arch/arm/boot/dts/rk3288-firefly.dtsi

   1 /*
   2  * Copyright (c) 2014, 2015 FUKAUMI Naoki <naobsd@gmail.com>
   3  *
   4  * This file is dual-licensed: you can use it either under the terms
   5  * of the GPL or the X11 license, at your option. Note that this dual
   6  * licensing only applies to this file, and not this project as a
   7  * whole.
   8  *
   9  *  a) This file is free software; you can redistribute it and/or
  10  *     modify it under the terms of the GNU General Public License as
  11  *     published by the Free Software Foundation; either version 2 of the
  12  *     License, or (at your option) any later version.
  13  *
  14  *     This file is distributed in the hope that it will be useful,
  15  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *     GNU General Public License for more details.
  18  *
  19  * Or, alternatively,
  20  *
  21  *  b) Permission is hereby granted, free of charge, to any person
  22  *     obtaining a copy of this software and associated documentation
  23  *     files (the "Software"), to deal in the Software without
  24  *     restriction, including without limitation the rights to use,
  25  *     copy, modify, merge, publish, distribute, sublicense, and/or
  26  *     sell copies of the Software, and to permit persons to whom the
  27  *     Software is furnished to do so, subject to the following
  28  *     conditions:
  29  *
  30  *     The above copyright notice and this permission notice shall be
  31  *     included in all copies or substantial portions of the Software.
  32  *
  33  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  34  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  35  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  36  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  37  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  38  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  39  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  40  *     OTHER DEALINGS IN THE SOFTWARE.
  41  */
  42
  43 #include "rk3288.dtsi"
  44
  45 / {
  46         memory {
  47                 device_type = "memory";
  48                 reg = <0 0x80000000>;
  49         };
  50
  51         dovdd_1v8: dovdd-1v8-regulator {
  52                 compatible = "regulator-fixed";
  53                 regulator-name = "dovdd_1v8";
  54                 regulator-min-microvolt = <1800000>;
  55                 regulator-max-microvolt = <1800000>;
  56                 vin-supply = <&vcc28_dvp>;
  57         };
  58
  59         ext_gmac: external-gmac-clock {
  60                 compatible = "fixed-clock";
  61                 #clock-cells = <0>;
  62                 clock-frequency = <125000000>;
  63                 clock-output-names = "ext_gmac";
  64         };
  65
  66         io_domains: io-domains {
  67                 compatible = "rockchip,rk3288-io-voltage-domain";
  68                 rockchip,grf = <&grf>;
  69
  70                 audio-supply = <&vcca_33>;
  71                 bb-supply = <&vcc_io>;
  72                 dvp-supply = <&dovdd_1v8>;
  73                 flash0-supply = <&vcc_flash>;
  74                 flash1-supply = <&vcc_lan>;
  75                 gpio30-supply = <&vcc_io>;
  76                 gpio1830-supply = <&vcc_io>;
  77                 lcdc-supply = <&vcc_io>;
  78                 sdcard-supply = <&vccio_sd>;
  79                 wifi-supply = <&vccio_wl>;
  80         };
  81
  82         ir: ir-receiver {
  83                 compatible = "gpio-ir-receiver";
  84                 pinctrl-names = "default";
  85                 pinctrl-0 = <&ir_int>;
  86         };
  87
  88         keys: gpio-keys {
  89                 compatible = "gpio-keys";
  90                 #address-cells = <1>;
  91                 #size-cells = <0>;
  92
  93                 button@0 {
  94                         gpio-key,wakeup = <1>;
  95                         gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
  96                         label = "GPIO Power";
  97                         linux,code = <116>;
  98                         pinctrl-names = "default";
  99                         pinctrl-0 = <&pwr_key>;
 100                 };
 101         };
 102
 103         leds {
 104                 compatible = "gpio-leds";
 105
