projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branch 'omap-for-v3.8/cleanup-headers-prepare-multiplatform-v3' into omap-for...
[deliverable/linux.git] / 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
23 #include <asm/mach-types.h>
24 #include <asm/mach/map.h>
25
26 #include <plat-omap/dma-omap.h>
27
28 #include "iomap.h"
29 #include "omap_hwmod.h"
30 #include "omap_device.h"
31 #include "omap4-keypad.h"
32
33 #include "soc.h"
34 #include "common.h"
35 #include "mux.h"
36 #include "control.h"
37 #include "devices.h"
38 #include "dma.h"
39
40 #define L3_MODULES_MAX_LEN 12
41 #define L3_MODULES 3
42
43 static int __init omap3_l3_init(void)
44 {
45 struct omap_hwmod *oh;
46 struct platform_device *pdev;
47 char oh_name[L3_MODULES_MAX_LEN];
48
49 /*
50 * To avoid code running on other OMAPs in
51 * multi-omap builds
52 */
53 if (!(cpu_is_omap34xx()))
54 return -ENODEV;
55
56 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
57
58 oh = omap_hwmod_lookup(oh_name);
59
60 if (!oh)
61 pr_err("could not look up %s\n", oh_name);
62
63 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0,
64 NULL, 0, 0);
65
66 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
67
68 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
69 }
70 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,
99 0, NULL, 0, 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 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 <plat/iommu.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 = 24 + OMAP_INTC_START,
206 .flags = IORESOURCE_IRQ,
207 }
208 };
209
210 static struct platform_device omap3isp_device = {
211 .name = "omap3isp",
212 .id = -1,
213 .num_resources = ARRAY_SIZE(omap3isp_resources),
214 .resource = omap3isp_resources,
215 };
216
217 static struct omap_iommu_arch_data omap3_isp_iommu = {
218 .name = "isp",
219 };
220
221 int omap3_init_camera(struct isp_platform_data *pdata)
222 {
223 omap3isp_device.dev.platform_data = pdata;
224 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
225
226 return platform_device_register(&omap3isp_device);
227 }
228
229 #else /* !CONFIG_IOMMU_API */
230
231 int omap3_init_camera(struct isp_platform_data *pdata)
232 {
233 return 0;
234 }
235
236 #endif
237
238 static inline void omap_init_camera(void)
239 {
240 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
241 if (cpu_is_omap24xx())
242 platform_device_register(&omap2cam_device);
243 #endif
244 }
245
246 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
247 *sdp4430_keypad_data, struct omap_board_data *bdata)
248 {
249 struct platform_device *pdev;
250 struct omap_hwmod *oh;
251 struct omap4_keypad_platform_data *keypad_data;
252 unsigned int id = -1;
253 char *oh_name = "kbd";
254 char *name = "omap4-keypad";
255
256 oh = omap_hwmod_lookup(oh_name);
257 if (!oh) {
258 pr_err("Could not look up %s\n", oh_name);
259 return -ENODEV;
260 }
261
262 keypad_data = sdp4430_keypad_data;
263
264 pdev = omap_device_build(name, id, oh, keypad_data,
265 sizeof(struct omap4_keypad_platform_data), NULL, 0, 0);
266
267 if (IS_ERR(pdev)) {
268 WARN(1, "Can't build omap_device for %s:%s.\n",
269 name, oh->name);
270 return PTR_ERR(pdev);
271 }
272 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
273
274 return 0;
275 }
276
277 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
278 static inline void __init omap_init_mbox(void)
279 {
280 struct omap_hwmod *oh;
281 struct platform_device *pdev;
282
283 oh = omap_hwmod_lookup("mailbox");
284 if (!oh) {
285 pr_err("%s: unable to find hwmod\n", __func__);
286 return;
287 }
288
289 pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0, NULL, 0, 0);
290 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
291 __func__, PTR_ERR(pdev));
292 }
293 #else
294 static inline void omap_init_mbox(void) { }
295 #endif /* CONFIG_OMAP_MBOX_FWK */
296
297 static inline void omap_init_sti(void) {}
298
299 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
300
301 static struct platform_device omap_pcm = {
302 .name = "omap-pcm-audio",
303 .id = -1,
304 };
305
306 static void omap_init_audio(void)
307 {
308 platform_device_register(&omap_pcm);
309 }
310
311 #else
312 static inline void omap_init_audio(void) {}
313 #endif
314
315 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
316 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
317
318 static void __init omap_init_mcpdm(void)
319 {
320 struct omap_hwmod *oh;
321 struct platform_device *pdev;
322
323 oh = omap_hwmod_lookup("mcpdm");
324 if (!oh) {
325 printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
326 return;
327 }
328
329 pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0, NULL, 0, 0);
