arch/arm/boot/dts/bcm283x.dtsi

   1 #include <dt-bindings/pinctrl/bcm2835.h>
   2 #include <dt-bindings/clock/bcm2835.h>
   3 #include <dt-bindings/clock/bcm2835-aux.h>
   4 #include <dt-bindings/gpio/gpio.h>
   5 #include <dt-bindings/interrupt-controller/irq.h>
   6 #include <dt-bindings/soc/bcm2835-pm.h>
   7
   8 /* firmware-provided startup stubs live here, where the secondary CPUs are
   9  * spinning.
  10  */
  11 /memreserve/ 0x00000000 0x00001000;
  12
  13 /* This include file covers the common peripherals and configuration between
  14  * bcm2835 and bcm2836 implementations, leaving the CPU configuration to
  15  * bcm2835.dtsi and bcm2836.dtsi.
  16  */
  17
  18 / {
  19         compatible = "brcm,bcm2835";
  20         model = "BCM2835";
  21         #address-cells = <1>;
  22         #size-cells = <1>;
  23
  24         aliases {
  25                 serial0 = &uart0;
  26                 serial1 = &uart1;
  27         };
  28
  29         chosen {
  30                 stdout-path = "serial0:115200n8";
  31         };
  32
  33         rmem: reserved-memory {
  34                 #address-cells = <1>;
  35                 #size-cells = <1>;
  36                 ranges;
  37
  38                 cma: linux,cma {
  39                         compatible = "shared-dma-pool";
  40                         size = <0x4000000>; /* 64MB */
  41                         reusable;
  42                         linux,cma-default;
  43                 };
  44         };
  45
  46         thermal-zones {
  47                 cpu_thermal: cpu-thermal {
  48                         polling-delay-passive = <0>;
  49                         polling-delay = <1000>;
  50
  51                         trips {
  52                                 cpu-crit {
  53                                         temperature     = <90000>;
  54                                         hysteresis      = <0>;
  55                                         type            = "critical";
  56                                 };
  57                         };
  58
  59                         cooling-maps {
  60                         };
  61                 };
  62         };
  63
  64         soc {
  65                 compatible = "simple-bus";
  66                 #address-cells = <1>;
  67                 #size-cells = <1>;
  68
  69                 system_timer: timer@7e003000 {
  70                         compatible = "brcm,bcm2835-system-timer";
  71                         reg = <0x7e003000 0x1000>;
  72                         interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
  73                         /* This could be a reference to BCM2835_CLOCK_TIMER,
  74                          * but we don't have the driver using the common clock
  75                          * support yet.
  76                          */
  77                         clock-frequency = <1000000>;
  78                 };
  79
  80                 txp: txp@7e004000 {
  81                         compatible = "brcm,bcm2835-txp";
  82                         reg = <0x7e004000 0x20>;
  83                         interrupts = <1 11>;
  84                 };
  85
  86                 clocks: cprman@7e101000 {
  87                         compatible = "brcm,bcm2835-cprman";
  88                         #clock-cells = <1>;
  89                         reg = <0x7e101000 0x2000>;
  90
  91                         /* CPRMAN derives almost everything from the
  92                          * platform's oscillator.  However, the DSI
  93                          * pixel clocks come from the DSI analog PHY.
  94                          */
  95                         clocks = <&clk_osc>,
  96                                 <&dsi0 0>, <&dsi0 1>, <&dsi0 2>,
  97                                 <&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
  98                 };
  99
 100                 mailbox: mailbox@7e00b880 {
 101                         compatible = "brcm,bcm2835-mbox";
 102                         reg = <0x7e00b880 0x40>;
 103                         interrupts = <0 1>;
 104                         #mbox-cells = <0>;
 105                 };
 106
 107                 gpio: gpio@7e200000 {
 108                         compatible = "brcm,bcm2835-gpio";
 109                         reg = <0x7e200000 0xb4>;
 110                         /*
 111                          * The GPIO IP block is designed for 3 banks of GPIOs.
 112                          * Each bank has a GPIO interrupt for itself.
 113                          * There is an overall "any bank" interrupt.
 114                          * In order, these are GIC interrupts 17, 18, 19, 20.
 115                          * Since the BCM2835 only has 2 banks, the 2nd bank
 116                          * interrupt output appears to be mirrored onto the
 117                          * 3rd bank's interrupt signal.
