arch/arm/boot/dts/imx51-zii-rdu1.dts

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /*
   3  * Copyright (C) 2017 Zodiac Inflight Innovations
   4  */
   5
   6 /dts-v1/;
   7 #include "imx51.dtsi"
   8 #include <dt-bindings/sound/fsl-imx-audmux.h>
   9
  10 / {
  11         model = "ZII RDU1 Board";
  12         compatible = "zii,imx51-rdu1", "fsl,imx51";
  13
  14         chosen {
  15                 stdout-path = &uart1;
  16         };
  17
  18         /* Will be filled by the bootloader */
  19         memory@90000000 {
  20                 device_type = "memory";
  21                 reg = <0x90000000 0>;
  22         };
  23
  24         aliases {
  25                 mdio-gpio0 = &mdio_gpio;
  26                 rtc0 = &ds1341;
  27         };
  28
  29         clk_26M_osc: 26M_osc {
  30                 compatible = "fixed-clock";
  31                 #clock-cells = <0>;
  32                 clock-frequency = <26000000>;
  33         };
  34
  35         clk_26M_osc_gate: 26M_gate {
  36                 compatible = "gpio-gate-clock";
  37                 pinctrl-names = "default";
  38                 pinctrl-0 = <&pinctrl_clk26mhz>;
  39                 clocks = <&clk_26M_osc>;
  40                 #clock-cells = <0>;
  41                 enable-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
  42         };
  43
  44         clk_26M_usb: usbhost_gate {
  45                 compatible = "gpio-gate-clock";
  46                 pinctrl-names = "default";
  47                 pinctrl-0 = <&pinctrl_usbgate26mhz>;
  48                 clocks = <&clk_26M_osc_gate>;
  49                 #clock-cells = <0>;
  50                 enable-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
  51         };
  52
  53         clk_26M_snd: snd_gate {
  54                 compatible = "gpio-gate-clock";
  55                 pinctrl-names = "default";
  56                 pinctrl-0 = <&pinctrl_sndgate26mhz>;
  57                 clocks = <&clk_26M_osc_gate>;
  58                 #clock-cells = <0>;
  59                 enable-gpios = <&gpio4 26 GPIO_ACTIVE_LOW>;
  60         };
  61
  62         reg_5p0v_main: regulator-5p0v-main {
  63                 compatible = "regulator-fixed";
  64                 regulator-name = "5V_MAIN";
  65                 regulator-min-microvolt = <5000000>;
  66                 regulator-max-microvolt = <5000000>;
  67                 regulator-always-on;
  68         };
  69
  70         reg_3p3v: regulator-3p3v {
  71                 compatible = "regulator-fixed";
  72                 regulator-name = "3.3V";
  73                 regulator-min-microvolt = <3300000>;
  74                 regulator-max-microvolt = <3300000>;
  75                 regulator-always-on;
  76         };
  77
  78         disp0 {
  79                 compatible = "fsl,imx-parallel-display";
  80                 pinctrl-names = "default";
  81                 pinctrl-0 = <&pinctrl_ipu_disp1>;
  82
  83                 #address-cells = <1>;
  84                 #size-cells = <0>;
  85
  86                 port@0 {
  87                         reg = <0>;
  88
  89                         display_in: endpoint {
  90                                 remote-endpoint = <&ipu_di0_disp1>;
  91                         };
  92                 };
  93
  94                 port@1 {
  95                         reg = <1>;
  96
  97                         display_out: endpoint {
  98                                 remote-endpoint = <&panel_in>;
  99                         };
 100                 };
 101         };
 102
 103         panel {
 104                 /* no compatible here, bootloader will patch in correct one */
 105                 pinctrl-names = "default";
 106                 pinctrl-0 = <&pinctrl_panel>;
 107                 power-supply = <&reg_3p3v>;
 108                 enable-gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
 109                 status = "disabled";
 110
 111                 port {
 112                         panel_in: endpoint {
 113                                 remote-endpoint = <&display_out>;
 114                         };
 115                 };
 116         };
 117
 118         i2c_gpio: i2c-gpio {
 119                 compatible = "i2c-gpio";
 120                 pinctrl-names = "default";
 121                 pinctrl-0 = <&pinctrl_swi2c>;
 122                 gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>, /* sda */
 123                         <&gpio3 4 GPIO_ACTIVE_HIGH>; /* scl */
 124                 i2c-gpio,delay-us = <50>;
 125                 status = "okay";
 126
 127                 #address-cells = <1>;
 128                 #size-cells = <0>;
 129
 130                 sgtl5000: codec@a {
 131                         compatible = "fsl,sgtl5000";
 132                         reg = <0x0a>;
 133                         clocks = <&clk_26M_snd>;
 134                         VDDA-supply = <&vdig_reg>;
 135                         VDDIO-supply = <&vvideo_reg>;
 136                         #sound-dai-cells = <0>;
 137                 };
 138         };
 139
 140         spi_gpio: spi-gpio {
 141                 compatible = "spi-gpio";
 142                 #address-cells = <1>;
 143                 #size-cells = <0>;
 144                 pinctrl-names = "default";
 145                 pinctrl-0 = <&pinctrl_gpiospi0>;
 146                 status = "okay";
 147
 148                 gpio-sck = <&gpio4 15 GPIO_ACTIVE_HIGH>;
 149                 gpio-mosi = <&gpio4 12 GPIO_ACTIVE_HIGH>;
 150                 gpio-miso = <&gpio4 11 GPIO_ACTIVE_HIGH>;
 151                 num-chipselects = <1>;
 152                 cs-gpios = <&gpio4 14 GPIO_ACTIVE_HIGH>;
 153
 154                 eeprom@0 {
 155                         compatible = "eeprom-93xx46";
 156                         reg = <0>;
 157                         spi-max-frequency = <1000000>;
 158                         spi-cs-high;
 159                         data-size = <8>;
 160                 };
 161         };
 162
 163         mdio_gpio: mdio-gpio {
 164                 compatible = "virtual,mdio-gpio";
 165                 pinctrl-names = "default";
 166                 pinctrl-0 = <&pinctrl_swmdio>;
 167                 gpios = <&gpio3 26 GPIO_ACTIVE_HIGH>, /* mdc */
 168                         <&gpio3 25 GPIO_ACTIVE_HIGH>; /* mdio */
 169
 170                 #address-cells = <1>;
 171                 #size-cells = <0>;
 172
 173                 switch@0 {
 174                         compatible = "marvell,mv88e6085";
 175                         reg = <0>;
 176                         dsa,member = <0 0>;
 177
 178                         ports {
 179                                 #address-cells = <1>;
 180                                 #size-cells = <0>;
 181
 182                                 port@0 {
 183                                         reg = <0>;
 184                                         label = "cpu";
 185                                         ethernet = <&fec>;
 186
 187                                         fixed-link {
 188                                                 speed = <100>;
 189                                                 full-duplex;
 190                                         };
 191                                 };
 192
 193                                 port@1 {
 194                                         reg = <1>;
 195                                         label = "netaux";
 196                                 };
 197
 198                                 port@3 {
 199                                         reg = <3>;
 200                                         label = "netright";
 201                                 };
 202
 203                                 port@4 {
 204                                         reg = <4>;
 205                                         label = "netleft";
 206                                 };
 207                         };
 208                 };
 209         };
 210
 211         sound {
 212                 compatible = "simple-audio-card";
 213                 simple-audio-card,name = "Front";
 214                 simple-audio-card,format = "i2s";
 215                 simple-audio-card,bitclock-master = <&sound_codec>;
 216                 simple-audio-card,frame-master = <&sound_codec>;
 217                 simple-audio-card,widgets =
 218                         "Headphone", "Headphone Jack";
 219                 simple-audio-card,routing =
 220                         "Headphone Jack", "TPA6130A2 HPLEFT",
 221                         "Headphone Jack", "TPA6130A2 HPRIGHT";
 222                 simple-audio-card,aux-devs = <&hpa1>;
 223
 224                 sound_cpu: simple-audio-card,cpu {
 225                         sound-dai = <&ssi2>;
 226                 };
 227
 228                 sound_codec: simple-audio-card,codec {
 229                         sound-dai = <&sgtl5000>;
 230                         clocks = <&clk_26M_snd>;
 231                 };
 232         };
 233
 234         usbh1phy: usbphy1 {
