1 /*
2 * Copyright 2013 Wills Wang
3 *
4 * Wills Wang <wills.wang.open@gmail.com>
5 *
6 * This file is dual-licensed: you can use it either under the terms
7 * of the GPL or the X11 license, at your option. Note that this dual
8 * licensing only applies to this file, and not this project as a
9 * whole.
10 *
11 * a) This file is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of the
14 * License, or (at your option) any later version.
15 *
16 * This file is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * Or, alternatively,
22 *
23 * b) Permission is hereby granted, free of charge, to any person
24 * obtaining a copy of this software and associated documentation
25 * files (the "Software"), to deal in the Software without
26 * restriction, including without limitation the rights to use,
27 * copy, modify, merge, publish, distribute, sublicense, and/or
28 * sell copies of the Software, and to permit persons to whom the
29 * Software is furnished to do so, subject to the following
30 * conditions:
31 *
32 * The above copyright notice and this permission notice shall be
33 * included in all copies or substantial portions of the Software.
34 *
35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42 * OTHER DEALINGS IN THE SOFTWARE.
43 */
44
45 /dts-v1/;
46 #include "sun7i-a20.dtsi"
47 #include "sunxi-common-regulators.dtsi"
48
49 #include <dt-bindings/gpio/gpio.h>
50 #include <dt-bindings/interrupt-controller/irq.h>
51
52 / {
53 model = "Merrii A20 Hummingbird";
54 compatible = "merrii,a20-hummingbird", "allwinner,sun7i-a20";
55
56 aliases {
57 serial0 = &uart0;
58 serial1 = &uart2;
59 serial2 = &uart3;
60 serial3 = &uart4;
61 serial4 = &uart5;
62 };
63
64 chosen {
65 stdout-path = "serial0:115200n8";
66 };
67
68 reg_mmc3_vdd: regulator-mmc3-vdd {
69 compatible = "regulator-fixed";
70 regulator-name = "mmc3_vdd";
71 regulator-min-microvolt = <3000000>;
72 regulator-max-microvolt = <3000000>;
73 enable-active-high;
74 gpio = <&pio 7 9 GPIO_ACTIVE_HIGH>; /* PH9 */
75 };
76
77 reg_gmac_vdd: regulator-gmac-vdd {
78 compatible = "regulator-fixed";
79 regulator-name = "gmac_vdd";
80 regulator-min-microvolt = <3000000>;
81 regulator-max-microvolt = <3000000>;
82 enable-active-high;
83 gpio = <&pio 7 16 GPIO_ACTIVE_HIGH>; /* PH16 */
84 };
85 };
86
87 &ahci {
88 target-supply = <®_ahci_5v>;
89 status = "okay";
90 };
91
92 &ehci0 {
93 status = "okay";
94 };
95
96 &ehci1 {
97 status = "okay";
98 };
99
100 &gmac {
101 pinctrl-names = "default";
102 pinctrl-0 = <&gmac_rgmii_pins>;
103 phy-handle = <&phy1>;
104 phy-mode = "rgmii";
105 phy-supply = <®_gmac_vdd>;
106 status = "okay";
107 };
108
109 &i2c0 {
110 status = "okay";
111
112 axp209: pmic@34 {
113 compatible = "x-powers,axp209";
114 reg = <0x34>;
115 interrupt-parent = <&nmi_intc>;
116 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
117 interrupt-controller;
118 #interrupt-cells = <1>;
119 };
120 };
121
122 &i2c1 {
123 status = "okay";
124 };
125
126 &i2c2 {
127 status = "okay";
128 };
129
130 &i2c3 {
131 status = "okay";
132 };
133
134 &ir0 {
135 pinctrl-names = "default";
136 pinctrl-0 = <&ir0_rx_pin>;
137 status = "okay";
138 };
139
140 &gmac_mdio {
141 phy1: ethernet-phy@1 {
142 reg = <1>;
143 reset-gpios = <&pio 0 17 GPIO_ACTIVE_LOW>; /* PA17 */
144 reset-assert-us = <10000>;
145 /* wait 1s after reset, otherwise fail to read phy id */
146 reset-deassert-us = <1000000>;
147 };
148 };
149
150 &mmc0 {
151 vmmc-supply = <®_vcc3v0>;
152 bus-width = <4>;
153 cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
154 status = "okay";
155 };
156
157 &mmc3 {
158 vmmc-supply = <®_mmc3_vdd>;
159 bus-width = <4>;
160 non-removable;
161 status = "okay";
162 };
163
164 &ohci0 {
165 status = "okay";
166 };
167
168 &ohci1 {
169 status = "okay";
170 };
171
172 &pwm {
173 pinctrl-names = "default";
174 pinctrl-0 = <&pwm0_pin>;
175 status = "okay";
176 };
177
178 ®_ahci_5v {
179 gpio = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
180 status = "okay";
181 };
182
183 ®_usb1_vbus {
184 gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
185 status = "okay";
186 };
187
188 ®_usb2_vbus {
189 status = "okay";
190 };
191
192 &spi2 {
193 pinctrl-names = "default";
194 pinctrl-0 = <&spi2_pb_pins>,
195 <&spi2_cs0_pb_pin>;
196 status = "okay";
197 };
198
199 &uart0 {
200 pinctrl-names = "default";
201 pinctrl-0 = <&uart0_pb_pins>;
202 status = "okay";
203 };
204
205 &uart2 {
206 pinctrl-names = "default";
207 pinctrl-0 = <&uart2_pi_pins>, <&uart2_cts_rts_pi_pins>;
208 status = "okay";
209 };
210
211 &uart3 {
212 pinctrl-names = "default";
213 pinctrl-0 = <&uart3_pg_pins>, <&uart3_cts_rts_pg_pins>;
214 status = "okay";
215 };
216
217 &uart4 {
218 pinctrl-names = "default";
219 pinctrl-0 = <&uart4_pg_pins>;
220 status = "okay";
221 };
222
223 &uart5 {
224 pinctrl-names = "default";
225 pinctrl-0 = <&uart5_pi_pins>;
226 status = "okay";
227 };
228
229 &usbphy {
230 usb1_vbus-supply = <®_usb1_vbus>;
231 usb2_vbus-supply = <®_usb2_vbus>;
232 status = "okay";
233 };
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