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/wl12xx.h> 23 #include <linux/platform_data/mailbox-omap.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 41 #define L3_MODULES_MAX_LEN 12 42 #define L3_MODULES 3 43 44 static int __init omap3_l3_init(void) 45 { 46 struct omap_hwmod *oh; 47 struct platform_device *pdev; 48 char oh_name[L3_MODULES_MAX_LEN]; 49 50 /* 51 * To avoid code running on other OMAPs in 52 * multi-omap builds 53 */ 54 if (!(cpu_is_omap34xx())) 55 return -ENODEV; 56 57 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main"); 58 59 oh = omap_hwmod_lookup(oh_name); 60 61 if (!oh) 62 pr_err("could not look up %s\n", oh_name); 63 64 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0); 65 66 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); 67 68 return PTR_RET(pdev); 69 } 70 omap_postcore_initcall(omap3_l3_init); 71 72 static int __init omap4_l3_init(void) 73 { 74 int i; 75 struct omap_hwmod *oh[3]; 76 struct platform_device *pdev; 77 char oh_name[L3_MODULES_MAX_LEN]; 78 79 /* If dtb is there, the devices will be created dynamically */ 80 if (of_have_populated_dt()) 81 return -ENODEV; 82 83 /* 84 * To avoid code running on other OMAPs in 85 * multi-omap builds 86 */ 87 if (!cpu_is_omap44xx() && !soc_is_omap54xx()) 88 return -ENODEV; 89 90 for (i = 0; i < L3_MODULES; i++) { 91 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1); 92 93 oh[i] = omap_hwmod_lookup(oh_name); 94 if (!(oh[i])) 95 pr_err("could not look up %s\n", oh_name); 96 } 97 98 pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0); 99 100 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); 101 102 return PTR_RET(pdev); 103 } 104 omap_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 <linux/platform_data/iommu-omap.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 = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE, 205 .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3, 206 .flags = IORESOURCE_MEM, 207 }, 208 { 209 .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL, 210 .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3, 211 .flags = IORESOURCE_MEM, 212 }, 213 { 214 .start = 24 + OMAP_INTC_START, 215 .flags = IORESOURCE_IRQ, 216 } 217 }; 218 219 static struct platform_device omap3isp_device = { 220 .name = "omap3isp", 221 .id = -1, 222 .num_resources = ARRAY_SIZE(omap3isp_resources), 223 .resource = omap3isp_resources, 224 }; 225 226 static struct omap_iommu_arch_data omap3_isp_iommu = { 227 .name = "mmu_isp", 228 }; 229 230 int omap3_init_camera(struct isp_platform_data *pdata) 231 { 232 omap3isp_device.dev.platform_data = pdata; 233 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu; 234 235 return platform_device_register(&omap3isp_device); 236 } 237 238 #else /* !CONFIG_IOMMU_API */ 239 240 int omap3_init_camera(struct isp_platform_data *pdata) 241 { 242 return 0; 243 } 244 245 #endif 246 247 static inline void omap_init_camera(void) 248 { 249 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) 250 if (cpu_is_omap24xx()) 251 platform_device_register(&omap2cam_device); 252 #endif 253 } 254 255 int __init omap4_keyboard_init(struct omap4_keypad_platform_data 256 *sdp4430_keypad_data, struct omap_board_data *bdata) 257 { 258 struct platform_device *pdev; 259 struct omap_hwmod *oh; 260 struct omap4_keypad_platform_data *keypad_data; 261 unsigned int id = -1; 262 char *oh_name = "kbd"; 263 char *name = "omap4-keypad"; 264 265 oh = omap_hwmod_lookup(oh_name); 266 if (!oh) { 267 pr_err("Could not look up %s\n", oh_name); 268 return -ENODEV; 269 } 270 271 keypad_data = sdp4430_keypad_data; 272 273 pdev = omap_device_build(name, id, oh, keypad_data, 274 sizeof(struct omap4_keypad_platform_data)); 275 276 if (IS_ERR(pdev)) { 277 WARN(1, "Can't build omap_device for %s:%s.