arch/arm/boot/dts/lpc4350-hitex-eval.dts

   1 /*
   2  * Hitex LPC4350 Evaluation Board
   3  *
   4  * Copyright 2015 Ariel D'Alessandro <ariel.dalessandro@gmail.com>
   5  *
   6  * This code is released using a dual license strategy: BSD/GPL
   7  * You can choose the licence that better fits your requirements.
   8  *
   9  * Released under the terms of 3-clause BSD License
  10  * Released under the terms of GNU General Public License Version 2.0
  11  *
  12  */
  13 /dts-v1/;
  14
  15 #include "lpc18xx.dtsi"
  16 #include "lpc4350.dtsi"
  17
  18 #include "dt-bindings/input/input.h"
  19 #include "dt-bindings/gpio/gpio.h"
  20
  21 / {
  22         model = "Hitex LPC4350 Evaluation Board";
  23         compatible = "hitex,lpc4350-eval-board", "nxp,lpc4350";
  24
  25         aliases {
  26                 serial0 = &uart0;
  27                 serial1 = &uart1;
  28                 serial2 = &uart2;
  29                 serial3 = &uart3;
  30         };
  31
  32         chosen {
  33                 stdout-path = &uart0;
  34         };
  35
  36         memory@28000000 {
  37                 device_type = "memory";
  38                 reg = <0x28000000 0x800000>; /* 8 MB */
  39         };
  40
  41         pca_buttons {
  42                 compatible = "gpio-keys-polled";
  43                 poll-interval = <100>;
  44                 autorepeat;
  45
  46                 button0 {
  47                         label = "joy:right";
  48                         linux,code = <KEY_RIGHT>;
  49                         gpios = <&pca_gpio 8 GPIO_ACTIVE_LOW>;
  50                 };
  51
  52                 button1 {
  53                         label = "joy:up";
  54                         linux,code = <KEY_UP>;
  55                         gpios = <&pca_gpio 9 GPIO_ACTIVE_LOW>;
  56                 };
  57
  58
  59                 button2 {
  60                         label = "joy:enter";
  61                         linux,code = <KEY_ENTER>;
  62                         gpios = <&pca_gpio 10 GPIO_ACTIVE_LOW>;
  63                 };
  64
  65                 button3 {
  66                         label = "joy:left";
  67                         linux,code = <KEY_LEFT>;
  68                         gpios = <&pca_gpio 11 GPIO_ACTIVE_LOW>;
  69                 };
  70
  71                 button4 {
  72                         label = "joy:down";
  73                         linux,code = <KEY_DOWN>;
  74                         gpios = <&pca_gpio 12 GPIO_ACTIVE_LOW>;
  75                 };
  76
  77                 button5 {
  78                         label = "user:sw3";
  79                         linux,code = <KEY_F1>;
  80                         gpios = <&pca_gpio 13 GPIO_ACTIVE_LOW>;
  81                 };
  82
  83                 button6 {
  84                         label = "user:sw4";
  85                         linux,code = <KEY_F2>;
  86                         gpios = <&pca_gpio 14 GPIO_ACTIVE_LOW>;
  87                 };
  88
  89                 button7 {
  90                         label = "user:sw5";
  91                         linux,code = <KEY_F3>;
  92                         gpios = <&pca_gpio 15 GPIO_ACTIVE_LOW>;
  93                 };
  94         };
  95
  96         pca_leds {
  97                 compatible = "gpio-leds";
  98
  99                 led0 {
 100                         label = "ext:led0";
 101                         gpios = <&pca_gpio 0 GPIO_ACTIVE_LOW>;
 102                         linux,default-trigger = "heartbeat";
 103                 };
 104
 105                 led1 {
 106                         label = "ext:led1";
 107                         gpios = <&pca_gpio 1 GPIO_ACTIVE_LOW>;
 108                 };
 109
 110                 led2 {
 111                         label = "ext:led2";
 112                         gpios = <&pca_gpio 2 GPIO_ACTIVE_LOW>;
 113                 };
 114
 115                 led3 {
 116                         label = "ext:led3";
 117                         gpios = <&pca_gpio 3 GPIO_ACTIVE_LOW>;
 118                 };
 119         };
 120
 121         vcc: vcc_fixed {
 122                 compatible = "regulator-fixed";
 123                 regulator-name = "3v3io";
 124                 regulator-min-microvolt = <3300000>;
