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1/*
2 * Copyright 2014 - Iain Paton <ipaton0@gmail.com>
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 *  a) This file is free software; you can redistribute it and/or
10 *     modify it under the terms of the GNU General Public License as
11 *     published by the Free Software Foundation; either version 2 of the
12 *     License, or (at your option) any later version.
13 *
14 *     This file is distributed in the hope that it will be useful,
15 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *     GNU General Public License for more details.
18 *
19 * Or, alternatively,
20 *
21 *  b) Permission is hereby granted, free of charge, to any person
22 *     obtaining a copy of this software and associated documentation
23 *     files (the "Software"), to deal in the Software without
24 *     restriction, including without limitation the rights to use,
25 *     copy, modify, merge, publish, distribute, sublicense, and/or
26 *     sell copies of the Software, and to permit persons to whom the
27 *     Software is furnished to do so, subject to the following
28 *     conditions:
29 *
30 *     The above copyright notice and this permission notice shall be
31 *     included in all copies or substantial portions of the Software.
32 *
33 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 *     OTHER DEALINGS IN THE SOFTWARE.
41 */
42
43/dts-v1/;
44#include "sun7i-a20.dtsi"
45#include "sunxi-common-regulators.dtsi"
46
47#include <dt-bindings/gpio/gpio.h>
48#include <dt-bindings/interrupt-controller/irq.h>
49
50/ {
51	model = "Olimex A20-OLinuXino-LIME2";
52	compatible = "olimex,a20-olinuxino-lime2", "allwinner,sun7i-a20";
53
54	aliases {
55		serial0 = &uart0;
56	};
57
58	chosen {
59		stdout-path = "serial0:115200n8";
60	};
61
62	leds {
63		compatible = "gpio-leds";
64		pinctrl-names = "default";
65		pinctrl-0 = <&led_pins_olinuxinolime>;
66
67		green {
68			label = "a20-olinuxino-lime2:green:usr";
69			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
70			default-state = "on";
71		};
72	};
73
74	reg_axp_ipsout: axp_ipsout {
75		compatible = "regulator-fixed";
76		regulator-name = "axp-ipsout";
77		regulator-min-microvolt = <5000000>;
78		regulator-max-microvolt = <5000000>;
79		regulator-always-on;
80	};
81};
82
83&ahci {
84	target-supply = <&reg_ahci_5v>;
85	status = "okay";
86};
87
88&ehci0 {
89	status = "okay";
90};
91
92&ehci1 {
93	status = "okay";
94};
95
96&gmac {
97	pinctrl-names = "default";
98	pinctrl-0 = <&gmac_pins_rgmii_a>;
99	phy = <&phy1>;
100	phy-mode = "rgmii";
101	status = "okay";
102
103	phy1: ethernet-phy@1 {
104		reg = <1>;
105	};
106};
107
108&i2c0 {
109	pinctrl-names = "default";
110	pinctrl-0 = <&i2c0_pins_a>;
111	status = "okay";
112
113	axp209: pmic@34 {
114		reg = <0x34>;
115		interrupt-parent = <&nmi_intc>;
116		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
117	};
118};
119
120&i2c1 {
121	pinctrl-names = "default";
122	pinctrl-0 = <&i2c1_pins_a>;
123	status = "okay";
124
125	eeprom: eeprom@50 {
126		compatible = "atmel,24c16";
127		reg = <0x50>;
128		pagesize = <16>;
129	};
130};
131
132&mmc0 {
133	pinctrl-names = "default";
134	pinctrl-0 = <&mmc0_pins_a>;
135	vmmc-supply = <&reg_vcc3v3>;
136	bus-width = <4>;
137	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
138	cd-inverted;
139	status = "okay";
140};
141
142&ohci0 {
143	status = "okay";
144};
145
146&ohci1 {
147	status = "okay";
148};
149
150&otg_sram {
151	status = "okay";
152};
153
154&pio {
155	ahci_pwr_pin_olinuxinolime: ahci_pwr_pin@1 {
156		pins = "PC3";
157		function = "gpio_out";
158	};
159
160	led_pins_olinuxinolime: led_pins@0 {
161		pins = "PH2";
162		function = "gpio_out";
163		drive-strength = <20>;
164	};
165
166	usb0_id_detect_pin: usb0_id_detect_pin@0 {
167		pins = "PH4";
168		function = "gpio_in";
169		bias-pull-up;
170	};
171
172	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
173		pins = "PH5";
174		function = "gpio_in";
175		bias-pull-down;
176	};
177
178	usb0_vbus_pin_lime2: usb0_vbus_pin@0 {
179		pins = "PC17";
180		function = "gpio_out";
181	};
182};
183
184&reg_ahci_5v {
185	pinctrl-0 = <&ahci_pwr_pin_olinuxinolime>;
186	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
187	status = "okay";
188};
189
190#include "axp209.dtsi"
191
192&reg_dcdc2 {
193	regulator-always-on;
194	regulator-min-microvolt = <1000000>;
195	regulator-max-microvolt = <1400000>;
196	regulator-name = "vdd-cpu";
197};
198
199&reg_dcdc3 {
200	regulator-always-on;
201	regulator-min-microvolt = <1000000>;
202	regulator-max-microvolt = <1400000>;
203	regulator-name = "vdd-int-dll";
204};
205
206&reg_ldo1 {
207	regulator-always-on;
208	regulator-min-microvolt = <1300000>;
209	regulator-max-microvolt = <1300000>;
210	regulator-name = "vdd-rtc";
211};
212
213&reg_ldo2 {
214	regulator-always-on;
215	regulator-min-microvolt = <3000000>;
216	regulator-max-microvolt = <3000000>;
217	regulator-name = "avcc";
218};
219
220&reg_ldo3 {
221	regulator-min-microvolt = <2800000>;
222	regulator-max-microvolt = <2800000>;
223	regulator-name = "vddio-csi0";
224};
225
226&reg_ldo4 {
227	regulator-min-microvolt = <2800000>;
228	regulator-max-microvolt = <2800000>;
229	regulator-name = "vddio-csi1";
230};
231
232&reg_usb0_vbus {
233	pinctrl-0 = <&usb0_vbus_pin_lime2>;
234	gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
235	status = "okay";
236};
237
238&reg_usb1_vbus {
239	status = "okay";
240};
241
242&reg_usb2_vbus {
243	status = "okay";
244};
245
246&uart0 {
247	pinctrl-names = "default";
248	pinctrl-0 = <&uart0_pins_a>;
249	status = "okay";
250};
251
252&usb_otg {
253	dr_mode = "otg";
254	status = "okay";
255};
256
257&usbphy {
258	pinctrl-names = "default";
259	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
260	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
261	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
262	usb0_vbus-supply = <&reg_usb0_vbus>;
263	usb1_vbus-supply = <&reg_usb1_vbus>;
264	usb2_vbus-supply = <&reg_usb2_vbus>;
265	status = "okay";
266};
267