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 {
  37                 device_type = "memory";
  38                 reg = <0x28000000 0x800000>; /* 8 MB */
  39         };
  40
  41         pca_buttons {
  42                 compatible = "gpio-keys-polled";
  43                 #address-cells = <1>;
  44                 #size-cells = <0>;
  45                 poll-interval = <100>;
  46                 autorepeat;
  47
  48                 button@0 {
  49                         label = "joy:right";
  50                         linux,code = <KEY_RIGHT>;
  51                         gpios = <&pca_gpio 8 GPIO_ACTIVE_LOW>;
  52                 };
  53
  54                 button@1 {
  55                         label = "joy:up";
  56                         linux,code = <KEY_UP>;
  57                         gpios = <&pca_gpio 9 GPIO_ACTIVE_LOW>;
  58                 };
  59
  60
  61                 button@2 {
  62                         label = "joy:enter";
  63                         linux,code = <KEY_ENTER>;
  64                         gpios = <&pca_gpio 10 GPIO_ACTIVE_LOW>;
  65                 };
  66
  67                 button@3 {
  68                         label = "joy:left";
  69                         linux,code = <KEY_LEFT>;
  70                         gpios = <&pca_gpio 11 GPIO_ACTIVE_LOW>;
  71                 };
  72
  73                 button@4 {
  74                         label = "joy:down";
  75                         linux,code = <KEY_DOWN>;
  76                         gpios = <&pca_gpio 12 GPIO_ACTIVE_LOW>;
  77                 };
  78
  79                 button@5 {
  80                         label = "user:sw3";
  81                         linux,code = <KEY_F1>;
  82                         gpios = <&pca_gpio 13 GPIO_ACTIVE_LOW>;
  83                 };
  84
  85                 button@6 {
  86                         label = "user:sw4";
  87                         linux,code = <KEY_F2>;
  88                         gpios = <&pca_gpio 14 GPIO_ACTIVE_LOW>;
  89                 };
  90
  91                 button@7 {
  92                         label = "user:sw5";
  93                         linux,code = <KEY_F3>;
  94                         gpios = <&pca_gpio 15 GPIO_ACTIVE_LOW>;
  95                 };
  96         };
  97
  98         pca_leds {
  99                 compatible = "gpio-leds";
 100
 101                 led0 {
 102                         label = "ext:led0";
 103                         gpios = <&pca_gpio 0 GPIO_ACTIVE_LOW>;
 104                         linux,default-trigger = "heartbeat";
 105                 };
 106
 107                 led1 {
 108                         label = "ext:led1";
 109                         gpios = <&pca_gpio 1 GPIO_ACTIVE_LOW>;
 110                 };
 111
 112                 led2 {
 113                         label = "ext:led2";
 114                         gpios = <&pca_gpio 2 GPIO_ACTIVE_LOW>;
 115                 };
 116
 117                 led3 {
 118                         label = "ext:led3";
 119                         gpios = <&pca_gpio 3 GPIO_ACTIVE_LOW>;
 120                 };
 121         };
 122 };
 123
 124 &pinctrl {
 125         emc_pins: emc-pins {
 126                 emc_addr0_23_cfg {
 127                         pins =  "p2_9",  "p2_10", "p2_11", "p2_12",
 128                                 "p2_13", "p1_0",  "p1_1",  "p1_2",
 129                                 "p2_8",  "p2_7",  "p2_6",  "p2_2",
 130                                 "p2_1",  "p2_0",  "p6_8",  "p6_7",
 131                                 "pd_16", "pd_15", "pe_0",  "pe_1",
 132                                 "pe_2",  "pe_3",  "pe_4",  "pa_4";
 133                         function = "emc";
 134                         slew-rate = <1>;
 135                         bias-disable;
 136                         input-enable;
 137                         input-schmitt-disable;
 138                 };
 139
 140                 emc_data0_15_cfg {
 141                         pins =  "p1_7",  "p1_8",  "p1_9",  "p1_10",
 142                                 "p1_11", "p1_12", "p1_13", "p1_14",
 143                                 "p5_4",  "p5_5",  "p5_6",  "p5_7",
 144                                 "p5_0",  "p5_1",  "p5_2",  "p5_3";
 145                         function = "emc";
 146                         slew-rate = <1>;
 147                         bias-disable;
 148                         input-enable;
 149                         input-schmitt-disable;
 150                 };
 151
 152                 emc_we_oe_cfg {
 153                         pins = "p1_6", "p1_3";
 154                         function = "emc";
 155                         slew-rate = <1>;
 156                         bias-disable;
 157                         input-enable;
 158                         input-schmitt-disable;
 159                 };
 160
 161                 emc_bls0_3_cfg {
 162                         pins = "p1_4", "p6_6", "pd_13", "pd_10";
 163                         function = "emc";
 164                         slew-rate = <1>;
 165                         bias-disable;
 166                         input-enable;
