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/gpio.h>
  19 #include <linux/slab.h>
  20 #include <linux/of.h>
  21 #include <linux/pinctrl/machine.h>
  22 #include <linux/platform_data/omap4-keypad.h>
  23 #include <linux/wl12xx.h>
  24 #include <linux/platform_data/mailbox-omap.h>
  25
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/map.h>
  28
  29 #include <linux/omap-dma.h>
  30
  31 #include "iomap.h"
  32 #include "omap_hwmod.h"
  33 #include "omap_device.h"
  34 #include "omap4-keypad.h"
  35
  36 #include "soc.h"
  37 #include "common.h"
  38 #include "mux.h"
  39 #include "control.h"
  40 #include "devices.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 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
 257                         *sdp4430_keypad_data, struct omap_board_data *bdata)
 258 {
 259         struct platform_device *pdev;
 260         struct omap_hwmod *oh;
 261         struct omap4_keypad_platform_data *keypad_data;
 262         unsigned int id = -1;
 263         char *oh_name = "kbd";
 264         char *name = "omap4-keypad";
 265
 266         oh = omap_hwmod_lookup(oh_name);
 267         if (!oh) {
 268                 pr_err("Could not look up %s\n", oh_name);
 269                 return -ENODEV;
 270         }
 271
 272         keypad_data = sdp4430_keypad_data;
 273
 274         pdev = omap_device_build(name, id, oh, keypad_data,
 275                                  sizeof(struct omap4_keypad_platform_data));
 276
 277         if (IS_ERR(pdev)) {
 278                 WARN(1, "Can't build omap_device for %s:%s.\n",
 279                                                 name, oh->name);
 280                 return PTR_ERR(pdev);
 281         }
 282         oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
 283
 284         return 0;
 285 }
 286
 287 #if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
 288 static inline void __init omap_init_mbox(void)
 289 {
 290         struct omap_hwmod *oh;
 291         struct platform_device *pdev;
 292         struct omap_mbox_pdata *pdata;
 293
 294         oh = omap_hwmod_lookup("mailbox");
 295         if (!oh) {
 296                 pr_err("%s: unable to find hwmod\n", __func__);
 297                 return;
 298         }
 299         if (!oh->dev_attr) {
 300                 pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
 301                 return;
 302         }
 303
 304         pdata = (struct omap_mbox_pdata *)oh->dev_attr;
 305         pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata));
 306         WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
 307                                                 __func__, PTR_ERR(pdev));
 308 }
 309 #else
 310 static inline void omap_init_mbox(void) { }
 311 #endif /* CONFIG_OMAP2PLUS_MBOX */
 312
 313 static inline void omap_init_sti(void) {}
 314
 315 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
 316
 317 static struct platform_device omap_pcm = {
 318         .name   = "omap-pcm-audio",
 319         .id     = -1,
 320 };
 321
 322 static void omap_init_audio(void)
 323 {
 324         platform_device_register(&omap_pcm);
 325 }
 326
 327 #else
 328 static inline void omap_init_audio(void) {}
 329 #endif
 330
 331 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
 332                 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
 333
 334 static void __init omap_init_mcpdm(void)
 335 {
 336         struct omap_hwmod *oh;
 337         struct platform_device *pdev;
 338
 339         oh = omap_hwmod_lookup("mcpdm");
 340         if (!oh)
 341                 return;
 342
 343         pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0);
 344         WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n");
 345 }
 346 #else
 347 static inline void omap_init_mcpdm(void) {}
 348 #endif
 349
 350 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
 351                 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
 352
 353 static void __init omap_init_dmic(void)
 354 {
 355         struct omap_hwmod *oh;
 356         struct platform_device *pdev;
 357
 358         oh = omap_hwmod_lookup("dmic");
 359         if (!oh)
 360                 return;
 361
 362         pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0);
 363         WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n");
 364 }
 365 #else
 366 static inline void omap_init_dmic(void) {}
 367 #endif
 368
 369 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
 370                 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
 371
 372 static struct platform_device omap_hdmi_audio = {
 373         .name   = "omap-hdmi-audio",
 374         .id     = -1,
 375 };
 376
 377 static void __init omap_init_hdmi_audio(void)
 378 {
 379         struct omap_hwmod *oh;
 380         struct platform_device *pdev;
 381
 382         oh = omap_hwmod_lookup("dss_hdmi");
 383         if (!oh)
 384                 return;
 385
 386         pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
 387         WARN(IS_ERR(pdev),
 388              "Can't build omap_device for omap-hdmi-audio-dai.\n");
 389
 390         platform_device_register(&omap_hdmi_audio);
 391 }
 392 #else
 393 static inline void omap_init_hdmi_audio(void) {}
 394 #endif
 395
 396 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
 397
 398 #include <linux/platform_data/spi-omap2-mcspi.h>
 399
 400 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
 401 {
 402         struct platform_device *pdev;
 403         char *name = "omap2_mcspi";
 404         struct omap2_mcspi_platform_config *pdata;
 405         static int spi_num;
 406         struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
 407
 408         pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
 409         if (!pdata) {
 410                 pr_err("Memory allocation for McSPI device failed\n");
 411                 return -ENOMEM;
 412         }
 413
 414         pdata->num_cs = mcspi_attrib->num_chipselect;
 415         switch (oh->class->rev) {
 416         case OMAP2_MCSPI_REV:
 417         case OMAP3_MCSPI_REV:
 418                         pdata->regs_offset = 0;
 419                         break;
 420         case OMAP4_MCSPI_REV:
 421                         pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
 422                         break;
 423         default:
 424                         pr_err("Invalid McSPI Revision value\n");
 425                         kfree(pdata);
 426                         return -EINVAL;
 427         }
 428
 429         spi_num++;
 430         pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
 431         WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
 432                                 name, oh->name);
 433         kfree(pdata);
 434         return 0;
 435 }
 436
 437 static void omap_init_mcspi(void)
 438 {
 439         omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
 440 }
 441
 442 #else
 443 static inline void omap_init_mcspi(void) {}
 444 #endif
 445
 446 /**
 447  * omap_init_rng - bind the RNG hwmod to the RNG omap_device
 448  *
 449  * Bind the RNG hwmod to the RNG omap_device.  No return value.
