?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...
[linux/fpc-iii.git] / arch / arm / mach-omap2 / devices.c
blob0dd6398bade4787510c4d5c62210b7a61cfb7595
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/mailbox-omap.h>
23
24 #include <asm/mach-types.h>
25 #include <asm/mach/map.h>
26
27 #include <linux/omap-dma.h>
28
29 #include "iomap.h"
30 #include "omap_hwmod.h"
31 #include "omap_device.h"
32 #include "omap4-keypad.h"
33
34 #include "soc.h"
35 #include "common.h"
36 #include "mux.h"
37 #include "control.h"
38 #include "devices.h"
39 #include "display.h"
40
41 #define L3_MODULES_MAX_LEN 12
42 #define L3_MODULES 3
43
44 static int __init omap3_l3_init(void)
45 {
46 struct omap_hwmod *oh;
47 struct platform_device *pdev;
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 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 pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0);
65
66 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
67
68 return PTR_RET(pdev);
69 }
70 omap_postcore_initcall(omap3_l3_init);
71
72 static int __init omap4_l3_init(void)
73 {
74 int i;
75 struct omap_hwmod *oh[3];
76 struct platform_device *pdev;
77 char oh_name[L3_MODULES_MAX_LEN];
78
79 /* If dtb is there, the devices will be created dynamically */
80 if (of_have_populated_dt())
81 return -ENODEV;
82
83 /*
84 * To avoid code running on other OMAPs in
85 * multi-omap builds
86 */
87 if (!cpu_is_omap44xx() && !soc_is_omap54xx())
88 return -ENODEV;
89
90 for (i = 0; i < L3_MODULES; i++) {
91 snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
92
93 oh[i] = omap_hwmod_lookup(oh_name);
94 if (!(oh[i]))
95 pr_err("could not look up %s\n", oh_name);
96 }
97
98 pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0);
99
100 WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
101
102 return PTR_RET(pdev);
103 }
104 omap_postcore_initcall(omap4_l3_init);
105
106 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
107
108 static struct resource omap2cam_resources[] = {
109 {
110 .start = OMAP24XX_CAMERA_BASE,
111 .end = OMAP24XX_CAMERA_BASE + 0xfff,
112 .flags = IORESOURCE_MEM,
113 },
114 {
115 .start = 24 + OMAP_INTC_START,
116 .flags = IORESOURCE_IRQ,
117 }
118 };
119
120 static struct platform_device omap2cam_device = {
121 .name = "omap24xxcam",
122 .id = -1,
123 .num_resources = ARRAY_SIZE(omap2cam_resources),
124 .resource = omap2cam_resources,
125 };
126 #endif
127
128 #if defined(CONFIG_IOMMU_API)
129
130 #include <linux/platform_data/iommu-omap.h>
131
132 static struct resource omap3isp_resources[] = {
133 {
134 .start = OMAP3430_ISP_BASE,
135 .end = OMAP3430_ISP_END,
136 .flags = IORESOURCE_MEM,
137 },
138 {
139 .start = OMAP3430_ISP_CCP2_BASE,
140 .end = OMAP3430_ISP_CCP2_END,
141 .flags = IORESOURCE_MEM,
142 },
143 {
144 .start = OMAP3430_ISP_CCDC_BASE,
145 .end = OMAP3430_ISP_CCDC_END,
146 .flags = IORESOURCE_MEM,
147 },
148 {
149 .start = OMAP3430_ISP_HIST_BASE,
150 .end = OMAP3430_ISP_HIST_END,
151 .flags = IORESOURCE_MEM,
152 },
153 {
154 .start = OMAP3430_ISP_H3A_BASE,
155 .end = OMAP3430_ISP_H3A_END,
156 .flags = IORESOURCE_MEM,
157 },
158 {
159 .start = OMAP3430_ISP_PREV_BASE,
160 .end = OMAP3430_ISP_PREV_END,
161 .flags = IORESOURCE_MEM,
162 },
163 {
164 .start = OMAP3430_ISP_RESZ_BASE,
165 .end = OMAP3430_ISP_RESZ_END,
166 .flags = IORESOURCE_MEM,
167 },
168 {
169 .start = OMAP3430_ISP_SBL_BASE,
170 .end = OMAP3430_ISP_SBL_END,
171 .flags = IORESOURCE_MEM,
172 },
173 {
174 .start = OMAP3430_ISP_CSI2A_REGS1_BASE,
175 .end = OMAP3430_ISP_CSI2A_REGS1_END,
176 .flags = IORESOURCE_MEM,
177 },
178 {
179 .start = OMAP3430_ISP_CSIPHY2_BASE,
180 .end = OMAP3430_ISP_CSIPHY2_END,
181 .flags = IORESOURCE_MEM,
182 },
183 {
184 .start = OMAP3630_ISP_CSI2A_REGS2_BASE,
185 .end = OMAP3630_ISP_CSI2A_REGS2_END,
186 .flags = IORESOURCE_MEM,
187 },
188 {
189 .start = OMAP3630_ISP_CSI2C_REGS1_BASE,
190 .end = OMAP3630_ISP_CSI2C_REGS1_END,
191 .flags = IORESOURCE_MEM,
192 },
193 {
194 .start = OMAP3630_ISP_CSIPHY1_BASE,
195 .end = OMAP3630_ISP_CSIPHY1_END,
196 .flags = IORESOURCE_MEM,
197 },
198 {
199 .start = OMAP3630_ISP_CSI2C_REGS2_BASE,
