arch/arm/dts/sun8i-a23-a33.dtsi

   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                 pio: pinctrl@01c20800 {
 336                         /* compatible gets set in SoC specific dtsi file */
 337                         reg = <0x01c20800 0x400>;
 338                         /* interrupts get set in SoC specific dtsi file */
 339                         clocks = <&apb1_gates 5>;
 340                         gpio-controller;
 341                         interrupt-controller;
 342                         #address-cells = <1>;
 343                         #size-cells = <0>;
 344                         #gpio-cells = <3>;
 345
 346                         uart0_pins_a: uart0@0 {
 347                                 allwinner,pins = "PF2", "PF4";
 348                                 allwinner,function = "uart0";
 349                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 350                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 351                         };
 352
 353                         mmc0_pins_a: mmc0@0 {
 354                                 allwinner,pins = "PF0", "PF1", "PF2",
 355                                                  "PF3", "PF4", "PF5";
 356                                 allwinner,function = "mmc0";
 357                                 allwinner,drive = <SUN4I_PINCTRL_30_MA>;
 358                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 359                         };
 360
 361                         mmc1_pins_a: mmc1@0 {
 362                                 allwinner,pins = "PG0", "PG1", "PG2",
 363                                                  "PG3", "PG4", "PG5";
 364                                 allwinner,function = "mmc1";
 365                                 allwinner,drive = <SUN4I_PINCTRL_30_MA>;
 366                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 367                         };
 368
 369                         i2c0_pins_a: i2c0@0 {
 370                                 allwinner,pins = "PH2", "PH3";
 371                                 allwinner,function = "i2c0";
 372                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 373                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 374                         };
 375
 376                         i2c1_pins_a: i2c1@0 {
 377                                 allwinner,pins = "PH4", "PH5";
 378                                 allwinner,function = "i2c1";
 379                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 380                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 381                         };
 382
 383                         i2c2_pins_a: i2c2@0 {
 384                                 allwinner,pins = "PE12", "PE13";
 385                                 allwinner,function = "i2c2";
 386                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 387                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 388                         };
 389                 };
 390
 391                 ahb1_rst: reset@01c202c0 {
 392                         #reset-cells = <1>;
 393                         compatible = "allwinner,sun6i-a31-clock-reset";
 394                         reg = <0x01c202c0 0xc>;
 395                 };
 396
 397                 apb1_rst: reset@01c202d0 {
 398                         #reset-cells = <1>;
 399                         compatible = "allwinner,sun6i-a31-clock-reset";
 400                         reg = <0x01c202d0 0x4>;
 401                 };
 402
 403                 apb2_rst: reset@01c202d8 {
 404                         #reset-cells = <1>;
 405                         compatible = "allwinner,sun6i-a31-clock-reset";
 406                         reg = <0x01c202d8 0x4>;
 407                 };
 408
 409                 timer@01c20c00 {
 410                         compatible = "allwinner,sun4i-a10-timer";
 411                         reg = <0x01c20c00 0xa0>;
 412                         interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
 413                                      <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
 414                         clocks = <&osc24M>;
 415                 };
 416
 417                 wdt0: watchdog@01c20ca0 {
 418                         compatible = "allwinner,sun6i-a31-wdt";
 419                         reg = <0x01c20ca0 0x20>;
 420                         interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
 421                 };
 422
 423                 lradc: lradc@01c22800 {
 424                         compatible = "allwinner,sun4i-a10-lradc-keys";
 425                         reg = <0x01c22800 0x100>;
 426                         interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>;
 427                         status = "disabled";
 428                 };
 429
 430                 uart0: serial@01c28000 {
 431                         compatible = "snps,dw-apb-uart";
 432                         reg = <0x01c28000 0x400>;
 433                         interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>;
 434                         reg-shift = <2>;
 435                         reg-io-width = <4>;
 436                         clocks = <&apb2_gates 16>;
 437                         resets = <&apb2_rst 16>;
 438                         dmas = <&dma 6>, <&dma 6>;
 439                         dma-names = "rx", "tx";
 440                         status = "disabled";
 441                 };
 442
 443                 uart1: serial@01c28400 {
 444                         compatible = "snps,dw-apb-uart";
 445                         reg = <0x01c28400 0x400>;
 446                         interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
 447                         reg-shift = <2>;
 448                         reg-io-width = <4>;
 449                         clocks = <&apb2_gates 17>;
 450                         resets = <&apb2_rst 17>;
 451                         dmas = <&dma 7>, <&dma 7>;
 452                         dma-names = "rx", "tx";
 453                         status = "disabled";
 454                 };
 455
 456                 uart2: serial@01c28800 {
 457                         compatible = "snps,dw-apb-uart";
 458                         reg = <0x01c28800 0x400>;
 459                         interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
 460                         reg-shift = <2>;
 461                         reg-io-width = <4>;
 462                         clocks = <&apb2_gates 18>;
 463                         resets = <&apb2_rst 18>;
 464                         dmas = <&dma 8>, <&dma 8>;
 465                         dma-names = "rx", "tx";
 466                         status = "disabled";
 467                 };
 468
 469                 uart3: serial@01c28c00 {
 470                         compatible = "snps,dw-apb-uart";
 471                         reg = <0x01c28c00 0x400>;
 472                         interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
 473                         reg-shift = <2>;
 474                         reg-io-width = <4>;
 475                         clocks = <&apb2_gates 19>;
 476                         resets = <&apb2_rst 19>;
 477                         dmas = <&dma 9>, <&dma 9>;
