sys/gnu/dts/arm/am5729-beagleboneai.dts

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2014-2019 Texas Instruments Incorporated - http://www.ti.com/
   4  */
   5
   6 /dts-v1/;
   7
   8 #include "dra74x.dtsi"
   9 #include "am57xx-commercial-grade.dtsi"
  10 #include "dra74x-mmc-iodelay.dtsi"
  11 #include <dt-bindings/gpio/gpio.h>
  12 #include <dt-bindings/interrupt-controller/irq.h>
  13 #include <dt-bindings/pinctrl/dra.h>
  14
  15 / {
  16         model = "BeagleBoard.org BeagleBone AI";
  17         compatible = "beagle,am5729-beagleboneai", "ti,am5728",
  18                      "ti,dra742", "ti,dra74", "ti,dra7";
  19
  20         aliases {
  21                 rtc0 = &tps659038_rtc;
  22                 rtc1 = &rtc;
  23                 display0 = &hdmi_conn;
  24         };
  25
  26         chosen {
  27                 stdout-path = &uart1;
  28         };
  29
  30         memory@0 {
  31                 device_type = "memory";
  32                 reg = <0x0 0x80000000 0x0 0x40000000>;
  33         };
  34
  35         reserved-memory {
  36                 #address-cells = <2>;
  37                 #size-cells = <2>;
  38                 ranges;
  39
  40                 ipu2_memory_region: ipu2-memory@95800000 {
  41                         compatible = "shared-dma-pool";
  42                         reg = <0x0 0x95800000 0x0 0x3800000>;
  43                         reusable;
  44                         status = "okay";
  45                 };
  46
  47                 dsp1_memory_region: dsp1-memory@99000000 {
  48                         compatible = "shared-dma-pool";
  49                         reg = <0x0 0x99000000 0x0 0x4000000>;
  50                         reusable;
  51                         status = "okay";
  52                 };
  53
  54                 ipu1_memory_region: ipu1-memory@9d000000 {
  55                         compatible = "shared-dma-pool";
  56                         reg = <0x0 0x9d000000 0x0 0x2000000>;
  57                         reusable;
  58                         status = "okay";
  59                 };
  60
  61                 dsp2_memory_region: dsp2-memory@9f000000 {
  62                         compatible = "shared-dma-pool";
  63                         reg = <0x0 0x9f000000 0x0 0x800000>;
  64                         reusable;
  65                         status = "okay";
  66                 };
  67
  68         };
  69
  70         vdd_adc: gpioregulator-vdd_adc {
  71                 compatible = "regulator-gpio";
  72                 regulator-name = "vdd_adc";
  73                 vin-supply = <&vdd_5v>;
  74                 regulator-min-microvolt = <1800000>;
  75                 regulator-max-microvolt = <3300000>;
  76                 regulator-always-on;
  77                 regulator-boot-on;
  78                 gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>;
  79                 states = <1800000 0
  80                         3300000 1>;
  81         };
  82
  83         vdd_5v: fixedregulator-vdd_5v {
  84                 compatible = "regulator-fixed";
  85                 regulator-name = "vdd_5v";
  86                 regulator-min-microvolt = <5000000>;
  87                 regulator-max-microvolt = <5000000>;
  88                 regulator-always-on;
  89                 regulator-boot-on;
  90         };
  91
  92         vtt_fixed: fixedregulator-vtt {
  93                 /* TPS51200 */
  94                 compatible = "regulator-fixed";
  95                 regulator-name = "vtt_fixed";
  96                 vin-supply = <&vdd_ddr>;
  97                 regulator-min-microvolt = <3300000>;
  98                 regulator-max-microvolt = <3300000>;
  99                 regulator-always-on;
 100                 regulator-boot-on;
 101         };
 102
 103         leds {
 104                 compatible = "gpio-leds";
 105
 106                 led0 {
 107                         label = "beaglebone:green:usr0";
 108                         gpios = <&gpio3 17 GPIO_ACTIVE_HIGH>;
 109                         linux,default-trigger = "heartbeat";
 110                         default-state = "off";
 111                 };
 112
 113                 led1 {
 114                         label = "beaglebone:green:usr1";
 115                         gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
 116                         linux,default-trigger = "mmc0";
 117                         default-state = "off";
 118                 };
 119
 120                 led2 {
 121                         label = "beaglebone:green:usr2";
 122                         gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
