xref: /linux/arch/arm/mach-omap2/devices.c (revision 60063497a95e716c9a689af3be2687d261f115b4)
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 
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 
20 #include <mach/hardware.h>
21 #include <mach/irqs.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/map.h>
24 #include <asm/pmu.h>
25 
26 #include <plat/tc.h>
27 #include <plat/board.h>
28 #include <plat/mcbsp.h>
29 #include <mach/gpio.h>
30 #include <plat/mmc.h>
31 #include <plat/dma.h>
32 #include <plat/omap_hwmod.h>
33 #include <plat/omap_device.h>
34 #include <plat/omap4-keypad.h>
35 
36 #include "mux.h"
37 #include "control.h"
38 #include "devices.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 	int l;
46 	struct omap_hwmod *oh;
47 	struct omap_device *od;
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 	l = 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 	od = omap_device_build("omap_l3_smx", 0, oh, NULL, 0,
65 							   NULL, 0, 0);
66 
67 	WARN(IS_ERR(od), "could not build omap_device for %s\n", oh_name);
68 
69 	return IS_ERR(od) ? PTR_ERR(od) : 0;
70 }
71 postcore_initcall(omap3_l3_init);
72 
73 static int __init omap4_l3_init(void)
74 {
75 	int l, i;
76 	struct omap_hwmod *oh[3];
77 	struct omap_device *od;
78 	char oh_name[L3_MODULES_MAX_LEN];
79 
80 	/*
81 	 * To avoid code running on other OMAPs in
82 	 * multi-omap builds
83 	 */
84 	if (!(cpu_is_omap44xx()))
85 		return -ENODEV;
86 
87 	for (i = 0; i < L3_MODULES; i++) {
88 		l = snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
89 
90 		oh[i] = omap_hwmod_lookup(oh_name);
91 		if (!(oh[i]))
92 			pr_err("could not look up %s\n", oh_name);
93 	}
94 
95 	od = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL,
96 						     0, NULL, 0, 0);
97 
98 	WARN(IS_ERR(od), "could not build omap_device for %s\n", oh_name);
99 
100 	return IS_ERR(od) ? PTR_ERR(od) : 0;
101 }
102 postcore_initcall(omap4_l3_init);
103 
104 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
105 
106 static struct resource omap2cam_resources[] = {
107 	{
108 		.start		= OMAP24XX_CAMERA_BASE,
109 		.end		= OMAP24XX_CAMERA_BASE + 0xfff,
110 		.flags		= IORESOURCE_MEM,
111 	},
112 	{
113 		.start		= INT_24XX_CAM_IRQ,
114 		.flags		= IORESOURCE_IRQ,
115 	}
116 };
117 
118 static struct platform_device omap2cam_device = {
119 	.name		= "omap24xxcam",
120 	.id		= -1,
121 	.num_resources	= ARRAY_SIZE(omap2cam_resources),
122 	.resource	= omap2cam_resources,
123 };
124 #endif
125 
126 static struct resource omap3isp_resources[] = {
127 	{
128 		.start		= OMAP3430_ISP_BASE,
129 		.end		= OMAP3430_ISP_END,
130 		.flags		= IORESOURCE_MEM,
131 	},
132 	{
133 		.start		= OMAP3430_ISP_CCP2_BASE,
134 		.end		= OMAP3430_ISP_CCP2_END,
135 		.flags		= IORESOURCE_MEM,
136 	},
137 	{
138 		.start		= OMAP3430_ISP_CCDC_BASE,
139 		.end		= OMAP3430_ISP_CCDC_END,
140 		.flags		= IORESOURCE_MEM,
141 	},
142 	{
143 		.start		= OMAP3430_ISP_HIST_BASE,
144 		.end		= OMAP3430_ISP_HIST_END,
145 		.flags		= IORESOURCE_MEM,
146 	},
147 	{
148 		.start		= OMAP3430_ISP_H3A_BASE,
149 		.end		= OMAP3430_ISP_H3A_END,
150 		.flags		= IORESOURCE_MEM,
151 	},
152 	{
153 		.start		= OMAP3430_ISP_PREV_BASE,
154 		.end		= OMAP3430_ISP_PREV_END,
