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                 cpu@0 {
  36                         compatible = "arm,arm926ejs";
  37                 };
  38         };
  39
  40         memory {
  41                 reg = <0x20000000 0x04000000>;
  42         };
  43
  44         ahb {
  45                 compatible = "simple-bus";
  46                 #address-cells = <1>;
  47                 #size-cells = <1>;
  48                 ranges;
  49
  50                 apb {
  51                         compatible = "simple-bus";
  52                         #address-cells = <1>;
  53                         #size-cells = <1>;
  54                         ranges;
  55
  56                         aic: interrupt-controller@fffff000 {
  57                                 #interrupt-cells = <3>;
  58                                 compatible = "atmel,at91rm9200-aic";
  59                                 interrupt-controller;
  60                                 reg = <0xfffff000 0x200>;
  61                                 atmel,external-irqs = <29 30 31>;
  62                         };
  63
  64                         ramc0: ramc@ffffea00 {
  65                                 compatible = "atmel,at91sam9260-sdramc";
  66                                 reg = <0xffffea00 0x200>;
  67                         };
  68
  69                         pmc: pmc@fffffc00 {
  70                                 compatible = "atmel,at91rm9200-pmc";
  71                                 reg = <0xfffffc00 0x100>;
  72                         };
  73
  74                         rstc@fffffd00 {
  75                                 compatible = "atmel,at91sam9260-rstc";
  76                                 reg = <0xfffffd00 0x10>;
  77                         };
  78
  79                         shdwc@fffffd10 {
  80                                 compatible = "atmel,at91sam9260-shdwc";
  81                                 reg = <0xfffffd10 0x10>;
  82                         };
  83
  84                         pit: timer@fffffd30 {
  85                                 compatible = "atmel,at91sam9260-pit";
  86                                 reg = <0xfffffd30 0xf>;
  87                                 interrupts = <1 4 7>;
  88                         };
  89
  90                         tcb0: timer@fffa0000 {
  91                                 compatible = "atmel,at91rm9200-tcb";
  92                                 reg = <0xfffa0000 0x100>;
  93                                 interrupts = <17 4 0 18 4 0 19 4 0>;
  94                         };
  95
  96                         tcb1: timer@fffdc000 {
  97                                 compatible = "atmel,at91rm9200-tcb";
  98                                 reg = <0xfffdc000 0x100>;
  99                                 interrupts = <26 4 0 27 4 0 28 4 0>;
 100                         };
 101
 102                         pinctrl@fffff400 {
 103                                 #address-cells = <1>;
 104                                 #size-cells = <1>;
 105                                 compatible = "atmel,at91rm9200-pinctrl", "simple-bus";
 106                                 ranges = <0xfffff400 0xfffff400 0x600>;
 107
 108                                 atmel,mux-mask = <
 109                                       /*    A         B     */
 110                                        0xffffffff 0xffc00c3b  /* pioA */
 111                                        0xffffffff 0x7fff3ccf  /* pioB */
 112                                        0xffffffff 0x007fffff  /* pioC */
 113                                       >;
 114
 115                                 /* shared pinctrl settings */
 116                                 dbgu {
 117                                         pinctrl_dbgu: dbgu-0 {
 118                                                 atmel,pins =
 119                                                         <1 14 0x1 0x0   /* PB14 periph A */
 120                                                          1 15 0x1 0x1>; /* PB15 periph with pullup */
 121                                         };
 122                                 };
 123
 124                                 usart0 {
 125                                         pinctrl_usart0: usart0-0 {
 126                                                 atmel,pins =
 127                                                         <1 4 0x1 0x0    /* PB4 periph A */
 128                                                          1 5 0x1 0x0>;  /* PB5 periph A */
 129                                         };
 130
 131                                         pinctrl_usart0_rts: usart0_rts-0 {
 132                                                 atmel,pins =
 133                                                         <1 26 0x1 0x0>; /* PB26 periph A */
 134                                         };
 135
 136                                         pinctrl_usart0_cts: usart0_cts-0 {
 137                                                 atmel,pins =
 138                                                         <1 27 0x1 0x0>; /* PB27 periph A */
 139                                         };
 140
 141                                         pinctrl_usart0_dtr_dsr: usart0_dtr_dsr-0 {
 142                                                 atmel,pins =
