1 /*
2 * Copyright 2016 Quentin Schulz
3 *
4 * Quentin Schulz <quentin.schulz@free-electrons.com>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 * a) This file is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of the
14 * License, or (at your option) any later version.
15 *
16 * This file is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 * b) Permission is hereby granted, free of charge, to any person
24 * obtaining a copy of this software and associated documentation
25 * files (the "Software"), to deal in the Software without
26 * restriction, including without limitation the rights to use,
27 * copy, modify, merge, publish, distribute, sublicense, and/or
28 * sell copies of the Software, and to permit persons to whom the
29 * Software is furnished to do so, subject to the following
30 * conditions:
31 *
32 * The above copyright notice and this permission notice shall be
33 * included in all copies or substantial portions of the Software.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 * OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45 /dts-v1/;
46 #include "sun8i-a33.dtsi"
47 #include "sunxi-common-regulators.dtsi"
48
49 #include <dt-bindings/gpio/gpio.h>
50 #include <dt-bindings/input/input.h>
51
52 / {
53 model = "Allwinner R16 EVB (Parrot)";
54 compatible = "allwinner,parrot", "allwinner,sun8i-a33";
55
56 aliases {
57 serial0 = &uart0;
58 };
59
60 chosen {
61 stdout-path = "serial0:115200n8";
62 };
63
64 leds {
65 compatible = "gpio-leds";
66
67 led-1 {
68 label = "parrot:led1:usr";
69 gpios = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
70 };
71
72 led-2 {
73 label = "parrot:led2:usr";
74 gpios = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */
75 };
76 };
77
78 wifi_pwrseq: pwrseq {
79 compatible = "mmc-pwrseq-simple";
80 reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL06 */
81 };
82
83 };
84
85 &codec {
86 status = "okay";
87 };
88
89 &dai {
90 status = "okay";
91 };
92
93 &ehci0 {
94 status = "okay";
95 };
96
97 &i2c1 {
98 status = "okay";
99
100 /*
101 * FIXME: An as-yet-unknown accelerometer is connected to this
102 * i2c bus.
103 */
104 };
105
106 &lradc {
107 vref-supply = <®_aldo3>;
108 status = "okay";
109
110 button-190 {
111 label = "V+";
112 linux,code = <KEY_VOLUMEUP>;
113 channel = <0>;
114 voltage = <190000>;
115 };
116
117 button-390 {
118 label = "V-";
119 linux,code = <KEY_VOLUMEDOWN>;
120 channel = <0>;
121 voltage = <390000>;
122 };
123
124 };
125
126 &mmc0 {
127 vmmc-supply = <®_dcdc1>;
128 cd-gpios = <&pio 3 14 GPIO_ACTIVE_LOW>; /* PD14 */
129 bus-width = <4>;
130 status = "okay";
131 };
132
133 &mmc1 {
134 pinctrl-names = "default";
135 pinctrl-0 = <&mmc1_pg_pins>;
136 vmmc-supply = <®_aldo1>;
137 mmc-pwrseq = <&wifi_pwrseq>;
138 bus-width = <4>;
139 non-removable;
140 status = "okay";
141 };
142
143 &mmc2 {
144 pinctrl-names = "default";
145 pinctrl-0 = <&mmc2_8bit_pins>;
146 vmmc-supply = <®_dcdc1>;
147 bus-width = <8>;
148 non-removable;
149 cap-mmc-hw-reset;
150 status = "okay";
151 };
152
153 &mmc2_8bit_pins {
154 drive-strength = <40>;
155 };
156
157 &ohci0 {
158 status = "okay";
159 };
160
161 &r_rsb {
162 status = "okay";
163
164 axp22x: pmic@3a3 {
165 compatible = "x-powers,axp223";
166 reg = <0x3a3>;
167 interrupt-parent = <&r_intc>;
168 interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
169 drivevbus-supply = <®_vcc5v0>;
