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 = <&reg_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		#io-channel-cells = <1>;
119	};
120};
121
122&lradc {
123	vref-supply = <&reg_aldo3>;
124	status = "okay";
125
126	button-158 {
127		label = "Volume Up";
128		linux,code = <KEY_VOLUMEUP>;
129		channel = <0>;
130		voltage = <158730>;
131	};
132
133	button-349 {
134		label = "Volume Down";
135		linux,code = <KEY_VOLUMEDOWN>;
136		channel = <0>;
137		voltage = <349206>;
138	};
139};
140
141&mmc0 {
142	vmmc-supply = <&reg_dcdc1>;
143	bus-width = <4>;
144	cd-gpios = <&pio 0 8 GPIO_ACTIVE_LOW>; /* PA8 */
145	status = "okay";
146};
147
148&pio {
149	mma8452_int_primo81: mma8452-int-pin {
150		pins = "PA9";
151		function = "gpio_in";
152		bias-pull-up;
153	};
154};
155
156&p2wi {
157	status = "okay";
158
159	axp22x: pmic@68 {
160		compatible = "x-powers,axp221";
161		reg = <0x68>;
162		interrupt-parent = <&nmi_intc>;
163		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
164		x-powers,drive-vbus-en;
165	};
166};
167
168#include "axp22x.dtsi"
169
170&battery_power_supply {
171	status = "okay";
172};
173
174&reg_aldo3 {
175	regulator-always-on;
176	regulator-min-microvolt = <2700000>;
177	regulator-max-microvolt = <3300000>;
178	regulator-name = "avcc";
179};
180
181&reg_dc1sw {
182	regulator-name = "vcc-lcd";
183};
184
185&reg_dc5ldo {
186	regulator-min-microvolt = <700000>;
187	regulator-max-microvolt = <1320000>;
188	regulator-name = "vdd-cpus"; /* This is an educated guess */
189};
190
191&reg_dcdc1 {
192	regulator-always-on;
193	regulator-min-microvolt = <3000000>;
194	regulator-max-microvolt = <3000000>;
195	regulator-name = "vcc-3v0";
196};
197
198&reg_dcdc2 {
199	regulator-min-microvolt = <700000>;
200	regulator-max-microvolt = <1320000>;
201	regulator-name = "vdd-gpu";
202};
203
204&reg_dcdc3 {
205	regulator-always-on;
206	regulator-min-microvolt = <700000>;
207	regulator-max-microvolt = <1320000>;
208	regulator-name = "vdd-cpu";
209};
210
211&reg_dcdc4 {
212	regulator-always-on;
213	regulator-min-microvolt = <700000>;
214	regulator-max-microvolt = <1320000>;
215	regulator-name = "vdd-sys-dll";
216};
217
218&reg_dcdc5 {
219	regulator-always-on;
220	regulator-min-microvolt = <1500000>;
221	regulator-max-microvolt = <1500000>;
222	regulator-name = "vcc-dram";
223};
224
225&reg_dldo1 {
226	regulator-min-microvolt = <3300000>;
227	regulator-max-microvolt = <3300000>;
228	regulator-name = "vcc-wifi";
229};
230
231&reg_dldo3 {
232	regulator-min-microvolt = <2800000>;
233	regulator-max-microvolt = <2800000>;
234	regulator-name = "vddio-csi";
235};
236
237&reg_drivevbus {
238	regulator-name = "usb0-vbus";
239	status = "okay";
240};
241
242&reg_eldo3 {
243	regulator-min-microvolt = <1080000>;
244	regulator-max-microvolt = <1320000>;
245	regulator-name = "vdd-mipi-bridge";
246};
247
248&simplefb_lcd {
249	vcc-lcd-supply = <&reg_dc1sw>;
250	vdd-mipi-bridge-supply = <&reg_eldo3>;
251};
252
253&usb_otg {
254	dr_mode = "otg";
255	status = "okay";
256};
257
258&usb_power_supply {
259	status = "okay";
260};
261
262&usbphy {
263	usb0_id_det-gpios = <&pio 0 15 GPIO_ACTIVE_HIGH>; /* PA15 */
264	usb0_vbus_power-supply = <&usb_power_supply>;
265	usb0_vbus-supply = <&reg_drivevbus>;
266	usb1_vbus-supply = <&reg_dldo1>;
267	status = "okay";
268};
269