arch/arm/boot/dts/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                 /* TODO: this should be used by the ALPS HSCDTD008A compass sensor */
 144         };
 145
 146         soc {
 147                 // External Micro SD slot
 148                 sdi0_per1@80126000 {
 149                         arm,primecell-periphid = <0x10480180>;
 150                         max-frequency = <100000000>;
 151                         bus-width = <4>;
 152                         cap-sd-highspeed;
 153                         cap-mmc-highspeed;
 154                         /* All direction control is used */
 155                         st,sig-dir-cmd;
 156                         st,sig-dir-dat0;
 157                         st,sig-dir-dat2;
 158                         st,sig-dir-dat31;
 159                         st,sig-pin-fbclk;
 160                         full-pwr-cycle;
 161                         vmmc-supply = <&ab8500_ldo_aux3_reg>;
 162                         vqmmc-supply = <&sd_level_translator>;
 163                         pinctrl-names = "default", "sleep";
 164                         pinctrl-0 = <&mc0_a_1_default>;
 165                         pinctrl-1 = <&mc0_a_1_sleep>;
 166                         status = "okay";
 167                 };
 168
 169                 // WLAN SDIO channel
 170                 sdi1_per2@80118000 {
 171                         arm,primecell-periphid = <0x10480180>;
 172                         max-frequency = <50000000>;
 173                         bus-width = <4>;
 174                         non-removable;
 175                         cap-sd-highspeed;
 176                         vmmc-supply = <&wlan_en>;
 177                         pinctrl-names = "default", "sleep";
 178                         pinctrl-0 = <&mc1_a_2_default>;
 179                         pinctrl-1 = <&mc1_a_2_sleep>;
 180                         status = "okay";
 181                         #address-cells = <1>;
 182                         #size-cells = <0>;
 183
 184                         wifi@1 {
 185                                 compatible = "brcm,bcm4329-fmac";
 186                                 reg = <1>;
 187                                 /* GPIO216 WL_HOST_WAKE */
 188                                 interrupt-parent = <&gpio6>;
 189                                 interrupts = <24 IRQ_TYPE_EDGE_FALLING>;
 190                                 interrupt-names = "host-wake";
 191                                 pinctrl-names = "default";
 192                                 pinctrl-0 = <&wlan_default_mode>;
 193                         };
 194                 };
 195
 196                 // eMMC
 197                 sdi2_per3@80005000 {
 198                         arm,primecell-periphid = <0x10480180>;
 199                         max-frequency = <100000000>;
 200                         bus-width = <8>;
 201                         non-removable;
 202                         cap-mmc-highspeed;
 203                         mmc-ddr-1_8v;
 204                         vmmc-supply = <&ldo_3v3_reg>;
 205                         pinctrl-names = "default", "sleep";
 206                         pinctrl-0 = <&mc2_a_1_default>;
 207                         pinctrl-1 = <&mc2_a_1_sleep>;
 208
 209                         status = "okay";
 210                 };
 211
 212                 /* GBF (Bluetooth) UART */
 213                 uart@80120000 {
 214                         pinctrl-names = "default", "sleep";
 215                         pinctrl-0 = <&u0_a_1_default>;
 216                         pinctrl-1 = <&u0_a_1_sleep>;
 217                         status = "okay";
 218
 219                         /* FIXME: not quite working yet, probably needs regulators */
 220                         bluetooth {
 221                                 compatible = "brcm,bcm4330-bt";
 222                                 shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>;
 223                                 device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
 224                                 host-wakeup-gpios = <&gpio3 1 GPIO_ACTIVE_HIGH>;
 225                                 pinctrl-names = "default";
 226                                 pinctrl-0 = <&bluetooth_default_mode>;
 227                         };
 228                 };
 229
 230                 /* GPF UART */
 231                 uart@80121000 {
 232                         status = "okay";
 233                         pinctrl-names = "default", "sleep";
 234                         pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
 235                         pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
 236                 };
 237
 238                 /* Debugging console UART connected to AB8505 USB */
 239                 uart@80007000 {
 240                         status = "okay";
 241                         pinctrl-names = "default", "sleep";
 242                         pinctrl-0 = <&u2rxtx_c_1_default>;
 243                         pinctrl-1 = <&u2rxtx_c_1_sleep>;
 244                 };
 245
 246                 prcmu@80157000 {
