1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/module.h> 3 #include <linux/kernel.h> 4 #include <linux/init.h> 5 #include <linux/platform_device.h> 6 #include <linux/clkdev.h> 7 #include <linux/clk-provider.h> 8 #include <linux/dma-mapping.h> 9 #include <linux/dmaengine.h> 10 #include <linux/gpio-pxa.h> 11 #include <linux/platform_data/i2c-pxa.h> 12 #include <linux/soc/pxa/cpu.h> 13 14 #include "udc.h" 15 #include <linux/platform_data/video-pxafb.h> 16 #include <linux/platform_data/mmc-pxamci.h> 17 #include "irqs.h" 18 #include <linux/platform_data/usb-ohci-pxa27x.h> 19 #include <linux/platform_data/mmp_dma.h> 20 21 #include "mfp-pxa2xx.h" 22 #include "regs-ost.h" 23 #include "reset.h" 24 #include "devices.h" 25 #include "generic.h" 26 27 void __init pxa_register_device(struct platform_device *dev, void *data) 28 { 29 int ret; 30 31 dev->dev.platform_data = data; 32 33 ret = platform_device_register(dev); 34 if (ret) 35 dev_err(&dev->dev, "unable to register device: %d\n", ret); 36 } 37 38 static struct resource pxa_resource_pmu = { 39 .start = IRQ_PMU, 40 .end = IRQ_PMU, 41 .flags = IORESOURCE_IRQ, 42 }; 43 44 struct platform_device pxa_device_pmu = { 45 .name = "xscale-pmu", 46 .id = -1, 47 .resource = &pxa_resource_pmu, 48 .num_resources = 1, 49 }; 50 51 static const struct resource pxamci_resources[] = { 52 [0] = { 53 .start = 0x41100000, 54 .end = 0x41100fff, 55 .flags = IORESOURCE_MEM, 56 }, 57 [1] = { 58 .start = IRQ_MMC, 59 .end = IRQ_MMC, 60 .flags = IORESOURCE_IRQ, 61 }, 62 }; 63 64 void __init pxa_set_mci_info(const struct pxamci_platform_data *info, 65 const struct property_entry *props) 66 { 67 const struct platform_device_info mci_info = { 68 .name = "pxa2xx-mci", 69 .id = 0, 70 .res = pxamci_resources, 71 .num_res = ARRAY_SIZE(pxamci_resources), 72 .data = info, 73 .size_data = sizeof(*info), 74 .dma_mask = 0xffffffffUL, 75 .properties = props, 76 }; 77 struct platform_device *mci_dev; 78 int err; 79 80 mci_dev = platform_device_register_full(&mci_info); 81 err = PTR_ERR_OR_ZERO(mci_dev); 82 if (err) 83 pr_err("Unable to create mci device: %d\n", err); 84 } 85 86 static struct pxa2xx_udc_mach_info pxa_udc_info = { 87 .gpio_pullup = -1, 88 }; 89 90 static struct resource pxa2xx_udc_resources[] = { 91 [0] = { 92 .start = 0x40600000, 93 .end = 0x4060ffff, 94 .flags = IORESOURCE_MEM, 95 }, 96 [1] = { 97 .start = IRQ_USB, 98 .end = IRQ_USB, 99 .flags = IORESOURCE_IRQ, 100 }, 101 }; 102 103 static u64 udc_dma_mask = ~(u32)0; 104 105 struct platform_device pxa25x_device_udc = { 106 .name = "pxa25x-udc", 107 .id = -1, 108 .resource = pxa2xx_udc_resources, 109 .num_resources = ARRAY_SIZE(pxa2xx_udc_resources), 110 .dev = { 111 .platform_data = &pxa_udc_info, 112 .dma_mask = &udc_dma_mask, 113 } 114 }; 115 116 struct platform_device pxa27x_device_udc = { 117 .name = "pxa27x-udc", 118 .id = -1, 119 .resource = pxa2xx_udc_resources, 