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 gpio-ranges = <&gpio 0 0 54>; 130 131 /* Defines common pin muxing groups 132 * 133 * While each pin can have its mux selected 134 * for various functions individually, some 135 * groups only make sense to switch to a 136 * particular function together. 137 */ 138 dpi_gpio0: dpi_gpio0 { 139 brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11 140 12 13 14 15 16 17 18 19 141 20 21 22 23 24 25 26 27>; 142 brcm,function = <BCM2835_FSEL_ALT2>; 143 }; 144 emmc_gpio22: emmc_gpio22 { 145 brcm,pins = <22 23 24 25 26 27>; 146 brcm,function = <BCM2835_FSEL_ALT3>; 147 }; 148 emmc_gpio34: emmc_gpio34 { 149 brcm,pins = <34 35 36 37 38 39>; 150 brcm,function = <BCM2835_FSEL_ALT3>; 151 brcm,pull = <BCM2835_PUD_OFF 152 BCM2835_PUD_UP 153 BCM2835_PUD_UP 154 BCM2835_PUD_UP 155 BCM2835_PUD_UP 156 BCM2835_PUD_UP>; 157 }; 158 emmc_gpio48: emmc_gpio48 { 159 brcm,pins = <48 49 50 51 52 53>; 160 brcm,function = <BCM2835_FSEL_ALT3>; 161 }; 162 163 gpclk0_gpio4: gpclk0_gpio4 { 164 brcm,pins = <4>; 165 brcm,function = <BCM2835_FSEL_ALT0>; 166 }; 167 gpclk1_gpio5: gpclk1_gpio5 { 168 brcm,pins = <5>; 169 brcm,function = <BCM2835_FSEL_ALT0>; 170 }; 171 gpclk1_gpio42: gpclk1_gpio42 { 172 brcm,pins = <42>; 173 brcm,function = <BCM2835_FSEL_ALT0>; 174 }; 175 gpclk1_gpio44: gpclk1_gpio44 { 176 brcm,pins = <44>; 177 brcm,function = <BCM2835_FSEL_ALT0>; 178 }; 179 gpclk2_gpio6: gpclk2_gpio6 { 180 brcm,pins = <6>; 181 brcm,function = <BCM2835_FSEL_ALT0>; 182 }; 183 gpclk2_gpio43: gpclk2_gpio43 { 184 brcm,pins = <43>; 185 brcm,function = <BCM2835_FSEL_ALT0>; 186 brcm,pull = <BCM2835_PUD_OFF>; 187 }; 188 189 i2c0_gpio0: i2c0_gpio0 { 190 brcm,pins = <0 1>; 191 brcm,function = <BCM2835_FSEL_ALT0>; 192 }; 193 i2c0_gpio28: i2c0_gpio28 { 194 brcm,pins = <28 29>; 195 brcm,function = <BCM2835_FSEL_ALT0>; 196 }; 197 i2c0_gpio44: i2c0_gpio44 { 198 brcm,pins = <44 45>; 199 brcm,function = <BCM2835_FSEL_ALT1>; 200 }; 201 i2c1_gpio2: i2c1_gpio2 { 202 brcm,pins = <2 3>; 203 brcm,function = <BCM2835_FSEL_ALT0>; 204 }; 205 i2c1_gpio44: i2c1_gpio44 { 206 brcm,pins = <44 45>; 207 brcm,function = <BCM2835_FSEL_ALT2>; 208 }; 209 210 jtag_gpio22: jtag_gpio22 { 211 brcm,pins = <22 23 24 25 26 27>; 212 brcm,function = <BCM2835_FSEL_ALT4>; 213 }; 214 215 pcm_gpio18: pcm_gpio18 { 216 brcm,pins = <18 19 20 21>; 217 brcm,function = <BCM2835_FSEL_ALT0>; 218 }; 219 pcm_gpio28: pcm_gpio28 { 220 brcm,pins = <28 29 30 31>; 221 brcm,function = <BCM2835_FSEL_ALT2>; 222 }; 223 224 sdhost_gpio48: sdhost_gpio48 { 225 brcm,pins = <48 49 50 51 52 53>; 226 brcm,function = <BCM2835_FSEL_ALT0>; 227 }; 228 229 spi0_gpio7: spi0_gpio7 { 230 brcm,pins = <7 8 9 10 11>; 231 brcm,function = <BCM2835_FSEL_ALT0>; 232 }; 233 spi0_gpio35: spi0_gpio35 { 234 brcm,pins = <35 36 37 38 39>; 235 brcm,function = <BCM2835_FSEL_ALT0>; 236 }; 237 spi1_gpio16: spi1_gpio16 { 238 brcm,pins = <16 17 18 19 20 21>; 239 brcm,function = <BCM2835_FSEL_ALT4>; 240 }; 241 spi2_gpio40: spi2_gpio40 { 242 brcm,pins = <40 41 42 43 44 45>; 243 brcm,function = <BCM2835_FSEL_ALT4>; 244 }; 245 246 uart0_gpio14: uart0_gpio14 { 247 brcm,pins = <14 15>; 248 brcm,function = <BCM2835_FSEL_ALT0>; 249 }; 250 /* Separate from the uart0_gpio14 group 251 * because it conflicts with spi1_gpio16, and 252 * people often run uart0 on the two pins 253 * without flow control. 