 235                 compatible = "usb-nop-xceiv";
 236                 pinctrl-names = "default";
 237                 pinctrl-0 = <&pinctrl_usbh1phy>;
 238                 clocks = <&clk_26M_usb>;
 239                 clock-names = "main_clk";
 240                 reset-gpios = <&gpio4 8 GPIO_ACTIVE_LOW>;
 241                 vcc-supply = <&vusb_reg>;
 242                 #phy-cells = <0>;
 243         };
 244
 245         usbh2phy: usbphy2 {
 246                 compatible = "usb-nop-xceiv";
 247                 pinctrl-names = "default";
 248                 pinctrl-0 = <&pinctrl_usbh2phy>;
 249                 clocks = <&clk_26M_usb>;
 250                 clock-names = "main_clk";
 251                 reset-gpios = <&gpio4 7 GPIO_ACTIVE_LOW>;
 252                 vcc-supply = <&vusb_reg>;
 253                 #phy-cells = <0>;
 254         };
 255 };
 256
 257 &audmux {
 258         pinctrl-names = "default";
 259         pinctrl-0 = <&pinctrl_audmux>;
 260         status = "okay";
 261
 262         ssi2 {
 263                 fsl,audmux-port = <1>;
 264                 fsl,port-config = <
 265                         (IMX_AUDMUX_V2_PTCR_SYN |
 266                          IMX_AUDMUX_V2_PTCR_TFSEL(2) |
 267                          IMX_AUDMUX_V2_PTCR_TCSEL(2) |
 268                          IMX_AUDMUX_V2_PTCR_TFSDIR |
 269                          IMX_AUDMUX_V2_PTCR_TCLKDIR)
 270                         IMX_AUDMUX_V2_PDCR_RXDSEL(2)
 271                 >;
 272         };
 273
 274         aud3 {
 275                 fsl,audmux-port = <2>;
 276                 fsl,port-config = <
 277                         IMX_AUDMUX_V2_PTCR_SYN
 278                         IMX_AUDMUX_V2_PDCR_RXDSEL(1)
 279                 >;
 280         };
 281 };
 282
 283 &cpu {
 284         cpu-supply = <&sw1_reg>;
 285 };
 286
 287 &ecspi1 {
 288         pinctrl-names = "default";
 289         pinctrl-0 = <&pinctrl_ecspi1>;
 290         cs-gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>,
 291                    <&gpio4 25 GPIO_ACTIVE_LOW>;
 292         status = "okay";
 293
 294         pmic@0 {
 295                 compatible = "fsl,mc13892";
 296                 pinctrl-names = "default";
 297                 pinctrl-0 = <&pinctrl_pmic>;
 298                 spi-max-frequency = <6000000>;
 299                 spi-cs-high;
 300                 reg = <0>;
 301                 interrupt-parent = <&gpio1>;
 302                 interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
 303                 fsl,mc13xxx-uses-adc;
 304
 305                 regulators {
 306                         sw1_reg: sw1 {
 307                                 regulator-min-microvolt = <600000>;
 308                                 regulator-max-microvolt = <1375000>;
 309                                 regulator-boot-on;
 310                                 regulator-always-on;
 311                         };
 312
 313                         sw2_reg: sw2 {
 314                                 regulator-min-microvolt = <900000>;
 315                                 regulator-max-microvolt = <1850000>;
 316                                 regulator-boot-on;
 317                                 regulator-always-on;
 318                         };
 319
 320                         sw3_reg: sw3 {
 321                                 regulator-min-microvolt = <1100000>;
 322                                 regulator-max-microvolt = <1850000>;
 323                                 regulator-boot-on;
 324                                 regulator-always-on;
 325                         };
 326
 327                         sw4_reg: sw4 {
 328                                 regulator-min-microvolt = <1100000>;
 329                                 regulator-max-microvolt = <1850000>;
 330                                 regulator-boot-on;
 331                                 regulator-always-on;
 332                         };
 333
 334                         vpll_reg: vpll {
 335                                 regulator-min-microvolt = <1050000>;
 336                                 regulator-max-microvolt = <1800000>;
 337                                 regulator-boot-on;
 338                                 regulator-always-on;
 339                         };
 340
 341                         vdig_reg: vdig {
 342                                 regulator-min-microvolt = <1650000>;
 343                                 regulator-max-microvolt = <1650000>;
 344                                 regulator-boot-on;
