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&ac_power_supply {
181	status = "okay";
182};
183
184&battery_power_supply {
185	status = "okay";
186};
187
188&reg_aldo1 {
189	regulator-always-on;
190	regulator-min-microvolt = <2800000>;
191	regulator-max-microvolt = <2800000>;
192	regulator-name = "vcc-pe";
193};
194
195&reg_aldo2 {
196	regulator-always-on;
197	regulator-min-microvolt = <3300000>;
198	regulator-max-microvolt = <3300000>;
199	regulator-name = "vcc-pl";
200};
201
202&reg_aldo3 {
203	regulator-always-on;
204	regulator-min-microvolt = <3000000>;
205	regulator-max-microvolt = <3000000>;
206	regulator-name = "vcc-pll-avcc";
207};
208
209&reg_dcdc1 {
210	regulator-always-on;
211	regulator-min-microvolt = <3300000>;
212	regulator-max-microvolt = <3300000>;
213	regulator-name = "vcc-3v3";
214};
215
216&reg_dcdc2 {
217	regulator-always-on;
218	regulator-min-microvolt = <1040000>;
219	regulator-max-microvolt = <1300000>;
220	regulator-name = "vdd-cpux";
221};
222
223/* DCDC3 is polyphased with DCDC2 */
224
225/*
226 * The board uses DDR3L DRAM chips. 1.36V is the closest to the nominal
227 * 1.35V that the PMIC can drive.
228 */
229&reg_dcdc5 {
230	regulator-always-on;
231	regulator-min-microvolt = <1360000>;
232	regulator-max-microvolt = <1360000>;
233	regulator-name = "vcc-ddr3";
234};
235
236&reg_dcdc6 {
237	regulator-always-on;
238	regulator-min-microvolt = <1100000>;
239	regulator-max-microvolt = <1100000>;
240	regulator-name = "vdd-sys";
241};
242
243&reg_dldo1 {
244	regulator-min-microvolt = <3300000>;
245	regulator-max-microvolt = <3300000>;
246	regulator-name = "vcc-hdmi";
247};
248
249&reg_dldo2 {
250	regulator-min-microvolt = <3300000>;
251	regulator-max-microvolt = <3300000>;
252	regulator-name = "vcc-mipi";
253};
254
255&reg_dldo3 {
256	regulator-min-microvolt = <2800000>;
257	regulator-max-microvolt = <2800000>;
258	regulator-name = "vcc-avdd-csi";
259};
260
261&reg_dldo4 {
262	regulator-min-microvolt = <3300000>;
263	regulator-max-microvolt = <3300000>;
264	regulator-name = "vcc-wifi-io";
265};
266
267&reg_drivevbus {
268	regulator-name = "usb0-vbus";
269	status = "okay";
270};
271
272&reg_eldo1 {
273	regulator-min-microvolt = <1800000>;
274	regulator-max-microvolt = <1800000>;
275	regulator-name = "cpvdd";
276};
277
278&reg_eldo2 {
279	regulator-min-microvolt = <1800000>;
280	regulator-max-microvolt = <1800000>;
281	regulator-name = "vcc-dvdd-csi";
282};
283
284&reg_fldo1 {
285	regulator-min-microvolt = <1200000>;
286	regulator-max-microvolt = <1200000>;
287	regulator-name = "vcc-1v2-hsic";
288};
289
290/*
291 * The A64 chip cannot work without this regulator off, although
292 * it seems to be only driving the AR100 core.
293 * Maybe we don't still know well about CPUs domain.
294 */
295&reg_fldo2 {
296	regulator-always-on;
297	regulator-min-microvolt = <1100000>;
298	regulator-max-microvolt = <1100000>;
299	regulator-name = "vdd-cpus";
300};
301
302&reg_rtc_ldo {
303	regulator-name = "vcc-rtc";
304};
305
306&simplefb_hdmi {
307	vcc-hdmi-supply = <&reg_dldo1>;
308};
309
310&uart0 {
311	pinctrl-names = "default";
312	pinctrl-0 = <&uart0_pb_pins>;
313	status = "okay";
314};
315
316&usb_otg {
317	dr_mode = "otg";
318	status = "okay";
319};
320
321&usbphy {
322	status = "okay";
323	usb0_id_det-gpios = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
324	usb0_vbus-supply = <&reg_drivevbus>;
325	usb1_vbus-supply = <&reg_usb1_vbus>;
326};
327