120 .num_resources = ARRAY_SIZE(pxa2xx_udc_resources), 121 .dev = { 122 .platform_data = &pxa_udc_info, 123 .dma_mask = &udc_dma_mask, 124 } 125 }; 126 127 static struct resource pxafb_resources[] = { 128 [0] = { 129 .start = 0x44000000, 130 .end = 0x4400ffff, 131 .flags = IORESOURCE_MEM, 132 }, 133 [1] = { 134 .start = IRQ_LCD, 135 .end = IRQ_LCD, 136 .flags = IORESOURCE_IRQ, 137 }, 138 }; 139 140 static u64 fb_dma_mask = ~(u64)0; 141 142 struct platform_device pxa_device_fb = { 143 .name = "pxa2xx-fb", 144 .id = -1, 145 .dev = { 146 .dma_mask = &fb_dma_mask, 147 .coherent_dma_mask = 0xffffffff, 148 }, 149 .num_resources = ARRAY_SIZE(pxafb_resources), 150 .resource = pxafb_resources, 151 }; 152 153 void __init pxa_set_fb_info(struct device *parent, struct pxafb_mach_info *info) 154 { 155 pxa_device_fb.dev.parent = parent; 156 pxa_register_device(&pxa_device_fb, info); 157 } 158 159 static struct resource pxa_resource_ffuart[] = { 160 { 161 .start = 0x40100000, 162 .end = 0x40100023, 163 .flags = IORESOURCE_MEM, 164 }, { 165 .start = IRQ_FFUART, 166 .end = IRQ_FFUART, 167 .flags = IORESOURCE_IRQ, 168 } 169 }; 170 171 struct platform_device pxa_device_ffuart = { 172 .name = "pxa2xx-uart", 173 .id = 0, 174 .resource = pxa_resource_ffuart, 175 .num_resources = ARRAY_SIZE(pxa_resource_ffuart), 176 }; 177 178 void __init pxa_set_ffuart_info(void *info) 179 { 180 pxa_register_device(&pxa_device_ffuart, info); 181 } 182 183 static struct resource pxa_resource_btuart[] = { 184 { 185 .start = 0x40200000, 186 .end = 0x40200023, 187 .flags = IORESOURCE_MEM, 188 }, { 189 .start = IRQ_BTUART, 190 .end = IRQ_BTUART, 191 .flags = IORESOURCE_IRQ, 192 } 193 }; 194 195 struct platform_device pxa_device_btuart = { 196 .name = "pxa2xx-uart", 197 .id = 1, 198 .resource = pxa_resource_btuart, 199 .num_resources = ARRAY_SIZE(pxa_resource_btuart), 200 }; 201 202 void __init pxa_set_btuart_info(void *info) 203 { 204 pxa_register_device(&pxa_device_btuart, info); 205 } 206 207 static struct resource pxa_resource_stuart[] = { 208 { 209 .start = 0x40700000, 210 .end = 0x40700023, 211 .flags = IORESOURCE_MEM, 212 }, { 213 .start = IRQ_STUART, 214 .end = IRQ_STUART, 215 .flags = IORESOURCE_IRQ, 216 } 217 }; 218 219 struct platform_device pxa_device_stuart = { 220 .name = "pxa2xx-uart", 221 .id = 2, 222 .resource = pxa_resource_stuart, 223 .num_resources = ARRAY_SIZE(pxa_resource_stuart), 224 }; 225 226 void __init pxa_set_stuart_info(void *info) 227 { 228 pxa_register_device(&pxa_device_stuart, info); 229 } 230 231 static struct resource pxa_resource_hwuart[] = { 232 { 233 .start = 0x41600000, 234 .end = 0x4160002F, 235 .flags = IORESOURCE_MEM, 236 }, { 237 .start = IRQ_HWUART, 238 .end = IRQ_HWUART, 239 .flags = IORESOURCE_IRQ, 240 } 241 }; 242 243 struct platform_device pxa_device_hwuart = { 244 .name = "pxa2xx-uart", 245 .id = 3, 246 .resource = pxa_resource_hwuart, 247 .num_resources = ARRAY_SIZE(pxa_resource_hwuart), 248 }; 249 250 void __init pxa_set_hwuart_info(void *info) 251 { 252 if (cpu_is_pxa255()) 253 pxa_register_device(&pxa_device_hwuart, info); 254 else 255 pr_info("UART: Ignoring attempt to register HWUART on non-PXA255 hardware"); 256 } 257 258 static struct resource pxai2c_resources[] = { 259 { 260 .start = 0x40301680, 261 .end = 0x403016a3, 262 .flags = IORESOURCE_MEM, 263 }, { 264 .start = IRQ_I2C, 265 .end = IRQ_I2C, 266 .flags = IORESOURCE_IRQ, 267 }, 268 }; 269 270 struct platform_device pxa_device_i2c = { 271 .name = "pxa2xx-i2c", 272 .id = 0, 273 .resource = pxai2c_resources, 274 .num_resources = ARRAY_SIZE(pxai2c_resources), 275 }; 276 277 void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info) 278 { 279 pxa_register_device(&pxa_device_i2c, info); 280 } 281 282 #ifdef CONFIG_PXA27x 283 static struct resource pxa27x_resources_i2c_power[] = { 284 { 285 .start = 0x40f00180, 286 .end = 0x40f001a3, 287 .flags = IORESOURCE_MEM, 288 }, { 289 .start = IRQ_PWRI2C, 290 .end = IRQ_PWRI2C, 291 .flags = IORESOURCE_IRQ, 292 }, 293 }; 294 295 struct platform_device pxa27x_device_i2c_power = { 296 .name = "pxa2xx-i2c", 297 .id = 1, 298 .resource = pxa27x_resources_i2c_power, 299 .num_resources = ARRAY_SIZE(pxa27x_resources_i2c_power), 300 }; 301 #endif 302 303 static struct resource pxai2s_resources[] = { 304 { 305 .start = 0x40400000, 306 .end = 0x40400083, 307 .flags = IORESOURCE_MEM, 308 }, { 309 .start = IRQ_I2S, 310 .end = IRQ_I2S, 311 .flags = IORESOURCE_IRQ, 312 }, 313 }; 314 315 struct platform_device pxa_device_i2s = { 316 .name = "pxa2xx-i2s", 317 .id = -1, 318 .resource = pxai2s_resources, 319 .num_resources = ARRAY_SIZE(pxai2s_resources), 320 }; 321 322 struct platform_device pxa_device_asoc_ssp1 = { 323 .name = "pxa-ssp-dai", 324 .id = 0, 325 }; 326 327 struct platform_device pxa_device_asoc_ssp2= { 328 .name = "pxa-ssp-dai", 329 .id = 1, 330 }; 331 332 struct platform_device pxa_device_asoc_ssp3 = { 333 .name = "pxa-ssp-dai", 334 .id = 2, 335 }; 336 337 struct platform_device pxa_device_asoc_ssp4 = { 338 .name = "pxa-ssp-dai", 339 .id = 3, 340 }; 341 342 struct platform_device pxa_device_asoc_platform = { 343 .name = "pxa-pcm-audio", 344 .id = -1, 345 }; 346 347 static struct resource pxa_rtc_resources[] = { 348 [0] = { 349 .start = 0x40900000, 350 .end = 0x40900000 + 0x3b, 351 .flags = IORESOURCE_MEM, 352 }, 353 [1] = { 354 .start = IRQ_RTC1Hz, 355 .end = IRQ_RTC1Hz, 356 .name = "rtc 1Hz", 357 .flags = IORESOURCE_IRQ, 358 }, 359 [2] = { 360 .start = IRQ_RTCAlrm, 361 .end = IRQ_RTCAlrm, 362 .name = "rtc alarm", 363 .flags = IORESOURCE_IRQ, 364 }, 365 }; 366 367 struct platform_device pxa_device_rtc = { 368 .name = "pxa-rtc", 369 .id = -1, 370 .num_resources = ARRAY_SIZE(pxa_rtc_resources), 371 .resource = pxa_rtc_resources, 372 }; 373 374 struct platform_device