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staging: rts_pstor: modify initial card clock
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / mach-omap2 / devices.c
blob84d1b735fe80d47d2150f7b3f4bd1a2a79af2ba6
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 PTR_ERR(od);
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, "Cant 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), "Cant 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), "Cant build omap_device for %s:%s.\n",
729 dev_name, oh->name);
730 return 0;
731 }
732 subsys_initcall(omap_init_wdt);
733 #endif
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree