Adding support for MOXA ART SoC. Testing port of linux-2.6.32.60-moxart.
[linux-3.6.7-moxart.git] / arch / arm / mach-omap2 / devices.c
blobc00c68961bb848d16a68802003a4ee6402cf4710
1 /*
2 * linux/arch/arm/mach-omap2/devices.c
4 * OMAP2 platform device setup/initialization
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.
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/platform_data/omap4-keypad.h>
22 #include <mach/hardware.h>
23 #include <mach/irqs.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/map.h>
26 #include <asm/pmu.h>
28 #include "iomap.h"
29 #include <plat/board.h>
30 #include <plat/dma.h>
31 #include <plat/omap_hwmod.h>
32 #include <plat/omap_device.h>
33 #include <plat/omap4-keypad.h>
35 #include "mux.h"
36 #include "control.h"
37 #include "devices.h"
39 #define L3_MODULES_MAX_LEN 12
40 #define L3_MODULES 3
42 static int __init omap3_l3_init(void)
44 struct omap_hwmod *oh;
45 struct platform_device *pdev;
46 char oh_name[L3_MODULES_MAX_LEN];
49 * To avoid code running on other OMAPs in
50 * multi-omap builds
52 if (!(cpu_is_omap34xx()))
53 return -ENODEV;
55 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
57 oh = omap_hwmod_lookup(oh_name);
59 if (!oh)
60 pr_err("could not look up %s\n", oh_name);
62 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0,
63 NULL, 0, 0);
65 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
67 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
69 postcore_initcall(omap3_l3_init);
71 static int __init omap4_l3_init(void)
73 int i;
74 struct omap_hwmod *oh[3];
75 struct platform_device *pdev;
76 char oh_name[L3_MODULES_MAX_LEN];
78 /* If dtb is there, the devices will be created dynamically */
79 if (of_have_populated_dt())
80 return -ENODEV;
83 * To avoid code running on other OMAPs in
84 * multi-omap builds
86 if (!cpu_is_omap44xx() && !soc_is_omap54xx())
87 return -ENODEV;
89 for (i = 0; i < L3_MODULES; i++) {
90 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
92 oh[i] = omap_hwmod_lookup(oh_name);
93 if (!(oh[i]))
94 pr_err("could not look up %s\n", oh_name);
97 pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL,
98 0, NULL, 0, 0);
100 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
102 return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
104 postcore_initcall(omap4_l3_init);
106 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
108 static struct resource omap2cam_resources[] = {
110 .start = OMAP24XX_CAMERA_BASE,
111 .end = OMAP24XX_CAMERA_BASE + 0xfff,
112 .flags = IORESOURCE_MEM,
115 .start = INT_24XX_CAM_IRQ,
116 .flags = IORESOURCE_IRQ,
120 static struct platform_device omap2cam_device = {
121 .name = "omap24xxcam",
122 .id = -1,
123 .num_resources = ARRAY_SIZE(omap2cam_resources),
124 .resource = omap2cam_resources,
126 #endif
128 #if defined(CONFIG_IOMMU_API)
130 #include <plat/iommu.h>
132 static struct resource omap3isp_resources[] = {
134 .start = OMAP3430_ISP_BASE,
135 .end = OMAP3430_ISP_END,
136 .flags = IORESOURCE_MEM,
139 .start = OMAP3430_ISP_CCP2_BASE,
140 .end = OMAP3430_ISP_CCP2_END,
141 .flags = IORESOURCE_MEM,
144 .start = OMAP3430_ISP_CCDC_BASE,
145 .end = OMAP3430_ISP_CCDC_END,
146 .flags = IORESOURCE_MEM,
149 .start = OMAP3430_ISP_HIST_BASE,
150 .end = OMAP3430_ISP_HIST_END,
151 .flags = IORESOURCE_MEM,
154 .start = OMAP3430_ISP_H3A_BASE,
155 .end = OMAP3430_ISP_H3A_END,
156 .flags = IORESOURCE_MEM,
159 .start = OMAP3430_ISP_PREV_BASE,
160 .end = OMAP3430_ISP_PREV_END,
161 .flags = IORESOURCE_MEM,
164 .start = OMAP3430_ISP_RESZ_BASE,
165 .end = OMAP3430_ISP_RESZ_END,
166 .flags = IORESOURCE_MEM,
169 .start = OMAP3430_ISP_SBL_BASE,
170 .end = OMAP3430_ISP_SBL_END,
171 .flags = IORESOURCE_MEM,
174 .start = OMAP3430_ISP_CSI2A_REGS1_BASE,
175 .end = OMAP3430_ISP_CSI2A_REGS1_END,
176 .flags = IORESOURCE_MEM,
179 .start = OMAP3430_ISP_CSIPHY2_BASE,
180 .end = OMAP3430_ISP_CSIPHY2_END,
181 .flags = IORESOURCE_MEM,
184 .start = OMAP3630_ISP_CSI2A_REGS2_BASE,
185 .end = OMAP3630_ISP_CSI2A_REGS2_END,
