Merge tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
[linux-3.10.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);