1 // SPDX-License-Identifier: (GPL-2.0)
2 /*
3 * Device tree for the Kobo Libra H2O ebook reader
4 *
5 * Name on mainboard is: 37NB-E70K0M+6A3
6 * Serials start with: E70K02 (a number also seen in
7 * vendor kernel sources)
8 *
9 * This mainboard seems to be equipped with different SoCs.
10 * In the Kobo Libra H2O ebook reader it is an i.MX6SLL
11 *
12 * Copyright 2021 Andreas Kemnade
13 * based on works
14 * Copyright 2016 Freescale Semiconductor, Inc.
15 */
16
17 /dts-v1/;
18
19 #include <dt-bindings/input/input.h>
20 #include <dt-bindings/gpio/gpio.h>
21 #include "imx6sll.dtsi"
22 #include "e70k02.dtsi"
23
24 / {
25 model = "Kobo Libra H2O";
26 compatible = "kobo,librah2o", "fsl,imx6sll";
27 };
28
29 &clks {
30 assigned-clocks = <&clks IMX6SLL_CLK_PLL4_AUDIO_DIV>;
31 assigned-clock-rates = <393216000>;
32 };
33
34 &cpu0 {
35 arm-supply = <&dcdc3_reg>;
36 soc-supply = <&dcdc1_reg>;
37 };
38
39 &gpio_keys {
40 pinctrl-names = "default";
41 pinctrl-0 = <&pinctrl_gpio_keys>;
42 };
43
44 &i2c1 {
45 pinctrl-names = "default","sleep";
46 pinctrl-0 = <&pinctrl_i2c1>;
47 pinctrl-1 = <&pinctrl_i2c1_sleep>;
48 };
49
50 &i2c2 {
51 pinctrl-names = "default","sleep";
52 pinctrl-0 = <&pinctrl_i2c2>;
53 pinctrl-1 = <&pinctrl_i2c2_sleep>;
54 };
55
56 &i2c3 {
57 pinctrl-names = "default";
58 pinctrl-0 = <&pinctrl_i2c3>;
59 };
60
61 &iomuxc {
62 pinctrl-names = "default";
63 pinctrl-0 = <&pinctrl_hog>;
64
65 pinctrl_cyttsp5_gpio: cyttsp5-gpiogrp {
66 fsl,pins = <
67 MX6SLL_PAD_GPIO4_IO24__GPIO4_IO24 0x17059 /* TP_INT */
68 MX6SLL_PAD_GPIO4_IO18__GPIO4_IO18 0x10059 /* TP_RST */
69 >;
70 };
71
72 pinctrl_gpio_keys: gpio-keysgrp {
73 fsl,pins = <
74 MX6SLL_PAD_GPIO4_IO25__GPIO4_IO25 0x17059 /* PWR_SW */
75 MX6SLL_PAD_GPIO4_IO23__GPIO4_IO23 0x17059 /* HALL_EN */
76 MX6SLL_PAD_KEY_COL4__GPIO4_IO00 0x17059 /* PAGE_UP */
77 MX6SLL_PAD_KEY_COL5__GPIO4_IO02 0x17059 /* PAGE_DOWN */
78 >;
79 };
80
81 pinctrl_hog: hoggrp {
82 fsl,pins = <
83 MX6SLL_PAD_LCD_DATA01__GPIO2_IO21 0x79
84 MX6SLL_PAD_LCD_DATA04__GPIO2_IO24 0x79
85 MX6SLL_PAD_LCD_DATA05__GPIO2_IO25 0x79
86 MX6SLL_PAD_LCD_DATA06__GPIO2_IO26 0x79
87 MX6SLL_PAD_LCD_DATA07__GPIO2_IO27 0x79
88 MX6SLL_PAD_LCD_DATA08__GPIO2_IO28 0x79
89 MX6SLL_PAD_LCD_DATA09__GPIO2_IO29 0x79
90 MX6SLL_PAD_LCD_DATA10__GPIO2_IO30 0x79
91 MX6SLL_PAD_LCD_DATA11__GPIO2_IO31 0x79
92 MX6SLL_PAD_LCD_DATA12__GPIO3_IO00 0x79
93 MX6SLL_PAD_LCD_DATA13__GPIO3_IO01 0x79
94 MX6SLL_PAD_LCD_DATA14__GPIO3_IO02 0x79
95 MX6SLL_PAD_LCD_DATA15__GPIO3_IO03 0x79
96 MX6SLL_PAD_LCD_DATA16__GPIO3_IO04 0x79
97 MX6SLL_PAD_LCD_DATA17__GPIO3_IO05 0x79
98 MX6SLL_PAD_LCD_DATA18__GPIO3_IO06 0x79
99 MX6SLL_PAD_LCD_DATA19__GPIO3_IO07 0x79
100 MX6SLL_PAD_LCD_DATA20__GPIO3_IO08 0x79
101 MX6SLL_PAD_LCD_DATA21__GPIO3_IO09 0x79
102 MX6SLL_PAD_LCD_DATA22__GPIO3_IO10 0x79
103 MX6SLL_PAD_LCD_DATA23__GPIO3_IO11 0x79
104 MX6SLL_PAD_LCD_CLK__GPIO2_IO15 0x79
105 MX6SLL_PAD_LCD_ENABLE__GPIO2_IO16 0x79
106 MX6SLL_PAD_LCD_HSYNC__GPIO2_IO17 0x79
107 MX6SLL_PAD_LCD_VSYNC__GPIO2_IO18 0x79
108 MX6SLL_PAD_LCD_RESET__GPIO2_IO19 0x79
109 MX6SLL_PAD_GPIO4_IO21__GPIO4_IO21 0x79
110 MX6SLL_PAD_GPIO4_IO26__GPIO4_IO26 0x79
111 MX6SLL_PAD_KEY_COL3__GPIO3_IO30 0x79
112 MX6SLL_PAD_KEY_ROW7__GPIO4_IO07 0x79
113 MX6SLL_PAD_ECSPI2_MOSI__GPIO4_IO13 0x79
114 >;
115 };
116
117 pinctrl_i2c1: i2c1grp {
118 fsl,pins = <
119 MX6SLL_PAD_I2C1_SCL__I2C1_SCL 0x4001f8b1
120 MX6SLL_PAD_I2C1_SDA__I2C1_SDA 0x4001f8b1
121 >;
122 };
123
124 pinctrl_i2c1_sleep: i2c1grp-sleep {
125 fsl,pins = <
126 MX6SLL_PAD_I2C1_SCL__I2C1_SCL 0x400108b1
