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1// SPDX-License-Identifier: GPL-2.0+
2// Copyright 2019 Jonathan Neuschäfer
3//
4// The Kobo Aura e-book reader, model N514. The mainboard is marked as E606F0B.
5
6/dts-v1/;
7#include "imx50.dtsi"
8#include <dt-bindings/input/input.h>
9#include <dt-bindings/interrupt-controller/irq.h>
10
11/ {
12 model = "Kobo Aura (N514)";
13 compatible = "kobo,aura", "fsl,imx50";
14
15 chosen {
16 stdout-path = "serial1:115200n8";
17 };
18
19 memory@70000000 {
20 device_type = "memory";
21 reg = <0x70000000 0x10000000>;
22 };
23
24 gpio-leds {
25 compatible = "gpio-leds";
26 pinctrl-names = "default";
27 pinctrl-0 = <&pinctrl_leds>;
28
29 on {
30 label = "kobo_aura:orange:on";
31 gpios = <&gpio6 24 GPIO_ACTIVE_LOW>;
32 panic-indicator;
33 };
34 };
35
36 gpio-keys {
37 compatible = "gpio-keys";
38 pinctrl-names = "default";
39 pinctrl-0 = <&pinctrl_gpiokeys>;
40
41 power {
42 label = "Power Button";
43 gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
44 linux,code = <KEY_POWER>;
45 };
46
47 hallsensor {
48 label = "Hallsensor";
49 gpios = <&gpio5 15 GPIO_ACTIVE_LOW>;
50 linux,code = <KEY_RESERVED>;
51 linux,input-type = <EV_SW>;
52 };
53
54 frontlight {
55 label = "Frontlight";
56 gpios = <&gpio4 1 GPIO_ACTIVE_LOW>;
57 linux,code = <KEY_DISPLAYTOGGLE>;
58 };
59 };
60
61 sd2_pwrseq: pwrseq {
62 compatible = "mmc-pwrseq-simple";
63 pinctrl-names = "default";
64 pinctrl-0 = <&pinctrl_sd2_reset>;
65 reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
66 };
67
68 sd2_vmmc: gpio-regulator {
69 compatible = "regulator-gpio";
70 pinctrl-names = "default";
71 pinctrl-0 = <&pinctrl_sd2_vmmc>;
72 regulator-name = "vmmc";
73 states = <3300000 0>;
74 regulator-min-microvolt = <3300000>;
75 regulator-max-microvolt = <3300000>;
76 enable-gpio = <&gpio4 12 GPIO_ACTIVE_LOW>;
77 startup-delay-us = <100000>;
78 };
79};
80
81&esdhc1 {
82 pinctrl-names = "default";
83 pinctrl-0 = <&pinctrl_sd1>;
84 max-frequency = <50000000>;
85 bus-width = <4>;
86 cd-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
87 disable-wp;
88 status = "okay";
89
90 /* External µSD card */
91};
92
93&esdhc2 {
94 pinctrl-names = "default";
95 pinctrl-0 = <&pinctrl_sd2>;
96 bus-width = <4>;
97 max-frequency = <50000000>;
98 disable-wp;
99 mmc-pwrseq = <&sd2_pwrseq>;
100 vmmc-supply = <&sd2_vmmc>;
101 status = "okay";
102
103 /* CyberTan WC121 SDIO WiFi (BCM43362) */