330 WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n");
331 }
332 #else
333 static inline void omap_init_mcpdm(void) {}
334 #endif
335
336 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
337 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
338
339 static void __init omap_init_dmic(void)
340 {
341 struct omap_hwmod *oh;
342 struct platform_device *pdev;
343
344 oh = omap_hwmod_lookup("dmic");
345 if (!oh) {
346 pr_err("Could not look up dmic hw_mod\n");
347 return;
348 }
349
350 pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0, NULL, 0, 0);
351 WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n");
352 }
353 #else
354 static inline void omap_init_dmic(void) {}
355 #endif
356
357 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
358 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
359
360 static struct platform_device omap_hdmi_audio = {
361 .name = "omap-hdmi-audio",
362 .id = -1,
363 };
364
365 static void __init omap_init_hdmi_audio(void)
366 {
367 struct omap_hwmod *oh;
368 struct platform_device *pdev;
369
370 oh = omap_hwmod_lookup("dss_hdmi");
371 if (!oh) {
372 printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n");
373 return;
374 }
375
376 pdev = omap_device_build("omap-hdmi-audio-dai",
377 -1, oh, NULL, 0, NULL, 0, 0);
378 WARN(IS_ERR(pdev),
379 "Can't build omap_device for omap-hdmi-audio-dai.\n");
380
381 platform_device_register(&omap_hdmi_audio);
382 }
383 #else
384 static inline void omap_init_hdmi_audio(void) {}
385 #endif
386
387 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
388
389 #include <linux/platform_data/spi-omap2-mcspi.h>
390
391 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
392 {
393 struct platform_device *pdev;
394 char *name = "omap2_mcspi";
395 struct omap2_mcspi_platform_config *pdata;
396 static int spi_num;
397 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
398
399 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
400 if (!pdata) {
401 pr_err("Memory allocation for McSPI device failed\n");
402 return -ENOMEM;
403 }
404
405 pdata->num_cs = mcspi_attrib->num_chipselect;
406 switch (oh->class->rev) {
407 case OMAP2_MCSPI_REV:
408 case OMAP3_MCSPI_REV:
409 pdata->regs_offset = 0;
410 break;
411 case OMAP4_MCSPI_REV:
412 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
413 break;
414 default:
415 pr_err("Invalid McSPI Revision value\n");
416 kfree(pdata);
417 return -EINVAL;
418 }
419
420 spi_num++;
421 pdev = omap_device_build(name, spi_num, oh, pdata,
422 sizeof(*pdata), NULL, 0, 0);
423 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
424 name, oh->name);
425 kfree(pdata);
426 return 0;
427 }
428
429 static void omap_init_mcspi(void)
430 {
431 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
432 }
433
434 #else
435 static inline void omap_init_mcspi(void) {}
436 #endif
437
438 /**
439 * omap_init_rng - bind the RNG hwmod to the RNG omap_device
440 *
441 * Bind the RNG hwmod to the RNG omap_device. No return value.
442 */
443 static void omap_init_rng(void)
444 {
445 struct omap_hwmod *oh;
446 struct platform_device *pdev;
447
448 oh = omap_hwmod_lookup("rng");
449 if (!oh)
450 return;
451
452 pdev = omap_device_build("omap_rng", -1, oh, NULL, 0, NULL, 0, 0);
453 WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
454 }
455
456 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
457
458 #ifdef CONFIG_ARCH_OMAP2
459 static struct resource omap2_sham_resources[] = {
460 {
461 .start = OMAP24XX_SEC_SHA1MD5_BASE,
462 .end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
463 .flags = IORESOURCE_MEM,
464 },
465 {
466 .start = 51 + OMAP_INTC_START,
467 .flags = IORESOURCE_IRQ,
468 }
469 };
470 static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
471 #else
472 #define omap2_sham_resources NULL
473 #define omap2_sham_resources_sz 0
474 #endif
475
476 #ifdef CONFIG_ARCH_OMAP3
477 static struct resource omap3_sham_resources[] = {
478 {
479 .start = OMAP34XX_SEC_SHA1MD5_BASE,
480 .end = OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
481 .flags = IORESOURCE_MEM,
482 },
483 {
484 .start = 49 + OMAP_INTC_START,
485 .flags = IORESOURCE_IRQ,
486 },
487 {
488 .start = OMAP34XX_DMA_SHA1MD5_RX,
489 .flags = IORESOURCE_DMA,
490 }
491 };
492 static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
493 #else
494 #define omap3_sham_resources NULL
495 #define omap3_sham_resources_sz 0
496 #endif
497
498 static struct platform_device sham_device = {
499 .name = "omap-sham",
500 .id = -1,
501 };
502
503 static void omap_init_sham(void)
504 {
505 if (cpu_is_omap24xx()) {
506 sham_device.resource = omap2_sham_resources;