 143                                                         <1 24 0x1 0x0   /* PB24 periph A */
 144                                                          1 22 0x1 0x0>; /* PB22 periph A */
 145                                         };
 146
 147                                         pinctrl_usart0_dcd: usart0_dcd-0 {
 148                                                 atmel,pins =
 149                                                         <1 23 0x1 0x0>; /* PB23 periph A */
 150                                         };
 151
 152                                         pinctrl_usart0_ri: usart0_ri-0 {
 153                                                 atmel,pins =
 154                                                         <1 25 0x1 0x0>; /* PB25 periph A */
 155                                         };
 156                                 };
 157
 158                                 usart1 {
 159                                         pinctrl_usart1: usart1-0 {
 160                                                 atmel,pins =
 161                                                         <1 6 0x1 0x1    /* PB6 periph A with pullup */
 162                                                          1 7 0x1 0x0>;  /* PB7 periph A */
 163                                         };
 164
 165                                         pinctrl_usart1_rts: usart1_rts-0 {
 166                                                 atmel,pins =
 167                                                         <1 28 0x1 0x0>; /* PB28 periph A */
 168                                         };
 169
 170                                         pinctrl_usart1_cts: usart1_cts-0 {
 171                                                 atmel,pins =
 172                                                         <1 29 0x1 0x0>; /* PB29 periph A */
 173                                         };
 174                                 };
 175
 176                                 usart2 {
 177                                         pinctrl_usart2: usart2-0 {
 178                                                 atmel,pins =
 179                                                         <1 8 0x1 0x1    /* PB8 periph A with pullup */
 180                                                          1 9 0x1 0x0>;  /* PB9 periph A */
 181                                         };
 182
 183                                         pinctrl_usart2_rts: usart2_rts-0 {
 184                                                 atmel,pins =
 185                                                         <0 4 0x1 0x0>;  /* PA4 periph A */
 186                                         };
 187
 188                                         pinctrl_usart2_cts: usart2_cts-0 {
 189                                                 atmel,pins =
 190                                                         <0 5 0x1 0x0>;  /* PA5 periph A */
 191                                         };
 192                                 };
 193
 194                                 usart3 {
 195                                         pinctrl_usart3: usart3-0 {
 196                                                 atmel,pins =
 197                                                         <1 10 0x1 0x1   /* PB10 periph A with pullup */
 198                                                          1 11 0x1 0x0>; /* PB11 periph A */
 199                                         };
 200
 201                                         pinctrl_usart3_rts: usart3_rts-0 {
 202                                                 atmel,pins =
 203                                                         <2 8 0x2 0x0>;  /* PC8 periph B */
 204                                         };
 205
 206                                         pinctrl_usart3_cts: usart3_cts-0 {
 207                                                 atmel,pins =
 208                                                         <2 10 0x2 0x0>; /* PC10 periph B */
 209                                         };
 210                                 };
 211
 212                                 uart0 {
 213                                         pinctrl_uart0: uart0-0 {
 214                                                 atmel,pins =
 215                                                         <0 31 0x2 0x1   /* PA31 periph B with pullup */
 216                                                          0 30 0x2 0x0>; /* PA30 periph B */
 217                                         };
 218                                 };
 219
 220                                 uart1 {
 221                                         pinctrl_uart1: uart1-0 {
 222                                                 atmel,pins =
 223                                                         <1 12 0x1 0x1   /* PB12 periph A with pullup */
 224                                                          1 13 0x1 0x0>; /* PB13 periph A */
 225                                         };
 226                                 };
 227
 228                                 nand {
 229                                         pinctrl_nand: nand-0 {
 230                                                 atmel,pins =
 231                                                         <2 13 0x0 0x1   /* PC13 gpio RDY pin pull_up */
