src/arm/ste-ux500-samsung-skomer.dts

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Devicetree for the Samsung XCover 2 GT-S7710 also known as Skomer.
   4  */
   5
   6 /dts-v1/;
   7 #include "ste-db8500.dtsi"
   8 #include "ste-ab8505.dtsi"
   9 #include "ste-dbx5x0-pinctrl.dtsi"
  10 #include <dt-bindings/gpio/gpio.h>
  11 #include <dt-bindings/input/input.h>
  12 #include <dt-bindings/interrupt-controller/irq.h>
  13
  14 / {
  15         model = "Samsung XCover 2 (GT-S7710)";
  16         compatible = "samsung,skomer", "st-ericsson,u8500";
  17
  18         chosen {
  19                 stdout-path = &serial2;
  20         };
  21
  22         /* TI TXS0206 level translator for 2.9 V */
  23         sd_level_translator: regulator-gpio {
  24                 compatible = "regulator-fixed";
  25
  26                 /* GPIO87 EN */
  27                 gpios = <&gpio2 23 GPIO_ACTIVE_HIGH>;
  28                 enable-active-high;
  29
  30                 regulator-name = "sd-level-translator";
  31                 regulator-min-microvolt = <2900000>;
  32                 regulator-max-microvolt = <2900000>;
  33                 regulator-type = "voltage";
  34
  35                 startup-delay-us = <200>;
  36
  37                 pinctrl-names = "default";
  38                 pinctrl-0 = <&sd_level_translator_default>;
  39         };
  40
  41         /* External LDO MIC5366-3.3YMT for eMMC */
  42         ldo_3v3_reg: regulator-gpio-ldo-3v3 {
  43                 compatible = "regulator-fixed";
  44                 regulator-name = "en-3v3-fixed-supply";
  45                 regulator-min-microvolt = <3300000>;
  46                 regulator-max-microvolt = <3300000>;
  47                 gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
  48                 startup-delay-us = <5000>;
  49                 enable-active-high;
  50                 pinctrl-names = "default";
  51                 pinctrl-0 = <&emmc_ldo_en_default_mode>;
  52         };
  53
  54         wlan_en: regulator-gpio-wlan-en {
  55                 compatible = "regulator-fixed";
  56                 regulator-name = "wl-reg-on";
  57                 regulator-min-microvolt = <3000000>;
  58                 regulator-max-microvolt = <3000000>;
  59                 startup-delay-us = <200000>;
  60                 /* GPIO215 WLAN_EN */
  61                 gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>;
  62                 enable-active-high;
  63                 pinctrl-names = "default";
  64                 pinctrl-0 = <&wlan_en_default_mode>;
  65         };
  66
  67         vibrator {
  68                 compatible = "gpio-vibrator";
  69                 enable-gpios = <&gpio6 3 GPIO_ACTIVE_HIGH>;
  70                 pinctrl-names = "default";
  71                 pinctrl-0 = <&vibrator_default>;
  72         };
  73
  74         gpio-keys {
  75                 compatible = "gpio-keys";
  76                 pinctrl-names = "default";
  77                 pinctrl-0 = <&gpio_keys_default_mode>;
  78
  79                 button-home {
  80                         linux,code = <KEY_HOME>;
  81                         label = "HOME";
  82                         /* GPIO91 */
  83                         gpios = <&gpio2 27 GPIO_ACTIVE_LOW>;
  84                 };
  85                 button-volup {
  86                         linux,code = <KEY_VOLUMEUP>;
  87                         label = "VOL+";
  88                         /* GPIO67 */
  89                         gpios = <&gpio2 3 GPIO_ACTIVE_LOW>;
  90                 };
  91                 button-voldown {
  92                         linux,code = <KEY_VOLUMEDOWN>;
  93                         label = "VOL-";
  94                         /* GPIO92 */
  95                         gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;
  96                 };
  97                 button-menu {
  98                         linux,code = <KEY_MENU>;
  99                         label = "MENU";
 100                         /* GPIO204 */
 101                         gpios = <&gpio6 12 GPIO_ACTIVE_LOW>;
 102                 };
 103                 button-back {
 104                         linux,code = <KEY_BACK>;
 105                         label = "BACK";
 106                         /* GPIO205 */
 107                         gpios = <&gpio6 13 GPIO_ACTIVE_LOW>;
 108                 };
 109         };
 110
 111         /*
 112          * FIXME: this is not quite GPIO backlight. This is a
 113          * KTD253 one-wire GPIO-controlled backlight. It can
 114          * work as a GPIO backlight.
