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_HIGH>;
72	cd-inverted;
73	disable-wp;
74	bus-width = <4>;
75	status = "okay";
76};
77
78&mmc1 {
79	pinctrl-names = "default";
80	pinctrl-0 = <&mmc1_pins>;
81	vmmc-supply = <&reg_aldo2>;
82	vqmmc-supply = <&reg_dldo4>;
83	mmc-pwrseq = <&wifi_pwrseq>;
84	bus-width = <4>;
85	non-removable;
86	status = "okay";
87
88	rtl8723bs: wifi@1 {
89		reg = <1>;
90		interrupt-parent = <&r_pio>;
91		interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */
92		interrupt-names = "host-wake";
93	};
94};
95
96&r_rsb {
97	status = "okay";
98
99	axp803: pmic@3a3 {
100		compatible = "x-powers,axp803";
101		reg = <0x3a3>;
102		interrupt-parent = <&r_intc>;
103		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
104	};
105};
106
107#include "axp803.dtsi"
108
109&reg_aldo1 {
110	regulator-always-on;
111	regulator-min-microvolt = <2800000>;
112	regulator-max-microvolt = <2800000>;
113	regulator-name = "vcc-pe";
114};
115
116&reg_aldo2 {
117	regulator-always-on;
118	regulator-min-microvolt = <3300000>;
119	regulator-max-microvolt = <3300000>;
120	regulator-name = "vcc-pl";
121};
122
123&reg_aldo3 {
124	regulator-always-on;
125	regulator-min-microvolt = <3000000>;
126	regulator-max-microvolt = <3000000>;
127	regulator-name = "vcc-pll-avcc";
128};
129
130&reg_dcdc1 {
131	regulator-always-on;
132	regulator-min-microvolt = <3300000>;
133	regulator-max-microvolt = <3300000>;
134	regulator-name = "vcc-3v3";
135};
136
137&reg_dcdc2 {
138	regulator-always-on;
139	regulator-min-microvolt = <1040000>;
140	regulator-max-microvolt = <1300000>;
141	regulator-name = "vdd-cpux";
142};
143
144/* DCDC3 is polyphased with DCDC2 */
145
146&reg_dcdc5 {
147	regulator-always-on;
148	regulator-min-microvolt = <1500000>;
149	regulator-max-microvolt = <1500000>;
150	regulator-name = "vcc-ddr3";
151};
152
153&reg_dcdc6 {
154	regulator-always-on;
155	regulator-min-microvolt = <1100000>;
156	regulator-max-microvolt = <1100000>;
157	regulator-name = "vdd-sys";
158};
159
160&reg_dldo1 {
161	regulator-min-microvolt = <3300000>;
162	regulator-max-microvolt = <3300000>;
163	regulator-name = "vcc-hdmi";
164};
165
166&reg_dldo2 {
167	regulator-min-microvolt = <3300000>;
168	regulator-max-microvolt = <3300000>;
169	regulator-name = "vcc-mipi";
170};
171
172&reg_dldo3 {
173	regulator-min-microvolt = <2800000>;
174	regulator-max-microvolt = <2800000>;
175	regulator-name = "vcc-avdd-csi";
176};
177
178&reg_dldo4 {
179	regulator-min-microvolt = <3300000>;
180	regulator-max-microvolt = <3300000>;
181	regulator-name = "vcc-wifi-io";
182};
183
184&reg_eldo1 {
185	regulator-min-microvolt = <1800000>;
186	regulator-max-microvolt = <1800000>;
187	regulator-name = "cpvdd";
188};
189
190&reg_eldo2 {
191	regulator-min-microvolt = <1800000>;
192	regulator-max-microvolt = <1800000>;
193	regulator-name = "vcc-dvdd-csi";
194};
195
196&reg_fldo1 {
197	regulator-min-microvolt = <1200000>;
198	regulator-max-microvolt = <1200000>;
199	regulator-name = "vcc-1v2-hsic";
200};
201
202/*
203 * The A64 chip cannot work without this regulator off, although
204 * it seems to be only driving the AR100 core.
205 * Maybe we don't still know well about CPUs domain.
206 */
207&reg_fldo2 {
208	regulator-always-on;
209	regulator-min-microvolt = <1100000>;
210	regulator-max-microvolt = <1100000>;
211	regulator-name = "vdd-cpus";
212};
213
214&reg_rtc_ldo {
215	regulator-name = "vcc-rtc";
216};
217
218&uart0 {
219	pinctrl-names = "default";
220	pinctrl-0 = <&uart0_pins_a>;
221	status = "okay";
222};
223