 106                 work {
 107                         gpios = <&gpio8 1 GPIO_ACTIVE_LOW>;
 108                         label = "firefly:blue:user";
 109                         linux,default-trigger = "rc-feedback";
 110                         pinctrl-names = "default";
 111                         pinctrl-0 = <&work_led>;
 112                 };
 113
 114                 power {
 115                         gpios = <&gpio8 2 GPIO_ACTIVE_LOW>;
 116                         label = "firefly:green:power";
 117                         linux,default-trigger = "default-on";
 118                         pinctrl-names = "default";
 119                         pinctrl-0 = <&power_led>;
 120                 };
 121         };
 122
 123         sdio_pwrseq: sdio-pwrseq {
 124                 compatible = "mmc-pwrseq-simple";
 125                 clocks = <&hym8563>;
 126                 clock-names = "ext_clock";
 127                 pinctrl-names = "default";
 128                 pinctrl-0 = <&wifi_enable_h>;
 129
 130                 /*
 131                  * On the module itself this is one of these (depending
 132                  * on the actual card populated):
 133                  * - SDIO_RESET_L_WL_REG_ON
 134                  * - PDN (power down when low)
 135                  */
 136                 reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>;
 137         };
 138
 139         vbat_wl: vcc_sys: vsys-regulator {
 140                 compatible = "regulator-fixed";
 141                 regulator-name = "vcc_sys";
 142                 regulator-min-microvolt = <5000000>;
 143                 regulator-max-microvolt = <5000000>;
 144                 regulator-always-on;
 145                 regulator-boot-on;
 146         };
 147
 148         vcc_sd: sdmmc-regulator {
 149                 compatible = "regulator-fixed";
 150                 gpio = <&gpio7 11 GPIO_ACTIVE_LOW>;
 151                 pinctrl-names = "default";
 152                 pinctrl-0 = <&sdmmc_pwr>;
 153                 regulator-name = "vcc_sd";
 154                 regulator-min-microvolt = <3300000>;
 155                 regulator-max-microvolt = <3300000>;
 156                 startup-delay-us = <100000>;
 157                 vin-supply = <&vcc_io>;
 158         };
 159
 160         vcc_flash: flash-regulator {
 161                 compatible = "regulator-fixed";
 162                 regulator-name = "vcc_flash";
 163                 regulator-min-microvolt = <1800000>;
 164                 regulator-max-microvolt = <1800000>;
 165                 vin-supply = <&vcc_io>;
 166         };
 167
 168         vcc_5v: usb-regulator {
 169                 compatible = "regulator-fixed";
 170                 regulator-name = "vcc_5v";
 171                 regulator-min-microvolt = <5000000>;
 172                 regulator-max-microvolt = <5000000>;
 173                 regulator-always-on;
 174                 regulator-boot-on;
 175                 vin-supply = <&vcc_sys>;
 176         };
 177
 178         vcc_host_5v: usb-host-regulator {
 179                 compatible = "regulator-fixed";
 180                 enable-active-high;
 181                 gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
 182                 pinctrl-names = "default";
 183                 pinctrl-0 = <&host_vbus_drv>;
 184                 regulator-name = "vcc_host_5v";
 185                 regulator-min-microvolt = <5000000>;
 186                 regulator-max-microvolt = <5000000>;
 187                 regulator-always-on;
 188                 vin-supply = <&vcc_5v>;
 189         };
 190
 191         vcc_otg_5v: usb-otg-regulator {
 192                 compatible = "regulator-fixed";
 193                 enable-active-high;
 194                 gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
 195                 pinctrl-names = "default";
 196                 pinctrl-0 = <&otg_vbus_drv>;
 197                 regulator-name = "vcc_otg_5v";
 198                 regulator-min-microvolt = <5000000>;
 199                 regulator-max-microvolt = <5000000>;
 200                 regulator-always-on;
 201                 vin-supply = <&vcc_5v>;
 202         };
 203
 204         /*
 205          * A TT8142 creates both dovdd_1v8 and vcc28_dvp, controlled
 206          * by the dvp_pwr pin.
