arch/arm/boot/dts/at91sam9260.dtsi

   1 /*
   2  * at91sam9260.dtsi - Device Tree Include file for AT91SAM9260 family SoC
   3  *
   4  *  Copyright (C) 2011 Atmel,
   5  *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>,
   6  *                2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
   7  *
   8  * Licensed under GPLv2 or later.
   9  */
  10
  11 /include/ "skeleton.dtsi"
  12
  13 / {
  14         model = "Atmel AT91SAM9260 family SoC";
  15         compatible = "atmel,at91sam9260";
  16         interrupt-parent = <&aic>;
  17
  18         aliases {
  19                 serial0 = &dbgu;
  20                 serial1 = &usart0;
  21                 serial2 = &usart1;
  22                 serial3 = &usart2;
  23                 serial4 = &usart3;
  24                 serial5 = &uart0;
  25                 serial6 = &uart1;
  26                 gpio0 = &pioA;
  27                 gpio1 = &pioB;
  28                 gpio2 = &pioC;
  29                 tcb0 = &tcb0;
  30                 tcb1 = &tcb1;
  31                 i2c0 = &i2c0;
  32                 ssc0 = &ssc0;
  33         };
  34         cpus {
  35                 #address-cells = <0>;
  36                 #size-cells = <0>;
  37
  38                 cpu {
  39                         compatible = "arm,arm926ej-s";
  40                         device_type = "cpu";
  41                 };
  42         };
  43
  44         memory {
  45                 reg = <0x20000000 0x04000000>;
  46         };
  47
  48         ahb {
  49                 compatible = "simple-bus";
  50                 #address-cells = <1>;
  51                 #size-cells = <1>;
  52                 ranges;
  53
  54                 apb {
  55                         compatible = "simple-bus";
  56                         #address-cells = <1>;
  57                         #size-cells = <1>;
  58                         ranges;
  59
  60                         aic: interrupt-controller@fffff000 {
  61                                 #interrupt-cells = <3>;
  62                                 compatible = "atmel,at91rm9200-aic";
  63                                 interrupt-controller;
  64                                 reg = <0xfffff000 0x200>;
  65                                 atmel,external-irqs = <29 30 31>;
  66                         };
  67
  68                         ramc0: ramc@ffffea00 {
  69                                 compatible = "atmel,at91sam9260-sdramc";
  70                                 reg = <0xffffea00 0x200>;
  71                         };
  72
  73                         pmc: pmc@fffffc00 {
  74                                 compatible = "atmel,at91rm9200-pmc";
  75                                 reg = <0xfffffc00 0x100>;
  76                         };
  77
  78                         rstc@fffffd00 {
  79                                 compatible = "atmel,at91sam9260-rstc";
  80                                 reg = <0xfffffd00 0x10>;
  81                         };
  82
  83                         shdwc@fffffd10 {
  84                                 compatible = "atmel,at91sam9260-shdwc";
  85                                 reg = <0xfffffd10 0x10>;
  86                         };
  87
  88                         pit: timer@fffffd30 {
  89                                 compatible = "atmel,at91sam9260-pit";
  90                                 reg = <0xfffffd30 0xf>;
  91                                 interrupts = <1 4 7>;
  92                         };
  93
  94                         tcb0: timer@fffa0000 {
  95                                 compatible = "atmel,at91rm9200-tcb";
  96                                 reg = <0xfffa0000 0x100>;
  97                                 interrupts = <17 4 0 18 4 0 19 4 0>;
  98                         };
  99
 100                         tcb1: timer@fffdc000 {
 101                                 compatible = "atmel,at91rm9200-tcb";
 102                                 reg = <0xfffdc000 0x100>;
 103                                 interrupts = <26 4 0 27 4 0 28 4 0>;
 104                         };
 105
 106                         pinctrl@fffff400 {
 107                                 #address-cells = <1>;
 108                                 #size-cells = <1>;
 109                                 compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
 110                                 ranges = <0xfffff400 0xfffff400 0x600>;
 111
 112                                 atmel,mux-mask = <
 113                                       /*    A         B     */
 114                                        0xffffffff 0xffc00c3b  /* pioA */
 115                                        0xffffffff 0x7fff3ccf  /* pioB */
 116                                        0xffffffff 0x007fffff  /* pioC */
 117                                       >;
 118
 119                                 /* shared pinctrl settings */
 120                                 dbgu {
 121                                         pinctrl_dbgu: dbgu-0 {
 122                                                 atmel,pins =
 123                                                         <1 14 0x1 0x0   /* PB14 periph A */
 124                                                          1 15 0x1 0x1>; /* PB15 periph with pullup */
 125                                         };
 126                                 };
 127
 128                                 usart0 {
 129                                         pinctrl_usart0: usart0-0 {
 130                                                 atmel,pins =
 131                                                         <1 4 0x1 0x0    /* PB4 periph A */