186 .flags = IORESOURCE_MEM,
189 .start = OMAP3630_ISP_CSI2C_REGS1_BASE,
190 .end = OMAP3630_ISP_CSI2C_REGS1_END,
191 .flags = IORESOURCE_MEM,
194 .start = OMAP3630_ISP_CSIPHY1_BASE,
195 .end = OMAP3630_ISP_CSIPHY1_END,
196 .flags = IORESOURCE_MEM,
199 .start = OMAP3630_ISP_CSI2C_REGS2_BASE,
200 .end = OMAP3630_ISP_CSI2C_REGS2_END,
201 .flags = IORESOURCE_MEM,
204 .start = INT_34XX_CAM_IRQ,
205 .flags = IORESOURCE_IRQ,
209 static struct platform_device omap3isp_device = {
210 .name = "omap3isp",
211 .id = -1,
212 .num_resources = ARRAY_SIZE(omap3isp_resources),
213 .resource = omap3isp_resources,
216 static struct omap_iommu_arch_data omap3_isp_iommu = {
217 .name = "isp",
220 int omap3_init_camera(struct isp_platform_data *pdata)
222 omap3isp_device.dev.platform_data = pdata;
223 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
225 return platform_device_register(&omap3isp_device);
228 #else /* !CONFIG_IOMMU_API */
230 int omap3_init_camera(struct isp_platform_data *pdata)
232 return 0;
235 #endif
237 static inline void omap_init_camera(void)
239 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
240 if (cpu_is_omap24xx())
241 platform_device_register(&omap2cam_device);
242 #endif
245 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
246 *sdp4430_keypad_data, struct omap_board_data *bdata)
248 struct platform_device *pdev;
249 struct omap_hwmod *oh;
250 struct omap4_keypad_platform_data *keypad_data;
251 unsigned int id = -1;
252 char *oh_name = "kbd";
253 char *name = "omap4-keypad";
255 oh = omap_hwmod_lookup(oh_name);
256 if (!oh) {
257 pr_err("Could not look up %s\n", oh_name);
258 return -ENODEV;
261 keypad_data = sdp4430_keypad_data;
263 pdev = omap_device_build(name, id, oh, keypad_data,
264 sizeof(struct omap4_keypad_platform_data), NULL, 0, 0);
266 if (IS_ERR(pdev)) {
267 WARN(1, "Can't build omap_device for %s:%s.\n",
268 name, oh->name);
269 return PTR_ERR(pdev);
271 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
273 return 0;
276 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
277 static inline void __init omap_init_mbox(void)
279 struct omap_hwmod *oh;
280 struct platform_device *pdev;
282 oh = omap_hwmod_lookup("mailbox");
283 if (!oh) {
284 pr_err("%s: unable to find hwmod\n", __func__);
285 return;
288 pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0, NULL, 0, 0);
289 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
290 __func__, PTR_ERR(pdev));
292 #else
293 static inline void omap_init_mbox(void) { }
294 #endif /* CONFIG_OMAP_MBOX_FWK */
296 static inline void omap_init_sti(void) {}
298 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
300 static struct platform_device omap_pcm = {
301 .name = "omap-pcm-audio",
302 .id = -1,
305 static void omap_init_audio(void)
307 platform_device_register(&omap_pcm);
310 #else
311 static inline void omap_init_audio(void) {}
312 #endif
314 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
315 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
317 static void __init omap_init_mcpdm(void)
319 struct omap_hwmod *oh;
320 struct platform_device *pdev;
322 oh = omap_hwmod_lookup("mcpdm");
323 if (!oh) {
324 printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
325 return;
328 pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0, NULL, 0, 0);
329 WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n");
331 #else
332 static inline void omap_init_mcpdm(void) {}
333 #endif
335 #if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
336 defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
338 static void __init omap_init_dmic(void)
340 struct omap_hwmod *oh;
341 struct platform_device *pdev;
343 oh = omap_hwmod_lookup("dmic");
344 if (!oh) {
345 printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
346 return;
349 pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0, NULL, 0, 0);
350 WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n");
352 #else
353 static inline void omap_init_dmic(void) {}
