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1/*
2 * Copyright 2015 Lawrence Yu <lyu@micile.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 "sun6i-a31s.dtsi"
45#include "sunxi-common-regulators.dtsi"
46
47#include <dt-bindings/gpio/gpio.h>
48
49/ {
50	model = "Yones TopTech BS1078 v2 Tablet";
51	compatible = "yones-toptech,bs1078-v2", "allwinner,sun6i-a31s";
52
53	aliases {
54		serial0 = &uart0;
55		i2c1 = &i2c1;
56		i2c2 = &i2c2;
57	};
58
59	chosen {
60		stdout-path = "serial0:115200n8";
61	};
62};
63
64&i2c1 {
65	pinctrl-names = "default";
66	pinctrl-0 = <&i2c1_pins_a>;
67	status = "okay";
68};
69
70&i2c2 {
71	pinctrl-names = "default";
72	pinctrl-0 = <&i2c2_pins_a>;
73	status = "okay";
74};
75
76&ehci0 {
77	status = "okay";
78};
79
80&ehci1 {
81	status = "okay";
82};
83
84&ohci0 {
85	status = "okay";
86};
87
88&ohci1 {
89	status = "okay";
90};
91
92&pio {
93	mmc0_cd_pin_bs1078v2: mmc0_cd_pin@0 {
94		pins = "PA8";
95		function = "gpio_in";
96		bias-pull-up;
97	};
98};
99
100&mmc0 {
101	pinctrl-names = "default";
102	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_bs1078v2>;
103	vmmc-supply = <&reg_vcc3v0>;
104	bus-width = <4>;
105	cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
106	cd-inverted;
107	status = "okay";
108};
109
110&mmc0_pins_a {
111	bias-pull-up;
112};
113
114&p2wi {
115	status = "okay";
116
117	axp22x: pmic@68 {
118		compatible = "x-powers,axp221";
119		reg = <0x68>;
120		interrupt-parent = <&nmi_intc>;
121		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
122	};
123};
124
125#include "axp22x.dtsi"
126
127&reg_aldo3 {
128	regulator-always-on;
129	regulator-min-microvolt = <2700000>;
130	regulator-max-microvolt = <3300000>;
131	regulator-name = "avcc";
132};
133
134&reg_dc1sw {
135	regulator-name = "vcc-lcd-usb2";
136};
137
138&reg_dc5ldo {
139	regulator-min-microvolt = <700000>;
140	regulator-max-microvolt = <1320000>;
141	regulator-name = "vdd-cpus";
142};
143
144&reg_dcdc1 {
145	regulator-always-on;
146	regulator-min-microvolt = <3000000>;
147	regulator-max-microvolt = <3000000>;
148	regulator-name = "vcc-3v0";
149};
150
151&reg_dcdc2 {
152	regulator-min-microvolt = <700000>;
153	regulator-max-microvolt = <1320000>;
154	regulator-name = "vdd-gpu";
155};
156
157&reg_dcdc3 {
158	regulator-always-on;
159	regulator-min-microvolt = <700000>;
160	regulator-max-microvolt = <1320000>;
161	regulator-name = "vdd-cpu";
162};
163
164&reg_dcdc4 {
165	regulator-always-on;
166	regulator-min-microvolt = <700000>;
167	regulator-max-microvolt = <1320000>;
168	regulator-name = "vdd-sys-dll";
169};
170
171&reg_dcdc5 {
172	regulator-always-on;
173	regulator-min-microvolt = <1500000>;
174	regulator-max-microvolt = <1500000>;
175	regulator-name = "vcc-dram";
176};
177
178&reg_dldo1 {
179	regulator-min-microvolt = <3300000>;
180	regulator-max-microvolt = <3300000>;
181	regulator-name = "vcc-wifi";
182};
183
184/* Voltage source for I2C pullup resistors for I2C Bus 0 */
185&reg_dldo3 {
186	regulator-min-microvolt = <2800000>;
187	regulator-max-microvolt = <2800000>;
188	regulator-name = "vddio-csi";
189};
190
191&uart0 {
192	pinctrl-names = "default";
193	pinctrl-0 = <&uart0_pins_a>;
194	status = "okay";
195};
196
197&usbphy {
198	usb1_vbus-supply = <&reg_dldo1>;
199	usb2_vbus-supply = <&reg_dc1sw>;
200	status = "okay";
201};
202