SLL_PAD_GPIO4_IO24__GPIO4_IO24 0x10059 /* TP_INT */
326 MX6SLL_PAD_GPIO4_IO18__GPIO4_IO18 0x10059 /* TP_RST */
327 >;
328 };
329
330 pinctrl_uart1: uart1grp {
331 fsl,pins = <
332 MX6SLL_PAD_UART1_TXD__UART1_DCE_TX 0x1b0b1
333 MX6SLL_PAD_UART1_RXD__UART1_DCE_RX 0x1b0b1
334 >;
335 };
336
337 pinctrl_uart2: uart2grp {
338 fsl,pins = <
339 MX6SLL_PAD_LCD_ENABLE__UART2_DCE_RX 0x41b0b1
340 MX6SLL_PAD_LCD_HSYNC__UART2_DCE_TX 0x41b0b1
341 MX6SLL_PAD_LCD_VSYNC__UART2_DCE_RTS 0x41b0b1
342 MX6SLL_PAD_LCD_RESET__UART2_DCE_CTS 0x41b0b1
343 >;
344 };
345
346 pinctrl_uart2_sleep: uart2-sleepgrp {
347 fsl,pins = <
348 MX6SLL_PAD_LCD_ENABLE__GPIO2_IO16 0x10059
349 MX6SLL_PAD_LCD_HSYNC__GPIO2_IO17 0x10059
350 MX6SLL_PAD_LCD_VSYNC__GPIO2_IO18 0x10059
351 MX6SLL_PAD_LCD_RESET__GPIO2_IO19 0x10059
352 >;
353 };
354
355 pinctrl_usbotg1: usbotg1grp {
356 fsl,pins = <
357 MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID 0x17059
358 >;
359 };
360
361 pinctrl_usdhc2: usdhc2grp {
362 fsl,pins = <
363 MX6SLL_PAD_SD2_CMD__SD2_CMD 0x17059
364 MX6SLL_PAD_SD2_CLK__SD2_CLK 0x13059
365 MX6SLL_PAD_SD2_DATA0__SD2_DATA0 0x17059
366 MX6SLL_PAD_SD2_DATA1__SD2_DATA1 0x17059
367 MX6SLL_PAD_SD2_DATA2__SD2_DATA2 0x17059
368 MX6SLL_PAD_SD2_DATA3__SD2_DATA3 0x17059
369 >;
370 };
371
372 pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
373 fsl,pins = <
374 MX6SLL_PAD_SD2_CMD__SD2_CMD 0x170b9
375 MX6SLL_PAD_SD2_CLK__SD2_CLK 0x130b9
376 MX6SLL_PAD_SD2_DATA0__SD2_DATA0 0x170b9
377 MX6SLL_PAD_SD2_DATA1__SD2_DATA1 0x170b9
378 MX6SLL_PAD_SD2_DATA2__SD2_DATA2 0x170b9
379 MX6SLL_PAD_SD2_DATA3__SD2_DATA3 0x170b9
380 >;
381 };
382
383 pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
384 fsl,pins = <
385 MX6SLL_PAD_SD2_CMD__SD2_CMD 0x170f9
386 MX6SLL_PAD_SD2_CLK__SD2_CLK 0x130f9
387 MX6SLL_PAD_SD2_DATA0__SD2_DATA0 0x170f9
388 MX6SLL_PAD_SD2_DATA1__SD2_DATA1 0x170f9
389 MX6SLL_PAD_SD2_DATA2__SD2_DATA2 0x170f9
390 MX6SLL_PAD_SD2_DATA3__SD2_DATA3 0x170f9
391 >;
392 };
393
394 pinctrl_usdhc2_sleep: usdhc2-sleepgrp {
395 fsl,pins = <
396 MX6SLL_PAD_SD2_CMD__GPIO5_IO04 0x100f9
397 MX6SLL_PAD_SD2_CLK__GPIO5_IO05 0x100f9
398 MX6SLL_PAD_SD2_DATA0__GPIO5_IO01 0x100f9
399 MX6SLL_PAD_SD2_DATA1__GPIO4_IO30 0x100f9
400 MX6SLL_PAD_SD2_DATA2__GPIO5_IO03 0x100f9
401 MX6SLL_PAD_SD2_DATA3__GPIO4_IO28 0x100f9
402 >;
403 };
404
405 pinctrl_usdhc3: usdhc3grp {
406 fsl,pins = <
407 MX6SLL_PAD_SD3_CMD__SD3_CMD 0x11059
408 MX6SLL_PAD_SD3_CLK__SD3_CLK 0x11059
409 MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x11059
410 MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x11059
411 MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x11059
412 MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x11059
413 >;
414 };
415