 115          */
 116         gpio_bl: backlight {
 117                 compatible = "gpio-backlight";
 118                 /* GPIO 69 */
 119                 gpios = <&gpio2 5 GPIO_ACTIVE_HIGH>;
 120                 pinctrl-names = "default";
 121                 pinctrl-0 = <&gpio_backlight_default_mode>;
 122         };
 123
 124         i2c-gpio-0 {
 125                 compatible = "i2c-gpio";
 126                 sda-gpios = <&gpio4 16 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 127                 scl-gpios = <&gpio4 15 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 128                 pinctrl-names = "default";
 129                 pinctrl-0 = <&i2c_gpio_0_default>;
 130                 #address-cells = <1>;
 131                 #size-cells = <0>;
 132                 /* TODO: this should be used by the NCP6914 Camera power management unit */
 133         };
 134
 135         i2c-gpio-1 {
 136                 compatible = "i2c-gpio";
 137                 sda-gpios = <&gpio4 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 138                 scl-gpios = <&gpio4 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 139                 pinctrl-names = "default";
 140                 pinctrl-0 = <&i2c_gpio_1_default>;
 141                 #address-cells = <1>;
 142                 #size-cells = <0>;
 143                 magnetometer@c {
 144                         compatible = "alps,hscdtd008a";
 145                         reg = <0x0c>;
 146                         avdd-supply = <&ab8500_ldo_aux1_reg>;
 147                         dvdd-supply = <&ab8500_ldo_aux8_reg>;
 148                 };
 149         };
 150
 151         soc {
 152                 // External Micro SD slot
 153                 sdi0_per1@80126000 {
 154                         arm,primecell-periphid = <0x10480180>;
 155                         max-frequency = <100000000>;
 156                         bus-width = <4>;
 157                         cap-sd-highspeed;
 158                         cap-mmc-highspeed;
 159                         /* All direction control is used */
 160                         st,sig-dir-cmd;
 161                         st,sig-dir-dat0;
 162                         st,sig-dir-dat2;
 163                         st,sig-dir-dat31;
 164                         st,sig-pin-fbclk;
 165                         full-pwr-cycle;
 166                         vmmc-supply = <&ab8500_ldo_aux3_reg>;
 167                         vqmmc-supply = <&sd_level_translator>;
 168                         pinctrl-names = "default", "sleep";
 169                         pinctrl-0 = <&mc0_a_1_default>;
 170                         pinctrl-1 = <&mc0_a_1_sleep>;
 171                         status = "okay";
 172                 };
 173
 174                 // WLAN SDIO channel
 175                 sdi1_per2@80118000 {
 176                         arm,primecell-periphid = <0x10480180>;
 177                         max-frequency = <50000000>;
 178                         bus-width = <4>;
 179                         non-removable;
 180                         cap-sd-highspeed;
 181                         vmmc-supply = <&wlan_en>;
 182                         pinctrl-names = "default", "sleep";
 183                         pinctrl-0 = <&mc1_a_2_default>;
 184                         pinctrl-1 = <&mc1_a_2_sleep>;
 185                         status = "okay";
 186                         #address-cells = <1>;
 187                         #size-cells = <0>;
 188
 189                         wifi@1 {
 190                                 compatible = "brcm,bcm4329-fmac";
 191                                 reg = <1>;
 192                                 /* GPIO216 WL_HOST_WAKE */
 193                                 interrupt-parent = <&gpio6>;
 194                                 interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
 195                                 interrupt-names = "host-wake";
 196                                 pinctrl-names = "default";
 197                                 pinctrl-0 = <&wlan_default_mode>;
 198                         };
 199                 };
 200
 201                 // eMMC
 202                 sdi2_per3@80005000 {
 203                         arm,primecell-periphid = <0x10480180>;
 204                         max-frequency = <100000000>;
 205                         bus-width = <8>;
 206                         non-removable;
 207                         cap-mmc-highspeed;
 208                         mmc-ddr-1_8v;
 209                         vmmc-supply = <&ldo_3v3_reg>;
 210                         pinctrl-names = "default", "sleep";
 211                         pinctrl-0 = <&mc2_a_1_default>;
 212                         pinctrl-1 = <&mc2_a_1_sleep>;
 213
 214                         status = "okay";
 215                 };
 216
 217                 /* GBF (Bluetooth) UART */
 218                 uart@80120000 {
 219                         pinctrl-names = "default", "sleep";
 220                         pinctrl-0 = <&u0_a_1_default>;
 221                         pinctrl-1 = <&u0_a_1_sleep>;
 222                         status = "okay";
 223
 224                         /* FIXME: not quite working yet, probably needs regulators */
 225                         bluetooth {
