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#include "sunxi-reference-design-tablet.dtsi" 43 44#include <dt-bindings/pwm/pwm.h> 45 46/ { 47 aliases { 48 serial0 = &uart1; 49 }; 50 51 backlight: backlight { 52 compatible = "pwm-backlight"; 53 pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; 54 brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; 55 default-brightness-level = <8>; 56 /* TODO: backlight uses axp gpio1 as enable pin */ 57 }; 58 59 chosen { 60 stdout-path = "serial0:115200n8"; 61 }; 62}; 63 64&codec { 65 pinctrl-names = "default"; 66 pinctrl-0 = <&codec_pa_pin>; 67 allwinner,pa-gpios = <&pio 6 10 GPIO_ACTIVE_HIGH>; /* PG10 */ 68 status = "okay"; 69}; 70 71&cpu0 { 72 cpu-supply = <®_dcdc2>; 73}; 74 75&ehci0 { 76 status = "okay"; 77}; 78 79&i2c0 { 80 axp209: pmic@34 { 81 reg = <0x34>; 82 interrupts = <0>; 83 }; 84}; 85 86&i2c1 { 87 pcf8563: rtc@51 { 88 compatible = "nxp,pcf8563"; 89 reg = <0x51>; 90 }; 91}; 92 93#include "axp209.dtsi" 94 95&lradc { 96 vref-supply = <®_ldo2>; 97}; 98 99&mmc0 { 100 pinctrl-names = "default"; 101 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>; 102 vmmc-supply = <®_vcc3v0>; 103 bus-width = <4>; 104 cd-gpios = <&pio 6 0 GPIO_ACTIVE_HIGH>; /* PG0 */ 105 cd-inverted; 106 status = "okay"; 107}; 108 109&otg_sram { 110 status = "okay"; 111}; 112 113&pio { 114 codec_pa_pin: codec_pa_pin@0 { 115 allwinner,pins = "PG10"; 116 allwinner,function = "gpio_out"; 117 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 118 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 119 }; 120 121 mmc0_cd_pin: mmc0_cd_pin@0 { 122 allwinner,pins = "PG0"; 123 allwinner,function = "gpio_in"; 124 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 125 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 126 }; 127 128 usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 { 129 allwinner,pins = "PG1"; 130 allwinner,function = "gpio_in"; 131 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 132 allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>; 133 }; 134 135 usb0_id_detect_pin: usb0_id_detect_pin@0 { 136 allwinner,pins = "PG2"; 137 allwinner,function = "gpio_in"; 138 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 139 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 140 }; 141 142 usb0_vbus_pin_a: usb0_vbus_pin@0 { 143 allwinner,pins = "PG12"; 144 allwinner,function = "gpio_out"; 145 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 146 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 147 }; 148}; 149 150®_dcdc2 { 151 regulator-always-on; 152 regulator-min-microvolt = <1000000>; 153 regulator-max-microvolt = <1500000>; 154 regulator-name = "vdd-cpu"; 155}; 156 157®_dcdc3 { 158 regulator-always-on; 159 regulator-min-microvolt = <1000000>; 160 regulator-max-microvolt = <1400000>; 161 regulator-name = "vdd-int-pll"; 162}; 163 164®_ldo1 { 165 regulator-name = "vdd-rtc"; 166}; 167 168®_ldo2 { 169 regulator-always-on; 170 regulator-min-microvolt = <3000000>; 171 regulator-max-microvolt = <3000000>; 172 regulator-name = "avcc"; 173}; 174 175®_ldo3 { 176 regulator-min-microvolt = <3300000>; 177 regulator-max-microvolt = <3300000>; 178 regulator-name = "vcc-wifi"; 179}; 180 181®_usb0_vbus { 182 gpio = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */ 183 status = "okay"; 184}; 185 186&uart1 { 187 pinctrl-names = "default"; 188 pinctrl-0 = <&uart1_pins_b>; 189 status = "okay"; 190}; 191 192&usb_otg { 193 dr_mode = "otg"; 194 status = "okay"; 195}; 196 197&usb_power_supply { 198 status = "okay"; 199}; 200 201&usbphy { 202 pinctrl-names = "default"; 203 pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; 204 usb0_id_det-gpio = <&pio 6 2 GPIO_ACTIVE_HIGH>; /* PG2 */ 205 usb0_vbus_det-gpio = <&pio 6 1 GPIO_ACTIVE_HIGH>; /* PG1 */ 206 usb0_vbus_power-supply = <&usb_power_supply>; 207 usb0_vbus-supply = <®_usb0_vbus>; 208 usb1_vbus-supply = <®_ldo3>; 209 status = "okay"; 210}; 211