 207          */
 208         vcc28_dvp: vcc28-dvp-regulator {
 209                 compatible = "regulator-fixed";
 210                 enable-active-high;
 211                 gpio = <&gpio0 11 GPIO_ACTIVE_HIGH>;
 212                 pinctrl-names = "default";
 213                 pinctrl-0 = <&dvp_pwr>;
 214                 regulator-name = "vcc28_dvp";
 215                 regulator-min-microvolt = <2800000>;
 216                 regulator-max-microvolt = <2800000>;
 217                 regulator-always-on;
 218                 vin-supply = <&vcc_io>;
 219         };
 220
 221         wireless-bluetooth {
 222                 compatible = "bluetooth-platdata";
 223                 uart_rts_gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
 224                 pinctrl-names = "default", "rts_gpio";
 225                 pinctrl-0 = <&uart0_rts>;
 226                 pinctrl-1 = <&uart0_gpios>;
 227                 BT,reset_gpio    = <&gpio4 29 GPIO_ACTIVE_HIGH>;
 228                 BT,wake_gpio     = <&gpio4 26 GPIO_ACTIVE_HIGH>;
 229                 BT,wake_host_irq = <&gpio4 31 GPIO_ACTIVE_HIGH>;
 230                 status = "okay";
 231         };
 232
 233         wireless-wlan {
 234                 compatible = "wlan-platdata";
 235                 rockchip,grf = <&grf>;
 236                 wifi_chip_type = "ap6335";
 237                 sdio_vref = <1800>;
 238                 WIFI,host_wake_irq = <&gpio4 30 GPIO_ACTIVE_HIGH>;
 239                 status = "okay";
 240         };
 241 };
 242
 243 &cpu0 {
 244         cpu0-supply = <&vdd_cpu>;
 245 };
 246
 247 &emmc {
 248         bus-width = <8>;
 249         cap-mmc-highspeed;
 250         disable-wp;
 251         non-removable;
 252         num-slots = <1>;
 253         pinctrl-names = "default";
 254         pinctrl-0 = <&emmc_clk>, <&emmc_cmd>, <&emmc_pwr>, <&emmc_bus8>;
 255         vmmc-supply = <&vcc_io>;
 256         vqmmc-supply = <&vcc_flash>;
 257         status = "okay";
 258 };
 259
 260 &gmac {
 261         assigned-clocks = <&cru SCLK_MAC>;
 262         assigned-clock-parents = <&ext_gmac>;
 263         clock_in_out = "input";
 264         pinctrl-names = "default";
 265         pinctrl-0 = <&rgmii_pins>, <&phy_rst>, <&phy_pmeb>, <&phy_int>;
 266         phy-supply = <&vcc_lan>;
 267         phy-mode = "rgmii";
 268         snps,reset-active-low;
 269         snps,reset-delays-us = <0 10000 1000000>;
 270         snps,reset-gpio = <&gpio4 8 GPIO_ACTIVE_LOW>;
 271         tx_delay = <0x30>;
 272         rx_delay = <0x10>;
 273         status = "ok";
 274 };
 275
 276 &hdmi {
 277         ddc-i2c-bus = <&i2c5>;
 278         status = "okay";
 279 };
 280
 281 &i2c0 {
 282         clock-frequency = <400000>;
 283         status = "okay";
 284
 285         vdd_cpu: syr827@40 {
 286                 compatible = "silergy,syr827";
 287                 fcs,suspend-voltage-selector = <1>;
 288                 reg = <0x40>;
 289                 regulator-name = "vdd_cpu";
 290                 regulator-min-microvolt = <850000>;
 291                 regulator-max-microvolt = <1350000>;
 292                 regulator-always-on;
 293                 regulator-boot-on;
 294                 regulator-enable-ramp-delay = <300>;
 295                 regulator-ramp-delay = <8000>;
 296                 vin-supply = <&vcc_sys>;
 297         };
 298
 299         vdd_gpu: syr828@41 {
 300                 compatible = "silergy,syr828";
 301                 fcs,suspend-voltage-selector = <1>;
 302                 reg = <0x41>;
 303                 regulator-name = "vdd_gpu";
 304                 regulator-min-microvolt = <850000>;
 305                 regulator-max-microvolt = <1350000>;
 306                 regulator-always-on;
 307                 vin-supply = <&vcc_sys>;
 308         };
 309
 310         hym8563: hym8563@51 {
 311                 compatible = "haoyu,hym8563";
 312                 reg = <0x51>;