104};
105
106&esdhc3 {
107 pinctrl-names = "default";
108 pinctrl-0 = <&pinctrl_sd3>;
109 bus-width = <8>;
110 non-removable;
111 max-frequency = <50000000>;
112 disable-wp;
113 status = "okay";
114
115 /* Internal eMMC */
116};
117
118&i2c1 {
119 pinctrl-names = "default";
120 pinctrl-0 = <&pinctrl_i2c1>;
121 status = "okay";
122
123 touchscreen@15 {
124 reg = <0x15>;
125 compatible = "elan,ektf2132";
126 pinctrl-names = "default";
127 pinctrl-0 = <&pinctrl_ts>;
128 power-gpios = <&gpio4 9 GPIO_ACTIVE_HIGH>;
129 interrupts-extended = <&gpio5 13 IRQ_TYPE_EDGE_FALLING>;
130 };
131};
132
133&i2c2 {
134 pinctrl-names = "default";
135 pinctrl-0 = <&pinctrl_i2c2>;
136 status = "okay";
137
138 /* TODO: TPS65185 PMIC for E Ink at 0x68 */
139};
140
141&i2c3 {
142 pinctrl-names = "default";
143 pinctrl-0 = <&pinctrl_i2c3>;
144 status = "okay";
145
146 embedded-controller@43 {
147 pinctrl-names = "default";
148 pinctrl-0 = <&pinctrl_ec>;
149 compatible = "netronix,ntxec";
150 reg = <0x43>;
151 system-power-controller;
152 interrupts-extended = <&gpio4 11 IRQ_TYPE_EDGE_FALLING>;
153 #pwm-cells = <2>;
154 };
155};
156
157&iomuxc {
158 pinctrl_ec: ecgrp {
159 fsl,pins = <
160 MX50_PAD_CSPI_SS0__GPIO4_11 0x0 /* INT */
161 >;
162 };
163
164 pinctrl_gpiokeys: gpiokeysgrp {
165 fsl,pins = <
166 MX50_PAD_CSPI_MISO__GPIO4_10 0x0
167 MX50_PAD_SD2_D7__GPIO5_15 0x0
168 MX50_PAD_KEY_ROW0__GPIO4_1 0x0
169 >;
170 };
171
172 pinctrl_i2c1: i2c1grp {
173 fsl,pins = <
174 MX50_PAD_I2C1_SCL__I2C1_SCL 0x400001fd
175 MX50_PAD_I2C1_SDA__I2C1_SDA 0x400001fd
176 >;
177 };
178
179 pinctrl_i2c2: i2c2grp {
180 fsl,pins = <
181 MX50_PAD_I2C2_SCL__I2C2_SCL 0x400001fd
182 MX50_PAD_I2C2_SDA__I2C2_SDA 0x400001fd
183 >;
184 };
185
186 pinctrl_i2c3: i2c3grp {
187 fsl,pins = <
188 MX50_PAD_I2C3_SCL__I2C3_SCL 0x400001fd
189 MX50_PAD_I2C3_SDA__I2C3_SDA 0x400001fd
190 >;
191 };
192
193 pinctrl_leds: ledsgrp {
194 fsl,pins = <
195 MX50_PAD_PWM1__GPIO6_24 0x0
196 >;
197 };
198
199 pinctrl_sd1: sd1grp {
200 fsl,pins = <
201 MX50_PAD_SD1_CMD__ESDHC1_CMD 0x1e4
202 MX50_PAD_SD1_CLK__ESDHC1_CLK 0xd4
203 MX50_PAD_SD1_D0__ESDHC1_DAT0 0x1d4
204 MX50_PAD_SD1_D1__ESDHC1_DAT1 0x1d4
205 MX50_PAD_SD1_D2__ESDHC1_DAT2 0x1d4
206 MX50_PAD_SD1_D3__ESDHC1_DAT3 0x1d4
207
208 MX50_PAD_SD2_CD__GPIO5_17 0x0
209 >;
210 };
211
212 pinctrl_sd2: sd2grp {
213 fsl,pins = <
214 MX50_PAD_SD2_CMD__ESDHC2_CMD 0x1e4