 123                         linux,default-trigger = "cpu";
 124                         default-state = "off";
 125                 };
 126
 127                 led3 {
 128                         label = "beaglebone:green:usr3";
 129                         gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
 130                         linux,default-trigger = "mmc1";
 131                         default-state = "off";
 132                 };
 133
 134                 led4 {
 135                         label = "beaglebone:green:usr4";
 136                         gpios = <&gpio3 7 GPIO_ACTIVE_HIGH>;
 137                         linux,default-trigger = "netdev";
 138                         default-state = "off";
 139                 };
 140         };
 141
 142         hdmi_conn: connector@0 {
 143                 compatible = "hdmi-connector";
 144                 label = "hdmi";
 145                 type = "a";
 146
 147                 port {
 148                         hdmi_connector_in: endpoint {
 149                                 remote-endpoint = <&hdmi_encoder_out>;
 150                         };
 151                 };
 152         };
 153
 154         hdmi_enc: encoder@0 {
 155                 /* "ti,tpd12s016" software compatible with "ti,tpd12s015"
 156                  *  no need for individual driver
 157                  */
 158                 compatible = "ti,tpd12s015";
 159                 gpios = <0>,
 160                         <0>,
 161                         <&gpio7 12 GPIO_ACTIVE_HIGH>;
 162
 163                 ports {
 164                         #address-cells = <0x1>;
 165                         #size-cells = <0x0>;
 166
 167                         port@0 {
 168                                 reg = <0x0>;
 169
 170                                 hdmi_encoder_in: endpoint@0 {
 171                                         remote-endpoint = <&hdmi_out>;
 172                                 };
 173                         };
 174
 175                         port@1 {
 176                                 reg = <0x1>;
 177
 178                                 hdmi_encoder_out: endpoint@0 {
 179                                         remote-endpoint = <&hdmi_connector_in>;
 180                                 };
 181                         };
 182                 };
 183         };
 184
 185         emmc_pwrseq: emmc_pwrseq {
 186                 compatible = "mmc-pwrseq-emmc";
 187                 reset-gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
 188         };
 189
 190         brcmf_pwrseq: brcmf_pwrseq {
 191                 compatible = "mmc-pwrseq-simple";
 192                 reset-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>,      /* BT-REG-ON */
 193                                 <&gpio3 18 GPIO_ACTIVE_LOW>;    /* WL-REG-ON */
 194         };
 195
 196         extcon_usb1: extcon_usb1 {
 197                 compatible = "linux,extcon-usb-gpio";
 198                 ti,enable-id-detection;
 199                 id-gpio = <&gpio3 13 GPIO_ACTIVE_HIGH>;
 200         };
 201 };
 202
 203 &i2c1 {
 204         status = "okay";
 205         clock-frequency = <400000>;
 206
 207         tps659038: tps659038@58 {
 208                 compatible = "ti,tps659038";
 209                 reg = <0x58>;
 210                 interrupt-parent = <&gpio6>;
 211                 interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
 212
 213                 #interrupt-cells = <2>;
 214                 interrupt-controller;
 215
 216                 ti,system-power-controller;
 217                 ti,palmas-override-powerhold;
 218
 219                 tps659038_pmic {
 220                         compatible = "ti,tps659038-pmic";
 221
 222                         smps12-in-supply = <&vdd_5v>;
 223                         smps3-in-supply = <&vdd_5v>;
 224                         smps45-in-supply = <&vdd_5v>;
 225                         smps6-in-supply = <&vdd_5v>;
 226                         smps7-in-supply = <&vdd_5v>;
 227                         mps3-in-supply = <&vdd_5v>;
 228                         smps8-in-supply = <&vdd_5v>;
 229                         smps9-in-supply = <&vdd_5v>;
 230                         ldo1-in-supply = <&vdd_5v>;
 231                         ldo2-in-supply = <&vdd_5v>;
 232                         ldo3-in-supply = <&vdd_5v>;
 233                         ldo4-in-supply = <&vdd_5v>;
 234                         ldo9-in-supply = <&vdd_5v>;
 235                         ldoln-in-supply = <&vdd_5v>;
 236                         ldousb-in-supply = <&vdd_5v>;
