arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * RK3399-based FriendlyElec boards device tree source
   4  *
   5  * Copyright (c) 2016 Fuzhou Rockchip Electronics Co., Ltd
   6  *
   7  * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
   8  * (http://www.friendlyarm.com)
   9  *
  10  * Copyright (c) 2018 Collabora Ltd.
  11  * Copyright (c) 2019 Arm Ltd.
  12  */
  13
  14 /dts-v1/;
  15 #include <dt-bindings/input/linux-event-codes.h>
  16 #include "rk3399.dtsi"
  17 #include "rk3399-opp.dtsi"
  18
  19 / {
  20         chosen {
  21                 stdout-path = "serial2:1500000n8";
  22         };
  23
  24         clkin_gmac: external-gmac-clock {
  25                 compatible = "fixed-clock";
  26                 clock-frequency = <125000000>;
  27                 clock-output-names = "clkin_gmac";
  28                 #clock-cells = <0>;
  29         };
  30
  31         vdd_5v: vdd-5v {
  32                 compatible = "regulator-fixed";
  33                 regulator-always-on;
  34                 regulator-boot-on;
  35                 regulator-name = "vdd_5v";
  36         };
  37
  38         vcc5v0_core: vcc5v0-core {
  39                 compatible = "regulator-fixed";
  40                 regulator-always-on;
  41                 regulator-boot-on;
  42                 regulator-name = "vcc5v0_core";
  43                 vin-supply = <&vdd_5v>;
  44         };
  45
  46         vcc3v3_sys: vcc3v3-sys {
  47                 compatible = "regulator-fixed";
  48                 regulator-always-on;
  49                 regulator-boot-on;
  50                 regulator-min-microvolt = <3300000>;
  51                 regulator-max-microvolt = <3300000>;
  52                 regulator-name = "vcc3v3_sys";
  53                 vin-supply = <&vcc5v0_core>;
  54         };
  55
  56         vcc5v0_sys: vcc5v0-sys {
  57                 compatible = "regulator-fixed";
  58                 regulator-always-on;
  59                 regulator-boot-on;
  60                 regulator-min-microvolt = <5000000>;
  61                 regulator-max-microvolt = <5000000>;
  62                 regulator-name = "vcc5v0_sys";
  63                 vin-supply = <&vdd_5v>;
  64         };
  65
  66         vcc5v0_usb1: vcc5v0-usb1 {
  67                 compatible = "regulator-fixed";
  68                 regulator-always-on;
  69                 regulator-boot-on;
  70                 regulator-name = "vcc5v0_usb1";
  71                 vin-supply = <&vcc5v0_sys>;
  72         };
  73
  74         vcc5v0_usb2: vcc5v0-usb2 {
  75                 compatible = "regulator-fixed";
  76                 regulator-always-on;
  77                 regulator-boot-on;
  78                 regulator-name = "vcc5v0_usb2";
  79                 vin-supply = <&vcc5v0_sys>;
  80         };
  81
  82         /* switched by pmic_sleep */
  83         vcc1v8_s3: vcca1v8_s3: vcc1v8-s3 {
  84                 compatible = "regulator-fixed";
  85                 regulator-always-on;
  86                 regulator-boot-on;
  87                 regulator-min-microvolt = <1800000>;
  88                 regulator-max-microvolt = <1800000>;
  89                 regulator-name = "vcc1v8_s3";
  90                 vin-supply = <&vcc_1v8>;
  91         };
  92
  93         vcc3v0_sd: vcc3v0-sd {
  94                 compatible = "regulator-fixed";
  95                 enable-active-high;
  96                 gpio = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
  97                 pinctrl-names = "default";
  98                 pinctrl-0 = <&sdmmc0_pwr_h>;
  99                 regulator-always-on;
 100                 regulator-min-microvolt = <3000000>;
 101                 regulator-max-microvolt = <3000000>;
 102                 regulator-name = "vcc3v0_sd";
 103                 vin-supply = <&vcc3v3_sys>;
 104         };
 105
 106         vbus_typec: vbus-typec {
 107                 compatible = "regulator-fixed";
 108                 enable-active-high;
 109                 gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
 110                 regulator-always-on;
 111                 regulator-min-microvolt = <5000000>;
 112                 regulator-max-microvolt = <5000000>;
