arch/arm/boot/dts/aspeed-bmc-facebook-minipack.dts

   1 // SPDX-License-Identifier: GPL-2.0+
   2 // Copyright (c) 2018 Facebook Inc.
   3 /dts-v1/;
   4
   5 #include "ast2500-facebook-netbmc-common.dtsi"
   6
   7 / {
   8         model = "Facebook Minipack 100 BMC";
   9         compatible = "facebook,minipack-bmc", "aspeed,ast2500";
  10
  11         aliases {
  12                 /*
  13                  * Override the default serial aliases to avoid breaking
  14                  * the legacy applications.
  15                  */
  16                 serial0 = &uart5;
  17                 serial1 = &uart1;
  18                 serial2 = &uart2;
  19                 serial3 = &uart3;
  20                 serial4 = &uart4;
  21
  22                 /*
  23                  * i2c switch 2-0070, pca9548, 8 child channels assigned
  24                  * with bus number 16-23.
  25                  */
  26                 i2c16 = &imux16;
  27                 i2c17 = &imux17;
  28                 i2c18 = &imux18;
  29                 i2c19 = &imux19;
  30                 i2c20 = &imux20;
  31                 i2c21 = &imux21;
  32                 i2c22 = &imux22;
  33                 i2c23 = &imux23;
  34
  35                 /*
  36                  * i2c switch 8-0070, pca9548, 8 child channels assigned
  37                  * with bus number 24-31.
  38                  */
  39                 i2c24 = &imux24;
  40                 i2c25 = &imux25;
  41                 i2c26 = &imux26;
  42                 i2c27 = &imux27;
  43                 i2c28 = &imux28;
  44                 i2c29 = &imux29;
  45                 i2c30 = &imux30;
  46                 i2c31 = &imux31;
  47
  48                 /*
  49                  * i2c switch 9-0070, pca9548, 8 child channels assigned
  50                  * with bus number 32-39.
  51                  */
  52                 i2c32 = &imux32;
  53                 i2c33 = &imux33;
  54                 i2c34 = &imux34;
  55                 i2c35 = &imux35;
  56                 i2c36 = &imux36;
  57                 i2c37 = &imux37;
  58                 i2c38 = &imux38;
  59                 i2c39 = &imux39;
  60
  61                 /*
  62                  * i2c switch 11-0070, pca9548, 8 child channels assigned
  63                  * with bus number 40-47.
  64                  */
  65                 i2c40 = &imux40;
  66                 i2c41 = &imux41;
  67                 i2c42 = &imux42;
  68                 i2c43 = &imux43;
  69                 i2c44 = &imux44;
  70                 i2c45 = &imux45;
  71                 i2c46 = &imux46;
  72                 i2c47 = &imux47;
  73         };
  74
  75         chosen {
  76                 stdout-path = &uart1;
  77                 bootargs = "debug console=ttyS1,9600n8 root=/dev/ram rw";
  78         };
  79 };
  80
  81 &wdt2 {
  82         status = "okay";
  83         aspeed,reset-type = "system";
  84 };
  85
  86 /*
  87  * Both firmware flashes are 64MB on Minipack BMC.
  88  */
  89 &fmc_flash0 {
  90         partitions {
  91                 compatible = "fixed-partitions";
  92                 #address-cells = <1>;
  93                 #size-cells = <1>;
  94
  95                 /*
  96                  * u-boot partition: 384KB.
  97                  */
  98                 u-boot@0 {
  99                         reg = <0x0 0x60000>;
 100                         label = "u-boot";
 101                 };
 102
 103                 /*
 104                  * u-boot environment variables: 128KB.
 105                  */
 106                 u-boot-env@60000 {
 107                         reg = <0x60000 0x20000>;
 108                         label = "env";
 109                 };
 110
 111                 /*
 112                  * FIT image: 59.5 MB.
 113                  */
 114                 fit@80000 {
 115                         reg = <0x80000 0x3b80000>;
 116                         label = "fit";
 117                 };
 118
 119                 /*
 120                  * "data0" partition (4MB) is reserved for persistent
 121                  * data store.
 122                  */
 123                 data0@3800000 {
 124                         reg = <0x3c00000 0x400000>;
 125                         label = "data0";
 126                 };
 127
 128                 /*
 129                  * "flash0" partition (covering the entire flash) is
 130                  * explicitly created to avoid breaking legacy applications.
