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 #include <linux/usb/omap_control_usb.h> 24 25 #include <asm/mach-types.h> 26 #include <asm/mach/map.h> 27 28 #include <linux/omap-dma.h> 29 30 #include "iomap.h" 31 #include "omap_hwmod.h" 32 #include "omap_device.h" 33 #include "omap4-keypad.h" 34 35 #include "soc.h" 36 #include "common.h" 37 #include "mux.h" 38 #include "control.h" 39 #include "devices.h" 40 #include "dma.h" 41 42 #define L3_MODULES_MAX_LEN 12 43 #define L3_MODULES 3 44 45 static int __init omap3_l3_init(void) 46 { 47 struct omap_hwmod *oh; 48 struct platform_device *pdev; 49 char oh_name[L3_MODULES_MAX_LEN]; 50 51 /* 52 * To avoid code running on other OMAPs in 53 * multi-omap builds 54 */ 55 if (!(cpu_is_omap34xx())) 56 return -ENODEV; 57 58 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main"); 59 60 oh = omap_hwmod_lookup(oh_name); 61 62 if (!oh) 63 pr_err("could not look up %s\n", oh_name); 64 65 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0); 66 67 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); 68 69 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; 70 } 71 omap_postcore_initcall(omap3_l3_init); 72 73 static int __init omap4_l3_init(void) 74 { 75 int i; 76 struct omap_hwmod *oh[3]; 77 struct platform_device *pdev; 78 char oh_name[L3_MODULES_MAX_LEN]; 79 80 /* If dtb is there, the devices will be created dynamically */ 81 if (of_have_populated_dt()) 82 return -ENODEV; 83 84 /* 85 * To avoid code running on other OMAPs in 86 * multi-omap builds 87 */ 88 if (!cpu_is_omap44xx() && !soc_is_omap54xx()) 89 return -ENODEV; 90 91 for (i = 0; i < L3_MODULES; i++) { 92 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1); 93 94 oh[i] = omap_hwmod_lookup(oh_name); 95 if (!(oh[i])) 96 pr_err("could not look up %s\n", oh_name); 97 } 98 99 pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0); 100 101 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); 102 103 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; 104 } 105 omap_postcore_initcall(omap4_l3_init); 106 107 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) 108 109 static struct resource omap2cam_resources[] = { 110 { 111 .start = OMAP24XX_CAMERA_BASE, 112 .end = OMAP24XX_CAMERA_BASE + 0xfff, 113 .flags = IORESOURCE_MEM, 114 }, 115 { 116 .start = 24 + OMAP_INTC_START, 117 .flags = IORESOURCE_IRQ, 118 } 119 }; 120 121 static struct platform_device omap2cam_device = { 122 .name = "omap24xxcam", 123 .id = -1, 124 .num_resources = ARRAY_SIZE(omap2cam_resources), 125 .resource = omap2cam_resources, 126 }; 127 #endif 128 129 #if defined(CONFIG_IOMMU_API) 130 131 #include <linux/platform_data/iommu-omap.h> 132 133 static struct resource omap3isp_resources[] = { 134 { 135 .start = OMAP3430_ISP_BASE, 136 .end = OMAP3430_ISP_END, 137 .flags = IORESOURCE_MEM, 138 }, 139 { 140 .start = OMAP3430_ISP_CCP2_BASE, 141 .end = OMAP3430_ISP_CCP2_END, 142 .flags = IORESOURCE_MEM, 143 }, 144 { 145 .start = OMAP3430_ISP_CCDC_BASE, 146 .end = OMAP3430_ISP_CCDC_END, 147 .flags = IORESOURCE_MEM, 148 }, 149 { 150 .start = OMAP3430_ISP_HIST_BASE, 151 .end = OMAP3430_ISP_HIST_END, 152 .flags = IORESOURCE_MEM, 153 }, 154 { 155 .start = OMAP3430_ISP_H3A_BASE, 156 .end = OMAP3430_ISP_H3A_END, 157 .flags = IORESOURCE_MEM, 158 }, 159 { 160 .start = OMAP3430_ISP_PREV_BASE, 161 .end = OMAP3430_ISP_PREV_END, 162 .flags = IORESOURCE_MEM, 163 }, 164 { 165 .start = OMAP3430_ISP_RESZ_BASE, 166 .end = OMAP3430_ISP_RESZ_END, 167 .flags = IORESOURCE_MEM, 168 }, 169 { 170 .start = OMAP3430_ISP_SBL_BASE, 171 .end = OMAP3430_ISP_SBL_END, 172 .flags = IORESOURCE_MEM, 173 }, 174 { 175 .start = OMAP3430_ISP_CSI2A_REGS1_BASE, 176 .end = OMAP3430_ISP_CSI2A_REGS1_END, 177 .flags = IORESOURCE_MEM, 178 }, 179 { 180 .start = OMAP3430_ISP_CSIPHY2_BASE, 181 .end = OMAP3430_ISP_CSIPHY2_END, 182 .flags = IORESOURCE_MEM, 183 }, 184 { 185 .start = OMAP3630_ISP_CSI2A_REGS2_BASE, 186 .end = OMAP3630_ISP_CSI2A_REGS2_END, 187 .flags = IORESOURCE_MEM, 188 }, 189 { 190 .start = OMAP3630_ISP_CSI2C_REGS1_BASE, 191 .end = OMAP3630_ISP_CSI2C_REGS1_END, 192 .flags = IORESOURCE_MEM, 193 }, 194 { 195 .start = OMAP3630_ISP_CSIPHY1_BASE, 196 .end = OMAP3630_ISP_CSIPHY1_END, 197 .flags = IORESOURCE_MEM, 198 }, 199 { 200 .start = OMAP3630_ISP_CSI2C_REGS2_BASE, 201 .end = OMAP3630_ISP_CSI2C_REGS2_END, 202 .flags = IORESOURCE_MEM, 203 }, 204 { 205 .