xref: /openbmc/linux/arch/arm64/boot/dts/allwinner/sun50i-a64-pine64.dts (revision 9977a8c3497a8f7f7f951994f298a8e4d961234f) 
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		ethernet0 = &emac;
55		serial0 = &uart0;
56		serial1 = &uart1;
57		serial2 = &uart2;
58		serial3 = &uart3;
59		serial4 = &uart4;
60	};
61
62	chosen {
63		stdout-path = "serial0:115200n8";
64	};
65};
66
67&ehci0 {
68	status = "okay";
69};
70
71&ehci1 {
72	status = "okay";
73};
74
75&emac {
76	pinctrl-names = "default";
77	pinctrl-0 = <&rmii_pins>;
78	phy-mode = "rmii";
79	phy-handle = <&ext_rmii_phy1>;
80	phy-supply = <&reg_dc1sw>;
81	status = "okay";
82
83};
84
85&i2c1 {
86	pinctrl-names = "default";
87	pinctrl-0 = <&i2c1_pins>;
88	status = "okay";
89};
90
91&i2c1_pins {
92	bias-pull-up;
93};
94
95&mdio {
96	ext_rmii_phy1: ethernet-phy@1 {
97		compatible = "ethernet-phy-ieee802.3-c22";
98		reg = <1>;
99	};
100};
101
102&mmc0 {
103	pinctrl-names = "default";
104	pinctrl-0 = <&mmc0_pins>;
105	vmmc-supply = <&reg_dcdc1>;
106	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
107	cd-inverted;
108	disable-wp;
109	bus-width = <4>;
110	status = "okay";
111};
112
113&ohci0 {
114	status = "okay";
115};
116
117&ohci1 {
118	status = "okay";
119};
120
121&r_rsb {
122	status = "okay";
123
124	axp803: pmic@3a3 {
125		compatible = "x-powers,axp803";
126		reg = <0x3a3>;
127		interrupt-parent = <&r_intc>;
128		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
129	};
130};
131
132#include "axp803.dtsi"
133
134&reg_aldo2 {
135	regulator-always-on;
136	regulator-min-microvolt = <1800000>;
137	regulator-max-microvolt = <3300000>;
138	regulator-name = "vcc-pl";
139};
140
141&reg_aldo3 {
142	regulator-always-on;
143	regulator-min-microvolt = <3000000>;
144	regulator-max-microvolt = <3000000>;
145	regulator-name = "vcc-pll-avcc";
146};
147
148&reg_dc1sw {
149	regulator-name = "vcc-phy";
150};
151
152&reg_dcdc1 {
153	regulator-always-on;
154	regulator-min-microvolt = <3300000>;
155	regulator-max-microvolt = <3300000>;
156	regulator-name = "vcc-3v3";
157};
158
159&reg_dcdc2 {
160	regulator-always-on;
161	regulator-min-microvolt = <1040000>;
162	regulator-max-microvolt = <1300000>;
163	regulator-name = "vdd-cpux";
164};
165
166/* DCDC3 is polyphased with DCDC2 */
167
168/*
169 * The DRAM chips used by Pine64 boards are DDR3L-compatible, so they can
170 * work at 1.35V with less power consumption.
171 * As AXP803 DCDC5 cannot reach 1.35V accurately, use 1.36V instead.
172 */
173&reg_dcdc5 {
174	regulator-always-on;
175	regulator-min-microvolt = <1360000>;
176	regulator-max-microvolt = <1360000>;
177	regulator-name = "vcc-dram";
178};
179
180&reg_dcdc6 {
181	regulator-always-on;
182	regulator-min-microvolt = <1100000>;
183	regulator-max-microvolt = <1100000>;
184	regulator-name = "vdd-sys";
185};
186
187&reg_dldo1 {
188	regulator-min-microvolt = <3300000>;
189	regulator-max-microvolt = <3300000>;
190	regulator-name = "vcc-hdmi";
191};
192
193&reg_dldo2 {
194	regulator-min-microvolt = <3300000>;
195	regulator-max-microvolt = <3300000>;
196	regulator-name = "vcc-mipi";
197};
198
199&reg_dldo4 {
200	regulator-min-microvolt = <3300000>;
201	regulator-max-microvolt = <3300000>;
202	regulator-name = "vcc-wifi";
203};
204
205&reg_eldo1 {
206	regulator-min-microvolt = <1800000>;
207	regulator-max-microvolt = <1800000>;
208	regulator-name = "cpvdd";
209};
210
211&reg_fldo1 {
212	regulator-min-microvolt = <1200000>;
213	regulator-max-microvolt = <1200000>;
214	regulator-name = "vcc-1v2-hsic";
215};
216
217/*
218 * The A64 chip cannot work without this regulator off, although
219 * it seems to be only driving the AR100 core.
220 * Maybe we don't still know well about CPUs domain.
221 */
222&reg_fldo2 {
223	regulator-always-on;
224	regulator-min-microvolt = <1100000>;
225	regulator-max-microvolt = <1100000>;
226	regulator-name = "vdd-cpus";
227};
228
229&reg_rtc_ldo {
230	regulator-name = "vcc-rtc";
231};
232
233/* On Exp and Euler connectors */
234&uart0 {
235	pinctrl-names = "default";
236	pinctrl-0 = <&uart0_pins_a>;
237	status = "okay";
238};
239
240/* On Wifi/BT connector, with RTS/CTS */
241&uart1 {
242	pinctrl-names = "default";
243	pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
244	status = "disabled";
245};
246
247/* On Pi-2 connector */
248&uart2 {
249	pinctrl-names = "default";
250	pinctrl-0 = <&uart2_pins>;
251	status = "disabled";
252};
253
254/* On Euler connector */
255&uart3 {
256	pinctrl-names = "default";
257	pinctrl-0 = <&uart3_pins>;
258	status = "disabled";
259};
260
261/* On Euler connector, RTS/CTS optional */
262&uart4 {
263	pinctrl-names = "default";
264	pinctrl-0 = <&uart4_pins>;
265	status = "disabled";
266};
267
268&usb_otg {
269	dr_mode = "host";
270	status = "okay";
271};
272
273&usbphy {
274	status = "okay";
275};
276