1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright 2019 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 E60K02 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 = &usdhc2;
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 = <&gpio5 8 GPIO_ACTIVE_LOW>;
32 linux,code = <KEY_POWER>;
33 wakeup-source;
34 };
35
36 key-cover {
37 label = "Cover";
38 gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;
39 linux,code = <SW_LID>;
40 linux,input-type = <EV_SW>;
41 wakeup-source;
42 };
43 };
44
45 leds: leds {
46 compatible = "gpio-leds";
47
48 led {
49 label = "e60k02:white:on";
50 gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
51 linux,default-trigger = "timer";
52 };
53 };
54
55 memory@80000000 {
56 device_type = "memory";
57 reg = <0x80000000 0x20000000>;
58 };
59
60 reg_wifi: regulator-wifi {
61 compatible = "regulator-fixed";
62 regulator-name = "SD3_SPWR";
63 regulator-min-microvolt = <3000000>;
64 regulator-max-microvolt = <3000000>;
65 gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
66 enable-active-high;
67 };
68
69 wifi_pwrseq: wifi_pwrseq {
70 compatible = "mmc-pwrseq-simple";
71 post-power-on-delay-ms = <20>;
72 reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
73 };
74 };
75
76
77 &i2c1 {
78 clock-frequency = <100000>;
79 status = "okay";
80
81 lm3630a: backlight@36 {
82 reg = <0x36>;
83 compatible = "ti,lm3630a";
84 enable-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
85
86 #address-cells = <1>;
87 #size-cells = <0>;
88
89 led@0 {
90 reg = <0>;
91 led-sources = <0>;
92 label = "backlight_warm";
93 default-brightness = <0>;
94 max-brightness = <255>;
95 };
96
97 led@1 {
98 reg = <1>;
99 led-sources = <1>;
100 label = "backlight_cold";
101 default-brightness = <0>;
102 max-brightness = <255>;
103 };
104 };
105 };
106
107 &i2c2 {
108 clock-frequency = <100000>;
109 status = "okay";
110
111 touchscreen@24 {
112 compatible = "cypress,tt21000";
113 reg = <0x24>;
114 pinctrl-names = "default";
115 pinctrl-0 = <&pinctrl_cyttsp5_gpio>;
116 interrupt-parent = <&gpio5>;
117 interrupts = <6 IRQ_TYPE_EDGE_FALLING>;
118 reset-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
119 vdd-supply = <&ldo5_reg>;
120 };
121
122 /* TODO: TPS65185 PMIC for E Ink at 0x68 */
123
124 };
125
126 &i2c3 {
127 clock-frequency = <100000>;
128 status = "okay";
129
130 ricoh619: pmic@32 {
131 compatible = "ricoh,rc5t619";
132 reg = <0x32>;
133 interrupt-parent = <&gpio5>;
134 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
135 system-power-controller;
136
137 regulators {
138 dcdc1_reg: DCDC1 {
139 regulator-name = "DCDC1";
140 regulator-min-microvolt = <300000>;
141 regulator-max-microvolt = <1875000>;
142 regulator-always-on;
143 regulator-boot-on;
144
145 regulator-state-mem {
146 regulator-on-in-suspend;
147 regulator-suspend-max-microvolt = <900000>;
148 regulator-suspend-min-microvolt = <900000>;
149 };
150 };
151
152 /* Core3_3V3 */
153 dcdc2_reg: DCDC2 {
154 regulator-name = "DCDC2";
155 regulator-always-on;
156 regulator-boot-on;
157
158 regulator-state-mem {
159 regulator-on-in-suspend;
160 regulator-suspend-max-microvolt = <3300000>;
161 regulator-suspend-min-microvolt = <3300000>;
162 };
163 };
164
165 dcdc3_reg: DCDC3 {
166 regulator-name = "DCDC3";