 345                         };
 346
 347                         vsd_reg: vsd {
 348                                 regulator-min-microvolt = <1800000>;
 349                                 regulator-max-microvolt = <3150000>;
 350                         };
 351
 352                         vusb_reg: vusb {
 353                                 regulator-always-on;
 354                         };
 355
 356                         vusb2_reg: vusb2 {
 357                                 regulator-min-microvolt = <2400000>;
 358                                 regulator-max-microvolt = <2775000>;
 359                                 regulator-boot-on;
 360                                 regulator-always-on;
 361                         };
 362
 363                         vvideo_reg: vvideo {
 364                                 regulator-min-microvolt = <2775000>;
 365                                 regulator-max-microvolt = <2775000>;
 366                         };
 367
 368                         vaudio_reg: vaudio {
 369                                 regulator-min-microvolt = <2300000>;
 370                                 regulator-max-microvolt = <3000000>;
 371                         };
 372
 373                         vcam_reg: vcam {
 374                                 regulator-min-microvolt = <2500000>;
 375                                 regulator-max-microvolt = <3000000>;
 376                         };
 377
 378                         vgen1_reg: vgen1 {
 379                                 regulator-min-microvolt = <1200000>;
 380                                 regulator-max-microvolt = <1200000>;
 381                         };
 382
 383                         vgen2_reg: vgen2 {
 384                                 regulator-min-microvolt = <1200000>;
 385                                 regulator-max-microvolt = <3150000>;
 386                                 regulator-always-on;
 387                         };
 388
 389                         vgen3_reg: vgen3 {
 390                                 regulator-min-microvolt = <1800000>;
 391                                 regulator-max-microvolt = <2900000>;
 392                                 regulator-always-on;
 393                         };
 394                 };
 395
 396                 leds {
 397                         #address-cells = <1>;
 398                         #size-cells = <0>;
 399                         led-control = <0x0 0x0 0x3f83f8 0x0>;
 400
 401                         sysled0@3 {
 402                                 reg = <3>;
 403                                 label = "system:green:status";
 404                                 linux,default-trigger = "default-on";
 405                         };
 406
 407                         sysled1@4 {
 408                                 reg = <4>;
 409                                 label = "system:green:act";
 410                                 linux,default-trigger = "heartbeat";
 411                         };
 412                 };
 413         };
 414
 415         flash@1 {
 416                 #address-cells = <1>;
 417                 #size-cells = <1>;
 418                 compatible = "atmel,at45db642d", "atmel,at45", "atmel,dataflash";
 419                 spi-max-frequency = <25000000>;
 420                 reg = <1>;
 421         };
 422 };
 423
 424 &esdhc1 {
 425         pinctrl-names = "default";
 426         pinctrl-0 = <&pinctrl_esdhc1>;
 427         bus-width = <4>;
 428         no-1-8-v;
 429         non-removable;
 430         no-sdio;
 431         no-sd;
 432         status = "okay";
 433 };
 434
 435 &fec {
 436         pinctrl-names = "default";
 437         pinctrl-0 = <&pinctrl_fec>;
 438         phy-mode = "mii";
 439         phy-reset-gpios = <&gpio2 14 GPIO_ACTIVE_LOW>;
 440         phy-supply = <&vgen3_reg>;
 441         status = "okay";
 442 };
 443
 444 &gpio1 {
 445         gpio-line-names = "", "", "", "",
 446                           "", "", "", "",
 447                           "", "hp-amp-shutdown-b", "", "",
 448                           "", "", "", "",
 449                           "", "", "", "",
 450                           "", "", "", "",
 451                           "", "", "", "",
 452                           "", "", "", "";
 453
 454         unused-sd3-wp-hog {
 455                 /*
 456                  * See pinctrl_esdhc1 below for more details on this
 457                  */
 458                 gpio-hog;
 459                 gpios = <1 GPIO_ACTIVE_HIGH>;
