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