1 /* 2 * linux/arch/arm/mach-omap2/devices.c 3 * 4 * OMAP2 platform device setup/initialization 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 */ 11 #include <linux/gpio.h> 12 #include <linux/kernel.h> 13 #include <linux/init.h> 14 #include <linux/platform_device.h> 15 #include <linux/io.h> 16 #include <linux/clk.h> 17 #include <linux/err.h> 18 #include <linux/slab.h> 19 #include <linux/of.h> 20 #include <linux/platform_data/omap4-keypad.h> 21 22 #include <mach/hardware.h> 23 #include <mach/irqs.h> 24 #include <asm/mach-types.h> 25 #include <asm/mach/map.h> 26 #include <asm/pmu.h> 27 28 #include "iomap.h" 29 #include <plat/board.h> 30 #include <plat/dma.h> 31 #include <plat/omap_hwmod.h> 32 #include <plat/omap_device.h> 33 #include <plat/omap4-keypad.h> 34 35 #include "mux.h" 36 #include "control.h" 37 #include "devices.h" 38 39 #define L3_MODULES_MAX_LEN 12 40 #define L3_MODULES 3 41 42 static int __init omap3_l3_init(void) 43 { 44 struct omap_hwmod *oh; 45 struct platform_device *pdev; 46 char oh_name[L3_MODULES_MAX_LEN]; 47 48 /* 49 * To avoid code running on other OMAPs in 50 * multi-omap builds 51 */ 52 if (!(cpu_is_omap34xx())) 53 return -ENODEV; 54 55 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main"); 56 57 oh = omap_hwmod_lookup(oh_name); 58 59 if (!oh) 60 pr_err("could not look up %s\n", oh_name); 61 62 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0, 63 NULL, 0, 0); 64 65 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); 66 67 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; 68 } 69 postcore_initcall(omap3_l3_init); 70 71 static int __init omap4_l3_init(void) 72 { 73 int i; 74 struct omap_hwmod *oh[3]; 75 struct platform_device *pdev; 76 char oh_name[L3_MODULES_MAX_LEN]; 77 78 /* If dtb is there, the devices will be created dynamically */ 79 if (of_have_populated_dt()) 80 return -ENODEV; 81 82 /* 83 * To avoid code running on other OMAPs in 84 * multi-omap builds 85 */ 86 if (!cpu_is_omap44xx() && !soc_is_omap54xx()) 87 return -ENODEV; 88 89 for (i = 0; i < L3_MODULES; i++) { 90 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1); 91 92 oh[i] = omap_hwmod_lookup(oh_name); 93 if (!(oh[i])) 94 pr_err("could not look up %s\n", oh_name); 95 } 96 97 pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 98 0, NULL, 0, 0); 99 100 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); 101 102 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; 103 } 104 postcore_initcall(omap4_l3_init); 105 106 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) 107 108 static struct resource omap2cam_resources[] = { 109 { 110 .start = OMAP24XX_CAMERA_BASE, 111 .end = OMAP24XX_CAMERA_BASE + 0xfff, 112 .flags = IORESOURCE_MEM, 113 }, 114 { 115 .start = INT_24XX_CAM_IRQ, 116 .flags = IORESOURCE_IRQ, 117 } 118 }; 119 120 static struct platform_device omap2cam_device = { 121 .name = "omap24xxcam", 122 .id = -1, 123 .num_resources = ARRAY_SIZE(omap2cam_resources), 124 .resource = omap2cam_resources, 125 }; 126 #endif 127 128 #if defined(CONFIG_IOMMU_API) 129 130 #include <plat/iommu.h> 131 132 static struct resource omap3isp_resources[] = { 133 { 134 .start = OMAP3430_ISP_BASE, 135 .end = OMAP3430_ISP_END, 136 .flags = IORESOURCE_MEM, 137 }, 138 { 139 .start = OMAP3430_ISP_CCP2_BASE, 140 .end = OMAP3430_ISP_CCP2_END, 141 .flags = IORESOURCE_MEM, 142 }, 143 { 144 .start = OMAP3430_ISP_CCDC_BASE, 145 .end = OMAP3430_ISP_CCDC_END, 146 .flags = IORESOURCE_MEM, 147 }, 