1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
|
// SPDX-License-Identifier: GPL-2.0+
// Copyright 2019 Jonathan Neuschäfer
//
// The Kobo Aura e-book reader, model N514. The mainboard is marked as E606F0B.
/dts-v1/;
#include "imx50.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "Kobo Aura (N514)";
compatible = "kobo,aura", "fsl,imx50";
chosen {
stdout-path = "serial1:115200n8";
};
memory@70000000 {
device_type = "memory";
reg = <0x70000000 0x10000000>;
};
gpio-leds {
compatible = "gpio-leds";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_leds>;
on {
label = "kobo_aura:orange:on";
gpios = <&gpio6 24 GPIO_ACTIVE_LOW>;
panic-indicator;
};
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpiokeys>;
power {
label = "Power Button";
gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
linux,code = <KEY_POWER>;
};
hallsensor {
label = "Hallsensor";
gpios = <&gpio5 15 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESERVED>;
linux,input-type = <EV_SW>;
};
frontlight {
label = "Frontlight";
gpios = <&gpio4 1 GPIO_ACTIVE_LOW>;
linux,code = <KEY_DISPLAYTOGGLE>;
};
};
sd2_pwrseq: pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd2_reset>;
reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
};
sd2_vmmc: gpio-regulator {
compatible = "regulator-gpio";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd2_vmmc>;
regulator-name = "vmmc";
states = <3300000 0>;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
enable-gpio = <&gpio4 12 GPIO_ACTIVE_LOW>;
startup-delay-us = <100000>;
};
};
&esdhc1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd1>;
max-frequency = <50000000>;
bus-width = <4>;
cd-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
disable-wp;
status = "okay";
/* External µSD card */
};
&esdhc2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd2>;
bus-width = <4>;
max-frequency = <50000000>;
disable-wp;
mmc-pwrseq = <&sd2_pwrseq>;
vmmc-supply = <&sd2_vmmc>;
status = "okay";
/* CyberTan WC121 SDIO WiFi (BCM43362) */
};
&esdhc3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd3>;
bus-width = <8>;
non-removable;
max-frequency = <50000000>;
disable-wp;
status = "okay";
/* Internal eMMC */
};
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";
touchscreen@15 {
reg = <0x15>;
compatible = "elan,ektf2132";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ts>;
power-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
interrupts-extended = <&gpio5 13 IRQ_TYPE_EDGE_FALLING>;
};
};
&i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
/* TODO: TPS65185 PMIC for E Ink at 0x68 */
};
&i2c3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3>;
status = "okay";
embedded-controller@43 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ec>;
compatible = "netronix,ntxec";
reg = <0x43>;
system-power-controller;
interrupts-extended = <&gpio4 11 IRQ_TYPE_EDGE_FALLING>;
#pwm-cells = <2>;
};
};
&iomuxc {
pinctrl_ec: ecgrp {
fsl,pins = <
MX50_PAD_CSPI_SS0__GPIO4_11 0x0 /* INT */
>;
};
pinctrl_gpiokeys: gpiokeysgrp {
fsl,pins = <
MX50_PAD_CSPI_MISO__GPIO4_10 0x0
MX50_PAD_SD2_D7__GPIO5_15 0x0
MX50_PAD_KEY_ROW0__GPIO4_1 0x0
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX50_PAD_I2C1_SCL__I2C1_SCL 0x400001fd
MX50_PAD_I2C1_SDA__I2C1_SDA 0x400001fd
>;
};
pinctrl_i2c2: i2c2grp {
fsl,pins = <
MX50_PAD_I2C2_SCL__I2C2_SCL 0x400001fd
MX50_PAD_I2C2_SDA__I2C2_SDA 0x400001fd
>;
};
pinctrl_i2c3: i2c3grp {
fsl,pins = <
MX50_PAD_I2C3_SCL__I2C3_SCL 0x400001fd
MX50_PAD_I2C3_SDA__I2C3_SDA 0x400001fd
>;
};
pinctrl_leds: ledsgrp {
fsl,pins = <
MX50_PAD_PWM1__GPIO6_24 0x0
>;
};
pinctrl_sd1: sd1grp {
fsl,pins = <
MX50_PAD_SD1_CMD__ESDHC1_CMD 0x1e4
MX50_PAD_SD1_CLK__ESDHC1_CLK 0xd4
MX50_PAD_SD1_D0__ESDHC1_DAT0 0x1d4
MX50_PAD_SD1_D1__ESDHC1_DAT1 0x1d4
MX50_PAD_SD1_D2__ESDHC1_DAT2 0x1d4
MX50_PAD_SD1_D3__ESDHC1_DAT3 0x1d4
MX50_PAD_SD2_CD__GPIO5_17 0x0
>;
};
pinctrl_sd2: sd2grp {
fsl,pins = <
MX50_PAD_SD2_CMD__ESDHC2_CMD 0x1e4
MX50_PAD_SD2_CLK__ESDHC2_CLK 0xd4
MX50_PAD_SD2_D0__ESDHC2_DAT0 0x1d4
MX50_PAD_SD2_D1__ESDHC2_DAT1 0x1d4
MX50_PAD_SD2_D2__ESDHC2_DAT2 0x1d4
MX50_PAD_SD2_D3__ESDHC2_DAT3 0x1d4
>;
};
pinctrl_sd2_reset: sd2-resetgrp {
fsl,pins = <
MX50_PAD_ECSPI2_MOSI__GPIO4_17 0x0
>;
};
pinctrl_sd2_vmmc: sd2-vmmcgrp {
fsl,pins = <
MX50_PAD_ECSPI1_SCLK__GPIO4_12 0x0
>;
};
pinctrl_sd3: sd3grp {
fsl,pins = <
MX50_PAD_SD3_CMD__ESDHC3_CMD 0x1e4
MX50_PAD_SD3_CLK__ESDHC3_CLK 0xd4
MX50_PAD_SD3_D0__ESDHC3_DAT0 0x1d4
MX50_PAD_SD3_D1__ESDHC3_DAT1 0x1d4
MX50_PAD_SD3_D2__ESDHC3_DAT2 0x1d4
MX50_PAD_SD3_D3__ESDHC3_DAT3 0x1d4
MX50_PAD_SD3_D4__ESDHC3_DAT4 0x1d4
MX50_PAD_SD3_D5__ESDHC3_DAT5 0x1d4
MX50_PAD_SD3_D6__ESDHC3_DAT6 0x1d4
MX50_PAD_SD3_D7__ESDHC3_DAT7 0x1d4
>;
};
pinctrl_ts: tsgrp {
fsl,pins = <
MX50_PAD_CSPI_MOSI__GPIO4_9 0x0
MX50_PAD_SD2_D5__GPIO5_13 0x0
>;
};
pinctrl_uart2: uart2grp {
fsl,pins = <
MX50_PAD_UART2_TXD__UART2_TXD_MUX 0x1e4
MX50_PAD_UART2_RXD__UART2_RXD_MUX 0x1e4
>;
};
pinctrl_usbphy: usbphygrp {
fsl,pins = <
MX50_PAD_ECSPI2_SS0__GPIO4_19 0x0
>;
};
};
&uart2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
status = "okay";
};
&usbotg {
phy_type = "utmi_wide";
dr_mode = "peripheral";
status = "okay";
};
&usbphy0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usbphy>;
vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
};
|
