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Hans de Goedeaf79c4f2015-04-23 17:04:19 +02001/*
Hans de Goede80e5f832016-03-14 17:37:09 +01002 * 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>
Hans de Goedeaf79c4f2015-04-23 17:04:19 +02005 *
Hans de Goede80e5f832016-03-14 17:37:09 +01006 * 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.
Hans de Goedeaf79c4f2015-04-23 17:04:19 +020010 *
Hans de Goede80e5f832016-03-14 17:37:09 +010011 * 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.
Hans de Goedeaf79c4f2015-04-23 17:04:19 +020043 */
44
45/dts-v1/;
46#include "sun6i-a31s.dtsi"
Hans de Goede80e5f832016-03-14 17:37:09 +010047#include "sunxi-common-regulators.dtsi"
48
49#include <dt-bindings/gpio/gpio.h>
50#include <dt-bindings/input/input.h>
51#include <dt-bindings/pinctrl/sun4i-a10.h>
Hans de Goedeaf79c4f2015-04-23 17:04:19 +020052
53/ {
Hans de Goede80e5f832016-03-14 17:37:09 +010054 model = "MSI Primo81 tablet";
Hans de Goedeaf79c4f2015-04-23 17:04:19 +020055 compatible = "msi,primo81", "allwinner,sun6i-a31s";
Hans de Goedeaf79c4f2015-04-23 17:04:19 +020056};
57
Hans de Goede80e5f832016-03-14 17:37:09 +010058&cpu0 {
59 cpu-supply = <&reg_dcdc3>;
60};
61
62&ehci0 {
63 /* rtl8188etv wifi is connected here */
64 status = "okay";
65};
66
67&i2c0 {
68 /* pull-ups and device VDDIO use AXP221 DLDO3 */
Hans de Goedeaf79c4f2015-04-23 17:04:19 +020069 pinctrl-names = "default";
Hans de Goede80e5f832016-03-14 17:37:09 +010070 pinctrl-0 = <&i2c0_pins_a>;
71 status = "failed";
72};
73
74&i2c1 {
75 pinctrl-names = "default";
76 pinctrl-0 = <&i2c1_pins_a>;
77 status = "okay";
78
79 ctp@5d {
80 pinctrl-names = "default";
81 pinctrl-0 = <&gt911_int_primo81>;
82 compatible = "goodix,gt911";
83 reg = <0x5d>;
84 interrupt-parent = <&pio>;
85 interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
86 touchscreen-swapped-x-y;
87 };
88};
89
90&i2c2 {
91 pinctrl-names = "default";
92 pinctrl-0 = <&i2c2_pins_a>;
93 status = "okay";
94
95 accelerometer@1c {
96 pinctrl-names = "default";
97 pinctrl-0 = <&mma8452_int_primo81>;
98 compatible = "fsl,mma8452";
99 reg = <0x1c>;
100 interrupt-parent = <&pio>;
101 interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; /* PA9 */
102 #io-channel-cells = <1>;
103 };
104};
105
106&lradc {
107 vref-supply = <&reg_aldo3>;
108 status = "okay";
109
110 button@158 {
111 label = "Volume Up";
112 linux,code = <KEY_VOLUMEUP>;
113 channel = <0>;
114 voltage = <158730>;
115 };
116
117 button@349 {
118 label = "Volume Down";
119 linux,code = <KEY_VOLUMEDOWN>;
120 channel = <0>;
121 voltage = <349206>;
122 };
123};
124
125&mmc0 {
126 pinctrl-names = "default";
127 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_primo81>;
128 vmmc-supply = <&reg_dcdc1>;
129 bus-width = <4>;
130 cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
131 cd-inverted;
132 status = "okay";
133};
134
135&pio {
136 gt911_int_primo81: gt911_int_pin@0 {
137 allwinner,pins = "PA3";
138 allwinner,function = "gpio_in";
139 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
140 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
141 };
142
143 mma8452_int_primo81: mma8452_int_pin@0 {
144 allwinner,pins = "PA9";
145 allwinner,function = "gpio_in";
146 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
147 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
148 };
149
150 mmc0_cd_pin_primo81: mmc0_cd_pin@0 {
151 allwinner,pins = "PA8";
152 allwinner,function = "gpio_in";
153 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
154 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
155 };
156};
157
158&p2wi {
159 status = "okay";
160
161 axp22x: pmic@68 {
162 compatible = "x-powers,axp221";
163 reg = <0x68>;
164 interrupt-parent = <&nmi_intc>;
165 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
166 };
167};
168
169#include "axp22x.dtsi"
170
171&reg_aldo3 {
172 regulator-always-on;
173 regulator-min-microvolt = <2700000>;
174 regulator-max-microvolt = <3300000>;
175 regulator-name = "avcc";
176};
177
178&reg_dc1sw {
Hans de Goede80e5f832016-03-14 17:37:09 +0100179 regulator-name = "vcc-lcd";
180};
181
182&reg_dc5ldo {
183 regulator-min-microvolt = <700000>;
184 regulator-max-microvolt = <1320000>;
185 regulator-name = "vdd-cpus"; /* This is an educated guess */
186};
187
188&reg_dcdc1 {
189 regulator-always-on;
190 regulator-min-microvolt = <3000000>;
191 regulator-max-microvolt = <3000000>;
192 regulator-name = "vcc-3v0";
193};
194
195&reg_dcdc2 {
196 regulator-min-microvolt = <700000>;
197 regulator-max-microvolt = <1320000>;
198 regulator-name = "vdd-gpu";
199};
200
201&reg_dcdc3 {
202 regulator-always-on;
203 regulator-min-microvolt = <700000>;
204 regulator-max-microvolt = <1320000>;
205 regulator-name = "vdd-cpu";
206};
207
208&reg_dcdc4 {
209 regulator-always-on;
210 regulator-min-microvolt = <700000>;
211 regulator-max-microvolt = <1320000>;
212 regulator-name = "vdd-sys-dll";
213};
214
215&reg_dcdc5 {
216 regulator-always-on;
217 regulator-min-microvolt = <1500000>;
218 regulator-max-microvolt = <1500000>;
219 regulator-name = "vcc-dram";
220};
221
222&reg_dldo1 {
223 regulator-min-microvolt = <3300000>;
224 regulator-max-microvolt = <3300000>;
225 regulator-name = "vcc-wifi";
226};
227
228&reg_dldo3 {
229 regulator-min-microvolt = <2800000>;
230 regulator-max-microvolt = <2800000>;
231 regulator-name = "vddio-csi";
232};
233
234&reg_eldo3 {
235 regulator-min-microvolt = <1080000>;
236 regulator-max-microvolt = <1320000>;
237 regulator-name = "vdd-mipi-bridge";
238};
239
240&simplefb_lcd {
241 vcc-lcd-supply = <&reg_dc1sw>;
242 vdd-mipi-bridge-supply = <&reg_eldo3>;
243};
244
245&usb_otg {
246 /* otg support requires support for AXP221 usb-power-supply and GPIO */
247 dr_mode = "host";
248 status = "okay";
249};
250
251&usbphy {
252 usb1_vbus-supply = <&reg_dldo1>;
Hans de Goedeaf79c4f2015-04-23 17:04:19 +0200253 status = "okay";
254};