 131                  */
 132                 flash0@0 {
 133                         reg = <0x0 0x4000000>;
 134                         label = "flash0";
 135                 };
 136         };
 137 };
 138
 139 &fmc_flash1 {
 140         partitions {
 141                 compatible = "fixed-partitions";
 142                 #address-cells = <1>;
 143                 #size-cells = <1>;
 144
 145                 flash1@0 {
 146                         reg = <0x0 0x4000000>;
 147                 };
 148         };
 149 };
 150
 151 &uart1 {
 152         pinctrl-0 = <&pinctrl_txd1_default
 153                      &pinctrl_rxd1_default
 154                      &pinctrl_ncts1_default
 155                      &pinctrl_ndsr1_default
 156                      &pinctrl_ndtr1_default
 157                      &pinctrl_nrts1_default>;
 158 };
 159
 160 &uart2 {
 161         status = "okay";
 162         pinctrl-names = "default";
 163         pinctrl-0 = <&pinctrl_txd2_default
 164                      &pinctrl_rxd2_default>;
 165 };
 166
 167 &uart4 {
 168         status = "okay";
 169         pinctrl-names = "default";
 170         pinctrl-0 = <&pinctrl_txd4_default
 171                      &pinctrl_rxd4_default>;
 172 };
 173
 174 &i2c0 {
 175         status = "okay";
 176         bus-frequency = <400000>;
 177         multi-master;
 178 };
 179
 180 &i2c1 {
 181         status = "okay";
 182 };
 183
 184 &i2c2 {
 185         status = "okay";
 186
 187         i2c-switch@70 {
 188                 compatible = "nxp,pca9548";
 189                 #address-cells = <1>;
 190                 #size-cells = <0>;
 191                 reg = <0x70>;
 192
 193                 imux16: i2c@0 {
 194                         #address-cells = <1>;
 195                         #size-cells = <0>;
 196                         reg = <0>;
 197                 };
 198
 199                 imux17: i2c@1 {
 200                         #address-cells = <1>;
 201                         #size-cells = <0>;
 202                         reg = <1>;
 203                 };
 204
 205                 imux18: i2c@2 {
 206                         #address-cells = <1>;
 207                         #size-cells = <0>;
 208                         reg = <2>;
 209                 };
 210
 211                 imux19: i2c@3 {
 212                         #address-cells = <1>;
 213                         #size-cells = <0>;
 214                         reg = <3>;
 215                 };
 216
 217                 imux20: i2c@4 {
 218                         #address-cells = <1>;
 219                         #size-cells = <0>;
 220                         reg = <4>;
 221                 };
 222
 223                 imux21: i2c@5 {
 224                         #address-cells = <1>;
 225                         #size-cells = <0>;
 226                         reg = <5>;
 227                 };
 228
 229                 imux22: i2c@6 {
 230                         #address-cells = <1>;
 231                         #size-cells = <0>;
 232                         reg = <6>;
 233                 };
 234
 235                 imux23: i2c@7 {
 236                         #address-cells = <1>;
 237                         #size-cells = <0>;
 238                         reg = <7>;
 239                 };
 240         };
 241 };
 242
 243 &i2c3 {
 244         status = "okay";
 245 };
 246
 247 &i2c4 {
 248         status = "okay";
 249         multi-master;
 250 };
 251
 252 &i2c5 {
 253         status = "okay";
 254 };
 255
 256 &i2c6 {
 257         status = "okay";
 258 };
 259
 260 &i2c7 {
 261         status = "okay";
 262 };
 263
 264 &i2c8 {
 265         status = "okay";
 266
 267         i2c-switch@70 {
 268                 compatible = "nxp,pca9548";
 269                 #address-cells = <1>;
 270                 #size-cells = <0>;
 271                 reg = <0x70>;
 272
 273                 imux24: i2c@0 {
 274                         #address-cells = <1>;
 275                         #size-cells = <0>;
 276                         reg = <0>;
 277                 };
 278
 279                 imux25: i2c@1 {
 280                         #address-cells = <1>;
 281                         #size-cells = <0>;
 282                         reg = <1>;
 283                 };
 284
 285                 imux26: i2c@2 {
 286                         #address-cells = <1>;
 287                         #size-cells = <0>;
 288                         reg = <2>;
 289                 };
 290
 291                 imux27: i2c@3 {
 292                         #address-cells = <1>;
 293                         #size-cells = <0>;
 294                         reg = <3>;
 295                 };
 296
 297                 imux28: i2c@4 {