 237                         ldortc-in-supply = <&vdd_5v>;
 238
 239                         regulators {
 240                                 vdd_mpu: smps12 {
 241                                         /* VDD_MPU */
 242                                         regulator-name = "smps12";
 243                                         regulator-min-microvolt = <850000>;
 244                                         regulator-max-microvolt = <1250000>;
 245                                         regulator-always-on;
 246                                         regulator-boot-on;
 247                                 };
 248
 249                                 vdd_ddr: smps3 {
 250                                         /* VDD_DDR EMIF1 EMIF2 */
 251                                         regulator-name = "smps3";
 252                                         regulator-min-microvolt = <1350000>;
 253                                         regulator-max-microvolt = <1350000>;
 254                                         regulator-always-on;
 255                                         regulator-boot-on;
 256                                 };
 257
 258                                 vdd_dspeve: smps45 {
 259                                         /* VDD_DSPEVE on AM572 */
 260                                         regulator-name = "smps45";
 261                                         regulator-min-microvolt = < 850000>;
 262                                         regulator-max-microvolt = <1250000>;
 263                                         regulator-always-on;
 264                                         regulator-boot-on;
 265                                 };
 266
 267                                 vdd_gpu: smps6 {
 268                                         /* VDD_GPU */
 269                                         regulator-name = "smps6";
 270                                         regulator-min-microvolt = < 850000>;
 271                                         regulator-max-microvolt = <1250000>;
 272                                         regulator-always-on;
 273                                         regulator-boot-on;
 274                                 };
 275
 276                                 vdd_core: smps7 {
 277                                         /* VDD_CORE */
 278                                         regulator-name = "smps7";
 279                                         regulator-min-microvolt = < 850000>;    /*** 1.15V */
 280                                         regulator-max-microvolt = <1150000>;
 281                                         regulator-always-on;
 282                                         regulator-boot-on;
 283                                 };
 284
 285                                 vdd_iva: smps8 {
 286                                         /* VDD_IVAHD */                         /*** 1.06V */
 287                                         regulator-name = "smps8";
 288                                 };
 289
 290                                 vdd_3v3: smps9 {
 291                                         /* VDD_3V3 */
 292                                         regulator-name = "smps9";
 293                                         regulator-min-microvolt = <3300000>;
 294                                         regulator-max-microvolt = <3300000>;
 295                                         regulator-always-on;
 296                                         regulator-boot-on;
 297                                 };
 298
 299                                 vdd_sd: ldo1 {
 300                                         /* VDDSHV8 - VSDMMC  */
 301                                         regulator-name = "ldo1";
 302                                         regulator-min-microvolt = <1800000>;
 303                                         regulator-max-microvolt = <3300000>;
 304                                         regulator-boot-on;
 305                                         regulator-always-on;
 306                                 };
 307
 308                                 vdd_1v8: ldo2 {
 309                                         /* VDDSH18V */
 310                                         regulator-name = "ldo2";
 311                                         regulator-min-microvolt = <1800000>;
 312                                         regulator-max-microvolt = <1800000>;
 313                                         regulator-always-on;
 314                                         regulator-boot-on;
 315                                 };
 316
