1/* 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 43/dts-v1/; 44#include "sun5i-a13.dtsi" 45#include "sunxi-common-regulators.dtsi" 46#include <dt-bindings/gpio/gpio.h> 47#include <dt-bindings/input/input.h> 48#include <dt-bindings/interrupt-controller/irq.h> 49#include <dt-bindings/pwm/pwm.h> 50 51/ { 52 model = "Empire Electronix D709 tablet"; 53 compatible = "empire-electronix,d709", "allwinner,sun5i-a13"; 54 55 aliases { 56 serial0 = &uart1; 57 }; 58 59 backlight: backlight { 60 compatible = "pwm-backlight"; 61 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; 62 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; 63 default-brightness-level = <8>; 64 /* TODO: backlight uses axp gpio1 as enable pin */ 65 }; 66 67 chosen { 68 stdout-path = "serial0:115200n8"; 69 }; 70}; 71 72&cpu0 { 73 cpu-supply = <®_dcdc2>; 74}; 75 76&ehci0 { 77 status = "okay"; 78}; 79 80&i2c0 { 81 pinctrl-names = "default"; 82 pinctrl-0 = <&i2c0_pins_a>; 83 status = "okay"; 84 85 axp209: pmic@34 { 86 reg = <0x34>; 87 interrupts = <0>; 88 }; 89}; 90 91#include "axp209.dtsi" 92 93&i2c1 { 94 pinctrl-names = "default"; 95 pinctrl-0 = <&i2c1_pins_a>; 96 status = "okay"; 97 98 pcf8563: rtc@51 { 99 compatible = "nxp,pcf8563"; 100 reg = <0x51>; 101 }; 102}; 103 104&lradc { 105 vref-supply = <®_ldo2>; 106 status = "okay"; 107 108 button@200 { 109 label = "Volume Up"; 110 linux,code = <KEY_VOLUMEUP>; 111 channel = <0>; 112 voltage = <200000>; 113 }; 114 115 button@400 { 116 label = "Volume Down"; 117 linux,code = <KEY_VOLUMEDOWN>; 118 channel = <0>; 119 voltage = <400000>; 120 }; 121}; 122 123&mmc0 { 124 pinctrl-names = "default"; 125 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_d709>; 126 vmmc-supply = <®_vcc3v3>; 127 bus-width = <4>; 128 cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */ 129 cd-inverted; 130 status = "okay"; 131}; 132 133&otg_sram { 134 status = "okay"; 135}; 136 137&pio { 138 mmc0_cd_pin_d709: mmc0_cd_pin@0 { 139 pins = "PG0"; 140 function = "gpio_in"; 141 bias-pull-up; 142 }; 143 144 usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 { 145 pins = "PG1"; 146 function = "gpio_in"; 147 bias-pull-down; 148 }; 149 150 usb0_id_detect_pin: usb0_id_detect_pin@0 { 151 pins = "PG2"; 152 function = "gpio_in"; 153 bias-pull-up; 154 }; 155}; 156 157&pwm { 158 pinctrl-names = "default"; 159 pinctrl-0 = <&pwm0_pins>; 160 status = "okay"; 161}; 162 163®_dcdc2 { 164 regulator-always-on; 165 regulator-min-microvolt = <1000000>; 166 regulator-max-microvolt = <1400000>; 167 regulator-name = "vdd-cpu"; 168}; 169 170®_dcdc3 { 171 regulator-always-on; 172 regulator-min-microvolt = <1250000>; 173 regulator-max-microvolt = <1250000>; 174 regulator-name = "vdd-int-pll"; 175}; 176 177®_ldo1 { 178 regulator-name = "vdd-rtc"; 179}; 180 181®_ldo2 { 182 regulator-always-on; 183 regulator-min-microvolt = <3000000>; 184 regulator-max-microvolt = <3000000>; 185 regulator-name = "avcc"; 186}; 187 188®_ldo3 { 189 regulator-min-microvolt = <3300000>; 190 regulator-max-microvolt = <3300000>; 191 regulator-name = "vcc-wifi"; 192}; 193 194®_usb0_vbus { 195 gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */ 196 status = "okay"; 197}; 198 199&uart1 { 200 pinctrl-names = "default"; 201 pinctrl-0 = <&uart1_pins_b>; 202 status = "okay"; 203}; 204 205&usb_otg { 206 dr_mode = "otg"; 207 status = "okay"; 208}; 209 210&usbphy { 211 pinctrl-names = "default"; 212 pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; 213 usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ 214 usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */ 215 usb0_vbus-supply = <®_usb0_vbus>; 216 usb1_vbus-supply = <®_ldo3>; 217 status = "okay"; 218}; 219