projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[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 #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 static void __init omap_init_aes(void)
521 {
522 struct omap_hwmod *oh;
523 struct platform_device *pdev;
524
525 oh = omap_hwmod_lookup("aes");
526 if (!oh)
527 return;
528
529 pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
530 WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
531 }
532
533 /*-------------------------------------------------------------------------*/
534
535 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
536 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
537 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
538 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
539 };
540 #else
541 static struct resource omap_vout_resource[2] = {
542 };
543 #endif
544
545 static struct platform_device omap_vout_device = {
546 .name = "omap_vout",
547 .num_resources = ARRAY_SIZE(omap_vout_resource),
548 .resource = &omap_vout_resource[0],
549 .id = -1,
550 };
551 static void omap_init_vout(void)
552 {
553 if (platform_device_register(&omap_vout_device) < 0)
554 printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
555 }
556 #else
557 static inline void omap_init_vout(void) {}
558 #endif
559
560 #if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)
561 static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
562 {
563 int cnt = 0;
564
565 while (ocp2scp_dev->drv_name != NULL) {
566 cnt++;
567 ocp2scp_dev++;
568 }
569
570 return cnt;
571 }
572
573 static void __init omap_init_ocp2scp(void)
574 {
575 struct omap_hwmod *oh;
576 struct platform_device *pdev;
577 int bus_id = -1, dev_cnt = 0, i;
578 struct omap_ocp2scp_dev *ocp2scp_dev;
579 const char *oh_name, *name;
580 struct omap_ocp2scp_platform_data *pdata;
581
582 if (!cpu_is_omap44xx())
583 return;
584
585 oh_name = "ocp2scp_usb_phy";
586 name = "omap-ocp2scp";
587
588 oh = omap_hwmod_lookup(oh_name);
589 if (!oh) {
590 pr_err("%s: could not find omap_hwmod for %s\n", __func__,
591 oh_name);
592 return;
593 }
594
595 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
596 if (!pdata) {
597 pr_err("%s: No memory for ocp2scp pdata\n", __func__);
598 return;
599 }
600
601 ocp2scp_dev = oh->dev_attr;
602 dev_cnt = count_ocp2scp_devices(ocp2scp_dev);
603
604 if (!dev_cnt) {
605 pr_err("%s: No devices connected to ocp2scp\n", __func__);
606 kfree(pdata);
607 return;
608 }
609
610 pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)
611 * dev_cnt, GFP_KERNEL);
612 if (!pdata->devices) {
613 pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);
614 kfree(pdata);
615 return;
616 }
617
618 for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)
619 pdata->devices[i] = ocp2scp_dev;
620
621 pdata->dev_cnt = dev_cnt;
622
623 pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata));
624 if (IS_ERR(pdev)) {
625 pr_err("Could not build omap_device for %s %s\n",
626 name, oh_name);
627 kfree(pdata->devices);
628 kfree(pdata);
629 return;
630 }
631 }
632 #else
633 static inline void omap_init_ocp2scp(void) { }
634 #endif
635
636 /*-------------------------------------------------------------------------*/
637
638 static int __init omap2_init_devices(void)
639 {
640 /* Enable dummy states for those platforms without pinctrl support */
641 if (!of_have_populated_dt())
642 pinctrl_provide_dummies();
643
644 /*
645 * please keep these calls, and their implementations above,
646 * in alphabetical order so they're easier to sort through.
647 */
648 omap_init_audio();
649 omap_init_camera();
650 omap_init_hdmi_audio();
651 omap_init_mbox();
652 /* If dtb is there, the devices will be created dynamically */
653 if (!of_have_populated_dt()) {
654 omap_init_control_usb();
655 omap_init_dmic();
656 omap_init_mcpdm();
657 omap_init_mcspi();
658 omap_init_sham();
659 omap_init_aes();
660 }
661 omap_init_sti();
662 omap_init_rng();
663 omap_init_vout();
664 omap_init_ocp2scp();
665
666 return 0;
667 }
668 omap_arch_initcall(omap2_init_devices);
Linux kernel - Deliverables
This page took 0.045611 seconds and 5 git commands to generate.