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		ethernet0 = &emac;
55		serial0 = &uart0;
56	};
57
58	chosen {
59		stdout-path = "serial0:115200n8";
60	};
61
62	hdmi-connector {
63		compatible = "hdmi-connector";
64		type = "a";
65
66		port {
67			hdmi_con_in: endpoint {
68				remote-endpoint = <&hdmi_out_con>;
69			};
70		};
71	};
72
73	reg_usb1_vbus: usb1-vbus {
74		compatible = "regulator-fixed";
75		regulator-name = "usb1-vbus";
76		regulator-min-microvolt = <5000000>;
77		regulator-max-microvolt = <5000000>;
78		regulator-boot-on;
79		enable-active-high;
80		gpio = <&pio 6 9 GPIO_ACTIVE_HIGH>; /* PG9 */
81		status = "okay";
82	};
83
84	wifi_pwrseq: wifi_pwrseq {
85		compatible = "mmc-pwrseq-simple";
86		reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */
87	};
88};
89
90&de {
91	status = "okay";
92};
93
94&ehci0 {
95	status = "okay";
96};
97
98&ehci1 {
99	status = "okay";
100};
101
102&emac {
103	pinctrl-names = "default";
104	pinctrl-0 = <&rgmii_pins>;
105	phy-mode = "rgmii";
106	phy-handle = <&ext_rgmii_phy>;
107	phy-supply = <&reg_dcdc1>;
108	allwinner,tx-delay-ps = <600>;
109	status = "okay";
110};
111
112&hdmi {
113	hvcc-supply = <&reg_dldo1>;
114	status = "okay";
115};
116
117&hdmi_out {
118	hdmi_out_con: endpoint {
119		remote-endpoint = <&hdmi_con_in>;
120	};
121};
122
123&mdio {
124	ext_rgmii_phy: ethernet-phy@1 {
125		compatible = "ethernet-phy-ieee802.3-c22";
126		reg = <1>;
127	};
128};
129
130&mmc0 {
131	pinctrl-names = "default";
132	pinctrl-0 = <&mmc0_pins>;
133	vmmc-supply = <&reg_dcdc1>;
134	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
135	disable-wp;
136	bus-width = <4>;
137	status = "okay";
138};
139
140&mmc1 {
141	pinctrl-names = "default";
142	pinctrl-0 = <&mmc1_pins>;
143	vmmc-supply = <&reg_aldo2>;
144	vqmmc-supply = <&reg_dldo4>;
145	mmc-pwrseq = <&wifi_pwrseq>;
146	bus-width = <4>;
147	non-removable;
148	status = "okay";
149
150	rtl8723bs: wifi@1 {
151		reg = <1>;
152		interrupt-parent = <&r_pio>;
153		interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */
154		interrupt-names = "host-wake";
155	};
156};
157
158&ohci0 {
159	status = "okay";
160};
161
162&ohci1 {
163	status = "okay";
164};
165
166&r_rsb {
167	status = "okay";
168
169	axp803: pmic@3a3 {
170		compatible = "x-powers,axp803";
171		reg = <0x3a3>;
172		interrupt-parent = <&r_intc>;
173		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
174		x-powers,drive-vbus-en;	/* set N_VBUSEN as output pin */
175	};
176};
177
178#include "axp803.dtsi"
179
180&reg_aldo1 {
181	regulator-always-on;
182	regulator-min-microvolt = <2800000>;
183	regulator-max-microvolt = <2800000>;
184	regulator-name = "vcc-pe";
185};
186
187&reg_aldo2 {
188	regulator-always-on;
189	regulator-min-microvolt = <3300000>;
190	regulator-max-microvolt = <3300000>;
191	regulator-name = "vcc-pl";
192};
193
194&reg_aldo3 {
195	regulator-always-on;
196	regulator-min-microvolt = <3000000>;
197	regulator-max-microvolt = <3000000>;
198	regulator-name = "vcc-pll-avcc";
199};
200
201&reg_dcdc1 {
202	regulator-always-on;
203	regulator-min-microvolt = <3300000>;
204	regulator-max-microvolt = <3300000>;
205	regulator-name = "vcc-3v3";
206};
207
208&reg_dcdc2 {
209	regulator-always-on;
210	regulator-min-microvolt = <1040000>;
211	regulator-max-microvolt = <1300000>;
212	regulator-name = "vdd-cpux";
213};
214
215/* DCDC3 is polyphased with DCDC2 */
216
217/*
218 * The board uses DDR3L DRAM chips. 1.36V is the closest to the nominal
219 * 1.35V that the PMIC can drive.
220 */
221&reg_dcdc5 {
222	regulator-always-on;
223	regulator-min-microvolt = <1360000>;
224	regulator-max-microvolt = <1360000>;
225	regulator-name = "vcc-ddr3";
226};
227
228&reg_dcdc6 {
229	regulator-always-on;
230	regulator-min-microvolt = <1100000>;
231	regulator-max-microvolt = <1100000>;
232	regulator-name = "vdd-sys";
233};
234
235&reg_dldo1 {
236	regulator-min-microvolt = <3300000>;
237	regulator-max-microvolt = <3300000>;
238	regulator-name = "vcc-hdmi";
239};
240
241&reg_dldo2 {
242	regulator-min-microvolt = <3300000>;
243	regulator-max-microvolt = <3300000>;
244	regulator-name = "vcc-mipi";
245};
246
247&reg_dldo3 {
248	regulator-min-microvolt = <2800000>;
249	regulator-max-microvolt = <2800000>;
250	regulator-name = "vcc-avdd-csi";
251};
252
253&reg_dldo4 {
254	regulator-min-microvolt = <3300000>;
255	regulator-max-microvolt = <3300000>;
256	regulator-name = "vcc-wifi-io";
257};
258
259&reg_drivevbus {
260	regulator-name = "usb0-vbus";
261	status = "okay";
262};
263
264&reg_eldo1 {
265	regulator-min-microvolt = <1800000>;
266	regulator-max-microvolt = <1800000>;
267	regulator-name = "cpvdd";
268};
269
270&reg_eldo2 {
271	regulator-min-microvolt = <1800000>;
272	regulator-max-microvolt = <1800000>;
273	regulator-name = "vcc-dvdd-csi";
274};
275
276&reg_fldo1 {
277	regulator-min-microvolt = <1200000>;
278	regulator-max-microvolt = <1200000>;
279	regulator-name = "vcc-1v2-hsic";
280};
281
282/*
283 * The A64 chip cannot work without this regulator off, although
284 * it seems to be only driving the AR100 core.
285 * Maybe we don't still know well about CPUs domain.
286 */
287&reg_fldo2 {
288	regulator-always-on;
289	regulator-min-microvolt = <1100000>;
290	regulator-max-microvolt = <1100000>;
291	regulator-name = "vdd-cpus";
292};
293
294&reg_rtc_ldo {
295	regulator-name = "vcc-rtc";
296};
297
298&simplefb_hdmi {
299	vcc-hdmi-supply = <&reg_dldo1>;
300};
301
302&uart0 {
303	pinctrl-names = "default";
304	pinctrl-0 = <&uart0_pb_pins>;
305	status = "okay";
306};
307
308&usb_otg {
309	dr_mode = "otg";
310	status = "okay";
311};
312
313&usbphy {
314	status = "okay";
315	usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
316	usb0_vbus-supply = <&reg_drivevbus>;
317	usb1_vbus-supply = <&reg_usb1_vbus>;
318};
319