127 MX6SLL_PAD_I2C1_SDA__I2C1_SDA 0x400108b1
128 >;
129 };
130
131 pinctrl_i2c2: i2c2grp {
132 fsl,pins = <
133 MX6SLL_PAD_I2C2_SCL__I2C2_SCL 0x4001f8b1
134 MX6SLL_PAD_I2C2_SDA__I2C2_SDA 0x4001f8b1
135 >;
136 };
137
138 pinctrl_i2c2_sleep: i2c2grp-sleep {
139 fsl,pins = <
140 MX6SLL_PAD_I2C2_SCL__I2C2_SCL 0x400108b1
141 MX6SLL_PAD_I2C2_SDA__I2C2_SDA 0x400108b1
142 >;
143 };
144
145 pinctrl_i2c3: i2c3grp {
146 fsl,pins = <
147 MX6SLL_PAD_REF_CLK_24M__I2C3_SCL 0x4001f8b1
148 MX6SLL_PAD_REF_CLK_32K__I2C3_SDA 0x4001f8b1
149 >;
150 };
151
152 pinctrl_led: ledgrp {
153 fsl,pins = <
154 MX6SLL_PAD_GPIO4_IO17__GPIO4_IO17 0x10059
155 >;
156 };
157
158 pinctrl_lm3630a_bl_gpio: lm3630a-bl-gpiogrp {
159 fsl,pins = <
160 MX6SLL_PAD_EPDC_PWR_CTRL3__GPIO2_IO10 0x10059 /* HWEN */
161 >;
162 };
163
164 pinctrl_ricoh_gpio: ricoh-gpiogrp {
165 fsl,pins = <
166 MX6SLL_PAD_GPIO4_IO20__GPIO4_IO20 0x1b8b1 /* ricoh619 chg */
167 MX6SLL_PAD_GPIO4_IO19__GPIO4_IO19 0x1b8b1 /* ricoh619 irq */
168 MX6SLL_PAD_KEY_COL2__GPIO3_IO28 0x1b8b1 /* ricoh619 bat_low_int */
169 >;
170 };
171
172 pinctrl_uart1: uart1grp {
173 fsl,pins = <
174 MX6SLL_PAD_UART1_TXD__UART1_DCE_TX 0x1b0b1
175 MX6SLL_PAD_UART1_RXD__UART1_DCE_RX 0x1b0b1
176 >;
177 };
178
179 pinctrl_usbotg1: usbotg1grp {
180 fsl,pins = <
181 MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID 0x17059
182 >;
183 };
184
185 pinctrl_usdhc1: usdhc1grp {
186 fsl,pins = <
187 MX6SLL_PAD_SD1_CMD__SD1_CMD 0x17059
188 MX6SLL_PAD_SD1_CLK__SD1_CLK 0x17059
189 MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x17059
190 MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x17059
191 MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x17059
192 MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x17059
193 MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x17059
194 MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x17059
195 MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x17059
196 MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x17059
197 >;
198 };
199
200 pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
201 fsl,pins = <
202 MX6SLL_PAD_SD1_CMD__SD1_CMD 0x170b9
203 MX6SLL_PAD_SD1_CLK__SD1_CLK 0x170b9
204 MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x170b9
205 MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x170b9
206 MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x170b9
207 MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x170b9
208 MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x170b9
209 MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x170b9
210 MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x170b9
211 MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x170b9
212 >;
213 };
214
215 pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
216 fsl,pins = <
217 MX6SLL_PAD_SD1_CMD__SD1_CMD 0x170f9
218 MX6SLL_PAD_SD1_CLK__SD1_CLK 0x170f9
219 MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x170f9
220 MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x170f9
221 MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x170f9
222 MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x170f9
223 MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x170b9
224 MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x170b9
225 MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x170b9
226 MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x170b9
227 >;
228 };
229
230 pinctrl_usdhc1_sleep: usdhc1-sleepgrp {
231 fsl,pins = <