155 		.flags		= IORESOURCE_MEM,
156 	},
157 	{
158 		.start		= OMAP3430_ISP_RESZ_BASE,
159 		.end		= OMAP3430_ISP_RESZ_END,
160 		.flags		= IORESOURCE_MEM,
161 	},
162 	{
163 		.start		= OMAP3430_ISP_SBL_BASE,
164 		.end		= OMAP3430_ISP_SBL_END,
165 		.flags		= IORESOURCE_MEM,
166 	},
167 	{
168 		.start		= OMAP3430_ISP_CSI2A_REGS1_BASE,
169 		.end		= OMAP3430_ISP_CSI2A_REGS1_END,
170 		.flags		= IORESOURCE_MEM,
171 	},
172 	{
173 		.start		= OMAP3430_ISP_CSIPHY2_BASE,
174 		.end		= OMAP3430_ISP_CSIPHY2_END,
175 		.flags		= IORESOURCE_MEM,
176 	},
177 	{
178 		.start		= OMAP3630_ISP_CSI2A_REGS2_BASE,
179 		.end		= OMAP3630_ISP_CSI2A_REGS2_END,
180 		.flags		= IORESOURCE_MEM,
181 	},
182 	{
183 		.start		= OMAP3630_ISP_CSI2C_REGS1_BASE,
184 		.end		= OMAP3630_ISP_CSI2C_REGS1_END,
185 		.flags		= IORESOURCE_MEM,
186 	},
187 	{
188 		.start		= OMAP3630_ISP_CSIPHY1_BASE,
189 		.end		= OMAP3630_ISP_CSIPHY1_END,
190 		.flags		= IORESOURCE_MEM,
191 	},
192 	{
193 		.start		= OMAP3630_ISP_CSI2C_REGS2_BASE,
194 		.end		= OMAP3630_ISP_CSI2C_REGS2_END,
195 		.flags		= IORESOURCE_MEM,
196 	},
197 	{
198 		.start		= INT_34XX_CAM_IRQ,
199 		.flags		= IORESOURCE_IRQ,
200 	}
201 };
202 
203 static struct platform_device omap3isp_device = {
204 	.name		= "omap3isp",
205 	.id		= -1,
206 	.num_resources	= ARRAY_SIZE(omap3isp_resources),
207 	.resource	= omap3isp_resources,
208 };
209 
210 int omap3_init_camera(struct isp_platform_data *pdata)
211 {
212 	omap3isp_device.dev.platform_data = pdata;
213 	return platform_device_register(&omap3isp_device);
214 }
215 
216 static inline void omap_init_camera(void)
217 {
218 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
219 	if (cpu_is_omap24xx())
220 		platform_device_register(&omap2cam_device);
221 #endif
222 }
223 
224 struct omap_device_pm_latency omap_keyboard_latency[] = {
225 	{
226 		.deactivate_func = omap_device_idle_hwmods,
227 		.activate_func   = omap_device_enable_hwmods,
228 		.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
229 	},
230 };
231 
232 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
233 						*sdp4430_keypad_data)
234 {
235 	struct omap_device *od;
236 	struct omap_hwmod *oh;
237 	struct omap4_keypad_platform_data *keypad_data;
238 	unsigned int id = -1;
239 	char *oh_name = "kbd";
240 	char *name = "omap4-keypad";
241 
242 	oh = omap_hwmod_lookup(oh_name);
243 	if (!oh) {
244 		pr_err("Could not look up %s\n", oh_name);
245 		return -ENODEV;
246 	}
247 
248 	keypad_data = sdp4430_keypad_data;
249 
250 	od = omap_device_build(name, id, oh, keypad_data,
251 			sizeof(struct omap4_keypad_platform_data),
252 			omap_keyboard_latency,
253 			ARRAY_SIZE(omap_keyboard_latency), 0);
254 
255 	if (IS_ERR(od)) {
256 		WARN(1, "Can't build omap_device for %s:%s.\n",
257 						name, oh->name);
258 		return PTR_ERR(od);
259 	}
260 
261 	return 0;
262 }
263 
264 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
265 static struct omap_device_pm_latency mbox_latencies[] = {
266 	[0] = {
267 		.activate_func = omap_device_enable_hwmods,
268 		.deactivate_func = omap_device_idle_hwmods,
269 		.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
270 	},
271 };
272 
273 static inline void omap_init_mbox(void)
274 {
275 	struct omap_hwmod *oh;