 118                          * So, a bank0 interrupt shows up on 17, 20, and
 119                          * a bank1 interrupt shows up on 18, 19, 20!
 120                          */
 121                         interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
 122
 123                         gpio-controller;
 124                         #gpio-cells = <2>;
 125
 126                         interrupt-controller;
 127                         #interrupt-cells = <2>;
 128
 129                         /* Defines common pin muxing groups
 130                          *
 131                          * While each pin can have its mux selected
 132                          * for various functions individually, some
 133                          * groups only make sense to switch to a
 134                          * particular function together.
 135                          */
 136                         dpi_gpio0: dpi_gpio0 {
 137                                 brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11
 138                                              12 13 14 15 16 17 18 19
 139                                              20 21 22 23 24 25 26 27>;
 140                                 brcm,function = <BCM2835_FSEL_ALT2>;
 141                         };
 142                         emmc_gpio22: emmc_gpio22 {
 143                                 brcm,pins = <22 23 24 25 26 27>;
 144                                 brcm,function = <BCM2835_FSEL_ALT3>;
 145                         };
 146                         emmc_gpio34: emmc_gpio34 {
 147                                 brcm,pins = <34 35 36 37 38 39>;
 148                                 brcm,function = <BCM2835_FSEL_ALT3>;
 149                                 brcm,pull = <BCM2835_PUD_OFF
 150                                              BCM2835_PUD_UP
 151                                              BCM2835_PUD_UP
 152                                              BCM2835_PUD_UP
 153                                              BCM2835_PUD_UP
 154                                              BCM2835_PUD_UP>;
 155                         };
 156                         emmc_gpio48: emmc_gpio48 {
 157                                 brcm,pins = <48 49 50 51 52 53>;
 158                                 brcm,function = <BCM2835_FSEL_ALT3>;
 159                         };
 160
 161                         gpclk0_gpio4: gpclk0_gpio4 {
 162                                 brcm,pins = <4>;
 163                                 brcm,function = <BCM2835_FSEL_ALT0>;
 164                         };
 165                         gpclk1_gpio5: gpclk1_gpio5 {
 166                                 brcm,pins = <5>;
 167                                 brcm,function = <BCM2835_FSEL_ALT0>;
 168                         };
 169                         gpclk1_gpio42: gpclk1_gpio42 {
 170                                 brcm,pins = <42>;
 171                                 brcm,function = <BCM2835_FSEL_ALT0>;
 172                         };
 173                         gpclk1_gpio44: gpclk1_gpio44 {
 174                                 brcm,pins = <44>;
 175                                 brcm,function = <BCM2835_FSEL_ALT0>;
 176                         };
 177                         gpclk2_gpio6: gpclk2_gpio6 {
 178                                 brcm,pins = <6>;
 179                                 brcm,function = <BCM2835_FSEL_ALT0>;
 180                         };
 181                         gpclk2_gpio43: gpclk2_gpio43 {
 182                                 brcm,pins = <43>;
 183                                 brcm,function = <BCM2835_FSEL_ALT0>;
 184                                 brcm,pull = <BCM2835_PUD_OFF>;
 185                         };
 186
 187                         i2c0_gpio0: i2c0_gpio0 {
 188                                 brcm,pins = <0 1>;
 189                                 brcm,function = <BCM2835_FSEL_ALT0>;
 190                         };
 191                         i2c0_gpio28: i2c0_gpio28 {
 192                                 brcm,pins = <28 29>;
 193                                 brcm,function = <BCM2835_FSEL_ALT0>;
 194                         };
 195                         i2c0_gpio44: i2c0_gpio44 {
 196                                 brcm,pins = <44 45>;
 197                                 brcm,function = <BCM2835_FSEL_ALT1>;
 198                         };
 199                         i2c1_gpio2: i2c1_gpio2 {
 200                                 brcm,pins = <2 3>;
 201                                 brcm,function = <BCM2835_FSEL_ALT0>;
 202                         };
 203                         i2c1_gpio44: i2c1_gpio44 {