sa1100_device_rtc = { 375 .name = "sa1100-rtc", 376 .id = -1, 377 .num_resources = ARRAY_SIZE(pxa_rtc_resources), 378 .resource = pxa_rtc_resources, 379 }; 380 381 #ifdef CONFIG_PXA25x 382 383 static struct resource pxa25x_resource_pwm0[] = { 384 [0] = { 385 .start = 0x40b00000, 386 .end = 0x40b0000f, 387 .flags = IORESOURCE_MEM, 388 }, 389 }; 390 391 struct platform_device pxa25x_device_pwm0 = { 392 .name = "pxa25x-pwm", 393 .id = 0, 394 .resource = pxa25x_resource_pwm0, 395 .num_resources = ARRAY_SIZE(pxa25x_resource_pwm0), 396 }; 397 398 static struct resource pxa25x_resource_pwm1[] = { 399 [0] = { 400 .start = 0x40c00000, 401 .end = 0x40c0000f, 402 .flags = IORESOURCE_MEM, 403 }, 404 }; 405 406 struct platform_device pxa25x_device_pwm1 = { 407 .name = "pxa25x-pwm", 408 .id = 1, 409 .resource = pxa25x_resource_pwm1, 410 .num_resources = ARRAY_SIZE(pxa25x_resource_pwm1), 411 }; 412 413 static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32); 414 415 static struct resource pxa25x_resource_ssp[] = { 416 [0] = { 417 .start = 0x41000000, 418 .end = 0x4100001f, 419 .flags = IORESOURCE_MEM, 420 }, 421 [1] = { 422 .start = IRQ_SSP, 423 .end = IRQ_SSP, 424 .flags = IORESOURCE_IRQ, 425 }, 426 }; 427 428 struct platform_device pxa25x_device_ssp = { 429 .name = "pxa25x-ssp", 430 .id = 0, 431 .dev = { 432 .dma_mask = &pxa25x_ssp_dma_mask, 433 .coherent_dma_mask = DMA_BIT_MASK(32), 434 }, 435 .resource = pxa25x_resource_ssp, 436 .num_resources = ARRAY_SIZE(pxa25x_resource_ssp), 437 }; 438 439 static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32); 440 441 static struct resource pxa25x_resource_nssp[] = { 442 [0] = { 443 .start = 0x41400000, 444 .end = 0x4140002f, 445 .flags = IORESOURCE_MEM, 446 }, 447 [1] = { 448 .start = IRQ_NSSP, 449 .end = IRQ_NSSP, 450 .flags = IORESOURCE_IRQ, 451 }, 452 }; 453 454 struct platform_device pxa25x_device_nssp = { 455 .name = "pxa25x-nssp", 456 .id = 1, 457 .dev = { 458 .dma_mask = &pxa25x_nssp_dma_mask, 459 .coherent_dma_mask = DMA_BIT_MASK(32), 460 }, 461 .resource = pxa25x_resource_nssp, 462 .num_resources = ARRAY_SIZE(pxa25x_resource_nssp), 463 }; 464 465 static u64 pxa25x_assp_dma_mask = DMA_BIT_MASK(32); 466 467 static struct resource pxa25x_resource_assp[] = { 468 [0] = { 469 .start = 0x41500000, 470 .end = 0x4150002f, 471 .flags = IORESOURCE_MEM, 472 }, 473 [1] = { 474 .start = IRQ_ASSP, 475 .end = IRQ_ASSP, 476 .flags = IORESOURCE_IRQ, 477 }, 478 }; 479 480 struct platform_device pxa25x_device_assp = { 481 /* ASSP is basically equivalent to NSSP */ 482 .name = "pxa25x-nssp", 483 .id = 2, 484 .dev = { 485 .dma_mask = &pxa25x_assp_dma_mask, 486 .coherent_dma_mask = DMA_BIT_MASK(32), 487 }, 488 .resource = pxa25x_resource_assp, 489 .num_resources = ARRAY_SIZE(pxa25x_resource_assp), 490 }; 491 #endif /* CONFIG_PXA25x */ 492 493 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) 494 