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Hans de Goededd9d0132015-09-05 10:50:56 +02001/*
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>
Hans de Goede80e5f832016-03-14 17:37:09 +010050#include <dt-bindings/pwm/pwm.h>
Hans de Goededd9d0132015-09-05 10:50:56 +020051
52/ {
53 model = "Point of View Protab2-IPS9";
54 compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
55
56 aliases {
57 serial0 = &uart0;
58 };
59
Hans de Goede80e5f832016-03-14 17:37:09 +010060 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
Hans de Goededd9d0132015-09-05 10:50:56 +020070 chosen {
71 stdout-path = "serial0:115200n8";
72 };
73};
74
Hans de Goede80e5f832016-03-14 17:37:09 +010075&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
Hans de Goededd9d0132015-09-05 10:50:56 +020082&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";
Hans de Goede80e5f832016-03-14 17:37:09 +0100107
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 };
Hans de Goededd9d0132015-09-05 10:50:56 +0200115};
116
117&i2c2 {
118 pinctrl-names = "default";
119 pinctrl-0 = <&i2c2_pins_a>;
120 status = "okay";
Hans de Goede80e5f832016-03-14 17:37:09 +0100121
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 };
Hans de Goededd9d0132015-09-05 10:50:56 +0200137};
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 {
Hans de Goede80e5f832016-03-14 17:37:09 +0100173 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
Hans de Goededd9d0132015-09-05 10:50:56 +0200194 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
Hans de Goede80e5f832016-03-14 17:37:09 +0100209&pwm {
210 pinctrl-names = "default";
211 pinctrl-0 = <&pwm0_pins_a>;
212 status = "okay";
213};
214
Hans de Goededd9d0132015-09-05 10:50:56 +0200215&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};