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
52/ {
53	model = "Olimex A20-Olimex-SOM-EVB";
54	compatible = "olimex,a20-olimex-som-evb", "allwinner,sun7i-a20";
55
56	aliases {
57		serial0 = &uart0;
58	};
59
60	chosen {
61		stdout-path = "serial0:115200n8";
62	};
63
64	hdmi-connector {
65		compatible = "hdmi-connector";
66		type = "a";
67
68		port {
69			hdmi_con_in: endpoint {
70				remote-endpoint = <&hdmi_out_con>;
71			};
72		};
73	};
74
75	leds {
76		compatible = "gpio-leds";
77		pinctrl-names = "default";
78		pinctrl-0 = <&led_pins_olimex_som_evb>;
79
80		green {
81			label = "a20-olimex-som-evb:green:usr";
82			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
83			default-state = "on";
84		};
85	};
86};
87
88&ahci {
89	target-supply = <&reg_ahci_5v>;
90	status = "okay";
91};
92
93&de {
94	status = "okay";
95};
96
97&ehci0 {
98	status = "okay";
99};
100
101&ehci1 {
102	status = "okay";
103};
104
105&cpu0 {
106	cpu-supply = <&reg_dcdc2>;
107};
108
109&codec {
110	status = "okay";
111};
112
113&gmac {
114	pinctrl-names = "default";
115	pinctrl-0 = <&gmac_pins_rgmii_a>;
116	phy = <&phy1>;
117	phy-mode = "rgmii";
118	status = "okay";
119
120	phy1: ethernet-phy@1 {
121		reg = <1>;
122	};
123};
124
125&hdmi {
126	status = "okay";
127};
128
129&hdmi_out {
130	hdmi_out_con: endpoint {
131		remote-endpoint = <&hdmi_con_in>;
132	};
133};
134
135&i2c0 {
136	pinctrl-names = "default";
137	pinctrl-0 = <&i2c0_pins_a>;
138	status = "okay";
139
140	axp209: pmic@34 {
141		reg = <0x34>;
142		interrupt-parent = <&nmi_intc>;
143		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
144	};
145};
146
147&i2c1 {
148	pinctrl-names = "default";
149	pinctrl-0 = <&i2c1_pins_a>;
150	status = "okay";
151};
152
153&i2c2 {
154	pinctrl-names = "default";
155	pinctrl-0 = <&i2c2_pins_a>;
156	status = "okay";
157};
158
159&lradc {
160	vref-supply = <&reg_vcc3v0>;
161	status = "okay";
162
163	button@190 {
164		label = "Volume Up";
165		linux,code = <KEY_VOLUMEUP>;
166		channel = <0>;
167		voltage = <190000>;
168	};
169
170	button@390 {
171		label = "Volume Down";
172		linux,code = <KEY_VOLUMEDOWN>;
173		channel = <0>;
174		voltage = <390000>;
175	};
176
177	button@600 {
178		label = "Menu";
179		linux,code = <KEY_MENU>;
180		channel = <0>;
181		voltage = <600000>;
182	};
183
184	button@800 {
185		label = "Search";
186		linux,code = <KEY_SEARCH>;
187		channel = <0>;
188		voltage = <800000>;
189	};
190
191	button@980 {
192		label = "Home";
193		linux,code = <KEY_HOMEPAGE>;
194		channel = <0>;
195		voltage = <980000>;
196	};
197
198	button@1180 {
199		label = "Esc";
200		linux,code = <KEY_ESC>;
201		channel = <0>;
202		voltage = <1180000>;
203	};
204
205	button@1400 {
206		label = "Enter";
207		linux,code = <KEY_ENTER>;
208		channel = <0>;
209		voltage = <1400000>;
210	};
211};
212
213&mmc0 {
214	pinctrl-names = "default";
215	pinctrl-0 = <&mmc0_pins_a>;
216	vmmc-supply = <&reg_vcc3v3>;
217	bus-width = <4>;
218	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