 460                 output-high;
 461         };
 462 };
 463
 464 &i2c2 {
 465         pinctrl-names = "default";
 466         pinctrl-0 = <&pinctrl_i2c2>;
 467         status = "okay";
 468
 469         hpa1: amp@60 {
 470                 compatible = "ti,tpa6130a2";
 471                 reg = <0x60>;
 472                 Vdd-supply = <&reg_3p3v>;
 473                 sound-name-prefix = "TPA6130A2";
 474         };
 475
 476         ds1341: rtc@68 {
 477                 compatible = "dallas,ds1341";
 478                 reg = <0x68>;
 479         };
 480
 481         /* touch nodes default disabled, bootloader will enable the right one */
 482
 483         touchscreen@4b {
 484                 compatible = "atmel,maxtouch";
 485                 reg = <0x4b>;
 486                 pinctrl-names = "default";
 487                 pinctrl-0 = <&pinctrl_ts>;
 488                 interrupt-parent = <&gpio3>;
 489                 interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
 490                 status = "disabled";
 491         };
 492
 493         touchscreen@4c {
 494                 compatible = "atmel,maxtouch";
 495                 reg = <0x4c>;
 496                 pinctrl-names = "default";
 497                 pinctrl-0 = <&pinctrl_ts>;
 498                 interrupt-parent = <&gpio3>;
 499                 interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
 500                 status = "disabled";
 501         };
 502
 503         touchscreen@20 {
 504                 compatible = "syna,rmi4-i2c";
 505                 reg = <0x20>;
 506                 pinctrl-names = "default";
 507                 pinctrl-0 = <&pinctrl_ts>;
 508                 interrupt-parent = <&gpio3>;
 509                 interrupts = <12 IRQ_TYPE_LEVEL_LOW>;
 510                 status = "disabled";
 511
 512                 #address-cells = <1>;
 513                 #size-cells = <0>;
 514
 515                 rmi4-f01@1 {
 516                         reg = <0x1>;
 517                         syna,nosleep-mode = <2>;
 518                 };
 519
 520                 rmi4-f11@11 {
 521                         reg = <0x11>;
 522                         touchscreen-inverted-x;
 523                         touchscreen-swapped-x-y;
 524                         syna,sensor-type = <1>;
 525                 };
 526         };
 527
 528 };
 529
 530 &ipu_di0_disp1 {
 531         remote-endpoint = <&display_in>;
 532 };
 533
 534 &pmu {
 535         secure-reg-access;
 536 };
 537
 538 &ssi2 {
 539         status = "okay";
 540 };
 541
 542 &uart1 {
 543         pinctrl-names = "default";
 544         pinctrl-0 = <&pinctrl_uart1>;
 545         status = "okay";
 546 };
 547
 548 &uart2 {
 549         pinctrl-names = "default";
 550         pinctrl-0 = <&pinctrl_uart2>;
 551         status = "okay";
 552 };
 553
 554 &uart3 {
 555         pinctrl-names = "default";
 556         pinctrl-0 = <&pinctrl_uart3>;
 557         status = "okay";
 558
 559         rave-sp {
 560                 compatible = "zii,rave-sp-rdu1";
 561                 current-speed = <38400>;
 562                 #address-cells = <1>;
 563                 #size-cells = <1>;
 564
 565                 watchdog {
 566                         compatible = "zii,rave-sp-watchdog";
 567                 };
 568
 569                 backlight {
 570                         compatible = "zii,rave-sp-backlight";
 571                 };
 572
 573                 pwrbutton {
 574                         compatible = "zii,rave-sp-pwrbutton";
 575                 };
 576
 577                 eeprom@a3 {
 578                         compatible = "zii,rave-sp-eeprom";
 579                         reg = <0xa3 0x2000>;
 580                         #address-cells = <1>;
 581                         #size-cells = <1>;
 582                         zii,eeprom-name = "dds-eeprom";
 583                 };
 584
 585                 eeprom@a4 {
 586                         compatible = "zii,rave-sp-eeprom";
 587                         reg = <0xa4 0x4000>;
 588                         #address-cells = <1>;
 589                         #size-cells = <1>;
 590                         zii,eeprom-name = "main-eeprom";
 591                 };
 592
 593                 eeprom@ae {
 594                         compatible = "zii,rave-sp-eeprom";
 595                         reg = <0xae 0x200>;
 596                         zii,eeprom-name = "switch-eeprom";
 597                         /*
 598                          * Not all RDU1s have this functionality, so we