 232                                                          2 14 0x0 0x1>; /* PC14 gpio enable pin pull_up */
 233                                         };
 234                                 };
 235
 236                                 macb {
 237                                         pinctrl_macb_rmii: macb_rmii-0 {
 238                                                 atmel,pins =
 239                                                         <0 12 0x1 0x0   /* PA12 periph A */
 240                                                          0 13 0x1 0x0   /* PA13 periph A */
 241                                                          0 14 0x1 0x0   /* PA14 periph A */
 242                                                          0 15 0x1 0x0   /* PA15 periph A */
 243                                                          0 16 0x1 0x0   /* PA16 periph A */
 244                                                          0 17 0x1 0x0   /* PA17 periph A */
 245                                                          0 18 0x1 0x0   /* PA18 periph A */
 246                                                          0 19 0x1 0x0   /* PA19 periph A */
 247                                                          0 20 0x1 0x0   /* PA20 periph A */
 248                                                          0 21 0x1 0x0>; /* PA21 periph A */
 249                                         };
 250
 251                                         pinctrl_macb_rmii_mii: macb_rmii_mii-0 {
 252                                                 atmel,pins =
 253                                                         <0 22 0x2 0x0   /* PA22 periph B */
 254                                                          0 23 0x2 0x0   /* PA23 periph B */
 255                                                          0 24 0x2 0x0   /* PA24 periph B */
 256                                                          0 25 0x2 0x0   /* PA25 periph B */
 257                                                          0 26 0x2 0x0   /* PA26 periph B */
 258                                                          0 27 0x2 0x0   /* PA27 periph B */
 259                                                          0 28 0x2 0x0   /* PA28 periph B */
 260                                                          0 29 0x2 0x0>; /* PA29 periph B */
 261                                         };
 262
 263                                         pinctrl_macb_rmii_mii_alt: macb_rmii_mii-1 {
 264                                                 atmel,pins =
 265                                                         <0 10 0x2 0x0   /* PA10 periph B */
 266                                                          0 11 0x2 0x0   /* PA11 periph B */
 267                                                          0 24 0x2 0x0   /* PA24 periph B */
 268                                                          0 25 0x2 0x0   /* PA25 periph B */
 269                                                          0 26 0x2 0x0   /* PA26 periph B */
 270                                                          0 27 0x2 0x0   /* PA27 periph B */
 271                                                          0 28 0x2 0x0   /* PA28 periph B */
 272                                                          0 29 0x2 0x0>; /* PA29 periph B */
 273                                         };
 274                                 };
 275
 276                                 mmc0 {
 277                                         pinctrl_mmc0_clk: mmc0_clk-0 {
 278                                                 atmel,pins =
 279                                                         <0 8 0x1 0x0>;  /* PA8 periph A */
 280                                         };
 281
 282                                         pinctrl_mmc0_slot0_cmd_dat0: mmc0_slot0_cmd_dat0-0 {
 283                                                 atmel,pins =
 284                                                         <0 7 0x1 0x1    /* PA7 periph A with pullup */
 285                                                          0 6 0x1 0x1>;  /* PA6 periph A with pullup */
 286                                         };
 287
 288                                         pinctrl_mmc0_slot0_dat1_3: mmc0_slot0_dat1_3-0 {
 289                                                 atmel,pins =
 290                                                         <0 9 0x1 0x1    /* PA9 periph A with pullup */
 291                                                          0 10 0x1 0x1   /* PA10 periph A with pullup */
 292                                                          0 11 0x1 0x1>; /* PA11 periph A with pullup */
 293                                         };
 294
 295                                         pinctrl_mmc0_slot1_cmd_dat0: mmc0_slot1_cmd_dat0-0 {
 296                                                 atmel,pins =
 297                                                         <0 1 0x2 0x1    /* PA1 periph B with pullup */
 298                                                          0 0 0x2 0x1>;  /* PA0 periph B with pullup */
 299                                         };
 300
 301                                         pinctrl_mmc0_slot1_dat1_3: mmc0_slot1_dat1_3-0 {
 302                                                 atmel,pins =