254 */ 255 uart0_ctsrts_gpio16: uart0_ctsrts_gpio16 { 256 brcm,pins = <16 17>; 257 brcm,function = <BCM2835_FSEL_ALT3>; 258 }; 259 uart0_ctsrts_gpio30: uart0_ctsrts_gpio30 { 260 brcm,pins = <30 31>; 261 brcm,function = <BCM2835_FSEL_ALT3>; 262 brcm,pull = <BCM2835_PUD_UP BCM2835_PUD_OFF>; 263 }; 264 uart0_gpio32: uart0_gpio32 { 265 brcm,pins = <32 33>; 266 brcm,function = <BCM2835_FSEL_ALT3>; 267 brcm,pull = <BCM2835_PUD_OFF BCM2835_PUD_UP>; 268 }; 269 uart0_gpio36: uart0_gpio36 { 270 brcm,pins = <36 37>; 271 brcm,function = <BCM2835_FSEL_ALT2>; 272 }; 273 uart0_ctsrts_gpio38: uart0_ctsrts_gpio38 { 274 brcm,pins = <38 39>; 275 brcm,function = <BCM2835_FSEL_ALT2>; 276 }; 277 278 uart1_gpio14: uart1_gpio14 { 279 brcm,pins = <14 15>; 280 brcm,function = <BCM2835_FSEL_ALT5>; 281 }; 282 uart1_ctsrts_gpio16: uart1_ctsrts_gpio16 { 283 brcm,pins = <16 17>; 284 brcm,function = <BCM2835_FSEL_ALT5>; 285 }; 286 uart1_gpio32: uart1_gpio32 { 287 brcm,pins = <32 33>; 288 brcm,function = <BCM2835_FSEL_ALT5>; 289 }; 290 uart1_ctsrts_gpio30: uart1_ctsrts_gpio30 { 291 brcm,pins = <30 31>; 292 brcm,function = <BCM2835_FSEL_ALT5>; 293 }; 294 uart1_gpio40: uart1_gpio40 { 295 brcm,pins = <40 41>; 296 brcm,function = <BCM2835_FSEL_ALT5>; 297 }; 298 uart1_ctsrts_gpio42: uart1_ctsrts_gpio42 { 299 brcm,pins = <42 43>; 300 brcm,function = <BCM2835_FSEL_ALT5>; 301 }; 302 }; 303 304 uart0: serial@7e201000 { 305 compatible = "arm,pl011", "arm,primecell"; 306 reg = <0x7e201000 0x200>; 307 interrupts = <2 25>; 308 clocks = <&clocks BCM2835_CLOCK_UART>, 309 <&clocks BCM2835_CLOCK_VPU>; 310 clock-names = "uartclk", "apb_pclk"; 311 arm,primecell-periphid = <0x00241011>; 312 }; 313 314 sdhost: mmc@7e202000 { 315 compatible = "brcm,bcm2835-sdhost"; 316 reg = <0x7e202000 0x100>; 317 interrupts = <2 24>; 318 clocks = <&clocks BCM2835_CLOCK_VPU>; 319 status = "disabled"; 320 }; 321 322 i2s: i2s@7e203000 { 323 compatible = "brcm,bcm2835-i2s"; 324 reg = <0x7e203000 0x24>; 325 clocks = <&clocks BCM2835_CLOCK_PCM>; 326 status = "disabled"; 327 }; 328 329 spi: spi@7e204000 { 330 compatible = "brcm,bcm2835-spi"; 331 reg = <0x7e204000 0x200>; 332 interrupts = <2 22>; 333 clocks = <&clocks BCM2835_CLOCK_VPU>; 334 #address-cells = <1>; 335 #size-cells = <0>; 336 status = "disabled"; 337 }; 338 339 i2c0: i2c@7e205000 { 340 compatible = "brcm,bcm2835-i2c"; 341 reg = <0x7e205000 0x200>; 342 interrupts = <2 21>; 343 clocks = <&clocks BCM2835_CLOCK_VPU>; 344 #address-cells = <1>; 345 #size-cells = <0>; 346 status = "disabled"; 347 }; 348 349 dpi: dpi@7e208000 { 350 compatible = "brcm,bcm2835-dpi"; 351 reg = <0x7e208000 0x8c>; 352 clocks = <&clocks BCM2835_CLOCK_VPU>, 353 <&clocks BCM2835_CLOCK_DPI>; 354 clock-names = "core", "pixel"; 355 #address-cells = <1>; 356 #size-cells = <0>; 357 status = "disabled"; 358 }; 359 360 dsi0: dsi@7e209000 { 361 compatible = "brcm,bcm2835-dsi0"; 362 reg = <0x7e209000 0x78>; 363 interrupts = <2 4>; 364 #address-cells = <1>; 365 #size-cells = <0>; 366 #clock-cells = <1>; 367 368 clocks = <&clocks