 599                          * rely on the bootloader to enable this
 600                          */
 601                         status = "disabled";
 602                 };
 603         };
 604 };
 605
 606 &usbh1 {
 607         pinctrl-names = "default";
 608         pinctrl-0 = <&pinctrl_usbh1>;
 609         dr_mode = "host";
 610         phy_type = "ulpi";
 611         fsl,usbphy = <&usbh1phy>;
 612         disable-over-current;
 613         maximum-speed = "full-speed";
 614         vbus-supply = <&reg_5p0v_main>;
 615         status = "okay";
 616 };
 617
 618 &usbh2 {
 619         pinctrl-names = "default";
 620         pinctrl-0 = <&pinctrl_usbh2>;
 621         dr_mode = "host";
 622         phy_type = "ulpi";
 623         fsl,usbphy = <&usbh2phy>;
 624         disable-over-current;
 625         vbus-supply = <&reg_5p0v_main>;
 626         status = "okay";
 627 };
 628
 629 &usbphy0 {
 630         vcc-supply = <&vusb_reg>;
 631 };
 632
 633 &usbotg {
 634         dr_mode = "host";
 635         disable-over-current;
 636         phy_type = "utmi_wide";
 637         vbus-supply = <&reg_5p0v_main>;
 638         status = "okay";
 639 };
 640
 641 &wdog1 {
 642         status = "disabled";
 643 };
 644
 645 &iomuxc {
 646         pinctrl-names = "default";
 647         pinctrl-0 = <&pinctrl_hog>;
 648
 649         pinctrl_hog: hoggrp {
 650                 fsl,pins = <
 651                         MX51_PAD_GPIO1_9__GPIO1_9               0x5e
 652                 >;
 653         };
 654
 655         pinctrl_audmux: audmuxgrp {
 656                 fsl,pins = <
 657                         MX51_PAD_AUD3_BB_TXD__AUD3_TXD          0xa5
 658                         MX51_PAD_AUD3_BB_RXD__AUD3_RXD          0x85
 659                         MX51_PAD_AUD3_BB_CK__AUD3_TXC           0xa5
 660                         MX51_PAD_AUD3_BB_FS__AUD3_TXFS          0x85
 661                 >;
 662         };
 663
 664         pinctrl_clk26mhz: clk26mhzgrp {
 665                 fsl,pins = <
 666                         MX51_PAD_DI1_PIN12__GPIO3_1             0x85
 667                 >;
 668         };
 669
 670         pinctrl_ecspi1: ecspi1grp {
 671                 fsl,pins = <
 672                         MX51_PAD_CSPI1_MISO__ECSPI1_MISO        0x185
 673                         MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI        0x185
 674                         MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK        0x185
 675                         MX51_PAD_CSPI1_SS0__GPIO4_24            0x85
 676                         MX51_PAD_CSPI1_SS1__GPIO4_25            0x85
 677                 >;
 678         };
 679
 680         pinctrl_esdhc1: esdhc1grp {
 681                 fsl,pins = <
 682                         MX51_PAD_SD1_CMD__SD1_CMD               0x400020d5
 683                         MX51_PAD_SD1_CLK__SD1_CLK               0x20d5
 684                         MX51_PAD_SD1_DATA0__SD1_DATA0           0x20d5
 685                         MX51_PAD_SD1_DATA1__SD1_DATA1           0x20d5
 686                         MX51_PAD_SD1_DATA2__SD1_DATA2           0x20d5
 687                         MX51_PAD_SD1_DATA3__SD1_DATA3           0x20d5
 688                         /*
 689                          * GPIO1_1 is not directly used by eSDHC1 in
 690                          * any capacity, but earlier versions of RDU1
 691                          * used that pin as WP GPIO for eSDHC3 and
 692                          * because of that that pad has an external
 693                          * pull-up resistor. This is problematic
 694                          * because out of reset the pad is configured
 695                          * as ALT0 which serves as SD1_WP, which, when
 696                          * pulled high by and external pull-up, will
 697                          * inhibit execution of any write request to
 698                          * attached eMMC device.
 699                          *
 700                          * To avoid this problem we configure the pad
 701                          * to ALT1/GPIO and avoid driving SD1_WP
 702                          * signal high.
 703                          */
 704                         MX51_PAD_GPIO1_1__GPIO1_1               0x0000
 705                 >;
 706         };
 707
 708         pinctrl_fec: fecgrp {
 709                 fsl,pins = <
 710                         MX51_PAD_EIM_EB2__FEC_MDIO              0x1f5
 711                         MX51_PAD_NANDF_D9__FEC_RDATA0           0x2180
