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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#include <dt-bindings/pinctrl/sun4i-a10.h>
50
51/ {
52	model = "Olimex A20-OLinuXino-LIME2";
53	compatible = "olimex,a20-olinuxino-lime2", "allwinner,sun7i-a20";
54
55	aliases {
56		serial0 = &uart0;
57	};
58
59	chosen {
60		stdout-path = "serial0:115200n8";
61	};
62
63	leds {
64		compatible = "gpio-leds";
65		pinctrl-names = "default";
66		pinctrl-0 = <&led_pins_olinuxinolime>;
67
68		green {
69			label = "a20-olinuxino-lime2:green:usr";
70			gpios = <&pio 7 2 GPIO_ACTIVE_HIGH>;
71			default-state = "on";
72		};
73	};
74
75	reg_axp_ipsout: axp_ipsout {
76		compatible = "regulator-fixed";
77		regulator-name = "axp-ipsout";
78		regulator-min-microvolt = <5000000>;
79		regulator-max-microvolt = <5000000>;
80		regulator-always-on;
81	};
82};
83
84&ahci {
85	target-supply = <&reg_ahci_5v>;
86	status = "okay";
87};
88
89&ehci0 {
90	status = "okay";
91};
92
93&ehci1 {
94	status = "okay";
95};
96
97&gmac {
98	pinctrl-names = "default";
99	pinctrl-0 = <&gmac_pins_rgmii_a>;
100	phy = <&phy1>;
101	phy-mode = "rgmii";
102	status = "okay";
103
104	phy1: ethernet-phy@1 {
105		reg = <1>;
106	};
107};
108
109&i2c0 {
110	pinctrl-names = "default";
111	pinctrl-0 = <&i2c0_pins_a>;
112	status = "okay";
113
114	axp209: pmic@34 {
115		compatible = "x-powers,axp209";
116		reg = <0x34>;
117		interrupt-parent = <&nmi_intc>;
118		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
119
120		interrupt-controller;
121		#interrupt-cells = <1>;
122
123		acin-supply = <&reg_axp_ipsout>;
124		vin2-supply = <&reg_axp_ipsout>;
125		vin3-supply = <&reg_axp_ipsout>;
126		ldo24in-supply = <&reg_axp_ipsout>;
127		ldo3in-supply = <&reg_axp_ipsout>;
128
129		regulators {
130			vdd_rtc: ldo1 {
131				regulator-min-microvolt = <1300000>;
132				regulator-max-microvolt = <1300000>;
133				regulator-always-on;
134			};
135
136			avcc: ldo2 {
137				regulator-min-microvolt = <1800000>;
138				regulator-max-microvolt = <3300000>;
139				regulator-always-on;
140			};
141
142			vcc_csi0: ldo3 {
143				regulator-min-microvolt = <700000>;
144				regulator-max-microvolt = <3500000>;
145				regulator-always-on;
146			};
147
148			vcc_csi1: ldo4 {
149				regulator-min-microvolt = <1250000>;
150				regulator-max-microvolt = <3300000>;
151				regulator-always-on;
152			};
153
154			vdd_cpu: dcdc2 {
155				regulator-min-microvolt = <700000>;
156				regulator-max-microvolt = <2275000>;
157				regulator-always-on;
158			};
159
160			vdd_int: dcdc3 {
161				regulator-min-microvolt = <700000>;
162				regulator-max-microvolt = <3500000>;
163				regulator-always-on;
164			};
165		};
166	};
167};
168
169&i2c1 {
170	pinctrl-names = "default";
171	pinctrl-0 = <&i2c1_pins_a>;
172	status = "okay";
173
174	eeprom: eeprom@50 {
175		compatible = "atmel,24c16";
176		reg = <0x50>;
177		pagesize = <16>;
178	};
179};
180
181&mmc0 {
182	pinctrl-names = "default";
183	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
184	vmmc-supply = <&reg_vcc3v3>;
185	bus-width = <4>;
186	cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */
187	cd-inverted;
188	status = "okay";
189};
190
191&ohci0 {
192	status = "okay";
193};
194
195&ohci1 {
196	status = "okay";
197};
198
199&otg_sram {
200	status = "okay";
201};
202
203&pio {
204	ahci_pwr_pin_olinuxinolime: ahci_pwr_pin@1 {
205		allwinner,pins = "PC3";
206		allwinner,function = "gpio_out";
207		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
208		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
209	};
210
211	led_pins_olinuxinolime: led_pins@0 {
212		allwinner,pins = "PH2";
213		allwinner,function = "gpio_out";
214		allwinner,drive = <SUN4I_PINCTRL_20_MA>;
215		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
216	};
217
218	usb0_id_detect_pin: usb0_id_detect_pin@0 {
219		allwinner,pins = "PH4";
220		allwinner,function = "gpio_in";
221		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
222		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
223	};
224
225	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
226		allwinner,pins = "PH5";
227		allwinner,function = "gpio_in";
228		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
229		allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>;
230	};
231
232	usb0_vbus_pin_lime2: usb0_vbus_pin@0 {
233		allwinner,pins = "PC17";
234		allwinner,function = "gpio_out";
235		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
236		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
237	};
238};
239
240&reg_ahci_5v {
241	pinctrl-0 = <&ahci_pwr_pin_olinuxinolime>;
242	gpio = <&pio 2 3 GPIO_ACTIVE_HIGH>;
243	status = "okay";
244};
245
246&reg_usb0_vbus {
247	pinctrl-0 = <&usb0_vbus_pin_lime2>;
248	gpio = <&pio 2 17 GPIO_ACTIVE_HIGH>;
249	status = "okay";
250};
251
252&reg_usb1_vbus {
253	status = "okay";
254};
255
256&reg_usb2_vbus {
257	status = "okay";
258};
259
260&uart0 {
261	pinctrl-names = "default";
262	pinctrl-0 = <&uart0_pins_a>;
263	status = "okay";
264};
265
266&usb_otg {
267	dr_mode = "otg";
268	status = "okay";
269};
270
271&usbphy {
272	pinctrl-names = "default";
273	pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>;
274	usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */
275	usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */
276	usb0_vbus-supply = <&reg_usb0_vbus>;
277	usb1_vbus-supply = <&reg_usb1_vbus>;
278	usb2_vbus-supply = <&reg_usb2_vbus>;
279	status = "okay";
280};
281