xref: /openbmc/linux/arch/arm/mach-omap2/devices.c (revision 75f25bd3)
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, struct omap_board_data *bdata)
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 	oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
261 
262 	return 0;
263 }
264 
265 #if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
266 static struct omap_device_pm_latency mbox_latencies[] = {
267 	[0] = {
268 		.activate_func = omap_device_enable_hwmods,
269 		.deactivate_func = omap_device_idle_hwmods,
270 		.flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
271 	},
272 };
273 
274 static inline void omap_init_mbox(void)
275 {
276 	struct omap_hwmod *oh;
277 	struct omap_device *od;
278 
279 	oh = omap_hwmod_lookup("mailbox");
280 	if (!oh) {
281 		pr_err("%s: unable to find hwmod\n", __func__);
282 		return;
283 	}
284 
285 	od = omap_device_build("omap-mailbox", -1, oh, NULL, 0,
286 				mbox_latencies, ARRAY_SIZE(mbox_latencies), 0);
287 	WARN(IS_ERR(od), "%s: could not build device, err %ld\n",
288 						__func__, PTR_ERR(od));
289 }
290 #else
291 static inline void omap_init_mbox(void) { }
292 #endif /* CONFIG_OMAP_MBOX_FWK */
293 
294 static inline void omap_init_sti(void) {}
295 
296 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
297 
298 static struct platform_device omap_pcm = {
299 	.name	= "omap-pcm-audio",
300 	.id	= -1,
301 };
302 
303 /*
304  * OMAP2420 has 2 McBSP ports
305  * OMAP2430 has 5 McBSP ports
306  * OMAP3 has 5 McBSP ports
307  * OMAP4 has 4 McBSP ports
308  */
309 OMAP_MCBSP_PLATFORM_DEVICE(1);
310 OMAP_MCBSP_PLATFORM_DEVICE(2);
311 OMAP_MCBSP_PLATFORM_DEVICE(3);
312 OMAP_MCBSP_PLATFORM_DEVICE(4);
313 OMAP_MCBSP_PLATFORM_DEVICE(5);
314 
315 static void omap_init_audio(void)
316 {
317 	platform_device_register(&omap_mcbsp1);
318 	platform_device_register(&omap_mcbsp2);
319 	if (cpu_is_omap243x() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
320 		platform_device_register(&omap_mcbsp3);
321 		platform_device_register(&omap_mcbsp4);
322 	}
323 	if (cpu_is_omap243x() || cpu_is_omap34xx())
324 		platform_device_register(&omap_mcbsp5);
325 
326 	platform_device_register(&omap_pcm);
327 }
328 
329 #else
330 static inline void omap_init_audio(void) {}
331 #endif
332 
333 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
334 
335 #include <plat/mcspi.h>
336 
337 struct omap_device_pm_latency omap_mcspi_latency[] = {
338 	[0] = {
339 		.deactivate_func = omap_device_idle_hwmods,
340 		.activate_func   = omap_device_enable_hwmods,
341 		.flags		 = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
342 	},
343 };
344 
345 static int omap_mcspi_init(struct omap_hwmod *oh, void *unused)
346 {
347 	struct omap_device *od;
348 	char *name = "omap2_mcspi";
349 	struct omap2_mcspi_platform_config *pdata;
350 	static int spi_num;
351 	struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
352 
353 	pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
354 	if (!pdata) {
355 		pr_err("Memory allocation for McSPI device failed\n");
356 		return -ENOMEM;
357 	}
358 
359 	pdata->num_cs = mcspi_attrib->num_chipselect;
360 	switch (oh->class->rev) {
361 	case OMAP2_MCSPI_REV:
362 	case OMAP3_MCSPI_REV:
363 			pdata->regs_offset = 0;
364 			break;
365 	case OMAP4_MCSPI_REV:
366 			pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
367 			break;
368 	default:
369 			pr_err("Invalid McSPI Revision value\n");