 247                         ab8505 {
 248                                 ab8500_usb {
 249                                         pinctrl-names = "default", "sleep";
 250                                         pinctrl-0 = <&usb_a_1_default>;
 251                                         pinctrl-1 = <&usb_a_1_sleep>;
 252                                 };
 253
 254                                 ab8505-regulators {
 255                                         ab8500_ldo_aux1 {
 256                                                 /* Used for VDD for sensors */
 257                                                 regulator-name = "AUX1";
 258                                                 regulator-min-microvolt = <3000000>;
 259                                                 regulator-max-microvolt = <3300000>;
 260                                         };
 261
 262                                         ab8500_ldo_aux2 {
 263                                                 /* Supplies the Cypress TMA140 touchscreen only with 3.3V */
 264                                                 regulator-name = "AUX2";
 265                                                 regulator-min-microvolt = <3300000>;
 266                                                 regulator-max-microvolt = <3300000>;
 267                                         };
 268
 269                                         ab8500_ldo_aux3 {
 270                                                 /* Used for voltage for external MMC/SD card */
 271                                                 regulator-name = "AUX3";
 272                                                 regulator-min-microvolt = <1100000>;
 273                                                 regulator-max-microvolt = <3300000>;
 274                                         };
 275
 276                                         ab8500_ldo_aux4 {
 277                                                 regulator-name = "AUX4";
 278                                                 /* Hammer to 3.0V for the display */
 279                                                 regulator-min-microvolt = <3000000>;
 280                                                 regulator-max-microvolt = <3000000>;
 281                                         };
 282
 283                                         ab8500_ldo_aux5 {
 284                                                 regulator-name = "AUX5";
 285                                                 regulator-min-microvolt = <1050000>;
 286                                                 regulator-max-microvolt = <2790000>;
 287                                                 regulator-always-on;
 288                                         };
 289
 290                                         ab8500_ldo_aux6 {
 291                                                 regulator-name = "AUX6";
 292                                                 /* Hammer to 1.8V for the display */
 293                                                 regulator-min-microvolt = <1800000>;
 294                                                 regulator-max-microvolt = <1800000>;
 295                                         };
 296
 297                                         ab8500_ldo_aux8 {
 298                                                 /* Mostly VIO for sensors */
 299                                                 regulator-name = "AUX8";
 300                                         };
 301                                 };
 302                         };
 303                 };
 304
 305                 /* I2C0 */
 306                 i2c@80004000 {
 307                         status = "okay";
 308
 309                         pinctrl-names = "default", "sleep";
 310                         pinctrl-0 = <&i2c0_a_1_default>;
 311                         pinctrl-1 = <&i2c0_a_1_sleep>;
 312
 313                         proximity@44 {
 314                                 compatible = "sharp,gp2ap002s00f";
 315                                 clock-frequency = <400000>;
 316                                 reg = <0x44>;
 317
 318                                 interrupt-parent = <&gpio4>;
 319                                 interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
 320                                 vdd-supply = <&ab8500_ldo_aux1_reg>;
 321                                 vio-supply = <&ab8500_ldo_aux8_reg>;
 322                                 pinctrl-names = "default";
 323                                 pinctrl-0 = <&gp2ap002_skomer_default>;
 324                                 sharp,proximity-far-hysteresis = /bits/ 8 <0x2f>;
 325                                 sharp,proximity-close-hysteresis = /bits/ 8 <0x0f>;
 326                         };
 327                 };
 328
 329
 330                 /* I2C2 */
 331                 i2c@80128000 {
 332                         status = "okay";
 333
 334                         pinctrl-names = "default", "sleep";
 335                         pinctrl-0 = <&i2c2_b_2_default>;
 336                         pinctrl-1 = <&i2c2_b_2_sleep>;
 337
 338                         accel@18 {