 132                                                          1 5 0x1 0x0>;  /* PB5 periph A */
 133                                         };
 134
 135                                         pinctrl_usart0_rts: usart0_rts-0 {
 136                                                 atmel,pins =
 137                                                         <1 26 0x1 0x0>; /* PB26 periph A */
 138                                         };
 139
 140                                         pinctrl_usart0_cts: usart0_cts-0 {
 141                                                 atmel,pins =
 142                                                         <1 27 0x1 0x0>; /* PB27 periph A */
 143                                         };
 144
 145                                         pinctrl_usart0_dtr_dsr: usart0_dtr_dsr-0 {
 146                                                 atmel,pins =
 147                                                         <1 24 0x1 0x0   /* PB24 periph A */
 148                                                          1 22 0x1 0x0>; /* PB22 periph A */
 149                                         };
 150
 151                                         pinctrl_usart0_dcd: usart0_dcd-0 {
 152                                                 atmel,pins =
 153                                                         <1 23 0x1 0x0>; /* PB23 periph A */
 154                                         };
 155
 156                                         pinctrl_usart0_ri: usart0_ri-0 {
 157                                                 atmel,pins =
 158                                                         <1 25 0x1 0x0>; /* PB25 periph A */
 159                                         };
 160                                 };
 161
 162                                 usart1 {
 163                                         pinctrl_usart1: usart1-0 {
 164                                                 atmel,pins =
 165                                                         <1 6 0x1 0x1    /* PB6 periph A with pullup */
 166                                                          1 7 0x1 0x0>;  /* PB7 periph A */
 167                                         };
 168
 169                                         pinctrl_usart1_rts: usart1_rts-0 {
 170                                                 atmel,pins =
 171                                                         <1 28 0x1 0x0>; /* PB28 periph A */
 172                                         };
 173
 174                                         pinctrl_usart1_cts: usart1_cts-0 {
 175                                                 atmel,pins =
 176                                                         <1 29 0x1 0x0>; /* PB29 periph A */
 177                                         };
 178                                 };
 179
 180                                 usart2 {
 181                                         pinctrl_usart2: usart2-0 {
 182                                                 atmel,pins =
 183                                                         <1 8 0x1 0x1    /* PB8 periph A with pullup */
 184                                                          1 9 0x1 0x0>;  /* PB9 periph A */
 185                                         };
 186
 187                                         pinctrl_usart2_rts: usart2_rts-0 {
 188                                                 atmel,pins =
 189                                                         <0 4 0x1 0x0>;  /* PA4 periph A */
 190                                         };
 191
 192                                         pinctrl_usart2_cts: usart2_cts-0 {
 193                                                 atmel,pins =
 194                                                         <0 5 0x1 0x0>;  /* PA5 periph A */
 195                                         };
 196                                 };
 197
 198                                 usart3 {
 199                                         pinctrl_usart3: usart3-0 {
 200                                                 atmel,pins =
 201                                                         <1 10 0x1 0x1   /* PB10 periph A with pullup */
 202                                                          1 11 0x1 0x0>; /* PB11 periph A */
 203                                         };
 204
 205                                         pinctrl_usart3_rts: usart3_rts-0 {
 206                                                 atmel,pins =
 207                                                         <2 8 0x2 0x0>;  /* PC8 periph B */
 208                                         };
 209
 210                                         pinctrl_usart3_cts: usart3_cts-0 {
 211                                                 atmel,pins =
 212                                                         <2 10 0x2 0x0>; /* PC10 periph B */
 213                                         };
 214                                 };
 215
 216                                 uart0 {
 217                                         pinctrl_uart0: uart0-0 {
 218                                                 atmel,pins =
 219                                                         <0 31 0x2 0x1   /* PA31 periph B with pullup */
 220                                                          0 30 0x2 0x0>; /* PA30 periph B */
 221                                         };
 222                                 };
 223
 224                                 uart1 {
 225                                         pinctrl_uart1: uart1-0 {