 712                         MX51_PAD_EIM_EB3__FEC_RDATA1            0x180
 713                         MX51_PAD_EIM_CS2__FEC_RDATA2            0x180
 714                         MX51_PAD_EIM_CS3__FEC_RDATA3            0x180
 715                         MX51_PAD_EIM_CS4__FEC_RX_ER             0x180
 716                         MX51_PAD_NANDF_D11__FEC_RX_DV           0x2084
 717                         MX51_PAD_EIM_CS5__FEC_CRS               0x180
 718                         MX51_PAD_NANDF_RB2__FEC_COL             0x2180
 719                         MX51_PAD_NANDF_RB3__FEC_RX_CLK          0x2180
 720                         MX51_PAD_NANDF_CS2__FEC_TX_ER           0x2004
 721                         MX51_PAD_NANDF_CS3__FEC_MDC             0x2004
 722                         MX51_PAD_NANDF_D8__FEC_TDATA0           0x2180
 723                         MX51_PAD_NANDF_CS4__FEC_TDATA1          0x2004
 724                         MX51_PAD_NANDF_CS5__FEC_TDATA2          0x2004
 725                         MX51_PAD_NANDF_CS6__FEC_TDATA3          0x2004
 726                         MX51_PAD_DISP2_DAT9__FEC_TX_EN          0x2004
 727                         MX51_PAD_DISP2_DAT13__FEC_TX_CLK        0x2180
 728                         MX51_PAD_EIM_A20__GPIO2_14              0x85
 729                 >;
 730         };
 731
 732         pinctrl_gpiospi0: gpiospi0grp {
 733                 fsl,pins = <
 734                         MX51_PAD_CSI2_D18__GPIO4_11             0x85
 735                         MX51_PAD_CSI2_D19__GPIO4_12             0x85
 736                         MX51_PAD_CSI2_HSYNC__GPIO4_14           0x85
 737                         MX51_PAD_CSI2_PIXCLK__GPIO4_15          0x85
 738                 >;
 739         };
 740
 741         pinctrl_i2c2: i2c2grp {
 742                 fsl,pins = <
 743                         MX51_PAD_KEY_COL4__I2C2_SCL             0x400001ed
 744                         MX51_PAD_KEY_COL5__I2C2_SDA             0x400001ed
 745                 >;
 746         };
 747
 748         pinctrl_ipu_disp1: ipudisp1grp {
 749                 fsl,pins = <
 750                         MX51_PAD_DISP1_DAT0__DISP1_DAT0         0x5
 751                         MX51_PAD_DISP1_DAT1__DISP1_DAT1         0x5
 752                         MX51_PAD_DISP1_DAT2__DISP1_DAT2         0x5
 753                         MX51_PAD_DISP1_DAT3__DISP1_DAT3         0x5
 754                         MX51_PAD_DISP1_DAT4__DISP1_DAT4         0x5
 755                         MX51_PAD_DISP1_DAT5__DISP1_DAT5         0x5
 756                         MX51_PAD_DISP1_DAT6__DISP1_DAT6         0x5
 757                         MX51_PAD_DISP1_DAT7__DISP1_DAT7         0x5
 758                         MX51_PAD_DISP1_DAT8__DISP1_DAT8         0x5
 759                         MX51_PAD_DISP1_DAT9__DISP1_DAT9         0x5
 760                         MX51_PAD_DISP1_DAT10__DISP1_DAT10       0x5
 761                         MX51_PAD_DISP1_DAT11__DISP1_DAT11       0x5
 762                         MX51_PAD_DISP1_DAT12__DISP1_DAT12       0x5
 763                         MX51_PAD_DISP1_DAT13__DISP1_DAT13       0x5
 764                         MX51_PAD_DISP1_DAT14__DISP1_DAT14       0x5
 765                         MX51_PAD_DISP1_DAT15__DISP1_DAT15       0x5
 766                         MX51_PAD_DISP1_DAT16__DISP1_DAT16       0x5
 767                         MX51_PAD_DISP1_DAT17__DISP1_DAT17       0x5
 768                         MX51_PAD_DISP1_DAT18__DISP1_DAT18       0x5
 769                         MX51_PAD_DISP1_DAT19__DISP1_DAT19       0x5
 770                         MX51_PAD_DISP1_DAT20__DISP1_DAT20       0x5
 771                         MX51_PAD_DISP1_DAT21__DISP1_DAT21       0x5
 772                         MX51_PAD_DISP1_DAT22__DISP1_DAT22       0x5
 773                         MX51_PAD_DISP1_DAT23__DISP1_DAT23       0x5
 774                         MX51_PAD_DI1_PIN2__DI1_PIN2             0x5
 775                         MX51_PAD_DI1_PIN3__DI1_PIN3             0x5
 776                         MX51_PAD_DI2_DISP_CLK__DI2_DISP_CLK     0x5
 777                 >;
 778         };
 779
 780         pinctrl_panel: panelgrp {
 781                 fsl,pins = <
 782                         MX51_PAD_DI1_D0_CS__GPIO3_3             0x85
 783                 >;
 784         };
 785
 786         pinctrl_pmic: pmicgrp {
 787                 fsl,pins = <
 788                         MX51_PAD_GPIO1_4__GPIO1_4               0x1e0
 789                         MX51_PAD_GPIO1_8__GPIO1_8               0x21e2
 790                 >;
 791         };
