1/*
2 * Copyright (c) 2016 ARM Ltd.
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 library 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 library 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
45#include "sun50i-a64.dtsi"
46
47#include <dt-bindings/gpio/gpio.h>
48
49/ {
50	model = "Pine64";
51	compatible = "pine64,pine64", "allwinner,sun50i-a64";
52
53	aliases {
54		serial0 = &uart0;
55		serial1 = &uart1;
56		serial2 = &uart2;
57		serial3 = &uart3;
58		serial4 = &uart4;
59	};
60
61	chosen {
62		stdout-path = "serial0:115200n8";
63	};
64
65	reg_vcc3v3: vcc3v3 {
66		compatible = "regulator-fixed";
67		regulator-name = "vcc3v3";
68		regulator-min-microvolt = <3300000>;
69		regulator-max-microvolt = <3300000>;
70	};
71};
72
73&ehci0 {
74	status = "okay";
75};
76
77&ehci1 {
78	status = "okay";
79};
80
81&i2c1 {
82	pinctrl-names = "default";
83	pinctrl-0 = <&i2c1_pins>;
84	status = "okay";
85};
86
87&i2c1_pins {
88	bias-pull-up;
89};
90
91&mmc0 {
92	pinctrl-names = "default";
93	pinctrl-0 = <&mmc0_pins>;
94	vmmc-supply = <&reg_vcc3v3>;
95	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
96	cd-inverted;
97	disable-wp;
98	bus-width = <4>;
99	status = "okay";
100};
101
102&ohci0 {
103	status = "okay";
104};
105
106&ohci1 {
107	status = "okay";
108};
109
110&r_rsb {
111	status = "okay";
112
113	axp803: pmic@3a3 {
114		compatible = "x-powers,axp803";
115		reg = <0x3a3>;
116		interrupt-parent = <&r_intc>;
117		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
118	};
119};
120
121#include "axp803.dtsi"
122
123&reg_aldo2 {
124	regulator-always-on;
125	regulator-min-microvolt = <1800000>;
126	regulator-max-microvolt = <3300000>;
127	regulator-name = "vcc-pl";
128};
129
130&reg_aldo3 {
131	regulator-always-on;
132	regulator-min-microvolt = <3000000>;
133	regulator-max-microvolt = <3000000>;
134	regulator-name = "vcc-pll-avcc";
135};
136
137&reg_dc1sw {
138	regulator-name = "vcc-phy";
139};
140
141&reg_dcdc1 {
142	regulator-always-on;
143	regulator-min-microvolt = <3300000>;
144	regulator-max-microvolt = <3300000>;
145	regulator-name = "vcc-3v3";
146};
147
148&reg_dcdc2 {
149	regulator-always-on;
150	regulator-min-microvolt = <1040000>;
151	regulator-max-microvolt = <1300000>;
152	regulator-name = "vdd-cpux";
153};
154
155/* DCDC3 is polyphased with DCDC2 */
156
157/*
158 * The DRAM chips used by Pine64 boards are DDR3L-compatible, so they can
159 * work at 1.35V with less power consumption.
160 * As AXP803 DCDC5 cannot reach 1.35V accurately, use 1.36V instead.
161 */
162&reg_dcdc5 {
163	regulator-always-on;
164	regulator-min-microvolt = <1360000>;
165	regulator-max-microvolt = <1360000>;
166	regulator-name = "vcc-dram";
167};
168
169&reg_dcdc6 {
170	regulator-always-on;
171	regulator-min-microvolt = <1100000>;
172	regulator-max-microvolt = <1100000>;
173	regulator-name = "vdd-sys";
174};
175
176&reg_dldo1 {
177	regulator-min-microvolt = <3300000>;
178	regulator-max-microvolt = <3300000>;
179	regulator-name = "vcc-hdmi";
180};
181
182&reg_dldo2 {
183	regulator-min-microvolt = <3300000>;
184	regulator-max-microvolt = <3300000>;
185	regulator-name = "vcc-mipi";
186};
187
188&reg_dldo4 {
189	regulator-min-microvolt = <3300000>;
190	regulator-max-microvolt = <3300000>;
191	regulator-name = "vcc-wifi";
192};
193
194&reg_eldo1 {
195	regulator-min-microvolt = <1800000>;
196	regulator-max-microvolt = <1800000>;
197	regulator-name = "cpvdd";
198};
199
200&reg_fldo1 {
201	regulator-min-microvolt = <1200000>;
202	regulator-max-microvolt = <1200000>;
203	regulator-name = "vcc-1v2-hsic";
204};
205
206/*
207 * The A64 chip cannot work without this regulator off, although
208 * it seems to be only driving the AR100 core.
209 * Maybe we don't still know well about CPUs domain.
210 */
211&reg_fldo2 {
212	regulator-always-on;
213	regulator-min-microvolt = <1100000>;
214	regulator-max-microvolt = <1100000>;
215	regulator-name = "vdd-cpus";
216};
217
218&reg_rtc_ldo {
219	regulator-name = "vcc-rtc";
220};
221
222/* On Exp and Euler connectors */
223&uart0 {
224	pinctrl-names = "default";
225	pinctrl-0 = <&uart0_pins_a>;
226	status = "okay";
227};
228
229/* On Wifi/BT connector, with RTS/CTS */
230&uart1 {
231	pinctrl-names = "default";
232	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
233	status = "disabled";
234};
235
236/* On Pi-2 connector */
237&uart2 {
238	pinctrl-names = "default";
239	pinctrl-0 = <&uart2_pins>;
240	status = "disabled";
241};
242
243/* On Euler connector */
244&uart3 {
245	pinctrl-names = "default";
246	pinctrl-0 = <&uart3_pins>;
247	status = "disabled";
248};
249
250/* On Euler connector, RTS/CTS optional */
251&uart4 {
252	pinctrl-names = "default";
253	pinctrl-0 = <&uart4_pins>;
254	status = "disabled";
255};
256
257&usb_otg {
258	dr_mode = "host";
259	status = "okay";
260};
261
262&usbphy {
263	status = "okay";
264};
265