1/*
2 * Copyright 2015 - Marcus Cooper <codekipper@gmail.com>
3 * Copyright 2015 - Karsten Merker <merker@debian.org>
4 *
5 * This file is dual-licensed: you can use it either under the terms
6 * of the GPL or the X11 license, at your option. Note that this dual
7 * licensing only applies to this file, and not this project as a
8 * whole.
9 *
10 *  a) This file is free software; you can redistribute it and/or
11 *     modify it under the terms of the GNU General Public License as
12 *     published by the Free Software Foundation; either version 2 of the
13 *     License, or (at your option) any later version.
14 *
15 *     This file is distributed in the hope that it will be useful,
16 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *     GNU General Public License for more details.
19 *
20 * Or, alternatively,
21 *
22 *  b) Permission is hereby granted, free of charge, to any person
23 *     obtaining a copy of this software and associated documentation
24 *     files (the "Software"), to deal in the Software without
25 *     restriction, including without limitation the rights to use,
26 *     copy, modify, merge, publish, distribute, sublicense, and/or
27 *     sell copies of the Software, and to permit persons to whom the
28 *     Software is furnished to do so, subject to the following
29 *     conditions:
30 *
31 *     The above copyright notice and this permission notice shall be
32 *     included in all copies or substantial portions of the Software.
33 *
34 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
36 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
39 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
40 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
41 *     OTHER DEALINGS IN THE SOFTWARE.
42 */
43
44/dts-v1/;
45#include "sun7i-a20.dtsi"
46#include "sunxi-common-regulators.dtsi"
47
48#include <dt-bindings/gpio/gpio.h>
49#include <dt-bindings/input/input.h>
50#include <dt-bindings/interrupt-controller/irq.h>
51#include <dt-bindings/pinctrl/sun4i-a10.h>
52
53/ {
54	model = "Olimex A20-Olimex-SOM-EVB";
55	compatible = "olimex,a20-olimex-som-evb", "allwinner,sun7i-a20";
56
57	aliases {
58		serial0 = &uart0;
59	};
60
61	chosen {
62		stdout-path = "serial0:115200n8";
63	};
64
65	leds {
66		compatible = "gpio-leds";
67		pinctrl-names = "default";
68		pinctrl-0 = <&led_pins_olimex_som_evb>;
69
70		green {
71			label = "a20-olimex-som-evb:green:usr";
72			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
73			default-state = "on";
74		};
75	};
76};
77
78&ahci {
79	target-supply = <&reg_ahci_5v>;
80	status = "okay";
81};
82
83&ehci0 {
84	status = "okay";
85};
86
87&ehci1 {
88	status = "okay";
89};
90
91&codec {
92	status = "okay";
93};
94
95&gmac {
96	pinctrl-names = "default";
97	pinctrl-0 = <&gmac_pins_rgmii_a>;
98	phy = <&phy1>;
99	phy-mode = "rgmii";
100	status = "okay";
101
102	phy1: ethernet-phy@1 {
103		reg = <1>;
104	};
105};
106
107&i2c0 {
108	pinctrl-names = "default";
109	pinctrl-0 = <&i2c0_pins_a>;
110	status = "okay";
111
112	axp209: pmic@34 {
113		reg = <0x34>;
114		interrupt-parent = <&nmi_intc>;
115		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
116	};
117};
118
119&lradc {
120	vref-supply = <&reg_vcc3v0>;
121	status = "okay";
122
123	button@190 {
124		label = "Volume Up";
125		linux,code = <KEY_VOLUMEUP>;
126		channel = <0>;
127		voltage = <190000>;
128	};
129
130	button@390 {
131		label = "Volume Down";
132		linux,code = <KEY_VOLUMEDOWN>;
133		channel = <0>;
134		voltage = <390000>;
135	};
136
137	button@600 {
138		label = "Menu";
139		linux,code = <KEY_MENU>;
140		channel = <0>;
141		voltage = <600000>;
142	};
143
144	button@800 {
145		label = "Search";
146		linux,code = <KEY_SEARCH>;
147		channel = <0>;
148		voltage = <800000>;
149	};