232 MX6SLL_PAD_SD1_CMD__SD1_CMD 0x10059
233 MX6SLL_PAD_SD1_CLK__SD1_CLK 0x10059
234 MX6SLL_PAD_SD1_DATA0__SD1_DATA0 0x10059
235 MX6SLL_PAD_SD1_DATA1__SD1_DATA1 0x10059
236 MX6SLL_PAD_SD1_DATA2__SD1_DATA2 0x10059
237 MX6SLL_PAD_SD1_DATA3__SD1_DATA3 0x10059
238 MX6SLL_PAD_SD1_DATA4__SD1_DATA4 0x10059
239 MX6SLL_PAD_SD1_DATA5__SD1_DATA5 0x10059
240 MX6SLL_PAD_SD1_DATA6__SD1_DATA6 0x10059
241 MX6SLL_PAD_SD1_DATA7__SD1_DATA7 0x10059
242 >;
243 };
244
245 pinctrl_usdhc3: usdhc3grp {
246 fsl,pins = <
247 MX6SLL_PAD_SD3_CMD__SD3_CMD 0x11059
248 MX6SLL_PAD_SD3_CLK__SD3_CLK 0x11059
249 MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x11059
250 MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x11059
251 MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x11059
252 MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x11059
253 >;
254 };
255
256 pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
257 fsl,pins = <
258 MX6SLL_PAD_SD3_CMD__SD3_CMD 0x170b9
259 MX6SLL_PAD_SD3_CLK__SD3_CLK 0x170b9
260 MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170b9
261 MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170b9
262 MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170b9
263 MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170b9
264 >;
265 };
266
267 pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
268 fsl,pins = <
269 MX6SLL_PAD_SD3_CMD__SD3_CMD 0x170f9
270 MX6SLL_PAD_SD3_CLK__SD3_CLK 0x170f9
271 MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170f9
272 MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170f9
273 MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170f9
274 MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170f9
275 >;
276 };
277
278 pinctrl_usdhc3_sleep: usdhc3-sleepgrp {
279 fsl,pins = <
280 MX6SLL_PAD_SD3_CMD__GPIO5_IO21 0x100c1
281 MX6SLL_PAD_SD3_CLK__GPIO5_IO18 0x100c1
282 MX6SLL_PAD_SD3_DATA0__GPIO5_IO19 0x100c1
283 MX6SLL_PAD_SD3_DATA1__GPIO5_IO20 0x100c1
284 MX6SLL_PAD_SD3_DATA2__GPIO5_IO16 0x100c1
285 MX6SLL_PAD_SD3_DATA3__GPIO5_IO17 0x100c1
286 >;
287 };
288
289 pinctrl_wifi_power: wifi-powergrp {
290 fsl,pins = <
291 MX6SLL_PAD_SD2_DATA6__GPIO4_IO29 0x10059 /* WIFI_3V3_ON */
292 >;
293 };
294
295 pinctrl_wifi_reset: wifi-resetgrp {
296 fsl,pins = <
297 MX6SLL_PAD_SD2_DATA7__GPIO5_IO00 0x10059 /* WIFI_RST */
298 >;
299 };
300 };
301
302 &leds {
303 pinctrl-names = "default";
304 pinctrl-0 = <&pinctrl_led>;
305 };
306
307 &lm3630a {
308 pinctrl-names = "default";
309 pinctrl-0 = <&pinctrl_lm3630a_bl_gpio>;
310 };
311
312 ®_wifi {
313 pinctrl-names = "default";
314 pinctrl-0 = <&pinctrl_wifi_power>;
315 };
316
317 &ricoh619 {
318 pinctrl-names = "default";
319 pinctrl-0 = <&pinctrl_ricoh_gpio>;
320 };
321
322 &uart1 {
323 pinctrl-names = "default";
324 pinctrl-0 = <&pinctrl_uart1>;
325 };
326
327 &usdhc1 {
328 pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
329 pinctrl-0 = <&pinctrl_usdhc1>;
330 pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
331 pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
332 pinctrl-3 = <&pinctrl_usdhc1_sleep>;
333 };
334
335 &usdhc3 {
336 pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
337 pinctrl-0 = <&pinctrl_usdhc3>;
338 pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
339 pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
340 pinctrl-3 = <&pinctrl_usdhc3_sleep>;
341 };
342
343 &wifi_pwrseq {
344 pinctrl-names = "default";
345 pinctrl-0 = <&pinctrl_wifi_reset>;
346 };
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