 125                 regulator-max-microvolt = <3300000>;
 126         };
 127 };
 128
 129 &pinctrl {
 130         adc1_pins: adc1-pins {
 131                 adc1_pins_cfg {
 132                         pins = "pf_9";
 133                         function = "adc";
 134                         input-disable;
 135                         bias-disable;
 136                 };
 137         };
 138
 139         emc_pins: emc-pins {
 140                 emc_addr0_23_cfg {
 141                         pins =  "p2_9",  "p2_10", "p2_11", "p2_12",
 142                                 "p2_13", "p1_0",  "p1_1",  "p1_2",
 143                                 "p2_8",  "p2_7",  "p2_6",  "p2_2",
 144                                 "p2_1",  "p2_0",  "p6_8",  "p6_7",
 145                                 "pd_16", "pd_15", "pe_0",  "pe_1",
 146                                 "pe_2",  "pe_3",  "pe_4",  "pa_4";
 147                         function = "emc";
 148                         slew-rate = <1>;
 149                         bias-disable;
 150                         input-enable;
 151                         input-schmitt-disable;
 152                 };
 153
 154                 emc_data0_15_cfg {
 155                         pins =  "p1_7",  "p1_8",  "p1_9",  "p1_10",
 156                                 "p1_11", "p1_12", "p1_13", "p1_14",
 157                                 "p5_4",  "p5_5",  "p5_6",  "p5_7",
 158                                 "p5_0",  "p5_1",  "p5_2",  "p5_3";
 159                         function = "emc";
 160                         slew-rate = <1>;
 161                         bias-disable;
 162                         input-enable;
 163                         input-schmitt-disable;
 164                 };
 165
 166                 emc_we_oe_cfg {
 167                         pins = "p1_6", "p1_3";
 168                         function = "emc";
 169                         slew-rate = <1>;
 170                         bias-disable;
 171                         input-enable;
 172                         input-schmitt-disable;
 173                 };
 174
 175                 emc_bls0_3_cfg {
 176                         pins = "p1_4", "p6_6", "pd_13", "pd_10";
 177                         function = "emc";
 178                         slew-rate = <1>;
 179                         bias-disable;
 180                         input-enable;
 181                         input-schmitt-disable;
 182                 };
 183
 184                 emc_cs0_cs2_cfg {
 185                         pins = "p1_5", "pd_12";
 186                         function = "emc";
 187                         slew-rate = <1>;
 188                         bias-disable;
 189                         input-enable;
 190                         input-schmitt-disable;
 191                 };
 192
 193                 emc_sdram_dqm0_3_cfg {
 194                         pins = "p6_12", "p6_10", "pd_0", "pe_13";
 195                         function = "emc";
 196                         slew-rate = <1>;
 197                         bias-disable;
 198                         input-enable;
 199                         input-schmitt-disable;
 200                 };
 201
 202                 emc_sdram_ras_cas_cfg {
 203                         pins = "p6_5", "p6_4";
 204                         function = "emc";
 205                         slew-rate = <1>;
 206                         bias-disable;
 207                         input-enable;
 208                         input-schmitt-disable;
 209                 };
 210
 211                 emc_sdram_dycs0_cfg {
 212                         pins = "p6_9";
 213                         function = "emc";
 214                         slew-rate = <1>;
 215                         bias-disable;
 216                         input-enable;
 217                         input-schmitt-disable;
 218                 };
 219
 220                 emc_sdram_cke_cfg {
 221                         pins = "p6_11";
 222                         function = "emc";
 223                         slew-rate = <1>;
 224                         bias-disable;
 225                         input-enable;
 226                         input-schmitt-disable;
 227                 };
 228
 229                 emc_sdram_clock_cfg {
 230                         pins = "clk0", "clk1", "clk2", "clk3";