 317                                 vdd_1v8_phy_ldo3: ldo3 {
 318                                         /* R1.3a 572x V1_8PHY_LDO3: USB, SATA */
 319                                         regulator-name = "ldo3";
 320                                         regulator-min-microvolt = <1800000>;
 321                                         regulator-max-microvolt = <1800000>;
 322                                         regulator-always-on;
 323                                         regulator-boot-on;
 324                                 };
 325
 326                                 vdd_1v8_phy_ldo4: ldo4 {
 327                                         /* R1.3a 572x V1_8PHY_LDO4: PCIE, HDMI*/
 328                                         regulator-name = "ldo4";
 329                                         regulator-min-microvolt = <1800000>;
 330                                         regulator-max-microvolt = <1800000>;
 331                                         regulator-always-on;
 332                                         regulator-boot-on;
 333                                 };
 334
 335                                 /* LDO5-8 unused */
 336
 337                                 vdd_rtc: ldo9 {
 338                                         /* VDD_RTC  */
 339                                         regulator-name = "ldo9";
 340                                         regulator-min-microvolt = < 840000>;
 341                                         regulator-max-microvolt = <1160000>;
 342                                         regulator-always-on;
 343                                         regulator-boot-on;
 344                                 };
 345
 346                                 vdd_1v8_pll: ldoln {
 347                                         /* VDDA_1V8_PLL */
 348                                         regulator-name = "ldoln";
 349                                         regulator-min-microvolt = <1800000>;
 350                                         regulator-max-microvolt = <1800000>;
 351                                         regulator-always-on;
 352                                         regulator-boot-on;
 353                                 };
 354
 355                                 ldousb_reg: ldousb {
 356                                         /* VDDA_3V_USB: VDDA_USBHS33 */
 357                                         regulator-name = "ldousb";
 358                                         regulator-min-microvolt = <3300000>;
 359                                         regulator-max-microvolt = <3300000>;
 360                                         regulator-always-on;
 361                                         regulator-boot-on;
 362                                 };
 363
 364                                 ldortc_reg: ldortc {
 365                                         /* VDDA_RTC  */
 366                                         regulator-name = "ldortc";
 367                                         regulator-min-microvolt = <1800000>;
 368                                         regulator-max-microvolt = <1800000>;
 369                                         regulator-always-on;
 370                                         regulator-boot-on;
 371                                 };
 372
 373                                 regen1: regen1 {
 374                                         /* VDD_3V3_ON */
 375                                         regulator-name = "regen1";
 376                                         regulator-boot-on;
 377                                         regulator-always-on;
 378                                 };
 379
 380                                 regen2: regen2 {
 381                                         /* Needed for PMIC internal resource */
 382                                         regulator-name = "regen2";
 383                                         regulator-boot-on;
 384                                         regulator-always-on;
 385                                 };
 386                         };
 387                 };
 388
 389                 tps659038_rtc: tps659038_rtc {
 390                         compatible = "ti,palmas-rtc";
 391                         interrupt-parent = <&tps659038>;
 392                         interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
 393                         wakeup-source;
 394                 };
 395
 396                 tps659038_pwr_button: tps659038_pwr_button {
 397                         compatible = "ti,palmas-pwrbutton";
 398                         interrupt-parent = <&tps659038>;
 399                         interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
