sys/gnu/dts/arm/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                 data0@1c00000 {
  92                         reg = <0x1c00000 0x2400000>;
  93                 };
  94                 flash0@0 {
  95                         reg = <0x0 0x4000000>;
  96                 };
  97         };
  98 };
  99
 100 &fmc_flash1 {
 101         partitions {
 102                 flash1@0 {
 103                         reg = <0x0 0x4000000>;
 104                 };
 105         };
 106 };
 107
 108 &uart1 {
 109         pinctrl-0 = <&pinctrl_txd1_default
 110                      &pinctrl_rxd1_default
 111                      &pinctrl_ncts1_default
 112                      &pinctrl_ndsr1_default
 113                      &pinctrl_ndtr1_default
 114                      &pinctrl_nrts1_default>;
 115 };
 116
 117 &uart2 {
 118         status = "okay";
 119         pinctrl-names = "default";
 120         pinctrl-0 = <&pinctrl_txd2_default
 121                      &pinctrl_rxd2_default>;
 122 };
 123
 124 &uart4 {
 125         status = "okay";
 126         pinctrl-names = "default";
 127         pinctrl-0 = <&pinctrl_txd4_default
 128                      &pinctrl_rxd4_default>;
 129 };
 130
 131 &i2c0 {
 132         status = "okay";
 133         bus-frequency = <400000>;
 134         multi-master;
 135 };
 136
 137 &i2c1 {
 138         status = "okay";
 139 };
 140
 141 &i2c2 {
 142         status = "okay";
 143
 144         i2c-switch@70 {
 145                 compatible = "nxp,pca9548";
 146                 #address-cells = <1>;
 147                 #size-cells = <0>;
 148                 reg = <0x70>;
 149
 150                 imux16: i2c@0 {
 151                         #address-cells = <1>;
 152                         #size-cells = <0>;
 153                         reg = <0>;
 154                 };
 155
 156                 imux17: i2c@1 {
 157                         #address-cells = <1>;
 158                         #size-cells = <0>;
 159                         reg = <1>;
 160                 };
 161
 162                 imux18: i2c@2 {
 163                         #address-cells = <1>;
 164                         #size-cells = <0>;
 165                         reg = <2>;
 166                 };
 167
 168                 imux19: i2c@3 {
 169                         #address-cells = <1>;
 170                         #size-cells = <0>;
 171                         reg = <3>;
 172                 };
 173
 174                 imux20: i2c@4 {
 175                         #address-cells = <1>;
 176                         #size-cells = <0>;
 177                         reg = <4>;
 178                 };
 179
 180                 imux21: i2c@5 {
 181                         #address-cells = <1>;
 182                         #size-cells = <0>;
 183                         reg = <5>;
 184                 };
 185
 186                 imux22: i2c@6 {
 187                         #address-cells = <1>;
 188                         #size-cells = <0>;
 189                         reg = <6>;
 190                 };
 191
 192                 imux23: i2c@7 {
 193                         #address-cells = <1>;
 194                         #size-cells = <0>;
 195                         reg = <7>;
 196                 };
 197         };
 198 };
 199
 200 &i2c3 {
 201         status = "okay";
 202 };
 203
 204 &i2c4 {
 205         status = "okay";
 206         multi-master;
 207 };
 208
 209 &i2c5 {
 210         status = "okay";
 211 };
 212
 213 &i2c6 {
 214         status = "okay";
 215 };
 216
 217 &i2c7 {
 218         status = "okay";
 219 };
 220
 221 &i2c8 {
 222         status = "okay";
 223
 224         i2c-switch@70 {
 225                 compatible = "nxp,pca9548";
 226                 #address-cells = <1>;
 227                 #size-cells = <0>;
 228                 reg = <0x70>;
 229
 230                 imux24: i2c@0 {
 231                         #address-cells = <1>;
 232                         #size-cells = <0>;
 233                         reg = <0>;
 234                 };
 235
 236                 imux25: i2c@1 {
 237                         #address-cells = <1>;
 238                         #size-cells = <0>;
 239                         reg = <1>;
 240                 };
 241
 242                 imux26: i2c@2 {
 243                         #address-cells = <1>;
 244                         #size-cells = <0>;
 245                         reg = <2>;
 246                 };
 247
 248                 imux27: i2c@3 {
 249                         #address-cells = <1>;
 250                         #size-cells = <0>;
 251                         reg = <3>;
 252                 };
 253
 254                 imux28: i2c@4 {
 255                         #address-cells = <1>;