 113                 regulator-name = "vbus_typec";
 114                 vin-supply = <&vdd_5v>;
 115         };
 116
 117         adc-keys {
 118                 compatible = "adc-keys";
 119                 io-channels = <&saradc 1>;
 120                 io-channel-names = "buttons";
 121                 keyup-threshold-microvolt = <1800000>;
 122                 poll-interval = <100>;
 123
 124                 recovery {
 125                         label = "Recovery";
 126                         linux,code = <KEY_VENDOR>;
 127                         press-threshold-microvolt = <18000>;
 128                 };
 129         };
 130
 131         gpio-keys {
 132                 compatible = "gpio-keys";
 133                 autorepeat;
 134                 pinctrl-names = "default";
 135                 pinctrl-0 = <&power_key>;
 136
 137                 power {
 138                         debounce-interval = <100>;
 139                         gpios = <&gpio0 RK_PA5 GPIO_ACTIVE_LOW>;
 140                         label = "GPIO Key Power";
 141                         linux,code = <KEY_POWER>;
 142                         wakeup-source;
 143                 };
 144         };
 145
 146         leds: gpio-leds {
 147                 compatible = "gpio-leds";
 148                 pinctrl-names = "default";
 149                 pinctrl-0 = <&leds_gpio>;
 150
 151                 status {
 152                         gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
 153                         label = "status_led";
 154                         linux,default-trigger = "heartbeat";
 155                 };
 156         };
 157
 158         sdio_pwrseq: sdio-pwrseq {
 159                 compatible = "mmc-pwrseq-simple";
 160                 clocks = <&rk808 1>;
 161                 clock-names = "ext_clock";
 162                 pinctrl-names = "default";
 163                 pinctrl-0 = <&wifi_reg_on_h>;
 164                 reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
 165         };
 166 };
 167
 168 &cpu_b0 {
 169         cpu-supply = <&vdd_cpu_b>;
 170 };
 171
 172 &cpu_b1 {
 173         cpu-supply = <&vdd_cpu_b>;
 174 };
 175
 176 &cpu_l0 {
 177         cpu-supply = <&vdd_cpu_l>;
 178 };
 179
 180 &cpu_l1 {
 181         cpu-supply = <&vdd_cpu_l>;
 182 };
 183
 184 &cpu_l2 {
 185         cpu-supply = <&vdd_cpu_l>;
 186 };
 187
 188 &cpu_l3 {
 189         cpu-supply = <&vdd_cpu_l>;
 190 };
 191
 192 &emmc_phy {
 193         status = "okay";
 194 };
 195
 196 &gmac {
 197         assigned-clock-parents = <&clkin_gmac>;
 198         assigned-clocks = <&cru SCLK_RMII_SRC>;
 199         clock_in_out = "input";
 200         pinctrl-names = "default";
 201         pinctrl-0 = <&rgmii_pins>;
 202         phy-mode = "rgmii";
 203         phy-supply = <&vcc3v3_s3>;
 204         snps,reset-active-low;
 205         snps,reset-delays-us = <0 10000 50000>;
 206         snps,reset-gpio = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
 207         tx_delay = <0x28>;
 208         rx_delay = <0x11>;
 209         status = "okay";
 210 };
 211
 212 &gpu {
 213         mali-supply = <&vdd_gpu>;
 214         status = "okay";
 215 };
 216
 217 &hdmi {
 218         ddc-i2c-bus = <&i2c7>;
 219         pinctrl-names = "default";
 220         pinctrl-0 = <&hdmi_cec>;
 221         status = "okay";
 222 };
 223
 224 &i2c0 {
 225         clock-frequency = <400000>;
 226         i2c-scl-rising-time-ns = <160>;
 227         i2c-scl-falling-time-ns = <30>;
 228         status = "okay";
 229
 230         vdd_cpu_b: regulator@40 {
 231                 compatible = "silergy,syr827";
 232                 reg = <0x40>;
 233                 fcs,suspend-voltage-selector = <1>;
 234                 pinctrl-names = "default";
 235                 pinctrl-0 = <&cpu_b_sleep>;
 236                 regulator-always-on;
 237                 regulator-boot-on;
 238                 regulator-min-microvolt = <712500>;
 239                 regulator-max-microvolt = <1500000>;
 240                 regulator-name = "vdd_cpu_b";
 241                 regulator-ramp-delay = <1000>;
 242                 vin-supply = <&vcc3v3_sys>;
 243
 244                 regulator-state-mem {