170 x-powers,drive-vbus-en;
171 };
172 };
173
174 #include "axp223.dtsi"
175
176 ®_aldo1 {
177 regulator-always-on;
178 regulator-min-microvolt = <3000000>;
179 regulator-max-microvolt = <3000000>;
180 regulator-name = "vcc-io";
181 };
182
183 ®_aldo2 {
184 regulator-always-on;
185 regulator-min-microvolt = <2350000>;
186 regulator-max-microvolt = <2650000>;
187 regulator-name = "vdd-dll";
188 };
189
190 ®_aldo3 {
191 regulator-always-on;
192 regulator-min-microvolt = <2700000>;
193 regulator-max-microvolt = <3300000>;
194 regulator-name = "vcc-pll-avcc";
195 };
196
197 ®_dc5ldo {
198 regulator-always-on;
199 regulator-min-microvolt = <900000>;
200 regulator-max-microvolt = <1400000>;
201 regulator-name = "vdd-cpus";
202 };
203
204 ®_dcdc1 {
205 regulator-always-on;
206 regulator-min-microvolt = <3000000>;
207 regulator-max-microvolt = <3000000>;
208 regulator-name = "vcc-3v0";
209 };
210
211 ®_dcdc2 {
212 regulator-always-on;
213 regulator-min-microvolt = <900000>;
214 regulator-max-microvolt = <1400000>;
215 regulator-name = "vdd-sys";
216 };
217
218 ®_dcdc3 {
219 regulator-always-on;
220 regulator-min-microvolt = <900000>;
221 regulator-max-microvolt = <1400000>;
222 regulator-name = "vdd-cpu";
223 };
224
225 ®_dcdc5 {
226 regulator-always-on;
227 regulator-min-microvolt = <1500000>;
228 regulator-max-microvolt = <1500000>;
229 regulator-name = "vcc-dram";
230 };
231
232 ®_dldo1 {
233 /*
234 * TODO: WiFi chip needs dldo1 AND dldo2 to be on to be powered.
235 * Remove next line once it is possible to sync two regulators.
236 */
237 regulator-always-on;
238 regulator-min-microvolt = <3300000>;
239 regulator-max-microvolt = <3300000>;
240 regulator-name = "vcc-wifi0";
241 };
242
243 ®_dldo2 {
244 /*
245 * TODO: WiFi chip needs dldo1 AND dldo2 to be on to be powered.
246 * Remove next line once it is possible to sync two regulators.
247 */
248 regulator-always-on;
249 regulator-min-microvolt = <3300000>;
250 regulator-max-microvolt = <3300000>;
251 regulator-name = "vcc-wifi1";
252 };
253
254 ®_dldo3 {
255 regulator-min-microvolt = <3000000>;
256 regulator-max-microvolt = <3000000>;
257 regulator-name = "vcc-3v0-csi";
258 };
259
260 ®_drivevbus {
261 regulator-name = "usb0-vbus";
262 status = "okay";
263 };
264
265 ®_eldo1 {
266 regulator-min-microvolt = <1200000>;
267 regulator-max-microvolt = <1200000>;
268 regulator-name = "vcc-1v2-hsic";
269 };
270
271 ®_eldo2 {
272 regulator-min-microvolt = <3000000>;
273 regulator-max-microvolt = <3000000>;
274 regulator-name = "vcc-dsp";
275 };
276
277 ®_eldo3 {
278 regulator-min-microvolt = <3000000>;
279 regulator-max-microvolt = <3000000>;
280 regulator-name = "eldo3";
281 };
282
283 ®_usb1_vbus {
284 gpio = <&pio 3 12 GPIO_ACTIVE_HIGH>; /* PD12 */
285 status = "okay";
286 };
287
288 &sound {
289 status = "okay";
290 };
291
292 &uart0 {
293 pinctrl-names = "default";
294 pinctrl-0 = <&uart0_pb_pins>;
295 status = "okay";
296 };
297
298 &usb_otg {
299 dr_mode = "otg";
300 status = "okay";
301 };
302
303 &usb_power_supply {
304 status = "okay";
305 };
306
307 &usbphy {
308 status = "okay";
309 usb0_vbus-supply = <®_drivevbus>;
310 usb0_id_det-gpios = <&pio 3 10 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>; /* PD10 */
311 usb0_vbus_power-supply = <&usb_power_supply>;
312 usb1_vbus-supply = <®_usb1_vbus>;
313 };
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