148 { 149 .start = OMAP3430_ISP_HIST_BASE, 150 .end = OMAP3430_ISP_HIST_END, 151 .flags = IORESOURCE_MEM, 152 }, 153 { 154 .start = OMAP3430_ISP_H3A_BASE, 155 .end = OMAP3430_ISP_H3A_END, 156 .flags = IORESOURCE_MEM, 157 }, 158 { 159 .start = OMAP3430_ISP_PREV_BASE, 160 .end = OMAP3430_ISP_PREV_END, 161 .flags = IORESOURCE_MEM, 162 }, 163 { 164 .start = OMAP3430_ISP_RESZ_BASE, 165 .end = OMAP3430_ISP_RESZ_END, 166 .flags = IORESOURCE_MEM, 167 }, 168 { 169 .start = OMAP3430_ISP_SBL_BASE, 170 .end = OMAP3430_ISP_SBL_END, 171 .flags = IORESOURCE_MEM, 172 }, 173 { 174 .start = OMAP3430_ISP_CSI2A_REGS1_BASE, 175 .end = OMAP3430_ISP_CSI2A_REGS1_END, 176 .flags = IORESOURCE_MEM, 177 }, 178 { 179 .start = OMAP3430_ISP_CSIPHY2_BASE, 180 .end = OMAP3430_ISP_CSIPHY2_END, 181 .flags = IORESOURCE_MEM, 182 }, 183 { 184 .start = OMAP3630_ISP_CSI2A_REGS2_BASE, 185 .end = OMAP3630_ISP_CSI2A_REGS2_END, 186 .flags = IORESOURCE_MEM, 187 }, 188 { 189 .start = OMAP3630_ISP_CSI2C_REGS1_BASE, 190 .end = OMAP3630_ISP_CSI2C_REGS1_END, 191 .flags = IORESOURCE_MEM, 192 }, 193 { 194 .start = OMAP3630_ISP_CSIPHY1_BASE, 195 .end = OMAP3630_ISP_CSIPHY1_END, 196 .flags = IORESOURCE_MEM, 197 }, 198 { 199 .start = OMAP3630_ISP_CSI2C_REGS2_BASE, 200 .end = OMAP3630_ISP_CSI2C_REGS2_END, 201 .flags = IORESOURCE_MEM, 202 }, 203 { 204 .start = INT_34XX_CAM_IRQ, 205 .flags = IORESOURCE_IRQ, 206 } 207 }; 208 209 static struct platform_device omap3isp_device = { 210 .name = "omap3isp", 211 .id = -1, 212 .num_resources = ARRAY_SIZE(omap3isp_resources), 213 .resource = omap3isp_resources, 214 }; 215 216 static struct omap_iommu_arch_data omap3_isp_iommu = { 217 .name = "isp", 218 }; 219 220 int omap3_init_camera(struct isp_platform_data *pdata) 221 { 222 omap3isp_device.dev.platform_data = pdata; 223 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu; 224 225 return platform_device_register(&omap3isp_device); 226 } 227 228 #else /* !CONFIG_IOMMU_API */ 229 230 int omap3_init_camera(struct isp_platform_data *pdata) 231 { 232 return 0; 233 } 234 235 #endif 236 237 static inline void omap_init_camera(void) 238 { 239 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) 240 if (cpu_is_omap24xx()) 241 platform_device_register(&omap2cam_device); 242 #endif 243 } 244 245 int __init omap4_keyboard_init(struct omap4_keypad_platform_data 246 *sdp4430_keypad_data, struct omap_board_data *bdata) 247 { 248 struct platform_device *pdev; 249 struct omap_hwmod *oh; 250 struct omap4_keypad_platform_data *keypad_data; 251 unsigned int id = -1; 252 char *oh_name = "kbd"; 253 char *name = "omap4-keypad"; 254 255 oh = omap_hwmod_lookup(oh_name); 256 if (!oh) { 257 pr_err("Could not look up %s\n", oh_name); 258 return -ENODEV; 259 } 260 261 keypad_data = sdp4430_keypad_data; 262 263 pdev = omap_device_build(name, id, oh, keypad_data, 264 sizeof(struct omap4_keypad_platform_data), NULL, 0, 0); 265 266 if (IS_ERR(pdev)) { 267 WARN(1, "Can't build omap_device for %s:%s.