 313                 #clock-cells = <0>;
 314                 clock-frequency = <32768>;
 315                 clock-output-names = "xin32k";
 316                 interrupt-parent = <&gpio7>;
 317                 interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
 318                 pinctrl-names = "default";
 319                 pinctrl-0 = <&rtc_int>;
 320         };
 321
 322         act8846: act8846@5a {
 323                 compatible = "active-semi,act8846";
 324                 reg = <0x5a>;
 325                 pinctrl-names = "default";
 326                 pinctrl-0 = <&pmic_vsel>, <&pwr_hold>;
 327                 system-power-controller;
 328
 329                 vp1-supply = <&vcc_sys>;
 330                 vp2-supply = <&vcc_sys>;
 331                 vp3-supply = <&vcc_sys>;
 332                 vp4-supply = <&vcc_sys>;
 333                 inl1-supply = <&vcc_sys>;
 334                 inl2-supply = <&vcc_sys>;
 335                 inl3-supply = <&vcc_20>;
 336
 337                 regulators {
 338                         vcc_ddr: REG1 {
 339                                 regulator-name = "vcc_ddr";
 340                                 regulator-min-microvolt = <1200000>;
 341                                 regulator-max-microvolt = <1200000>;
 342                                 regulator-always-on;
 343                         };
 344
 345                         vcc_io: REG2 {
 346                                 regulator-name = "vcc_io";
 347                                 regulator-min-microvolt = <3300000>;
 348                                 regulator-max-microvolt = <3300000>;
 349                                 regulator-always-on;
 350                         };
 351
 352                         vdd_log: REG3 {
 353                                 regulator-name = "vdd_log";
 354                                 regulator-min-microvolt = <1100000>;
 355                                 regulator-max-microvolt = <1100000>;
 356                                 regulator-always-on;
 357                         };
 358
 359                         vcc_20: REG4 {
 360                                 regulator-name = "vcc_20";
 361                                 regulator-min-microvolt = <2000000>;
 362                                 regulator-max-microvolt = <2000000>;
 363                                 regulator-always-on;
 364                         };
 365
 366                         vccio_sd: REG5 {
 367                                 regulator-name = "vccio_sd";
 368                                 regulator-min-microvolt = <3300000>;
 369                                 regulator-max-microvolt = <3300000>;
 370                                 regulator-always-on;
 371                         };
 372
 373                         vdd10_lcd: REG6 {
 374                                 regulator-name = "vdd10_lcd";
 375                                 regulator-min-microvolt = <1000000>;
 376                                 regulator-max-microvolt = <1000000>;
 377                                 regulator-always-on;
 378                         };
 379
 380                         vcca_18: REG7 {
 381                                 regulator-name = "vcca_18";
 382                                 regulator-min-microvolt = <1800000>;
 383                                 regulator-max-microvolt = <1800000>;
 384                         };
 385
 386                         vcca_33: REG8 {
 387                                 regulator-name = "vcca_33";
 388                                 regulator-min-microvolt = <3300000>;
 389                                 regulator-max-microvolt = <3300000>;
 390                         };
 391
 392                         vcc_lan: REG9 {
 393                                 regulator-name = "vcc_lan";
 394                                 regulator-min-microvolt = <3300000>;