 245                         regulator-off-in-suspend;
 246                 };
 247         };
 248
 249         vdd_gpu: regulator@41 {
 250                 compatible = "silergy,syr828";
 251                 reg = <0x41>;
 252                 fcs,suspend-voltage-selector = <1>;
 253                 pinctrl-names = "default";
 254                 pinctrl-0 = <&gpu_sleep>;
 255                 regulator-always-on;
 256                 regulator-boot-on;
 257                 regulator-min-microvolt = <712500>;
 258                 regulator-max-microvolt = <1500000>;
 259                 regulator-name = "vdd_gpu";
 260                 regulator-ramp-delay = <1000>;
 261                 vin-supply = <&vcc3v3_sys>;
 262
 263                 regulator-state-mem {
 264                         regulator-off-in-suspend;
 265                 };
 266         };
 267
 268         rk808: pmic@1b {
 269                 compatible = "rockchip,rk808";
 270                 reg = <0x1b>;
 271                 clock-output-names = "xin32k", "rk808-clkout2";
 272                 #clock-cells = <1>;
 273                 interrupt-parent = <&gpio1>;
 274                 interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
 275                 pinctrl-names = "default";
 276                 pinctrl-0 = <&pmic_int_l>;
 277                 rockchip,system-power-controller;
 278                 wakeup-source;
 279
 280                 vcc1-supply = <&vcc3v3_sys>;
 281                 vcc2-supply = <&vcc3v3_sys>;
 282                 vcc3-supply = <&vcc3v3_sys>;
 283                 vcc4-supply = <&vcc3v3_sys>;
 284                 vcc6-supply = <&vcc3v3_sys>;
 285                 vcc7-supply = <&vcc3v3_sys>;
 286                 vcc8-supply = <&vcc3v3_sys>;
 287                 vcc9-supply = <&vcc3v3_sys>;
 288                 vcc10-supply = <&vcc3v3_sys>;
 289                 vcc11-supply = <&vcc3v3_sys>;
 290                 vcc12-supply = <&vcc3v3_sys>;
 291                 vddio-supply = <&vcc_3v0>;
 292
 293                 regulators {
 294                         vdd_center: DCDC_REG1 {
 295                                 regulator-always-on;
 296                                 regulator-boot-on;
 297                                 regulator-min-microvolt = <750000>;
 298                                 regulator-max-microvolt = <1350000>;
 299                                 regulator-name = "vdd_center";
 300                                 regulator-ramp-delay = <6001>;
 301
 302                                 regulator-state-mem {
 303                                         regulator-off-in-suspend;
 304                                 };
 305                         };
 306
 307                         vdd_cpu_l: DCDC_REG2 {
 308                                 regulator-always-on;
 309                                 regulator-boot-on;
 310                                 regulator-min-microvolt = <750000>;
 311                                 regulator-max-microvolt = <1350000>;
 312                                 regulator-name = "vdd_cpu_l";
 313                                 regulator-ramp-delay = <6001>;
 314
 315                                 regulator-state-mem {
 316                                         regulator-off-in-suspend;
 317                                 };
 318                         };
 319
 320                         vcc_ddr: DCDC_REG3 {
 321                                 regulator-always-on;
 322                                 regulator-boot-on;
 323                                 regulator-name = "vcc_ddr";
 324
 325                                 regulator-state-mem {
 326                                         regulator-on-in-suspend;
 327                                 };
 328                         };
 329
 330                         vcc_1v8: DCDC_REG4 {
 331                                 regulator-always-on;
 332                                 regulator-boot-on;
 333                                 regulator-min-microvolt = <1800000>;
 334                                 regulator-max-microvolt = <1800000>;
 335                                 regulator-name = "vcc_1v8";
 336
 337                                 regulator-state-mem {