 400                         wakeup-source;
 401                         ti,palmas-long-press-seconds = <12>;
 402                 };
 403
 404                 tps659038_gpio: tps659038_gpio {
 405                         compatible = "ti,palmas-gpio";
 406                         gpio-controller;
 407                         #gpio-cells = <2>;
 408                 };
 409         };
 410
 411         /* STMPE811 touch screen controller */
 412         stmpe811@41 {
 413                 compatible = "st,stmpe811";
 414                 reg = <0x41>;
 415                 interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
 416                 interrupt-parent = <&gpio2>;
 417                 interrupt-controller;
 418                 id = <0>;
 419                 blocks = <0x5>;
 420                 irq-trigger = <0x1>;
 421                 st,mod-12b = <1>; /* 12-bit ADC */
 422                 st,ref-sel = <0>; /* internal ADC reference */
 423                 st,adc-freq = <1>; /* 3.25 MHz ADC clock speed */
 424                 st,sample-time = <4>; /* ADC converstion time: 80 clocks */
 425
 426                 stmpe_adc {
 427                         compatible = "st,stmpe-adc";
 428                         st,norequest-mask = <0x00>; /* mask any channels to be used by touchscreen */
 429                         adc0: iio-device@0 {
 430                                 #io-channel-cells = <1>;
 431                                 iio-channels = <&adc0 4>, <&adc0 1>, <&adc0 2>, <&adc0 3>, <&adc0 4>, <&adc0 5>, <&adc0 6>;
 432                                 iio-channel-names = "AIN0_P9_39", "AIN1_P9_40", "AIN2_P9_37", "AIN3_P9_38",
 433                                         "AIN4_P9_33", "AIN5_P9_36", "AIN6_P9_35";
 434                         };
 435                 };
 436
 437                 stmpe_touchscreen {
 438                         status = "disabled";
 439                         compatible = "st,stmpe-ts";
 440                         /* 8 sample average control */
 441                         st,ave-ctrl = <3>;
 442                         /* 7 length fractional part in z */
 443                         st,fraction-z = <7>;
 444                         /*
 445                          * 50 mA typical 80 mA max touchscreen drivers
 446                          * current limit value
 447                          */
 448                         st,i-drive = <1>;
 449                         /* 1 ms panel driver settling time */
 450                         st,settling = <3>;
 451                         /* 5 ms touch detect interrupt delay */
 452                         st,touch-det-delay = <5>;
 453                 };
 454
 455                 stmpe_gpio {
 456                         compatible = "st,stmpe-gpio";
 457                 };
 458
 459                 stmpe_pwm {
 460                         compatible = "st,stmpe-pwm";
 461                         #pwm-cells = <2>;
 462                 };
 463         };
 464 };
 465
 466 &mcspi3 {
 467         status = "okay";
 468         ti,pindir-d0-out-d1-in;
 469
 470         sn65hvs882: sn65hvs882@0 {
 471                 compatible = "pisosr-gpio";
 472                 gpio-controller;
 473                 #gpio-cells = <2>;
 474
 475                 reg = <0>;
 476                 spi-max-frequency = <1000000>;
 477                 spi-cpol;
 478         };
 479 };
 480
 481 &cpu0 {
 482         vdd-supply = <&vdd_mpu>;
 483         voltage-tolerance = <1>;
 484 };
 485
 486 &uart1 {
 487         status = "okay";
 488 };
 489
 490 &davinci_mdio {
 491         reset-gpios = <&gpio2 23 GPIO_ACTIVE_LOW>;
 492         reset-delay-us = <2>;
 493
 494         phy0: ethernet-phy@1 {
 495                 reg = <4>;
 496                 eee-broken-100tx;
 497                 eee-broken-1000t;
 498         };
 499 };
 500
 501 &mac {
 502         slaves = <1>;
 503         status = "okay";
 504 };
 505
 506 &cpsw_emac0 {
 507         phy-handle = <&phy0>;
 508         phy-mode = "rgmii-rxid";
 509 };
 510
 511 &ocp {
 512         pruss1_shmem: pruss_shmem@4b200000 {
 513                 status = "okay";
 514                 compatible = "ti,pruss-shmem";
 515                 reg = <0x4b200000 0x020000>;
 516         };
 517
 518         pruss2_shmem: pruss_shmem@4b280000 {
 519                 status = "okay";
 520                 compatible = "ti,pruss-shmem";
 521                 reg = <0x4b280000 0x020000>;
 522         };
 523 };
 524
 525 &mmc1 {
 526         status = "okay";
 527         vmmc-supply = <&vdd_3v3>;
 528         vqmmc-supply = <&vdd_sd>;
