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#include "sun8i-reference-design-tablet.dtsi" 44 45/ { 46 aliases { 47 serial0 = &r_uart; 48 /* Make u-boot set mac-address for wifi without an eeprom */ 49 ethernet0 = &sdio_wifi; 50 }; 51 52 q8_hardwaremgr { 53 compatible = "allwinner,sunxi-q8-hardwaremgr"; 54 touchscreen-i2c-bus = <&i2c0>; 55 touchscreen-supply = <®_ldo_io1>; 56 touchscreen-power-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */ 57 }; 58 59 wifi_pwrseq: wifi_pwrseq { 60 compatible = "mmc-pwrseq-simple"; 61 /* 62 * Q8 boards use various PL# pins as wifi-en. On other boards 63 * these may be connected to a wifi module output pin. To avoid 64 * short-circuits we configure these as inputs with pull-ups via 65 * pinctrl, instead of listing them as active-low reset-gpios. 66 */ 67 pinctrl-names = "default"; 68 pinctrl-0 = <&wifi_pwrseq_pin_q8>; 69 /* The esp8089 needs 200 ms after driving wifi-en high */ 70 post-power-on-delay-ms = <200>; 71 }; 72}; 73 74&ehci0 { 75 status = "okay"; 76}; 77 78&mmc1 { 79 pinctrl-names = "default"; 80 pinctrl-0 = <&mmc1_pins_a>; 81 vmmc-supply = <®_dldo1>; 82 mmc-pwrseq = <&wifi_pwrseq>; 83 bus-width = <4>; 84 non-removable; 85 status = "okay"; 86 87 sdio_wifi: sdio_wifi@1 { 88 reg = <1>; 89 }; 90}; 91 92&mmc1_pins_a { 93 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 94}; 95 96&r_pio { 97 wifi_pwrseq_pin_q8: wifi_pwrseq_pin@0 { 98 allwinner,pins = "PL6", "PL7", "PL11"; 99 allwinner,function = "gpio_in"; 100 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 101 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 102 }; 103}; 104 105&usbphy { 106 usb1_vbus-supply = <®_dldo1>; 107}; 108 109&gsl1680 { 110 touchscreen-size-x = <1024>; 111 touchscreen-size-y = <600>; 112 touchscreen-fw-name = "silead/gsl1680-q8-700.fw"; 113 status = "okay"; 114}; 115 116®_ldo_io1 { 117 regulator-min-microvolt = <3300000>; 118 regulator-max-microvolt = <3300000>; 119 regulator-name = "vcc-touchscreen"; 120 status = "okay"; 121}; 122