static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32); 495 496 static struct resource pxa27x_resource_ohci[] = { 497 [0] = { 498 .start = 0x4C000000, 499 .end = 0x4C00ff6f, 500 .flags = IORESOURCE_MEM, 501 }, 502 [1] = { 503 .start = IRQ_USBH1, 504 .end = IRQ_USBH1, 505 .flags = IORESOURCE_IRQ, 506 }, 507 }; 508 509 struct platform_device pxa27x_device_ohci = { 510 .name = "pxa27x-ohci", 511 .id = -1, 512 .dev = { 513 .dma_mask = &pxa27x_ohci_dma_mask, 514 .coherent_dma_mask = DMA_BIT_MASK(32), 515 }, 516 .num_resources = ARRAY_SIZE(pxa27x_resource_ohci), 517 .resource = pxa27x_resource_ohci, 518 }; 519 520 void __init pxa_set_ohci_info(struct pxaohci_platform_data *info) 521 { 522 pxa_register_device(&pxa27x_device_ohci, info); 523 } 524 #endif /* CONFIG_PXA27x || CONFIG_PXA3xx */ 525 526 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) 527 static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32); 528 529 static struct resource pxa27x_resource_ssp1[] = { 530 [0] = { 531 .start = 0x41000000, 532 .end = 0x4100003f, 533 .flags = IORESOURCE_MEM, 534 }, 535 [1] = { 536 .start = IRQ_SSP, 537 .end = IRQ_SSP, 538 .flags = IORESOURCE_IRQ, 539 }, 540 }; 541 542 struct platform_device pxa27x_device_ssp1 = { 543 .name = "pxa27x-ssp", 544 .id = 0, 545 .dev = { 546 .dma_mask = &pxa27x_ssp1_dma_mask, 547 .coherent_dma_mask = DMA_BIT_MASK(32), 548 }, 549 .resource = pxa27x_resource_ssp1, 550 .num_resources = ARRAY_SIZE(pxa27x_resource_ssp1), 551 }; 552 553 static u64 pxa27x_ssp2_dma_mask = DMA_BIT_MASK(32); 554 555 static struct resource pxa27x_resource_ssp2[] = { 556 [0] = { 557 .start = 0x41700000, 558 .end = 0x4170003f, 559 .flags = IORESOURCE_MEM, 560 }, 561 [1] = { 562 .start = IRQ_SSP2, 563 .end = IRQ_SSP2, 564 .flags = IORESOURCE_IRQ, 565 }, 566 }; 567 568 struct platform_device pxa27x_device_ssp2 = { 569 .name = "pxa27x-ssp", 570 .id = 1, 571 .dev = { 572 .dma_mask = &pxa27x_ssp2_dma_mask, 573 .coherent_dma_mask = DMA_BIT_MASK(32), 574 }, 575 .resource = pxa27x_resource_ssp2, 576 .num_resources = ARRAY_SIZE(pxa27x_resource_ssp2), 577 }; 578 579 static u64 pxa27x_ssp3_dma_mask = DMA_BIT_MASK(32); 580 581 static struct resource pxa27x_resource_ssp3[] = { 582 [0] = { 583 .start = 0x41900000, 584 .end = 0x4190003f, 585 .flags = IORESOURCE_MEM, 586 }, 587 [1] = { 588 .start = IRQ_SSP3, 589 .end = IRQ_SSP3, 590 .flags = IORESOURCE_IRQ, 591 }, 592 }; 593 594 struct platform_device pxa27x_device_ssp3 = { 595 .name = "pxa27x-ssp", 596 .id = 2, 597 .dev = { 598 .dma_mask = &pxa27x_ssp3_dma_mask, 599 .coherent_dma_mask = DMA_BIT_MASK(32), 600 }, 601 .resource = pxa27x_resource_ssp3, 602 .num_resources = ARRAY_SIZE(pxa27x_resource_ssp3), 603 }; 604 605 static struct resource pxa27x_resource_pwm0[] = { 606 [0] = { 607 .start = 0x40b00000, 608 .end = 0x40b0001f, 609 .flags = IORESOURCE_MEM, 610 }, 611 }; 612 613 struct platform_device