 226                                 compatible = "brcm,bcm4330-bt";
 227                                 shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
 228                                 device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
 229                                 host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
 230                                 pinctrl-names = "default";
 231                                 pinctrl-0 = <&bluetooth_default_mode>;
 232                         };
 233                 };
 234
 235                 /* GPF UART */
 236                 uart@80121000 {
 237                         status = "okay";
 238                         pinctrl-names = "default", "sleep";
 239                         pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
 240                         pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
 241                 };
 242
 243                 /* Debugging console UART connected to AB8505 USB */
 244                 uart@80007000 {
 245                         status = "okay";
 246                         pinctrl-names = "default", "sleep";
 247                         pinctrl-0 = <&u2rxtx_c_1_default>;
 248                         pinctrl-1 = <&u2rxtx_c_1_sleep>;
 249                 };
 250
 251                 prcmu@80157000 {
 252                         ab8505 {
 253                                 ab8500_usb {
 254                                         pinctrl-names = "default", "sleep";
 255                                         pinctrl-0 = <&usb_a_1_default>;
 256                                         pinctrl-1 = <&usb_a_1_sleep>;
 257                                 };
 258
 259                                 ab8505-regulators {
 260                                         ab8500_ldo_aux1 {
 261                                                 /* Used for VDD for sensors */
 262                                                 regulator-name = "AUX1";
 263                                                 regulator-min-microvolt = <3000000>;
 264                                                 regulator-max-microvolt = <3300000>;
 265                                         };
 266
 267                                         ab8500_ldo_aux2 {
 268                                                 /* Supplies the Cypress TMA140 touchscreen only with 3.3V */
 269                                                 regulator-name = "AUX2";
 270                                                 regulator-min-microvolt = <3300000>;
 271                                                 regulator-max-microvolt = <3300000>;
 272                                         };
 273
 274                                         ab8500_ldo_aux3 {
 275                                                 /* Used for voltage for external MMC/SD card */
 276                                                 regulator-name = "AUX3";
 277                                                 regulator-min-microvolt = <1100000>;
 278                                                 regulator-max-microvolt = <3300000>;
 279                                         };
 280
 281                                         ab8500_ldo_aux4 {
 282                                                 regulator-name = "AUX4";
 283                                                 /* Hammer to 3.0V for the display */
 284                                                 regulator-min-microvolt = <3000000>;
 285                                                 regulator-max-microvolt = <3000000>;
 286                                         };
 287
 288                                         ab8500_ldo_aux5 {
 289                                                 regulator-name = "AUX5";
 290                                                 regulator-min-microvolt = <1050000>;
 291                                                 regulator-max-microvolt = <2790000>;
 292                                                 regulator-always-on;
 293                                         };
 294
 295                                         ab8500_ldo_aux6 {
 296                                                 regulator-name = "AUX6";
 297                                                 /* Hammer to 1.8V for the display */
 298                                                 regulator-min-microvolt = <1800000>;
 299                                                 regulator-max-microvolt = <1800000>;
 300                                         };
 301
 302                                         ab8500_ldo_aux8 {
 303                                                 /* Mostly VIO for sensors */
 304                                                 regulator-name = "AUX8";
 305                                         };
 306                                 };
 307                         };
 308                 };
 309
 310                 /* I2C0 */
 311                 i2c@80004000 {
 312                         status = "okay";
 313
 314                         pinctrl-names = "default", "sleep";
 315                         pinctrl-0 = <&i2c0_a_1_default>;
 316                         pinctrl-1 = <&i2c0_a_1_sleep>;
 317
 318                         proximity@44 {