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE, 206 .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3, 207 .flags = IORESOURCE_MEM, 208 }, 209 { 210 .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL, 211 .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3, 212 .flags = IORESOURCE_MEM, 213 }, 214 { 215 .start = 24 + OMAP_INTC_START, 216 .flags = IORESOURCE_IRQ, 217 } 218 }; 219 220 static struct platform_device omap3isp_device = { 221 .name = "omap3isp", 222 .id = -1, 223 .num_resources = ARRAY_SIZE(omap3isp_resources), 224 .resource = omap3isp_resources, 225 }; 226 227 static struct omap_iommu_arch_data omap3_isp_iommu = { 228 .name = "mmu_isp", 229 }; 230 231 int omap3_init_camera(struct isp_platform_data *pdata) 232 { 233 omap3isp_device.dev.platform_data = pdata; 234 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu; 235 236 return platform_device_register(&omap3isp_device); 237 } 238 239 #else /* !CONFIG_IOMMU_API */ 240 241 int omap3_init_camera(struct isp_platform_data *pdata) 242 { 243 return 0; 244 } 245 246 #endif 247 248 static inline void omap_init_camera(void) 249 { 250 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) 251 if (cpu_is_omap24xx()) 252 platform_device_register(&omap2cam_device); 253 #endif 254 } 255 256 #if IS_ENABLED(CONFIG_OMAP_CONTROL_USB) 257 static struct omap_control_usb_platform_data omap4_control_usb_pdata = { 258 .type = 1, 259 }; 260 261 struct resource omap4_control_usb_res[] = { 262 { 263 .name = "control_dev_conf", 264 .start = 0x4a002300, 265 .end = 0x4a002303, 266 .flags = IORESOURCE_MEM, 267 }, 268 { 269 .name = "otghs_control", 270 .start = 0x4a00233c, 271 .end = 0x4a00233f, 272 .flags = IORESOURCE_MEM, 273 }, 274 }; 275 276 static struct platform_device omap4_control_usb = { 277 .name = "omap-control-usb", 278 .id = -1, 279 .dev = { 280 .platform_data = &omap4_control_usb_pdata, 281 }, 282 .num_resources = 2, 283 .resource = omap4_control_usb_res, 284 }; 285 286 static inline void __init omap_init_control_usb(void) 287 { 288 if (!cpu_is_omap44xx()) 289 return; 290 291 if (platform_device_register(&omap4_control_usb)) 292 pr_err("Error registering omap_control_usb device\n"); 293 } 294 295 #else 296 static inline void omap_init_control_usb(void) { } 297 #endif /* CONFIG_OMAP_CONTROL_USB */ 298 299 int __init omap4_keyboard_init(struct omap4_keypad_platform_data 300 *sdp4430_keypad_data, struct omap_board_data *bdata) 301 { 302 struct platform_device *pdev; 303 struct omap_hwmod *oh; 304 struct omap4_keypad_platform_data *keypad_data; 305 unsigned int id = -1; 306 char *oh_name = "kbd"; 307 char *name = "omap4-keypad"; 308 309 oh = omap_hwmod_lookup(oh_name); 310 if (!oh) { 311 pr_err("Could not look up %s\n", oh_name); 312 return -ENODEV; 313 } 314 315 keypad_data = sdp4430_keypad_data; 316 317 pdev = omap_device_build(name, id, oh, keypad_data, 318 sizeof(struct omap4_keypad_platform_data)); 319 320 if (IS_ERR(pdev)) { 321 WARN(1, "Can't build omap_device for %s:%s.\n", 322 name, oh->name); 323 return PTR_ERR(pdev); 324 } 325 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt); 326 327 return 0; 328 } 329 330 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE) 331 static inline void __init omap_init_mbox(void) 332 { 333 struct omap_hwmod *oh; 334 struct platform_device *pdev; 335 336 oh = omap_hwmod_lookup("mailbox"); 337 if (!oh) { 338 pr_err("%s: unable to find hwmod\n", __func__); 339 return; 340 } 341 342 pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0); 343 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", 344 __func__, PTR_ERR(pdev)); 345 } 346 #else 347 static inline void omap_init_mbox(void) { } 348 #endif /* CONFIG_OMAP_MBOX_FWK */ 349 350 static inline void omap_init_sti(void) {} 351 352 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) 