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1/*
2 * Copyright 2015 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/dts-v1/;
44#include "sun4i-a10.dtsi"
45#include "sunxi-common-regulators.dtsi"
46#include <dt-bindings/gpio/gpio.h>
47#include <dt-bindings/input/input.h>
48#include <dt-bindings/interrupt-controller/irq.h>
49#include <dt-bindings/pinctrl/sun4i-a10.h>
50
51/ {
52	model = "Point of View Protab2-IPS9";
53	compatible = "pov,protab2-ips9", "allwinner,sun4i-a10";
54
55	aliases {
56		serial0 = &uart0;
57	};
58
59	chosen {
60		stdout-path = "serial0:115200n8";
61	};
62};
63
64&cpu0 {
65	cpu-supply = <&reg_dcdc2>;
66};
67
68&ehci0 {
69	status = "okay";
70};
71
72&i2c0 {
73	pinctrl-names = "default";
74	pinctrl-0 = <&i2c0_pins_a>;
75	status = "okay";
76
77	axp209: pmic@34 {
78		reg = <0x34>;
79		interrupts = <0>;
80	};
81};
82
83#include "axp209.dtsi"
84
85&i2c1 {
86	pinctrl-names = "default";
87	pinctrl-0 = <&i2c1_pins_a>;
88	/* pull-ups and devices require AXP209 LDO3 */
89	status = "failed";
90};
91
92&i2c2 {
93	pinctrl-names = "default";
94	pinctrl-0 = <&i2c2_pins_a>;
95	status = "okay";
96};
97
98&lradc {
99	vref-supply = <&reg_ldo2>;
100	status = "okay";
101
102	button@400 {
103		label = "Volume Up";
104		linux,code = <KEY_VOLUMEUP>;
105		channel = <0>;
106		voltage = <400000>;
107	};
108
109	button@800 {
110		label = "Volume Down";
111		linux,code = <KEY_VOLUMEDOWN>;
112		channel = <0>;
113		voltage = <800000>;
114	};
115};
116
117&mmc0 {
118	pinctrl-names = "default";
119	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
120	vmmc-supply = <&reg_vcc3v3>;
121	bus-width = <4>;
122	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
123	cd-inverted;
124	status = "okay";
125};
126
127&otg_sram {
128	status = "okay";
129};
130
131&pio {
132	usb0_id_detect_pin: usb0_id_detect_pin@0 {
133		allwinner,pins = "PH4";
134		allwinner,function = "gpio_in";
135		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
136		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
137	};
138
139	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
140		allwinner,pins = "PH5";
141		allwinner,function = "gpio_in";
142		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
143		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
144	};
145};
146
147&reg_dcdc2 {
148	regulator-always-on;
149	regulator-min-microvolt = <1000000>;
150	regulator-max-microvolt = <1400000>;
151	regulator-name = "vdd-cpu";
152};
153
154&reg_dcdc3 {
155	regulator-always-on;
156	regulator-min-microvolt = <1250000>;
157	regulator-max-microvolt = <1250000>;
158	regulator-name = "vdd-int-dll";
159};
160
161&reg_ldo1 {
162	regulator-name = "vdd-rtc";
163};
164
165&reg_ldo2 {
166	regulator-always-on;
167	regulator-min-microvolt = <3000000>;
168	regulator-max-microvolt = <3000000>;
169	regulator-name = "avcc";
170};
171
172&reg_usb0_vbus {
173	status = "okay";
174};
175
176&reg_usb1_vbus {
177	status = "okay";
178};
179
180&uart0 {
181	pinctrl-names = "default";
182	pinctrl-0 = <&uart0_pins_a>;
183	status = "okay";
184};
185
186&usb_otg {
187	dr_mode = "otg";
188	status = "okay";
189};
190
191&usbphy {
192	pinctrl-names = "default";
193	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
194	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
195	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
196	usb0_vbus-supply = <&reg_usb0_vbus>;
197	usb1_vbus-supply = <&reg_usb1_vbus>;
198	status = "okay";
199};
200