 339                                 compatible = "bosch,bma254";
 340                                 clock-frequency = <400000>;
 341                                 reg = <0x18>;
 342
 343                                 /* GPIO224 used as "smart alert" interrupt */
 344                                 interrupt-parent = <&gpio7>;
 345                                 interrupts = <0 IRQ_TYPE_EDGE_RISING>;
 346
 347                                 mount-matrix = "0", "1", "0",
 348                                                "-1", "0", "0",
 349                                                "0", "0", "1";
 350                                 vdd-supply = <&ab8500_ldo_aux1_reg>;
 351                                 vddio-supply = <&ab8500_ldo_aux8_reg>;
 352                                 pinctrl-names = "default";
 353                                 pinctrl-0 = <&bma254_skomer_default>;
 354                         };
 355                 };
 356
 357                 /* I2C3 */
 358                 i2c@80110000 {
 359                         status = "okay";
 360
 361                         pinctrl-names = "default", "sleep";
 362                         pinctrl-0 = <&i2c3_c_2_default>;
 363                         pinctrl-1 = <&i2c3_c_2_sleep>;
 364
 365                         /* TODO: this should be used by the Cypress TMA140 touchscreen */
 366                 };
 367
 368                 mcde@a0350000 {
 369                         status = "okay";
 370                         pinctrl-names = "default";
 371                         pinctrl-0 = <&dsi_default_mode>;
 372
 373                         dsi-controller@a0351000 {
 374                                 panel {
 375                                         /* NT35510-based Hydis HVA40WV1 */
 376                                         compatible = "hydis,hva40wv1", "novatek,nt35510";
 377                                         reg = <0>;
 378                                         /* v_lcd_3v0 2.3-4.8V */
 379                                         vdd-supply = <&ab8500_ldo_aux4_reg>;
 380                                         /* v_lcd_1v8 1.65-3.3V */
 381                                         vddi-supply = <&ab8500_ldo_aux6_reg>;
 382                                         /* GPIO 139 */
 383                                         reset-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
 384                                         pinctrl-names = "default";
 385                                         pinctrl-0 = <&display_default_mode>;
 386                                         backlight = <&gpio_bl>;
 387                                 };
 388                         };
 389                 };
 390         };
 391 };
 392
 393 &pinctrl {
 394         /*
 395          * This extends the MC0 default config to include DAT32DIR
 396          * which is used by this machine. If we don't do this the
 397          * SD card does not work.
 398          */
 399         sdi0 {
 400                 mc0_a_1_default {
 401                         default_mux {
 402                                 function = "mc0";
 403                                 /* This machine uses the DAT31 pin */
 404                                 groups = "mc0_a_1", "mc0dat31dir_a_1";
 405                         };
 406                         default_cfg5 {
 407                                 pins = "GPIO21_AB3"; /* DAT31DIR */
 408                                 ste,config = <&out_hi>;
 409                         };
 410                 };
 411         };
 412
 413         mcde {
 414                 dsi_default_mode: dsi_default {
 415                         default_mux1 {
 416                                 /* Mux in VSI0 used for DSI TE */
 417                                 function = "lcd";
 418                                 groups = "lcdvsi0_a_1"; /* VSI0 for LCD */
 419                         };
 420                         default_cfg1 {
 421                                 pins = "GPIO68_E1"; /* VSI0 */
 422                                 ste,config = <&in_nopull>;
 423                         };
 424                 };
 425         };
 426
 427         /* Two GPIO lines used by the display */
 428         display {
 429                 display_default_mode: display_default {
 430                         skomer_cfg1 {
 431                                 /*
 432                                  * OLED DETECT or check_pba, this appears to be high
 433                                  * on "PBA" which I guess is "prototype board A".
 434                                  */
 435                                 pins = "GPIO93_B7";
 436                                 ste,config = <&gpio_in_nopull>;
 437                         };
 438                         skomer_cfg2 {
 439                                 pins = "GPIO139_C9";
 440                                 /*
 441                                  * MIPI_DSI0_RESET_N resets the display, leave high
 442                                  * (de-asserted) so we only assert reset explicitly
 443                                  * from the display driver.