354 #endif
356 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
357 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
359 static struct platform_device omap_hdmi_audio = {
360 .name = "omap-hdmi-audio",
361 .id = -1,
364 static void __init omap_init_hdmi_audio(void)
366 struct omap_hwmod *oh;
367 struct platform_device *pdev;
369 oh = omap_hwmod_lookup("dss_hdmi");
370 if (!oh) {
371 printk(KERN_ERR "Could not look up dss_hdmi hw_mod\n");
372 return;
375 pdev = omap_device_build("omap-hdmi-audio-dai",
376 -1, oh, NULL, 0, NULL, 0, 0);
377 WARN(IS_ERR(pdev),
378 "Can't build omap_device for omap-hdmi-audio-dai.\n");
380 platform_device_register(&omap_hdmi_audio);
382 #else
383 static inline void omap_init_hdmi_audio(void) {}
384 #endif
386 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
388 #include <plat/mcspi.h>
390 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
392 struct platform_device *pdev;
393 char *name = "omap2_mcspi";
394 struct omap2_mcspi_platform_config *pdata;
395 static int spi_num;
396 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
398 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
399 if (!pdata) {
400 pr_err("Memory allocation for McSPI device failed\n");
401 return -ENOMEM;
404 pdata->num_cs = mcspi_attrib->num_chipselect;
405 switch (oh->class->rev) {
406 case OMAP2_MCSPI_REV:
407 case OMAP3_MCSPI_REV:
408 pdata->regs_offset = 0;
409 break;
410 case OMAP4_MCSPI_REV:
411 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
412 break;
413 default:
414 pr_err("Invalid McSPI Revision value\n");
415 kfree(pdata);
416 return -EINVAL;
419 spi_num++;
420 pdev = omap_device_build(name, spi_num, oh, pdata,
421 sizeof(*pdata), NULL, 0, 0);
422 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
423 name, oh->name);
424 kfree(pdata);
425 return 0;
428 static void omap_init_mcspi(void)
430 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
433 #else
434 static inline void omap_init_mcspi(void) {}
435 #endif
437 static struct resource omap2_pmu_resource = {
438 .start = 3,
439 .end = 3,
440 .flags = IORESOURCE_IRQ,
443 static struct resource omap3_pmu_resource = {
444 .start = INT_34XX_BENCH_MPU_EMUL,
445 .end = INT_34XX_BENCH_MPU_EMUL,
446 .flags = IORESOURCE_IRQ,
449 static struct platform_device omap_pmu_device = {
450 .name = "arm-pmu",
451 .id = ARM_PMU_DEVICE_CPU,
452 .num_resources = 1,
455 static void omap_init_pmu(void)
457 if (cpu_is_omap24xx())
458 omap_pmu_device.resource = &omap2_pmu_resource;
459 else if (cpu_is_omap34xx())
460 omap_pmu_device.resource = &omap3_pmu_resource;
461 else
462 return;
464 platform_device_register(&omap_pmu_device);
468 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
470 #ifdef CONFIG_ARCH_OMAP2
471 static struct resource omap2_sham_resources[] = {
473 .start = OMAP24XX_SEC_SHA1MD5_BASE,
474 .end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
475 .flags = IORESOURCE_MEM,
478 .start = INT_24XX_SHA1MD5,
479 .flags = IORESOURCE_IRQ,
482 static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
483 #else
484 #define omap2_sham_resources NULL
485 #define omap2_sham_resources_sz 0
486 #endif
488 #ifdef CONFIG_ARCH_OMAP3
489 static struct resource omap3_sham_resources[] = {
491 .start = OMAP34XX_SEC_SHA1MD5_BASE,
492 .end = OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
493 .flags = IORESOURCE_MEM,
496 .start = INT_34XX_SHA1MD52_IRQ,
497 .flags = IORESOURCE_IRQ,
500 .start = OMAP34XX_DMA_SHA1MD5_RX,
501 .flags = IORESOURCE_DMA,
504 static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
505 #else
506 #define omap3_sham_resources NULL
507 #define omap3_sham_resources_sz 0
508 #endif
510 static struct platform_device sham_device = {
511 .name = "omap-sham",
512 .id = -1,
515 static void omap_init_sham(void)
517 if (cpu_is_omap24xx()) {
518 sham_device.resource = omap2_sham_resources;
519 sham_device.num_resources = omap2_sham_resources_sz;
520 } else if (cpu_is_omap34xx()) {
521 sham_device.resource = omap3_sham_resources;