215 MX50_PAD_SD2_CLK__ESDHC2_CLK 0xd4
216 MX50_PAD_SD2_D0__ESDHC2_DAT0 0x1d4
217 MX50_PAD_SD2_D1__ESDHC2_DAT1 0x1d4
218 MX50_PAD_SD2_D2__ESDHC2_DAT2 0x1d4
219 MX50_PAD_SD2_D3__ESDHC2_DAT3 0x1d4
220 >;
221 };
222
223 pinctrl_sd2_reset: sd2-resetgrp {
224 fsl,pins = <
225 MX50_PAD_ECSPI2_MOSI__GPIO4_17 0x0
226 >;
227 };
228
229 pinctrl_sd2_vmmc: sd2-vmmcgrp {
230 fsl,pins = <
231 MX50_PAD_ECSPI1_SCLK__GPIO4_12 0x0
232 >;
233 };
234
235 pinctrl_sd3: sd3grp {
236 fsl,pins = <
237 MX50_PAD_SD3_CMD__ESDHC3_CMD 0x1e4
238 MX50_PAD_SD3_CLK__ESDHC3_CLK 0xd4
239 MX50_PAD_SD3_D0__ESDHC3_DAT0 0x1d4
240 MX50_PAD_SD3_D1__ESDHC3_DAT1 0x1d4
241 MX50_PAD_SD3_D2__ESDHC3_DAT2 0x1d4
242 MX50_PAD_SD3_D3__ESDHC3_DAT3 0x1d4
243 MX50_PAD_SD3_D4__ESDHC3_DAT4 0x1d4
244 MX50_PAD_SD3_D5__ESDHC3_DAT5 0x1d4
245 MX50_PAD_SD3_D6__ESDHC3_DAT6 0x1d4
246 MX50_PAD_SD3_D7__ESDHC3_DAT7 0x1d4
247 >;
248 };
249
250 pinctrl_ts: tsgrp {
251 fsl,pins = <
252 MX50_PAD_CSPI_MOSI__GPIO4_9 0x0
253 MX50_PAD_SD2_D5__GPIO5_13 0x0
254 >;
255 };
256
257 pinctrl_uart2: uart2grp {
258 fsl,pins = <
259 MX50_PAD_UART2_TXD__UART2_TXD_MUX 0x1e4
260 MX50_PAD_UART2_RXD__UART2_RXD_MUX 0x1e4
261 >;
262 };
263
264 pinctrl_usbphy: usbphygrp {
265 fsl,pins = <
266 MX50_PAD_ECSPI2_SS0__GPIO4_19 0x0
267 >;
268 };
269};
270
271&uart2 {
272 pinctrl-names = "default";
273 pinctrl-0 = <&pinctrl_uart2>;
274 status = "okay";
275};
276
277&usbotg {
278 phy_type = "utmi_wide";
279 dr_mode = "peripheral";
280 status = "okay";
281};
282
283&usbphy0 {
284 pinctrl-names = "default";
285 pinctrl-0 = <&pinctrl_usbphy>;
286 vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
287};
1// SPDX-License-Identifier: GPL-2.0+
2// Copyright 2019 Jonathan Neuschäfer
3//
4// The Kobo Aura e-book reader, model N514. The mainboard is marked as E606F0B.
5
6/dts-v1/;
7#include "imx50.dtsi"
8#include <dt-bindings/input/input.h>
9
10/ {
11 model = "Kobo Aura (N514)";
12 compatible = "kobo,aura", "fsl,imx50";
13
14 chosen {
15 stdout-path = "serial1:115200n8";
16 };
17
18 memory@70000000 {
19 device_type = "memory";
20 reg = <0x70000000 0x10000000>;
21 };
22
23 gpio-leds {
24 compatible = "gpio-leds";
25 pinctrl-names = "default";
26 pinctrl-0 = <&pinctrl_leds>;
27
28 on {
29 label = "kobo_aura:orange:on";
30 gpios = <&gpio6 24 GPIO_ACTIVE_LOW>;
31 panic-indicator;
32 };
33 };
34
35 gpio-keys {
36 compatible = "gpio-keys";
37 pinctrl-names = "default";