 303                                                         <0 5 0x2 0x1    /* PA5 periph B with pullup */
 304                                                          0 4 0x2 0x1    /* PA4 periph B with pullup */
 305                                                          0 3 0x2 0x1>;  /* PA3 periph B with pullup */
 306                                         };
 307                                 };
 308
 309                                 ssc0 {
 310                                         pinctrl_ssc0_tx: ssc0_tx-0 {
 311                                                 atmel,pins =
 312                                                         <1 16 0x1 0x0   /* PB16 periph A */
 313                                                          1 17 0x1 0x0   /* PB17 periph A */
 314                                                          1 18 0x1 0x0>; /* PB18 periph A */
 315                                         };
 316
 317                                         pinctrl_ssc0_rx: ssc0_rx-0 {
 318                                                 atmel,pins =
 319                                                         <1 19 0x1 0x0   /* PB19 periph A */
 320                                                          1 20 0x1 0x0   /* PB20 periph A */
 321                                                          1 21 0x1 0x0>; /* PB21 periph A */
 322                                         };
 323                                 };
 324
 325                                 spi0 {
 326                                         pinctrl_spi0: spi0-0 {
 327                                                 atmel,pins =
 328                                                         <0 0 0x1 0x0    /* PA0 periph A SPI0_MISO pin */
 329                                                          0 1 0x1 0x0    /* PA1 periph A SPI0_MOSI pin */
 330                                                          0 2 0x1 0x0>;  /* PA2 periph A SPI0_SPCK pin */
 331                                         };
 332                                 };
 333
 334                                 spi1 {
 335                                         pinctrl_spi1: spi1-0 {
 336                                                 atmel,pins =
 337                                                         <1 0 0x1 0x0    /* PB0 periph A SPI1_MISO pin */
 338                                                          1 1 0x1 0x0    /* PB1 periph A SPI1_MOSI pin */
 339                                                          1 2 0x1 0x0>;  /* PB2 periph A SPI1_SPCK pin */
 340                                         };
 341                                 };
 342
 343                                 pioA: gpio@fffff400 {
 344                                         compatible = "atmel,at91rm9200-gpio";
 345                                         reg = <0xfffff400 0x200>;
 346                                         interrupts = <2 4 1>;
 347                                         #gpio-cells = <2>;
 348                                         gpio-controller;
 349                                         interrupt-controller;
 350                                         #interrupt-cells = <2>;
 351                                 };
 352
 353                                 pioB: gpio@fffff600 {
 354                                         compatible = "atmel,at91rm9200-gpio";
 355                                         reg = <0xfffff600 0x200>;
 356                                         interrupts = <3 4 1>;
 357                                         #gpio-cells = <2>;
 358                                         gpio-controller;
 359                                         interrupt-controller;
 360                                         #interrupt-cells = <2>;
 361                                 };
 362
 363                                 pioC: gpio@fffff800 {
 364                                         compatible = "atmel,at91rm9200-gpio";
 365                                         reg = <0xfffff800 0x200>;
 366                                         interrupts = <4 4 1>;
 367                                         #gpio-cells = <2>;
 368                                         gpio-controller;
 369                                         interrupt-controller;
 370                                         #interrupt-cells = <2>;
 371                                 };
 372                         };
 373
 374                         dbgu: serial@fffff200 {
 375                                 compatible = "atmel,at91sam9260-usart";
 376                                 reg = <0xfffff200 0x200>;
 377                                 interrupts = <1 4 7>;
 378                                 pinctrl-names = "default";
 379                                 pinctrl-0 = <&pinctrl_dbgu>;
 380                                 status = "disabled";
 381                         };
 382
 383                         usart0: serial@fffb0000 {
 384                                 compatible = "atmel,at91sam9260-usart";
 385                                 reg = <0xfffb0000 0x200>;
 386                                 interrupts = <6 4 5>;
 387                                 atmel,use-dma-rx;
 388                                 atmel,use-dma-tx;
 389                                 pinctrl-names = "default";
