1/*
2 * Copyright (C) 2017 Jagan Teki <jteki@openedev.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 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 = "Olimex A64-Olinuxino";
51	compatible = "olimex,a64-olinuxino", "allwinner,sun50i-a64";
52
53	aliases {
54		serial0 = &uart0;
55	};
56
57	chosen {
58		stdout-path = "serial0:115200n8";
59	};
60
61	wifi_pwrseq: wifi_pwrseq {
62		compatible = "mmc-pwrseq-simple";
63		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
64	};
65};
66
67&mmc0 {
68	pinctrl-names = "default";
69	pinctrl-0 = <&mmc0_pins>;
70	vmmc-supply = <&reg_dcdc1>;
71	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
72	disable-wp;
73	bus-width = <4>;
74	status = "okay";
75};
76
77&mmc1 {
78	pinctrl-names = "default";
79	pinctrl-0 = <&mmc1_pins>;
80	vmmc-supply = <&reg_aldo2>;
81	vqmmc-supply = <&reg_dldo4>;
82	mmc-pwrseq = <&wifi_pwrseq>;
83	bus-width = <4>;
84	non-removable;
85	status = "okay";
86
87	rtl8723bs: wifi@1 {
88		reg = <1>;
89		interrupt-parent = <&r_pio>;
90		interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */
91		interrupt-names = "host-wake";
92	};
93};
94
95&r_rsb {
96	status = "okay";
97
98	axp803: pmic@3a3 {
99		compatible = "x-powers,axp803";
100		reg = <0x3a3>;
101		interrupt-parent = <&r_intc>;
102		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
103	};
104};
105
106#include "axp803.dtsi"
107
108&reg_aldo1 {
109	regulator-always-on;
110	regulator-min-microvolt = <2800000>;
111	regulator-max-microvolt = <2800000>;
112	regulator-name = "vcc-pe";
113};
114
115&reg_aldo2 {
116	regulator-always-on;
117	regulator-min-microvolt = <3300000>;
118	regulator-max-microvolt = <3300000>;
119	regulator-name = "vcc-pl";
120};
121
122&reg_aldo3 {
123	regulator-always-on;
124	regulator-min-microvolt = <3000000>;
125	regulator-max-microvolt = <3000000>;
126	regulator-name = "vcc-pll-avcc";
127};
128
129&reg_dcdc1 {
130	regulator-always-on;
131	regulator-min-microvolt = <3300000>;
132	regulator-max-microvolt = <3300000>;
133	regulator-name = "vcc-3v3";
134};
135
136&reg_dcdc2 {
137	regulator-always-on;
138	regulator-min-microvolt = <1040000>;
139	regulator-max-microvolt = <1300000>;
140	regulator-name = "vdd-cpux";
141};
142
143/* DCDC3 is polyphased with DCDC2 */
144
145&reg_dcdc5 {
146	regulator-always-on;
147	regulator-min-microvolt = <1500000>;
148	regulator-max-microvolt = <1500000>;
149	regulator-name = "vcc-ddr3";
150};
151
152&reg_dcdc6 {
153	regulator-always-on;
154	regulator-min-microvolt = <1100000>;
155	regulator-max-microvolt = <1100000>;
156	regulator-name = "vdd-sys";
157};
158
159&reg_dldo1 {
160	regulator-min-microvolt = <3300000>;
161	regulator-max-microvolt = <3300000>;
162	regulator-name = "vcc-hdmi";
163};
164
165&reg_dldo2 {
166	regulator-min-microvolt = <3300000>;
167	regulator-max-microvolt = <3300000>;
168	regulator-name = "vcc-mipi";
169};
170
171&reg_dldo3 {
172	regulator-min-microvolt = <2800000>;
173	regulator-max-microvolt = <2800000>;
174	regulator-name = "vcc-avdd-csi";
175};
176
177&reg_dldo4 {
178	regulator-min-microvolt = <3300000>;
179	regulator-max-microvolt = <3300000>;
180	regulator-name = "vcc-wifi-io";
181};
182
183&reg_eldo1 {
184	regulator-min-microvolt = <1800000>;
185	regulator-max-microvolt = <1800000>;
186	regulator-name = "cpvdd";
187};
188
189&reg_eldo2 {
190	regulator-min-microvolt = <1800000>;
191	regulator-max-microvolt = <1800000>;
192	regulator-name = "vcc-dvdd-csi";
193};
194
195&reg_fldo1 {
196	regulator-min-microvolt = <1200000>;
197	regulator-max-microvolt = <1200000>;
198	regulator-name = "vcc-1v2-hsic";
199};
200
201/*
202 * The A64 chip cannot work without this regulator off, although
203 * it seems to be only driving the AR100 core.
204 * Maybe we don't still know well about CPUs domain.
205 */
206&reg_fldo2 {
207	regulator-always-on;
208	regulator-min-microvolt = <1100000>;
209	regulator-max-microvolt = <1100000>;
210	regulator-name = "vdd-cpus";
211};
212
213&reg_rtc_ldo {
214	regulator-name = "vcc-rtc";
215};
216
217&uart0 {
218	pinctrl-names = "default";
219	pinctrl-0 = <&uart0_pins_a>;
220	status = "okay";
221};
222