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_LOW>; /* PA8 */
106	status = "okay";
107};
108
109&mmc0_pins_a {
110	bias-pull-up;
111};
112
113&p2wi {
114	status = "okay";
115
116	axp22x: pmic@68 {
117		compatible = "x-powers,axp221";
118		reg = <0x68>;
119		interrupt-parent = <&nmi_intc>;
120		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
121	};
122};
123
124#include "axp22x.dtsi"
125
126&reg_aldo3 {
127	regulator-always-on;
128	regulator-min-microvolt = <2700000>;
129	regulator-max-microvolt = <3300000>;
130	regulator-name = "avcc";
131};
132
133&reg_dc1sw {
134	regulator-name = "vcc-lcd-usb2";
135};
136
137&reg_dc5ldo {
138	regulator-min-microvolt = <700000>;
139	regulator-max-microvolt = <1320000>;
140	regulator-name = "vdd-cpus";
141};
142
143&reg_dcdc1 {
144	regulator-always-on;
145	regulator-min-microvolt = <3000000>;
146	regulator-max-microvolt = <3000000>;
147	regulator-name = "vcc-3v0";
148};
149
150&reg_dcdc2 {
151	regulator-min-microvolt = <700000>;
152	regulator-max-microvolt = <1320000>;
153	regulator-name = "vdd-gpu";
154};
155
156&reg_dcdc3 {
157	regulator-always-on;
158	regulator-min-microvolt = <700000>;
159	regulator-max-microvolt = <1320000>;
160	regulator-name = "vdd-cpu";
161};
162
163&reg_dcdc4 {
164	regulator-always-on;
165	regulator-min-microvolt = <700000>;
166	regulator-max-microvolt = <1320000>;
167	regulator-name = "vdd-sys-dll";
168};
169
170&reg_dcdc5 {
171	regulator-always-on;
172	regulator-min-microvolt = <1500000>;
173	regulator-max-microvolt = <1500000>;
174	regulator-name = "vcc-dram";
175};
176
177&reg_dldo1 {
178	regulator-min-microvolt = <3300000>;
179	regulator-max-microvolt = <3300000>;
180	regulator-name = "vcc-wifi";
181};
182
183/* Voltage source for I2C pullup resistors for I2C Bus 0 */
184&reg_dldo3 {
185	regulator-min-microvolt = <2800000>;
186	regulator-max-microvolt = <2800000>;
187	regulator-name = "vddio-csi";
188};
189
190&uart0 {
191	pinctrl-names = "default";
192	pinctrl-0 = <&uart0_pins_a>;
193	status = "okay";
194};
195
196&usbphy {
197	usb1_vbus-supply = <&reg_dldo1>;
198	usb2_vbus-supply = <&reg_dc1sw>;
199	status = "okay";
200};