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Hans de Goede53ab4af2015-04-15 19:03:49 +02001/*
2 * Copyright 2014 Maxime Ripard
3 *
4 * Maxime Ripard <maxime.ripard@free-electrons.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 *
Hans de Goede53ab4af2015-04-15 19:03:49 +020021 * 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 "sun6i-a31.dtsi"
47#include "sunxi-common-regulators.dtsi"
48
49#include <dt-bindings/gpio/gpio.h>
50#include <dt-bindings/pinctrl/sun4i-a10.h>
51
52/ {
53 model = "Merrii A31 Hummingbird";
54 compatible = "merrii,a31-hummingbird", "allwinner,sun6i-a31";
55
56 aliases {
57 serial0 = &uart0;
58 };
59
60 chosen {
61 stdout-path = "serial0:115200n8";
62 };
63
64 wifi_pwrseq: wifi_pwrseq {
65 compatible = "mmc-pwrseq-simple";
66 reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */
67 };
68};
69
70&ehci0 {
71 status = "okay";
72};
73
74&gmac {
75 pinctrl-names = "default";
76 pinctrl-0 = <&gmac_pins_rgmii_a>;
77 phy = <&phy1>;
78 phy-mode = "rgmii";
79 snps,reset-gpio = <&pio 0 21 GPIO_ACTIVE_HIGH>;
80 snps,reset-active-low;
81 snps,reset-delays-us = <0 10000 30000>;
82 status = "okay";
83
84 phy1: ethernet-phy@1 {
85 reg = <1>;
86 };
87};
88
89&i2c0 {
90 pinctrl-names = "default";
91 pinctrl-0 = <&i2c0_pins_a>;
92 /* pull-ups and devices require AXP221 DLDO3 */
93 status = "failed";
94};
95
96&i2c1 {
97 pinctrl-names = "default";
98 pinctrl-0 = <&i2c1_pins_a>;
99 status = "okay";
100};
101
102&i2c2 {
103 pinctrl-names = "default";
104 pinctrl-0 = <&i2c2_pins_a>;
105 status = "okay";
106
107 pcf8563: rtc@51 {
108 compatible = "nxp,pcf8563";
109 reg = <0x51>;
110 };
111};
112
113&ir {
114 pinctrl-names = "default";
115 pinctrl-0 = <&ir_pins_a>;
116 status = "okay";
117};
118
119&mmc0 {
120 pinctrl-names = "default";
121 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_hummingbird>;
122 vmmc-supply = <&vcc_3v0>;
123 bus-width = <4>;
124 cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
125 cd-inverted;
126 status = "okay";
127};
128
129&mmc0_pins_a {
130 /* external pull-ups missing for some pins */
131 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
132};
133
134&mmc1 {
135 pinctrl-names = "default";
136 pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>;
137 vmmc-supply = <&vcc_wifi>;
138 mmc-pwrseq = <&wifi_pwrseq>;
139 bus-width = <4>;
140 non-removable;
141 status = "okay";
142};
143
144&ohci0 {
145 status = "okay";
146};
147
148&pio {
149 mmc0_cd_pin_hummingbird: mmc0_cd_pin@0 {
150 allwinner,pins = "PA8";
151 allwinner,function = "gpio_in";
152 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
153 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
154 };
155
156 wifi_reset_pin_hummingbird: wifi_reset_pin@0 {
157 allwinner,pins = "PG10";
158 allwinner,function = "gpio_out";
159 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
160 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
161 };
162};
163
164&p2wi {
165 status = "okay";
166
167 axp221: pmic@68 {
168 compatible = "x-powers,axp221";
169 reg = <0x68>;
170 interrupt-parent = <&nmi_intc>;
171 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
172 interrupt-controller;
173 #interrupt-cells = <1>;
174 dcdc1-supply = <&vcc_3v0>;
175 dcdc5-supply = <&vcc_dram>;
176
177 regulators {
178 x-powers,dcdc-freq = <3000>;
179
180 vcc_3v0: dcdc1 {
181 regulator-always-on;
182 regulator-min-microvolt = <3000000>;
183 regulator-max-microvolt = <3000000>;
184 regulator-name = "vcc-3v0";
185 };
186
187 vdd_cpu: dcdc2 {
188 regulator-always-on;
189 regulator-min-microvolt = <700000>;
190 regulator-max-microvolt = <1320000>;
191 regulator-name = "vdd-cpu";
192 };
193
194 vdd_gpu: dcdc3 {
195 regulator-always-on;
196 regulator-min-microvolt = <700000>;
197 regulator-max-microvolt = <1320000>;
198 regulator-name = "vdd-gpu";
199 };
200
201 vdd_sys_dll: dcdc4 {
202 regulator-always-on;
203 regulator-min-microvolt = <1100000>;
204 regulator-max-microvolt = <1100000>;
205 regulator-name = "vdd-sys-dll";
206 };
207
208 vcc_dram: dcdc5 {
209 regulator-always-on;
210 regulator-min-microvolt = <1500000>;
211 regulator-max-microvolt = <1500000>;
212 regulator-name = "vcc-dram";
213 };
214
215 vcc_wifi: aldo1 {
216 regulator-min-microvolt = <3300000>;
217 regulator-max-microvolt = <3300000>;
218 regulator-name = "vcc_wifi";
219 };
220
221 avcc: aldo3 {
222 regulator-always-on;
223 regulator-min-microvolt = <3000000>;
224 regulator-max-microvolt = <3000000>;
225 regulator-name = "avcc";
226 };
227 };
228 };
229};
230
231&reg_usb1_vbus {
232 gpio = <&pio 7 24 GPIO_ACTIVE_HIGH>; /* PH24 */
233 status = "okay";
234};
235
236&uart0 {
237 pinctrl-names = "default";
238 pinctrl-0 = <&uart0_pins_a>;
239 status = "okay";
240};
241
242&usb1_vbus_pin_a {
243 /* different pin from sunxi-common-regulators */
244 allwinner,pins = "PH24";
245};
246
247&usbphy {
248 usb1_vbus-supply = <&reg_usb1_vbus>;
249 status = "okay";
250};