1/*
2 * Copyright 2015 Vishnu Patekar
3 * Vishnu Patekar <vishnupatekar0510@gmail.com>
4 *
5 * This file is dual-licensed: you can use it either under the terms
6 * of the GPL or the X11 license, at your option. Note that this dual
7 * licensing only applies to this file, and not this project as a
8 * whole.
9 *
10 *  a) This file is free software; you can redistribute it and/or
11 *     modify it under the terms of the GNU General Public License as
12 *     published by the Free Software Foundation; either version 2 of the
13 *     License, or (at your option) any later version.
14 *
15 *     This file is distributed in the hope that it will be useful,
16 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *     GNU General Public License for more details.
19 *
20 * Or, alternatively,
21 *
22 *  b) Permission is hereby granted, free of charge, to any person
23 *     obtaining a copy of this software and associated documentation
24 *     files (the "Software"), to deal in the Software without
25 *     restriction, including without limitation the rights to use,
26 *     copy, modify, merge, publish, distribute, sublicense, and/or
27 *     sell copies of the Software, and to permit persons to whom the
28 *     Software is furnished to do so, subject to the following
29 *     conditions:
30 *
31 *     The above copyright notice and this permission notice shall be
32 *     included in all copies or substantial portions of the Software.
33 *
34 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
35 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
36 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
37 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
38 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
39 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
40 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
41 *     OTHER DEALINGS IN THE SOFTWARE.
42 */
43
44/dts-v1/;
45#include "sun8i-a83t.dtsi"
46
47#include <dt-bindings/gpio/gpio.h>
48
49/ {
50	model = "Allwinner A83T H8Homlet Proto Dev Board v2.0";
51	compatible = "allwinner,h8homlet-v2", "allwinner,sun8i-a83t";
52
53	aliases {
54		serial0 = &uart0;
55	};
56
57	chosen {
58		stdout-path = "serial0:115200n8";
59	};
60
61	reg_usb0_vbus: reg-usb0-vbus {
62		compatible = "regulator-fixed";
63		regulator-name = "usb0-vbus";
64		regulator-min-microvolt = <5000000>;
65		regulator-max-microvolt = <5000000>;
66		regulator-boot-on;
67		enable-active-high;
68		gpio = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* PL5 */
69	};
70
71	reg_usb1_vbus: reg-usb1-vbus {
72		compatible = "regulator-fixed";
73		regulator-name = "usb1-vbus";
74		regulator-min-microvolt = <5000000>;
75		regulator-max-microvolt = <5000000>;
76		regulator-boot-on;
77		enable-active-high;
78		gpio = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
79	};
80};
81
82&cpu0 {
83	cpu-supply = <&reg_dcdc2>;
84};
85
86&cpu100 {
87	cpu-supply = <&reg_dcdc3>;
88};
89
90&ehci0 {
91	status = "okay";
92};
93
94&mmc0 {
95	pinctrl-names = "default";
96	pinctrl-0 = <&mmc0_pins>;
97	vmmc-supply = <&reg_dcdc1>;
98	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
99	bus-width = <4>;
100	status = "okay";
101};
102
103&mmc2 {
104	pinctrl-names = "default";
105	pinctrl-0 = <&mmc2_8bit_emmc_pins>;
106	vmmc-supply = <&reg_dcdc1>;
107	vqmmc-supply = <&reg_dcdc1>;
108	bus-width = <8>;
109	non-removable;
110	cap-mmc-hw-reset;
111	status = "okay";
112};
113
114&ohci0 {
115	status = "okay";
116};
117
118&r_rsb {
119	status = "okay";
120
121	axp81x: pmic@3a3 {
122		compatible = "x-powers,axp818", "x-powers,axp813";
123		reg = <0x3a3>;
124		interrupt-parent = <&r_intc>;