 226                                                 atmel,pins =
 227                                                         <1 12 0x1 0x1   /* PB12 periph A with pullup */
 228                                                          1 13 0x1 0x0>; /* PB13 periph A */
 229                                         };
 230                                 };
 231
 232                                 nand {
 233                                         pinctrl_nand: nand-0 {
 234                                                 atmel,pins =
 235                                                         <2 13 0x0 0x1   /* PC13 gpio RDY pin pull_up */
 236                                                          2 14 0x0 0x1>; /* PC14 gpio enable pin pull_up */
 237                                         };
 238                                 };
 239
 240                                 macb {
 241                                         pinctrl_macb_rmii: macb_rmii-0 {
 242                                                 atmel,pins =
 243                                                         <0 12 0x1 0x0   /* PA12 periph A */
 244                                                          0 13 0x1 0x0   /* PA13 periph A */
 245                                                          0 14 0x1 0x0   /* PA14 periph A */
 246                                                          0 15 0x1 0x0   /* PA15 periph A */
 247                                                          0 16 0x1 0x0   /* PA16 periph A */
 248                                                          0 17 0x1 0x0   /* PA17 periph A */
 249                                                          0 18 0x1 0x0   /* PA18 periph A */
 250                                                          0 19 0x1 0x0   /* PA19 periph A */
 251                                                          0 20 0x1 0x0   /* PA20 periph A */
 252                                                          0 21 0x1 0x0>; /* PA21 periph A */
 253                                         };
 254
 255                                         pinctrl_macb_rmii_mii: macb_rmii_mii-0 {
 256                                                 atmel,pins =
 257                                                         <0 22 0x2 0x0   /* PA22 periph B */
 258                                                          0 23 0x2 0x0   /* PA23 periph B */
 259                                                          0 24 0x2 0x0   /* PA24 periph B */
 260                                                          0 25 0x2 0x0   /* PA25 periph B */
 261                                                          0 26 0x2 0x0   /* PA26 periph B */
 262                                                          0 27 0x2 0x0   /* PA27 periph B */
 263                                                          0 28 0x2 0x0   /* PA28 periph B */
 264                                                          0 29 0x2 0x0>; /* PA29 periph B */
 265                                         };
 266
 267                                         pinctrl_macb_rmii_mii_alt: macb_rmii_mii-1 {
 268                                                 atmel,pins =
 269                                                         <0 10 0x2 0x0   /* PA10 periph B */
 270                                                          0 11 0x2 0x0   /* PA11 periph B */
 271                                                          0 22 0x2 0x0   /* PA22 periph B */
 272                                                          0 25 0x2 0x0   /* PA25 periph B */
 273                                                          0 26 0x2 0x0   /* PA26 periph B */
 274                                                          0 27 0x2 0x0   /* PA27 periph B */
 275                                                          0 28 0x2 0x0   /* PA28 periph B */
 276                                                          0 29 0x2 0x0>; /* PA29 periph B */
 277                                         };
 278                                 };
 279
 280                                 mmc0 {
 281                                         pinctrl_mmc0_clk: mmc0_clk-0 {
 282                                                 atmel,pins =
 283                                                         <0 8 0x1 0x0>;  /* PA8 periph A */
 284                                         };
 285
 286                                         pinctrl_mmc0_slot0_cmd_dat0: mmc0_slot0_cmd_dat0-0 {
 287                                                 atmel,pins =
 288                                                         <0 7 0x1 0x1    /* PA7 periph A with pullup */
 289                                                          0 6 0x1 0x1>;  /* PA6 periph A with pullup */
 290                                         };
 291
 292                                         pinctrl_mmc0_slot0_dat1_3: mmc0_slot0_dat1_3-0 {
 293                                                 atmel,pins =
 294                                                         <0 9 0x1 0x1    /* PA9 periph A with pullup */
 295                                                          0 10 0x1 0x1   /* PA10 periph A with pullup */
 296                                                          0 11 0x1 0x1>; /* PA11 periph A with pullup */
 297                                         };
 298
 299                                         pinctrl_mmc0_slot1_cmd_dat0: mmc0_slot1_cmd_dat0-0 {
 300                                                 atmel,pins =
 301                                                         <0 1 0x2 0x1    /* PA1 periph B with pullup */
