blob: 9d9036140511da214084348f50886f175e962e79 [file] [log] [blame]
Hans de Goedeedbc6f12016-07-08 18:05:49 +02001/*
2 * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
3 *
4 * This file is dual-licensed: you can use it either under the terms
5 * of the GPL or the X11 license, at your option. Note that this dual
6 * licensing only applies to this file, and not this project as a
7 * whole.
8 *
9 * a) This file is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of the
12 * License, or (at your option) any later version.
13 *
14 * This file is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * Or, alternatively,
20 *
21 * b) Permission is hereby granted, free of charge, to any person
22 * obtaining a copy of this software and associated documentation
23 * files (the "Software"), to deal in the Software without
24 * restriction, including without limitation the rights to use,
25 * copy, modify, merge, publish, distribute, sublicense, and/or
26 * sell copies of the Software, and to permit persons to whom the
27 * Software is furnished to do so, subject to the following
28 * conditions:
29 *
30 * The above copyright notice and this permission notice shall be
31 * included in all copies or substantial portions of the Software.
32 *
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
35 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
40 * OTHER DEALINGS IN THE SOFTWARE.
41 */
42#include "sunxi-reference-design-tablet.dtsi"
43
44#include <dt-bindings/pwm/pwm.h>
45
46/ {
47 aliases {
48 serial0 = &r_uart;
49 };
50
51 backlight: backlight {
52 compatible = "pwm-backlight";
53 pinctrl-names = "default";
54 pinctrl-0 = <&bl_en_pin>;
55 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
56 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
57 default-brightness-level = <8>;
58 enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
59 };
60
61 chosen {
62 stdout-path = "serial0:115200n8";
63 };
64};
65
66&mmc0 {
67 pinctrl-names = "default";
68 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
69 vmmc-supply = <&reg_dcdc1>;
70 bus-width = <4>;
71 cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
72 cd-inverted;
73 status = "okay";
74};
75
76&pio {
77 bl_en_pin: bl_en_pin@0 {
78 allwinner,pins = "PH6";
79 allwinner,function = "gpio_in";
80 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
81 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
82 };
83
84 mmc0_cd_pin: mmc0_cd_pin@0 {
85 allwinner,pins = "PB4";
86 allwinner,function = "gpio_in";
87 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
88 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
89 };
90
91 usb0_id_detect_pin: usb0_id_detect_pin@0 {
92 allwinner,pins = "PH8";
93 allwinner,function = "gpio_in";
94 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
95 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
96 };
97};
98
99&r_rsb {
100 status = "okay";
101
102 axp22x: pmic@3a3 {
103 compatible = "x-powers,axp223";
104 reg = <0x3a3>;
105 interrupt-parent = <&nmi_intc>;
106 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
107 eldoin-supply = <&reg_dcdc1>;
Hans de Goede672244f2016-07-08 18:05:50 +0200108 drivevbus-supply = <&reg_vcc5v0>;
Hans de Goedeedbc6f12016-07-08 18:05:49 +0200109 x-powers,drive-vbus-en;
110 };
111};
112
113#include "axp22x.dtsi"
114
115&reg_aldo1 {
116 regulator-always-on;
117 regulator-min-microvolt = <3000000>;
118 regulator-max-microvolt = <3000000>;
119 regulator-name = "vcc-io";
120};
121
122&reg_aldo2 {
123 regulator-always-on;
124 regulator-min-microvolt = <2350000>;
125 regulator-max-microvolt = <2650000>;
126 regulator-name = "vdd-dll";
127};
128
129&reg_aldo3 {
130 regulator-always-on;
131 regulator-min-microvolt = <2700000>;
132 regulator-max-microvolt = <3300000>;
133 regulator-name = "vcc-pll-avcc";
134};
135
136&reg_dc1sw {
137 regulator-name = "vcc-lcd";
138};
139
140&reg_dc5ldo {
141 regulator-always-on;
142 regulator-min-microvolt = <900000>;
143 regulator-max-microvolt = <1400000>;
144 regulator-name = "vdd-cpus";
145};
146
147&reg_dcdc1 {
148 regulator-always-on;
149 regulator-min-microvolt = <3000000>;
150 regulator-max-microvolt = <3000000>;
151 regulator-name = "vcc-3v0";
152};
153
154&reg_dcdc2 {
155 regulator-always-on;
156 regulator-min-microvolt = <900000>;
157 regulator-max-microvolt = <1400000>;
158 regulator-name = "vdd-sys";
159};
160
161&reg_dcdc3 {
162 regulator-always-on;
163 regulator-min-microvolt = <900000>;
164 regulator-max-microvolt = <1400000>;
165 regulator-name = "vdd-cpu";
166};
167
168&reg_dcdc5 {
169 regulator-always-on;
170 regulator-min-microvolt = <1500000>;
171 regulator-max-microvolt = <1500000>;
172 regulator-name = "vcc-dram";
173};
174
175&reg_dldo1 {
176 regulator-min-microvolt = <3300000>;
177 regulator-max-microvolt = <3300000>;
178 regulator-name = "vcc-wifi";
179};
180
181&reg_drivevbus {
182 regulator-name = "usb0-vbus";
183 status = "okay";
184};
185
186&reg_rtc_ldo {
187 regulator-name = "vcc-rtc";
188};
189
190&r_uart {
191 pinctrl-names = "default";
192 pinctrl-0 = <&r_uart_pins_a>;
193 status = "okay";
194};
195
196&simplefb_lcd {
197 vcc-lcd-supply = <&reg_dc1sw>;
198};
199
200&usb_otg {
201 dr_mode = "otg";
202 status = "okay";
203};
204
205&usb_power_supply {
206 status = "okay";
207};
208
209&usbphy {
210 pinctrl-names = "default";
211 pinctrl-0 = <&usb0_id_detect_pin>;
212 usb0_id_det-gpio = <&pio 7 8 GPIO_ACTIVE_HIGH>; /* PH8 */
213 usb0_vbus_power-supply = <&usb_power_supply>;
214 usb0_vbus-supply = <&reg_drivevbus>;
215 status = "okay";
216};