1 /* 2 * Copyright 2014 Siarhei Siamashka <siarhei.siamashka (at) gmail.com> 3 * Copyright 2015 Karsten Merker <merker (at) debian.org> 4 * Copyright 2015 Chen-Yu Tsai <wens (at) csie.org> 5 * 6 * This file is dual-licensed: you can use it either under the terms 7 * of the GPL or the X11 license, at your option. Note that this dual 8 * licensing only applies to this file, and not this project as a 9 * whole. 10 * 11 * a) This file is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of the 14 * License, or (at your option) any later version. 15 * 16 * This file is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * Or, alternatively, 22 * 23 * b) Permission is hereby granted, free of charge, to any person 24 * obtaining a copy of this software and associated documentation 25 * files (the "Software"), to deal in the Software without 26 * restriction, including without limitation the rights to use, 27 * copy, modify, merge, publish, distribute, sublicense, and/or 28 * sell copies of the Software, and to permit persons to whom the 29 * Software is furnished to do so, subject to the following 30 * conditions: 31 * 32 * The above copyright notice and this permission notice shall be 33 * included in all copies or substantial portions of the Software. 34 * 35 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 36 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 37 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 38 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 39 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 40 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 41 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 42 * OTHER DEALINGS IN THE SOFTWARE. 43 */ 44 45 /dts-v1/; 46 #include "sun6i-a31s.dtsi" 47 #include "sunxi-common-regulators.dtsi" 48 49 #include <dt-bindings/gpio/gpio.h> 50 #include <dt-bindings/input/input.h> 51 #include <dt-bindings/pinctrl/sun4i-a10.h> 52 53 / { 54 model = "MSI Primo81 tablet"; 55 compatible = "msi,primo81", "allwinner,sun6i-a31s"; 56 }; 57 58 &cpu0 { 59 cpu-supply = <®_dcdc3>; 60 }; 61 62 &ehci0 { 63 /* rtl8188etv wifi is connected here */ 64 status = "okay"; 65 }; 66 67 &i2c0 { 68 /* pull-ups and device VDDIO use AXP221 DLDO3 */ 69 pinctrl-names = "default"; 70 pinctrl-0 = <&i2c0_pins_a>; 71 status = "failed"; 72 }; 73 74 &i2c1 { 75 pinctrl-names = "default"; 76 pinctrl-0 = <&i2c1_pins_a>; 77 status = "okay"; 78 79 ctp@5d { 80 pinctrl-names = "default"; 81 pinctrl-0 = <>911_int_primo81>; 82 compatible = "goodix,gt911"; 83 reg = <0x5d>; 84 interrupt-parent = <&pio>; 85 interrupts = <0 3 IRQ_TYPE_LEVEL_HIGH>; /* PA3 */ 86 touchscreen-swapped-x-y; 87 }; 88 }; 89 90 &i2c2 { 91 pinctrl-names = "default"; 92 pinctrl-0 = <&i2c2_pins_a>; 93 status = "okay"; 94 95 accelerometer@1c { 96 pinctrl-names = "default"; 97 pinctrl-0 = <&mma8452_int_primo81>; 98 compatible = "fsl,mma8452"; 99 reg = <0x1c>; 100 interrupt-parent = <&pio>; 101 interrupts = <0 9 IRQ_TYPE_LEVEL_HIGH>; /* PA9 */ 102 #io-channel-cells = <1>; 103 }; 104 }; 105 106 &lradc { 107 vref-supply = <®_aldo3>; 108 status = "okay"; 109 110 button@158 { 111 label = "Volume Up"; 112 linux,code = <KEY_VOLUMEUP>; 113 channel = <0>; 114 voltage = <158730>; 115 }; 116 117 button@349 { 118 label = "Volume Down"; 119 