1 /*
2 * Copyright 2014 Siarhei Siamashka <siarhei.siamashka@gmail.com>
3 * Copyright 2015 Karsten Merker <merker@debian.org>
4 * Copyright 2015 Chen-Yu Tsai <wens@csie.org>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 * a) This file is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of the
14 * License, or (at your option) any later version.
15 *
16 * This file is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 * b) Permission is hereby granted, free of charge, to any person
24 * obtaining a copy of this software and associated documentation
25 * files (the "Software"), to deal in the Software without
26 * restriction, including without limitation the rights to use,
27 * copy, modify, merge, publish, distribute, sublicense, and/or
28 * sell copies of the Software, and to permit persons to whom the
29 * Software is furnished to do so, subject to the following
30 * conditions:
31 *
32 * The above copyright notice and this permission notice shall be
33 * included in all copies or substantial portions of the Software.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 * OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45 /dts-v1/;
46 #include "sun6i-a31s.dtsi"
47 #include "sunxi-common-regulators.dtsi"
48
49 #include <dt-bindings/gpio/gpio.h>
50 #include <dt-bindings/input/input.h>
51
52 / {
53 model = "MSI Primo81 tablet";
54 compatible = "msi,primo81", "allwinner,sun6i-a31s";
55
56 hdmi-connector {
57 compatible = "hdmi-connector";
58 type = "c";
59
60 port {
61 hdmi_con_in: endpoint {
62 remote-endpoint = <&hdmi_out_con>;
63 };
64 };
65 };
66 };
67
68 &cpu0 {
69 cpu-supply = <®_dcdc3>;
70 };
71
72 &de {
73 status = "okay";
74 };
75
76 &ehci0 {
77 /* rtl8188etv wifi is connected here */
78 status = "okay";
79 };
80
81 &hdmi {
82 status = "okay";
83 };
84
85 &hdmi_out {
86 hdmi_out_con: endpoint {
87 remote-endpoint = <&hdmi_con_in>;
88 };
89 };
90
91 &i2c0 {
92 /* pull-ups and device VDDIO use AXP221 DLDO3 */
93 status = "failed";
94 };
95
96 &i2c1 {
97 status = "okay";
98
99 ctp@5d {
100 compatible = "goodix,gt911";
101 reg = <0x5d>;
102 interrupt-parent = <&pio>;
103 interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
104 touchscreen-swapped-x-y;
105 };
106 };
107
108 &i2c2 {
109 status = "okay";
110
111 accelerometer@1c {
112 pinctrl-names = "default";
113 pinctrl-0 = <&mma8452_int_primo81>;
114 compatible = "fsl,mma8452";
115 reg = <0x1c>;
116 interrupt-parent = <&pio>;
117 interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; /* PA9 */
118 };
119 };
120
121 &lradc {
122 vref-supply = <®_aldo3>;
123 status = "okay";
124
125 button-158 {
126 label = "Volume Up";
127 linux,code = <KEY_VOLUMEUP>;
128 channel = <0>;
129 voltage = <158730>;
130 };
131
132 button-349 {
133 label = "Volume Down";
134 linux,code = <KEY_VOLUMEDOWN>;
135 channel = <0>;
136 voltage = <349206>;
137 };
138 };
139
140 &mmc0 {
141 vmmc-supply = <®_dcdc1>;
142 bus-width = <4>;
143 cd-gpios = <&pio 0 8 GPIO_ACTIVE_LOW>; /* PA8 */
144 status = "okay";
145 };
146
147 &pio {
148 mma8452_int_primo81: mma8452-int-pin {
149 pins = "PA9";
150 function = "gpio_in";
151 bias-pull-up;
152 };
153 };
154
155 &p2wi {
156 status = "okay";
157
158 axp22x: pmic@68 {
159 compatible = "x-powers,axp221";
160 reg = <0x68>;
161 interrupt-parent = <&r_intc>;
162 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
163 x-powers,drive-vbus-en;
164 };
165 };
166
167 #include "axp22x.dtsi"
168
169 &battery_power_supply {
170 status = "okay";
171 };
172
173 ®_aldo3 {
174 regulator-always-on;
175 regulator-min-microvolt = <2700000>;
176 regulator-max-microvolt = <3300000>;
177 regulator-name = "avcc";
178 };
179
180 ®_dc1sw {
181 regulator-name = "vcc-lcd";
182 };
183
184 ®_dc5ldo {
185 regulator-min-microvolt = <700000>;
186 regulator-max-microvolt = <1320000>;
187 regulator-name = "vdd-cpus"; /* This is an educated guess */
188 };
189
190 ®_dcdc1 {
191 regulator-always-on;
192 regulator-min-microvolt = <3000000>;
193 regulator-max-microvolt = <3000000>;
194 regulator-name = "vcc-3v0";
195 };
196
197 ®_dcdc2 {
198 regulator-min-microvolt = <700000>;
199 regulator-max-microvolt = <1320000>;
200 regulator-name = "vdd-gpu";
201 };
202
203 ®_dcdc3 {
204 regulator-always-on;
205 regulator-min-microvolt = <700000>;
206 regulator-max-microvolt = <1320000>;
207 regulator-name = "vdd-cpu";
208 };
209
210 ®_dcdc4 {
211 regulator-always-on;
212 regulator-min-microvolt = <700000>;
213 regulator-max-microvolt = <1320000>;
214 regulator-name = "vdd-sys-dll";
215 };
216
217 ®_dcdc5 {
218 regulator-always-on;
219 regulator-min-microvolt = <1500000>;
220 regulator-max-microvolt = <1500000>;
221 regulator-name = "vcc-dram";
222 };
223
224 ®_dldo1 {
225 regulator-min-microvolt = <3300000>;
226 regulator-max-microvolt = <3300000>;
227 regulator-name = "vcc-wifi";
228 };
229
230 ®_dldo3 {
231 regulator-min-microvolt = <2800000>;
232 regulator-max-microvolt = <2800000>;
233 regulator-name = "vddio-csi";
234 };
235
236 ®_drivevbus {
237 regulator-name = "usb0-vbus";
238 status = "okay";
239 };
240
241 ®_eldo3 {
242 regulator-min-microvolt = <1080000>;
243 regulator-max-microvolt = <1320000>;
244 regulator-name = "vdd-mipi-bridge";
245 };
246
247 &simplefb_lcd {
248 vcc-lcd-supply = <®_dc1sw>;
249 vdd-mipi-bridge-supply = <®_eldo3>;
250 };
251
252 &usb_otg {
253 dr_mode = "otg";
254 status = "okay";
255 };
256
257 &usb_power_supply {
258 status = "okay";
259 };
260
261 &usbphy {
262 usb0_id_det-gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
263 usb0_vbus_power-supply = <&usb_power_supply>;
264 usb0_vbus-supply = <®_drivevbus>;
265 usb1_vbus-supply = <®_dldo1>;
266 status = "okay";
267 };
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