507 sham_device.num_resources = omap2_sham_resources_sz;
508 } else if (cpu_is_omap34xx()) {
509 sham_device.resource = omap3_sham_resources;
510 sham_device.num_resources = omap3_sham_resources_sz;
511 } else {
512 pr_err("%s: platform not supported\n", __func__);
513 return;
514 }
515 platform_device_register(&sham_device);
516 }
517 #else
518 static inline void omap_init_sham(void) { }
519 #endif
520
521 #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
522
523 #ifdef CONFIG_ARCH_OMAP2
524 static struct resource omap2_aes_resources[] = {
525 {
526 .start = OMAP24XX_SEC_AES_BASE,
527 .end = OMAP24XX_SEC_AES_BASE + 0x4C,
528 .flags = IORESOURCE_MEM,
529 },
530 {
531 .start = OMAP24XX_DMA_AES_TX,
532 .flags = IORESOURCE_DMA,
533 },
534 {
535 .start = OMAP24XX_DMA_AES_RX,
536 .flags = IORESOURCE_DMA,
537 }
538 };
539 static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
540 #else
541 #define omap2_aes_resources NULL
542 #define omap2_aes_resources_sz 0
543 #endif
544
545 #ifdef CONFIG_ARCH_OMAP3
546 static struct resource omap3_aes_resources[] = {
547 {
548 .start = OMAP34XX_SEC_AES_BASE,
549 .end = OMAP34XX_SEC_AES_BASE + 0x4C,
550 .flags = IORESOURCE_MEM,
551 },
552 {
553 .start = OMAP34XX_DMA_AES2_TX,
554 .flags = IORESOURCE_DMA,
555 },
556 {
557 .start = OMAP34XX_DMA_AES2_RX,
558 .flags = IORESOURCE_DMA,
559 }
560 };
561 static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
562 #else
563 #define omap3_aes_resources NULL
564 #define omap3_aes_resources_sz 0
565 #endif
566
567 static struct platform_device aes_device = {
568 .name = "omap-aes",
569 .id = -1,
570 };
571
572 static void omap_init_aes(void)
573 {
574 if (cpu_is_omap24xx()) {
575 aes_device.resource = omap2_aes_resources;
576 aes_device.num_resources = omap2_aes_resources_sz;
577 } else if (cpu_is_omap34xx()) {
578 aes_device.resource = omap3_aes_resources;
579 aes_device.num_resources = omap3_aes_resources_sz;
580 } else {
581 pr_err("%s: platform not supported\n", __func__);
582 return;
583 }
584 platform_device_register(&aes_device);
585 }
586
587 #else
588 static inline void omap_init_aes(void) { }
589 #endif
590
591 /*-------------------------------------------------------------------------*/
592
593 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
594 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
595 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
596 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
597 };
598 #else
599 static struct resource omap_vout_resource[2] = {
600 };
601 #endif
602
603 static struct platform_device omap_vout_device = {
604 .name = "omap_vout",
605 .num_resources = ARRAY_SIZE(omap_vout_resource),
606 .resource = &omap_vout_resource[0],
607 .id = -1,
608 };
609 static void omap_init_vout(void)
610 {
611 if (platform_device_register(&omap_vout_device) < 0)
612 printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
613 }
614 #else
615 static inline void omap_init_vout(void) {}
616 #endif
617
618 /*-------------------------------------------------------------------------*/
619
620 static int __init omap2_init_devices(void)
621 {
622 /* Enable dummy states for those platforms without pinctrl support */
623 if (!of_have_populated_dt())
624 pinctrl_provide_dummies();
625
626 /*
627 * please keep these calls, and their implementations above,
628 * in alphabetical order so they're easier to sort through.
629 */
630 omap_init_audio();
631 omap_init_camera();
632 omap_init_hdmi_audio();
633 omap_init_mbox();
634 /* If dtb is there, the devices will be created dynamically */
635 if (!of_have_populated_dt()) {
636 omap_init_dmic();
637 omap_init_mcpdm();
638 omap_init_mcspi();
639 }
640 omap_init_sti();
641 omap_init_rng();
642 omap_init_sham();
643 omap_init_aes();
644 omap_init_vout();
645
646 return 0;
647 }
648 arch_initcall(omap2_init_devices);
649
650 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
651 static int __init omap_init_wdt(void)
652 {
653 int id = -1;
654 struct platform_device *pdev;
655 struct omap_hwmod *oh;
656 char *oh_name = "wd_timer2";
657 char *dev_name = "omap_wdt";
658
659 if (!cpu_class_is_omap2() || of_have_populated_dt())
660 return 0;
661
662 oh = omap_hwmod_lookup(oh_name);
663 if (!oh) {
664 pr_err("Could not look up wd_timer%d hwmod\n", id);
665 return -EINVAL;
666 }
667
668 pdev = omap_device_build(dev_name, id, oh, NULL, 0, NULL, 0, 0);
669 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n",
670 dev_name, oh->name);
671 return 0;
672 }
673 subsys_initcall(omap_init_wdt);
674 #endif
Linux kernel - Deliverables
This page took 0.045272 seconds and 6 git commands to generate.