370 			return -EINVAL;
371 	}
372 
373 	spi_num++;
374 	od = omap_device_build(name, spi_num, oh, pdata,
375 				sizeof(*pdata),	omap_mcspi_latency,
376 				ARRAY_SIZE(omap_mcspi_latency), 0);
377 	WARN(IS_ERR(od), "Can't build omap_device for %s:%s\n",
378 				name, oh->name);
379 	kfree(pdata);
380 	return 0;
381 }
382 
383 static void omap_init_mcspi(void)
384 {
385 	omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
386 }
387 
388 #else
389 static inline void omap_init_mcspi(void) {}
390 #endif
391 
392 static struct resource omap2_pmu_resource = {
393 	.start	= 3,
394 	.end	= 3,
395 	.flags	= IORESOURCE_IRQ,
396 };
397 
398 static struct resource omap3_pmu_resource = {
399 	.start	= INT_34XX_BENCH_MPU_EMUL,
400 	.end	= INT_34XX_BENCH_MPU_EMUL,
401 	.flags	= IORESOURCE_IRQ,
402 };
403 
404 static struct platform_device omap_pmu_device = {
405 	.name		= "arm-pmu",
406 	.id		= ARM_PMU_DEVICE_CPU,
407 	.num_resources	= 1,
408 };
409 
410 static void omap_init_pmu(void)
411 {
412 	if (cpu_is_omap24xx())
413 		omap_pmu_device.resource = &omap2_pmu_resource;
414 	else if (cpu_is_omap34xx())
415 		omap_pmu_device.resource = &omap3_pmu_resource;
416 	else
417 		return;
418 
419 	platform_device_register(&omap_pmu_device);
420 }
421 
422 
423 #if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
424 
425 #ifdef CONFIG_ARCH_OMAP2
426 static struct resource omap2_sham_resources[] = {
427 	{
428 		.start	= OMAP24XX_SEC_SHA1MD5_BASE,
429 		.end	= OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
430 		.flags	= IORESOURCE_MEM,
431 	},
432 	{
433 		.start	= INT_24XX_SHA1MD5,
434 		.flags	= IORESOURCE_IRQ,
435 	}
436 };
437 static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
438 #else
439 #define omap2_sham_resources		NULL
440 #define omap2_sham_resources_sz		0
441 #endif
442 
443 #ifdef CONFIG_ARCH_OMAP3
444 static struct resource omap3_sham_resources[] = {
445 	{
446 		.start	= OMAP34XX_SEC_SHA1MD5_BASE,
447 		.end	= OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
448 		.flags	= IORESOURCE_MEM,
449 	},
450 	{
451 		.start	= INT_34XX_SHA1MD52_IRQ,
452 		.flags	= IORESOURCE_IRQ,
453 	},
454 	{
455 		.start	= OMAP34XX_DMA_SHA1MD5_RX,
456 		.flags	= IORESOURCE_DMA,
457 	}
458 };
459 static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
460 #else
461 #define omap3_sham_resources		NULL
462 #define omap3_sham_resources_sz		0
463 #endif
464 
465 static struct platform_device sham_device = {
466 	.name		= "omap-sham",
467 	.id		= -1,
468 };
469 
470 static void omap_init_sham(void)
471 {
472 	if (cpu_is_omap24xx()) {
473 		sham_device.resource = omap2_sham_resources;
474 		sham_device.num_resources = omap2_sham_resources_sz;
475 	} else if (cpu_is_omap34xx()) {
476 		sham_device.resource = omap3_sham_resources;
477 		sham_device.num_resources = omap3_sham_resources_sz;
478 	} else {
479 		pr_err("%s: platform not supported\n", __func__);
480 		return;
481 	}
482 	platform_device_register(&sham_device);
483 }
484 #else
485 static inline void omap_init_sham(void) { }
486 #endif
487 
488 #if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
489 
490 #ifdef CONFIG_ARCH_OMAP2
491 static struct resource omap2_aes_resources[] = {
492 	{
493 		.start	= OMAP24XX_SEC_AES_BASE,
494 		.end	= OMAP24XX_SEC_AES_BASE + 0x4C,
495 		.flags	= IORESOURCE_MEM,
496 	},
497 	{
498 		.start	= OMAP24XX_DMA_AES_TX,
499 		.flags	= IORESOURCE_DMA,
500 	},
501 	{