 204                                 brcm,pins = <44 45>;
 205                                 brcm,function = <BCM2835_FSEL_ALT2>;
 206                         };
 207
 208                         jtag_gpio22: jtag_gpio22 {
 209                                 brcm,pins = <22 23 24 25 26 27>;
 210                                 brcm,function = <BCM2835_FSEL_ALT4>;
 211                         };
 212
 213                         pcm_gpio18: pcm_gpio18 {
 214                                 brcm,pins = <18 19 20 21>;
 215                                 brcm,function = <BCM2835_FSEL_ALT0>;
 216                         };
 217                         pcm_gpio28: pcm_gpio28 {
 218                                 brcm,pins = <28 29 30 31>;
 219                                 brcm,function = <BCM2835_FSEL_ALT2>;
 220                         };
 221
 222                         sdhost_gpio48: sdhost_gpio48 {
 223                                 brcm,pins = <48 49 50 51 52 53>;
 224                                 brcm,function = <BCM2835_FSEL_ALT0>;
 225                         };
 226
 227                         spi0_gpio7: spi0_gpio7 {
 228                                 brcm,pins = <7 8 9 10 11>;
 229                                 brcm,function = <BCM2835_FSEL_ALT0>;
 230                         };
 231                         spi0_gpio35: spi0_gpio35 {
 232                                 brcm,pins = <35 36 37 38 39>;
 233                                 brcm,function = <BCM2835_FSEL_ALT0>;
 234                         };
 235                         spi1_gpio16: spi1_gpio16 {
 236                                 brcm,pins = <16 17 18 19 20 21>;
 237                                 brcm,function = <BCM2835_FSEL_ALT4>;
 238                         };
 239                         spi2_gpio40: spi2_gpio40 {
 240                                 brcm,pins = <40 41 42 43 44 45>;
 241                                 brcm,function = <BCM2835_FSEL_ALT4>;
 242                         };
 243
 244                         uart0_gpio14: uart0_gpio14 {
 245                                 brcm,pins = <14 15>;
 246                                 brcm,function = <BCM2835_FSEL_ALT0>;
 247                         };
 248                         /* Separate from the uart0_gpio14 group
 249                          * because it conflicts with spi1_gpio16, and
 250                          * people often run uart0 on the two pins
 251                          * without flow control.
 252                          */
 253                         uart0_ctsrts_gpio16: uart0_ctsrts_gpio16 {
 254                                 brcm,pins = <16 17>;
 255                                 brcm,function = <BCM2835_FSEL_ALT3>;
 256                         };
 257                         uart0_ctsrts_gpio30: uart0_ctsrts_gpio30 {
 258                                 brcm,pins = <30 31>;
 259                                 brcm,function = <BCM2835_FSEL_ALT3>;
 260                                 brcm,pull = <BCM2835_PUD_UP BCM2835_PUD_OFF>;
 261                         };
 262                         uart0_gpio32: uart0_gpio32 {
 263                                 brcm,pins = <32 33>;
 264                                 brcm,function = <BCM2835_FSEL_ALT3>;
 265                                 brcm,pull = <BCM2835_PUD_OFF BCM2835_PUD_UP>;
 266                         };
 267                         uart0_gpio36: uart0_gpio36 {
 268                                 brcm,pins = <36 37>;
 269                                 brcm,function = <BCM2835_FSEL_ALT2>;
 270                         };
 271                         uart0_ctsrts_gpio38: uart0_ctsrts_gpio38 {
 272                                 brcm,pins = <38 39>;
 273                                 brcm,function = <BCM2835_FSEL_ALT2>;
 274                         };
 275
 276                         uart1_gpio14: uart1_gpio14 {
 277                                 brcm,pins = <14 15>;
 278                                 brcm,function = <BCM2835_FSEL_ALT5>;
 279                         };
 280                         uart1_ctsrts_gpio16: uart1_ctsrts_gpio16 {
 281                                 brcm,pins = <16 17>;
 282                                 brcm,function = <BCM2835_FSEL_ALT5>;
 283                         };
 284                         uart1_gpio32: uart1_gpio32 {
 285                                 brcm,pins = <32 33>;
 286                                 brcm,function = <BCM2835_FSEL_ALT5>;
 287                         };
 288                         uart1_ctsrts_gpio30: uart1_ctsrts_gpio30 {
 289                                 brcm,pins = <30 31>;
 290                                 brcm,function = <BCM2835_FSEL_ALT5>;