353 354 static struct platform_device omap_pcm = { 355 .name = "omap-pcm-audio", 356 .id = -1, 357 }; 358 359 static void omap_init_audio(void) 360 { 361 platform_device_register(&omap_pcm); 362 } 363 364 #else 365 static inline void omap_init_audio(void) {} 366 #endif 367 368 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ 369 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) 370 371 static void __init omap_init_mcpdm(void) 372 { 373 struct omap_hwmod *oh; 374 struct platform_device *pdev; 375 376 oh = omap_hwmod_lookup("mcpdm"); 377 if (!oh) { 378 printk(KERN_ERR "Could not look up mcpdm hw_mod\n"); 379 return; 380 } 381 382 pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0); 383 WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n"); 384 } 385 #else 386 static inline void omap_init_mcpdm(void) {} 387 #endif 388 389 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \ 390 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE) 391 392 static void __init omap_init_dmic(void) 393 { 394 struct omap_hwmod *oh; 395 struct platform_device *pdev; 396 397 oh = omap_hwmod_lookup("dmic"); 398 if (!oh) { 399 pr_err("Could not look up dmic hw_mod\n"); 400 return; 401 } 402 403 pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0); 404 WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n"); 405 } 406 #else 407 static inline void omap_init_dmic(void) {} 408 #endif 409 410 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \ 411 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE) 412 413 static struct platform_device omap_hdmi_audio = { 414 .name = "omap-hdmi-audio", 415 .id = -1, 416 }; 417 418 static void __init omap_init_hdmi_audio(void) 419 { 420 struct omap_hwmod *oh; 421 struct platform_device *pdev; 422 423 oh = omap_hwmod_lookup("dss_hdmi"); 424 if (!oh) { 425 printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n"); 426 return; 427 } 428 429 pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0); 430 WARN(IS_ERR(pdev), 431 "Can't build omap_device for omap-hdmi-audio-dai.\n"); 432 433 platform_device_register(&omap_hdmi_audio); 434 } 435 #else 436 static inline void omap_init_hdmi_audio(void) {} 437 #endif 438 439 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) 440 441 #include <linux/platform_data/spi-omap2-mcspi.h> 442 443 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused) 444 { 445 struct platform_device *pdev; 446 char *name = "omap2_mcspi"; 447 struct omap2_mcspi_platform_config *pdata; 448 static int spi_num; 449 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr; 450 451 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); 452 if (!pdata) { 453 pr_err("Memory allocation for McSPI device failed\n"); 454 return -ENOMEM; 455 } 456 457 pdata->num_cs = mcspi_attrib->num_chipselect; 458 switch (oh->class->rev) { 459 case OMAP2_MCSPI_REV: 460 case OMAP3_MCSPI_REV: 461 pdata->regs_offset = 0; 462 break; 463 case OMAP4_MCSPI_REV: 464 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET; 465 break; 466 default: 467 pr_err("Invalid McSPI Revision value\n"); 468 kfree(pdata); 469 return -EINVAL; 470 } 471 472 spi_num++; 473 pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata)); 474 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", 475 name, oh->name); 476 kfree(pdata); 477 return 0; 478 } 479 480 static void omap_init_mcspi(void) 481 { 482 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); 483 } 484 485 #else 486 static inline void omap_init_mcspi(void) {} 487 #endif 488 489 /** 490 * omap_init_rng - bind the RNG hwmod to the RNG omap_device 491 * 492 * Bind the RNG hwmod to the RNG omap_device. No return value. 