 338                                         regulator-on-in-suspend;
 339                                         regulator-suspend-microvolt = <1800000>;
 340                                 };
 341                         };
 342
 343                         vcc1v8_cam: LDO_REG1 {
 344                                 regulator-always-on;
 345                                 regulator-boot-on;
 346                                 regulator-min-microvolt = <1800000>;
 347                                 regulator-max-microvolt = <1800000>;
 348                                 regulator-name = "vcc1v8_cam";
 349
 350                                 regulator-state-mem {
 351                                         regulator-off-in-suspend;
 352                                 };
 353                         };
 354
 355                         vcc3v0_touch: LDO_REG2 {
 356                                 regulator-always-on;
 357                                 regulator-boot-on;
 358                                 regulator-min-microvolt = <3000000>;
 359                                 regulator-max-microvolt = <3000000>;
 360                                 regulator-name = "vcc3v0_touch";
 361
 362                                 regulator-state-mem {
 363                                         regulator-off-in-suspend;
 364                                 };
 365                         };
 366
 367                         vcc1v8_pmupll: LDO_REG3 {
 368                                 regulator-always-on;
 369                                 regulator-boot-on;
 370                                 regulator-min-microvolt = <1800000>;
 371                                 regulator-max-microvolt = <1800000>;
 372                                 regulator-name = "vcc1v8_pmupll";
 373
 374                                 regulator-state-mem {
 375                                         regulator-on-in-suspend;
 376                                         regulator-suspend-microvolt = <1800000>;
 377                                 };
 378                         };
 379
 380                         vcc_sdio: LDO_REG4 {
 381                                 regulator-always-on;
 382                                 regulator-boot-on;
 383                                 regulator-init-microvolt = <3000000>;
 384                                 regulator-min-microvolt = <1800000>;
 385                                 regulator-max-microvolt = <3300000>;
 386                                 regulator-name = "vcc_sdio";
 387
 388                                 regulator-state-mem {
 389                                         regulator-on-in-suspend;
 390                                         regulator-suspend-microvolt = <3000000>;
 391                                 };
 392                         };
 393
 394                         vcca3v0_codec: LDO_REG5 {
 395                                 regulator-always-on;
 396                                 regulator-boot-on;
 397                                 regulator-min-microvolt = <3000000>;
 398                                 regulator-max-microvolt = <3000000>;
 399                                 regulator-name = "vcca3v0_codec";
 400
 401                                 regulator-state-mem {
 402                                         regulator-off-in-suspend;
 403                                 };
 404                         };
 405
 406                         vcc_1v5: LDO_REG6 {
 407                                 regulator-always-on;
 408                                 regulator-boot-on;
 409                                 regulator-min-microvolt = <1500000>;
 410                                 regulator-max-microvolt = <1500000>;
 411                                 regulator-name = "vcc_1v5";
 412
 413                                 regulator-state-mem {
 414                                         regulator-on-in-suspend;
 415                                         regulator-suspend-microvolt = <1500000>;
 416                                 };
 417                         };
 418
 419                         vcca1v8_codec: LDO_REG7 {
 420                                 regulator-always-on;
