2 * Copyright 2015 Hans de Goede <hdegoede@redhat.com>
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
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.
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.
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
30 * The above copyright notice and this permission notice shall be
31 * included in all copies or substantial portions of the Software.
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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40 * OTHER DEALINGS IN THE SOFTWARE.
44 #include "sun8i-a23.dtsi"
45 #include "sunxi-common-regulators.dtsi"
47 #include <dt-bindings/gpio/gpio.h>
48 #include <dt-bindings/input/input.h>
49 #include <dt-bindings/pinctrl/sun4i-a10.h>
50 #include <dt-bindings/pwm/pwm.h>
53 model = "Allwinner GT90H Dual Core Tablet (v4)";
54 compatible = "allwinner,gt90h-v4", "allwinner,sun8i-a23";
60 backlight: backlight {
61 compatible = "pwm-backlight";
62 pinctrl-names = "default";
63 pinctrl-0 = <&bl_en_pin_gt90h>;
64 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
65 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
66 default-brightness-level = <8>;
67 enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
71 stdout-path = "serial0:115200n8";
80 pinctrl-names = "default";
81 pinctrl-0 = <&i2c0_pins_a>;
86 pinctrl-names = "default";
87 pinctrl-0 = <&i2c1_pins_a>;
92 vref-supply = <®_vcc3v0>;
97 linux,code = <KEY_VOLUMEUP>;
103 label = "Volume Down";
104 linux,code = <KEY_VOLUMEDOWN>;
111 linux,code = <KEY_BACK>;
118 pinctrl-names = "default";
119 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_gt90h>;
120 vmmc-supply = <®_aldo1>;
122 cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
128 bl_en_pin_gt90h: bl_en_pin@0 {
129 allwinner,pins = "PH6";
130 allwinner,function = "gpio_in";
131 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
132 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
135 mmc0_cd_pin_gt90h: mmc0_cd_pin@0 {
136 allwinner,pins = "PB4";
137 allwinner,function = "gpio_in";
138 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
139 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
144 pinctrl-names = "default";
145 pinctrl-0 = <&pwm0_pins>;
153 compatible = "x-powers,axp223";
155 interrupt-parent = <&nmi_intc>;
156 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
157 eldoin-supply = <®_dcdc1>;
162 pinctrl-names = "default";
163 pinctrl-0 = <&r_uart_pins_a>;
167 #include "axp22x.dtsi"
171 regulator-min-microvolt = <3000000>;
172 regulator-max-microvolt = <3000000>;
173 regulator-name = "vcc-io";
178 regulator-min-microvolt = <2350000>;
179 regulator-max-microvolt = <2650000>;
180 regulator-name = "vdd-dll";
185 regulator-min-microvolt = <2700000>;
186 regulator-max-microvolt = <3300000>;
187 regulator-name = "vcc-pll-avcc";
191 regulator-name = "vcc-lcd";
196 regulator-min-microvolt = <900000>;
197 regulator-max-microvolt = <1400000>;
198 regulator-name = "vdd-cpus";
203 regulator-min-microvolt = <3000000>;
204 regulator-max-microvolt = <3000000>;
205 regulator-name = "vcc-3v0";
210 regulator-min-microvolt = <900000>;
211 regulator-max-microvolt = <1400000>;
212 regulator-name = "vdd-sys";
217 regulator-min-microvolt = <900000>;
218 regulator-max-microvolt = <1400000>;
219 regulator-name = "vdd-cpu";
224 regulator-min-microvolt = <1500000>;
225 regulator-max-microvolt = <1500000>;
226 regulator-name = "vcc-dram";
230 regulator-min-microvolt = <3300000>;
231 regulator-max-microvolt = <3300000>;
232 regulator-name = "vcc-wifi";
236 regulator-name = "vcc-rtc";
240 vcc-lcd-supply = <®_dc1sw>;
244 * FIXME for now we only support host mode and rely on u-boot to have
245 * turned on Vbus which is controlled by the axp223 pmic on the board.
247 * Once we have axp223 support we should switch to fully supporting otg.
255 usb1_vbus-supply = <®_dldo1>;