 319                                 compatible = "sharp,gp2ap002s00f";
 320                                 clock-frequency = <400000>;
 321                                 reg = <0x44>;
 322
 323                                 interrupt-parent = <&gpio4>;
 324                                 interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
 325                                 vdd-supply = <&ab8500_ldo_aux1_reg>;
 326                                 vio-supply = <&ab8500_ldo_aux8_reg>;
 327                                 pinctrl-names = "default";
 328                                 pinctrl-0 = <&gp2ap002_skomer_default>;
 329                                 sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
 330                                 sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
 331                         };
 332                 };
 333
 334
 335                 /* I2C2 */
 336                 i2c@80128000 {
 337                         status = "okay";
 338
 339                         pinctrl-names = "default", "sleep";
 340                         pinctrl-0 = <&i2c2_b_2_default>;
 341                         pinctrl-1 = <&i2c2_b_2_sleep>;
 342
 343                         accel@18 {
 344                                 compatible = "bosch,bma254";
 345                                 clock-frequency = <400000>;
 346                                 reg = <0x18>;
 347
 348                                 /* GPIO224 used as "smart alert" interrupt */
 349                                 interrupt-parent = <&gpio7>;
 350                                 interrupts = <0 IRQ_TYPE_EDGE_RISING>;
 351
 352                                 mount-matrix = "0", "1", "0",
 353                                                "-1", "0", "0",
 354                                                "0", "0", "1";
 355                                 vdd-supply = <&ab8500_ldo_aux1_reg>;
 356                                 vddio-supply = <&ab8500_ldo_aux8_reg>;
 357                                 pinctrl-names = "default";
 358                                 pinctrl-0 = <&bma254_skomer_default>;
 359                         };
 360                 };
 361
 362                 /* I2C3 */
 363                 i2c@80110000 {
 364                         status = "okay";
 365
 366                         pinctrl-names = "default", "sleep";
 367                         pinctrl-0 = <&i2c3_c_2_default>;
 368                         pinctrl-1 = <&i2c3_c_2_sleep>;
 369
 370                         /* Cypress CY8CTMA140 touchscreen */
 371                         touchscreen@20 {
 372                                 compatible = "cypress,cy8ctma140";
 373                                 clock-frequency = <400000>;
 374                                 reg = <0x20>;
 375
 376                                 touchscreen-size-x = <480>;
 377                                 touchscreen-size-y = <800>;
 378                                 touchscreen-max-pressure = <255>;
 379
 380                                 /* GPIO218 for IRQ */
 381                                 interrupt-parent = <&gpio6>;
 382                                 interrupts = <26 IRQ_TYPE_EDGE_FALLING>;
 383
 384                                 /* VDD is "digital supply" nominally 1.71-3.6V */
 385                                 vdd-supply = <&ab8500_ldo_aux2_reg>;
 386                                 /* VCPIN is "analog supply", 2.7-3.6 V */
 387                                 vcpin-supply = <&ab8500_ldo_aux2_reg>;
 388
 389                                 pinctrl-names = "default";
 390                                 pinctrl-0 = <&tma140_skomer_default>;
 391                         };
 392                 };
 393
 394                 mcde@a0350000 {
 395                         status = "okay";
 396                         pinctrl-names = "default";
 397                         pinctrl-0 = <&dsi_default_mode>;
 398
 399                         dsi-controller@a0351000 {
 400                                 panel {
 401                                         /* NT35510-based Hydis HVA40WV1 */
 402                                         compatible = "hydis,hva40wv1", "novatek,nt35510";
 403                                         reg = <0>;
 404                                         /* v_lcd_3v0 2.3-4.8V */
 405                                         vdd-supply = <&ab8500_ldo_aux4_reg>;
 406                                         /* v_lcd_1v8 1.65-3.3V */
 407                                         vddi-supply = <&ab8500_ldo_aux6_reg>;
 408                                         /* GPIO 139 */
 409                                         reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
 410                                         pinctrl-names = "default";
 411                                         pinctrl-0 = <&display_default_mode>;
 412                                         backlight = <&gpio_bl>;
 413                                 };
 414                         };
 415                 };
 416         };
 417 };
 418
 419 &pinctrl {
 420         /*
 421          * This extends the MC0 default config to include DAT32DIR
 422          * which is used by this machine. If we don't do this the
 423          * SD card does not work.
