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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright 2021 Andreas Kemnade
4 * based on works
5 * Copyright 2016 Freescale Semiconductor, Inc.
6 * and
7 * Copyright (C) 2014 Ricoh Electronic Devices Co., Ltd
8 *
9 * Netronix E70K02 board common.
10 * This board is equipped with different SoCs and
11 * found in ebook-readers like the Kobo Clara HD (with i.MX6SLL) and
12 * the Tolino Shine 3 (with i.MX6SL)
13 */
14#include <dt-bindings/input/input.h>
15
16/ {
17 aliases {
18 mmc0 = &usdhc1;
19 mmc1 = &usdhc3;
20 };
21
22 chosen {
23 stdout-path = &uart1;
24 };
25
26 gpio_keys: gpio-keys {
27 compatible = "gpio-keys";
28
29 key-power {
30 label = "Power";
31 gpios = <&gpio4 25 GPIO_ACTIVE_LOW>;
32 linux,code = <KEY_POWER>;
33 wakeup-source;
34 };
35
36 key-cover {
37 label = "Cover";
38 gpios = <&gpio4 23 GPIO_ACTIVE_LOW>;
39 linux,code = <SW_LID>;
40 linux,input-type = <EV_SW>;
41 wakeup-source;
42 };
43
44 key-pageup {
45 label = "PageUp";
46 gpios = <&gpio4 0 GPIO_ACTIVE_LOW>;
47 linux,code = <KEY_PAGEUP>;
48 };
49
50 key-pagedown {
51 label = "PageDown";
52 gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
53 linux,code = <KEY_PAGEDOWN>;
54 };
55 };
56
57 leds: leds {
58 compatible = "gpio-leds";
59
60 led {
61 label = "e70k02:white:on";
62 gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
63 linux,default-trigger = "timer";
64 };
65 };
66
67 memory@80000000 {
68 device_type = "memory";
69 reg = <0x80000000 0x20000000>;
70 };
71
72 reg_wifi: regulator-wifi {
73 compatible = "regulator-fixed";
74 regulator-name = "SD3_SPWR";
75 regulator-min-microvolt = <3000000>;
76 regulator-max-microvolt = <3000000>;
77 gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
78 enable-active-high;
79 };
80
81 wifi_pwrseq: wifi-pwrseq {
82 compatible = "mmc-pwrseq-simple";
83 post-power-on-delay-ms = <20>;
84 reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
85 };
86};
87
88&i2c1 {
89 clock-frequency = <100000>;
90 status = "okay";
91
92 lm3630a: backlight@36 {
93 reg = <0x36>;
94 compatible = "ti,lm3630a";
95 enable-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
96
97 #address-cells = <1>;
98 #size-cells = <0>;
99
100 led@0 {
101 reg = <0>;
102 led-sources = <0>;
103 label = "backlight_warm";
104 default-brightness = <0>;
105 max-brightness = <255>;
106 };
107
108 led@1 {
109 reg = <1>;
110 led-sources = <1>;
111 label = "backlight_cold";
112 default-brightness = <0>;
113 max-brightness = <255>;
114 };
115 };
116
117 /* TODO: KX122 acceleration sensor a 0x1e */
118
119};
120
121&i2c2 {
122 clock-frequency = <100000>;
123 status = "okay";
124
125 /* TODO: CYTTSP5 touch controller at 0x24 */
126
127 /* TODO: SY7636 PMIC for E Ink at 0x62 */
128
129};
130
131&i2c3 {
132 clock-frequency = <100000>;
133 status = "okay";
134
135 ricoh619: pmic@32 {
136 compatible = "ricoh,rc5t619";
137 reg = <0x32>;
138 interrupt-parent = <&gpio4>;
139 interrupts = <19 IRQ_TYPE_EDGE_FALLING>;
140 system-power-controller;
141
142 regulators {
143 dcdc1_reg: DCDC1 {
144 regulator-name = "DCDC1";
145 regulator-min-microvolt = <300000>;
146 regulator-max-microvolt = <1875000>;
147 regulator-always-on;
148 regulator-boot-on;
149
150 regulator-state-mem {
151 regulator-on-in-suspend;
152 regulator-suspend-max-microvolt = <900000>;
153 regulator-suspend-min-microvolt = <900000>;
