1/*
2 * Copyright 2016 Hans de Goede <hdegoede@redhat.com>
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 *  a) This file is free software; you can redistribute it and/or
10 *     modify it under the terms of the GNU General Public License as
11 *     published by the Free Software Foundation; either version 2 of the
12 *     License, or (at your option) any later version.
13 *
14 *     This file is distributed in the hope that it will be useful,
15 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *     GNU General Public License for more details.
18 *
19 * Or, alternatively,
20 *
21 *  b) Permission is hereby granted, free of charge, to any person
22 *     obtaining a copy of this software and associated documentation
23 *     files (the "Software"), to deal in the Software without
24 *     restriction, including without limitation the rights to use,
25 *     copy, modify, merge, publish, distribute, sublicense, and/or
26 *     sell copies of the Software, and to permit persons to whom the
27 *     Software is furnished to do so, subject to the following
28 *     conditions:
29 *
30 *     The above copyright notice and this permission notice shall be
31 *     included in all copies or substantial portions of the Software.
32 *
33 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 *     OTHER DEALINGS IN THE SOFTWARE.
41 */
42
43/dts-v1/;
44#include "sun8i-a23.dtsi"
45#include "sunxi-common-regulators.dtsi"
46
47#include <dt-bindings/gpio/gpio.h>
48#include <dt-bindings/input/input.h>
49#include <dt-bindings/pinctrl/sun4i-a10.h>
50#include <dt-bindings/pwm/pwm.h>
51
52/ {
53	model = "INet-86DZ Rev 01";
54	compatible = "primux,inet86dz", "allwinner,sun8i-a23";
55
56	aliases {
57		serial0 = &r_uart;
58	};
59
60	backlight: backlight {
61		compatible = "pwm-backlight";
62		pinctrl-names = "default";
63		pinctrl-0 = <&bl_en_pin_inet86dz>;
64		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
65		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
66		default-brightness-level = <8>;
67		enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
68	};
69
70	chosen {
71		stdout-path = "serial0:115200n8";
72	};
73};
74
75&ehci0 {
76	status = "okay";
77};
78
79&i2c0 {
80	pinctrl-names = "default";
81	pinctrl-0 = <&i2c0_pins_a>;
82	status = "okay";
83	/*
84	 * The gsl1680 is rated at 400KHz and it will not work reliable at
85	 * 100KHz, this has been confirmed on multiple different tablets.
86	 * The gsl1680 is the only device on this bus.
87	 */
88	clock-frequency = <400000>;
89
90	gsl1680: touchscreen@40 {
91		compatible = "silead,gsl1680";
92		reg = <0x40>;
93		interrupt-parent = <&pio>;
94		interrupts = <1 5 IRQ_TYPE_EDGE_FALLING>; /* PB5 */
95		pinctrl-names = "default";
96		pinctrl-0 = <&ts_power_pin_inet86dz>;
97		power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
98		touchscreen-size-x = <960>;
99		touchscreen-size-y = <640>;
100		touchscreen-max-fingers = <5>;
101		touchscreen-fw-name = "silead/gsl1680-inet86dz.fw";
102	};
103};
104
105&i2c1 {
106	pinctrl-names = "default";
107	pinctrl-0 = <&i2c1_pins_a>;
108	status = "okay";
109};
110
111&lradc {
112	vref-supply = <&reg_vcc3v0>;
113	status = "okay";
114
115	button@200 {
116		label = "Volume Up";
117		linux,code = <KEY_VOLUMEUP>;
118		channel = <0>;
119		voltage = <200000>;
120	};
121
122	button@400 {
123		label = "Volume Down";
124		linux,code = <KEY_VOLUMEDOWN>;
125		channel = <0>;
126		voltage = <400000>;
127	};
128};
129
130&mmc0 {
131	pinctrl-names = "default";
132	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_inet86dz>;
133	vmmc-supply = <&reg_dcdc1>;
134	bus-width = <4>;
135	cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
136	cd-inverted;
