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/pinctrl/machine.h> 21 #include <linux/platform_data/omap4-keypad.h> 22 #include <linux/platform_data/omap_ocp2scp.h> 23 24 #include <asm/mach-types.h> 25 #include <asm/mach/map.h> 26 27 #include "iomap.h" 28 #include <plat/dma.h> 29 #include <plat/omap_hwmod.h> 30 #include <plat/omap_device.h> 31 #include "omap4-keypad.h" 32 33 #include "soc.h" 34 #include "common.h" 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 = 24 + OMAP_INTC_START, 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 = 24 + OMAP_INTC_START, 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 pr_err("Could not look up dmic 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 <linux/platform_data/spi-omap2-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 /** 438 * omap_init_rng - bind the RNG hwmod to the RNG omap_device 439 * 440 * Bind the RNG hwmod to the RNG omap_device. No return value. 441 */ 442 static void omap_init_rng(void) 443 { 444 struct omap_hwmod *oh; 445 struct platform_device *pdev; 446 447 oh = omap_hwmod_lookup("rng"); 448 if (!oh) 449 return; 450 451 pdev = omap_device_build("omap_rng", -1, oh, NULL, 0, NULL, 0, 0); 452 WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); 453 } 454 455 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE) 456 457 #ifdef CONFIG_ARCH_OMAP2 458 static struct resource omap2_sham_resources[] = { 459 { 460 .start = OMAP24XX_SEC_SHA1MD5_BASE, 461 .end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64, 462 .flags = IORESOURCE_MEM, 463 }, 464 { 465 .start = 51 + OMAP_INTC_START, 466 .flags = IORESOURCE_IRQ, 467 } 468 }; 469 static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources); 470 #else 471 #define omap2_sham_resources NULL 472 #define omap2_sham_resources_sz 0 473 #endif 474 475 #ifdef CONFIG_ARCH_OMAP3 476 static struct resource omap3_sham_resources[] = { 477 { 478 .start = OMAP34XX_SEC_SHA1MD5_BASE, 479 .end = OMAP34XX_SEC_SHA1MD5_BASE + 0x64, 480 .flags = IORESOURCE_MEM, 481 }, 482 { 483 .start = 49 + OMAP_INTC_START, 484 .flags = IORESOURCE_IRQ, 485 }, 486 { 487 .start = OMAP34XX_DMA_SHA1MD5_RX, 488 .flags = IORESOURCE_DMA, 489 } 490 }; 491 static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources); 492 #else 493 #define omap3_sham_resources NULL 494 #define omap3_sham_resources_sz 0 495 #endif 496 497 static struct platform_device sham_device = { 498 .name = "omap-sham", 499 .id = -1, 500 }; 501 502 static void omap_init_sham(void) 503 { 504 if (cpu_is_omap24xx()) { 505 sham_device.resource = omap2_sham_resources; 506 sham_device.num_resources = omap2_sham_resources_sz; 507 } else if (cpu_is_omap34xx()) { 508 sham_device.resource = omap3_sham_resources; 509 sham_device.num_resources = omap3_sham_resources_sz; 510 } else { 511 pr_err("%s: platform not supported\n", __func__); 512 return; 513 } 514 platform_device_register(&sham_device); 515 } 516 #else 517 static inline void omap_init_sham(void) { } 518 #endif 519 520 #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE) 521 522 #ifdef CONFIG_ARCH_OMAP2 523 static struct resource omap2_aes_resources[] = { 524 { 525 .start = OMAP24XX_SEC_AES_BASE, 526 .end = OMAP24XX_SEC_AES_BASE + 0x4C, 527 .flags = IORESOURCE_MEM, 528 }, 529 { 530 .start = OMAP24XX_DMA_AES_TX, 531 .flags = IORESOURCE_DMA, 532 }, 533 { 534 .start = OMAP24XX_DMA_AES_RX, 535 .flags = IORESOURCE_DMA, 536 } 537 }; 538 static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources); 539 #else 540 #define omap2_aes_resources NULL 541 #define omap2_aes_resources_sz 0 542 #endif 543 544 #ifdef CONFIG_ARCH_OMAP3 545 static struct resource omap3_aes_resources[] = { 546 { 547 .start = OMAP34XX_SEC_AES_BASE, 548 .end = OMAP34XX_SEC_AES_BASE + 0x4C, 549 .flags = IORESOURCE_MEM, 550 }, 551 { 552 .start = OMAP34XX_DMA_AES2_TX, 553 .flags = IORESOURCE_DMA, 554 }, 555 { 556 .start = OMAP34XX_DMA_AES2_RX, 557 .flags = IORESOURCE_DMA, 558 } 559 }; 560 static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources); 561 #else 562 #define omap3_aes_resources NULL 563 #define omap3_aes_resources_sz 0 564 #endif 565 566 static struct platform_device aes_device = { 567 .name = "omap-aes", 568 .id = -1, 569 }; 570 571 static void omap_init_aes(void) 572 { 573 if (cpu_is_omap24xx()) { 574 aes_device.resource = omap2_aes_resources; 575 aes_device.num_resources = omap2_aes_resources_sz; 576 } else if (cpu_is_omap34xx()) { 577 aes_device.resource = omap3_aes_resources; 578 aes_device.num_resources = omap3_aes_resources_sz; 579 } else { 580 pr_err("%s: platform not supported\n", __func__); 581 return; 582 } 583 platform_device_register(&aes_device); 584 } 585 586 #else 587 static inline void omap_init_aes(void) { } 588 #endif 589 590 /*-------------------------------------------------------------------------*/ 591 592 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \ 593 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE) 594 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) 595 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = { 596 }; 597 #else 598 static struct resource omap_vout_resource[2] = { 599 }; 600 #endif 601 602 static struct platform_device omap_vout_device = { 603 .name = "omap_vout", 604 .num_resources = ARRAY_SIZE(omap_vout_resource), 605 .resource = &omap_vout_resource[0], 606 .id = -1, 607 }; 608 static void omap_init_vout(void) 609 { 610 if (platform_device_register(&omap_vout_device) < 0) 611 printk(KERN_ERR "Unable to register OMAP-VOUT device\n"); 612 } 613 #else 614 static inline void omap_init_vout(void) {} 615 #endif 616 617 #if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE) 618 static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev) 619 { 620 int cnt = 0; 621 622 while (ocp2scp_dev->drv_name != NULL) { 623 cnt++; 624 ocp2scp_dev++; 625 } 626 627 return cnt; 628 } 629 630 static void omap_init_ocp2scp(void) 631 { 632 struct omap_hwmod *oh; 633 struct platform_device *pdev; 634 int bus_id = -1, dev_cnt = 0, i; 635 struct omap_ocp2scp_dev *ocp2scp_dev; 636 const char *oh_name, *name; 637 struct omap_ocp2scp_platform_data *pdata; 638 639 if (!cpu_is_omap44xx()) 640 return; 641 642 oh_name = "ocp2scp_usb_phy"; 643 name = "omap-ocp2scp"; 644 645 oh = omap_hwmod_lookup(oh_name); 646 if (!oh) { 647 pr_err("%s: could not find omap_hwmod for %s\n", __func__, 648 oh_name); 649 return; 650 } 651 652 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); 653 if (!pdata) { 654 pr_err("%s: No memory for ocp2scp pdata\n", __func__); 655 return; 656 } 657 658 ocp2scp_dev = oh->dev_attr; 659 dev_cnt = count_ocp2scp_devices(ocp2scp_dev); 660 661 if (!dev_cnt) { 662 pr_err("%s: No devices connected to ocp2scp\n", __func__); 663 kfree(pdata); 664 return; 665 } 666 667 pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *) 668 * dev_cnt, GFP_KERNEL); 669 if (!pdata->devices) { 670 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__); 671 kfree(pdata); 672 return; 673 } 674 675 for (i = 0; i < dev_cnt; i++, ocp2scp_dev++) 676 pdata->devices[i] = ocp2scp_dev; 677 678 pdata->dev_cnt = dev_cnt; 679 680 pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata), NULL, 681 0, false); 682 if (IS_ERR(pdev)) { 683 pr_err("Could not build omap_device for %s %s\n", 684 name, oh_name); 685 kfree(pdata->devices); 686 kfree(pdata); 687 return; 688 } 689 } 690 #else 691 static inline void omap_init_ocp2scp(void) { } 692 #endif 693 694 /*-------------------------------------------------------------------------*/ 695 696 static int __init omap2_init_devices(void) 697 { 698 /* Enable dummy states for those platforms without pinctrl support */ 699 if (!of_have_populated_dt()) 700 pinctrl_provide_dummies(); 701 702 /* 703 * please keep these calls, and their implementations above, 704 * in alphabetical order so they're easier to sort through. 705 */ 706 omap_init_audio(); 707 omap_init_camera(); 708 omap_init_hdmi_audio(); 709 omap_init_mbox(); 710 /* If dtb is there, the devices will be created dynamically */ 711 if (!of_have_populated_dt()) { 712 omap_init_dmic(); 713 omap_init_mcpdm(); 714 omap_init_mcspi(); 715 } 716 omap_init_sti(); 717 omap_init_rng(); 718 omap_init_sham(); 719 omap_init_aes(); 720 omap_init_vout(); 721 omap_init_ocp2scp(); 722 723 return 0; 724 } 725 arch_initcall(omap2_init_devices); 726 727 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) 728 static int __init omap_init_wdt(void) 729 { 730 int id = -1; 731 struct platform_device *pdev; 732 struct omap_hwmod *oh; 733 char *oh_name = "wd_timer2"; 734 char *dev_name = "omap_wdt"; 735 736 if (!cpu_class_is_omap2() || of_have_populated_dt()) 737 return 0; 738 739 oh = omap_hwmod_lookup(oh_name); 740 if (!oh) { 741 pr_err("Could not look up wd_timer%d hwmod\n", id); 742 return -EINVAL; 743 } 744 745 pdev = omap_device_build(dev_name, id, oh, NULL, 0, NULL, 0, 0); 746 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", 747 dev_name, oh->name); 748 return 0; 749 } 750 subsys_initcall(omap_init_wdt); 751 #endif 752