\n", 268 name, oh->name); 269 return PTR_ERR(pdev); 270 } 271 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt); 272 273 return 0; 274 } 275 276 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE) 277 static inline void __init omap_init_mbox(void) 278 { 279 struct omap_hwmod *oh; 280 struct platform_device *pdev; 281 282 oh = omap_hwmod_lookup("mailbox"); 283 if (!oh) { 284 pr_err("%s: unable to find hwmod\n", __func__); 285 return; 286 } 287 288 pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0, NULL, 0, 0); 289 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", 290 __func__, PTR_ERR(pdev)); 291 } 292 #else 293 static inline void omap_init_mbox(void) { } 294 #endif /* CONFIG_OMAP_MBOX_FWK */ 295 296 static inline void omap_init_sti(void) {} 297 298 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) 299 300 static struct platform_device omap_pcm = { 301 .name = "omap-pcm-audio", 302 .id = -1, 303 }; 304 305 static void omap_init_audio(void) 306 { 307 platform_device_register(&omap_pcm); 308 } 309 310 #else 311 static inline void omap_init_audio(void) {} 312 #endif 313 314 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ 315 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) 316 317 static void __init omap_init_mcpdm(void) 318 { 319 struct omap_hwmod *oh; 320 struct platform_device *pdev; 321 322 oh = omap_hwmod_lookup("mcpdm"); 323 if (!oh) { 324 printk(KERN_ERR "Could not look up mcpdm hw_mod\n"); 325 return; 326 } 327 328 pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0, NULL, 0, 0); 329 WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n"); 330 } 331 #else 332 static inline void omap_init_mcpdm(void) {} 333 #endif 334 335 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \ 336 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE) 337 338 static void __init omap_init_dmic(void) 339 { 340 struct omap_hwmod *oh; 341 struct platform_device *pdev; 342 343 oh = omap_hwmod_lookup("dmic"); 344 if (!oh) { 345 printk(KERN_ERR "Could not look up mcpdm hw_mod\n"); 346 return; 347 } 348 349 pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0, NULL, 0, 0); 350 WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n"); 351 } 352 #else 353 static inline void omap_init_dmic(void) {} 354 #endif 355 356 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \ 357 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE) 358 359 static struct platform_device omap_hdmi_audio = { 360 .name = "omap-hdmi-audio", 361 .id = -1, 362 }; 363 364 static void __init omap_init_hdmi_audio(void) 365 { 366 struct omap_hwmod *oh; 367 struct platform_device *pdev; 368 369 oh = omap_hwmod_lookup("dss_hdmi"); 370 if (!oh) { 371 printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n"); 372 return; 373 } 374 375 pdev = omap_device_build("omap-hdmi-audio-dai", 376 -1, oh, NULL, 0, NULL, 0, 0); 377 WARN(IS_ERR(pdev), 378 "Can't build omap_device for omap-hdmi-audio-dai.\n"); 379 380 platform_device_register(&omap_hdmi_audio); 381 } 382 #else 383 static inline void omap_init_hdmi_audio(void) {} 384 #endif 385 386 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) 387 388 #include <plat/mcspi.h> 389 390 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused) 391 { 392 struct platform_device *pdev; 393 char *name = "omap2_mcspi"; 394 struct omap2_mcspi_platform_config *pdata; 395 static int spi_num; 396 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr; 397 398 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); 399 if (!pdata) { 400 pr_err("Memory allocation for McSPI device failed\n"); 401 return -ENOMEM; 402 } 403 404 pdata->num_cs = mcspi_attrib->num_chipselect; 405 switch (oh->class->rev) { 406 case OMAP2_MCSPI_REV: 407 case OMAP3_MCSPI_REV: 408 pdata->regs_offset = 0; 409 break; 410 case OMAP4_MCSPI_REV: 411 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET; 412 break; 413 default: 414 pr_err("Invalid McSPI Revision value\n"); 415 