\n", 278 name, oh->name); 279 return PTR_ERR(pdev); 280 } 281 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt); 282 283 return 0; 284 } 285 286 #if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE) 287 static inline void __init omap_init_mbox(void) 288 { 289 struct omap_hwmod *oh; 290 struct platform_device *pdev; 291 struct omap_mbox_pdata *pdata; 292 293 oh = omap_hwmod_lookup("mailbox"); 294 if (!oh) { 295 pr_err("%s: unable to find hwmod\n", __func__); 296 return; 297 } 298 if (!oh->dev_attr) { 299 pr_err("%s: hwmod doesn't have valid attrs\n", __func__); 300 return; 301 } 302 303 pdata = (struct omap_mbox_pdata *)oh->dev_attr; 304 pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata)); 305 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", 306 __func__, PTR_ERR(pdev)); 307 } 308 #else 309 static inline void omap_init_mbox(void) { } 310 #endif /* CONFIG_OMAP2PLUS_MBOX */ 311 312 static inline void omap_init_sti(void) {} 313 314 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) 315 316 static struct platform_device omap_pcm = { 317 .name = "omap-pcm-audio", 318 .id = -1, 319 }; 320 321 static void omap_init_audio(void) 322 { 323 platform_device_register(&omap_pcm); 324 } 325 326 #else 327 static inline void omap_init_audio(void) {} 328 #endif 329 330 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ 331 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) 332 333 static void __init omap_init_mcpdm(void) 334 { 335 struct omap_hwmod *oh; 336 struct platform_device *pdev; 337 338 oh = omap_hwmod_lookup("mcpdm"); 339 if (!oh) 340 return; 341 342 pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0); 343 WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n"); 344 } 345 #else 346 static inline void omap_init_mcpdm(void) {} 347 #endif 348 349 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \ 350 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE) 351 352 static void __init omap_init_dmic(void) 353 { 354 struct omap_hwmod *oh; 355 struct platform_device *pdev; 356 357 oh = omap_hwmod_lookup("dmic"); 358 if (!oh) 359 return; 360 361 pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0); 362 WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n"); 363 } 364 #else 365 static inline void omap_init_dmic(void) {} 366 #endif 367 368 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \ 369 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE) 370 371 static struct platform_device omap_hdmi_audio = { 372 .name = "omap-hdmi-audio", 373 .id = -1, 374 }; 375 376 static void __init omap_init_hdmi_audio(void) 377 { 378 struct omap_hwmod *oh; 379 struct platform_device *pdev; 380 381 oh = omap_hwmod_lookup("dss_hdmi"); 382 if (!oh) 383 return; 384 385 pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0); 386 WARN(IS_ERR(pdev), 387 "Can't build omap_device for omap-hdmi-audio-dai.\n"); 388 389 platform_device_register(&omap_hdmi_audio); 390 } 391 #else 392 static inline void omap_init_hdmi_audio(void) {} 393 #endif 394 395 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) 396 397 #include <linux/platform_data/spi-omap2-mcspi.h> 398 399 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused) 400 { 401 struct platform_device *pdev; 402 char *name = "omap2_mcspi"; 403 struct omap2_mcspi_platform_config *pdata; 404 static int spi_num; 405 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr; 406 407 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); 408 if (!pdata) { 409 pr_err("Memory allocation for McSPI device failed\n"); 410 return -ENOMEM; 411 } 412 413 pdata->num_cs = mcspi_attrib->num_chipselect; 414 switch (oh->class->rev) { 415 case OMAP2_MCSPI_REV: 416 case OMAP3_MCSPI_REV: 417 pdata->regs_offset = 0; 418 break; 419 case OMAP4_MCSPI_REV: 420 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET; 421 break; 422 default: 423 pr_err("Invalid McSPI Revision value\n"); 424 kfree(pdata); 425 return -EINVAL; 426 } 427 428 spi_num++; 429 pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata)); 430 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", 431 name, oh->name); 432 kfree(pdata); 433 return 0; 434 } 435 436 static void omap_init_mcspi(void) 437 { 438 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); 439 } 440 441 #else 442 static inline void omap_init_mcspi(void) {} 443 #endif 444 445 /** 446 * omap_init_rng - bind the RNG hwmod to the RNG omap_device 447 * 448 * Bind the RNG hwmod to the RNG omap_device. No return value. 