276 	struct omap_device *od;
277 
278 	oh = omap_hwmod_lookup("mailbox");
279 	if (!oh) {
280 		pr_err("%s: unable to find hwmod\n", __func__);
281 		return;
282 	}
283 
284 	od = omap_device_build("omap-mailbox", -1, oh, NULL, 0,
285 				mbox_latencies, ARRAY_SIZE(mbox_latencies), 0);
286 	WARN(IS_ERR(od), "%s: could not build device, err %ld\n",
287 						__func__, PTR_ERR(od));
288 }
289 #else
290 static inline void omap_init_mbox(void) { }
291 #endif /* CONFIG_OMAP_MBOX_FWK */
292 
293 static inline void omap_init_sti(void) {}
294 
295 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
296 
297 static struct platform_device omap_pcm = {
298 	.name	= "omap-pcm-audio",
299 	.id	= -1,
300 };
301 
302 /*
303  * OMAP2420 has 2 McBSP ports
304  * OMAP2430 has 5 McBSP ports
305  * OMAP3 has 5 McBSP ports
306  * OMAP4 has 4 McBSP ports
307  */
308 OMAP_MCBSP_PLATFORM_DEVICE(1);
309 OMAP_MCBSP_PLATFORM_DEVICE(2);
310 OMAP_MCBSP_PLATFORM_DEVICE(3);
311 OMAP_MCBSP_PLATFORM_DEVICE(4);
312 OMAP_MCBSP_PLATFORM_DEVICE(5);
313 
314 static void omap_init_audio(void)
315 {
316 	platform_device_register(&omap_mcbsp1);
317 	platform_device_register(&omap_mcbsp2);
318 	if (cpu_is_omap243x() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
319 		platform_device_register(&omap_mcbsp3);
320 		platform_device_register(&omap_mcbsp4);
321 	}
322 	if (cpu_is_omap243x() || cpu_is_omap34xx())
323 		platform_device_register(&omap_mcbsp5);
324 
325 	platform_device_register(&omap_pcm);
326 }
327 
328 #else
329 static inline void omap_init_audio(void) {}
330 #endif
331 
332 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
333 
334 #include <plat/mcspi.h>
335 
336 struct omap_device_pm_latency omap_mcspi_latency[] = {
337 	[0] = {
338 		.deactivate_func = omap_device_idle_hwmods,
339 		.activate_func   = omap_device_enable_hwmods,
340 		.flags		 = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
341 	},
342 };
343 
344 static int omap_mcspi_init(struct omap_hwmod *oh, void *unused)
345 {
346 	struct omap_device *od;
347 	char *name = "omap2_mcspi";
348 	struct omap2_mcspi_platform_config *pdata;
349 	static int spi_num;
350 	struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
351 
352 	pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
353 	if (!pdata) {
354 		pr_err("Memory allocation for McSPI device failed\n");
355 		return -ENOMEM;
356 	}
357 
358 	pdata->num_cs = mcspi_attrib->num_chipselect;
359 	switch (oh->class->rev) {
360 	case OMAP2_MCSPI_REV:
361 	case OMAP3_MCSPI_REV:
362 			pdata->regs_offset = 0;
363 			break;
364 	case OMAP4_MCSPI_REV:
365 			pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
366 			break;
367 	default:
368 			pr_err("Invalid McSPI Revision value\n");
369 			return -EINVAL;
370 	}
371 
372 	spi_num++;
373 	od = omap_device_build(name, spi_num, oh, pdata,
374 				sizeof(*pdata),	omap_mcspi_latency,
375 				ARRAY_SIZE(omap_mcspi_latency), 0);
376 	WARN(IS_ERR(od), "Can't build omap_device for %s:%s\n",
377 				name, oh->name);
378 	kfree(pdata);
379 	return 0;
380 }
381 
382 static void omap_init_mcspi(void)
383 {
384 	omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
385 }
386 
387 #else
388 static inline void omap_init_mcspi(void) {}
389 #endif
390 