kfree(pdata); 416 return -EINVAL; 417 } 418 419 spi_num++; 420 pdev = omap_device_build(name, spi_num, oh, pdata, 421 sizeof(*pdata), NULL, 0, 0); 422 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", 423 name, oh->name); 424 kfree(pdata); 425 return 0; 426 } 427 428 static void omap_init_mcspi(void) 429 { 430 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); 431 } 432 433 #else 434 static inline void omap_init_mcspi(void) {} 435 #endif 436 437 static struct resource omap2_pmu_resource = { 438 .start = 3, 439 .end = 3, 440 .flags = IORESOURCE_IRQ, 441 }; 442 443 static struct resource omap3_pmu_resource = { 444 .start = INT_34XX_BENCH_MPU_EMUL, 445 .end = INT_34XX_BENCH_MPU_EMUL, 446 .flags = IORESOURCE_IRQ, 447 }; 448 449 static struct platform_device omap_pmu_device = { 450 .name = "arm-pmu", 451 .id = ARM_PMU_DEVICE_CPU, 452 .num_resources = 1, 453 }; 454 455 static void omap_init_pmu(void) 456 { 457 if (cpu_is_omap24xx()) 458 omap_pmu_device.resource = &omap2_pmu_resource; 459 else if (cpu_is_omap34xx()) 460 omap_pmu_device.resource = &omap3_pmu_resource; 461 else 462 return; 463 464 platform_device_register(&omap_pmu_device); 465 } 466 467 468 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE) 469 470 #ifdef CONFIG_ARCH_OMAP2 471 static struct resource omap2_sham_resources[] = { 472 { 473 .start = OMAP24XX_SEC_SHA1MD5_BASE, 474 .end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64, 475 .flags = IORESOURCE_MEM, 476 }, 477 { 478 .start = INT_24XX_SHA1MD5, 479 .flags = IORESOURCE_IRQ, 480 } 481 }; 482 static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources); 483 #else 484 #define omap2_sham_resources NULL 485 #define omap2_sham_resources_sz 0 486 #endif 487 488 #ifdef CONFIG_ARCH_OMAP3 489 static struct resource omap3_sham_resources[] = { 490 { 491 .start = OMAP34XX_SEC_SHA1MD5_BASE, 492 .end = OMAP34XX_SEC_SHA1MD5_BASE + 0x64, 493 .flags = IORESOURCE_MEM, 494 }, 495 { 496 .start = INT_34XX_SHA1MD52_IRQ, 497 .flags = IORESOURCE_IRQ, 498 }, 499 { 500 .start = OMAP34XX_DMA_SHA1MD5_RX, 501 .flags = IORESOURCE_DMA, 502 } 503 }; 504 static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources); 505 #else 506 #define omap3_sham_resources NULL 507 #define omap3_sham_resources_sz 0 508 #endif 509 510 static struct platform_device sham_device = { 511 .name = "omap-sham", 512 .id = -1, 513 }; 514 515 static void omap_init_sham(void) 516 { 517 if (cpu_is_omap24xx()) { 518 sham_device.resource = omap2_sham_resources; 519 sham_device.num_resources = omap2_sham_resources_sz; 520 } else if (cpu_is_omap34xx()) { 521 sham_device.resource = omap3_sham_resources; 522 sham_device.num_resources = omap3_sham_resources_sz; 523 } else { 524 pr_err("%s: platform not supported\n", __func__); 525 return; 526 } 527 platform_device_register(&sham_device); 528 } 529 #else 530 static inline void omap_init_sham(void) { } 531 #endif 532 533 #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE) 534 535 #ifdef CONFIG_ARCH_OMAP2 536 static struct resource omap2_aes_resources[] = { 537 { 538 .start = OMAP24XX_SEC_AES_BASE, 539 .end = OMAP24XX_SEC_AES_BASE + 0x4C, 540 .flags = IORESOURCE_MEM, 541 }, 542 { 543 .start = OMAP24XX_DMA_AES_TX, 544 .flags = IORESOURCE_DMA, 545 }, 546 { 547 .start = OMAP24XX_DMA_AES_RX, 548 .flags = IORESOURCE_DMA, 549 } 550 }; 551 static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources); 552 #else 553 #define omap2_aes_resources NULL 554 #define