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#include "skeleton.dtsi" 46 47#include <dt-bindings/interrupt-controller/arm-gic.h> 48 49#include <dt-bindings/pinctrl/sun4i-a10.h> 50 51/ { 52 interrupt-parent = <&gic>; 53 54 chosen { 55 #address-cells = <1>; 56 #size-cells = <1>; 57 ranges; 58 59 framebuffer@0 { 60 compatible = "allwinner,simple-framebuffer", 61 "simple-framebuffer"; 62 allwinner,pipeline = "de_be0-lcd0"; 63 clocks = <&pll6 0>; 64 status = "disabled"; 65 }; 66 }; 67 68 timer { 69 compatible = "arm,armv7-timer"; 70 interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, 71 <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, 72 <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, 73 <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>; 74 clock-frequency = <24000000>; 75 arm,cpu-registers-not-fw-configured; 76 }; 77 78 cpus { 79 enable-method = "allwinner,sun8i-a23"; 80 #address-cells = <1>; 81 #size-cells = <0>; 82 83 cpu@0 { 84 compatible = "arm,cortex-a7"; 85 device_type = "cpu"; 86 reg = <0>; 87 }; 88 89 cpu@1 { 90 compatible = "arm,cortex-a7"; 91 device_type = "cpu"; 92 reg = <1>; 93 }; 94 }; 95 96 clocks { 97 #address-cells = <1>; 98 #size-cells = <1>; 99 ranges; 100 101 osc24M: osc24M_clk { 102 #clock-cells = <0>; 103 compatible = "fixed-clock"; 104 clock-frequency = <24000000>; 105 clock-output-names = "osc24M"; 106 }; 107 108 osc32k: osc32k_clk { 109 #clock-cells = <0>; 110 compatible = "fixed-clock"; 111 clock-frequency = <32768>; 112 clock-output-names = "osc32k"; 113 }; 114 115 pll1: clk@01c20000 { 116 #clock-cells = <0>; 117 compatible = "allwinner,sun8i-a23-pll1-clk"; 118 reg = <0x01c20000 0x4>; 119 clocks = <&osc24M>; 120 clock-output-names = "pll1"; 121 }; 122 123 /* dummy clock until actually implemented */ 124 pll5: pll5_clk { 125 #clock-cells = <0>; 126 compatible = "fixed-clock"; 127 clock-frequency = <0>; 128 clock-output-names = "pll5"; 129 }; 130 131 pll6: clk@01c20028 { 132 #clock-cells = <1>; 133 compatible = "allwinner,sun6i-a31-pll6-clk"; 134 reg = <0x01c20028 0x4>; 135 clocks = <&osc24M>; 136 clock-output-names = "pll6", "pll6x2"; 137 }; 138 139 cpu: cpu_clk@01c20050 { 140 #clock-cells = <0>; 141 compatible = "allwinner,sun4i-a10-cpu-clk"; 142 reg = <0x01c20050 0x4>; 143 144 /* 145 * PLL1 is listed twice here. 146 * While it looks suspicious, it's actually documented 147 * that way both in the datasheet and in the code from 148 * Allwinner. 149 */ 150 clocks = <&osc32k>, <&osc24M>, <&pll1>, <&pll1>; 151 clock-output-names = "cpu"; 152 }; 153 154 axi: axi_clk@01c20050 { 155 #clock-cells = <0>; 156 compatible = "allwinner,sun8i-a23-axi-clk"; 157 reg = <0x01c20050 0x4>; 158 clocks = <&cpu>; 159 clock-output-names = "axi"; 160 }; 161 162 ahb1: ahb1_clk@01c20054 { 163 #clock-cells = <0>; 164 compatible = "allwinner,sun6i-a31-ahb1-clk"; 165 reg = <0x01c20054 0x4>; 166 clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6 0>; 167 clock-output-names = "ahb1"; 168 }; 169 170 apb1: apb1_clk@01c20054 { 171 #clock-cells = <0>; 172 compatible = "allwinner,sun4i-a10-apb0-clk"; 173 reg = <0x01c20054 0x4>; 174 clocks = <&ahb1>; 175 clock-output-names = "apb1"; 176 }; 177 178 ahb1_gates: clk@01c20060 { 179 #clock-cells = <1>; 180 compatible = "allwinner,sun8i-a23-ahb1-gates-clk"; 181 reg = <0x01c20060 0x8>; 182 clocks = <&ahb1>; 183 clock-output-names = "ahb1_mipidsi", "ahb1_dma", 184 "ahb1_mmc0", "ahb1_mmc1", "ahb1_mmc2", 185 "ahb1_nand", "ahb1_sdram", 186 "ahb1_hstimer", "ahb1_spi0", 187 "ahb1_spi1", "ahb1_otg", "ahb1_ehci", 188 "ahb1_ohci", "ahb1_ve", "ahb1_lcd", 189 "ahb1_csi", "ahb1_be", "ahb1_fe", 190 "ahb1_gpu", "ahb1_spinlock", 191 "ahb1_drc"; 192 }; 193 194 apb1_gates: clk@01c20068 { 195 #clock-cells = <1>; 196 compatible = "allwinner,sun8i-a23-apb1-gates-clk"; 197 reg = <0x01c20068 0x4>; 198 clocks = <&apb1>; 199 clock-output-names = "apb1_codec", "apb1_pio", 200 "apb1_daudio0", "apb1_daudio1"; 201 }; 202 203 apb2: clk@01c20058 { 204 #clock-cells = <0>; 205 compatible = "allwinner,sun4i-a10-apb1-clk"; 206 reg = <0x01c20058 0x4>; 207 clocks = <&osc32k>, <&osc24M>, <&pll6 0>, <&pll6 0>; 208 clock-output-names = "apb2"; 209 }; 210 211 apb2_gates: clk@01c2006c { 212 #clock-cells = <1>; 213 compatible = "allwinner,sun8i-a23-apb2-gates-clk"; 214 reg = <0x01c2006c 0x4>; 215 clocks = <&apb2>; 216 clock-output-names = "apb2_i2c0", "apb2_i2c1", 217 "apb2_i2c2", "apb2_uart0", 218 "apb2_uart1", "apb2_uart2", 219 "apb2_uart3", "apb2_uart4"; 220 }; 221 222 mmc0_clk: clk@01c20088 { 223 #clock-cells = <1>; 224 compatible = "allwinner,sun4i-a10-mmc-clk"; 225 reg = <0x01c20088 0x4>; 226 clocks = <&osc24M>, <&pll6 0>; 227 clock-output-names = "mmc0", 228 "mmc0_output", 229 "mmc0_sample"; 230 }; 231 232 mmc1_clk: clk@01c2008c { 233 #clock-cells = <1>; 234 compatible = "allwinner,sun4i-a10-mmc-clk"; 235 reg = <0x01c2008c 0x4>; 236 clocks = <&osc24M>, <&pll6 0>; 237 clock-output-names = "mmc1", 238 "mmc1_output", 239 "mmc1_sample"; 240 }; 241 242 mmc2_clk: clk@01c20090 { 243 #clock-cells = <1>; 244 compatible = "allwinner,sun4i-a10-mmc-clk"; 245 reg = <0x01c20090 0x4>; 246 clocks = <&osc24M>, <&pll6 0>; 247 clock-output-names = "mmc2", 248 "mmc2_output", 249 "mmc2_sample"; 250 }; 251 252 usb_clk: clk@01c200cc { 253 #clock-cells = <1>; 254 #reset-cells = <1>; 255 compatible = "allwinner,sun8i-a23-usb-clk"; 256 reg = <0x01c200cc 0x4>; 257 clocks = <&osc24M>; 258 clock-output-names = "usb_phy0", "usb_phy1", "usb_hsic", 259 "usb_hsic_12M", "usb_ohci0"; 260 }; 261 }; 262 263 soc@01c00000 { 264 compatible = "simple-bus"; 265 #address-cells = <1>; 266 #size-cells = <1>; 267 ranges; 268 269 dma: dma-controller@01c02000 { 270 compatible = "allwinner,sun8i-a23-dma"; 271 reg = <0x01c02000 0x1000>; 272 interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>; 273 clocks = <&ahb1_gates 6>; 274 resets = <&ahb1_rst 6>; 275 #dma-cells = <1>; 276 }; 277 278 mmc0: mmc@01c0f000 { 279 compatible = "allwinner,sun5i-a13-mmc"; 280 reg = <0x01c0f000 0x1000>; 281 clocks = <&ahb1_gates 8>, 282 <&mmc0_clk 0>, 283 <&mmc0_clk 1>, 284 <&mmc0_clk 2>; 285 clock-names = "ahb", 286 "mmc", 287 "output", 288 "sample"; 289 resets = <&ahb1_rst 8>; 290 reset-names = "ahb"; 291 interrupts = <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>; 292 status = "disabled"; 293 #address-cells = <1>; 294 #size-cells = <0>; 295 }; 296 297 mmc1: mmc@01c10000 { 298 compatible = "allwinner,sun5i-a13-mmc"; 299 reg = <0x01c10000 0x1000>; 300 clocks = <&ahb1_gates 9>, 301 <&mmc1_clk 0>, 302 <&mmc1_clk 1>, 303 <&mmc1_clk 2>; 304 clock-names = "ahb", 305 "mmc", 306 "output", 307 "sample"; 308 resets = <&ahb1_rst 9>; 309 reset-names = "ahb"; 310 interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>; 311 status = "disabled"; 312 #address-cells = <1>; 313 #size-cells = <0>; 314 }; 315 316 mmc2: mmc@01c11000 { 317 compatible = "allwinner,sun5i-a13-mmc"; 318 reg = <0x01c11000 0x1000>; 319 clocks = <&ahb1_gates 10>, 320 <&mmc2_clk 0>, 321 <&mmc2_clk 1>, 322 <&mmc2_clk 2>; 323 clock-names = "ahb", 324 "mmc", 325 "output", 326 "sample"; 327 resets = <&ahb1_rst 10>; 328 reset-names = "ahb"; 329 interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>; 330 status = "disabled"; 331 #address-cells = <1>; 332 #size-cells = <0>; 333 }; 334 335 ehci0: usb@01c1a000 { 336 compatible = "allwinner,sun8i-a23-ehci", "generic-ehci"; 337 reg = <0x01c1a000 0x100>; 338 interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; 339 clocks = <&ahb1_gates 26>; 340 resets = <&ahb1_rst 26>; 341 status = "disabled"; 342 }; 343 344 ohci0: usb@01c1a400 { 345 compatible = "allwinner,sun8i-a23-ohci", "generic-ohci"; 346 reg = <0x01c1a400 0x100>; 347 interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; 348 clocks = <&ahb1_gates 29>, <&usb_clk 16>; 349 resets = <&ahb1_rst 29>; 350 status = "disabled"; 351 }; 352 353 pio: pinctrl@01c20800 { 354 /* compatible gets set in SoC specific dtsi file */ 355 reg = <0x01c20800 0x400>; 356 /* interrupts get set in SoC specific dtsi file */ 357 clocks = <&apb1_gates 5>; 358 gpio-controller; 359 interrupt-controller; 360 #address-cells = <1>; 361 #size-cells = <0>; 362 #gpio-cells = <3>; 363 364 uart0_pins_a: uart0@0 { 365 allwinner,pins = "PF2", "PF4"; 366 allwinner,function = "uart0"; 367 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 368 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 369 }; 370 371 mmc0_pins_a: mmc0@0 { 372 allwinner,pins = "PF0", "PF1", "PF2", 373 "PF3", "PF4", "PF5"; 374 allwinner,function = "mmc0"; 375 allwinner,drive = <SUN4I_PINCTRL_30_MA>; 376 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 377 }; 378 379 mmc1_pins_a: mmc1@0 { 380 allwinner,pins = "PG0", "PG1", "PG2", 381 "PG3", "PG4", "PG5"; 382 allwinner,function = "mmc1"; 383 allwinner,drive = <SUN4I_PINCTRL_30_MA>; 384 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 385 }; 386 387 mmc2_8bit_pins: mmc2_8bit { 388 allwinner,pins = "PC5", "PC6", "PC8", 389 "PC9", "PC10", "PC11", 390 "PC12", "PC13", "PC14", 391 "PC15"; 392 allwinner,function = "mmc2"; 393 allwinner,drive = <SUN4I_PINCTRL_30_MA>; 394 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 395 }; 396 397 i2c0_pins_a: i2c0@0 { 398 allwinner,pins = "PH2", "PH3"; 399 allwinner,function = "i2c0"; 400 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 401 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 402 }; 403 404 i2c1_pins_a: i2c1@0 { 405 allwinner,pins = "PH4", "PH5"; 406 allwinner,function = "i2c1"; 407 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 408 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 409 }; 410 411 i2c2_pins_a: i2c2@0 { 412 allwinner,pins = "PE12", "PE13"; 413 allwinner,function = "i2c2"; 414 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 