493 */ 494 static void omap_init_rng(void) 495 { 496 struct omap_hwmod *oh; 497 struct platform_device *pdev; 498 499 oh = omap_hwmod_lookup("rng"); 500 if (!oh) 501 return; 502 503 pdev = omap_device_build("omap_rng", -1, oh, NULL, 0); 504 WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); 505 } 506 507 static void __init omap_init_sham(void) 508 { 509 struct omap_hwmod *oh; 510 struct platform_device *pdev; 511 512 oh = omap_hwmod_lookup("sham"); 513 if (!oh) 514 return; 515 516 pdev = omap_device_build("omap-sham", -1, oh, NULL, 0); 517 WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n"); 518 } 519 520 static void __init omap_init_aes(void) 521 { 522 struct omap_hwmod *oh; 523 struct platform_device *pdev; 524 525 oh = omap_hwmod_lookup("aes"); 526 if (!oh) 527 return; 528 529 pdev = omap_device_build("omap-aes", -1, oh, NULL, 0); 530 WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n"); 531 } 532 533 /*-------------------------------------------------------------------------*/ 534 535 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \ 536 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE) 537 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) 538 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = { 539 }; 540 #else 541 static struct resource omap_vout_resource[2] = { 542 }; 543 #endif 544 545 static struct platform_device omap_vout_device = { 546 .name = "omap_vout", 547 .num_resources = ARRAY_SIZE(omap_vout_resource), 548 .resource = &omap_vout_resource[0], 549 .id = -1, 550 }; 551 static void omap_init_vout(void) 552 { 553 if (platform_device_register(&omap_vout_device) < 0) 554 printk(KERN_ERR "Unable to register OMAP-VOUT device\n"); 555 } 556 #else 557 static inline void omap_init_vout(void) {} 558 #endif 559 560 #if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE) 561 static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev) 562 { 563 int cnt = 0; 564 565 while (ocp2scp_dev->drv_name != NULL) { 566 cnt++; 567 ocp2scp_dev++; 568 } 569 570 return cnt; 571 } 572 573 static void __init omap_init_ocp2scp(void) 574 { 575 struct omap_hwmod *oh; 576 struct platform_device *pdev; 577 int bus_id = -1, dev_cnt = 0, i; 578 struct omap_ocp2scp_dev *ocp2scp_dev; 579 const char *oh_name, *name; 580 struct omap_ocp2scp_platform_data *pdata; 581 582 if (!cpu_is_omap44xx()) 583 return; 584 585 oh_name = "ocp2scp_usb_phy"; 586 name = "omap-ocp2scp"; 587 588 oh = omap_hwmod_lookup(oh_name); 589 if (!oh) { 590 pr_err("%s: could not find omap_hwmod for %s\n", __func__, 591 oh_name); 592 return; 593 } 594 595 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); 596 if (!pdata) { 597 pr_err("%s: No memory for ocp2scp pdata\n", __func__); 598 return; 599 } 600 601 ocp2scp_dev = oh->dev_attr; 602 dev_cnt = count_ocp2scp_devices(ocp2scp_dev); 603 604 if (!dev_cnt) { 605 pr_err("%s: No devices connected to ocp2scp\n", __func__); 606 kfree(pdata); 607 return; 608 } 609 610 pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *) 611 * dev_cnt, GFP_KERNEL); 612 if (!pdata->devices) { 613 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__); 614 kfree(pdata); 615 return; 616 } 617 618 for (i = 0; i < dev_cnt; i++, ocp2scp_dev++) 619 pdata->devices[i] = ocp2scp_dev; 620 621 pdata->dev_cnt = dev_cnt; 622 623 pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata)); 624 if (IS_ERR(pdev)) { 625 pr_err("Could not build omap_device for %s %s\n", 626 name, oh_name); 627 kfree(pdata->devices); 628 kfree(pdata); 629 return; 630 } 631 } 632 #else 633 static inline void omap_init_ocp2scp(void) { } 634 #endif 635 636 /*-------------------------------------------------------------------------*/ 637 638 static int __init omap2_init_devices(void) 639 { 640 /* Enable dummy states for those platforms without pinctrl support */ 641 if (!of_have_populated_dt()) 642 pinctrl_provide_dummies(); 643 644 /* 645 * please keep these calls, and their implementations above, 646 * in alphabetical order so they're easier to sort through. 647 */ 648 omap_init_audio(); 649 omap_init_camera(); 650 omap_init_hdmi_audio(); 651 omap_init_mbox(); 652 /* If dtb is there, the devices will be created dynamically */ 653 if (!of_have_populated_dt()) { 654 omap_init_control_usb(); 655 omap_init_dmic(); 656 omap_init_mcpdm(); 657 omap_init_mcspi(); 658 omap_init_sham(); 659 omap_init_aes(); 660 } 661 omap_init_sti(); 662 omap_init_rng(); 663 omap_init_vout(); 664 omap_init_ocp2scp(); 665 666 return 0; 667 } 668 omap_arch_initcall(omap2_init_devices); 669