416 pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
417 fsl,pins = <
418 MX6SLL_PAD_SD3_CMD__SD3_CMD 0x170b9
419 MX6SLL_PAD_SD3_CLK__SD3_CLK 0x170b9
420 MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170b9
421 MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170b9
422 MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170b9
423 MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170b9
424 >;
425 };
426
427 pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
428 fsl,pins = <
429 MX6SLL_PAD_SD3_CMD__SD3_CMD 0x170f9
430 MX6SLL_PAD_SD3_CLK__SD3_CLK 0x170f9
431 MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170f9
432 MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170f9
433 MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170f9
434 MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170f9
435 >;
436 };
437
438 pinctrl_usdhc3_sleep: usdhc3-sleepgrp {
439 fsl,pins = <
440 MX6SLL_PAD_SD3_CMD__GPIO5_IO21 0x100c1
441 MX6SLL_PAD_SD3_CLK__GPIO5_IO18 0x100c1
442 MX6SLL_PAD_SD3_DATA0__GPIO5_IO19 0x100c1
443 MX6SLL_PAD_SD3_DATA1__GPIO5_IO20 0x100c1
444 MX6SLL_PAD_SD3_DATA2__GPIO5_IO16 0x100c1
445 MX6SLL_PAD_SD3_DATA3__GPIO5_IO17 0x100c1
446 >;
447 };
448
449 pinctrl_wifi_power: wifi-powergrp {
450 fsl,pins = <
451 MX6SLL_PAD_SD2_DATA6__GPIO4_IO29 0x10059
452 >;
453 };
454};
455
456&snvs_rtc {
457 /* we are using the rtc in the pmic, not disabled in imx6sll.dtsi */
458 status = "disabled";
459};
460
461&uart1 {
462 pinctrl-names = "default";
463 pinctrl-0 = <&pinctrl_uart1>;
464 status = "okay";
465};
466
467&uart2 {
468 pinctrl-names = "default", "sleep";
469 pinctrl-0 = <&pinctrl_uart2>;
470 pinctrl-1 = <&pinctrl_uart2_sleep>;
471 status = "okay";
472
473 /* requires LDO4 + power enable gpio */
474 bluetooth {
475 compatible = "nxp,88w8987-bt";
476 fw-init-baudrate = <1500000>;
477 };
478};
479
480&usbotg1 {
481 pinctrl-names = "default";
482 pinctrl-0 = <&pinctrl_usbotg1>;
483 disable-over-current;
484 srp-disable;
485 hnp-disable;
486 adp-disable;
487 status = "okay";
488};
489
490&usdhc2 {
491 pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
492 pinctrl-0 = <&pinctrl_usdhc2>;
493 pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
494 pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
495 pinctrl-3 = <&pinctrl_usdhc2_sleep>;
496 non-removable;
497 status = "okay";
498};
499
500&usdhc3 {
501 pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
502 pinctrl-0 = <&pinctrl_usdhc3>;
503 pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
504 pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
505 pinctrl-3 = <&pinctrl_usdhc3_sleep>;
506 /* card requires also ldo4 */
507 vmmc-supply = <®_wifi>;
508 cap-power-off-card;
509 non-removable;
510 status = "okay";
511};