 395                                 regulator-max-microvolt = <3300000>;
 396                         };
 397
 398                         vdd_10: REG10 {
 399                                 regulator-name = "vdd_10";
 400                                 regulator-min-microvolt = <1000000>;
 401                                 regulator-max-microvolt = <1000000>;
 402                                 regulator-always-on;
 403                         };
 404
 405                         vccio_wl: vcc_18: REG11 {
 406                                 regulator-name = "vcc_18";
 407                                 regulator-min-microvolt = <1800000>;
 408                                 regulator-max-microvolt = <1800000>;
 409                                 regulator-always-on;
 410                         };
 411
 412                         vcc18_lcd: REG12 {
 413                                 regulator-name = "vcc18_lcd";
 414                                 regulator-min-microvolt = <1800000>;
 415                                 regulator-max-microvolt = <1800000>;
 416                                 regulator-always-on;
 417                         };
 418                 };
 419         };
 420 };
 421
 422 &i2c1 {
 423         status = "okay";
 424 };
 425
 426 &i2c2 {
 427         status = "okay";
 428 };
 429
 430 &i2c4 {
 431         status = "okay";
 432 };
 433
 434 &i2c5 {
 435         status = "okay";
 436 };
 437
 438 &pinctrl {
 439         pcfg_output_high: pcfg-output-high {
 440                 output-high;
 441         };
 442
 443         pcfg_output_low: pcfg-output-low {
 444                 output-low;
 445         };
 446
 447         pcfg_pull_none_drv_8ma: pcfg-pull-none-drv-8ma {
 448                 drive-strength = <8>;
 449         };
 450
 451         pcfg_pull_up_drv_8ma: pcfg-pull-up-drv-8ma {
 452                 bias-pull-up;
 453                 drive-strength = <8>;
 454         };
 455
 456         act8846 {
 457                 pwr_hold: pwr-hold {
 458                         rockchip,pins = <0 1 RK_FUNC_GPIO &pcfg_output_high>;
 459                 };
 460         };
 461
 462         dvp {
 463                 dvp_pwr: dvp-pwr {
 464                         rockchip,pins = <0 11 RK_FUNC_GPIO &pcfg_pull_none>;
 465                 };
 466         };
 467
 468         gmac {
 469                 phy_int: phy-int {
 470                         rockchip,pins = <0 9 RK_FUNC_GPIO &pcfg_pull_up>;
 471                 };
 472
 473                 phy_pmeb: phy-pmeb {
 474                         rockchip,pins = <0 8 RK_FUNC_GPIO &pcfg_pull_up>;
 475                 };
 476
 477                 phy_rst: phy-rst {
 478                         rockchip,pins = <4 8 RK_FUNC_GPIO &pcfg_output_high>;
 479                 };
 480         };
 481
 482         hym8563 {
 483                 rtc_int: rtc-int {
 484                         rockchip,pins = <7 4 RK_FUNC_GPIO &pcfg_pull_up>;
 485                 };
 486         };
 487
 488         keys {
 489                 pwr_key: pwr-key {
 490                         rockchip,pins = <0 5 RK_FUNC_GPIO &pcfg_pull_up>;
 491                 };
 492         };
 493
 494         leds {
 495                 power_led: power-led {
 496                         rockchip,pins = <8 2 RK_FUNC_GPIO &pcfg_pull_none>;
 497                 };
 498
 499                 work_led: work-led {
 500                         rockchip,pins = <8 1 RK_FUNC_GPIO &pcfg_pull_none>;
 501                 };
 502         };
 503
 504         sdio-pwrseq {
 505                 wifi_enable_h: wifi-enable-h {
 506                         rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_none>;
 507                 };
 508         };
 509
 510         sdmmc {
 511                 /*
 512                  * Default drive strength isn't enough to achieve even
 513                  * high-speed mode on firefly board so bump up to 8ma.
