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	status = "okay";
89};
90
91&i2c2 {
92	pinctrl-names = "default";
93	pinctrl-0 = <&i2c2_pins_a>;
94	status = "okay";
95};
96
97&lradc {
98	vref-supply = <&reg_ldo2>;
99	status = "okay";
100
101	button@400 {
102		label = "Volume Up";
103		linux,code = <KEY_VOLUMEUP>;
104		channel = <0>;
105		voltage = <400000>;
106	};
107
108	button@800 {
109		label = "Volume Down";
110		linux,code = <KEY_VOLUMEDOWN>;
111		channel = <0>;
112		voltage = <800000>;
113	};
114};
115
116&mmc0 {
117	pinctrl-names = "default";
118	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
119	vmmc-supply = <&reg_vcc3v3>;
120	bus-width = <4>;
121	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
122	cd-inverted;
123	status = "okay";
124};
125
126&otg_sram {
127	status = "okay";
128};
129
130&pio {
131	usb0_id_detect_pin: usb0_id_detect_pin@0 {
132		allwinner,pins = "PH4";
133		allwinner,function = "gpio_in";
134		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
135		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
136	};
137
138	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
139		allwinner,pins = "PH5";
140		allwinner,function = "gpio_in";
141		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
142		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
143	};
144};
145
146&reg_dcdc2 {
147	regulator-always-on;
148	regulator-min-microvolt = <1000000>;
149	regulator-max-microvolt = <1400000>;
150	regulator-name = "vdd-cpu";
151};
152
153&reg_dcdc3 {
154	regulator-always-on;
155	regulator-min-microvolt = <1250000>;
156	regulator-max-microvolt = <1250000>;
157	regulator-name = "vdd-int-dll";
158};
159
160&reg_ldo1 {
161	regulator-name = "vdd-rtc";
162};
163
164&reg_ldo2 {
165	regulator-always-on;
166	regulator-min-microvolt = <3000000>;
167	regulator-max-microvolt = <3000000>;
168	regulator-name = "avcc";
169};
170
171&reg_ldo3 {
172	/*
173	 * We need to always power the camera sensor, otherwhise all access
174	 * to i2c1 is blocked.
175	 */
176	regulator-always-on;
177	regulator-min-microvolt = <2800000>;
178	regulator-max-microvolt = <2800000>;
179	regulator-name = "vdd-csi";
180};
181
182&reg_usb0_vbus {
183	status = "okay";
184};
185
186&reg_usb1_vbus {
187	status = "okay";
188};
189
190&uart0 {
191	pinctrl-names = "default";
192	pinctrl-0 = <&uart0_pins_a>;
193	status = "okay";
194};
195
196&usb_otg {
197	dr_mode = "otg";
198	status = "okay";
199};
200
201&usbphy {
202	pinctrl-names = "default";
203	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
204	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
205	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
206	usb0_vbus-supply = <&reg_usb0_vbus>;
207	usb1_vbus-supply = <&reg_usb1_vbus>;
208	status = "okay";
209};
210