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| 1 | +/* |
| 2 | + * Copyright 2016 Quentin Schulz |
| 3 | + * |
| 4 | + * Quentin Schulz <quentin.schulz@free-electrons.com> |
| 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 "sun8i-a33.dtsi" |
| 47 | +#include "sunxi-common-regulators.dtsi" |
| 48 | + |
| 49 | +#include <dt-bindings/gpio/gpio.h> |
| 50 | +#include <dt-bindings/input/input.h> |
| 51 | + |
| 52 | +/ { |
| 53 | + model = "Allwinner R16 EVB (Parrot)"; |
| 54 | + compatible = "allwinner,parrot", "allwinner,sun8i-a33"; |
| 55 | + |
| 56 | + aliases { |
| 57 | + serial0 = &uart0; |
| 58 | + }; |
| 59 | + |
| 60 | + chosen { |
| 61 | + stdout-path = "serial0:115200n8"; |
| 62 | + }; |
| 63 | + |
| 64 | + leds { |
| 65 | + compatible = "gpio-leds"; |
| 66 | + pinctrl-names = "default"; |
| 67 | + pinctrl-0 = <&led_pins_parrot>; |
| 68 | + |
| 69 | + led1 { |
| 70 | + label = "parrot:led1:usr"; |
| 71 | + gpio = <&pio 4 17 GPIO_ACTIVE_HIGH>; /* PE17 */ |
| 72 | + }; |
| 73 | + |
| 74 | + led2 { |
| 75 | + label = "parrot:led2:usr"; |
| 76 | + gpio = <&pio 4 16 GPIO_ACTIVE_HIGH>; /* PE16 */ |
| 77 | + }; |
| 78 | + }; |
| 79 | + |
| 80 | + wifi_pwrseq: wifi_pwrseq { |
| 81 | + compatible = "mmc-pwrseq-simple"; |
| 82 | + reset-gpios = <&r_pio 0 6 GPIO_ACTIVE_LOW>; /* PL06 */ |
| 83 | + }; |
| 84 | + |
| 85 | +}; |
| 86 | + |
| 87 | +&ehci0 { |
| 88 | + status = "okay"; |
| 89 | +}; |
| 90 | + |
| 91 | +&i2c1 { |
| 92 | + pinctrl-names = "default"; |
| 93 | + pinctrl-0 = <&i2c1_pins_a>; |
| 94 | + status = "okay"; |
| 95 | + |
| 96 | + /* |
| 97 | + * FIXME: An as-yet-unknown accelerometer is connected to this |
| 98 | + * i2c bus. |
| 99 | + */ |
| 100 | +}; |
| 101 | + |
| 102 | +&lradc { |
| 103 | + vref-supply = <®_aldo3>; |
| 104 | + status = "okay"; |
| 105 | + |
| 106 | + button@0 { |
| 107 | + label = "V+"; |
| 108 | + linux,code = <KEY_VOLUMEUP>; |
| 109 | + channel = <0>; |
| 110 | + voltage = <190000>; |
| 111 | + }; |
| 112 | + |
| 113 | + button@1 { |
| 114 | + label = "V-"; |
| 115 | + linux,code = <KEY_VOLUMEDOWN>; |
| 116 | + channel = <0>; |
| 117 | + voltage = <390000>; |
| 118 | + }; |
| 119 | + |
| 120 | +}; |
| 121 | + |
| 122 | +&mmc0 { |
| 123 | + pinctrl-names = "default"; |
| 124 | + pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_parrot>; |
| 125 | + vmmc-supply = <®_dcdc1>; |
| 126 | + cd-gpios = <&pio 3 14 GPIO_ACTIVE_LOW>; /* PD14 */ |
| 127 | + bus-width = <4>; |
| 128 | + status = "okay"; |
| 129 | +}; |
| 130 | + |
| 131 | +&mmc1 { |
| 132 | + pinctrl-names = "default"; |
| 133 | + pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_parrot>; |
| 134 | + vmmc-supply = <®_aldo1>; |
| 135 | + mmc-pwrseq = <&wifi_pwrseq>; |
| 136 | + bus-width = <4>; |
| 137 | + non-removable; |
| 138 | + status = "okay"; |
| 139 | +}; |
| 140 | + |
| 141 | +&mmc2 { |
| 142 | + pinctrl-names = "default"; |
| 143 | + pinctrl-0 = <&mmc2_8bit_pins>; |
| 144 | + vmmc-supply = <®_dcdc1>; |
| 145 | + bus-width = <8>; |
| 146 | + non-removable; |
| 147 | + cap-mmc-hw-reset; |
| 148 | + status = "okay"; |
| 149 | +}; |
| 150 | + |
| 151 | +&mmc2_8bit_pins { |
| 152 | + allwinner,drive = <SUN4I_PINCTRL_40_MA>; |