 231                         function = "emc";
 232                         slew-rate = <1>;
 233                         bias-disable;
 234                         input-enable;
 235                         input-schmitt-disable;
 236                 };
 237         };
 238
 239         enet_mii_pins: enet-mii-pins {
 240                 enet_mii_rxd0_3_cfg {
 241                         pins = "p1_15", "p0_0", "p9_3", "p9_2";
 242                         function = "enet";
 243                         bias-disable;
 244                         input-enable;
 245                 };
 246
 247                 enet_mii_txd0_3_cfg {
 248                         pins = "p1_18", "p1_20", "p9_4", "p9_5";
 249                         function = "enet";
 250                         bias-disable;
 251                 };
 252
 253                 enet_mii_crs_col_cfg {
 254                         pins = "p9_0", "p9_6";
 255                         function = "enet";
 256                         bias-disable;
 257                         input-enable;
 258                 };
 259
 260                 enet_mii_rx_clk_dv_er_cfg {
 261                         pins = "pc_0", "p1_16", "p9_1";
 262                         function = "enet";
 263                         bias-disable;
 264                         input-enable;
 265                 };
 266
 267                 enet_mii_tx_clk_en_cfg {
 268                         pins = "p1_19", "p0_1";
 269                         function = "enet";
 270                         bias-disable;
 271                         input-enable;
 272                 };
 273
 274                 enet_mdio_cfg {
 275                         pins = "p1_17";
 276                         function = "enet";
 277                         bias-disable;
 278                         input-enable;
 279                 };
 280
 281                 enet_mdc_cfg {
 282                         pins = "pc_1";
 283                         function = "enet";
 284                         bias-disable;
 285                 };
 286         };
 287
 288         i2c0_pins: i2c0-pins {
 289                 i2c0_pins_cfg {
 290                         pins = "i2c0_scl", "i2c0_sda";
 291                         function = "i2c0";
 292                         input-enable;
 293                 };
 294         };
 295
 296         spifi_pins: spifi-pins {
 297                 spifi_clk_cfg {
 298                         pins = "p3_3";
 299                         function = "spifi";
 300                         slew-rate = <1>;
 301                         bias-disable;
 302                         input-enable;
 303                         input-schmitt-disable;
 304                 };
 305
 306                 spifi_mosi_miso_sio2_3_cfg {
 307                         pins = "p3_7", "p3_6", "p3_5", "p3_4";
 308                         function = "spifi";
 309                         slew-rate = <1>;
 310                         bias-disable;
 311                         input-enable;
 312                         input-schmitt-disable;
 313                 };
 314
 315                 spifi_cs_cfg {
 316                         pins = "p3_8";
 317                         function = "spifi";
 318                         slew-rate = <1>;
 319                         bias-disable;
 320                         input-enable;
 321                         input-schmitt-disable;
 322                 };
 323         };
 324
 325         uart0_pins: uart0-pins {
 326                 uart0_rx_cfg {
 327                         pins = "pf_11";
 328                         function = "uart0";
 329                         input-schmitt-disable;
 330                         bias-disable;
 331                         input-enable;
 332                 };
 333
 334                 uart0_tx_cfg {
 335                         pins = "pf_10";
 336                         function = "uart0";
 337                         bias-pull-down;
 338                 };
 339         };
 340 };
 341
 342 &adc1 {
 343         status = "okay";
 344         vref-supply = <&vcc>;
 345         pinctrl-names = "default";
 346         pinctrl-0 = <&adc1_pins>;
 347 };
 348
 349 &emc {
 350         status = "okay";
 351         pinctrl-names = "default";
 352         pinctrl-0 = <&emc_pins>;