502 		.start	= OMAP24XX_DMA_AES_RX,
503 		.flags	= IORESOURCE_DMA,
504 	}
505 };
506 static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
507 #else
508 #define omap2_aes_resources		NULL
509 #define omap2_aes_resources_sz		0
510 #endif
511 
512 #ifdef CONFIG_ARCH_OMAP3
513 static struct resource omap3_aes_resources[] = {
514 	{
515 		.start	= OMAP34XX_SEC_AES_BASE,
516 		.end	= OMAP34XX_SEC_AES_BASE + 0x4C,
517 		.flags	= IORESOURCE_MEM,
518 	},
519 	{
520 		.start	= OMAP34XX_DMA_AES2_TX,
521 		.flags	= IORESOURCE_DMA,
522 	},
523 	{
524 		.start	= OMAP34XX_DMA_AES2_RX,
525 		.flags	= IORESOURCE_DMA,
526 	}
527 };
528 static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
529 #else
530 #define omap3_aes_resources		NULL
531 #define omap3_aes_resources_sz		0
532 #endif
533 
534 static struct platform_device aes_device = {
535 	.name		= "omap-aes",
536 	.id		= -1,
537 };
538 
539 static void omap_init_aes(void)
540 {
541 	if (cpu_is_omap24xx()) {
542 		aes_device.resource = omap2_aes_resources;
543 		aes_device.num_resources = omap2_aes_resources_sz;
544 	} else if (cpu_is_omap34xx()) {
545 		aes_device.resource = omap3_aes_resources;
546 		aes_device.num_resources = omap3_aes_resources_sz;
547 	} else {
548 		pr_err("%s: platform not supported\n", __func__);
549 		return;
550 	}
551 	platform_device_register(&aes_device);
552 }
553 
554 #else
555 static inline void omap_init_aes(void) { }
556 #endif
557 
558 /*-------------------------------------------------------------------------*/
559 
560 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
561 
562 static inline void omap242x_mmc_mux(struct omap_mmc_platform_data
563 							*mmc_controller)
564 {
565 	if ((mmc_controller->slots[0].switch_pin > 0) && \
566 		(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
567 		omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
568 					OMAP_PIN_INPUT_PULLUP);
569 	if ((mmc_controller->slots[0].gpio_wp > 0) && \
570 		(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
571 		omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
572 					OMAP_PIN_INPUT_PULLUP);
573 
574 	omap_mux_init_signal("sdmmc_cmd", 0);
575 	omap_mux_init_signal("sdmmc_clki", 0);
576 	omap_mux_init_signal("sdmmc_clko", 0);
577 	omap_mux_init_signal("sdmmc_dat0", 0);
578 	omap_mux_init_signal("sdmmc_dat_dir0", 0);
579 	omap_mux_init_signal("sdmmc_cmd_dir", 0);
580 	if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) {
581 		omap_mux_init_signal("sdmmc_dat1", 0);
582 		omap_mux_init_signal("sdmmc_dat2", 0);
583 		omap_mux_init_signal("sdmmc_dat3", 0);
584 		omap_mux_init_signal("sdmmc_dat_dir1", 0);
585 		omap_mux_init_signal("sdmmc_dat_dir2", 0);
586 		omap_mux_init_signal("sdmmc_dat_dir3", 0);
587 	}
588 
589 	/*
590 	 * Use internal loop-back in MMC/SDIO Module Input Clock
591 	 * selection
592 	 */
593 	if (mmc_controller->slots[0].internal_clock) {
594 		u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
595 		v |= (1 << 24);
596 		omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
597 	}
598 }
599 
600 void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
601 {
602 	char *name = "mmci-omap";
603 
604 	if (!mmc_data[0]) {
605 		pr_err("%s fails: Incomplete platform data\n", __func__);
606 		return;
607 	}
608 
609 	omap242x_mmc_mux(mmc_data[0]);
610 	omap_mmc_add(name, 0, OMAP2_MMC1_BASE, OMAP2420_MMC_SIZE,
611 					INT_24XX_MMC_IRQ, mmc_data[0]);
612 }