 424          */
 425         sdi0 {
 426                 mc0_a_1_default {
 427                         default_mux {
 428                                 function = "mc0";
 429                                 /* This machine uses the DAT31 pin */
 430                                 groups = "mc0_a_1", "mc0dat31dir_a_1";
 431                         };
 432                         default_cfg5 {
 433                                 pins = "GPIO21_AB3"; /* DAT31DIR */
 434                                 ste,config = <&out_hi>;
 435                         };
 436                 };
 437         };
 438
 439         mcde {
 440                 dsi_default_mode: dsi_default {
 441                         default_mux1 {
 442                                 /* Mux in VSI0 used for DSI TE */
 443                                 function = "lcd";
 444                                 groups = "lcdvsi0_a_1"; /* VSI0 for LCD */
 445                         };
 446                         default_cfg1 {
 447                                 pins = "GPIO68_E1"; /* VSI0 */
 448                                 ste,config = <&in_nopull>;
 449                         };
 450                 };
 451         };
 452
 453         /* Two GPIO lines used by the display */
 454         display {
 455                 display_default_mode: display_default {
 456                         skomer_cfg1 {
 457                                 /*
 458                                  * OLED DETECT or check_pba, this appears to be high
 459                                  * on "PBA" which I guess is "prototype board A".
 460                                  */
 461                                 pins = "GPIO93_B7";
 462                                 ste,config = <&gpio_in_nopull>;
 463                         };
 464                         skomer_cfg2 {
 465                                 pins = "GPIO139_C9";
 466                                 /*
 467                                  * MIPI_DSI0_RESET_N resets the display, leave high
 468                                  * (de-asserted) so we only assert reset explicitly
 469                                  * from the display driver.
 470                                  */
 471                                 ste,config = <&gpio_out_hi>;
 472                         };
 473                 };
 474         };
 475         backlight {
 476                 gpio_backlight_default_mode: backlight_default {
 477                         skomer_cfg1 {
 478                                 pins = "GPIO69_E2"; /* LCD_BL_CTRL */
 479                                 ste,config = <&gpio_out_lo>;
 480                         };
 481                 };
 482         };
 483         /* GPIO that enables the 2.9V SD card level translator */
 484         sd-level-translator {
 485                 sd_level_translator_default: sd_level_translator_default {
 486                         /* level shifter on GPIO87 */
 487                         skomer_cfg1 {
 488                                 pins = "GPIO87_B3";
 489                                 ste,config = <&gpio_out_hi>;
 490                         };
 491                 };
 492         };
 493         /* GPIO that enables the LDO regulator for the eMMC */
 494         emmc-ldo {
 495                 emmc_ldo_en_default_mode: emmc_ldo_default {
 496                         /* LDO enable on GPIO223 */
 497                         skomer_cfg1 {
 498                                 pins = "GPIO223_AH9";
 499                                 ste,config = <&gpio_out_hi>;
 500                         };
 501                 };
 502         };
 503         /* GPIO keys */
 504         gpio-keys {
 505                 gpio_keys_default_mode: gpio_keys_default {
 506                         skomer_cfg1 {
 507                                 pins = "GPIO67_G2", /* VOL UP */
 508                                        "GPIO91_B6", /* HOME */
 509                                        "GPIO92_D6", /* VOL DOWN */
 510                                        "GPIO204_AF23", /* MENU */
 511                                        "GPIO205_AG23"; /* BACK */
 512                                         ste,config = <&gpio_in_pu>;
 513                         };
 514                 };
 515         };