 302                                                          0 0 0x2 0x1>;  /* PA0 periph B with pullup */
 303                                         };
 304
 305                                         pinctrl_mmc0_slot1_dat1_3: mmc0_slot1_dat1_3-0 {
 306                                                 atmel,pins =
 307                                                         <0 5 0x2 0x1    /* PA5 periph B with pullup */
 308                                                          0 4 0x2 0x1    /* PA4 periph B with pullup */
 309                                                          0 3 0x2 0x1>;  /* PA3 periph B with pullup */
 310                                         };
 311                                 };
 312
 313                                 ssc0 {
 314                                         pinctrl_ssc0_tx: ssc0_tx-0 {
 315                                                 atmel,pins =
 316                                                         <1 16 0x1 0x0   /* PB16 periph A */
 317                                                          1 17 0x1 0x0   /* PB17 periph A */
 318                                                          1 18 0x1 0x0>; /* PB18 periph A */
 319                                         };
 320
 321                                         pinctrl_ssc0_rx: ssc0_rx-0 {
 322                                                 atmel,pins =
 323                                                         <1 19 0x1 0x0   /* PB19 periph A */
 324                                                          1 20 0x1 0x0   /* PB20 periph A */
 325                                                          1 21 0x1 0x0>; /* PB21 periph A */
 326                                         };
 327                                 };
 328
 329                                 spi0 {
 330                                         pinctrl_spi0: spi0-0 {
 331                                                 atmel,pins =
 332                                                         <0 0 0x1 0x0    /* PA0 periph A SPI0_MISO pin */
 333                                                          0 1 0x1 0x0    /* PA1 periph A SPI0_MOSI pin */
 334                                                          0 2 0x1 0x0>;  /* PA2 periph A SPI0_SPCK pin */
 335                                         };
 336                                 };
 337
 338                                 spi1 {
 339                                         pinctrl_spi1: spi1-0 {
 340                                                 atmel,pins =
 341                                                         <1 0 0x1 0x0    /* PB0 periph A SPI1_MISO pin */
 342                                                          1 1 0x1 0x0    /* PB1 periph A SPI1_MOSI pin */
 343                                                          1 2 0x1 0x0>;  /* PB2 periph A SPI1_SPCK pin */
 344                                         };
 345                                 };
 346
 347                                 i2c_gpio0 {
 348                                         pinctrl_i2c_gpio0: i2c_gpio0-0 {
 349                                                 atmel,pins =
 350                                                         <0 23 0x0 0x3   /* PA23 gpio I2C_SDA pin */
 351                                                          0 24 0x0 0x3>; /* PA24 gpio I2C_SCL pin */
 352                                         };
 353                                 };
 354
 355                                 pioA: gpio@fffff400 {
 356                                         compatible = "atmel,at91rm9200-gpio";
 357                                         reg = <0xfffff400 0x200>;
 358                                         interrupts = <2 4 1>;
 359                                         #gpio-cells = <2>;
 360                                         gpio-controller;
 361                                         interrupt-controller;
 362                                         #interrupt-cells = <2>;
 363                                 };
 364
 365                                 pioB: gpio@fffff600 {
 366                                         compatible = "atmel,at91rm9200-gpio";
 367                                         reg = <0xfffff600 0x200>;
 368                                         interrupts = <3 4 1>;
 369                                         #gpio-cells = <2>;
 370                                         gpio-controller;
 371                                         interrupt-controller;
 372                                         #interrupt-cells = <2>;
 373                                 };
 374
 375                                 pioC: gpio@fffff800 {
 376                                         compatible = "atmel,at91rm9200-gpio";
 377                                         reg = <0xfffff800 0x200>;
 378                                         interrupts = <4 4 1>;
 379                                         #gpio-cells = <2>;
 380                                         gpio-controller;
 381                                         interrupt-controller;
 382                                         #interrupt-cells = <2>;
 383                                 };
 384                         };
 385
 386                         dbgu: serial@fffff200 {
 387                                 compatible = "atmel,at91sam9260-usart";
 388                                 reg = <0xfffff200 0x200>;
 389                                 interrupts = <1 4 7>;
 390                                 pinctrl-names = "default";
 391                                 pinctrl-0 = <&pinctrl_dbgu>;