 256                         #size-cells = <0>;
 257                         reg = <4>;
 258                 };
 259
 260                 imux29: i2c@5 {
 261                         #address-cells = <1>;
 262                         #size-cells = <0>;
 263                         reg = <5>;
 264                 };
 265
 266                 imux30: i2c@6 {
 267                         #address-cells = <1>;
 268                         #size-cells = <0>;
 269                         reg = <6>;
 270                 };
 271
 272                 imux31: i2c@7 {
 273                         #address-cells = <1>;
 274                         #size-cells = <0>;
 275                         reg = <7>;
 276                 };
 277         };
 278 };
 279
 280 &i2c9 {
 281         status = "okay";
 282
 283         i2c-switch@70 {
 284                 compatible = "nxp,pca9548";
 285                 #address-cells = <1>;
 286                 #size-cells = <0>;
 287                 reg = <0x70>;
 288
 289                 imux32: i2c@0 {
 290                         #address-cells = <1>;
 291                         #size-cells = <0>;
 292                         reg = <0>;
 293                 };
 294
 295                 imux33: i2c@1 {
 296                         #address-cells = <1>;
 297                         #size-cells = <0>;
 298                         reg = <1>;
 299                 };
 300
 301                 imux34: i2c@2 {
 302                         #address-cells = <1>;
 303                         #size-cells = <0>;
 304                         reg = <2>;
 305                 };
 306
 307                 imux35: i2c@3 {
 308                         #address-cells = <1>;
 309                         #size-cells = <0>;
 310                         reg = <3>;
 311                 };
 312
 313                 imux36: i2c@4 {
 314                         #address-cells = <1>;
 315                         #size-cells = <0>;
 316                         reg = <4>;
 317                 };
 318
 319                 imux37: i2c@5 {
 320                         #address-cells = <1>;
 321                         #size-cells = <0>;
 322                         reg = <5>;
 323                 };
 324
 325                 imux38: i2c@6 {
 326                         #address-cells = <1>;
 327                         #size-cells = <0>;
 328                         reg = <6>;
 329                 };
 330
 331                 imux39: i2c@7 {
 332                         #address-cells = <1>;
 333                         #size-cells = <0>;
 334                         reg = <7>;
 335                 };
 336         };
 337 };
 338
 339 &i2c10 {
 340         status = "okay";
 341 };
 342
 343 &i2c11 {
 344         status = "okay";
 345
 346         i2c-switch@70 {
 347                 compatible = "nxp,pca9548";
 348                 #address-cells = <1>;
 349                 #size-cells = <0>;
 350                 reg = <0x70>;
 351
 352                 imux40: i2c@0 {
 353                         #address-cells = <1>;
 354                         #size-cells = <0>;
 355                         reg = <0>;
 356                 };
 357
 358                 imux41: i2c@1 {
 359                         #address-cells = <1>;
 360                         #size-cells = <0>;
 361                         reg = <1>;
 362                 };
 363
 364                 imux42: i2c@2 {
 365                         #address-cells = <1>;
 366                         #size-cells = <0>;
 367                         reg = <2>;
 368                 };
 369
 370                 imux43: i2c@3 {
 371                         #address-cells = <1>;
 372                         #size-cells = <0>;
 373                         reg = <3>;
 374                 };
 375
 376                 imux44: i2c@4 {
 377                         #address-cells = <1>;
 378                         #size-cells = <0>;
 379                         reg = <4>;
 380                 };
 381
 382                 imux45: i2c@5 {
 383                         #address-cells = <1>;
 384                         #size-cells = <0>;
 385                         reg = <5>;
 386                 };
 387
 388                 imux46: i2c@6 {
 389                         #address-cells = <1>;
 390                         #size-cells = <0>;
 391                         reg = <6>;
 392                 };
 393
 394                 imux47: i2c@7 {
 395                         #address-cells = <1>;
 396                         #size-cells = <0>;
 397                         reg = <7>;
 398                 };
 399         };
 400 };
 401
 402 &i2c12 {
 403         status = "okay";
 404 };
 405
 406 &i2c13 {
 407         status = "okay";
 408 };