 421                                 regulator-boot-on;
 422                                 regulator-min-microvolt = <1800000>;
 423                                 regulator-max-microvolt = <1800000>;
 424                                 regulator-name = "vcca1v8_codec";
 425
 426                                 regulator-state-mem {
 427                                         regulator-off-in-suspend;
 428                                 };
 429                         };
 430
 431                         vcc_3v0: LDO_REG8 {
 432                                 regulator-always-on;
 433                                 regulator-boot-on;
 434                                 regulator-min-microvolt = <3000000>;
 435                                 regulator-max-microvolt = <3000000>;
 436                                 regulator-name = "vcc_3v0";
 437
 438                                 regulator-state-mem {
 439                                         regulator-on-in-suspend;
 440                                         regulator-suspend-microvolt = <3000000>;
 441                                 };
 442                         };
 443
 444                         vcc3v3_s3: SWITCH_REG1 {
 445                                 regulator-always-on;
 446                                 regulator-boot-on;
 447                                 regulator-name = "vcc3v3_s3";
 448
 449                                 regulator-state-mem {
 450                                         regulator-off-in-suspend;
 451                                 };
 452                         };
 453
 454                         vcc3v3_s0: SWITCH_REG2 {
 455                                 regulator-always-on;
 456                                 regulator-boot-on;
 457                                 regulator-name = "vcc3v3_s0";
 458
 459                                 regulator-state-mem {
 460                                         regulator-off-in-suspend;
 461                                 };
 462                         };
 463                 };
 464         };
 465 };
 466
 467 &i2c1 {
 468         clock-frequency = <200000>;
 469         i2c-scl-rising-time-ns = <150>;
 470         i2c-scl-falling-time-ns = <30>;
 471         status = "okay";
 472 };
 473
 474 &i2c2 {
 475         status = "okay";
 476 };
 477
 478 &i2c4 {
 479         clock-frequency = <400000>;
 480         i2c-scl-rising-time-ns = <160>;
 481         i2c-scl-falling-time-ns = <30>;
 482         status = "okay";
 483
 484         fusb0: typec-portc@22 {
 485                 compatible = "fcs,fusb302";
 486                 reg = <0x22>;
 487                 interrupt-parent = <&gpio1>;
 488                 interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>;
 489                 pinctrl-names = "default";
 490                 pinctrl-0 = <&fusb0_int>;
 491                 vbus-supply = <&vbus_typec>;
 492         };
 493 };
 494
 495 &i2c7 {
 496         status = "okay";
 497 };
 498
 499 &io_domains {
 500         bt656-supply = <&vcc_1v8>;
 501         audio-supply = <&vcca1v8_codec>;
 502         sdmmc-supply = <&vcc_sdio>;
 503         gpio1830-supply = <&vcc_3v0>;
 504         status = "okay";
 505 };
 506
 507 &pcie_phy {
 508         assigned-clock-parents = <&cru SCLK_PCIEPHY_REF100M>;
 509         assigned-clock-rates = <100000000>;
 510         assigned-clocks = <&cru SCLK_PCIEPHY_REF>;
 511         status = "okay";
 512 };
 513
 514 &pcie0 {
 515         ep-gpios = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
 516         max-link-speed = <2>;
 517         num-lanes = <4>;
 518         status = "okay";
 519 };
 520
 521 &pinctrl {
 522         fusb30x {
 523                 fusb0_int: fusb0-int {
 524                         rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
 525                 };
 526         };
 527
 528         gpio-leds {
 529                 leds_gpio: leds-gpio {
 530                         rockchip,pins = <0 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
 531                 };
 532         };
 533
 534         pmic {
 535                 cpu_b_sleep: cpu-b-sleep {
 536                         rockchip,pins = <1 RK_PC1 RK_FUNC_GPIO &pcfg_pull_down>;