 390                                 pinctrl-0 = <&pinctrl_usart0>;
 391                                 status = "disabled";
 392                         };
 393
 394                         usart1: serial@fffb4000 {
 395                                 compatible = "atmel,at91sam9260-usart";
 396                                 reg = <0xfffb4000 0x200>;
 397                                 interrupts = <7 4 5>;
 398                                 atmel,use-dma-rx;
 399                                 atmel,use-dma-tx;
 400                                 pinctrl-names = "default";
 401                                 pinctrl-0 = <&pinctrl_usart1>;
 402                                 status = "disabled";
 403                         };
 404
 405                         usart2: serial@fffb8000 {
 406                                 compatible = "atmel,at91sam9260-usart";
 407                                 reg = <0xfffb8000 0x200>;
 408                                 interrupts = <8 4 5>;
 409                                 atmel,use-dma-rx;
 410                                 atmel,use-dma-tx;
 411                                 pinctrl-names = "default";
 412                                 pinctrl-0 = <&pinctrl_usart2>;
 413                                 status = "disabled";
 414                         };
 415
 416                         usart3: serial@fffd0000 {
 417                                 compatible = "atmel,at91sam9260-usart";
 418                                 reg = <0xfffd0000 0x200>;
 419                                 interrupts = <23 4 5>;
 420                                 atmel,use-dma-rx;
 421                                 atmel,use-dma-tx;
 422                                 pinctrl-names = "default";
 423                                 pinctrl-0 = <&pinctrl_usart3>;
 424                                 status = "disabled";
 425                         };
 426
 427                         uart0: serial@fffd4000 {
 428                                 compatible = "atmel,at91sam9260-usart";
 429                                 reg = <0xfffd4000 0x200>;
 430                                 interrupts = <24 4 5>;
 431                                 atmel,use-dma-rx;
 432                                 atmel,use-dma-tx;
 433                                 pinctrl-names = "default";
 434                                 pinctrl-0 = <&pinctrl_uart0>;
 435                                 status = "disabled";
 436                         };
 437
 438                         uart1: serial@fffd8000 {
 439                                 compatible = "atmel,at91sam9260-usart";
 440                                 reg = <0xfffd8000 0x200>;
 441                                 interrupts = <25 4 5>;
 442                                 atmel,use-dma-rx;
 443                                 atmel,use-dma-tx;
 444                                 pinctrl-names = "default";
 445                                 pinctrl-0 = <&pinctrl_uart1>;
 446                                 status = "disabled";
 447                         };
 448
 449                         macb0: ethernet@fffc4000 {
 450                                 compatible = "cdns,at32ap7000-macb", "cdns,macb";
 451                                 reg = <0xfffc4000 0x100>;
 452                                 interrupts = <21 4 3>;
 453                                 pinctrl-names = "default";
 454                                 pinctrl-0 = <&pinctrl_macb_rmii>;
 455                                 status = "disabled";
 456                         };
 457
 458                         usb1: gadget@fffa4000 {
 459                                 compatible = "atmel,at91rm9200-udc";
 460                                 reg = <0xfffa4000 0x4000>;
 461                                 interrupts = <10 4 2>;
 462                                 status = "disabled";
 463                         };
 464
 465                         i2c0: i2c@fffac000 {
 466                                 compatible = "atmel,at91sam9260-i2c";
 467                                 reg = <0xfffac000 0x100>;
 468                                 interrupts = <11 4 6>;
 469                                 #address-cells = <1>;
 470                                 #size-cells = <0>;
 471                                 status = "disabled";
 472                         };
 473
 474                         mmc0: mmc@fffa8000 {
 475                                 compatible = "atmel,hsmci";
 476                                 reg = <0xfffa8000 0x600>;
 477                                 interrupts = <9 4 0>;
 478                                 #address-cells = <1>;
 479                                 #size-cells = <0>;
 480                                 status = "disabled";
 481                         };
 482
 483                         ssc0: ssc@fffbc000 {
 484                                 compatible = "atmel,at91rm9200-ssc";
 485                                 reg = <0xfffbc000 0x4000>;
 486                                 interrupts = <14 4 5>;
 487                                 pinctrl-names = "default";
 488                                 pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>;
 489                                 status = "disabled";