 392                                 status = "disabled";
 393                         };
 394
 395                         usart0: serial@fffb0000 {
 396                                 compatible = "atmel,at91sam9260-usart";
 397                                 reg = <0xfffb0000 0x200>;
 398                                 interrupts = <6 4 5>;
 399                                 atmel,use-dma-rx;
 400                                 atmel,use-dma-tx;
 401                                 pinctrl-names = "default";
 402                                 pinctrl-0 = <&pinctrl_usart0>;
 403                                 status = "disabled";
 404                         };
 405
 406                         usart1: serial@fffb4000 {
 407                                 compatible = "atmel,at91sam9260-usart";
 408                                 reg = <0xfffb4000 0x200>;
 409                                 interrupts = <7 4 5>;
 410                                 atmel,use-dma-rx;
 411                                 atmel,use-dma-tx;
 412                                 pinctrl-names = "default";
 413                                 pinctrl-0 = <&pinctrl_usart1>;
 414                                 status = "disabled";
 415                         };
 416
 417                         usart2: serial@fffb8000 {
 418                                 compatible = "atmel,at91sam9260-usart";
 419                                 reg = <0xfffb8000 0x200>;
 420                                 interrupts = <8 4 5>;
 421                                 atmel,use-dma-rx;
 422                                 atmel,use-dma-tx;
 423                                 pinctrl-names = "default";
 424                                 pinctrl-0 = <&pinctrl_usart2>;
 425                                 status = "disabled";
 426                         };
 427
 428                         usart3: serial@fffd0000 {
 429                                 compatible = "atmel,at91sam9260-usart";
 430                                 reg = <0xfffd0000 0x200>;
 431                                 interrupts = <23 4 5>;
 432                                 atmel,use-dma-rx;
 433                                 atmel,use-dma-tx;
 434                                 pinctrl-names = "default";
 435                                 pinctrl-0 = <&pinctrl_usart3>;
 436                                 status = "disabled";
 437                         };
 438
 439                         uart0: serial@fffd4000 {
 440                                 compatible = "atmel,at91sam9260-usart";
 441                                 reg = <0xfffd4000 0x200>;
 442                                 interrupts = <24 4 5>;
 443                                 atmel,use-dma-rx;
 444                                 atmel,use-dma-tx;
 445                                 pinctrl-names = "default";
 446                                 pinctrl-0 = <&pinctrl_uart0>;
 447                                 status = "disabled";
 448                         };
 449
 450                         uart1: serial@fffd8000 {
 451                                 compatible = "atmel,at91sam9260-usart";
 452                                 reg = <0xfffd8000 0x200>;
 453                                 interrupts = <25 4 5>;
 454                                 atmel,use-dma-rx;
 455                                 atmel,use-dma-tx;
 456                                 pinctrl-names = "default";
 457                                 pinctrl-0 = <&pinctrl_uart1>;
 458                                 status = "disabled";
 459                         };
 460
 461                         macb0: ethernet@fffc4000 {
 462                                 compatible = "cdns,at32ap7000-macb", "cdns,macb";
 463                                 reg = <0xfffc4000 0x100>;
 464                                 interrupts = <21 4 3>;
 465                                 pinctrl-names = "default";
 466                                 pinctrl-0 = <&pinctrl_macb_rmii>;
 467                                 status = "disabled";
 468                         };
 469
 470                         usb1: gadget@fffa4000 {
 471                                 compatible = "atmel,at91rm9200-udc";
 472                                 reg = <0xfffa4000 0x4000>;
 473                                 interrupts = <10 4 2>;
 474                                 status = "disabled";
 475                         };
 476
 477                         i2c0: i2c@fffac000 {
 478                                 compatible = "atmel,at91sam9260-i2c";
 479                                 reg = <0xfffac000 0x100>;
 480                                 interrupts = <11 4 6>;
 481                                 #address-cells = <1>;
 482                                 #size-cells = <0>;
 483                                 status = "disabled";
 484                         };
 485
 486                         mmc0: mmc@fffa8000 {
 487                                 compatible = "atmel,hsmci";
 488                                 reg = <0xfffa8000 0x600>;
 489                                 interrupts = <9 4 0>;
 490                                 #address-cells = <1>;
 491                                 #size-cells = <0>;
 492                                 status = "disabled";
 493                         };
 494
 495                         ssc0: ssc@fffbc000 {
 496                                 compatible = "atmel,at91rm9200-ssc";
 497                                 reg = <0xfffbc000 0x4000>;
 498                                 interrupts = <14 4 5>;