391 static struct resource omap2_pmu_resource = {
392 	.start	= 3,
393 	.end	= 3,
394 	.flags	= IORESOURCE_IRQ,
395 };
396 
397 static struct resource omap3_pmu_resource = {
398 	.start	= INT_34XX_BENCH_MPU_EMUL,
399 	.end	= INT_34XX_BENCH_MPU_EMUL,
400 	.flags	= IORESOURCE_IRQ,
401 };
402 
403 static struct platform_device omap_pmu_device = {
404 	.name		= "arm-pmu",
405 	.id		= ARM_PMU_DEVICE_CPU,
406 	.num_resources	= 1,
407 };
408 
409 static void omap_init_pmu(void)
410 {
411 	if (cpu_is_omap24xx())
412 		omap_pmu_device.resource = &omap2_pmu_resource;
413 	else if (cpu_is_omap34xx())
414 		omap_pmu_device.resource = &omap3_pmu_resource;
415 	else
416 		return;
417 
418 	platform_device_register(&omap_pmu_device);
419 }
420 
421 
422 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
423 
424 #ifdef CONFIG_ARCH_OMAP2
425 static struct resource omap2_sham_resources[] = {
426 	{
427 		.start	= OMAP24XX_SEC_SHA1MD5_BASE,
428 		.end	= OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
429 		.flags	= IORESOURCE_MEM,
430 	},
431 	{
432 		.start	= INT_24XX_SHA1MD5,
433 		.flags	= IORESOURCE_IRQ,
434 	}
435 };
436 static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
437 #else
438 #define omap2_sham_resources		NULL
439 #define omap2_sham_resources_sz		0
440 #endif
441 
442 #ifdef CONFIG_ARCH_OMAP3
443 static struct resource omap3_sham_resources[] = {
444 	{
445 		.start	= OMAP34XX_SEC_SHA1MD5_BASE,
446 		.end	= OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
447 		.flags	= IORESOURCE_MEM,
448 	},
449 	{
450 		.start	= INT_34XX_SHA1MD52_IRQ,
451 		.flags	= IORESOURCE_IRQ,
452 	},
453 	{
454 		.start	= OMAP34XX_DMA_SHA1MD5_RX,
455 		.flags	= IORESOURCE_DMA,
456 	}
457 };
458 static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
459 #else
460 #define omap3_sham_resources		NULL
461 #define omap3_sham_resources_sz		0
462 #endif
463 
464 static struct platform_device sham_device = {
465 	.name		= "omap-sham",
466 	.id		= -1,
467 };
468 
469 static void omap_init_sham(void)
470 {
471 	if (cpu_is_omap24xx()) {
472 		sham_device.resource = omap2_sham_resources;
473 		sham_device.num_resources = omap2_sham_resources_sz;
474 	} else if (cpu_is_omap34xx()) {
475 		sham_device.resource = omap3_sham_resources;
476 		sham_device.num_resources = omap3_sham_resources_sz;
477 	} else {
478 		pr_err("%s: platform not supported\n", __func__);
479 		return;
480 	}
481 	platform_device_register(&sham_device);
482 }
483 #else
484 static inline void omap_init_sham(void) { }
485 #endif
486 
487 #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
488 
489 #ifdef CONFIG_ARCH_OMAP2
490 static struct resource omap2_aes_resources[] = {
491 	{
492 		.start	= OMAP24XX_SEC_AES_BASE,
493 		.end	= OMAP24XX_SEC_AES_BASE + 0x4C,
494 		.flags	= IORESOURCE_MEM,
495 	},
496 	{
497 		.start	= OMAP24XX_DMA_AES_TX,
498 		.flags	= IORESOURCE_DMA,
499 	},
500 	{
501 		.start	= OMAP24XX_DMA_AES_RX,
502 		.flags	= IORESOURCE_DMA,
503 	}
504 };
505 static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
506 #else
507 #define omap2_aes_resources		NULL
508 #define omap2_aes_resources_sz		0
509 #endif
510 
511 #ifdef CONFIG_ARCH_OMAP3
512 static struct resource omap3_aes_resources[] = {
513 	{