linux,code = <KEY_VOLUMEDOWN>; 120 channel = <0>; 121 voltage = <349206>; 122 }; 123 }; 124 125 &mmc0 { 126 pinctrl-names = "default"; 127 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_primo81>; 128 vmmc-supply = <®_dcdc1>; 129 bus-width = <4>; 130 cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */ 131 cd-inverted; 132 status = "okay"; 133 }; 134 135 &pio { 136 gt911_int_primo81: gt911_int_pin@0 { 137 allwinner,pins = "PA3"; 138 allwinner,function = "gpio_in"; 139 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 140 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 141 }; 142 143 mma8452_int_primo81: mma8452_int_pin@0 { 144 allwinner,pins = "PA9"; 145 allwinner,function = "gpio_in"; 146 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 147 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 148 }; 149 150 mmc0_cd_pin_primo81: mmc0_cd_pin@0 { 151 allwinner,pins = "PA8"; 152 allwinner,function = "gpio_in"; 153 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 154 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 155 }; 156 }; 157 158 &p2wi { 159 status = "okay"; 160 161 axp22x: pmic@68 { 162 compatible = "x-powers,axp221"; 163 reg = <0x68>; 164 interrupt-parent = <&nmi_intc>; 165 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 166 }; 167 }; 168 169 #include "axp22x.dtsi" 170 171 ®_aldo3 { 172 regulator-always-on; 173 regulator-min-microvolt = <2700000>; 174 regulator-max-microvolt = <3300000>; 175 regulator-name = "avcc"; 176 }; 177 178 ®_dc1sw { 179 regulator-name = "vcc-lcd"; 180 }; 181 182 ®_dc5ldo { 183 regulator-min-microvolt = <700000>; 184 regulator-max-microvolt = <1320000>; 185 regulator-name = "vdd-cpus"; /* This is an educated guess */ 186 }; 187 188 ®_dcdc1 { 189 regulator-always-on; 190 regulator-min-microvolt = <3000000>; 191 regulator-max-microvolt = <3000000>; 192 regulator-name = "vcc-3v0"; 193 }; 194 195 ®_dcdc2 { 196 regulator-min-microvolt = <700000>; 197 regulator-max-microvolt = <1320000>; 198 regulator-name = "vdd-gpu"; 199 }; 200 201 ®_dcdc3 { 202 regulator-always-on; 203 regulator-min-microvolt = <700000>; 204 regulator-max-microvolt = <1320000>; 205 regulator-name = "vdd-cpu"; 206 }; 207 208 ®_dcdc4 { 209 regulator-always-on; 210 regulator-min-microvolt = <700000>; 211 regulator-max-microvolt = <1320000>; 212 regulator-name = "vdd-sys-dll"; 213 }; 214 215 ®_dcdc5 { 216 regulator-always-on; 217 regulator-min-microvolt = <1500000>; 218 regulator-max-microvolt = <1500000>; 219 regulator-name = "vcc-dram"; 220 }; 221 222 ®_dldo1 { 223 regulator-min-microvolt = <3300000>; 224 regulator-max-microvolt = <3300000>; 225 regulator-name = "vcc-wifi"; 226 }; 227 228 ®_dldo3 { 229 regulator-min-microvolt = <2800000>; 230 regulator-max-microvolt = <2800000>; 231 regulator-name = "vddio-csi"; 232 }; 233 234 ®_eldo3 { 235 regulator-min-microvolt = <1080000>; 236 regulator-max-microvolt = <1320000>; 237 regulator-name = "vdd-mipi-bridge"; 238 }; 239 240 &simplefb_lcd { 241 vcc-lcd-supply = <®_dc1sw>; 242 vdd-mipi-bridge-supply = <®_eldo3>; 243 }; 244 245 &usb_otg { 246 /* otg support requires support for AXP221 usb-power-supply and GPIO */ 247 dr_mode = "host"; 248 status = "okay"; 249 }; 250 251 &usbphy { 252 usb1_vbus-supply = <®_dldo1>; 253 status = "okay"; 254 }; 255