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/pwm/pwm.h>
50
51 / {
52 model = "Point of View Protab2-IPS9";
53 compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
54
55 aliases {
56 serial0 = &uart0;
57 };
58
59 backlight: backlight {
60 compatible = "pwm-backlight";
61 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
62 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
63 default-brightness-level = <8>;
64 enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
65 power-supply = <®_vcc3v3>;
66 };
67
68 chosen {
69 stdout-path = "serial0:115200n8";
70 };
71 };
72
73 &codec {
74 allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
75 status = "okay";
76 };
77
78 &cpu0 {
79 cpu-supply = <®_dcdc2>;
80 };
81
82 &ehci0 {
83 status = "okay";
84 };
85
86 &i2c0 {
87 status = "okay";
88
89 axp209: pmic@34 {
90 reg = <0x34>;
91 interrupts = <0>;
92 };
93 };
94
95 #include "axp209.dtsi"
96
97 &i2c1 {
98 /* pull-ups and devices require AXP209 LDO3 */
99 status = "failed";
100 };
101
102 &i2c2 {
103 status = "okay";
104
105 touchscreen@5c {
106 compatible = "pixcir,pixcir_tangoc";
107 reg = <0x5c>;
108 interrupt-parent = <&pio>;
109 interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */
110 attb-gpio = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* PH21 */
111 enable-gpios = <&pio 0 5 GPIO_ACTIVE_LOW>;
112 wake-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>;
113 touchscreen-size-x = <1024>;
114 touchscreen-size-y = <768>;
115 touchscreen-inverted-x;
116 touchscreen-inverted-y;
117 };
118 };
119
120 &lradc {
121 vref-supply = <®_ldo2>;
122 status = "okay";
123
124 button-400 {
125 label = "Volume Up";
126 linux,code = <KEY_VOLUMEUP>;
127 channel = <0>;
128 voltage = <400000>;
129 };
130
131 button-800 {
132 label = "Volume Down";
133 linux,code = <KEY_VOLUMEDOWN>;
134 channel = <0>;
135 voltage = <800000>;
136 };
137 };
138
139 &mmc0 {
140 vmmc-supply = <®_vcc3v3>;
141 bus-width = <4>;
142 cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
143 status = "okay";
144 };
145
146 &otg_sram {
147 status = "okay";
148 };
149
150 &pwm {
151 pinctrl-names = "default";
152 pinctrl-0 = <&pwm0_pin>;
153 status = "okay";
154 };
155
156 ®_dcdc2 {
157 regulator-always-on;
158 regulator-min-microvolt = <1000000>;
159 regulator-max-microvolt = <1400000>;
160 regulator-name = "vdd-cpu";
161 };
162
163 ®_dcdc3 {
164 regulator-always-on;
165 regulator-min-microvolt = <1250000>;
166 regulator-max-microvolt = <1250000>;
167 regulator-name = "vdd-int-dll";
168 };
169
170 ®_ldo1 {
171 regulator-name = "vdd-rtc";
172 };
173
174 ®_ldo2 {
175 regulator-always-on;
176 regulator-min-microvolt = <3000000>;
177 regulator-max-microvolt = <3000000>;
178 regulator-name = "avcc";
179 };
180
181 ®_usb0_vbus {
182 status = "okay";
183 };
184
185 ®_usb1_vbus {
186 status = "okay";
187 };
188
189 &uart0 {
190 pinctrl-names = "default";
191 pinctrl-0 = <&uart0_pb_pins>;
192 status = "okay";
193 };
194
195 &usb_otg {
196 dr_mode = "otg";
197 status = "okay";
198 };
199
200 &usbphy {
201 usb0_id_det-gpios = <&pio 7 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PH4 */
202 usb0_vbus_det-gpios = <&pio 7 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>; /* PH5 */
203 usb0_vbus-supply = <®_usb0_vbus>;
204 usb1_vbus-supply = <®_usb1_vbus>;
205 status = "okay";
206 };
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