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&ehci0 {
83	status = "okay";
84};
85
86&mmc0 {
87	pinctrl-names = "default";
88	pinctrl-0 = <&mmc0_pins>;
89	vmmc-supply = <&reg_dcdc1>;
90	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
91	bus-width = <4>;
92	status = "okay";
93};
94
95&mmc2 {
96	pinctrl-names = "default";
97	pinctrl-0 = <&mmc2_8bit_emmc_pins>;
98	vmmc-supply = <&reg_dcdc1>;
99	vqmmc-supply = <&reg_dcdc1>;
100	bus-width = <8>;
101	non-removable;
102	cap-mmc-hw-reset;
103	status = "okay";
104};
105
106&ohci0 {
107	status = "okay";
108};
109
110&r_rsb {
111	status = "okay";
112
113	axp81x: pmic@3a3 {
114		compatible = "x-powers,axp818", "x-powers,axp813";
115		reg = <0x3a3>;
116		interrupt-parent = <&r_intc>;
117		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
118		eldoin-supply = <&reg_dcdc1>;
119		swin-supply = <&reg_dcdc1>;
120	};
121
122	ac100: codec@e89 {
123		compatible = "x-powers,ac100";
124		reg = <0xe89>;
125
126		ac100_codec: codec {
127			compatible = "x-powers,ac100-codec";
128			interrupt-parent = <&r_pio>;
129			interrupts = <0 11 IRQ_TYPE_LEVEL_LOW>; /* PL11 */
130			#clock-cells = <0>;
131			clock-output-names = "4M_adda";
132		};
133
134		ac100_rtc: rtc {
135			compatible = "x-powers,ac100-rtc";
136			interrupt-parent = <&r_intc>;
137			interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
138			clocks = <&ac100_codec>;
139			#clock-cells = <1>;
140			clock-output-names = "cko1_rtc",
141					     "cko2_rtc",
142					     "cko3_rtc";
143		};
144	};
145};
146
147#include "axp81x.dtsi"
148
149&reg_aldo1 {
150	regulator-always-on;
151	regulator-min-microvolt = <1800000>;
152	regulator-max-microvolt = <1800000>;
153	regulator-name = "vcc-1v8";
154};
155
156&reg_aldo2 {
157	regulator-always-on;
158	regulator-min-microvolt = <1800000>;
159	regulator-max-microvolt = <1800000>;
160	regulator-name = "dram-pll";
161};
162
163&reg_aldo3 {
164	regulator-always-on;
165	regulator-min-microvolt = <3000000>;
166	regulator-max-microvolt = <3000000>;
167	regulator-name = "avcc";
168};
169
170&reg_dcdc1 {
171	regulator-always-on;
172	regulator-min-microvolt = <3300000>;
173	regulator-max-microvolt = <3300000>;
174	regulator-name = "vcc-3v3";
175};
176
177&reg_dcdc2 {
178	regulator-always-on;
179	regulator-min-microvolt = <700000>;
180	regulator-max-microvolt = <1100000>;
181	regulator-name = "vdd-cpua";
182};
183
184&reg_dcdc3 {
185	regulator-always-on;
186	regulator-min-microvolt = <700000>;
187	regulator-max-microvolt = <1100000>;
188	regulator-name = "vdd-cpub";
189};
190
191&reg_dcdc4 {
192	regulator-min-microvolt = <700000>;
193	regulator-max-microvolt = <1100000>;
194	regulator-name = "vdd-gpu";
195};
196
197&reg_dcdc5 {
198	regulator-always-on;
199	regulator-min-microvolt = <1500000>;
200	regulator-max-microvolt = <1500000>;
201	regulator-name = "vcc-dram";
202};
203
204&reg_dcdc6 {
205	regulator-always-on;
206	regulator-min-microvolt = <900000>;
207	regulator-max-microvolt = <900000>;
208	regulator-name = "vdd-sys";
209};
210
211&reg_dldo2 {
212	regulator-min-microvolt = <3300000>;
213	regulator-max-microvolt = <3300000>;
214	regulator-name = "vcc-mipi";
215};
216
217&reg_dldo4 {
218	/*
219	 * The PHY requires 20ms after all voltages are applied until core
220	 * logic is ready and 30ms after the reset pin is de-asserted.
221	 * Set a 100ms delay to account for PMIC ramp time and board traces.
222	 */
223	regulator-enable-ramp-delay = <100000>;
224	regulator-min-microvolt = <3300000>;
225	regulator-max-microvolt = <3300000>;
226	regulator-name = "vcc-ephy";
227};
228
229&reg_fldo1 {
230	regulator-min-microvolt = <1080000>;
231	regulator-max-microvolt = <1320000>;
232	regulator-name = "vdd12-hsic";
233};
234
235&reg_fldo2 {
236	/*
237	 * Despite the embedded CPUs core not being used in any way,
238	 * this must remain on or the system will hang.
239	 */
240	regulator-always-on;
241	regulator-min-microvolt = <700000>;
242	regulator-max-microvolt = <1100000>;
243	regulator-name = "vdd-cpus";
244};
245
246&reg_rtc_ldo {
247	regulator-name = "vcc-rtc";
248};
249
250&reg_sw {
251	regulator-name = "vcc-wifi";
252};
253
254&uart0 {
255	pinctrl-names = "default";
256	pinctrl-0 = <&uart0_pb_pins>;
257	status = "okay";
258};
259
260&usbphy {
261	usb0_vbus-supply = <&reg_usb0_vbus>;
262	usb1_vbus-supply = <&reg_usb1_vbus>;
263	status = "okay";
264};
265
266&usb_otg {
267	dr_mode = "host";
268	status = "okay";
269};
270