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1/*
2 * Copyright 2015 Tyler Baker
3 *
4 * Tyler Baker <tyler.baker@linaro.org>
5 * Chen-Yu Tsai <wens@csie.org>
6 *
7 * This file is dual-licensed: you can use it either under the terms
8 * of the GPL or the X11 license, at your option. Note that this dual
9 * licensing only applies to this file, and not this project as a
10 * whole.
11 *
12 *  a) This file is free software; you can redistribute it and/or
13 *     modify it under the terms of the GNU General Public License as
14 *     published by the Free Software Foundation; either version 2 of the
15 *     License, or (at your option) any later version.
16 *
17 *     This file is distributed in the hope that it will be useful,
18 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
19 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 *     GNU General Public License for more details.
21 *
22 * Or, alternatively,
23 *
24 *  b) Permission is hereby granted, free of charge, to any person
25 *     obtaining a copy of this software and associated documentation
26 *     files (the "Software"), to deal in the Software without
27 *     restriction, including without limitation the rights to use,
28 *     copy, modify, merge, publish, distribute, sublicense, and/or
29 *     sell copies of the Software, and to permit persons to whom the
30 *     Software is furnished to do so, subject to the following
31 *     conditions:
32 *
33 *     The above copyright notice and this permission notice shall be
34 *     included in all copies or substantial portions of the Software.
35 *
36 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
37 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
38 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
39 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
40 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
41 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
42 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
43 *     OTHER DEALINGS IN THE SOFTWARE.
44 */
45
46/dts-v1/;
47#include "sun9i-a80.dtsi"
48
49#include <dt-bindings/gpio/gpio.h>
50#include <dt-bindings/pinctrl/sun4i-a10.h>
51
52/ {
53	model = "Cubietech Cubieboard4";
54	compatible = "cubietech,a80-cubieboard4", "allwinner,sun9i-a80";
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_cubieboard4>;
68
69		green {
70			label = "cubieboard4:green:usr";
71			gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */
72		};
73
74		red {
75			label = "cubieboard4:red:usr";
76			gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
77		};
78	};
79};
80
81&mmc0 {
82	pinctrl-names = "default";
83	pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cubieboard4>;
84	vmmc-supply = <&reg_dcdc1>;
85	bus-width = <4>;
86	cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH18 */
87	cd-inverted;
88	status = "okay";
89};
90
91&mmc2 {
92	pinctrl-names = "default";
93	pinctrl-0 = <&mmc2_8bit_pins>;
94	vmmc-supply = <&reg_dcdc1>;
95	bus-width = <8>;
96	non-removable;
97	cap-mmc-hw-reset;
98	status = "okay";
99};
100
101&mmc2_8bit_pins {
102	/* Increase drive strength for DDR modes */
103	allwinner,drive = <SUN4I_PINCTRL_40_MA>;
104};
105
106&pio {
107	led_pins_cubieboard4: led-pins@0 {
108		allwinner,pins = "PH6", "PH17";
109		allwinner,function = "gpio_out";
110		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
111		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
112	};
113
114	mmc0_cd_pin_cubieboard4: mmc0_cd_pin@0 {
115		allwinner,pins = "PH18";
116		allwinner,function = "gpio_in";
117		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
118		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
119	};
120};
121
122&r_ir {
123	status = "okay";
124};
125
126&r_rsb {
127	status = "okay";
128
129	axp809: pmic@3a3 {
130		reg = <0x3a3>;
131		interrupt-parent = <&nmi_intc>;
132		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
133
134		regulators {
135			reg_aldo1: aldo1 {
136				/*
137				 * TODO: This should be handled by the
138				 * USB PHY driver.
139				 */
140				regulator-always-on;
141				regulator-min-microvolt = <3000000>;
142				regulator-max-microvolt = <3000000>;
143				regulator-name = "vcc33-usbh";
144			};
145
146			reg_aldo2: aldo2 {
147				regulator-min-microvolt = <1800000>;
148				regulator-max-microvolt = <1800000>;
149				regulator-name = "vcc-pb-io-cam";
150			};
151
152			aldo3 {
153				/* unused */
154			};
155
156			reg_dc5ldo: dc5ldo {
157				regulator-always-on;
158				regulator-min-microvolt = <800000>;
159				regulator-max-microvolt = <1100000>;
160				regulator-name = "vdd-cpus-09-usbh";
161			};
162
163			reg_dcdc1: dcdc1 {
164				regulator-always-on;
165				regulator-min-microvolt = <3000000>;
166				regulator-max-microvolt = <3000000>;
167				regulator-name = "vcc-3v";
168			};
169
170			reg_dcdc2: dcdc2 {
171				regulator-min-microvolt = <800000>;
172				regulator-max-microvolt = <1100000>;
173				regulator-name = "vdd-gpu";
174			};
175
176			reg_dcdc3: dcdc3 {
177				regulator-always-on;
178				regulator-min-microvolt = <800000>;
179				regulator-max-microvolt = <1100000>;
180				regulator-name = "vdd-cpua";
181			};
182
183			reg_dcdc4: dcdc4 {
184				regulator-always-on;
185				regulator-min-microvolt = <800000>;
186				regulator-max-microvolt = <1100000>;
187				regulator-name = "vdd-sys-usb0-hdmi";
188			};
189
190			reg_dcdc5: dcdc5 {
191				regulator-always-on;
192				regulator-min-microvolt = <1425000>;
193				regulator-max-microvolt = <1575000>;
194				regulator-name = "vcc-dram";
195			};
196
197			reg_dldo1: dldo1 {
198				/*
199				 * The WiFi chip supports a wide range
200				 * (3.0 ~ 4.8V) of voltages, and so does
201				 * this regulator (3.0 ~ 4.2V), but
202				 * Allwinner SDK always sets it to 3.3V.
203				 */
204				regulator-min-microvolt = <3300000>;
205				regulator-max-microvolt = <3300000>;
206				regulator-name = "vcc-wifi";
207			};
208
209			reg_dldo2: dldo2 {
210				regulator-always-on;
211				regulator-min-microvolt = <3000000>;
212				regulator-max-microvolt = <3000000>;
213				regulator-name = "vcc-pl";
214			};
215
216			reg_eldo1: eldo1 {
217				regulator-min-microvolt = <1200000>;
218				regulator-max-microvolt = <1200000>;
219				regulator-name = "vcc-dvdd-cam";
220			};
221
222			reg_eldo2: eldo2 {
223				regulator-min-microvolt = <1800000>;
224				regulator-max-microvolt = <1800000>;
225				regulator-name = "vcc-pe";
226			};
227
228			reg_eldo3: eldo3 {
229				regulator-always-on;
230				regulator-min-microvolt = <3000000>;
231				regulator-max-microvolt = <3000000>;
232				regulator-name = "vcc-pm-codec-io1";
233			};
234
235			reg_ldo_io0: ldo_io0 {
236				regulator-always-on;
237				regulator-min-microvolt = <3000000>;
238				regulator-max-microvolt = <3000000>;
239				regulator-name = "vcc-pg";
240			};
241
242			reg_ldo_io1: ldo_io1 {
243				regulator-min-microvolt = <2500000>;
244				regulator-max-microvolt = <2500000>;
245				regulator-name = "vcc-pa-gmac-2v5";
246			};
247
248			reg_rtc_ldo: rtc_ldo {
249				regulator-name = "vcc-rtc-vdd1v8-io";
250			};
251		};
252	};
253};
254
255#include "axp809.dtsi"
256
257&uart0 {
258	pinctrl-names = "default";
259	pinctrl-0 = <&uart0_pins_a>;
260	status = "okay";
261};
262