 167                         input-schmitt-disable;
 168                 };
 169
 170                 emc_cs0_cs2_cfg {
 171                         pins = "p1_5", "pd_12";
 172                         function = "emc";
 173                         slew-rate = <1>;
 174                         bias-disable;
 175                         input-enable;
 176                         input-schmitt-disable;
 177                 };
 178
 179                 emc_sdram_dqm0_3_cfg {
 180                         pins = "p6_12", "p6_10", "pd_0", "pe_13";
 181                         function = "emc";
 182                         slew-rate = <1>;
 183                         bias-disable;
 184                         input-enable;
 185                         input-schmitt-disable;
 186                 };
 187
 188                 emc_sdram_ras_cas_cfg {
 189                         pins = "p6_5", "p6_4";
 190                         function = "emc";
 191                         slew-rate = <1>;
 192                         bias-disable;
 193                         input-enable;
 194                         input-schmitt-disable;
 195                 };
 196
 197                 emc_sdram_dycs0_cfg {
 198                         pins = "p6_9";
 199                         function = "emc";
 200                         slew-rate = <1>;
 201                         bias-disable;
 202                         input-enable;
 203                         input-schmitt-disable;
 204                 };
 205
 206                 emc_sdram_cke_cfg {
 207                         pins = "p6_11";
 208                         function = "emc";
 209                         slew-rate = <1>;
 210                         bias-disable;
 211                         input-enable;
 212                         input-schmitt-disable;
 213                 };
 214
 215                 emc_sdram_clock_cfg {
 216                         pins = "clk0", "clk1", "clk2", "clk3";
 217                         function = "emc";
 218                         slew-rate = <1>;
 219                         bias-disable;
 220                         input-enable;
 221                         input-schmitt-disable;
 222                 };
 223         };
 224
 225         enet_mii_pins: enet-mii-pins {
 226                 enet_mii_rxd0_3_cfg {
 227                         pins = "p1_15", "p0_0", "p9_3", "p9_2";
 228                         function = "enet";
 229                         bias-disable;
 230                         input-enable;
 231                 };
 232
 233                 enet_mii_txd0_3_cfg {
 234                         pins = "p1_18", "p1_20", "p9_4", "p9_5";
 235                         function = "enet";
 236                         bias-disable;
 237                 };
 238
 239                 enet_mii_crs_col_cfg {
 240                         pins = "p9_0", "p9_6";
 241                         function = "enet";
 242                         bias-disable;
 243                         input-enable;
 244                 };
 245
 246                 enet_mii_rx_clk_dv_er_cfg {
 247                         pins = "pc_0", "p1_16", "p9_1";
 248                         function = "enet";
 249                         bias-disable;
 250                         input-enable;
 251                 };
 252
 253                 enet_mii_tx_clk_en_cfg {
 254                         pins = "p1_19", "p0_1";
 255                         function = "enet";
 256                         bias-disable;
 257                         input-enable;
 258                 };
 259
 260                 enet_mdio_cfg {
 261                         pins = "p1_17";
 262                         function = "enet";
 263                         bias-disable;
 264                         input-enable;
 265                 };
 266
 267                 enet_mdc_cfg {
 268                         pins = "pc_1";
 269                         function = "enet";
 270                         bias-disable;
 271                 };
 272         };
 273
 274         i2c0_pins: i2c0-pins {
 275                 i2c0_pins_cfg {
 276                         pins = "i2c0_scl", "i2c0_sda";
 277                         function = "i2c0";
 278                         input-enable;
 279                 };
 280         };
 281
 282         spifi_pins: spifi-pins {
 283                 spifi_clk_cfg {
 284                         pins = "p3_3";
 285                         function = "spifi";
 286                         slew-rate = <1>;
 287                         bias-disable;
 288                         input-enable;
 289                         input-schmitt-disable;
 290                 };
 291
 292                 spifi_mosi_miso_sio2_3_cfg {
 293                         pins = "p3_7", "p3_6", "p3_5", "p3_4";
 294                         function = "spifi";
 295                         slew-rate = <1>;
 296                         bias-disable;
 297                         input-enable;
 298                         input-schmitt-disable;
 299                 };
 300
 301                 spifi_cs_cfg {
 302                         pins = "p3_8";
 303                         function = "spifi";
