1/* 2 * Copyright 2014 Chen-Yu Tsai 3 * 4 * Chen-Yu Tsai <wens@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 "sun9i-a80.dtsi" 47 48#include <dt-bindings/gpio/gpio.h> 49 50/ { 51 model = "Merrii A80 Optimus Board"; 52 compatible = "merrii,a80-optimus", "allwinner,sun9i-a80"; 53 54 aliases { 55 serial0 = &uart0; 56 serial1 = &uart4; 57 }; 58 59 chosen { 60 stdout-path = "serial0:115200n8"; 61 }; 62 63 leds { 64 compatible = "gpio-leds"; 65 66 /* The LED names match those found on the board */ 67 led2 { 68 label = "optimus:led2:usr"; 69 gpios = <&pio 7 1 GPIO_ACTIVE_HIGH>; 70 }; 71 72 led3 { 73 label = "optimus:led3:usr"; 74 gpios = <&r_pio 1 15 GPIO_ACTIVE_HIGH>; /* PM15 */ 75 }; 76 77 led4 { 78 label = "optimus:led4:usr"; 79 gpios = <&pio 7 0 GPIO_ACTIVE_HIGH>; 80 }; 81 }; 82 83 reg_usb1_vbus: usb1-vbus { 84 compatible = "regulator-fixed"; 85 regulator-name = "usb1-vbus"; 86 regulator-min-microvolt = <5000000>; 87 regulator-max-microvolt = <5000000>; 88 enable-active-high; 89 gpio = <&pio 7 4 GPIO_ACTIVE_HIGH>; /* PH4 */ 90 }; 91 92 reg_usb3_vbus: usb3-vbus { 93 compatible = "regulator-fixed"; 94 regulator-name = "usb3-vbus"; 95 regulator-min-microvolt = <5000000>; 96 regulator-max-microvolt = <5000000>; 97 enable-active-high; 98 gpio = <&pio 7 5 GPIO_ACTIVE_HIGH>; /* PH5 */ 99 }; 100 101 wifi_pwrseq: wifi-pwrseq { 102 compatible = "mmc-pwrseq-simple"; 103 clocks = <&ac100_rtc 1>; 104 clock-names = "ext_clock"; 105 /* enables internal regulator and de-asserts reset */ 106 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */ 107 }; 108}; 109 110&ehci0 { 111 status = "okay"; 112}; 113 114&ehci1 { 115 /* Enable if HSIC peripheral is connected */ 116 status = "disabled"; 117}; 118 119&ehci2 { 120 status = "okay"; 121}; 122 123&gmac { 124 pinctrl-names = "default"; 125 pinctrl-0 = <&gmac_rgmii_pins>; 126 phy-handle = <&phy1>; 127 phy-mode = "rgmii-id"; 128 phy-supply = <®_cldo1>; 129 status = "okay"; 130}; 131 132&mdio { 133 phy1: ethernet-phy@1 { 134 reg = <1>; 135 }; 136}; 137 138&mmc0 { 139 pinctrl-names = "default"; 140 pinctrl-0 = <&mmc0_pins>; 141 vmmc-supply = <®_dcdc1>; 142 bus-width = <4>; 143 cd-gpios = <&pio 7 18 GPIO_ACTIVE_LOW>; /* PH8 */ 144 status = "okay"; 145}; 146 147&mmc1 { 148 pinctrl-names = "default"; 149 pinctrl-0 = <&mmc1_pins>; 150 vmmc-supply = <®_dldo1>; 151 vqmmc-supply = <®_cldo3>; 152 mmc-pwrseq = <&wifi_pwrseq>; 153 bus-width = <4>; 154 non-removable; 155 status = "okay"; 156}; 157 158&mmc1_pins { 159 bias-pull-up; 160}; 161 162&mmc2 { 163 pinctrl-names = "default"; 164 pinctrl-0 = <&mmc2_8bit_pins>; 165 vmmc-supply = <®_dcdc1>; 166 bus-width = <8>; 167 non-removable; 168 cap-mmc-hw-reset; 169 status = "okay"; 170}; 171 172&mmc2_8bit_pins { 173 /* Increase drive strength for DDR modes */ 174 drive-strength = <40>; 175}; 176 177&ohci0 { 178 status = "okay"; 179}; 180 181&ohci2 { 182 status = "okay"; 183}; 184 185&osc32k { 186 /* osc32k input is from AC100 */ 187 clocks = <&ac100_rtc 0>; 188}; 189 190&pio { 191 vcc-pa-supply = <®_ldo_io1>; 192 vcc-pb-supply = <®_aldo2>; 193 vcc-pc-supply = <®_dcdc1>; 194 vcc-pd-supply = <®_dcdc1>; 195 vcc-pe-supply = <®_eldo2>; 196 vcc-pf-supply = <®_dcdc1>; 197 vcc-pg-supply = <®_ldo_io0>; 198 vcc-ph-supply = <®_dcdc1>; 199}; 200 201&r_ir { 202 status = "okay"; 203}; 204 205&r_pio { 206 vcc-pl-supply = <®_dldo2>; 207 vcc-pm-supply = <®_eldo3>; 208}; 209 210&r_rsb { 211 status = "okay"; 212 213 axp809: pmic@3a3 { 214 reg = <0x3a3>; 215 interrupt-parent = <&nmi_intc>; 216 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 217 218 regulators { 219 reg_aldo1: aldo1 { 220 /* 221 * TODO: This should be handled by the 222 * USB PHY driver. 