 490                         };
 491
 492                         spi0: spi@fffc8000 {
 493                                 #address-cells = <1>;
 494                                 #size-cells = <0>;
 495                                 compatible = "atmel,at91rm9200-spi";
 496                                 reg = <0xfffc8000 0x200>;
 497                                 interrupts = <12 4 3>;
 498                                 pinctrl-names = "default";
 499                                 pinctrl-0 = <&pinctrl_spi0>;
 500                                 status = "disabled";
 501                         };
 502
 503                         spi1: spi@fffcc000 {
 504                                 #address-cells = <1>;
 505                                 #size-cells = <0>;
 506                                 compatible = "atmel,at91rm9200-spi";
 507                                 reg = <0xfffcc000 0x200>;
 508                                 interrupts = <13 4 3>;
 509                                 pinctrl-names = "default";
 510                                 pinctrl-0 = <&pinctrl_spi1>;
 511                                 status = "disabled";
 512                         };
 513
 514                         adc0: adc@fffe0000 {
 515                                 compatible = "atmel,at91sam9260-adc";
 516                                 reg = <0xfffe0000 0x100>;
 517                                 interrupts = <5 4 0>;
 518                                 atmel,adc-use-external-triggers;
 519                                 atmel,adc-channels-used = <0xf>;
 520                                 atmel,adc-vref = <3300>;
 521                                 atmel,adc-num-channels = <4>;
 522                                 atmel,adc-startup-time = <15>;
 523                                 atmel,adc-channel-base = <0x30>;
 524                                 atmel,adc-drdy-mask = <0x10000>;
 525                                 atmel,adc-status-register = <0x1c>;
 526                                 atmel,adc-trigger-register = <0x04>;
 527                                 atmel,adc-res = <8 10>;
 528                                 atmel,adc-res-names = "lowres", "highres";
 529                                 atmel,adc-use-res = "highres";
 530
 531                                 trigger@0 {
 532                                         trigger-name = "timer-counter-0";
 533                                         trigger-value = <0x1>;
 534                                 };
 535                                 trigger@1 {
 536                                         trigger-name = "timer-counter-1";
 537                                         trigger-value = <0x3>;
 538                                 };
 539
 540                                 trigger@2 {
 541                                         trigger-name = "timer-counter-2";
 542                                         trigger-value = <0x5>;
 543                                 };
 544
 545                                 trigger@3 {
 546                                         trigger-name = "external";
 547                                         trigger-value = <0x13>;
 548                                         trigger-external;
 549                                 };
 550                         };
 551
 552                         watchdog@fffffd40 {
 553                                 compatible = "atmel,at91sam9260-wdt";
 554                                 reg = <0xfffffd40 0x10>;
 555                                 status = "disabled";
 556                         };
 557                 };
 558
 559                 nand0: nand@40000000 {
 560                         compatible = "atmel,at91rm9200-nand";
 561                         #address-cells = <1>;
 562                         #size-cells = <1>;
 563                         reg = <0x40000000 0x10000000
 564                                0xffffe800 0x200
 565                               >;
 566                         atmel,nand-addr-offset = <21>;
 567                         atmel,nand-cmd-offset = <22>;
 568                         pinctrl-names = "default";
 569                         pinctrl-0 = <&pinctrl_nand>;
 570                         gpios = <&pioC 13 0
 571                                  &pioC 14 0
 572                                  0
 573                                 >;
 574                         status = "disabled";
 575                 };
 576
 577                 usb0: ohci@00500000 {
 578                         compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 579                         reg = <0x00500000 0x100000>;
 580                         interrupts = <20 4 2>;
 581                         status = "disabled";
 582                 };
 583         };
 584
 585         i2c@0 {
 586                 compatible = "i2c-gpio";
 587                 gpios = <&pioA 23 0 /* sda */
 588                          &pioA 24 0 /* scl */
 589                         >;
 590                 i2c-gpio,sda-open-drain;
 591                 i2c-gpio,scl-open-drain;
 592                 i2c-gpio,delay-us = <2>;        /* ~100 kHz */
 593                 #address-cells = <1>;
 594                 #size-cells = <0>;
 595                 status = "disabled";
 596         };
 597 };