415 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 416 }; 417 }; 418 419 ahb1_rst: reset@01c202c0 { 420 #reset-cells = <1>; 421 compatible = "allwinner,sun6i-a31-clock-reset"; 422 reg = <0x01c202c0 0xc>; 423 }; 424 425 apb1_rst: reset@01c202d0 { 426 #reset-cells = <1>; 427 compatible = "allwinner,sun6i-a31-clock-reset"; 428 reg = <0x01c202d0 0x4>; 429 }; 430 431 apb2_rst: reset@01c202d8 { 432 #reset-cells = <1>; 433 compatible = "allwinner,sun6i-a31-clock-reset"; 434 reg = <0x01c202d8 0x4>; 435 }; 436 437 timer@01c20c00 { 438 compatible = "allwinner,sun4i-a10-timer"; 439 reg = <0x01c20c00 0xa0>; 440 interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>, 441 <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>; 442 clocks = <&osc24M>; 443 }; 444 445 wdt0: watchdog@01c20ca0 { 446 compatible = "allwinner,sun6i-a31-wdt"; 447 reg = <0x01c20ca0 0x20>; 448 interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>; 449 }; 450 451 lradc: lradc@01c22800 { 452 compatible = "allwinner,sun4i-a10-lradc-keys"; 453 reg = <0x01c22800 0x100>; 454 interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; 455 status = "disabled"; 456 }; 457 458 uart0: serial@01c28000 { 459 compatible = "snps,dw-apb-uart"; 460 reg = <0x01c28000 0x400>; 461 interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; 462 reg-shift = <2>; 463 reg-io-width = <4>; 464 clocks = <&apb2_gates 16>; 465 resets = <&apb2_rst 16>; 466 dmas = <&dma 6>, <&dma 6>; 467 dma-names = "rx", "tx"; 468 status = "disabled"; 469 }; 470 471 uart1: serial@01c28400 { 472 compatible = "snps,dw-apb-uart"; 473 reg = <0x01c28400 0x400>; 474 interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>; 475 reg-shift = <2>; 476 reg-io-width = <4>; 477 clocks = <&apb2_gates 17>; 478 resets = <&apb2_rst 17>; 479 dmas = <&dma 7>, <&dma 7>; 480 dma-names = "rx", "tx"; 481 status = "disabled"; 482 }; 483 484 uart2: serial@01c28800 { 485 compatible = "snps,dw-apb-uart"; 486 reg = <0x01c28800 0x400>; 487 interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>; 488 reg-shift = <2>; 489 reg-io-width = <4>; 490 clocks = <&apb2_gates 18>; 491 resets = <&apb2_rst 18>; 492 dmas = <&dma 8>, <&dma 8>; 493 dma-names = "rx", "tx"; 494 status = "disabled"; 495 }; 496 497 uart3: serial@01c28c00 { 498 compatible = "snps,dw-apb-uart"; 499 reg = <0x01c28c00 0x400>; 500 interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>; 501 reg-shift = <2>; 502 reg-io-width = <4>; 503 clocks = <&apb2_gates 19>; 504 resets = <&apb2_rst 19>; 505 dmas = <&dma 9>, <&dma 9>; 506 dma-names = "rx", "tx"; 507 status = "disabled"; 508 }; 509 510 uart4: serial@01c29000 { 511 compatible = "snps,dw-apb-uart"; 512 reg = <0x01c29000 0x400>; 513 interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>; 514 reg-shift = <2>; 515 reg-io-width = <4>; 516 clocks = <&apb2_gates 20>; 517 resets = <&apb2_rst 20>; 518 dmas = <&dma 10>, <&dma 10>; 519 dma-names = "rx", "tx"; 520 status = "disabled"; 521 }; 522 523 i2c0: i2c@01c2ac00 { 524 compatible = "allwinner,sun6i-a31-i2c"; 525 reg = <0x01c2ac00 0x400>; 526 interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>; 527 clocks = <&apb2_gates 0>; 528 resets = <&apb2_rst 0>; 529 status = "disabled"; 530 #address-cells = <1>; 531 #size-cells = <0>; 532 }; 533 534 i2c1: i2c@01c2b000 { 535 compatible = "allwinner,sun6i-a31-i2c"; 536 reg = <0x01c2b000 0x400>; 537 interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; 538 clocks = <&apb2_gates 1>; 539 resets = <&apb2_rst 1>; 540 status = "disabled"; 541 #address-cells = <1>; 542 #size-cells = <0>; 543 }; 544 545 i2c2: i2c@01c2b400 { 546 compatible = "allwinner,sun6i-a31-i2c"; 547 reg = <0x01c2b400 0x400>; 548 interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; 549 clocks = <&apb2_gates 2>; 550 resets = <&apb2_rst 2>; 551 status = "disabled"; 552 #address-cells = <1>; 553 #size-cells = <0>; 554 }; 555 556 gic: interrupt-controller@01c81000 { 557 compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic"; 558 reg = <0x01c81000 0x1000>, 559 <0x01c82000 0x1000>, 560 <0x01c84000 0x2000>, 561 <0x01c86000 0x2000>; 562 interrupt-controller; 563 #interrupt-cells = <3>; 564 interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; 565 }; 566 567 rtc: rtc@01f00000 { 568 compatible = "allwinner,sun6i-a31-rtc"; 569 reg = <0x01f00000 0x54>; 570 interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>, 571 <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>; 572 }; 573 574 prcm@01f01400 { 575 compatible = "allwinner,sun8i-a23-prcm"; 576 reg = <0x01f01400 0x200>; 577 578 ar100: ar100_clk { 579 compatible = "fixed-factor-clock"; 580 #clock-cells = <0>; 581 clock-div = <1>; 582 clock-mult = <1>; 583 clocks = <&osc24M>; 584 clock-output-names = "ar100"; 585 }; 586 587 ahb0: ahb0_clk { 588 compatible = "fixed-factor-clock"; 589 #clock-cells = <0>; 590 clock-div = <1>; 591 clock-mult = <1>; 592 clocks = <&ar100>; 593 clock-output-names = "ahb0"; 594 }; 595 596 apb0: apb0_clk { 597 compatible = "allwinner,sun8i-a23-apb0-clk"; 598 #clock-cells = <0>; 599 clocks = <&ahb0>; 600 clock-output-names = "apb0"; 601 }; 602 603 apb0_gates: apb0_gates_clk { 604 compatible = "allwinner,sun8i-a23-apb0-gates-clk"; 605 #clock-cells = <1>; 606 clocks = <&apb0>; 607 clock-output-names = "apb0_pio", "apb0_timer", 608 "apb0_rsb", "apb0_uart", 609 "apb0_i2c"; 610 }; 611 612 apb0_rst: apb0_rst { 613 compatible = "allwinner,sun6i-a31-clock-reset"; 614 #reset-cells = <1>; 615 }; 616 }; 617 618 cpucfg@01f01c00 { 619 compatible = "allwinner,sun8i-a23-cpuconfig"; 620 reg = <0x01f01c00 0x300>; 621 }; 622 623 r_uart: serial@01f02800 { 624 compatible = "snps,dw-apb-uart"; 625 reg = <0x01f02800 0x400>; 626 interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>; 627 reg-shift = <2>; 628 reg-io-width = <4>; 629 clocks = <&apb0_gates 4>; 630 resets = <&apb0_rst 4>; 631 status = "disabled"; 632 }; 633 634 r_pio: pinctrl@01f02c00 { 635 compatible = "allwinner,sun8i-a23-r-pinctrl"; 636 reg = <0x01f02c00 0x400>; 637 interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>; 638 clocks = <&apb0_gates 0>; 639 resets = <&apb0_rst 0>; 640 gpio-controller; 641 interrupt-controller; 642 #address-cells = <1>; 643 #size-cells = <0>; 644 #gpio-cells = <3>; 645 646 r_uart_pins_a: r_uart@0 { 647 allwinner,pins = "PL2", "PL3"; 648 allwinner,function = "s_uart"; 649 allwinner,drive = <SUN4I_PINCTRL_10_MA>; 650 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; 651 }; 652 }; 653 }; 654}; 655