 291                         };
 292                         uart1_gpio40: uart1_gpio40 {
 293                                 brcm,pins = <40 41>;
 294                                 brcm,function = <BCM2835_FSEL_ALT5>;
 295                         };
 296                         uart1_ctsrts_gpio42: uart1_ctsrts_gpio42 {
 297                                 brcm,pins = <42 43>;
 298                                 brcm,function = <BCM2835_FSEL_ALT5>;
 299                         };
 300                 };
 301
 302                 uart0: serial@7e201000 {
 303                         compatible = "arm,pl011", "arm,primecell";
 304                         reg = <0x7e201000 0x200>;
 305                         interrupts = <2 25>;
 306                         clocks = <&clocks BCM2835_CLOCK_UART>,
 307                                  <&clocks BCM2835_CLOCK_VPU>;
 308                         clock-names = "uartclk", "apb_pclk";
 309                         arm,primecell-periphid = <0x00241011>;
 310                 };
 311
 312                 sdhost: mmc@7e202000 {
 313                         compatible = "brcm,bcm2835-sdhost";
 314                         reg = <0x7e202000 0x100>;
 315                         interrupts = <2 24>;
 316                         clocks = <&clocks BCM2835_CLOCK_VPU>;
 317                         status = "disabled";
 318                 };
 319
 320                 i2s: i2s@7e203000 {
 321                         compatible = "brcm,bcm2835-i2s";
 322                         reg = <0x7e203000 0x24>;
 323                         clocks = <&clocks BCM2835_CLOCK_PCM>;
 324                         status = "disabled";
 325                 };
 326
 327                 spi: spi@7e204000 {
 328                         compatible = "brcm,bcm2835-spi";
 329                         reg = <0x7e204000 0x200>;
 330                         interrupts = <2 22>;
 331                         clocks = <&clocks BCM2835_CLOCK_VPU>;
 332                         #address-cells = <1>;
 333                         #size-cells = <0>;
 334                         status = "disabled";
 335                 };
 336
 337                 i2c0: i2c@7e205000 {
 338                         compatible = "brcm,bcm2835-i2c";
 339                         reg = <0x7e205000 0x200>;
 340                         interrupts = <2 21>;
 341                         clocks = <&clocks BCM2835_CLOCK_VPU>;
 342                         #address-cells = <1>;
 343                         #size-cells = <0>;
 344                         status = "disabled";
 345                 };
 346
 347                 dpi: dpi@7e208000 {
 348                         compatible = "brcm,bcm2835-dpi";
 349                         reg = <0x7e208000 0x8c>;
 350                         clocks = <&clocks BCM2835_CLOCK_VPU>,
 351                                  <&clocks BCM2835_CLOCK_DPI>;
 352                         clock-names = "core", "pixel";
 353                         #address-cells = <1>;
 354                         #size-cells = <0>;
 355                         status = "disabled";
 356                 };
 357
 358                 dsi0: dsi@7e209000 {
 359                         compatible = "brcm,bcm2835-dsi0";
 360                         reg = <0x7e209000 0x78>;
 361                         interrupts = <2 4>;
 362                         #address-cells = <1>;
 363                         #size-cells = <0>;
 364                         #clock-cells = <1>;
 365
 366                         clocks = <&clocks BCM2835_PLLA_DSI0>,
 367                                  <&clocks BCM2835_CLOCK_DSI0E>,
 368                                  <&clocks BCM2835_CLOCK_DSI0P>;
 369                         clock-names = "phy", "escape", "pixel";
 370
 371                         clock-output-names = "dsi0_byte",
 372                                              "dsi0_ddr2",
 373                                              "dsi0_ddr";
 374
 375                         status = "disabled";
 376                 };
 377
 378                 aux: aux@7e215000 {
 379                         compatible = "brcm,bcm2835-aux";
 380                         #clock-cells = <1>;
 381                         reg = <0x7e215000 0x8>;
 382                         clocks = <&clocks BCM2835_CLOCK_VPU>;
 383                 };
 384
 385                 uart1: serial@7e215040 {
 386                         compatible = "brcm,bcm2835-aux-uart";
 387                         reg = <0x7e215040 0x40>;
 388                         interrupts = <1 29>;
 389                         clocks = <&aux BCM2835_AUX_CLOCK_UART>;
 390                         status = "disabled";
 391                 };
 392