 499                                 pinctrl-names = "default";
 500                                 pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
 501                                 status = "disabled";
 502                         };
 503
 504                         spi0: spi@fffc8000 {
 505                                 #address-cells = <1>;
 506                                 #size-cells = <0>;
 507                                 compatible = "atmel,at91rm9200-spi";
 508                                 reg = <0xfffc8000 0x200>;
 509                                 interrupts = <12 4 3>;
 510                                 pinctrl-names = "default";
 511                                 pinctrl-0 = <&pinctrl_spi0>;
 512                                 status = "disabled";
 513                         };
 514
 515                         spi1: spi@fffcc000 {
 516                                 #address-cells = <1>;
 517                                 #size-cells = <0>;
 518                                 compatible = "atmel,at91rm9200-spi";
 519                                 reg = <0xfffcc000 0x200>;
 520                                 interrupts = <13 4 3>;
 521                                 pinctrl-names = "default";
 522                                 pinctrl-0 = <&pinctrl_spi1>;
 523                                 status = "disabled";
 524                         };
 525
 526                         adc0: adc@fffe0000 {
 527                                 compatible = "atmel,at91sam9260-adc";
 528                                 reg = <0xfffe0000 0x100>;
 529                                 interrupts = <5 4 0>;
 530                                 atmel,adc-use-external-triggers;
 531                                 atmel,adc-channels-used = <0xf>;
 532                                 atmel,adc-vref = <3300>;
 533                                 atmel,adc-num-channels = <4>;
 534                                 atmel,adc-startup-time = <15>;
 535                                 atmel,adc-channel-base = <0x30>;
 536                                 atmel,adc-drdy-mask = <0x10000>;
 537                                 atmel,adc-status-register = <0x1c>;
 538                                 atmel,adc-trigger-register = <0x04>;
 539                                 atmel,adc-res = <8 10>;
 540                                 atmel,adc-res-names = "lowres", "highres";
 541                                 atmel,adc-use-res = "highres";
 542
 543                                 trigger@0 {
 544                                         trigger-name = "timer-counter-0";
 545                                         trigger-value = <0x1>;
 546                                 };
 547                                 trigger@1 {
 548                                         trigger-name = "timer-counter-1";
 549                                         trigger-value = <0x3>;
 550                                 };
 551
 552                                 trigger@2 {
 553                                         trigger-name = "timer-counter-2";
 554                                         trigger-value = <0x5>;
 555                                 };
 556
 557                                 trigger@3 {
 558                                         trigger-name = "external";
 559                                         trigger-value = <0x13>;
 560                                         trigger-external;
 561                                 };
 562                         };
 563
 564                         watchdog@fffffd40 {
 565                                 compatible = "atmel,at91sam9260-wdt";
 566                                 reg = <0xfffffd40 0x10>;
 567                                 status = "disabled";
 568                         };
 569                 };
 570
 571                 nand0: nand@40000000 {
 572                         compatible = "atmel,at91rm9200-nand";
 573                         #address-cells = <1>;
 574                         #size-cells = <1>;
 575                         reg = <0x40000000 0x10000000
 576                                0xffffe800 0x200
 577                               >;
 578                         atmel,nand-addr-offset = <21>;
 579                         atmel,nand-cmd-offset = <22>;
 580                         pinctrl-names = "default";
 581                         pinctrl-0 = <&pinctrl_nand>;
 582                         gpios = <&pioC 13 0
 583                                  &pioC 14 0
 584                                  0
 585                                 >;
 586                         status = "disabled";
 587                 };
 588
 589                 usb0: ohci@00500000 {
 590                         compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 591                         reg = <0x00500000 0x100000>;
 592                         interrupts = <20 4 2>;
 593                         status = "disabled";
 594                 };
 595         };
 596
 597         i2c@0 {
 598                 compatible = "i2c-gpio";
 599                 gpios = <&pioA 23 0 /* sda */
 600                          &pioA 24 0 /* scl */
 601                         >;
 602                 i2c-gpio,sda-open-drain;
 603                 i2c-gpio,scl-open-drain;
 604                 i2c-gpio,delay-us = <2>;        /* ~100 kHz */
 605                 #address-cells = <1>;
 606                 #size-cells = <0>;
 607                 pinctrl-names = "default";
 608                 pinctrl-0 = <&pinctrl_i2c_gpio0>;
 609                 status = "disabled";
 610         };
 611 };