223 */ 224 regulator-always-on; 225 regulator-min-microvolt = <3000000>; 226 regulator-max-microvolt = <3000000>; 227 regulator-name = "vcc33-usbh"; 228 }; 229 230 reg_aldo2: aldo2 { 231 regulator-min-microvolt = <1800000>; 232 regulator-max-microvolt = <1800000>; 233 regulator-name = "vcc-pb-io-cam"; 234 }; 235 236 aldo3 { 237 /* unused */ 238 }; 239 240 reg_dc5ldo: dc5ldo { 241 regulator-always-on; 242 regulator-min-microvolt = <800000>; 243 regulator-max-microvolt = <1100000>; 244 regulator-name = "vdd-cpus-09-usbh"; 245 }; 246 247 dc1sw { 248 /* unused */ 249 }; 250 251 reg_dcdc1: dcdc1 { 252 regulator-always-on; 253 regulator-min-microvolt = <3000000>; 254 regulator-max-microvolt = <3000000>; 255 regulator-name = "vcc-3v"; 256 }; 257 258 reg_dcdc2: dcdc2 { 259 regulator-min-microvolt = <800000>; 260 regulator-max-microvolt = <1100000>; 261 regulator-name = "vdd-gpu"; 262 }; 263 264 reg_dcdc3: dcdc3 { 265 regulator-always-on; 266 regulator-min-microvolt = <800000>; 267 regulator-max-microvolt = <1100000>; 268 regulator-name = "vdd-cpua"; 269 }; 270 271 reg_dcdc4: dcdc4 { 272 regulator-always-on; 273 regulator-min-microvolt = <800000>; 274 regulator-max-microvolt = <1100000>; 275 regulator-name = "vdd-sys-usb0-hdmi"; 276 }; 277 278 reg_dcdc5: dcdc5 { 279 regulator-always-on; 280 regulator-min-microvolt = <1425000>; 281 regulator-max-microvolt = <1575000>; 282 regulator-name = "vcc-dram"; 283 }; 284 285 reg_dldo1: dldo1 { 286 /* 287 * The WiFi chip supports a wide range 288 * (3.0 ~ 4.8V) of voltages, and so does 289 * this regulator (3.0 ~ 4.2V), but 290 * Allwinner SDK always sets it to 3.3V. 291 */ 292 regulator-min-microvolt = <3300000>; 293 regulator-max-microvolt = <3300000>; 294 regulator-name = "vcc-wifi"; 295 }; 296 297 reg_dldo2: dldo2 { 298 regulator-min-microvolt = <3000000>; 299 regulator-max-microvolt = <3000000>; 300 regulator-name = "vcc-pl"; 301 }; 302 303 reg_eldo1: eldo1 { 304 regulator-min-microvolt = <1200000>; 305 regulator-max-microvolt = <1200000>; 306 regulator-name = "vcc-dvdd-cam"; 307 }; 308 309 reg_eldo2: eldo2 { 310 regulator-min-microvolt = <1800000>; 311 regulator-max-microvolt = <1800000>; 312 regulator-name = "vcc-pe"; 313 }; 314 315 reg_eldo3: eldo3 { 316 regulator-min-microvolt = <3000000>; 317 regulator-max-microvolt = <3000000>; 318 regulator-name = "vcc-pm-codec-io1"; 319 }; 320 321 reg_ldo_io0: ldo_io0 { 322 regulator-min-microvolt = <3000000>; 323 regulator-max-microvolt = <3000000>; 324 regulator-name = "vcc-pg"; 325 }; 326 327 reg_ldo_io1: ldo_io1 { 328 regulator-min-microvolt = <2500000>; 329 regulator-max-microvolt = <2500000>; 330 regulator-name = "vcc-pa-gmac-2v5"; 331 }; 332 333 reg_rtc_ldo: rtc_ldo { 334 regulator-name = "vcc-rtc-vdd1v8-io"; 335 }; 336 337 sw { 338 /* unused */ 339 }; 340 }; 341 }; 342 343 axp806: pmic@745 { 344 compatible = "x-powers,axp806"; 345 reg = <0x745>; 346 interrupt-parent = <&nmi_intc>; 347 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 348 interrupt-controller; 349 #interrupt-cells = <1>; 350 bldoin-supply = <®_dcdce>; 351 352 regulators { 353 reg_s_aldo1: aldo1 { 354 regulator-always-on; 355 regulator-min-microvolt = <3000000>; 356 regulator-max-microvolt = <3000000>; 357 regulator-name = "avcc"; 358 }; 359 360 aldo2 { 361 /* 