 529         bus-width = <4>;
 530         cd-gpios = <&gpio6 27 GPIO_ACTIVE_LOW>; /* gpio 219 */
 531
 532         pinctrl-names = "default";
 533         pinctrl-0 = <&mmc1_pins_default>;
 534 };
 535
 536 &mmc2 {
 537         status = "okay";
 538         vmmc-supply = <&vdd_1v8>;
 539         vqmmc-supply = <&vdd_1v8>;
 540         bus-width = <8>;
 541         ti,non-removable;
 542         non-removable;
 543         mmc-pwrseq = <&emmc_pwrseq>;
 544
 545         ti,needs-special-reset;
 546         dmas = <&sdma_xbar 47>, <&sdma_xbar 48>;
 547         dma-names = "tx", "rx";
 548
 549 };
 550
 551 &mmc4 {
 552         /* DS: Default speed (DS) up to 25 MHz, including 1- and 4-bit modes (3.3 V signaling). */
 553         /* HS: High speed up to 50 MHz (3.3 V signaling). */
 554         /* SDR12: SDR up to 25 MHz (1.8 V signaling). */
 555         /* SDR25: SDR up to 50 MHz (1.8 V signaling). */
 556         /* SDR50: SDR up to 100 MHz (1.8 V signaling). */
 557         /* SDR104: SDR up to 208 MHz (1.8 V signaling) */
 558         /* DDR50: DDR up to 50 MHz (1.8 V signaling). */
 559         status = "okay";
 560
 561         ti,needs-special-reset;
 562         vmmc-supply = <&vdd_3v3>;
 563         cap-power-off-card;
 564         keep-power-in-suspend;
 565         bus-width = <4>;
 566         ti,non-removable;
 567         non-removable;
 568         no-1-8-v;
 569         max-frequency = <24000000>;
 570
 571         #address-cells = <1>;
 572         #size-cells = <0>;
 573         mmc-pwrseq = <&brcmf_pwrseq>;
 574
 575         brcmf: wifi@1 {
 576                 status = "okay";
 577                 reg = <1>;
 578                 compatible = "brcm,bcm4329-fmac";
 579
 580                 brcm,sd-head-align = <4>;
 581                 brcm,sd_head_align = <4>;
 582                 brcm,sd_sgentry_align = <512>;
 583
 584                 interrupt-parent = <&gpio3>;
 585                 interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
 586                 interrupt-names = "host-wake";
 587         };
 588 };
 589
 590 &usb2_phy1 {
 591         phy-supply = <&ldousb_reg>;
 592 };
 593
 594 &usb2_phy2 {
 595         phy-supply = <&ldousb_reg>;
 596 };
 597
 598 &usb1 {
 599         status = "okay";
 600         dr_mode = "otg";
 601 };
 602
 603 &omap_dwc3_1 {
 604         extcon = <&extcon_usb1>;
 605 };
 606
 607 &usb2 {
 608         status = "okay";
 609         dr_mode = "host";
 610 };
 611
 612 &dss {
 613         status = "okay";
 614         vdda_video-supply = <&vdd_1v8_pll>;
 615 };
 616
 617 &hdmi {
 618         status = "okay";
 619         vdda-supply = <&vdd_1v8_phy_ldo4>;
 620
 621         port {
 622                 hdmi_out: endpoint {
 623                         remote-endpoint = <&hdmi_encoder_in>;
 624                 };
 625         };
 626 };
 627
 628 &bandgap {
 629         status = "okay";
 630 };
 631
 632 &mailbox1 {
 633         status = "okay";
 634 };
 635
 636 &mailbox2 {
 637         status = "okay";
 638 };
 639
 640 &mailbox3 {
 641         status = "okay";
 642 };
 643
 644 &mailbox4 {
 645         status = "okay";
 646 };
 647
 648 &mailbox5 {
 649         status = "okay";
 650 };
 651
 652 &mailbox6 {
 653         status = "okay";
 654 };
 655
 656 &mailbox7 {
 657         status = "okay";
 658 };
 659
 660 &mailbox8 {
 661         status = "okay";
 662 };
 663
 664 &mailbox9 {
 665         status = "okay";
 666 };
 667
 668 &mailbox10 {
 669         status = "okay";
 670 };
 671
 672 &mailbox11 {
 673         status = "okay";
 674 };
 675
 676 &mailbox12 {
 677         status = "okay";
 678 };
 679
 680 &mailbox13 {
 681         status = "okay";
 682 };
 683
 684 &cpu_alert0 {
 685         temperature = <55000>; /* milliCelsius */
 686 };
 687
 688 &cpu_crit {
 689         temperature = <85000>; /* milliCelsius */
 690 };
 691
 692 &gpu_crit {
 693         temperature = <85000>; /* milliCelsius */
 694 };
 695
 696 &core_crit {
 697         temperature = <85000>; /* milliCelsius */
 698 };
 699
 700 &dspeve_crit {
 701         temperature = <85000>; /* milliCelsius */
 702 };
 703
 704 &iva_crit {
 705         temperature = <85000>; /* milliCelsius */
 706 };
 707
 708 &sata {
 709         status = "disabled";
 710 };
 711
 712 &sata_phy {
 713         status = "disabled";
 714 };
 715
 716 /* bluetooth */
 717 &uart6 {
 718         status = "okay";
 719 };
 720
 721 /* cape header stuff */
 722 &i2c4 {
 723         status = "okay";
 724         clock-frequency = <100000>;
 725 };
 726
 727 &cpu0_opp_table {
 728         opp_slow-500000000 {
 729                 opp-shared;
 730         };
 731 };