 792
 793         pinctrl_sndgate26mhz: sndgate26mhzgrp {
 794                 fsl,pins = <
 795                         MX51_PAD_CSPI1_RDY__GPIO4_26            0x85
 796                 >;
 797         };
 798
 799         pinctrl_swi2c: swi2cgrp {
 800                 fsl,pins = <
 801                         MX51_PAD_GPIO1_2__GPIO1_2               0xc5
 802                         MX51_PAD_DI1_D1_CS__GPIO3_4             0x400001f5
 803                 >;
 804         };
 805
 806         pinctrl_swmdio: swmdiogrp {
 807                 fsl,pins = <
 808                         MX51_PAD_NANDF_D14__GPIO3_26            0x21e6
 809                         MX51_PAD_NANDF_D15__GPIO3_25            0x21e6
 810                 >;
 811         };
 812
 813         pinctrl_ts: tsgrp {
 814                 fsl,pins = <
 815                         MX51_PAD_CSI1_D8__GPIO3_12              0x04
 816                         MX51_PAD_CSI1_D9__GPIO3_13              0x85
 817                 >;
 818         };
 819
 820         pinctrl_uart1: uart1grp {
 821                 fsl,pins = <
 822                         MX51_PAD_UART1_RXD__UART1_RXD           0x1c5
 823                         MX51_PAD_UART1_TXD__UART1_TXD           0x1c5
 824                         MX51_PAD_UART1_RTS__UART1_RTS           0x1c4
 825                         MX51_PAD_UART1_CTS__UART1_CTS           0x1c4
 826                 >;
 827         };
 828
 829         pinctrl_uart2: uart2grp {
 830                 fsl,pins = <
 831                         MX51_PAD_UART2_RXD__UART2_RXD           0xc5
 832                         MX51_PAD_UART2_TXD__UART2_TXD           0xc5
 833                 >;
 834         };
 835
 836         pinctrl_uart3: uart3grp {
 837                 fsl,pins = <
 838                         MX51_PAD_EIM_D25__UART3_RXD             0x1c5
 839                         MX51_PAD_EIM_D26__UART3_TXD             0x1c5
 840                 >;
 841         };
 842
 843         pinctrl_usbgate26mhz: usbgate26mhzgrp {
 844                 fsl,pins = <
 845                         MX51_PAD_DISP2_DAT6__GPIO1_19           0x85
 846                 >;
 847         };
 848
 849         pinctrl_usbh1: usbh1grp {
 850                 fsl,pins = <
 851                         MX51_PAD_USBH1_STP__USBH1_STP           0x0
 852                         MX51_PAD_USBH1_CLK__USBH1_CLK           0x0
 853                         MX51_PAD_USBH1_DIR__USBH1_DIR           0x0
 854                         MX51_PAD_USBH1_NXT__USBH1_NXT           0x0
 855                         MX51_PAD_USBH1_DATA0__USBH1_DATA0       0x0
 856                         MX51_PAD_USBH1_DATA1__USBH1_DATA1       0x0
 857                         MX51_PAD_USBH1_DATA2__USBH1_DATA2       0x0
 858                         MX51_PAD_USBH1_DATA3__USBH1_DATA3       0x0
 859                         MX51_PAD_USBH1_DATA4__USBH1_DATA4       0x0
 860                         MX51_PAD_USBH1_DATA5__USBH1_DATA5       0x0
 861                         MX51_PAD_USBH1_DATA6__USBH1_DATA6       0x0
 862                         MX51_PAD_USBH1_DATA7__USBH1_DATA7       0x0
 863                 >;
 864         };
 865
 866         pinctrl_usbh1phy: usbh1phygrp {
 867                 fsl,pins = <
 868                         MX51_PAD_NANDF_D0__GPIO4_8              0x85
 869                 >;
 870         };
 871
 872         pinctrl_usbh2: usbh2grp {
 873                 fsl,pins = <
 874                         MX51_PAD_EIM_A26__USBH2_STP             0x0
 875                         MX51_PAD_EIM_A24__USBH2_CLK             0x0
 876                         MX51_PAD_EIM_A25__USBH2_DIR             0x0
 877                         MX51_PAD_EIM_A27__USBH2_NXT             0x0
 878                         MX51_PAD_EIM_D16__USBH2_DATA0           0x0
 879                         MX51_PAD_EIM_D17__USBH2_DATA1           0x0
 880                         MX51_PAD_EIM_D18__USBH2_DATA2           0x0
 881                         MX51_PAD_EIM_D19__USBH2_DATA3           0x0
 882                         MX51_PAD_EIM_D20__USBH2_DATA4           0x0
 883                         MX51_PAD_EIM_D21__USBH2_DATA5           0x0
 884                         MX51_PAD_EIM_D22__USBH2_DATA6           0x0
 885                         MX51_PAD_EIM_D23__USBH2_DATA7           0x0
 886                 >;
 887         };
 888
 889         pinctrl_usbh2phy: usbh2phygrp {
 890                 fsl,pins = <
 891                         MX51_PAD_NANDF_D1__GPIO4_7              0x85
 892                 >;
 893         };
 894 };