362 * unused, but use a different name to 363 * avoid name clash with axp809's aldo's 364 */ 365 regulator-name = "s_aldo2"; 366 }; 367 368 aldo3 { 369 /* 370 * unused, but use a different name to 371 * avoid name clash with axp809's aldo's 372 */ 373 regulator-name = "s_aldo3"; 374 }; 375 376 reg_bldo1: bldo1 { 377 regulator-always-on; 378 regulator-min-microvolt = <1700000>; 379 regulator-max-microvolt = <1900000>; 380 regulator-name = "vcc18-efuse-adc-display-csi"; 381 }; 382 383 reg_bldo2: bldo2 { 384 regulator-always-on; 385 regulator-min-microvolt = <1700000>; 386 regulator-max-microvolt = <1900000>; 387 regulator-name = 388 "vdd18-drampll-vcc18-pll-cpvdd"; 389 }; 390 391 bldo3 { 392 /* unused */ 393 }; 394 395 reg_bldo4: bldo4 { 396 regulator-min-microvolt = <1100000>; 397 regulator-max-microvolt = <1300000>; 398 regulator-name = "vcc12-hsic"; 399 }; 400 401 reg_cldo1: cldo1 { 402 /* 403 * This was 3V in the original design, but 404 * 3.3V is the recommended supply voltage 405 * for the Ethernet PHY. 406 */ 407 regulator-min-microvolt = <3300000>; 408 regulator-max-microvolt = <3300000>; 409 /* 410 * The PHY requires 20ms after all voltages 411 * are applied until core logic is ready and 412 * 30ms after the reset pin is de-asserted. 413 * Set a 100ms delay to account for PMIC 414 * ramp time and board traces. 415 */ 416 regulator-enable-ramp-delay = <100000>; 417 regulator-name = "vcc-gmac-phy"; 418 }; 419 420 reg_cldo2: cldo2 { 421 regulator-min-microvolt = <2800000>; 422 regulator-max-microvolt = <2800000>; 423 regulator-name = "afvcc-cam"; 424 }; 425 426 reg_cldo3: cldo3 { 427 regulator-min-microvolt = <3000000>; 428 regulator-max-microvolt = <3000000>; 429 regulator-name = "vcc-io-wifi-codec-io2"; 430 }; 431 432 reg_dcdca: dcdca { 433 regulator-always-on; 434 regulator-min-microvolt = <800000>; 435 regulator-max-microvolt = <1100000>; 436 regulator-name = "vdd-cpub"; 437 }; 438 439 reg_dcdcd: dcdcd { 440 regulator-always-on; 441 regulator-min-microvolt = <800000>; 442 regulator-max-microvolt = <1100000>; 443 regulator-name = "vdd-vpu"; 444 }; 445 446 reg_dcdce: dcdce { 447 regulator-always-on; 448 regulator-min-microvolt = <2100000>; 449 regulator-max-microvolt = <2100000>; 450 regulator-name = "vcc-bldo-codec-ldoin"; 451 }; 452 453 sw { 454 /* 455 * unused, but use a different name to 456 * avoid name clash with axp809's sw 457 */ 458 regulator-name = "s_sw"; 459 }; 460 }; 461 }; 462 463 ac100: codec@e89 { 464 compatible = "x-powers,ac100"; 465 reg = <0xe89>; 466 467 ac100_codec: codec { 468 compatible = "x-powers,ac100-codec"; 469 interrupt-parent = <&r_pio>; 470 interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */ 471 #clock-cells = <0>; 472 clock-output-names = "4M_adda"; 473 }; 474 475 ac100_rtc: rtc { 476 compatible = "x-powers,ac100-rtc"; 477 interrupt-parent = <&nmi_intc>; 478 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 479 clocks = <&ac100_codec>; 480 #clock-cells = <1>; 481 clock-output-names = "cko1_rtc", 482 "cko2_rtc", 483 "cko3_rtc"; 484 }; 485 }; 486}; 487 488#include "axp809.dtsi" 489 490&uart0 { 491 pinctrl-names = "default"; 492 pinctrl-0 = <&uart0_ph_pins>; 493 status = "okay"; 494}; 495 496&usbphy1 { 497 phy-supply = <®_usb1_vbus>; 498 status = "okay"; 499}; 500 501&usbphy2 { 502 phy-supply = <®_bldo4>; 503 /* Enable if HSIC peripheral is connected */ 504 status = "disabled"; 505}; 506 507&usbphy3 { 508 phy-supply = <®_usb3_vbus>; 509 status = "okay"; 510}; 511