 514                  */
 515                 sdmmc_bus4: sdmmc-bus4 {
 516                         rockchip,pins = <6 16 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
 517                                         <6 17 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
 518                                         <6 18 RK_FUNC_1 &pcfg_pull_up_drv_8ma>,
 519                                         <6 19 RK_FUNC_1 &pcfg_pull_up_drv_8ma>;
 520                 };
 521
 522                 sdmmc_clk: sdmmc-clk {
 523                         rockchip,pins = <6 20 RK_FUNC_1 &pcfg_pull_none_drv_8ma>;
 524                 };
 525
 526                 sdmmc_cmd: sdmmc-cmd {
 527                         rockchip,pins = <6 21 RK_FUNC_1 &pcfg_pull_up_drv_8ma>;
 528                 };
 529
 530                 sdmmc_pwr: sdmmc-pwr {
 531                         rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
 532                 };
 533         };
 534
 535         usb_host {
 536                 host_vbus_drv: host-vbus-drv {
 537                         rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
 538                 };
 539
 540                 usbhub_rst: usbhub-rst {
 541                         rockchip,pins = <8 3 RK_FUNC_GPIO &pcfg_output_high>;
 542                 };
 543         };
 544
 545         usb_otg {
 546                 otg_vbus_drv: otg-vbus-drv {
 547                         rockchip,pins = <0 12 RK_FUNC_GPIO &pcfg_pull_none>;
 548                 };
 549         };
 550
 551         wireless-bluetooth {
 552                 uart0_gpios: uart0-gpios {
 553                         rockchip,pins = <4 19 RK_FUNC_GPIO &pcfg_pull_none>;
 554                 };
 555         };
 556 };
 557
 558 &saradc {
 559         vref-supply = <&vcc_18>;
 560         status = "okay";
 561 };
 562
 563 &sdio0 {
 564         clock-frequency = <50000000>;
 565         clock-freq-min-max = <200000 50000000>;
 566
 567         bus-width = <4>;
 568         cap-sd-highspeed;
 569         cap-sdio-irq;
 570         disable-wp;
 571         keep-power-in-suspend;
 572         mmc-pwrseq = <&sdio_pwrseq>;
 573         non-removable;
 574         num-slots = <1>;
 575         pinctrl-names = "default";
 576         pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk &sdio0_int>;
 577         sd-uhs-sdr104;
 578         supports-sdio;
 579         vmmc-supply = <&vbat_wl>;
 580         vqmmc-supply = <&vccio_wl>;
 581         status = "okay";
 582 };
 583
 584 &sdmmc {
 585         bus-width = <4>;
 586         cap-mmc-highspeed;
 587         cap-sd-highspeed;
 588         card-detect-delay = <200>;
 589         disable-wp;
 590         num-slots = <1>;
 591         pinctrl-names = "default";
 592         pinctrl-0 = <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_cd>, <&sdmmc_bus4>;
 593         supports-sd;
 594         vmmc-supply = <&vcc_sd>;
 595         vqmmc-supply = <&vccio_sd>;
 596         status = "okay";
 597 };
 598
 599 &spi0 {
 600         pinctrl-names = "default";
 601         pinctrl-0 = <&spi0_clk>, <&spi0_cs0>, <&spi0_tx>, <&spi0_rx>, <&spi0_cs1>;
 602         status = "okay";
 603 };
 604
 605 &tsadc {
 606         rockchip,hw-tshut-mode = <0>;
 607         rockchip,hw-tshut-polarity = <0>;
 608         status = "okay";
 609 };
 610
 611 &uart0 {
 612         pinctrl-names = "default";
 613         pinctrl-0 = <&uart0_xfer>, <&uart0_cts>;
 614         status = "okay";
 615 };
 616
 617 &uart1 {
 618         status = "okay";
 619 };
 620
 621 &uart2 {
 622         status = "okay";
 623 };
 624
 625 &uart3 {
 626         status = "okay";
 627 };
 628
 629 &usbphy {
 630         status = "okay";
 631 };
 632
 633 &usb_host1 {
 634         pinctrl-names = "default";
 635         pinctrl-0 = <&usbhub_rst>;
 636         status = "okay";
 637 };
 638
 639 &usb_otg {
 640         status = "okay";
 641 };
 642
 643 &vopb {
 644         status = "okay";
 645 };
 646
 647 &vopb_mmu {
 648         status = "okay";
 649 };
 650
 651 &vopl {
 652         status = "okay";
 653 };
 654
 655 &vopl_mmu {
 656         status = "okay";
 657 };
 658
 659 &wdt {
 660         status = "okay";
 661 };