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 "sun4i-a10.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/pinctrl/sun4i-a10.h> 50 #include <dt-bindings/pwm/pwm.h> 51 52 / { 53 model = "Point of View Protab2-IPS9"; 54 compatible = "pov,protab2-ips9", "allwinner,sun4i-a10"; 55 56 aliases { 57 serial0 = &uart0; 58 }; 59 60 backlight: backlight { 61 compatible = "pwm-backlight"; 62 pinctrl-names = "default"; 63 pinctrl-0 = <&bl_en_pin_protab>; 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 7 GPIO_ACTIVE_HIGH>; /* PH7 */ 68 }; 69 70 chosen { 71 stdout-path = "serial0:115200n8"; 72 }; 73 }; 74 75 &codec { 76 pinctrl-names = "default"; 77 pinctrl-0 = <&codec_pa_pin>; 78 allwinner,pa-gpios = <&pio 7 15 GPIO_ACTIVE_HIGH>; /* PH15 */ 79 status = "okay"; 80 }; 81 82 &cpu0 { 83 cpu-supply = <®_dcdc2>; 84 }; 85 86 &ehci0 { 87 status = "okay"; 88 }; 89 90 &i2c0 { 91 pinctrl-names = "default"; 92 pinctrl-0 = <&i2c0_pins_a>; 93 status = "okay"; 94 95 axp209: pmic@34 { 96 reg = <0x34>; 97 interrupts = <0>; 98 }; 99 }; 100 101 #include "axp209.dtsi" 102 103 &i2c1 { 104 pinctrl-names = "default"; 105 pinctrl-0 = <&i2c1_pins_a>; 106 status = "okay"; 107 108 /* Accelerometer */ 109 bma250@18 { 110 compatible = "bosch,bma250"; 111 reg = <0x18>; 112 interrupt-parent = <&pio>; 113 interrupts = <7 0 IRQ_TYPE_EDGE_RISING>; /* PH0 / EINT0 */ 114 }; 115 }; 116 117 &i2c2 { 118 pinctrl-names = "default"; 119 pinctrl-0 = <&i2c2_pins_a>; 120 status = "okay"; 121 122 pixcir_ts@5c { 123 pinctrl-names = "default"; 124 pinctrl-0 = <&touchscreen_pins>; 125 compatible = "pixcir,pixcir_tangoc"; 126 reg = <0x5c>; 127 interrupt-parent = <&pio>; 128 interrupts = <7 21 IRQ_TYPE_EDGE_FALLING>; /* EINT21 (PH21) */ 129 attb-gpio = <&pio 7 21 GPIO_ACTIVE_HIGH>; /* PH21 */ 130 enable-gpios = <&pio 0 5 GPIO_ACTIVE_LOW>; 131 wake-gpios = <&pio 1 13 GPIO_ACTIVE_LOW>; 132 touchscreen-size-x = <1024>; 133 touchscreen-size-y = <768>; 134 touchscreen-inverted-x; 135 touchscreen-inverted-y; 136 }; 137 }; 138 139 &lradc { 140 vref-supply = <®_ldo2>; 141 status = "okay"; 142 143 button@400 { 144 label = "Volume Up"; 145 linux,code = <KEY_VOLUMEUP>; 146 channel = <0>; 147 voltage = <400000>; 148 }; 149 150 button@800 { 151 label = "Volume Down"; 152 linux,code = <KEY_VOLUMEDOWN>; 153 channel = <0>; 154 voltage = <800000>; 155 }; 156 }; 157 158 &mmc0 { 159 pinctrl-names = "default"; 160 pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>; 161 vmmc-supply = <®_vcc3v3>; 162 bus-width = <4>; 163 cd-gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; /* PH1 */ 164 cd-inverted; 165 status = "okay"; 166 }; 167 168 &otg_sram { 169 status = "okay"; 170 }; 171 172 &pio { 173 bl_en_pin_protab: bl_en_pin@0 { 174 allwinner,pins = "PH7"; 175 allwinner,function = "gpio_out"; 176 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 177 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 178 }; 179 180 codec_pa_pin: codec_pa_pin@0 { 181 allwinner,pins = "PH15"; 182 allwinner,function = "gpio_out"; 183 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 184 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 185 }; 186 187 touchscreen_pins: touchscreen_pins@0 { 188 allwinner,pins = "PA5", "PB13"; 189 allwinner,function = "gpio_out"; 190 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 191 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 192 }; 193 194 usb0_id_detect_pin: usb0_id_detect_pin@0 { 195 allwinner,pins = "PH4"; 196 allwinner,function = "gpio_in"; 197 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 198 allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; 199 }; 200 201 usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 { 202 allwinner,pins = "PH5"; 203 allwinner,function = "gpio_in"; 204 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 205 allwinner,pull = <SUN4I_PINCTRL_PULL_DOWN>; 206 }; 207 }; 208 209 &pwm { 210 pinctrl-names = "default"; 211 pinctrl-0 = <&pwm0_pins_a>; 212 status = "okay"; 213 }; 214 215 ®_dcdc2 { 216 regulator-always-on; 217 regulator-min-microvolt = <1000000>; 218 regulator-max-microvolt = <1400000>; 219 regulator-name = "vdd-cpu"; 220 }; 221 222 ®_dcdc3 { 223 regulator-always-on; 224 regulator-min-microvolt = <1250000>; 225 regulator-max-microvolt = <1250000>; 226 regulator-name = "vdd-int-dll"; 227 }; 228 229 ®_ldo1 { 230 regulator-name = "vdd-rtc"; 231 }; 232 233 ®_ldo2 { 234 regulator-always-on; 235 regulator-min-microvolt = <3000000>; 236 regulator-max-microvolt = <3000000>; 237 regulator-name = "avcc"; 238 }; 239 240 ®_ldo3 { 241 /* 242 * We need to always power the camera sensor, otherwhise all access 243 * to i2c1 is blocked. 244 */ 245 regulator-always-on; 246 regulator-min-microvolt = <2800000>; 247 regulator-max-microvolt = <2800000>; 248 regulator-name = "vdd-csi"; 249 }; 250 251 ®_usb0_vbus { 252 status = "okay"; 253 }; 254 255 ®_usb1_vbus { 256 status = "okay"; 257 }; 258 259 &uart0 { 260 pinctrl-names = "default"; 261 pinctrl-0 = <&uart0_pins_a>; 262 status = "okay"; 263 }; 264 265 &usb_otg { 266 dr_mode = "otg"; 267 status = "okay"; 268 }; 269 270 &usbphy { 271 pinctrl-names = "default"; 272 pinctrl-0 = <&usb0_id_detect_pin>, <&usb0_vbus_detect_pin>; 273 usb0_id_det-gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */ 274 usb0_vbus_det-gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */ 275 usb0_vbus-supply = <®_usb0_vbus>; 276 usb1_vbus-supply = <®_usb1_vbus>; 277 status = "okay"; 278 }; 279