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 = <®_dcdc2>;
84 };
85
86 &cpu100 {
87 cpu-supply = <®_dcdc3>;
88 };
89
90 &ehci0 {
91 status = "okay";
92 };
93
94 &mmc0 {
95 pinctrl-names = "default";
96 pinctrl-0 = <&mmc0_pins>;
97 vmmc-supply = <®_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 = <®_dcdc1>;
107 vqmmc-supply = <®_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 = <GIC_SPI 32 IRQ_TYPE_LEVEL_LOW>;
126 eldoin-supply = <®_dcdc1>;
127 swin-supply = <®_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 = <GIC_SPI 32 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 &ac_power_supply {
158 status = "okay";
159 };
160
161 ®_aldo1 {
162 regulator-always-on;
163 regulator-min-microvolt = <1800000>;
164 regulator-max-microvolt = <1800000>;
165 regulator-name = "vcc-1v8";
166 };
167
168 ®_aldo2 {
169 regulator-always-on;
170 regulator-min-microvolt = <1800000>;
171 regulator-max-microvolt = <1800000>;
172 regulator-name = "dram-pll";
173 };
174
175 ®_aldo3 {
176 regulator-always-on;
177 regulator-min-microvolt = <3000000>;
178 regulator-max-microvolt = <3000000>;
179 regulator-name = "avcc";
180 };
181
182 ®_dcdc1 {
183 regulator-always-on;
184 regulator-min-microvolt = <3300000>;
185 regulator-max-microvolt = <3300000>;
186 regulator-name = "vcc-3v3";
187 };
188
189 ®_dcdc2 {
190 regulator-always-on;
191 regulator-min-microvolt = <700000>;
192 regulator-max-microvolt = <1100000>;
193 regulator-name = "vdd-cpua";
194 };
195
196 ®_dcdc3 {
197 regulator-always-on;
198 regulator-min-microvolt = <700000>;
199 regulator-max-microvolt = <1100000>;
200 regulator-name = "vdd-cpub";
201 };
202
203 ®_dcdc4 {
204 regulator-min-microvolt = <700000>;
205 regulator-max-microvolt = <1100000>;
206 regulator-name = "vdd-gpu";
207 };
208
209 ®_dcdc5 {
210 regulator-always-on;
211 regulator-min-microvolt = <1500000>;
212 regulator-max-microvolt = <1500000>;
213 regulator-name = "vcc-dram";
214 };
215
216 ®_dcdc6 {
217 regulator-always-on;
218 regulator-min-microvolt = <900000>;
219 regulator-max-microvolt = <900000>;
220 regulator-name = "vdd-sys";
221 };
222
223 ®_dldo2 {
224 regulator-min-microvolt = <3300000>;
225 regulator-max-microvolt = <3300000>;
226 regulator-name = "vcc-mipi";
227 };
228
229 ®_dldo4 {
230 /*
231 * The PHY requires 20ms after all voltages are applied until core
232 * logic is ready and 30ms after the reset pin is de-asserted.
233 * Set a 100ms delay to account for PMIC ramp time and board traces.
234 */
235 regulator-enable-ramp-delay = <100000>;
236 regulator-min-microvolt = <3300000>;
237 regulator-max-microvolt = <3300000>;
238 regulator-name = "vcc-ephy";
239 };
240
241 ®_fldo1 {
242 regulator-min-microvolt = <1080000>;
243 regulator-max-microvolt = <1320000>;
244 regulator-name = "vdd12-hsic";
245 };
246
247 ®_fldo2 {
248 /*
249 * Despite the embedded CPUs core not being used in any way,
250 * this must remain on or the system will hang.
251 */
252 regulator-always-on;
253 regulator-min-microvolt = <700000>;
254 regulator-max-microvolt = <1100000>;
255 regulator-name = "vdd-cpus";
256 };
257
258 ®_rtc_ldo {
259 regulator-name = "vcc-rtc";
260 };
261
262 ®_sw {
263 regulator-name = "vcc-wifi";
264 };
265
266 &uart0 {
267 pinctrl-names = "default";
268 pinctrl-0 = <&uart0_pb_pins>;
269 status = "okay";
270 };
271
272 &usbphy {
273 usb0_vbus-supply = <®_usb0_vbus>;
274 usb1_vbus-supply = <®_usb1_vbus>;
275 status = "okay";
276 };
277
278 &usb_otg {
279 dr_mode = "host";
280 status = "okay";
281 };
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