38 pinctrl-0 = <&pinctrl_gpiokeys>;
39
40 power {
41 label = "Power Button";
42 gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
43 linux,code = <KEY_POWER>;
44 };
45
46 hallsensor {
47 label = "Hallsensor";
48 gpios = <&gpio5 15 GPIO_ACTIVE_LOW>;
49 linux,code = <KEY_RESERVED>;
50 linux,input-type = <EV_SW>;
51 };
52
53 frontlight {
54 label = "Frontlight";
55 gpios = <&gpio4 1 GPIO_ACTIVE_LOW>;
56 linux,code = <KEY_DISPLAYTOGGLE>;
57 };
58 };
59
60 sd2_pwrseq: pwrseq {
61 compatible = "mmc-pwrseq-simple";
62 pinctrl-names = "default";
63 pinctrl-0 = <&pinctrl_sd2_reset>;
64 reset-gpios = <&gpio4 17 GPIO_ACTIVE_LOW>;
65 };
66
67 sd2_vmmc: gpio-regulator {
68 compatible = "regulator-gpio";
69 pinctrl-names = "default";
70 pinctrl-0 = <&pinctrl_sd2_vmmc>;
71 regulator-name = "vmmc";
72 states = <3300000 0>;
73 regulator-min-microvolt = <3300000>;
74 regulator-max-microvolt = <3300000>;
75 enable-gpio = <&gpio4 12 GPIO_ACTIVE_LOW>;
76 startup-delay-us = <100000>;
77 };
78};
79
80&esdhc1 {
81 pinctrl-names = "default";
82 pinctrl-0 = <&pinctrl_sd1>;
83 max-frequency = <50000000>;
84 bus-width = <4>;
85 cd-gpios = <&gpio5 17 GPIO_ACTIVE_LOW>;
86 disable-wp;
87 status = "okay";
88
89 /* External µSD card */
90};
91
92&esdhc2 {
93 pinctrl-names = "default";
94 pinctrl-0 = <&pinctrl_sd2>;
95 bus-width = <4>;
96 max-frequency = <50000000>;
97 disable-wp;
98 mmc-pwrseq = <&sd2_pwrseq>;
99 vmmc-supply = <&sd2_vmmc>;
100 status = "okay";
101
102 /* CyberTan WC121 SDIO WiFi (BCM43362) */
103};
104
105&esdhc3 {
106 pinctrl-names = "default";
107 pinctrl-0 = <&pinctrl_sd3>;
108 bus-width = <8>;
109 non-removable;
110 max-frequency = <50000000>;
111 disable-wp;
112 status = "okay";
113
114 /* Internal eMMC */
115};
116
117&i2c1 {
118 pinctrl-names = "default";
119 pinctrl-0 = <&pinctrl_i2c1>;
120 status = "okay";
121
122 /* TODO: ektf2132 touch controller at 0x15 */
123};
124
125&i2c2 {
126 pinctrl-names = "default";
127 pinctrl-0 = <&pinctrl_i2c2>;
128 status = "okay";
129
130 /* TODO: TPS65185 PMIC for E Ink at 0x68 */
131};
132
133&i2c3 {
134 pinctrl-names = "default";
135 pinctrl-0 = <&pinctrl_i2c3>;
136 status = "okay";
137
138 /* TODO: embedded controller at 0x43 */
139};
140
141&iomuxc {
142 pinctrl_gpiokeys: gpiokeys {
143 fsl,pins = <
144 MX50_PAD_CSPI_MISO__GPIO4_10 0x0
145 MX50_PAD_SD2_D7__GPIO5_15 0x0
146 MX50_PAD_KEY_ROW0__GPIO4_1 0x0
147 >;
148 };
149
150 pinctrl_i2c1: i2c1 {