514 		.start	= OMAP34XX_SEC_AES_BASE,
515 		.end	= OMAP34XX_SEC_AES_BASE + 0x4C,
516 		.flags	= IORESOURCE_MEM,
517 	},
518 	{
519 		.start	= OMAP34XX_DMA_AES2_TX,
520 		.flags	= IORESOURCE_DMA,
521 	},
522 	{
523 		.start	= OMAP34XX_DMA_AES2_RX,
524 		.flags	= IORESOURCE_DMA,
525 	}
526 };
527 static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
528 #else
529 #define omap3_aes_resources		NULL
530 #define omap3_aes_resources_sz		0
531 #endif
532 
533 static struct platform_device aes_device = {
534 	.name		= "omap-aes",
535 	.id		= -1,
536 };
537 
538 static void omap_init_aes(void)
539 {
540 	if (cpu_is_omap24xx()) {
541 		aes_device.resource = omap2_aes_resources;
542 		aes_device.num_resources = omap2_aes_resources_sz;
543 	} else if (cpu_is_omap34xx()) {
544 		aes_device.resource = omap3_aes_resources;
545 		aes_device.num_resources = omap3_aes_resources_sz;
546 	} else {
547 		pr_err("%s: platform not supported\n", __func__);
548 		return;
549 	}
550 	platform_device_register(&aes_device);
551 }
552 
553 #else
554 static inline void omap_init_aes(void) { }
555 #endif
556 
557 /*-------------------------------------------------------------------------*/
558 
559 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
560 
561 static inline void omap242x_mmc_mux(struct omap_mmc_platform_data
562 							*mmc_controller)
563 {
564 	if ((mmc_controller->slots[0].switch_pin > 0) && \
565 		(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
566 		omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
567 					OMAP_PIN_INPUT_PULLUP);
568 	if ((mmc_controller->slots[0].gpio_wp > 0) && \
569 		(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
570 		omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
571 					OMAP_PIN_INPUT_PULLUP);
572 
573 	omap_mux_init_signal("sdmmc_cmd", 0);
574 	omap_mux_init_signal("sdmmc_clki", 0);
575 	omap_mux_init_signal("sdmmc_clko", 0);
576 	omap_mux_init_signal("sdmmc_dat0", 0);
577 	omap_mux_init_signal("sdmmc_dat_dir0", 0);
578 	omap_mux_init_signal("sdmmc_cmd_dir", 0);
579 	if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) {
580 		omap_mux_init_signal("sdmmc_dat1", 0);
581 		omap_mux_init_signal("sdmmc_dat2", 0);
582 		omap_mux_init_signal("sdmmc_dat3", 0);
583 		omap_mux_init_signal("sdmmc_dat_dir1", 0);
584 		omap_mux_init_signal("sdmmc_dat_dir2", 0);
585 		omap_mux_init_signal("sdmmc_dat_dir3", 0);
586 	}
587 
588 	/*
589 	 * Use internal loop-back in MMC/SDIO Module Input Clock
590 	 * selection
591 	 */
592 	if (mmc_controller->slots[0].internal_clock) {
593 		u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
594 		v |= (1 << 24);
595 		omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
596 	}
597 }
598 
599 void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
600 {
601 	char *name = "mmci-omap";
602 
603 	if (!mmc_data[0]) {
604 		pr_err("%s fails: Incomplete platform data\n", __func__);
605 		return;
606 	}
607 
608 	omap242x_mmc_mux(mmc_data[0]);
609 	omap_mmc_add(name, 0, OMAP2_MMC1_BASE, OMAP2420_MMC_SIZE,
610 					INT_24XX_MMC_IRQ, mmc_data[0]);
611 }
612 
613 #endif
614 
615 /*-------------------------------------------------------------------------*/
616 
617 #if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