 537                 };
 538
 539                 gpu_sleep: gpu-sleep {
 540                         rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
 541                 };
 542
 543                 pmic_int_l: pmic-int-l {
 544                         rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
 545                 };
 546         };
 547
 548         rockchip-key {
 549                 power_key: power-key {
 550                         rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
 551                 };
 552         };
 553
 554         sd {
 555                 sdmmc0_pwr_h: sdmmc0-pwr-h {
 556                         rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
 557                 };
 558         };
 559
 560         sdio-pwrseq {
 561                 wifi_reg_on_h: wifi-reg_on-h {
 562                         rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
 563                 };
 564         };
 565 };
 566
 567 &pmu_io_domains {
 568         pmu1830-supply = <&vcc_3v0>;
 569         status = "okay";
 570 };
 571
 572 &pwm0 {
 573         status = "okay";
 574 };
 575
 576 &pwm1 {
 577         status = "okay";
 578 };
 579
 580 &pwm2 {
 581         pinctrl-names = "active";
 582         pinctrl-0 = <&pwm2_pin_pull_down>;
 583         status = "okay";
 584 };
 585
 586 &saradc {
 587         vref-supply = <&vcca1v8_s3>;
 588         status = "okay";
 589 };
 590
 591 &sdhci {
 592         bus-width = <8>;
 593         mmc-hs400-1_8v;
 594         mmc-hs400-enhanced-strobe;
 595         non-removable;
 596         status = "okay";
 597 };
 598
 599 &sdio0 {
 600         bus-width = <4>;
 601         cap-sd-highspeed;
 602         cap-sdio-irq;
 603         disable-wp;
 604         keep-power-in-suspend;
 605         mmc-pwrseq = <&sdio_pwrseq>;
 606         non-removable;
 607         pinctrl-names = "default";
 608         pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
 609         sd-uhs-sdr104;
 610         status = "okay";
 611 };
 612
 613 &sdmmc {
 614         bus-width = <4>;
 615         cap-sd-highspeed;
 616         cap-mmc-highspeed;
 617         disable-wp;
 618         pinctrl-names = "default";
 619         pinctrl-0 = <&sdmmc_bus4 &sdmmc_cd &sdmmc_clk &sdmmc_cmd>;
 620         sd-uhs-sdr104;
 621         vmmc-supply = <&vcc3v0_sd>;
 622         vqmmc-supply = <&vcc_sdio>;
 623         status = "okay";
 624 };
 625
 626 &tcphy0 {
 627         status = "okay";
 628 };
 629
 630 &tcphy1 {
 631         status = "okay";
 632 };
 633
 634 &tsadc {
 635         /* tshut mode 0:CRU 1:GPIO */
 636         rockchip,hw-tshut-mode = <1>;
 637         /* tshut polarity 0:LOW 1:HIGH */
 638         rockchip,hw-tshut-polarity = <1>;
 639         status = "okay";
 640 };
 641
 642 &u2phy0 {
 643         status = "okay";
 644 };
 645
 646 &u2phy0_host {
 647         phy-supply = <&vcc5v0_usb1>;
 648         status = "okay";
 649 };
 650
 651 &u2phy0_otg {
 652         status = "okay";
 653 };
 654
 655 &u2phy1 {
 656         status = "okay";
 657 };
 658
 659 &u2phy1_host {
 660         phy-supply = <&vcc5v0_usb2>;
 661         status = "okay";
 662 };
 663
 664 &u2phy1_otg {
 665         status = "okay";
 666 };
 667
 668 &uart0 {
 669         pinctrl-names = "default";
 670         pinctrl-0 = <&uart0_xfer &uart0_rts &uart0_cts>;
 671         status = "okay";
 672 };
 673
 674 &uart2 {
 675         status = "okay";
 676 };
 677
 678 &usbdrd3_0 {
 679         status = "okay";
 680 };
 681
 682 &usbdrd3_1 {
 683         status = "okay";
 684 };
 685
 686 &usbdrd_dwc3_0 {
 687         status = "okay";
 688 };
 689
 690 &usbdrd_dwc3_1 {
 691         dr_mode = "host";
 692         status = "okay";
 693 };
 694
 695 &usb_host0_ehci {
 696         status = "okay";
 697 };
 698
 699 &usb_host0_ohci {
 700         status = "okay";
 701 };
 702
 703 &usb_host1_ehci {
 704         status = "okay";
 705 };
 706
 707 &usb_host1_ohci {
 708         status = "okay";
 709 };
 710
 711 &vopb {
 712         status = "okay";
 713 };
 714
 715 &vopb_mmu {
 716         status = "okay";
 717 };
 718
 719 &vopl {
 720         status = "okay";
 721 };
 722
 723 &vopl_mmu {
 724         status = "okay";
 725 };