xref: /linux/arch/arm/boot/dts/allwinner/sun6i-reference-design-tablet.dtsi (revision 0e2b2a76278153d1ac312b0691cb65dabb9aef3e) 
1/*
2 * Copyright 2016 Hans de Goede <hdegoede@redhat.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#include "sunxi-common-regulators.dtsi"
44
45#include <dt-bindings/gpio/gpio.h>
46#include <dt-bindings/input/input.h>
47
48/ {
49	aliases {
50		serial0 = &uart0;
51	};
52
53	chosen {
54		stdout-path = "serial0:115200n8";
55	};
56};
57
58&cpu0 {
59	cpu-supply = <&reg_dcdc3>;
60};
61
62&ehci0 {
63	/* Wifi is connected here */
64	status = "okay";
65};
66
67&mmc0 {
68	pinctrl-names = "default";
69	pinctrl-0 = <&mmc0_pins>;
70	vmmc-supply = <&reg_dcdc1>;
71	bus-width = <4>;
72	cd-gpios = <&pio 0 8 GPIO_ACTIVE_LOW>; /* PA8 */
73	status = "okay";
74};
75
76&p2wi {
77	status = "okay";
78
79	axp22x: pmic@68 {
80		compatible = "x-powers,axp221";
81		reg = <0x68>;
82		interrupt-parent = <&r_intc>;
83		interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
84		drivevbus-supply = <&reg_vcc5v0>;
85		x-powers,drive-vbus-en;
86	};
87};
88
89#include "axp22x.dtsi"
90
91&reg_aldo3 {
92	regulator-always-on;
93	regulator-min-microvolt = <2700000>;
94	regulator-max-microvolt = <3300000>;
95	regulator-name = "avcc";
96};
97
98&reg_dc1sw {
99	regulator-name = "vcc-lcd";
100};
101
102&reg_dc5ldo {
103	regulator-always-on;
104	regulator-min-microvolt = <700000>;
105	regulator-max-microvolt = <1320000>;
106	regulator-name = "vdd-cpus"; /* This is an educated guess */
107};
108
109&reg_dcdc1 {
110	regulator-always-on;
111	regulator-min-microvolt = <3000000>;
112	regulator-max-microvolt = <3000000>;
113	regulator-name = "vcc-3v0";
114};
115
116&reg_dcdc2 {
117	regulator-min-microvolt = <700000>;
118	regulator-max-microvolt = <1320000>;
119	regulator-name = "vdd-gpu";
120};
121
122&reg_dcdc3 {
123	regulator-always-on;
124	regulator-min-microvolt = <700000>;
125	regulator-max-microvolt = <1320000>;
126	regulator-name = "vdd-cpu";
127};
128
129&reg_dcdc4 {
130	regulator-always-on;
131	regulator-min-microvolt = <700000>;
132	regulator-max-microvolt = <1320000>;
133	regulator-name = "vdd-sys-dll";
134};
135
136&reg_dcdc5 {
137	regulator-always-on;
138	regulator-min-microvolt = <1500000>;
139	regulator-max-microvolt = <1500000>;
140	regulator-name = "vcc-dram";
141};
142
143&reg_dldo1 {
144	regulator-min-microvolt = <3300000>;
145	regulator-max-microvolt = <3300000>;
146	regulator-name = "vcc-wifi";
147};
148
149&reg_drivevbus {
150	regulator-name = "usb0-vbus";
151	status = "okay";
152};
153
154&simplefb_lcd {
155	vcc-lcd-supply = <&reg_dc1sw>;
156};
157
158&usb_otg {
159	dr_mode = "otg";
160	status = "okay";
161};
162
163&usb_power_supply {
164	status = "okay";
165};
166
167&usbphy {
168	usb0_id_det-gpios = <&pio 0 15 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PA15 */
169	usb0_vbus_power-supply = <&usb_power_supply>;
170	usb0_vbus-supply = <&reg_drivevbus>;
171	usb1_vbus-supply = <&reg_dldo1>;
172	status = "okay";
173};
174