| 153 | + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; |
| 154 | +}; |
| 155 | + |
| 156 | +&ohci0 { |
| 157 | + status = "okay"; |
| 158 | +}; |
| 159 | + |
| 160 | +&pio { |
| 161 | + mmc0_cd_pin_parrot: mmc0_cd_pin@0 { |
| 162 | + allwinner,pins = "PD14"; |
| 163 | + allwinner,function = "gpio_in"; |
| 164 | + allwinner,drive = <SUN4I_PINCTRL_10_MA>; |
| 165 | + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; |
| 166 | + }; |
| 167 | + |
| 168 | + led_pins_parrot: led_pins@0 { |
| 169 | + allwinner,pins = "PE16", "PE17"; |
| 170 | + allwinner,function = "gpio_out"; |
| 171 | + allwinner,drive = <SUN4I_PINCTRL_10_MA>; |
| 172 | + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; |
| 173 | + }; |
| 174 | + |
| 175 | + usb0_id_det: usb0_id_detect_pin@0 { |
| 176 | + allwinner,pins = "PD10"; |
| 177 | + allwinner,function = "gpio_in"; |
| 178 | + allwinner,drive = <SUN4I_PINCTRL_10_MA>; |
| 179 | + allwinner,pull = <SUN4I_PINCTRL_PULL_UP>; |
| 180 | + }; |
| 181 | + |
| 182 | + usb1_vbus_pin_parrot: usb1_vbus_pin@0 { |
| 183 | + allwinner,pins = "PD12"; |
| 184 | + allwinner,function = "gpio_out"; |
| 185 | + allwinner,drive = <SUN4I_PINCTRL_10_MA>; |
| 186 | + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; |
| 187 | + }; |
| 188 | +}; |
| 189 | + |
| 190 | +&r_pio { |
| 191 | + wifi_reset_pin_parrot: wifi_reset_pin@0 { |
| 192 | + allwinner,pins = "PL6"; |
| 193 | + allwinner,function = "gpio_out"; |
| 194 | + allwinner,drive = <SUN4I_PINCTRL_10_MA>; |
| 195 | + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; |
| 196 | + }; |
| 197 | +}; |
| 198 | + |
| 199 | +&r_rsb { |
| 200 | + status = "okay"; |
| 201 | + |
| 202 | + axp22x: pmic@3a3 { |
| 203 | + compatible = "x-powers,axp223"; |
| 204 | + reg = <0x3a3>; |
| 205 | + interrupt-parent = <&nmi_intc>; |
| 206 | + interrupts = <0 IRQ_TYPE_LEVEL_LOW>; |
| 207 | + drivevbus-supply = <®_vcc5v0>; |
| 208 | + x-powers,drive-vbus-en; |
| 209 | + }; |
| 210 | +}; |
| 211 | + |
| 212 | +#include "axp22x.dtsi" |
| 213 | + |
| 214 | +®_aldo1 { |
| 215 | + regulator-always-on; |
| 216 | + regulator-min-microvolt = <3000000>; |
| 217 | + regulator-max-microvolt = <3000000>; |
| 218 | + regulator-name = "vcc-io"; |
| 219 | +}; |
| 220 | + |
| 221 | +®_aldo2 { |
| 222 | + regulator-always-on; |
| 223 | + regulator-min-microvolt = <2350000>; |
| 224 | + regulator-max-microvolt = <2650000>; |
| 225 | + regulator-name = "vdd-dll"; |
| 226 | +}; |
| 227 | + |
| 228 | +®_aldo3 { |
| 229 | + regulator-always-on; |
| 230 | + regulator-min-microvolt = <2700000>; |
| 231 | + regulator-max-microvolt = <3300000>; |
| 232 | + regulator-name = "vcc-pll-avcc"; |
| 233 | +}; |
| 234 | + |
| 235 | +®_dc5ldo { |
| 236 | + regulator-always-on; |
| 237 | + regulator-min-microvolt = <900000>; |
| 238 | + regulator-max-microvolt = <1400000>; |
| 239 | + regulator-name = "vdd-cpus"; |
| 240 | +}; |
| 241 | + |
| 242 | +®_dcdc1 { |
| 243 | + regulator-always-on; |
| 244 | + regulator-min-microvolt = <3000000>; |
| 245 | + regulator-max-microvolt = <3000000>; |
| 246 | + regulator-name = "vcc-3v0"; |
| 247 | +}; |
| 248 | + |
| 249 | +®_dcdc2 { |
| 250 | + regulator-always-on; |
| 251 | + regulator-min-microvolt = <900000>; |