125		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
126		eldoin-supply = <&reg_dcdc1>;
127		swin-supply = <&reg_dcdc1>;
128	};
129
130	ac100: codec@e89 {
131		compatible = "x-powers,ac100";
132		reg = <0xe89>;
133
134		ac100_codec: codec {
135			compatible = "x-powers,ac100-codec";
136			interrupt-parent = <&r_pio>;
137			interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
138			#clock-cells = <0>;
139			clock-output-names = "4M_adda";
140		};
141
142		ac100_rtc: rtc {
143			compatible = "x-powers,ac100-rtc";
144			interrupt-parent = <&r_intc>;
145			interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
146			clocks = <&ac100_codec>;
147			#clock-cells = <1>;
148			clock-output-names = "cko1_rtc",
149					     "cko2_rtc",
150					     "cko3_rtc";
151		};
152	};
153};
154
155#include "axp81x.dtsi"
156
157&reg_aldo1 {
158	regulator-always-on;
159	regulator-min-microvolt = <1800000>;
160	regulator-max-microvolt = <1800000>;
161	regulator-name = "vcc-1v8";
162};
163
164&reg_aldo2 {
165	regulator-always-on;
166	regulator-min-microvolt = <1800000>;
167	regulator-max-microvolt = <1800000>;
168	regulator-name = "dram-pll";
169};
170
171&reg_aldo3 {
172	regulator-always-on;
173	regulator-min-microvolt = <3000000>;
174	regulator-max-microvolt = <3000000>;
175	regulator-name = "avcc";
176};
177
178&reg_dcdc1 {
179	regulator-always-on;
180	regulator-min-microvolt = <3300000>;
181	regulator-max-microvolt = <3300000>;
182	regulator-name = "vcc-3v3";
183};
184
185&reg_dcdc2 {
186	regulator-always-on;
187	regulator-min-microvolt = <700000>;
188	regulator-max-microvolt = <1100000>;
189	regulator-name = "vdd-cpua";
190};
191
192&reg_dcdc3 {
193	regulator-always-on;
194	regulator-min-microvolt = <700000>;
195	regulator-max-microvolt = <1100000>;
196	regulator-name = "vdd-cpub";
197};
198
199&reg_dcdc4 {
200	regulator-min-microvolt = <700000>;
201	regulator-max-microvolt = <1100000>;
202	regulator-name = "vdd-gpu";
203};
204
205&reg_dcdc5 {
206	regulator-always-on;
207	regulator-min-microvolt = <1500000>;
208	regulator-max-microvolt = <1500000>;
209	regulator-name = "vcc-dram";
210};
211
212&reg_dcdc6 {
213	regulator-always-on;
214	regulator-min-microvolt = <900000>;
215	regulator-max-microvolt = <900000>;
216	regulator-name = "vdd-sys";
217};
218
219&reg_dldo2 {
220	regulator-min-microvolt = <3300000>;
221	regulator-max-microvolt = <3300000>;
222	regulator-name = "vcc-mipi";
223};
224
225&reg_dldo4 {
226	/*
227	 * The PHY requires 20ms after all voltages are applied until core
228	 * logic is ready and 30ms after the reset pin is de-asserted.
229	 * Set a 100ms delay to account for PMIC ramp time and board traces.
230	 */
231	regulator-enable-ramp-delay = <100000>;
232	regulator-min-microvolt = <3300000>;
233	regulator-max-microvolt = <3300000>;
234	regulator-name = "vcc-ephy";
235};
236
237&reg_fldo1 {
238	regulator-min-microvolt = <1080000>;
239	regulator-max-microvolt = <1320000>;
240	regulator-name = "vdd12-hsic";
241};
242
243&reg_fldo2 {
244	/*
245	 * Despite the embedded CPUs core not being used in any way,
246	 * this must remain on or the system will hang.
247	 */
248	regulator-always-on;
249	regulator-min-microvolt = <700000>;
250	regulator-max-microvolt = <1100000>;
251	regulator-name = "vdd-cpus";
252};
253
254&reg_rtc_ldo {
255	regulator-name = "vcc-rtc";
256};
257
258&reg_sw {
259	regulator-name = "vcc-wifi";
260};
261
262&uart0 {
263	pinctrl-names = "default";
264	pinctrl-0 = <&uart0_pb_pins>;
265	status = "okay";
266};
267
268&usbphy {
269	usb0_vbus-supply = <&reg_usb0_vbus>;
270	usb1_vbus-supply = <&reg_usb1_vbus>;
271	status = "okay";
272};
273
274&usb_otg {
275	dr_mode = "host";
276	status = "okay";
277};
278