613 
614 #endif
615 
616 /*-------------------------------------------------------------------------*/
617 
618 #if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
619 #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_SOC_OMAP3430)
620 #define OMAP_HDQ_BASE	0x480B2000
621 #endif
622 static struct resource omap_hdq_resources[] = {
623 	{
624 		.start		= OMAP_HDQ_BASE,
625 		.end		= OMAP_HDQ_BASE + 0x1C,
626 		.flags		= IORESOURCE_MEM,
627 	},
628 	{
629 		.start		= INT_24XX_HDQ_IRQ,
630 		.flags		= IORESOURCE_IRQ,
631 	},
632 };
633 static struct platform_device omap_hdq_dev = {
634 	.name = "omap_hdq",
635 	.id = 0,
636 	.dev = {
637 		.platform_data = NULL,
638 	},
639 	.num_resources	= ARRAY_SIZE(omap_hdq_resources),
640 	.resource	= omap_hdq_resources,
641 };
642 static inline void omap_hdq_init(void)
643 {
644 	(void) platform_device_register(&omap_hdq_dev);
645 }
646 #else
647 static inline void omap_hdq_init(void) {}
648 #endif
649 
650 /*---------------------------------------------------------------------------*/
651 
652 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
653 	defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
654 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
655 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
656 };
657 #else
658 static struct resource omap_vout_resource[2] = {
659 };
660 #endif
661 
662 static struct platform_device omap_vout_device = {
663 	.name		= "omap_vout",
664 	.num_resources	= ARRAY_SIZE(omap_vout_resource),
665 	.resource 	= &omap_vout_resource[0],
666 	.id		= -1,
667 };
668 static void omap_init_vout(void)
669 {
670 	if (platform_device_register(&omap_vout_device) < 0)
671 		printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
672 }
673 #else
674 static inline void omap_init_vout(void) {}
675 #endif
676 
677 /*-------------------------------------------------------------------------*/
678 
679 static int __init omap2_init_devices(void)
680 {
681 	/*
682 	 * please keep these calls, and their implementations above,
683 	 * in alphabetical order so they're easier to sort through.
684 	 */
685 	omap_init_audio();
686 	omap_init_camera();
687 	omap_init_mbox();
688 	omap_init_mcspi();
689 	omap_init_pmu();
690 	omap_hdq_init();
691 	omap_init_sti();
692 	omap_init_sham();
693 	omap_init_aes();
694 	omap_init_vout();
695 
696 	return 0;
697 }
698 arch_initcall(omap2_init_devices);
699 
700 #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
701 static struct omap_device_pm_latency omap_wdt_latency[] = {
702 	[0] = {
703 		.deactivate_func = omap_device_idle_hwmods,
704 		.activate_func   = omap_device_enable_hwmods,
705 		.flags		 = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
706 	},
707 };
708 
709 static int __init omap_init_wdt(void)
710 {
711 	int id = -1;
712 	struct omap_device *od;
713 	struct omap_hwmod *oh;
714 	char *oh_name = "wd_timer2";
715 	char *dev_name = "omap_wdt";
716 
717 	if (!cpu_class_is_omap2())
718 		return 0;
719 
720 	oh = omap_hwmod_lookup(oh_name);
721 	if (!oh) {
722 		pr_err("Could not look up wd_timer%d hwmod\n", id);
723 		return -EINVAL;
724 	}
725 
726 	od = omap_device_build(dev_name, id, oh, NULL, 0,
727 				omap_wdt_latency,
728 				ARRAY_SIZE(omap_wdt_latency), 0);
729 	WARN(IS_ERR(od), "Can't build omap_device for %s:%s.\n",
730 				dev_name, oh->name);
731 	return 0;
732 }
733 subsys_initcall(omap_init_wdt);
734 #endif
735