pxa27x_device_pwm0 = { 614 .name = "pxa27x-pwm", 615 .id = 0, 616 .resource = pxa27x_resource_pwm0, 617 .num_resources = ARRAY_SIZE(pxa27x_resource_pwm0), 618 }; 619 620 static struct resource pxa27x_resource_pwm1[] = { 621 [0] = { 622 .start = 0x40c00000, 623 .end = 0x40c0001f, 624 .flags = IORESOURCE_MEM, 625 }, 626 }; 627 628 struct platform_device pxa27x_device_pwm1 = { 629 .name = "pxa27x-pwm", 630 .id = 1, 631 .resource = pxa27x_resource_pwm1, 632 .num_resources = ARRAY_SIZE(pxa27x_resource_pwm1), 633 }; 634 #endif /* CONFIG_PXA27x || CONFIG_PXA3xx */ 635 636 #if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x) 637 const struct software_node pxa2xx_gpiochip_node = { 638 .name = "gpio-pxa", 639 }; 640 641 struct resource pxa_resource_gpio[] = { 642 { 643 .start = 0x40e00000, 644 .end = 0x40e0ffff, 645 .flags = IORESOURCE_MEM, 646 }, { 647 .start = IRQ_GPIO0, 648 .end = IRQ_GPIO0, 649 .name = "gpio0", 650 .flags = IORESOURCE_IRQ, 651 }, { 652 .start = IRQ_GPIO1, 653 .end = IRQ_GPIO1, 654 .name = "gpio1", 655 .flags = IORESOURCE_IRQ, 656 }, { 657 .start = IRQ_GPIO_2_x, 658 .end = IRQ_GPIO_2_x, 659 .name = "gpio_mux", 660 .flags = IORESOURCE_IRQ, 661 }, 662 }; 663 664 static struct pxa_gpio_platform_data pxa2xx_gpio_info = { 665 .irq_base = PXA_GPIO_TO_IRQ(0), 666 .gpio_set_wake = gpio_set_wake, 667 }; 668 669 struct platform_device pxa25x_device_gpio = { 670 .name = "pxa25x-gpio", 671 .id = -1, 672 .num_resources = ARRAY_SIZE(pxa_resource_gpio), 673 .resource = pxa_resource_gpio, 674 .dev = { 675 .platform_data = &pxa2xx_gpio_info, 676 }, 677 }; 678 679 struct platform_device pxa27x_device_gpio = { 680 .name = "pxa27x-gpio", 681 .id = -1, 682 .num_resources = ARRAY_SIZE(pxa_resource_gpio), 683 .resource = pxa_resource_gpio, 684 .dev = { 685 .platform_data = &pxa2xx_gpio_info, 686 }, 687 }; 688 #endif /* CONFIG_PXA25x || CONFIG_PXA27x */ 689 690 static struct resource pxa_dma_resource[] = { 691 [0] = { 692 .start = 0x40000000, 693 .end = 0x4000ffff, 694 .flags = IORESOURCE_MEM, 695 }, 696 [1] = { 697 .start = IRQ_DMA, 698 .end = IRQ_DMA, 699 .flags = IORESOURCE_IRQ, 700 }, 701 }; 702 703 static u64 pxadma_dmamask = 0xffffffffUL; 704 705 static struct platform_device pxa2xx_pxa_dma = { 706 .name = "pxa-dma", 707 .id = 0, 708 .dev = { 709 .dma_mask = &pxadma_dmamask, 710 .coherent_dma_mask = 0xffffffff, 711 }, 712 .num_resources = ARRAY_SIZE(pxa_dma_resource), 713 .resource = pxa_dma_resource, 714 }; 715 716 void __init pxa2xx_set_dmac_info(struct mmp_dma_platdata *dma_pdata) 717 { 718 pxa_register_device(&pxa2xx_pxa_dma, dma_pdata); 719 } 720 721 void __init pxa_register_wdt(unsigned int reset_status) 722 { 723 struct resource res = DEFINE_RES_MEM(OST_PHYS, OST_LEN); 724 725 reset_status &= RESET_STATUS_WATCHDOG; 726 platform_device_register_resndata(NULL, "sa1100_wdt", -1, &res, 1, 727 &reset_status, sizeof(reset_status)); 728 } 729