 516         /* Interrupt line for BMA254 */
 517         bma254 {
 518                 bma254_skomer_default: bma254_skomer {
 519                         skomer_cfg1 {
 520                                 pins = "GPIO224_AG9";
 521                                 ste,config = <&gpio_in_pd>;
 522                         };
 523                 };
 524         };
 525         /* Interrupt line for light/proximity sensor GP2AP002 */
 526         gp2ap002 {
 527                 gp2ap002_skomer_default: gp2ap002_skomer {
 528                         skomer_cfg1 {
 529                                 pins = "GPIO146_D13";
 530                                 ste,config = <&gpio_in_nopull>;
 531                         };
 532                 };
 533         };
 534         /* GPIO-based I2C bus for NCP6914 */
 535         i2c-gpio-0 {
 536                 i2c_gpio_0_default: i2c_gpio_0 {
 537                         skomer_cfg1 {
 538                                 pins = "GPIO143_D12", "GPIO144_B13";
 539                                 ste,config = <&gpio_in_nopull>;
 540                         };
 541                 };
 542         };
 543         /* GPIO-based I2C bus for ALPS HSCD compass */
 544         i2c-gpio-1 {
 545                 i2c_gpio_1_default: i2c_gpio_1 {
 546                         skomer_cfg1 {
 547                                 pins = "GPIO151_B17", "GPIO152_D16";
 548                                 ste,config = <&gpio_in_nopull>;
 549                         };
 550                 };
 551         };
 552         wlan {
 553                 wlan_default_mode: wlan_default {
 554                         skomer_cfg1 {
 555                                 pins = "GPIO216_AG12";
 556                                 ste,config = <&gpio_in_pd>;
 557                         };
 558                 };
 559                 wlan_en_default_mode: wlan_en_default {
 560                         skomer_cfg2 {
 561                                 pins = "GPIO215_AH13";
 562                                 ste,config = <&gpio_out_lo>;
 563                         };
 564                 };
 565         };
 566         bluetooth {
 567                 bluetooth_default_mode: bluetooth_default {
 568                         skomer_cfg1 {
 569                                 pins = "GPIO199_AH23", "GPIO222_AJ9";
 570                                 ste,config = <&gpio_out_lo>;
 571                         };
 572                         skomer_cfg2 {
 573                                 pins = "GPIO97_D9";
 574                                 ste,config = <&gpio_in_nopull>;
 575                         };
 576                 };
 577         };
 578         vibrator {
 579                 vibrator_default: vibrator_default {
 580                         skomer_cfg1 {
 581                                 pins = "GPIO195_AG28";  /* MOT_EN */
 582                                 ste,config = <&gpio_out_lo>;
 583                         };
 584                 };
 585         };
 586         /* Interrupt line for the Cypress TMA140 touchscreen */
 587         touchscreen {
 588                 tma140_skomer_default: tma140_skomer {
 589                         skomer_cfg1 {
 590                                 pins = "GPIO218_AH11";
 591                                 ste,config = <&gpio_in_nopull>;
 592                         };
 593                 };
 594         };
 595 };
 596
 597 &ab8505_gpio {
 598         /* Hog a few default settings */
 599         pinctrl-names = "default";
 600         pinctrl-0 = <&gpio_default>;
 601
 602         gpio {
 603                 gpio_default: gpio_default {
 604                         skomer_mux {
 605                                 /* Change unused pins to GPIO mode */
 606                                 function = "gpio";
 607                                 groups = "gpio3_a_1",   /* default: SysClkReq4 */
 608                                          "gpio14_a_1";  /* default: PWMOut1 */
 609                         };
 610                         skomer_cfg1 {
 611                                 pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
 612                                 bias-disable;
 613                         };
 614                 };
 615         };
 616 };