154 };
155 };
156
157 /* Core3_3V3 */
158 dcdc2_reg: DCDC2 {
159 regulator-name = "DCDC2";
160 regulator-always-on;
161 regulator-boot-on;
162
163 regulator-state-mem {
164 regulator-on-in-suspend;
165 regulator-suspend-max-microvolt = <3300000>;
166 regulator-suspend-min-microvolt = <3300000>;
167 };
168 };
169
170 dcdc3_reg: DCDC3 {
171 regulator-name = "DCDC3";
172 regulator-min-microvolt = <300000>;
173 regulator-max-microvolt = <1875000>;
174 regulator-always-on;
175 regulator-boot-on;
176
177 regulator-state-mem {
178 regulator-on-in-suspend;
179 regulator-suspend-max-microvolt = <1140000>;
180 regulator-suspend-min-microvolt = <1140000>;
181 };
182 };
183
184 /* Core4_1V2 */
185 dcdc4_reg: DCDC4 {
186 regulator-name = "DCDC4";
187 regulator-min-microvolt = <1200000>;
188 regulator-max-microvolt = <1200000>;
189 regulator-always-on;
190 regulator-boot-on;
191
192 regulator-state-mem {
193 regulator-on-in-suspend;
194 regulator-suspend-max-microvolt = <1140000>;
195 regulator-suspend-min-microvolt = <1140000>;
196 };
197 };
198
199 /* Core4_1V8 */
200 dcdc5_reg: DCDC5 {
201 regulator-name = "DCDC5";
202 regulator-min-microvolt = <1800000>;
203 regulator-max-microvolt = <1800000>;
204 regulator-always-on;
205 regulator-boot-on;
206
207 regulator-state-mem {
208 regulator-on-in-suspend;
209 regulator-suspend-max-microvolt = <1700000>;
210 regulator-suspend-min-microvolt = <1700000>;
211 };
212 };
213
214 ldo1_reg: LDO1 {
215 regulator-name = "LDO1";
216 regulator-boot-on;
217 };
218
219 /* Core1_3V3 */
220 ldo2_reg: LDO2 {
221 regulator-name = "LDO2";
222 regulator-always-on;
223 regulator-boot-on;
224
225 regulator-state-mem {
226 regulator-on-in-suspend;
227 regulator-suspend-max-microvolt = <3000000>;
228 regulator-suspend-min-microvolt = <3000000>;
229 };
230 };
231
232 /* Core5_1V2 */
233 ldo3_reg: LDO3 {
234 regulator-name = "LDO3";
235 regulator-always-on;
236 regulator-boot-on;
237 };
238
239 ldo4_reg: LDO4 {
240 regulator-name = "LDO4";
241 regulator-boot-on;
242 };
243
244 /* SPD_3V3 */
245 ldo5_reg: LDO5 {
246 regulator-name = "LDO5";
247 regulator-always-on;
248 regulator-boot-on;
249 };
250
251 /* DDR_0V6 */
252 ldo6_reg: LDO6 {
253 regulator-name = "LDO6";
254 regulator-always-on;
255 regulator-boot-on;
256 };
257
258 /* VDD_PWM */
259 ldo7_reg: LDO7 {
260 regulator-name = "LDO7";
261 regulator-boot-on;
262 };
263
264 /* ldo_1v8 */
265 ldo8_reg: LDO8 {
266 regulator-name = "LDO8";
267 regulator-min-microvolt = <1800000>;
268 regulator-max-microvolt = <1800000>;
269 regulator-boot-on;
270 };
271
272 ldo9_reg: LDO9 {
273 regulator-name = "LDO9";
274 regulator-boot-on;
275 };
276
277 ldo10_reg: LDO10 {
278 regulator-name = "LDO10";
279 regulator-boot-on;
280 };
281
282 ldortc1_reg: LDORTC1 {
283 regulator-name = "LDORTC1";
284 regulator-boot-on;
285 };
286 };
287 };
288};
289
290&snvs_rtc {
291 /* we are using the rtc in the pmic, not disabled in imx6sll.dtsi */
292 status = "disabled";
293};
294
295&uart1 {
296 status = "okay";
297};
298
299&usdhc1 {
300 non-removable;
301 no-1-8-v;
302 status = "okay";
303};
304
305&usdhc3 {
306 vmmc-supply = <®_wifi>;
307 mmc-pwrseq = <&wifi_pwrseq>;
308 cap-power-off-card;
309 non-removable;
310 status = "okay";
311};
312
313&usbotg1 {
314 pinctrl-names = "default";
315 disable-over-current;
316 srp-disable;
317 hnp-disable;
318 adp-disable;
319 status = "okay";
320};