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		pinctrl-names = "default";
67		pinctrl-0 = <&led_pins_parrot>;
68
69		led1 {
70			label = "parrot:led1:usr";
71			gpio = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */
72		};
73
74		led2 {
75			label = "parrot:led2:usr";
76			gpio = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */
77		};
78	};
79
80	wifi_pwrseq: wifi_pwrseq {
81		compatible = "mmc-pwrseq-simple";
82		reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL06 */
83	};
84
85};
86
87&ehci0 {
88	status = "okay";
89};
90
91&i2c1 {
92	pinctrl-names = "default";
93	pinctrl-0 = <&i2c1_pins_a>;
94	status = "okay";
95
96	/*
97	 * FIXME: An as-yet-unknown accelerometer is connected to this
98	 * i2c bus.
99	 */
100};
101
102&lradc {
103	vref-supply = <&reg_aldo3>;
104	status = "okay";
105
106	button@0 {
107		label = "V+";
108		linux,code = <KEY_VOLUMEUP>;
109		channel = <0>;
110		voltage = <190000>;
111	};
112
113	button@1 {
114		label = "V-";
115		linux,code = <KEY_VOLUMEDOWN>;
116		channel = <0>;
117		voltage = <390000>;
118	};
119
120};
121
122&mmc0 {
123	pinctrl-names = "default";
124	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_parrot>;
125	vmmc-supply = <&reg_dcdc1>;
126	cd-gpios = <&pio 3 14 GPIO_ACTIVE_LOW>; /* PD14 */
127	bus-width = <4>;
128	status = "okay";
129};
130
131&mmc1 {
132	pinctrl-names = "default";
133	pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_parrot>;
134	vmmc-supply = <&reg_aldo1>;
135	mmc-pwrseq = <&wifi_pwrseq>;
136	bus-width = <4>;
137	non-removable;
138	status = "okay";
139};
140
141&mmc2 {
142	pinctrl-names = "default";
143	pinctrl-0 = <&mmc2_8bit_pins>;
144	vmmc-supply = <&reg_dcdc1>;
145	bus-width = <8>;
146	non-removable;
147	cap-mmc-hw-reset;
148	status = "okay";
149};
150
151&mmc2_8bit_pins {
152	allwinner,drive = <SUN4I_PINCTRL_40_MA>;
153	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
154};
155
156&ohci0 {
157	status = "okay";
158};
159
160&pio {
161	mmc0_cd_pin_parrot: mmc0_cd_pin@0 {
162		allwinner,pins = "PD14";
163		allwinner,function = "gpio_in";
164		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
165		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
166	};
167
168	led_pins_parrot: led_pins@0 {
169		allwinner,pins = "PE16", "PE17";
170		allwinner,function = "gpio_out";
171		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
172		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
173	};
174
175	usb0_id_det: usb0_id_detect_pin@0 {
176		allwinner,pins = "PD10";
177		allwinner,function = "gpio_in";
178		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
179		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
180	};
181
182	usb1_vbus_pin_parrot: usb1_vbus_pin@0 {
183		allwinner,pins = "PD12";
184		allwinner,function = "gpio_out";
185		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
186		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
187	};
188};
189
190&r_pio {
191	wifi_reset_pin_parrot: wifi_reset_pin@0 {
192		allwinner,pins = "PL6";
193		allwinner,function = "gpio_out";
194		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
195		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
196	};
197};
198
199&r_rsb {
200	status = "okay";
201
202	axp22x: pmic@3a3 {
203		compatible = "x-powers,axp223";
204		reg = <0x3a3>;
205		interrupt-parent = <&nmi_intc>;
206		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
207		drivevbus-supply = <&reg_vcc5v0>;
208		x-powers,drive-vbus-en;
209	};
210};
211
212#include "axp22x.dtsi"
213
214&reg_aldo1 {
215	regulator-always-on;
216	regulator-min-microvolt = <3000000>;
217	regulator-max-microvolt = <3000000>;
218	regulator-name = "vcc-io";
219};
220
221&reg_aldo2 {
222	regulator-always-on;
223	regulator-min-microvolt = <2350000>;
224	regulator-max-microvolt = <2650000>;
225	regulator-name = "vdd-dll";
226};
227
228&reg_aldo3 {
229	regulator-always-on;
230	regulator-min-microvolt = <2700000>;
231	regulator-max-microvolt = <3300000>;
232	regulator-name = "vcc-pll-avcc";
233};
234
235&reg_dc5ldo {
236	regulator-always-on;
237	regulator-min-microvolt = <900000>;
238	regulator-max-microvolt = <1400000>;
239	regulator-name = "vdd-cpus";
240};
241
242&reg_dcdc1 {
243	regulator-always-on;
244	regulator-min-microvolt = <3000000>;
245	regulator-max-microvolt = <3000000>;
246	regulator-name = "vcc-3v0";
247};
248
249&reg_dcdc2 {
250	regulator-always-on;
251	regulator-min-microvolt = <900000>;
252	regulator-max-microvolt = <1400000>;
253	regulator-name = "vdd-sys";
254};
255
256&reg_dcdc3 {
257	regulator-always-on;
258	regulator-min-microvolt = <900000>;
259	regulator-max-microvolt = <1400000>;
260	regulator-name = "vdd-cpu";
261};
262
263&reg_dcdc5 {
264	regulator-always-on;
265	regulator-min-microvolt = <1500000>;
266	regulator-max-microvolt = <1500000>;
267	regulator-name = "vcc-dram";
268};
269
270&reg_dldo1 {
271	/*
272	 * TODO: WiFi chip needs dldo1 AND dldo2 to be on to be powered.
273	 * Remove next line once it is possible to sync two regulators.
274	 */
275	regulator-always-on;
276	regulator-min-microvolt = <3300000>;
277	regulator-max-microvolt = <3300000>;
278	regulator-name = "vcc-wifi0";
279};
280
281&reg_dldo2 {
282	/*
283	 * TODO: WiFi chip needs dldo1 AND dldo2 to be on to be powered.
284	 * Remove next line once it is possible to sync two regulators.
285	 */
286	regulator-always-on;
287	regulator-min-microvolt = <3300000>;
288	regulator-max-microvolt = <3300000>;
289	regulator-name = "vcc-wifi1";
290};
291
292&reg_dldo3 {
293	regulator-min-microvolt = <3000000>;
294	regulator-max-microvolt = <3000000>;
295	regulator-name = "vcc-3v0-csi";
296};
297
298&reg_drivevbus {
299	regulator-name = "usb0-vbus";
300	status = "okay";
301};
302
303&reg_eldo1 {
304	regulator-min-microvolt = <1200000>;
305	regulator-max-microvolt = <1200000>;
306	regulator-name = "vcc-1v2-hsic";
307};
308
309&reg_eldo2 {
310	regulator-min-microvolt = <3000000>;
311	regulator-max-microvolt = <3000000>;
312	regulator-name = "vcc-dsp";
313};
314
315&reg_eldo3 {
316	regulator-min-microvolt = <3000000>;
317	regulator-max-microvolt = <3000000>;
318	regulator-name = "eldo3";
319};
320
321&reg_usb1_vbus {
322	pinctrl-names = "default";
323	pinctrl-0 = <&usb1_vbus_pin_parrot>;
324	gpio = <&pio 3 12 GPIO_ACTIVE_HIGH>; /* PD12 */
325	status = "okay";
326};
327
328&uart0 {
329	pinctrl-names = "default";
330	pinctrl-0 = <&uart0_pins_b>;
331	status = "okay";
332};
333
334&usb_otg {
335	dr_mode = "otg";
336	status = "okay";
337};
338
339&usb_power_supply {
340	status = "okay";
341};
342
343&usbphy {
344	status = "okay";
345	pinctrl-names = "default";
346	pinctrl-0 = <&usb0_id_det>;
347	usb0_vbus-supply = <&reg_drivevbus>;
348	usb0_id_det-gpios = <&pio 3 10 GPIO_ACTIVE_HIGH>; /* PD10 */
349	usb0_vbus_power-supply = <&usb_power_supply>;
350	usb1_vbus-supply = <&reg_usb1_vbus>;
351};
352