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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
57&cpu0 {
58	cpu-supply = <&reg_dcdc3>;
59};
60
61&ehci0 {
62	/* rtl8188etv wifi is connected here */
63	status = "okay";
64};
65
66&i2c0 {
67	/* pull-ups and device VDDIO use AXP221 DLDO3 */
68	pinctrl-names = "default";
69	pinctrl-0 = <&i2c0_pins_a>;
70	status = "failed";
71};
72
73&i2c1 {
74	pinctrl-names = "default";
75	pinctrl-0 = <&i2c1_pins_a>;
76	status = "okay";
77
78	ctp@5d {
79		pinctrl-names = "default";
80		pinctrl-0 = <&gt911_int_primo81>;
81		compatible = "goodix,gt911";
82		reg = <0x5d>;
83		interrupt-parent = <&pio>;
84		interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */
85		touchscreen-swapped-x-y;
86	};
87};
88
89&i2c2 {
90	pinctrl-names = "default";
91	pinctrl-0 = <&i2c2_pins_a>;
92	status = "okay";
93
94	accelerometer@1c {
95		pinctrl-names = "default";
96		pinctrl-0 = <&mma8452_int_primo81>;
97		compatible = "fsl,mma8452";
98		reg = <0x1c>;
99		interrupt-parent = <&pio>;
100		interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; /* PA9 */
101		#io-channel-cells = <1>;
102	};
103};
104
105&lradc {
106	vref-supply = <&reg_aldo3>;
107	status = "okay";
108
109	button@158 {
110		label = "Volume Up";
111		linux,code = <KEY_VOLUMEUP>;
112		channel = <0>;
113		voltage = <158730>;
114	};
115
116	button@349 {
117		label = "Volume Down";
118		linux,code = <KEY_VOLUMEDOWN>;
119		channel = <0>;
120		voltage = <349206>;
121	};
122};
123
124&mmc0 {
125	pinctrl-names = "default";
126	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_primo81>;
127	vmmc-supply = <&reg_dcdc1>;
128	bus-width = <4>;
129	cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
130	cd-inverted;
131	status = "okay";
132};
133
134&pio {
135	gt911_int_primo81: gt911_int_pin@0 {
136		pins = "PA3";
137		function = "gpio_in";
138	};
139
140	mma8452_int_primo81: mma8452_int_pin@0 {
141		pins = "PA9";
142		function = "gpio_in";
143		bias-pull-up;
144	};
145
146	mmc0_cd_pin_primo81: mmc0_cd_pin@0 {
147		pins = "PA8";
148		function = "gpio_in";
149		bias-pull-up;
150	};
151};
152
153&p2wi {
154	status = "okay";
155
156	axp22x: pmic@68 {
157		compatible = "x-powers,axp221";
158		reg = <0x68>;
159		interrupt-parent = <&nmi_intc>;
160		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
161		x-powers,drive-vbus-en;
162	};
163};
164
165#include "axp22x.dtsi"
166
167&battery_power_supply {
168	status = "okay";
169};
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 {
179	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_drivevbus {
235	regulator-name = "usb0-vbus";
236	status = "okay";
237};
238
239&reg_eldo3 {
240	regulator-min-microvolt = <1080000>;
241	regulator-max-microvolt = <1320000>;
242	regulator-name = "vdd-mipi-bridge";
243};
244
245&simplefb_lcd {
246	vcc-lcd-supply = <&reg_dc1sw>;
247	vdd-mipi-bridge-supply = <&reg_eldo3>;
248};
249
250&usb_otg {
251	dr_mode = "otg";
252	status = "okay";
253};
254
255&usb_power_supply {
256	status = "okay";
257};
258
259&usbphy {
260	usb0_id_det-gpio = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
261	usb0_vbus_power-supply = <&usb_power_supply>;
262	usb0_vbus-supply = <&reg_drivevbus>;
263	usb1_vbus-supply = <&reg_dldo1>;
264	status = "okay";
265};
266