 393                 spi1: spi@7e215080 {
 394                         compatible = "brcm,bcm2835-aux-spi";
 395                         reg = <0x7e215080 0x40>;
 396                         interrupts = <1 29>;
 397                         clocks = <&aux BCM2835_AUX_CLOCK_SPI1>;
 398                         #address-cells = <1>;
 399                         #size-cells = <0>;
 400                         status = "disabled";
 401                 };
 402
 403                 spi2: spi@7e2150c0 {
 404                         compatible = "brcm,bcm2835-aux-spi";
 405                         reg = <0x7e2150c0 0x40>;
 406                         interrupts = <1 29>;
 407                         clocks = <&aux BCM2835_AUX_CLOCK_SPI2>;
 408                         #address-cells = <1>;
 409                         #size-cells = <0>;
 410                         status = "disabled";
 411                 };
 412
 413                 pwm: pwm@7e20c000 {
 414                         compatible = "brcm,bcm2835-pwm";
 415                         reg = <0x7e20c000 0x28>;
 416                         clocks = <&clocks BCM2835_CLOCK_PWM>;
 417                         assigned-clocks = <&clocks BCM2835_CLOCK_PWM>;
 418                         assigned-clock-rates = <10000000>;
 419                         #pwm-cells = <2>;
 420                         status = "disabled";
 421                 };
 422
 423                 sdhci: mmc@7e300000 {
 424                         compatible = "brcm,bcm2835-sdhci";
 425                         reg = <0x7e300000 0x100>;
 426                         interrupts = <2 30>;
 427                         clocks = <&clocks BCM2835_CLOCK_EMMC>;
 428                         status = "disabled";
 429                 };
 430
 431                 hvs@7e400000 {
 432                         compatible = "brcm,bcm2835-hvs";
 433                         reg = <0x7e400000 0x6000>;
 434                         interrupts = <2 1>;
 435                 };
 436
 437                 dsi1: dsi@7e700000 {
 438                         compatible = "brcm,bcm2835-dsi1";
 439                         reg = <0x7e700000 0x8c>;
 440                         interrupts = <2 12>;
 441                         #address-cells = <1>;
 442                         #size-cells = <0>;
 443                         #clock-cells = <1>;
 444
 445                         clocks = <&clocks BCM2835_PLLD_DSI1>,
 446                                  <&clocks BCM2835_CLOCK_DSI1E>,
 447                                  <&clocks BCM2835_CLOCK_DSI1P>;
 448                         clock-names = "phy", "escape", "pixel";
 449
 450                         clock-output-names = "dsi1_byte",
 451                                              "dsi1_ddr2",
 452                                              "dsi1_ddr";
 453
 454                         status = "disabled";
 455                 };
 456
 457                 i2c1: i2c@7e804000 {
 458                         compatible = "brcm,bcm2835-i2c";
 459                         reg = <0x7e804000 0x1000>;
 460                         interrupts = <2 21>;
 461                         clocks = <&clocks BCM2835_CLOCK_VPU>;
 462                         #address-cells = <1>;
 463                         #size-cells = <0>;
 464                         status = "disabled";
 465                 };
 466
 467                 usb: usb@7e980000 {
 468                         compatible = "brcm,bcm2835-usb";
 469                         reg = <0x7e980000 0x10000>;
 470                         interrupts = <1 9>;
 471                         #address-cells = <1>;
 472                         #size-cells = <0>;
 473                         clocks = <&clk_usb>;
 474                         clock-names = "otg";
 475                         phys = <&usbphy>;
 476                         phy-names = "usb2-phy";
 477                 };
 478         };
 479
 480         clocks {
 481                 /* The oscillator is the root of the clock tree. */
 482                 clk_osc: clk-osc {
 483                         compatible = "fixed-clock";
 484                         #clock-cells = <0>;
 485                         clock-output-names = "osc";
 486                         clock-frequency = <19200000>;
 487                 };
 488
 489                 clk_usb: clk-usb {
 490                         compatible = "fixed-clock";
 491                         #clock-cells = <0>;
 492                         clock-output-names = "otg";
 493                         clock-frequency = <480000000>;
 494                 };
 495         };
 496
 497         usbphy: phy {
 498                 compatible = "usb-nop-xceiv";
 499                 #phy-cells = <0>;
 500         };
 501 };