522 sham_device.num_resources = omap3_sham_resources_sz;
523 } else {
524 pr_err("%s: platform not supported\n", __func__);
525 return;
527 platform_device_register(&sham_device);
529 #else
530 static inline void omap_init_sham(void) { }
531 #endif
533 #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
535 #ifdef CONFIG_ARCH_OMAP2
536 static struct resource omap2_aes_resources[] = {
538 .start = OMAP24XX_SEC_AES_BASE,
539 .end = OMAP24XX_SEC_AES_BASE + 0x4C,
540 .flags = IORESOURCE_MEM,
543 .start = OMAP24XX_DMA_AES_TX,
544 .flags = IORESOURCE_DMA,
547 .start = OMAP24XX_DMA_AES_RX,
548 .flags = IORESOURCE_DMA,
551 static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
552 #else
553 #define omap2_aes_resources NULL
554 #define omap2_aes_resources_sz 0
555 #endif
557 #ifdef CONFIG_ARCH_OMAP3
558 static struct resource omap3_aes_resources[] = {
560 .start = OMAP34XX_SEC_AES_BASE,
561 .end = OMAP34XX_SEC_AES_BASE + 0x4C,
562 .flags = IORESOURCE_MEM,
565 .start = OMAP34XX_DMA_AES2_TX,
566 .flags = IORESOURCE_DMA,
569 .start = OMAP34XX_DMA_AES2_RX,
570 .flags = IORESOURCE_DMA,
573 static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
574 #else
575 #define omap3_aes_resources NULL
576 #define omap3_aes_resources_sz 0
577 #endif
579 static struct platform_device aes_device = {
580 .name = "omap-aes",
581 .id = -1,
584 static void omap_init_aes(void)
586 if (cpu_is_omap24xx()) {
587 aes_device.resource = omap2_aes_resources;
588 aes_device.num_resources = omap2_aes_resources_sz;
589 } else if (cpu_is_omap34xx()) {
590 aes_device.resource = omap3_aes_resources;
591 aes_device.num_resources = omap3_aes_resources_sz;
592 } else {
593 pr_err("%s: platform not supported\n", __func__);
594 return;
596 platform_device_register(&aes_device);
599 #else
600 static inline void omap_init_aes(void) { }
601 #endif
603 /*-------------------------------------------------------------------------*/
605 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
606 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
607 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
608 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
610 #else
611 static struct resource omap_vout_resource[2] = {
613 #endif
615 static struct platform_device omap_vout_device = {
616 .name = "omap_vout",
617 .num_resources = ARRAY_SIZE(omap_vout_resource),
618 .resource = &omap_vout_resource[0],
619 .id = -1,
621 static void omap_init_vout(void)
623 if (platform_device_register(&omap_vout_device) < 0)
624 printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
626 #else
627 static inline void omap_init_vout(void) {}
628 #endif
630 /*-------------------------------------------------------------------------*/
632 static int __init omap2_init_devices(void)
635 * please keep these calls, and their implementations above,
636 * in alphabetical order so they're easier to sort through.
638 omap_init_audio();
639 omap_init_camera();
640 omap_init_hdmi_audio();
641 omap_init_mbox();
642 /* If dtb is there, the devices will be created dynamically */
643 if (!of_have_populated_dt()) {
644 omap_init_dmic();
645 omap_init_mcpdm();
646 omap_init_mcspi();
648 omap_init_pmu();
649 omap_init_sti();
650 omap_init_sham();
651 omap_init_aes();
652 omap_init_vout();
654 return 0;
656 arch_initcall(omap2_init_devices);
658 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
659 static int __init omap_init_wdt(void)
661 int id = -1;
662 struct platform_device *pdev;
663 struct omap_hwmod *oh;
664 char *oh_name = "wd_timer2";
665 char *dev_name = "omap_wdt";
667 if (!cpu_class_is_omap2() || of_have_populated_dt())
668 return 0;
670 oh = omap_hwmod_lookup(oh_name);
671 if (!oh) {
672 pr_err("Could not look up wd_timer%d hwmod\n", id);
673 return -EINVAL;
676 pdev = omap_device_build(dev_name, id, oh, NULL, 0, NULL, 0, 0);
677 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n",
678 dev_name, oh->name);
679 return 0;
681 subsys_initcall(omap_init_wdt);
682 #endif