219	status = "okay";
220};
221
222&mmc3 {
223	pinctrl-names = "default";
224	pinctrl-0 = <&mmc3_pins_a>, <&mmc3_cd_pin_olimex_som_evb>;
225	vmmc-supply = <&reg_vcc3v3>;
226	bus-width = <4>;
227	cd-gpios = <&pio 7 0 GPIO_ACTIVE_LOW>; /* PH0 */
228	status = "okay";
229};
230
231&ohci0 {
232	status = "okay";
233};
234
235&ohci1 {
236	status = "okay";
237};
238
239&otg_sram {
240	status = "okay";
241};
242
243&pio {
244	ahci_pwr_pin_olimex_som_evb: ahci_pwr_pin@1 {
245		pins = "PC3";
246		function = "gpio_out";
247	};
248
249	led_pins_olimex_som_evb: led_pins@0 {
250		pins = "PH2";
251		function = "gpio_out";
252		drive-strength = <20>;
253	};
254
255	mmc3_cd_pin_olimex_som_evb: mmc3_cd_pin@0 {
256		pins = "PH0";
257		function = "gpio_in";
258		bias-pull-up;
259	};
260
261	usb0_id_detect_pin: usb0_id_detect_pin@0 {
262		pins = "PH4";
263		function = "gpio_in";
264	};
265
266	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
267		pins = "PH5";
268		function = "gpio_in";
269	};
270};
271
272&reg_ahci_5v {
273	pinctrl-0 = <&ahci_pwr_pin_olimex_som_evb>;
274	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
275	status = "okay";
276};
277
278#include "axp209.dtsi"
279
280&reg_dcdc2 {
281	regulator-always-on;
282	regulator-min-microvolt = <1000000>;
283	regulator-max-microvolt = <1400000>;
284	regulator-name = "vdd-cpu";
285};
286
287&reg_dcdc3 {
288	regulator-always-on;
289	regulator-min-microvolt = <1000000>;
290	regulator-max-microvolt = <1400000>;
291	regulator-name = "vdd-int-dll";
292};
293
294&reg_ldo1 {
295	regulator-name = "vdd-rtc";
296};
297
298&reg_ldo2 {
299	regulator-always-on;
300	regulator-min-microvolt = <3000000>;
301	regulator-max-microvolt = <3000000>;
302	regulator-name = "avcc";
303};
304
305&reg_usb0_vbus {
306	status = "okay";
307};
308
309&reg_usb1_vbus {
310	status = "okay";
311};
312
313&reg_usb2_vbus {
314	status = "okay";
315};
316
317&spi1 {
318	pinctrl-names = "default";
319	pinctrl-0 = <&spi1_pins_a>,
320		    <&spi1_cs0_pins_a>;
321	status = "okay";
322};
323
324&spi2 {
325	pinctrl-names = "default";
326	pinctrl-0 = <&spi2_pins_a>,
327		    <&spi2_cs0_pins_a>;
328	status = "okay";
329};
330
331&uart0 {
332	pinctrl-names = "default";
333	pinctrl-0 = <&uart0_pins_a>;
334	status = "okay";
335};
336
337&uart6 {
338	pinctrl-names = "default";
339	pinctrl-0 = <&uart6_pins_a>;
340	status = "okay";
341};
342
343&uart7 {
344	pinctrl-names = "default";
345	pinctrl-0 = <&uart7_pins_a>;
346	status = "okay";
347};
348
349&usb_otg {
350	dr_mode = "otg";
351	status = "okay";
352};
353
354&usbphy {
355	pinctrl-names = "default";
356	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
357	usb0_id_det-gpios = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH04 */
358	usb0_vbus_det-gpios = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH05 */
359	usb0_vbus-supply = <&reg_usb0_vbus>;
360	usb1_vbus-supply = <&reg_usb1_vbus>;
361	usb2_vbus-supply = <&reg_usb2_vbus>;
362	status = "okay";
363};
364