 450  */
 451 static void omap_init_rng(void)
 452 {
 453         struct omap_hwmod *oh;
 454         struct platform_device *pdev;
 455
 456         oh = omap_hwmod_lookup("rng");
 457         if (!oh)
 458                 return;
 459
 460         pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
 461         WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
 462 }
 463
 464 static void __init omap_init_sham(void)
 465 {
 466         struct omap_hwmod *oh;
 467         struct platform_device *pdev;
 468
 469         oh = omap_hwmod_lookup("sham");
 470         if (!oh)
 471                 return;
 472
 473         pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
 474         WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
 475 }
 476
 477 static void __init omap_init_aes(void)
 478 {
 479         struct omap_hwmod *oh;
 480         struct platform_device *pdev;
 481
 482         oh = omap_hwmod_lookup("aes");
 483         if (!oh)
 484                 return;
 485
 486         pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
 487         WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
 488 }
 489
 490 /*-------------------------------------------------------------------------*/
 491
 492 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
 493         defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
 494 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
 495 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
 496 };
 497 #else
 498 static struct resource omap_vout_resource[2] = {
 499 };
 500 #endif
 501
 502 static struct platform_device omap_vout_device = {
 503         .name           = "omap_vout",
 504         .num_resources  = ARRAY_SIZE(omap_vout_resource),
 505         .resource       = &omap_vout_resource[0],
 506         .id             = -1,
 507 };
 508 static void omap_init_vout(void)
 509 {
 510         if (platform_device_register(&omap_vout_device) < 0)
 511                 printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
 512 }
 513 #else
 514 static inline void omap_init_vout(void) {}
 515 #endif
 516
 517 #if IS_ENABLED(CONFIG_WL12XX)
 518
 519 static struct wl12xx_platform_data wl12xx __initdata;
 520
 521 void __init omap_init_wl12xx_of(void)
 522 {
 523         int ret;
 524
 525         if (!of_have_populated_dt())
 526                 return;
 527
 528         if (of_machine_is_compatible("ti,omap4-sdp")) {
 529                 wl12xx.board_ref_clock = WL12XX_REFCLOCK_26;
 530                 wl12xx.board_tcxo_clock = WL12XX_TCXOCLOCK_26;
 531                 wl12xx.irq = gpio_to_irq(53);
 532         } else if (of_machine_is_compatible("ti,omap4-panda")) {
 533                 wl12xx.board_ref_clock = WL12XX_REFCLOCK_38;
 534                 wl12xx.irq = gpio_to_irq(53);
 535         } else {
 536                 return;
 537         }
 538
 539         ret = wl12xx_set_platform_data(&wl12xx);
 540         if (ret) {
 541                 pr_err("error setting wl12xx data: %d\n", ret);
 542                 return;
 543         }
 544 }
 545 #else
 546 static inline void omap_init_wl12xx_of(void)
 547 {
 548 }
 549 #endif
 550
 551 /*-------------------------------------------------------------------------*/
 552
 553 static int __init omap2_init_devices(void)
 554 {
 555         /* Enable dummy states for those platforms without pinctrl support */
 556         if (!of_have_populated_dt())
 557                 pinctrl_provide_dummies();
 558
 559         /*
 560          * please keep these calls, and their implementations above,
 561          * in alphabetical order so they're easier to sort through.
 562          */
 563         omap_init_audio();
 564         omap_init_camera();
 565         omap_init_hdmi_audio();
 566         omap_init_mbox();
 567         /* If dtb is there, the devices will be created dynamically */
 568         if (!of_have_populated_dt()) {
 569                 omap_init_dmic();
 570                 omap_init_mcpdm();
 571                 omap_init_mcspi();
 572                 omap_init_sham();
 573                 omap_init_aes();
 574                 omap_init_rng();
 575         } else {
 576                 /* These can be removed when bindings are done */
 577                 omap_init_wl12xx_of();
 578         }
 579         omap_init_sti();
 580         omap_init_vout();
 581
 582         return 0;
 583 }
 584 omap_arch_initcall(omap2_init_devices);