arch/arm/mach-omap2/devices.c

   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 #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
 521
 522 #ifdef CONFIG_ARCH_OMAP3
 523 static struct resource omap3_aes_resources[] = {
 524         {
 525                 .start  = OMAP34XX_SEC_AES_BASE,
 526                 .end    = OMAP34XX_SEC_AES_BASE + 0x4C,
 527                 .flags  = IORESOURCE_MEM,
 528         },
 529         {
 530                 .start  = OMAP34XX_DMA_AES2_TX,
 531                 .flags  = IORESOURCE_DMA,
 532         },
 533         {
 534                 .start  = OMAP34XX_DMA_AES2_RX,
 535                 .flags  = IORESOURCE_DMA,
 536         }
 537 };
 538 static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
 539 #else
 540 #define omap3_aes_resources             NULL
 541 #define omap3_aes_resources_sz          0
 542 #endif
 543
 544 static struct platform_device aes_device = {
 545         .name           = "omap-aes",
 546         .id             = -1,
 547 };
 548
 549 static void omap_init_aes(void)
 550 {
 551         if (cpu_is_omap24xx()) {
 552                 struct omap_hwmod *oh;
 553                 struct platform_device *pdev;
 554
 555                 oh = omap_hwmod_lookup("aes");
 556                 if (!oh)
 557                         return;
 558
 559                 pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
 560                 WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
 561         } else if (cpu_is_omap34xx()) {
 562                 aes_device.resource = omap3_aes_resources;
 563                 aes_device.num_resources = omap3_aes_resources_sz;
 564                 platform_device_register(&aes_device);
 565         } else {
 566                 pr_err("%s: platform not supported\n", __func__);
 567                 return;
 568         }
 569 }
 570
 571 #else
 572 static inline void omap_init_aes(void) { }
 573 #endif
 574
 575 /*-------------------------------------------------------------------------*/
 576
 577 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
 578         defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
 579 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
 580 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
 581 };
 582 #else
 583 static struct resource omap_vout_resource[2] = {
 584 };
 585 #endif
 586
 587 static struct platform_device omap_vout_device = {
 588         .name           = "omap_vout",
 589         .num_resources  = ARRAY_SIZE(omap_vout_resource),
 590         .resource       = &omap_vout_resource[0],
 591         .id             = -1,
 592 };
 593 static void omap_init_vout(void)
 594 {
 595         if (platform_device_register(&omap_vout_device) < 0)
 596                 printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
 597 }
 598 #else
 599 static inline void omap_init_vout(void) {}
 600 #endif
 601
 602 #if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)
 603 static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
 604 {
 605         int cnt = 0;
 606
 607         while (ocp2scp_dev->drv_name != NULL) {
 608                 cnt++;
 609                 ocp2scp_dev++;
 610         }
 611
 612         return cnt;
 613 }
 614
 615 static void __init omap_init_ocp2scp(void)
 616 {
 617         struct omap_hwmod       *oh;
 618         struct platform_device  *pdev;
 619         int                     bus_id = -1, dev_cnt = 0, i;
 620         struct omap_ocp2scp_dev *ocp2scp_dev;
 621         const char              *oh_name, *name;
 622         struct omap_ocp2scp_platform_data *pdata;
 623
 624         if (!cpu_is_omap44xx())
 625                 return;
 626
 627         oh_name = "ocp2scp_usb_phy";
 628         name    = "omap-ocp2scp";
 629
 630         oh = omap_hwmod_lookup(oh_name);
 631         if (!oh) {
 632                 pr_err("%s: could not find omap_hwmod for %s\n", __func__,
 633                                                                 oh_name);
 634                 return;
 635         }
 636
 637         pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
 638         if (!pdata) {
 639                 pr_err("%s: No memory for ocp2scp pdata\n", __func__);
 640                 return;
 641         }
 642
 643         ocp2scp_dev = oh->dev_attr;
 644         dev_cnt = count_ocp2scp_devices(ocp2scp_dev);
 645
 646         if (!dev_cnt) {
 647                 pr_err("%s: No devices connected to ocp2scp\n", __func__);
 648                 kfree(pdata);
 649                 return;
 650         }
 651
 652         pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)
 653                                         * dev_cnt, GFP_KERNEL);
 654         if (!pdata->devices) {
 655                 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);
 656                 kfree(pdata);
 657                 return;
 658         }
 659
 660         for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)
 661                 pdata->devices[i] = ocp2scp_dev;
 662
 663         pdata->dev_cnt  = dev_cnt;
 664
 665         pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata));
 666         if (IS_ERR(pdev)) {
 667                 pr_err("Could not build omap_device for %s %s\n",
 668                                                 name, oh_name);
 669                 kfree(pdata->devices);
 670                 kfree(pdata);
 671                 return;
 672         }
 673 }
 674 #else
 675 static inline void omap_init_ocp2scp(void) { }
 676 #endif
 677
 678 /*-------------------------------------------------------------------------*/
 679
 680 static int __init omap2_init_devices(void)
 681 {
 682         /* Enable dummy states for those platforms without pinctrl support */
 683         if (!of_have_populated_dt())
 684                 pinctrl_provide_dummies();
 685
 686         /*
 687          * please keep these calls, and their implementations above,
 688          * in alphabetical order so they're easier to sort through.
 689          */
 690         omap_init_audio();
 691         omap_init_camera();
 692         omap_init_hdmi_audio();
 693         omap_init_mbox();
 694         /* If dtb is there, the devices will be created dynamically */
 695         if (!of_have_populated_dt()) {
 696                 omap_init_control_usb();
 697                 omap_init_dmic();
 698                 omap_init_mcpdm();
 699                 omap_init_mcspi();
 700                 omap_init_sham();
 701         }
 702         omap_init_sti();
 703         omap_init_rng();
 704         omap_init_aes();
 705         omap_init_vout();
 706         omap_init_ocp2scp();
 707
 708         return 0;
 709 }
 710 omap_arch_initcall(omap2_init_devices);