| 252 | + regulator-max-microvolt = <1400000>; |
| 253 | + regulator-name = "vdd-sys"; |
| 254 | +}; |
| 255 | + |
| 256 | +®_dcdc3 { |
| 257 | + regulator-always-on; |
| 258 | + regulator-min-microvolt = <900000>; |
| 259 | + regulator-max-microvolt = <1400000>; |
| 260 | + regulator-name = "vdd-cpu"; |
| 261 | +}; |
| 262 | + |
| 263 | +®_dcdc5 { |
| 264 | + regulator-always-on; |
| 265 | + regulator-min-microvolt = <1500000>; |
| 266 | + regulator-max-microvolt = <1500000>; |
| 267 | + regulator-name = "vcc-dram"; |
| 268 | +}; |
| 269 | + |
| 270 | +®_dldo1 { |
| 271 | + /* |
| 272 | + * TODO: WiFi chip needs dldo1 AND dldo2 to be on to be powered. |
| 273 | + * Remove next line once it is possible to sync two regulators. |
| 274 | + */ |
| 275 | + regulator-always-on; |
| 276 | + regulator-min-microvolt = <3300000>; |
| 277 | + regulator-max-microvolt = <3300000>; |
| 278 | + regulator-name = "vcc-wifi0"; |
| 279 | +}; |
| 280 | + |
| 281 | +®_dldo2 { |
| 282 | + /* |
| 283 | + * TODO: WiFi chip needs dldo1 AND dldo2 to be on to be powered. |
| 284 | + * Remove next line once it is possible to sync two regulators. |
| 285 | + */ |
| 286 | + regulator-always-on; |
| 287 | + regulator-min-microvolt = <3300000>; |
| 288 | + regulator-max-microvolt = <3300000>; |
| 289 | + regulator-name = "vcc-wifi1"; |
| 290 | +}; |
| 291 | + |
| 292 | +®_dldo3 { |
| 293 | + regulator-min-microvolt = <3000000>; |
| 294 | + regulator-max-microvolt = <3000000>; |
| 295 | + regulator-name = "vcc-3v0-csi"; |
| 296 | +}; |
| 297 | + |
| 298 | +®_drivevbus { |
| 299 | + regulator-name = "usb0-vbus"; |
| 300 | + status = "okay"; |
| 301 | +}; |
| 302 | + |
| 303 | +®_eldo1 { |
| 304 | + regulator-min-microvolt = <1200000>; |
| 305 | + regulator-max-microvolt = <1200000>; |
| 306 | + regulator-name = "vcc-1v2-hsic"; |
| 307 | +}; |
| 308 | + |
| 309 | +®_eldo2 { |
| 310 | + regulator-min-microvolt = <3000000>; |
| 311 | + regulator-max-microvolt = <3000000>; |
| 312 | + regulator-name = "vcc-dsp"; |
| 313 | +}; |
| 314 | + |
| 315 | +®_eldo3 { |
| 316 | + regulator-min-microvolt = <3000000>; |
| 317 | + regulator-max-microvolt = <3000000>; |
| 318 | + regulator-name = "eldo3"; |
| 319 | +}; |
| 320 | + |
| 321 | +®_usb1_vbus { |
| 322 | + pinctrl-names = "default"; |
| 323 | + pinctrl-0 = <&usb1_vbus_pin_parrot>; |
| 324 | + gpio = <&pio 3 12 GPIO_ACTIVE_HIGH>; /* PD12 */ |
| 325 | + status = "okay"; |
| 326 | +}; |
| 327 | + |
| 328 | +&uart0 { |
| 329 | + pinctrl-names = "default"; |
| 330 | + pinctrl-0 = <&uart0_pins_b>; |
| 331 | + status = "okay"; |
| 332 | +}; |
| 333 | + |
| 334 | +&usb_otg { |
| 335 | + dr_mode = "otg"; |
| 336 | + status = "okay"; |
| 337 | +}; |
| 338 | + |
| 339 | +&usb_power_supply { |
| 340 | + status = "okay"; |
| 341 | +}; |
| 342 | + |
| 343 | +&usbphy { |
| 344 | + status = "okay"; |
| 345 | + pinctrl-names = "default"; |
| 346 | + pinctrl-0 = <&usb0_id_det>; |
| 347 | + usb0_vbus-supply = <®_drivevbus>; |
| 348 | + usb0_id_det-gpios = <&pio 3 10 GPIO_ACTIVE_HIGH>; /* PD10 */ |
| 349 | + usb0_vbus_power-supply = <&usb_power_supply>; |
| 350 | + usb1_vbus-supply = <®_usb1_vbus>; |
| 351 | +}; |
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