 353
 354         cs0 {
 355                 #address-cells = <2>;
 356                 #size-cells = <1>;
 357                 ranges;
 358
 359                 mpmc,cs = <0>;
 360                 mpmc,memory-width = <16>;
 361                 mpmc,byte-lane-low;
 362                 mpmc,write-enable-delay = <0>;
 363                 mpmc,output-enable-delay = <0>;
 364                 mpmc,read-access-delay = <70>;
 365                 mpmc,page-mode-read-delay = <70>;
 366
 367                 flash@0,0 {
 368                         compatible = "sst,sst39vf320", "cfi-flash";
 369                         reg = <0 0 0x400000>;
 370                         bank-width = <2>;
 371                         #address-cells = <1>;
 372                         #size-cells = <1>;
 373
 374                         partition@0 {
 375                                 label = "bootloader";
 376                                 reg = <0x000000 0x040000>; /* 256 KiB */
 377                         };
 378
 379                         partition@1 {
 380                                 label = "kernel";
 381                                 reg = <0x040000 0x2C0000>; /* 2.75 MiB */
 382                         };
 383
 384                         partition@2 {
 385                                 label = "rootfs";
 386                                 reg = <0x300000 0x100000>; /* 1 MiB */
 387                         };
 388                 };
 389         };
 390
 391         cs2 {
 392                 #address-cells = <2>;
 393                 #size-cells = <1>;
 394                 ranges;
 395
 396                 mpmc,cs = <2>;
 397                 mpmc,memory-width = <16>;
 398                 mpmc,byte-lane-low;
 399                 mpmc,write-enable-delay = <0>;
 400                 mpmc,output-enable-delay = <30>;
 401                 mpmc,read-access-delay = <90>;
 402                 mpmc,page-mode-read-delay = <55>;
 403                 mpmc,write-access-delay = <55>;
 404                 mpmc,turn-round-delay = <55>;
 405
 406                 ext_sram: sram@2,0 {
 407                         compatible = "mmio-sram";
 408                         reg = <2 0 0x80000>; /* 512 KiB SRAM on IS62WV25616 */
 409                 };
 410         };
 411 };
 412
 413 &enet_tx_clk {
 414         clock-frequency = <25000000>;
 415 };
 416
 417 &i2c0 {
 418         status = "okay";
 419         pinctrl-names = "default";
 420         pinctrl-0 = <&i2c0_pins>;
 421         clock-frequency = <400000>;
 422
 423         /* NXP SE97BTP with temperature sensor + eeprom */
 424         sensor@18 {
 425                 compatible = "nxp,se97", "jedec,jc-42.4-temp";
 426                 reg = <0x18>;
 427         };
 428
 429         eeprom@50 {
 430                 compatible = "nxp,24c02", "atmel,24c02";
 431                 reg = <0x50>;
 432         };
 433
 434         pca_gpio: gpio@24 {
 435                 compatible = "nxp,pca9673";
 436                 reg = <0x24>;
 437                 gpio-controller;
 438                 #gpio-cells = <2>;
 439         };
 440 };
 441
 442 &mac {
 443         status = "okay";
 444         phy-mode = "mii";
 445         pinctrl-names = "default";
 446         pinctrl-0 = <&enet_mii_pins>;
 447 };
 448
 449 &spifi {
 450         status = "okay";
 451         pinctrl-names = "default";
 452         pinctrl-0 = <&spifi_pins>;
 453
 454         flash {
 455                 compatible = "jedec,spi-nor";
 456                 spi-rx-bus-width = <4>;
 457                 #address-cells = <1>;
 458                 #size-cells = <1>;
 459
 460                 partition@0 {
 461                         label = "bootloader";
 462                         reg = <0x000000 0x040000>; /* 256 KiB */
 463                 };
 464
 465                 partition@1 {
 466                         label = "kernel";
 467                         reg = <0x040000 0x2c0000>; /* 2.75 MiB */
 468                 };
 469
 470                 partition@2 {
 471                         label = "rootfs";
 472                         reg = <0x300000 0x500000>; /* 5 MiB */
 473                 };
 474         };
 475 };
 476
 477 &uart0 {
 478         status = "okay";
 479         pinctrl-names = "default";
 480         pinctrl-0 = <&uart0_pins>;
 481 };