137	status = "okay";
138};
139
140&pio {
141	bl_en_pin_inet86dz: bl_en_pin@0 {
142		allwinner,pins = "PH6";
143		allwinner,function = "gpio_in";
144		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
145		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
146	};
147
148	mmc0_cd_pin_inet86dz: mmc0_cd_pin@0 {
149		allwinner,pins = "PB4";
150		allwinner,function = "gpio_in";
151		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
152		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
153	};
154
155	ts_power_pin_inet86dz: ts_power_pin@0 {
156		allwinner,pins = "PH1";
157		allwinner,function = "gpio_out";
158		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
159		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
160	};
161
162	usb0_id_detect_pin: usb0_id_detect_pin@0 {
163		allwinner,pins = "PH8";
164		allwinner,function = "gpio_in";
165		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
166		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
167	};
168};
169
170&pwm {
171	pinctrl-names = "default";
172	pinctrl-0 = <&pwm0_pins>;
173	status = "okay";
174};
175
176&r_rsb {
177	status = "okay";
178
179	axp22x: pmic@3a3 {
180		compatible = "x-powers,axp223";
181		reg = <0x3a3>;
182		interrupt-parent = <&nmi_intc>;
183		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
184		eldoin-supply = <&reg_dcdc1>;
185		x-powers,drive-vbus-en;
186	};
187};
188
189&r_uart {
190	pinctrl-names = "default";
191	pinctrl-0 = <&r_uart_pins_a>;
192	status = "okay";
193};
194
195#include "axp22x.dtsi"
196
197&reg_aldo1 {
198	regulator-always-on;
199	regulator-min-microvolt = <3000000>;
200	regulator-max-microvolt = <3000000>;
201	regulator-name = "vcc-io";
202};
203
204&reg_aldo2 {
205	regulator-always-on;
206	regulator-min-microvolt = <2350000>;
207	regulator-max-microvolt = <2650000>;
208	regulator-name = "vdd-dll";
209};
210
211&reg_aldo3 {
212	regulator-always-on;
213	regulator-min-microvolt = <2700000>;
214	regulator-max-microvolt = <3300000>;
215	regulator-name = "vcc-pll-avcc";
216};
217
218&reg_dc1sw {
219	regulator-name = "vcc-lcd";
220};
221
222&reg_dc5ldo {
223	regulator-always-on;
224	regulator-min-microvolt = <900000>;
225	regulator-max-microvolt = <1400000>;
226	regulator-name = "vdd-cpus";
227};
228
229&reg_dcdc1 {
230	regulator-always-on;
231	regulator-min-microvolt = <3000000>;
232	regulator-max-microvolt = <3000000>;
233	regulator-name = "vcc-3v0";
234};
235
236&reg_dcdc2 {
237	regulator-always-on;
238	regulator-min-microvolt = <900000>;
239	regulator-max-microvolt = <1400000>;
240	regulator-name = "vdd-sys";
241};
242
243&reg_dcdc3 {
244	regulator-always-on;
245	regulator-min-microvolt = <900000>;
246	regulator-max-microvolt = <1400000>;
247	regulator-name = "vdd-cpu";
248};
249
250&reg_dcdc5 {
251	regulator-always-on;
252	regulator-min-microvolt = <1500000>;
253	regulator-max-microvolt = <1500000>;
254	regulator-name = "vcc-dram";
255};
256
257&reg_dldo1 {
258	regulator-min-microvolt = <3300000>;
259	regulator-max-microvolt = <3300000>;
260	regulator-name = "vcc-wifi";
261};
262
263&reg_drivevbus {
264	regulator-name = "usb0-vbus";
265	status = "okay";
266};
267
268&reg_rtc_ldo {
269	regulator-name = "vcc-rtc";
270};
271
272&simplefb_lcd {
273	vcc-lcd-supply = <&reg_dc1sw>;
274};
275
276&usb_otg {
277	dr_mode = "otg";
278	status = "okay";
279};
280
281&usb_power_supply {
282	status = "okay";
283};
284
285&usbphy {
286	pinctrl-names = "default";
287	pinctrl-0 = <&usb0_id_detect_pin>;
288	usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
289	usb0_vbus_power-supply = <&usb_power_supply>;
290	usb0_vbus-supply = <&reg_drivevbus>;
291	usb1_vbus-supply = <&reg_dldo1>;
292	status = "okay";
293};
294