150
151	button@980 {
152		label = "Home";
153		linux,code = <KEY_HOMEPAGE>;
154		channel = <0>;
155		voltage = <980000>;
156	};
157
158	button@1180 {
159		label = "Esc";
160		linux,code = <KEY_ESC>;
161		channel = <0>;
162		voltage = <1180000>;
163	};
164
165	button@1400 {
166		label = "Enter";
167		linux,code = <KEY_ENTER>;
168		channel = <0>;
169		voltage = <1400000>;
170	};
171};
172
173&mmc0 {
174	pinctrl-names = "default";
175	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
176	vmmc-supply = <&reg_vcc3v3>;
177	bus-width = <4>;
178	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
179	cd-inverted;
180	status = "okay";
181};
182
183&mmc3 {
184	pinctrl-names = "default";
185	pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olimex_som_evb>;
186	vmmc-supply = <&reg_vcc3v3>;
187	bus-width = <4>;
188	cd-gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>; /* PH0 */
189	cd-inverted;
190	status = "okay";
191};
192
193&ohci0 {
194	status = "okay";
195};
196
197&ohci1 {
198	status = "okay";
199};
200
201&otg_sram {
202	status = "okay";
203};
204
205&pio {
206	ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin@1 {
207		allwinner,pins = "PC3";
208		allwinner,function = "gpio_out";
209		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
210		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
211	};
212
213	led_pins_olimex_som_evb: led_pins@0 {
214		allwinner,pins = "PH2";
215		allwinner,function = "gpio_out";
216		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
217		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
218	};
219
220	mmc3_cd_pin_olimex_som_evb: mmc3_cd_pin@0 {
221		allwinner,pins = "PH0";
222		allwinner,function = "gpio_in";
223		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
224		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
225	};
226
227	usb0_id_detect_pin: usb0_id_detect_pin@0 {
228		allwinner,pins = "PH4";
229		allwinner,function = "gpio_in";
230		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
231		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
232	};
233
234	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
235		allwinner,pins = "PH5";
236		allwinner,function = "gpio_in";
237		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
238		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
239	};
240};
241
242&reg_ahci_5v {
243	pinctrl-0 = <&ahci_pwr_pin_olimex_som_evb>;
244	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
245	status = "okay";
246};
247
248#include "axp209.dtsi"
249
250&reg_dcdc2 {
251	regulator-always-on;
252	regulator-min-microvolt = <1000000>;
253	regulator-max-microvolt = <1400000>;
254	regulator-name = "vdd-cpu";
255};
256
257&reg_dcdc3 {
258	regulator-always-on;
259	regulator-min-microvolt = <1000000>;
260	regulator-max-microvolt = <1400000>;
261	regulator-name = "vdd-int-dll";
262};
263
264&reg_ldo1 {
265	regulator-name = "vdd-rtc";
266};
267
268&reg_ldo2 {
269	regulator-always-on;
270	regulator-min-microvolt = <3000000>;
271	regulator-max-microvolt = <3000000>;
272	regulator-name = "avcc";
273};
274
275&reg_usb0_vbus {
276	status = "okay";
277};
278
279&reg_usb1_vbus {
280	status = "okay";
281};
282
283&reg_usb2_vbus {
284	status = "okay";
285};
286
287&uart0 {
288	pinctrl-names = "default";
289	pinctrl-0 = <&uart0_pins_a>;
290	status = "okay";
291};
292
293&usb_otg {
294	dr_mode = "otg";
295	status = "okay";
296};
297
298&usbphy {
299	pinctrl-names = "default";
300	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
301	usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
302	usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH05 */
303	usb0_vbus-supply = <&reg_usb0_vbus>;
304	usb1_vbus-supply = <&reg_usb1_vbus>;
305	usb2_vbus-supply = <&reg_usb2_vbus>;
306	status = "okay";
307};
308