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: 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: 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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_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 &reg_ahci_5v {
179 	gpio = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */
180 	status = "okay";
181 };
182 
183 &reg_usb1_vbus {
184 	gpio = <&pio 7 2 GPIO_ACTIVE_HIGH>; /* PH2 */
185 	status = "okay";
186 };
187 
188 &reg_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 = <&reg_usb1_vbus>;
231 	usb2_vbus-supply = <&reg_usb2_vbus>;
232 	status = "okay";
233 };
234