151 fsl,pins = <
152 MX50_PAD_I2C1_SCL__I2C1_SCL 0x400001fd
153 MX50_PAD_I2C1_SDA__I2C1_SDA 0x400001fd
154 >;
155 };
156
157 pinctrl_i2c2: i2c2 {
158 fsl,pins = <
159 MX50_PAD_I2C2_SCL__I2C2_SCL 0x400001fd
160 MX50_PAD_I2C2_SDA__I2C2_SDA 0x400001fd
161 >;
162 };
163
164 pinctrl_i2c3: i2c3 {
165 fsl,pins = <
166 MX50_PAD_I2C3_SCL__I2C3_SCL 0x400001fd
167 MX50_PAD_I2C3_SDA__I2C3_SDA 0x400001fd
168 >;
169 };
170
171 pinctrl_leds: leds {
172 fsl,pins = <
173 MX50_PAD_PWM1__GPIO6_24 0x0
174 >;
175 };
176
177 pinctrl_sd1: sd1 {
178 fsl,pins = <
179 MX50_PAD_SD1_CMD__ESDHC1_CMD 0x1e4
180 MX50_PAD_SD1_CLK__ESDHC1_CLK 0xd4
181 MX50_PAD_SD1_D0__ESDHC1_DAT0 0x1d4
182 MX50_PAD_SD1_D1__ESDHC1_DAT1 0x1d4
183 MX50_PAD_SD1_D2__ESDHC1_DAT2 0x1d4
184 MX50_PAD_SD1_D3__ESDHC1_DAT3 0x1d4
185
186 MX50_PAD_SD2_CD__GPIO5_17 0x0
187 >;
188 };
189
190 pinctrl_sd2: sd2 {
191 fsl,pins = <
192 MX50_PAD_SD2_CMD__ESDHC2_CMD 0x1e4
193 MX50_PAD_SD2_CLK__ESDHC2_CLK 0xd4
194 MX50_PAD_SD2_D0__ESDHC2_DAT0 0x1d4
195 MX50_PAD_SD2_D1__ESDHC2_DAT1 0x1d4
196 MX50_PAD_SD2_D2__ESDHC2_DAT2 0x1d4
197 MX50_PAD_SD2_D3__ESDHC2_DAT3 0x1d4
198 >;
199 };
200
201 pinctrl_sd2_reset: sd2-reset {
202 fsl,pins = <
203 MX50_PAD_ECSPI2_MOSI__GPIO4_17 0x0
204 >;
205 };
206
207 pinctrl_sd2_vmmc: sd2-vmmc {
208 fsl,pins = <
209 MX50_PAD_ECSPI1_SCLK__GPIO4_12 0x0
210 >;
211 };
212
213 pinctrl_sd3: sd3 {
214 fsl,pins = <
215 MX50_PAD_SD3_CMD__ESDHC3_CMD 0x1e4
216 MX50_PAD_SD3_CLK__ESDHC3_CLK 0xd4
217 MX50_PAD_SD3_D0__ESDHC3_DAT0 0x1d4
218 MX50_PAD_SD3_D1__ESDHC3_DAT1 0x1d4
219 MX50_PAD_SD3_D2__ESDHC3_DAT2 0x1d4
220 MX50_PAD_SD3_D3__ESDHC3_DAT3 0x1d4
221 MX50_PAD_SD3_D4__ESDHC3_DAT4 0x1d4
222 MX50_PAD_SD3_D5__ESDHC3_DAT5 0x1d4
223 MX50_PAD_SD3_D6__ESDHC3_DAT6 0x1d4
224 MX50_PAD_SD3_D7__ESDHC3_DAT7 0x1d4
225 >;
226 };
227
228 pinctrl_uart2: uart2 {
229 fsl,pins = <
230 MX50_PAD_UART2_TXD__UART2_TXD_MUX 0x1e4
231 MX50_PAD_UART2_RXD__UART2_RXD_MUX 0x1e4
232 >;
233 };
234
235 pinctrl_usbphy: usbphy {
236 fsl,pins = <
237 MX50_PAD_ECSPI2_SS0__GPIO4_19 0x0
238 >;
239 };
240};
241
242&uart2 {
243 pinctrl-names = "default";
244 pinctrl-0 = <&pinctrl_uart2>;
245 status = "okay";
246};
247
248&usbotg {
249 phy_type = "utmi_wide";
250 dr_mode = "peripheral";
251 status = "okay";
252};
253
254&usbphy0 {
255 pinctrl-names = "default";
256 pinctrl-0 = <&pinctrl_usbphy>;
257 vbus-detect-gpio = <&gpio4 19 GPIO_ACTIVE_LOW>;
258};