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		led-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		key-power {
42			label = "Power Button";
43			gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
44			linux,code = <KEY_POWER>;
45		};
46
47		event-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		event-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-gpios = <&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};
288