1/*
2 * Copyright 2015 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 "sun4i-a10.dtsi"
45#include "sunxi-common-regulators.dtsi"
46#include <dt-bindings/gpio/gpio.h>
47#include <dt-bindings/input/input.h>
48#include <dt-bindings/interrupt-controller/irq.h>
49#include <dt-bindings/pinctrl/sun4i-a10.h>
50#include <dt-bindings/pwm/pwm.h>
51
52/ {
53	model = "Point of View Protab2-IPS9";
54	compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
55
56	aliases {
57		serial0 = &uart0;
58	};
59
60	backlight: backlight {
61		compatible = "pwm-backlight";
62		pinctrl-names = "default";
63		pinctrl-0 = <&bl_en_pin_protab>;
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 7 GPIO_ACTIVE_HIGH>; /* PH7 */
68	};
69
70	chosen {
71		stdout-path = "serial0:115200n8";
72	};
73};
74
75&codec {
76	pinctrl-names = "default";
77	pinctrl-0 = <&codec_pa_pin>;
78	allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
79	status = "okay";
80};
81
82&cpu0 {
83	cpu-supply = <&reg_dcdc2>;
84};
85
86&ehci0 {
87	status = "okay";
88};
89
90&i2c0 {
91	pinctrl-names = "default";
92	pinctrl-0 = <&i2c0_pins_a>;
93	status = "okay";
94
95	axp209: pmic@34 {
96		reg = <0x34>;
97		interrupts = <0>;
98	};
99};
100
101#include "axp209.dtsi"
102
103&i2c1 {
104	pinctrl-names = "default";
105	pinctrl-0 = <&i2c1_pins_a>;
106	status = "okay";
107
108	/* Accelerometer */
109	bma250@18 {
110		compatible = "bosch,bma250";
111		reg = <0x18>;
112		interrupt-parent = <&pio>;
113		interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH0 / EINT0 */
114	};
115};
116
117&i2c2 {
118	pinctrl-names = "default";
119	pinctrl-0 = <&i2c2_pins_a>;
120	status = "okay";
121
122	pixcir_ts@5c {
123		pinctrl-names = "default";
124		pinctrl-0 = <&touchscreen_pins>;
125		compatible = "pixcir,pixcir_tangoc";
126		reg = <0x5c>;
127		interrupt-parent = <&pio>;
128		interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
129		attb-gpio = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* PH21 */
130		enable-gpios = <&pio 0 5 GPIO_ACTIVE_LOW>;
131		wake-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>;
132		touchscreen-size-x = <1024>;
133		touchscreen-size-y = <768>;
134		touchscreen-inverted-x;
135		touchscreen-inverted-y;
136	};
137};
138
139&lradc {
140	vref-supply = <&reg_ldo2>;
141	status = "okay";
142
143	button@400 {
144		label = "Volume Up";
145		linux,code = <KEY_VOLUMEUP>;
146		channel = <0>;
147		voltage = <400000>;
148	};
149
150	button@800 {
151		label = "Volume Down";
152		linux,code = <KEY_VOLUMEDOWN>;
153		channel = <0>;
154		voltage = <800000>;
155	};
156};
157
158&mmc0 {
159	pinctrl-names = "default";
160	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
161	vmmc-supply = <&reg_vcc3v3>;
162	bus-width = <4>;
163	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
164	cd-inverted;
165	status = "okay";
166};
167
168&otg_sram {
169	status = "okay";
170};
171
172&pio {
173	bl_en_pin_protab: bl_en_pin@0 {
174		allwinner,pins = "PH7";
175		allwinner,function = "gpio_out";
176		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
177		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
178	};
179
180	codec_pa_pin: codec_pa_pin@0 {
181		allwinner,pins = "PH15";
182		allwinner,function = "gpio_out";
183		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
184		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
185	};
186
187	touchscreen_pins: touchscreen_pins@0 {
188		allwinner,pins = "PA5", "PB13";
189		allwinner,function = "gpio_out";
190		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
191		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
192	};
193
194	usb0_id_detect_pin: usb0_id_detect_pin@0 {
195		allwinner,pins = "PH4";
196		allwinner,function = "gpio_in";
197		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
198		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
199	};
200
201	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
202		allwinner,pins = "PH5";
203		allwinner,function = "gpio_in";
204		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
205		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
206	};
207};
208
209&pwm {
210	pinctrl-names = "default";
211	pinctrl-0 = <&pwm0_pins_a>;
212	status = "okay";
213};
214
215&reg_dcdc2 {
216	regulator-always-on;
217	regulator-min-microvolt = <1000000>;
218	regulator-max-microvolt = <1400000>;
219	regulator-name = "vdd-cpu";
220};
221
222&reg_dcdc3 {
223	regulator-always-on;
224	regulator-min-microvolt = <1250000>;
225	regulator-max-microvolt = <1250000>;
226	regulator-name = "vdd-int-dll";
227};
228
229&reg_ldo1 {
230	regulator-name = "vdd-rtc";
231};
232
233&reg_ldo2 {
234	regulator-always-on;
235	regulator-min-microvolt = <3000000>;
236	regulator-max-microvolt = <3000000>;
237	regulator-name = "avcc";
238};
239
240&reg_ldo3 {
241	/*
242	 * We need to always power the camera sensor, otherwhise all access
243	 * to i2c1 is blocked.
244	 */
245	regulator-always-on;
246	regulator-min-microvolt = <2800000>;
247	regulator-max-microvolt = <2800000>;
248	regulator-name = "vdd-csi";
249};
250
251&reg_usb0_vbus {
252	status = "okay";
253};
254
255&reg_usb1_vbus {
256	status = "okay";
257};
258
259&uart0 {
260	pinctrl-names = "default";
261	pinctrl-0 = <&uart0_pins_a>;
262	status = "okay";
263};
264
265&usb_otg {
266	dr_mode = "otg";
267	status = "okay";
268};
269
270&usbphy {
271	pinctrl-names = "default";
272	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
273	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
274	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
275	usb0_vbus-supply = <&reg_usb0_vbus>;
276	usb1_vbus-supply = <&reg_usb1_vbus>;
277	status = "okay";
278};
279