omap2_aes_resources_sz 0 555 #endif 556 557 #ifdef CONFIG_ARCH_OMAP3 558 static struct resource omap3_aes_resources[] = { 559 { 560 .start = OMAP34XX_SEC_AES_BASE, 561 .end = OMAP34XX_SEC_AES_BASE + 0x4C, 562 .flags = IORESOURCE_MEM, 563 }, 564 { 565 .start = OMAP34XX_DMA_AES2_TX, 566 .flags = IORESOURCE_DMA, 567 }, 568 { 569 .start = OMAP34XX_DMA_AES2_RX, 570 .flags = IORESOURCE_DMA, 571 } 572 }; 573 static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources); 574 #else 575 #define omap3_aes_resources NULL 576 #define omap3_aes_resources_sz 0 577 #endif 578 579 static struct platform_device aes_device = { 580 .name = "omap-aes", 581 .id = -1, 582 }; 583 584 static void omap_init_aes(void) 585 { 586 if (cpu_is_omap24xx()) { 587 aes_device.resource = omap2_aes_resources; 588 aes_device.num_resources = omap2_aes_resources_sz; 589 } else if (cpu_is_omap34xx()) { 590 aes_device.resource = omap3_aes_resources; 591 aes_device.num_resources = omap3_aes_resources_sz; 592 } else { 593 pr_err("%s: platform not supported\n", __func__); 594 return; 595 } 596 platform_device_register(&aes_device); 597 } 598 599 #else 600 static inline void omap_init_aes(void) { } 601 #endif 602 603 /*-------------------------------------------------------------------------*/ 604 605 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \ 606 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE) 607 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) 608 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = { 609 }; 610 #else 611 static struct resource omap_vout_resource[2] = { 612 }; 613 #endif 614 615 static struct platform_device omap_vout_device = { 616 .name = "omap_vout", 617 .num_resources = ARRAY_SIZE(omap_vout_resource), 618 .resource = &omap_vout_resource[0], 619 .id = -1, 620 }; 621 static void omap_init_vout(void) 622 { 623 if (platform_device_register(&omap_vout_device) < 0) 624 printk(KERN_ERR "Unable to register OMAP-VOUT device\n"); 625 } 626 #else 627 static inline void omap_init_vout(void) {} 628 #endif 629 630 /*-------------------------------------------------------------------------*/ 631 632 static int __init omap2_init_devices(void) 633 { 634 /* 635 * please keep these calls, and their implementations above, 636 * in alphabetical order so they're easier to sort through. 637 */ 638 omap_init_audio(); 639 omap_init_camera(); 640 omap_init_hdmi_audio(); 641 omap_init_mbox(); 642 /* If dtb is there, the devices will be created dynamically */ 643 if (!of_have_populated_dt()) { 644 omap_init_dmic(); 645 omap_init_mcpdm(); 646 omap_init_mcspi(); 647 } 648 omap_init_pmu(); 649 omap_init_sti(); 650 omap_init_sham(); 651 omap_init_aes(); 652 omap_init_vout(); 653 654 return 0; 655 } 656 arch_initcall(omap2_init_devices); 657 658 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) 659 static int __init omap_init_wdt(void) 660 { 661 int id = -1; 662 struct platform_device *pdev; 663 struct omap_hwmod *oh; 664 char *oh_name = "wd_timer2"; 665 char *dev_name = "omap_wdt"; 666 667 if (!cpu_class_is_omap2() || of_have_populated_dt()) 668 return 0; 669 670 oh = omap_hwmod_lookup(oh_name); 671 if (!oh) { 672 pr_err("Could not look up wd_timer%d hwmod\n", id); 673 return -EINVAL; 674 } 675 676 pdev = omap_device_build(dev_name, id, oh, NULL, 0, NULL, 0, 0); 677 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", 678 dev_name, oh->name); 679 return 0; 680 } 681 subsys_initcall(omap_init_wdt); 682 #endif 683