 478                         dma-names = "rx", "tx";
 479                         status = "disabled";
 480                 };
 481
 482                 uart4: serial@01c29000 {
 483                         compatible = "snps,dw-apb-uart";
 484                         reg = <0x01c29000 0x400>;
 485                         interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
 486                         reg-shift = <2>;
 487                         reg-io-width = <4>;
 488                         clocks = <&apb2_gates 20>;
 489                         resets = <&apb2_rst 20>;
 490                         dmas = <&dma 10>, <&dma 10>;
 491                         dma-names = "rx", "tx";
 492                         status = "disabled";
 493                 };
 494
 495                 i2c0: i2c@01c2ac00 {
 496                         compatible = "allwinner,sun6i-a31-i2c";
 497                         reg = <0x01c2ac00 0x400>;
 498                         interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
 499                         clocks = <&apb2_gates 0>;
 500                         resets = <&apb2_rst 0>;
 501                         status = "disabled";
 502                         #address-cells = <1>;
 503                         #size-cells = <0>;
 504                 };
 505
 506                 i2c1: i2c@01c2b000 {
 507                         compatible = "allwinner,sun6i-a31-i2c";
 508                         reg = <0x01c2b000 0x400>;
 509                         interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 510                         clocks = <&apb2_gates 1>;
 511                         resets = <&apb2_rst 1>;
 512                         status = "disabled";
 513                         #address-cells = <1>;
 514                         #size-cells = <0>;
 515                 };
 516
 517                 i2c2: i2c@01c2b400 {
 518                         compatible = "allwinner,sun6i-a31-i2c";
 519                         reg = <0x01c2b400 0x400>;
 520                         interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
 521                         clocks = <&apb2_gates 2>;
 522                         resets = <&apb2_rst 2>;
 523                         status = "disabled";
 524                         #address-cells = <1>;
 525                         #size-cells = <0>;
 526                 };
 527
 528                 gic: interrupt-controller@01c81000 {
 529                         compatible = "arm,cortex-a7-gic", "arm,cortex-a15-gic";
 530                         reg = <0x01c81000 0x1000>,
 531                               <0x01c82000 0x1000>,
 532                               <0x01c84000 0x2000>,
 533                               <0x01c86000 0x2000>;
 534                         interrupt-controller;
 535                         #interrupt-cells = <3>;
 536                         interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 537                 };
 538
 539                 rtc: rtc@01f00000 {
 540                         compatible = "allwinner,sun6i-a31-rtc";
 541                         reg = <0x01f00000 0x54>;
 542                         interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
 543                                      <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
 544                 };
 545
 546                 prcm@01f01400 {
 547                         compatible = "allwinner,sun8i-a23-prcm";
 548                         reg = <0x01f01400 0x200>;
 549
 550                         ar100: ar100_clk {
 551                                 compatible = "fixed-factor-clock";
 552                                 #clock-cells = <0>;
 553                                 clock-div = <1>;
 554                                 clock-mult = <1>;
 555                                 clocks = <&osc24M>;
 556                                 clock-output-names = "ar100";
 557                         };
 558
 559                         ahb0: ahb0_clk {
 560                                 compatible = "fixed-factor-clock";
 561                                 #clock-cells = <0>;
 562                                 clock-div = <1>;
 563                                 clock-mult = <1>;
 564                                 clocks = <&ar100>;
 565                                 clock-output-names = "ahb0";
 566                         };
 567
 568                         apb0: apb0_clk {
 569                                 compatible = "allwinner,sun8i-a23-apb0-clk";
 570                                 #clock-cells = <0>;
 571                                 clocks = <&ahb0>;
 572                                 clock-output-names = "apb0";
 573                         };
 574
 575                         apb0_gates: apb0_gates_clk {
 576                                 compatible = "allwinner,sun8i-a23-apb0-gates-clk";
 577                                 #clock-cells = <1>;
 578                                 clocks = <&apb0>;
 579                                 clock-output-names = "apb0_pio", "apb0_timer",
 580                                                 "apb0_rsb", "apb0_uart",
 581                                                 "apb0_i2c";
 582                         };
 583
 584                         apb0_rst: apb0_rst {
 585                                 compatible = "allwinner,sun6i-a31-clock-reset";
 586                                 #reset-cells = <1>;
 587                         };
 588                 };
 589
 590                 cpucfg@01f01c00 {
 591                         compatible = "allwinner,sun8i-a23-cpuconfig";
 592                         reg = <0x01f01c00 0x300>;
 593                 };
 594
 595                 r_uart: serial@01f02800 {
 596                         compatible = "snps,dw-apb-uart";
 597                         reg = <0x01f02800 0x400>;
 598                         interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
 599                         reg-shift = <2>;
 600                         reg-io-width = <4>;
 601                         clocks = <&apb0_gates 4>;
 602                         resets = <&apb0_rst 4>;
 603                         status = "disabled";
 604                 };
 605
 606                 r_pio: pinctrl@01f02c00 {
 607                         compatible = "allwinner,sun8i-a23-r-pinctrl";
 608                         reg = <0x01f02c00 0x400>;
 609                         interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
 610                         clocks = <&apb0_gates 0>;
 611                         resets = <&apb0_rst 0>;
 612                         gpio-controller;
 613                         interrupt-controller;
 614                         #address-cells = <1>;
 615                         #size-cells = <0>;
 616                         #gpio-cells = <3>;
 617
 618                         r_uart_pins_a: r_uart@0 {
 619                                 allwinner,pins = "PL2", "PL3";
 620                                 allwinner,function = "s_uart";
 621                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 622                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 623                         };
 624                 };
 625         };
 626 };