618 #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_SOC_OMAP3430)
619 #define OMAP_HDQ_BASE	0x480B2000
620 #endif
621 static struct resource omap_hdq_resources[] = {
622 	{
623 		.start		= OMAP_HDQ_BASE,
624 		.end		= OMAP_HDQ_BASE + 0x1C,
625 		.flags		= IORESOURCE_MEM,
626 	},
627 	{
628 		.start		= INT_24XX_HDQ_IRQ,
629 		.flags		= IORESOURCE_IRQ,
630 	},
631 };
632 static struct platform_device omap_hdq_dev = {
633 	.name = "omap_hdq",
634 	.id = 0,
635 	.dev = {
636 		.platform_data = NULL,
637 	},
638 	.num_resources	= ARRAY_SIZE(omap_hdq_resources),
639 	.resource	= omap_hdq_resources,
640 };
641 static inline void omap_hdq_init(void)
642 {
643 	(void) platform_device_register(&omap_hdq_dev);
644 }
645 #else
646 static inline void omap_hdq_init(void) {}
647 #endif
648 
649 /*---------------------------------------------------------------------------*/
650 
651 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
652 	defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
653 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
654 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
655 };
656 #else
657 static struct resource omap_vout_resource[2] = {
658 };
659 #endif
660 
661 static struct platform_device omap_vout_device = {
662 	.name		= "omap_vout",
663 	.num_resources	= ARRAY_SIZE(omap_vout_resource),
664 	.resource 	= &omap_vout_resource[0],
665 	.id		= -1,
666 };
667 static void omap_init_vout(void)
668 {
669 	if (platform_device_register(&omap_vout_device) < 0)
670 		printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
671 }
672 #else
673 static inline void omap_init_vout(void) {}
674 #endif
675 
676 /*-------------------------------------------------------------------------*/
677 
678 static int __init omap2_init_devices(void)
679 {
680 	/*
681 	 * please keep these calls, and their implementations above,
682 	 * in alphabetical order so they're easier to sort through.
683 	 */
684 	omap_init_audio();
685 	omap_init_camera();
686 	omap_init_mbox();
687 	omap_init_mcspi();
688 	omap_init_pmu();
689 	omap_hdq_init();
690 	omap_init_sti();
691 	omap_init_sham();
692 	omap_init_aes();
693 	omap_init_vout();
694 
695 	return 0;
696 }
697 arch_initcall(omap2_init_devices);
698 
699 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
700 static struct omap_device_pm_latency omap_wdt_latency[] = {
701 	[0] = {
702 		.deactivate_func = omap_device_idle_hwmods,
703 		.activate_func   = omap_device_enable_hwmods,
704 		.flags		 = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
705 	},
706 };
707 
708 static int __init omap_init_wdt(void)
709 {
710 	int id = -1;
711 	struct omap_device *od;
712 	struct omap_hwmod *oh;
713 	char *oh_name = "wd_timer2";
714 	char *dev_name = "omap_wdt";
715 
716 	if (!cpu_class_is_omap2())
717 		return 0;
718 
719 	oh = omap_hwmod_lookup(oh_name);
720 	if (!oh) {
721 		pr_err("Could not look up wd_timer%d hwmod\n", id);
722 		return -EINVAL;
723 	}
724 
725 	od = omap_device_build(dev_name, id, oh, NULL, 0,
726 				omap_wdt_latency,
727 				ARRAY_SIZE(omap_wdt_latency), 0);
728 	WARN(IS_ERR(od), "Can't build omap_device for %s:%s.\n",
729 				dev_name, oh->name);
730 	return 0;
731 }
732 subsys_initcall(omap_init_wdt);
733 #endif
734