167 regulator-min-microvolt = <300000>;
168 regulator-max-microvolt = <1875000>;
169 regulator-always-on;
170 regulator-boot-on;
171
172 regulator-state-mem {
173 regulator-on-in-suspend;
174 regulator-suspend-max-microvolt = <1140000>;
175 regulator-suspend-min-microvolt = <1140000>;
176 };
177 };
178
179 /* Core4_1V2 */
180 dcdc4_reg: DCDC4 {
181 regulator-name = "DCDC4";
182 regulator-min-microvolt = <1200000>;
183 regulator-max-microvolt = <1200000>;
184 regulator-always-on;
185 regulator-boot-on;
186
187 regulator-state-mem {
188 regulator-on-in-suspend;
189 regulator-suspend-max-microvolt = <1140000>;
190 regulator-suspend-min-microvolt = <1140000>;
191 };
192 };
193
194 /* Core4_1V8 */
195 dcdc5_reg: DCDC5 {
196 regulator-name = "DCDC5";
197 regulator-min-microvolt = <1800000>;
198 regulator-max-microvolt = <1800000>;
199 regulator-always-on;
200 regulator-boot-on;
201
202 regulator-state-mem {
203 regulator-on-in-suspend;
204 regulator-suspend-max-microvolt = <1700000>;
205 regulator-suspend-min-microvolt = <1700000>;
206 };
207 };
208
209 /* IR_3V3 */
210 ldo1_reg: LDO1 {
211 regulator-name = "LDO1";
212 regulator-boot-on;
213 };
214
215 /* Core1_3V3 */
216 ldo2_reg: LDO2 {
217 regulator-name = "LDO2";
218 regulator-always-on;
219 regulator-boot-on;
220
221 regulator-state-mem {
222 regulator-on-in-suspend;
223 regulator-suspend-max-microvolt = <3000000>;
224 regulator-suspend-min-microvolt = <3000000>;
225 };
226 };
227
228 /* Core5_1V2 */
229 ldo3_reg: LDO3 {
230 regulator-name = "LDO3";
231 regulator-always-on;
232 regulator-boot-on;
233 };
234
235 ldo4_reg: LDO4 {
236 regulator-name = "LDO4";
237 regulator-boot-on;
238 };
239
240 /* SPD_3V3 */
241 ldo5_reg: LDO5 {
242 regulator-name = "LDO5";
243 regulator-always-on;
244 regulator-boot-on;
245 };
246
247 /* DDR_0V6 */
248 ldo6_reg: LDO6 {
249 regulator-name = "LDO6";
250 regulator-always-on;
251 regulator-boot-on;
252 };
253
254 /* VDD_PWM */
255 ldo7_reg: LDO7 {
256 regulator-name = "LDO7";
257 regulator-always-on;
258 regulator-boot-on;
259 };
260
261 /* ldo_1v8 */
262 ldo8_reg: LDO8 {
263 regulator-name = "LDO8";
264 regulator-min-microvolt = <1800000>;
265 regulator-max-microvolt = <1800000>;
266 regulator-always-on;
267 regulator-boot-on;
268 };
269
270 ldo9_reg: LDO9 {
271 regulator-name = "LDO9";
272 regulator-boot-on;
273 };
274
275 ldo10_reg: LDO10 {
276 regulator-name = "LDO10";
277 regulator-boot-on;
278 };
279
280 ldortc1_reg: LDORTC1 {
281 regulator-name = "LDORTC1";
282 regulator-boot-on;
283 };
284 };
285 };
286 };
287
288 &snvs_rtc {
289 /* we are using the rtc in the pmic, not disabled in imx6sll.dtsi */
290 status = "disabled";
291 };
292
293 &uart1 {
294 /* J4, through-hole */
295 status = "okay";
296 };
297
298 &uart4 {
299 /* TP198, next to J4, SMD pads */
300 status = "okay";
301 };
302
303 &usdhc2 {
304 non-removable;
305 status = "okay";
306 };
307
308 &usdhc3 {
309 vmmc-supply = <®_wifi>;
310 mmc-pwrseq = <&wifi_pwrseq>;
311 cap-power-off-card;
312 non-removable;
313 status = "okay";
314 };
315
316 &usbotg1 {
317 pinctrl-names = "default";
318 pinctrl-0 = <&pinctrl_usbotg1>;
319 disable-over-current;
320 srp-disable;
321 hnp-disable;
322 adp-disable;
323 status = "okay";
324 };
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