 304                         slew-rate = <1>;
 305                         bias-disable;
 306                         input-enable;
 307                         input-schmitt-disable;
 308                 };
 309         };
 310
 311         uart0_pins: uart0-pins {
 312                 uart0_rx_cfg {
 313                         pins = "pf_11";
 314                         function = "uart0";
 315                         input-schmitt-disable;
 316                         bias-disable;
 317                         input-enable;
 318                 };
 319
 320                 uart0_tx_cfg {
 321                         pins = "pf_10";
 322                         function = "uart0";
 323                         bias-pull-down;
 324                 };
 325         };
 326 };
 327
 328 &emc {
 329         status = "okay";
 330         pinctrl-names = "default";
 331         pinctrl-0 = <&emc_pins>;
 332
 333         cs0 {
 334                 #address-cells = <2>;
 335                 #size-cells = <1>;
 336                 ranges;
 337
 338                 mpmc,cs = <0>;
 339                 mpmc,memory-width = <16>;
 340                 mpmc,byte-lane-low;
 341                 mpmc,write-enable-delay = <0>;
 342                 mpmc,output-enable-delay = <0>;
 343                 mpmc,read-access-delay = <70>;
 344                 mpmc,page-mode-read-delay = <70>;
 345
 346                 flash@0,0 {
 347                         compatible = "sst,sst39vf320", "cfi-flash";
 348                         reg = <0 0 0x400000>;
 349                         bank-width = <2>;
 350                         #address-cells = <1>;
 351                         #size-cells = <1>;
 352
 353                         partition@0 {
 354                                 label = "bootloader";
 355                                 reg = <0x000000 0x040000>; /* 256 KiB */
 356                         };
 357
 358                         partition@1 {
 359                                 label = "kernel";
 360                                 reg = <0x040000 0x2C0000>; /* 2.75 MiB */
 361                         };
 362
 363                         partition@2 {
 364                                 label = "rootfs";
 365                                 reg = <0x300000 0x100000>; /* 1 MiB */
 366                         };
 367                 };
 368         };
 369
 370         cs2 {
 371                 #address-cells = <2>;
 372                 #size-cells = <1>;
 373                 ranges;
 374
 375                 mpmc,cs = <2>;
 376                 mpmc,memory-width = <16>;
 377                 mpmc,byte-lane-low;
 378                 mpmc,write-enable-delay = <0>;
 379                 mpmc,output-enable-delay = <30>;
 380                 mpmc,read-access-delay = <90>;
 381                 mpmc,page-mode-read-delay = <55>;
 382                 mpmc,write-access-delay = <55>;
 383                 mpmc,turn-round-delay = <55>;
 384
 385                 ext_sram: sram@2,0 {
 386                         compatible = "mmio-sram";
 387                         reg = <2 0 0x80000>; /* 512 KiB SRAM on IS62WV25616 */
 388                 };
 389         };
 390 };
 391
 392 &enet_tx_clk {
 393         clock-frequency = <25000000>;
 394 };
 395
 396 &i2c0 {
 397         status = "okay";
 398         pinctrl-names = "default";
 399         pinctrl-0 = <&i2c0_pins>;
 400         clock-frequency = <400000>;
 401
 402         /* NXP SE97BTP with temperature sensor + eeprom */
 403         sensor@18 {
 404                 compatible = "nxp,jc42";
 405                 reg = <0x18>;
 406         };
 407
 408         eeprom@50 {
 409                 compatible = "nxp,24c02";
 410                 reg = <0x50>;
 411         };
 412
 413         pca_gpio: gpio@24 {
 414                 compatible = "nxp,pca9673";
 415                 reg = <0x24>;
 416                 gpio-controller;
 417                 #gpio-cells = <2>;
 418         };
 419 };
 420
 421 &mac {
 422         status = "okay";
 423         phy-mode = "mii";
 424         pinctrl-names = "default";
 425         pinctrl-0 = <&enet_mii_pins>;
 426 };
 427
 428 &spifi {
 429         status = "okay";
 430         pinctrl-names = "default";
 431         pinctrl-0 = <&spifi_pins>;
 432
 433         flash@0 {
 434                 compatible = "jedec,spi-nor";
 435                 spi-rx-bus-width = <4>;
 436                 #address-cells = <1>;
 437                 #size-cells = <1>;
 438
 439                 partition@0 {
 440                         label = "bootloader";
 441                         reg = <0x000000 0x040000>; /* 256 KiB */
 442                 };
 443
 444                 partition@1 {
 445                         label = "kernel";
 446                         reg = <0x040000 0x2c0000>; /* 2.75 MiB */
 447                 };
 448
 449                 partition@2 {
 450                         label = "rootfs";
 451                         reg = <0x300000 0x500000>; /* 5 MiB */
 452                 };
 453         };
 454 };
 455
 456 &uart0 {
 457         status = "okay";
 458         pinctrl-names = "default";
 459         pinctrl-0 = <&uart0_pins>;
 460 };