 444                                  */
 445                                 ste,config = <&gpio_out_hi>;
 446                         };
 447                 };
 448         };
 449         backlight {
 450                 gpio_backlight_default_mode: backlight_default {
 451                         skomer_cfg1 {
 452                                 pins = "GPIO69_E2"; /* LCD_BL_CTRL */
 453                                 ste,config = <&gpio_out_lo>;
 454                         };
 455                 };
 456         };
 457         /* GPIO that enables the 2.9V SD card level translator */
 458         sd-level-translator {
 459                 sd_level_translator_default: sd_level_translator_default {
 460                         /* level shifter on GPIO87 */
 461                         skomer_cfg1 {
 462                                 pins = "GPIO87_B3";
 463                                 ste,config = <&gpio_out_hi>;
 464                         };
 465                 };
 466         };
 467         /* GPIO that enables the LDO regulator for the eMMC */
 468         emmc-ldo {
 469                 emmc_ldo_en_default_mode: emmc_ldo_default {
 470                         /* LDO enable on GPIO223 */
 471                         skomer_cfg1 {
 472                                 pins = "GPIO223_AH9";
 473                                 ste,config = <&gpio_out_hi>;
 474                         };
 475                 };
 476         };
 477         /* GPIO keys */
 478         gpio-keys {
 479                 gpio_keys_default_mode: gpio_keys_default {
 480                         skomer_cfg1 {
 481                                 pins = "GPIO67_G2", /* VOL UP */
 482                                        "GPIO91_B6", /* HOME */
 483                                        "GPIO92_D6", /* VOL DOWN */
 484                                        "GPIO204_AF23", /* MENU */
 485                                        "GPIO205_AG23"; /* BACK */
 486                                         ste,config = <&gpio_in_pu>;
 487                         };
 488                 };
 489         };
 490         /* Interrupt line for BMA254 */
 491         bma254 {
 492                 bma254_skomer_default: bma254_skomer {
 493                         skomer_cfg1 {
 494                                 pins = "GPIO224_AG9";
 495                                 ste,config = <&gpio_in_pd>;
 496                         };
 497                 };
 498         };
 499         /* Interrupt line for light/proximity sensor GP2AP002 */
 500         gp2ap002 {
 501                 gp2ap002_skomer_default: gp2ap002_skomer {
 502                         skomer_cfg1 {
 503                                 pins = "GPIO146_D13";
 504                                 ste,config = <&gpio_in_nopull>;
 505                         };
 506                 };
 507         };
 508         /* GPIO-based I2C bus for NCP6914 */
 509         i2c-gpio-0 {
 510                 i2c_gpio_0_default: i2c_gpio_0 {
 511                         skomer_cfg1 {
 512                                 pins = "GPIO143_D12", "GPIO144_B13";
 513                                 ste,config = <&gpio_in_nopull>;
 514                         };
 515                 };
 516         };
 517         /* GPIO-based I2C bus for ALPS HSCD compass */
 518         i2c-gpio-1 {
 519                 i2c_gpio_1_default: i2c_gpio_1 {
 520                         skomer_cfg1 {
 521                                 pins = "GPIO151_B17", "GPIO152_D16";
 522                                 ste,config = <&gpio_in_nopull>;
 523                         };
 524                 };
 525         };
 526         wlan {
 527                 wlan_default_mode: wlan_default {
 528                         skomer_cfg1 {
 529                                 pins = "GPIO216_AG12";
 530                                 ste,config = <&gpio_in_pd>;
 531                         };
 532                 };
 533                 wlan_en_default_mode: wlan_en_default {
 534                         skomer_cfg2 {
 535                                 pins = "GPIO215_AH13";
 536                                 ste,config = <&gpio_out_lo>;
 537                         };
 538                 };
 539         };
 540         bluetooth {
 541                 bluetooth_default_mode: bluetooth_default {
 542                         skomer_cfg1 {
 543                                 pins = "GPIO199_AH23", "GPIO222_AJ9";
 544                                 ste,config = <&gpio_out_lo>;
 545                         };
 546                         skomer_cfg2 {
 547                                 pins = "GPIO97_D9";
 548                                 ste,config = <&gpio_in_nopull>;
 549                         };
 550                 };
 551         };
 552         vibrator {
 553                 vibrator_default: vibrator_default {
 554                         skomer_cfg1 {
 555                                 pins = "GPIO195_AG28";  /* MOT_EN */
 556                                 ste,config = <&gpio_out_lo>;
 557                         };
 558                 };
 559         };
 560 };
 561
 562 &ab8505_gpio {
 563         /* Hog a few default settings */
 564         pinctrl-names = "default";
 565         pinctrl-0 = <&gpio_default>;
 566
 567         gpio {
 568                 gpio_default: gpio_default {
 569                         skomer_mux {
 570                                 /* Change unused pins to GPIO mode */
 571                                 function = "gpio";
 572                                 groups = "gpio3_a_1",   /* default: SysClkReq4 */
 573                                          "gpio14_a_1";  /* default: PWMOut1 */
 574                         };
 575                         skomer_cfg1 {
 576                                 pins = "GPIO11_B17", "GPIO13_D17", "GPIO50_L4";
 577                                 bias-disable;
 578                         };
 579                 };
 580         };
 581 };