BCM2835_PLLA_DSI0>, 369 <&clocks BCM2835_CLOCK_DSI0E>, 370 <&clocks BCM2835_CLOCK_DSI0P>; 371 clock-names = "phy", "escape", "pixel"; 372 373 clock-output-names = "dsi0_byte", 374 "dsi0_ddr2", 375 "dsi0_ddr"; 376 377 status = "disabled"; 378 }; 379 380 aux: aux@7e215000 { 381 compatible = "brcm,bcm2835-aux"; 382 #clock-cells = <1>; 383 reg = <0x7e215000 0x8>; 384 clocks = <&clocks BCM2835_CLOCK_VPU>; 385 }; 386 387 uart1: serial@7e215040 { 388 compatible = "brcm,bcm2835-aux-uart"; 389 reg = <0x7e215040 0x40>; 390 interrupts = <1 29>; 391 clocks = <&aux BCM2835_AUX_CLOCK_UART>; 392 status = "disabled"; 393 }; 394 395 spi1: spi@7e215080 { 396 compatible = "brcm,bcm2835-aux-spi"; 397 reg = <0x7e215080 0x40>; 398 interrupts = <1 29>; 399 clocks = <&aux BCM2835_AUX_CLOCK_SPI1>; 400 #address-cells = <1>; 401 #size-cells = <0>; 402 status = "disabled"; 403 }; 404 405 spi2: spi@7e2150c0 { 406 compatible = "brcm,bcm2835-aux-spi"; 407 reg = <0x7e2150c0 0x40>; 408 interrupts = <1 29>; 409 clocks = <&aux BCM2835_AUX_CLOCK_SPI2>; 410 #address-cells = <1>; 411 #size-cells = <0>; 412 status = "disabled"; 413 }; 414 415 pwm: pwm@7e20c000 { 416 compatible = "brcm,bcm2835-pwm"; 417 reg = <0x7e20c000 0x28>; 418 clocks = <&clocks BCM2835_CLOCK_PWM>; 419 assigned-clocks = <&clocks BCM2835_CLOCK_PWM>; 420 assigned-clock-rates = <10000000>; 421 #pwm-cells = <2>; 422 status = "disabled"; 423 }; 424 425 sdhci: mmc@7e300000 { 426 compatible = "brcm,bcm2835-sdhci"; 427 reg = <0x7e300000 0x100>; 428 interrupts = <2 30>; 429 clocks = <&clocks BCM2835_CLOCK_EMMC>; 430 status = "disabled"; 431 }; 432 433 hvs@7e400000 { 434 compatible = "brcm,bcm2835-hvs"; 435 reg = <0x7e400000 0x6000>; 436 interrupts = <2 1>; 437 }; 438 439 dsi1: dsi@7e700000 { 440 compatible = "brcm,bcm2835-dsi1"; 441 reg = <0x7e700000 0x8c>; 442 interrupts = <2 12>; 443 #address-cells = <1>; 444 #size-cells = <0>; 445 #clock-cells = <1>; 446 447 clocks = <&clocks BCM2835_PLLD_DSI1>, 448 <&clocks BCM2835_CLOCK_DSI1E>, 449 <&clocks BCM2835_CLOCK_DSI1P>; 450 clock-names = "phy", "escape", "pixel"; 451 452 clock-output-names = "dsi1_byte", 453 "dsi1_ddr2", 454 "dsi1_ddr"; 455 456 status = "disabled"; 457 }; 458 459 i2c1: i2c@7e804000 { 460 compatible = "brcm,bcm2835-i2c"; 461 reg = <0x7e804000 0x1000>; 462 interrupts = <2 21>; 463 clocks = <&clocks BCM2835_CLOCK_VPU>; 464 #address-cells = <1>; 465 #size-cells = <0>; 466 status = "disabled"; 467 }; 468 469 usb: usb@7e980000 { 470 compatible = "brcm,bcm2835-usb"; 471 reg = <0x7e980000 0x10000>; 472 interrupts = <1 9>; 473 #address-cells = <1>; 474 #size-cells = <0>; 475 clocks = <&clk_usb>; 476 clock-names = "otg"; 477 phys = <&usbphy>; 478 phy-names = "usb2-phy"; 479 }; 480 }; 481 482 clocks { 483 /* The oscillator is the root of the clock tree. */ 484 clk_osc: clk-osc { 485 compatible = "fixed-clock"; 486 #clock-cells = <0>; 487 clock-output-names = "osc"; 488 clock-frequency = <19200000>; 489 }; 490 491 clk_usb: clk-usb { 492 compatible = "fixed-clock"; 493 #clock-cells = <0>; 494 clock-output-names = "otg"; 495 clock-frequency = <480000000>; 496 }; 497 }; 498 499 usbphy: phy { 500 compatible = "usb-nop-xceiv"; 501 #phy-cells = <0>; 502 }; 503}; 504