 298                         #address-cells = <1>;
 299                         #size-cells = <0>;
 300                         reg = <4>;
 301                 };
 302
 303                 imux29: i2c@5 {
 304                         #address-cells = <1>;
 305                         #size-cells = <0>;
 306                         reg = <5>;
 307                 };
 308
 309                 imux30: i2c@6 {
 310                         #address-cells = <1>;
 311                         #size-cells = <0>;
 312                         reg = <6>;
 313                 };
 314
 315                 imux31: i2c@7 {
 316                         #address-cells = <1>;
 317                         #size-cells = <0>;
 318                         reg = <7>;
 319                 };
 320         };
 321 };
 322
 323 &i2c9 {
 324         status = "okay";
 325
 326         i2c-switch@70 {
 327                 compatible = "nxp,pca9548";
 328                 #address-cells = <1>;
 329                 #size-cells = <0>;
 330                 reg = <0x70>;
 331
 332                 imux32: i2c@0 {
 333                         #address-cells = <1>;
 334                         #size-cells = <0>;
 335                         reg = <0>;
 336                 };
 337
 338                 imux33: i2c@1 {
 339                         #address-cells = <1>;
 340                         #size-cells = <0>;
 341                         reg = <1>;
 342                 };
 343
 344                 imux34: i2c@2 {
 345                         #address-cells = <1>;
 346                         #size-cells = <0>;
 347                         reg = <2>;
 348                 };
 349
 350                 imux35: i2c@3 {
 351                         #address-cells = <1>;
 352                         #size-cells = <0>;
 353                         reg = <3>;
 354                 };
 355
 356                 imux36: i2c@4 {
 357                         #address-cells = <1>;
 358                         #size-cells = <0>;
 359                         reg = <4>;
 360                 };
 361
 362                 imux37: i2c@5 {
 363                         #address-cells = <1>;
 364                         #size-cells = <0>;
 365                         reg = <5>;
 366                 };
 367
 368                 imux38: i2c@6 {
 369                         #address-cells = <1>;
 370                         #size-cells = <0>;
 371                         reg = <6>;
 372                 };
 373
 374                 imux39: i2c@7 {
 375                         #address-cells = <1>;
 376                         #size-cells = <0>;
 377                         reg = <7>;
 378                 };
 379         };
 380 };
 381
 382 &i2c10 {
 383         status = "okay";
 384 };
 385
 386 &i2c11 {
 387         status = "okay";
 388
 389         i2c-switch@70 {
 390                 compatible = "nxp,pca9548";
 391                 #address-cells = <1>;
 392                 #size-cells = <0>;
 393                 reg = <0x70>;
 394
 395                 imux40: i2c@0 {
 396                         #address-cells = <1>;
 397                         #size-cells = <0>;
 398                         reg = <0>;
 399                 };
 400
 401                 imux41: i2c@1 {
 402                         #address-cells = <1>;
 403                         #size-cells = <0>;
 404                         reg = <1>;
 405                 };
 406
 407                 imux42: i2c@2 {
 408                         #address-cells = <1>;
 409                         #size-cells = <0>;
 410                         reg = <2>;
 411                 };
 412
 413                 imux43: i2c@3 {
 414                         #address-cells = <1>;
 415                         #size-cells = <0>;
 416                         reg = <3>;
 417                 };
 418
 419                 imux44: i2c@4 {
 420                         #address-cells = <1>;
 421                         #size-cells = <0>;
 422                         reg = <4>;
 423                 };
 424
 425                 imux45: i2c@5 {
 426                         #address-cells = <1>;
 427                         #size-cells = <0>;
 428                         reg = <5>;
 429                 };
 430
 431                 imux46: i2c@6 {
 432                         #address-cells = <1>;
 433                         #size-cells = <0>;
 434                         reg = <6>;
 435                 };
 436
 437                 imux47: i2c@7 {
 438                         #address-cells = <1>;
 439                         #size-cells = <0>;
 440                         reg = <7>;
 441                 };
 442         };
 443 };
 444
 445 &i2c12 {
 446         status = "okay";
 447 };
 448
 449 &i2c13 {
 450         status = "okay";
 451 };