1/* 2 * Copyright 2015 Tyler Baker 3 * 4 * Tyler Baker <tyler.baker@linaro.org> 5 * Chen-Yu Tsai <wens@csie.org> 6 * 7 * This file is dual-licensed: you can use it either under the terms 8 * of the GPL or the X11 license, at your option. Note that this dual 9 * licensing only applies to this file, and not this project as a 10 * whole. 11 * 12 * a) This file is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License as 14 * published by the Free Software Foundation; either version 2 of the 15 * License, or (at your option) any later version. 16 * 17 * This file is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * Or, alternatively, 23 * 24 * b) Permission is hereby granted, free of charge, to any person 25 * obtaining a copy of this software and associated documentation 26 * files (the "Software"), to deal in the Software without 27 * restriction, including without limitation the rights to use, 28 * copy, modify, merge, publish, distribute, sublicense, and/or 29 * sell copies of the Software, and to permit persons to whom the 30 * Software is furnished to do so, subject to the following 31 * conditions: 32 * 33 * The above copyright notice and this permission notice shall be 34 * included in all copies or substantial portions of the Software. 35 * 36 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 37 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 38 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 39 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 40 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 41 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 42 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 43 * OTHER DEALINGS IN THE SOFTWARE. 44 */ 45 46/dts-v1/; 47#include "sun9i-a80.dtsi" 48 49#include <dt-bindings/gpio/gpio.h> 50 51/ { 52 model = "Cubietech Cubieboard4"; 53 compatible = "cubietech,a80-cubieboard4", "allwinner,sun9i-a80"; 54 55 aliases { 56 serial0 = &uart0; 57 }; 58 59 chosen { 60 stdout-path = "serial0:115200n8"; 61 }; 62 63 leds { 64 compatible = "gpio-leds"; 65 pinctrl-names = "default"; 66 pinctrl-0 = <&led_pins_cubieboard4>; 67 68 green { 69 label = "cubieboard4:green:usr"; 70 gpios = <&pio 7 17 GPIO_ACTIVE_HIGH>; /* PH17 */ 71 }; 72 73 red { 74 label = "cubieboard4:red:usr"; 75 gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */ 76 }; 77 }; 78 79 wifi_pwrseq: wifi_pwrseq { 80 compatible = "mmc-pwrseq-simple"; 81 clocks = <&ac100_rtc 1>; 82 clock-names = "ext_clock"; 83 /* enables internal regulator and de-asserts reset */ 84 reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */ 85 }; 86}; 87 88&mmc0 { 89 pinctrl-names = "default"; 90 pinctrl-0 = <&mmc0_pins>, <&mmc0_cd_pin_cubieboard4>; 91 vmmc-supply = <®_dcdc1>; 92 bus-width = <4>; 93 cd-gpios = <&pio 7 18 GPIO_ACTIVE_HIGH>; /* PH18 */ 94 cd-inverted; 95 status = "okay"; 96}; 97 98&mmc1 { 99 pinctrl-names = "default"; 100 pinctrl-0 = <&mmc1_pins>, <&wifi_en_pin_cubieboard4>; 101 vmmc-supply = <®_dldo1>; 102 vqmmc-supply = <®_cldo3>; 103 mmc-pwrseq = <&wifi_pwrseq>; 104 bus-width = <4>; 105 non-removable; 106 status = "okay"; 107}; 108 109&mmc1_pins { 110 bias-pull-up; 111}; 112 113&mmc2 { 114 pinctrl-names = "default"; 115 pinctrl-0 = <&mmc2_8bit_pins>; 116 vmmc-supply = <®_dcdc1>; 117 bus-width = <8>; 118 non-removable; 119 cap-mmc-hw-reset; 120 status = "okay"; 121}; 122 123&mmc2_8bit_pins { 124 /* Increase drive strength for DDR modes */ 125 drive-strength = <40>; 126}; 127 128&osc32k { 129 /* osc32k input is from AC100 */ 130 clocks = <&ac100_rtc 0>; 131}; 132 133&pio { 134 led_pins_cubieboard4: led-pins@0 { 135 pins = "PH6", "PH17"; 136 function = "gpio_out"; 137 }; 138 139 mmc0_cd_pin_cubieboard4: mmc0_cd_pin@0 { 140 pins = "PH18"; 141 function = "gpio_in"; 142 bias-pull-up; 143 }; 144}; 145 146&r_ir { 147 status = "okay"; 148}; 149 150&r_pio { 151 wifi_en_pin_cubieboard4: wifi_en_pin@0 { 152 pins = "PL2"; 153 function = "gpio_out"; 154 }; 155}; 156 157&r_rsb { 158 status = "okay"; 159 160 axp809: pmic@3a3 { 161 reg = <0x3a3>; 162 interrupt-parent = <&nmi_intc>; 163 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 164 165 regulators { 166 reg_aldo1: aldo1 { 167 /* 168 * TODO: This should be handled by the 169 * USB PHY driver. 170 */ 171 regulator-always-on; 172 regulator-min-microvolt = <3000000>; 173 regulator-max-microvolt = <3000000>; 174 regulator-name = "vcc33-usbh"; 175 }; 176 177 reg_aldo2: aldo2 { 178 regulator-min-microvolt = <1800000>; 179 regulator-max-microvolt = <1800000>; 180 regulator-name = "vcc-pb-io-cam"; 181 }; 182 183 aldo3 { 184 /* unused */ 185 }; 186 187 reg_dc5ldo: dc5ldo { 188 regulator-always-on; 189 regulator-min-microvolt = <800000>; 190 regulator-max-microvolt = <1100000>; 191 regulator-name = "vdd-cpus-09-usbh"; 192 }; 193 194 reg_dcdc1: dcdc1 { 195 regulator-always-on; 196 regulator-min-microvolt = <3000000>; 197 regulator-max-microvolt = <3000000>; 198 regulator-name = "vcc-3v"; 199 }; 200 201 reg_dcdc2: dcdc2 { 202 regulator-min-microvolt = <800000>; 203 regulator-max-microvolt = <1100000>; 204 regulator-name = "vdd-gpu"; 205 }; 206 207 reg_dcdc3: dcdc3 { 208 regulator-always-on; 209 regulator-min-microvolt = <800000>; 210 regulator-max-microvolt = <1100000>; 211 regulator-name = "vdd-cpua"; 212 }; 213 214 reg_dcdc4: dcdc4 { 215 regulator-always-on; 216 regulator-min-microvolt = <800000>; 217 regulator-max-microvolt = <1100000>; 218 regulator-name = "vdd-sys-usb0-hdmi"; 219 }; 220 221 reg_dcdc5: dcdc5 { 222 regulator-always-on; 223 regulator-min-microvolt = <1425000>; 224 regulator-max-microvolt = <1575000>; 225 regulator-name = "vcc-dram"; 226 }; 227 228 reg_dldo1: dldo1 { 229 /* 230 * The WiFi chip supports a wide range 231 * (3.0 ~ 4.8V) of voltages, and so does 232 * this regulator (3.0 ~ 4.2V), but 233 * Allwinner SDK always sets it to 3.3V. 234 */ 235 regulator-min-microvolt = <3300000>; 236 regulator-max-microvolt = <3300000>; 237 regulator-name = "vcc-wifi"; 238 }; 239 240 reg_dldo2: dldo2 { 241 regulator-always-on; 242 regulator-min-microvolt = <3000000>; 243 regulator-max-microvolt = <3000000>; 244 regulator-name = "vcc-pl"; 245 }; 246 247 reg_eldo1: eldo1 { 248 regulator-min-microvolt = <1200000>; 249 regulator-max-microvolt = <1200000>; 250 regulator-name = "vcc-dvdd-cam"; 251 }; 252 253 reg_eldo2: eldo2 { 254 regulator-min-microvolt = <1800000>; 255 regulator-max-microvolt = <1800000>; 256 regulator-name = "vcc-pe"; 257 }; 258 259 reg_eldo3: eldo3 { 260 regulator-always-on; 261 regulator-min-microvolt = <3000000>; 262 regulator-max-microvolt = <3000000>; 263 regulator-name = "vcc-pm-codec-io1"; 264 }; 265 266 reg_ldo_io0: ldo_io0 { 267 regulator-always-on; 268 regulator-min-microvolt = <3000000>; 269 regulator-max-microvolt = <3000000>; 270 regulator-name = "vcc-pg"; 271 }; 272 273 reg_ldo_io1: ldo_io1 { 274 regulator-min-microvolt = <2500000>; 275 regulator-max-microvolt = <2500000>; 276 regulator-name = "vcc-pa-gmac-2v5"; 277 }; 278 279 reg_rtc_ldo: rtc_ldo { 280 regulator-name = "vcc-rtc-vdd1v8-io"; 281 }; 282 283 sw { 284 /* unused */ 285 }; 286 }; 287 }; 288 289 axp806: pmic@745 { 290 compatible = "x-powers,axp806"; 291 reg = <0x745>; 292 interrupt-parent = <&nmi_intc>; 293 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 294 interrupt-controller; 295 #interrupt-cells = <1>; 296 bldoin-supply = <®_dcdce>; 297 298 regulators { 299 reg_s_aldo1: aldo1 { 300 regulator-always-on; 301 regulator-min-microvolt = <3000000>; 302 regulator-max-microvolt = <3000000>; 303 regulator-name = "avcc"; 304 }; 305 306 aldo2 { 307 /* 308 * unused, but use a different name to 309 * avoid name clash with axp809's aldo's 310 */ 311 regulator-name = "s_aldo2"; 312 }; 313 314 aldo3 { 315 /* 316 * unused, but use a different name to 317 * avoid name clash with axp809's aldo's 318 */ 319 regulator-name = "s_aldo3"; 320 }; 321 322 reg_bldo1: bldo1 { 323 regulator-always-on; 324 regulator-min-microvolt = <1700000>; 325 regulator-max-microvolt = <1900000>; 326 regulator-name = "vcc18-efuse-adc-display-csi"; 327 }; 328 329 reg_bldo2: bldo2 { 330 regulator-always-on; 331 regulator-min-microvolt = <1700000>; 332 regulator-max-microvolt = <1900000>; 333 regulator-name = 334 "vdd18-drampll-vcc18-pll-cpvdd"; 335 }; 336 337 bldo3 { 338 /* unused */ 339 }; 340 341 reg_bldo4: bldo4 { 342 regulator-min-microvolt = <1100000>; 343 regulator-max-microvolt = <1300000>; 344 regulator-name = "vcc12-hsic"; 345 }; 346 347 reg_cldo1: cldo1 { 348 /* 349 * This was 3V in the original design, but 350 * 3.3V is the recommended supply voltage 351 * for the Ethernet PHY. 352 */ 353 regulator-min-microvolt = <3300000>; 354 regulator-max-microvolt = <3300000>; 355 regulator-name = "vcc-gmac-phy"; 356 }; 357 358 reg_cldo2: cldo2 { 359 regulator-min-microvolt = <2800000>; 360 regulator-max-microvolt = <2800000>; 361 regulator-name = "afvcc-cam"; 362 }; 363 364 reg_cldo3: cldo3 { 365 regulator-min-microvolt = <3000000>; 366 regulator-max-microvolt = <3000000>; 367 regulator-name = "vcc-io-wifi-codec-io2"; 368 }; 369 370 reg_dcdca: dcdca { 371 regulator-always-on; 372 regulator-min-microvolt = <800000>; 373 regulator-max-microvolt = <1100000>; 374 regulator-name = "vdd-cpub"; 375 }; 376 377 reg_dcdcd: dcdcd { 378 regulator-always-on; 379 regulator-min-microvolt = <800000>; 380 regulator-max-microvolt = <1100000>; 381 regulator-name = "vdd-vpu"; 382 }; 383 384 reg_dcdce: dcdce { 385 regulator-always-on; 386 regulator-min-microvolt = <2100000>; 387 regulator-max-microvolt = <2100000>; 388 regulator-name = "vcc-bldo-codec-ldoin"; 389 }; 390 391 sw { 392 /* 393 * unused, but use a different name to 394 * avoid name clash with axp809's sw 395 */ 396 regulator-name = "s_sw"; 397 }; 398 }; 399 }; 400 401 ac100: codec@e89 { 402 compatible = "x-powers,ac100"; 403 reg = <0xe89>; 404 405 ac100_codec: codec { 406 compatible = "x-powers,ac100-codec"; 407 interrupt-parent = <&r_pio>; 408 interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */ 409 #clock-cells = <0>; 410 clock-output-names = "4M_adda"; 411 }; 412 413 ac100_rtc: rtc { 414 compatible = "x-powers,ac100-rtc"; 415 interrupt-parent = <&nmi_intc>; 416 interrupts = <0 IRQ_TYPE_LEVEL_LOW>; 417 clocks = <&ac100_codec>; 418 #clock-cells = <1>; 419 clock-output-names = "cko1_rtc", 420 "cko2_rtc", 421 "cko3_rtc"; 422 }; 423 }; 424}; 425 426#include "axp809.dtsi" 427 428&uart0 { 429 pinctrl-names = "default"; 430 pinctrl-0 = <&uart0_pins_a>; 431 status = "okay"; 432}; 433