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 } else { 575 /* These can be removed when bindings are done */ 576 omap_init_wl12xx_of(); 577 } 578 omap_init_sti(); 579 omap_init_rng(); 580 omap_init_vout(); 581 582 return 0; 583 } 584 omap_arch_initcall(omap2_init_devices); 585