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#include "sunxi-reference-design-tablet.dtsi"
43
44#include <dt-bindings/pwm/pwm.h>
45
46/ {
47	aliases {
48		serial0 = &uart1;
49	};
50
51	backlight: backlight {
52		compatible = "pwm-backlight";
53		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
54		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
55		default-brightness-level = <8>;
56		/* TODO: backlight uses axp gpio1 as enable pin */
57	};
58
59	chosen {
60		stdout-path = "serial0:115200n8";
61	};
62};
63
64&codec {
65	pinctrl-names = "default";
66	pinctrl-0 = <&codec_pa_pin>;
67	allwinner,pa-gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10 */
68	status = "okay";
69};
70
71&cpu0 {
72	cpu-supply = <&reg_dcdc2>;
73};
74
75&ehci0 {
76	status = "okay";
77};
78
79&i2c0 {
80	axp209: pmic@34 {
81		reg = <0x34>;
82		interrupts = <0>;
83	};
84};
85
86&i2c1 {
87	pcf8563: rtc@51 {
88		compatible = "nxp,pcf8563";
89		reg = <0x51>;
90	};
91};
92
93#include "axp209.dtsi"
94
95&lradc {
96	vref-supply = <&reg_ldo2>;
97};
98
99&mmc0 {
100	pinctrl-names = "default";
101	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
102	vmmc-supply = <&reg_vcc3v0>;
103	bus-width = <4>;
104	cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */
105	cd-inverted;
106	status = "okay";
107};
108
109&otg_sram {
110	status = "okay";
111};
112
113&pio {
114	codec_pa_pin: codec_pa_pin@0 {
115		allwinner,pins = "PG10";
116		allwinner,function = "gpio_out";
117		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
118		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
119	};
120
121	mmc0_cd_pin: mmc0_cd_pin@0 {
122		allwinner,pins = "PG0";
123		allwinner,function = "gpio_in";
124		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
125		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
126	};
127
128	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
129		allwinner,pins = "PG1";
130		allwinner,function = "gpio_in";
131		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
132		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
133	};
134
135	usb0_id_detect_pin: usb0_id_detect_pin@0 {
136		allwinner,pins = "PG2";
137		allwinner,function = "gpio_in";
138		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
139		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
140	};
141
142	usb0_vbus_pin_a: usb0_vbus_pin@0 {
143		allwinner,pins = "PG12";
144		allwinner,function = "gpio_out";
145		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
146		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
147	};
148};
149
150&reg_dcdc2 {
151	regulator-always-on;
152	regulator-min-microvolt = <1000000>;
153	regulator-max-microvolt = <1500000>;
154	regulator-name = "vdd-cpu";
155};
156
157&reg_dcdc3 {
158	regulator-always-on;
159	regulator-min-microvolt = <1000000>;
160	regulator-max-microvolt = <1400000>;
161	regulator-name = "vdd-int-pll";
162};
163
164&reg_ldo1 {
165	regulator-name = "vdd-rtc";
166};
167
168&reg_ldo2 {
169	regulator-always-on;
170	regulator-min-microvolt = <3000000>;
171	regulator-max-microvolt = <3000000>;
172	regulator-name = "avcc";
173};
174
175&reg_ldo3 {
176	regulator-min-microvolt = <3300000>;
177	regulator-max-microvolt = <3300000>;
178	regulator-name = "vcc-wifi";
179};
180
181&reg_usb0_vbus {
182	gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
183	status = "okay";
184};
185
186&uart1 {
187	pinctrl-names = "default";
188	pinctrl-0 = <&uart1_pins_b>;
189	status = "okay";
190};
191
192&usb_otg {
193	dr_mode = "otg";
194	status = "okay";
195};
196
197&usb_power_supply {
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 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */
205	usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */
206	usb0_vbus_power-supply = <&usb_power_supply>;
207	usb0_vbus-supply = <&reg_usb0_vbus>;
208	usb1_vbus-supply = <&reg_ldo3>;
209	status = "okay";
210};
211