449 */ 450 static void omap_init_rng(void) 451 { 452 struct omap_hwmod *oh; 453 struct platform_device *pdev; 454 455 oh = omap_hwmod_lookup("rng"); 456 if (!oh) 457 return; 458 459 pdev = omap_device_build("omap_rng", -1, oh, NULL, 0); 460 WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); 461 } 462 463 static void __init omap_init_sham(void) 464 { 465 struct omap_hwmod *oh; 466 struct platform_device *pdev; 467 468 oh = omap_hwmod_lookup("sham"); 469 if (!oh) 470 return; 471 472 pdev = omap_device_build("omap-sham", -1, oh, NULL, 0); 473 WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n"); 474 } 475 476 static void __init omap_init_aes(void) 477 { 478 struct omap_hwmod *oh; 479 struct platform_device *pdev; 480 481 oh = omap_hwmod_lookup("aes"); 482 if (!oh) 483 return; 484 485 pdev = omap_device_build("omap-aes", -1, oh, NULL, 0); 486 WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n"); 487 } 488 489 /*-------------------------------------------------------------------------*/ 490 491 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \ 492 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE) 493 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) 494 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = { 495 }; 496 #else 497 static struct resource omap_vout_resource[2] = { 498 }; 499 #endif 500 501 static struct platform_device omap_vout_device = { 502 .name = "omap_vout", 503 .num_resources = ARRAY_SIZE(omap_vout_resource), 504 .resource = &omap_vout_resource[0], 505 .id = -1, 506 }; 507 static void omap_init_vout(void) 508 { 509 if (platform_device_register(&omap_vout_device) < 0) 510 printk(KERN_ERR "Unable to register OMAP-VOUT device\n"); 511 } 512 #else 513 static inline void omap_init_vout(void) {} 514 #endif 515 516 #if IS_ENABLED(CONFIG_WL12XX) 517 518 static struct wl12xx_platform_data wl12xx __initdata; 519 520 void __init omap_init_wl12xx_of(void) 521 { 522 int ret; 523 524 if (!of_have_populated_dt()) 525 return; 526 527 if (of_machine_is_compatible("ti,omap4-sdp")) { 528 wl12xx.board_ref_clock = WL12XX_REFCLOCK_26; 529 wl12xx.board_tcxo_clock = WL12XX_TCXOCLOCK_26; 530 wl12xx.irq = gpio_to_irq(53); 531 } else if (of_machine_is_compatible("ti,omap4-panda")) { 532 wl12xx.board_ref_clock = WL12XX_REFCLOCK_38; 533 wl12xx.irq = gpio_to_irq(53); 534 } else { 535 return; 536 } 537 538 ret = wl12xx_set_platform_data(&wl12xx); 539 if (ret) { 540 pr_err("error setting wl12xx data: %d\n", ret); 541 return; 542 } 543 } 544 #else 545 static inline void omap_init_wl12xx_of(void) 546 { 547 } 548 #endif 549 550 /*-------------------------------------------------------------------------*/ 551 552 static int __init omap2_init_devices(void) 553 { 554 /* Enable dummy states for those platforms without pinctrl support */ 555 if (!of_have_populated_dt()) 556 pinctrl_provide_dummies(); 557 558 /* 559 * please keep these calls, and their implementations above, 560 * in alphabetical order so they're easier to sort through. 561 */ 562 omap_init_audio(); 563 omap_init_camera(); 564 omap_init_hdmi_audio(); 565 omap_init_mbox(); 566 /* If dtb is there, the devices will be created dynamically */ 567 if (!of_have_populated_dt()) { 568 omap_init_dmic(); 569 omap_init_mcpdm(); 570 omap_init_mcspi(); 571 omap_init_sham(); 572 omap_init_aes(); 573 } else { 574 /* These can be removed when bindings are done */ 575 omap_init_wl12xx_of(); 576 } 577 omap_init_sti(); 578 omap_init_rng(); 579 omap_init_vout(); 580 581 return 0; 582 } 583 omap_arch_initcall(omap2_init_devices); 584