200 .end = OMAP3630_ISP_CSI2C_REGS2_END,
201 .flags = IORESOURCE_MEM,
202 },
203 {
204 .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE,
205 .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3,
206 .flags = IORESOURCE_MEM,
207 },
208 {
209 .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL,
210 .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3,
211 .flags = IORESOURCE_MEM,
212 },
213 {
214 .start = 24 + OMAP_INTC_START,
215 .flags = IORESOURCE_IRQ,
216 }
217 };
218
219 static struct platform_device omap3isp_device = {
220 .name = "omap3isp",
221 .id = -1,
222 .num_resources = ARRAY_SIZE(omap3isp_resources),
223 .resource = omap3isp_resources,
224 };
225
226 static struct omap_iommu_arch_data omap3_isp_iommu = {
227 .name = "mmu_isp",
228 };
229
230 int omap3_init_camera(struct isp_platform_data *pdata)
231 {
232 omap3isp_device.dev.platform_data = pdata;
233 omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu;
234
235 return platform_device_register(&omap3isp_device);
236 }
237
238 #else /* !CONFIG_IOMMU_API */
239
240 int omap3_init_camera(struct isp_platform_data *pdata)
241 {
242 return 0;
243 }
244
245 #endif
246
247 static inline void omap_init_camera(void)
248 {
249 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
250 if (cpu_is_omap24xx())
251 platform_device_register(&omap2cam_device);
252 #endif
253 }
254
255 int __init omap4_keyboard_init(struct omap4_keypad_platform_data
256 *sdp4430_keypad_data, struct omap_board_data *bdata)
257 {
258 struct platform_device *pdev;
259 struct omap_hwmod *oh;
260 struct omap4_keypad_platform_data *keypad_data;
261 unsigned int id = -1;
262 char *oh_name = "kbd";
263 char *name = "omap4-keypad";
264
265 oh = omap_hwmod_lookup(oh_name);
266 if (!oh) {
267 pr_err("Could not look up %s\n", oh_name);
268 return -ENODEV;
269 }
270
271 keypad_data = sdp4430_keypad_data;
272
273 pdev = omap_device_build(name, id, oh, keypad_data,
274 sizeof(struct omap4_keypad_platform_data));
275
276 if (IS_ERR(pdev)) {
277 WARN(1, "Can't build omap_device for %s:%s.\n",
278 name, oh->name);
279 return PTR_ERR(pdev);
280 }
281 oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
282
283 return 0;
284 }
285
286 #if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
287 static inline void __init omap_init_mbox(void)
288 {
289 struct omap_hwmod *oh;
290 struct platform_device *pdev;
291 struct omap_mbox_pdata *pdata;
292
293 oh = omap_hwmod_lookup("mailbox");
294 if (!oh) {
295 pr_err("%s: unable to find hwmod\n", __func__);
296 return;
297 }
298 if (!oh->dev_attr) {
299 pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
300 return;
301 }
302
303 pdata = (struct omap_mbox_pdata *)oh->dev_attr;
304 pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata));
305 WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
306 __func__, PTR_ERR(pdev));
307 }
308 #else
309 static inline void omap_init_mbox(void) { }
310 #endif /* CONFIG_OMAP2PLUS_MBOX */
311
312 static inline void omap_init_sti(void) {}
313
314 #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
315
316 static struct platform_device omap_pcm = {
317 .name = "omap-pcm-audio",
318 .id = -1,
319 };
320
321 static void omap_init_audio(void)
322 {
323 platform_device_register(&omap_pcm);
324 }
325
326 #else
327 static inline void omap_init_audio(void) {}
328 #endif
329
330 #if defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI) || \
331 defined(CONFIG_SND_OMAP_SOC_OMAP_HDMI_MODULE)
332
333 static struct platform_device omap_hdmi_audio = {
334 .name = "omap-hdmi-audio",
335 .id = -1,
336 };
337
338 static void __init omap_init_hdmi_audio(void)
339 {
340 struct omap_hwmod *oh;
341 struct platform_device *pdev;
342
343 oh = omap_hwmod_lookup("dss_hdmi");
344 if (!oh)
345 return;
346
347 pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0);
348 WARN(IS_ERR(pdev),
349 "Can't build omap_device for omap-hdmi-audio-dai.\n");
350
351 platform_device_register(&omap_hdmi_audio);
352 }
353 #else
354 static inline void omap_init_hdmi_audio(void) {}
355 #endif
356
357 #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
358
359 #include <linux/platform_data/spi-omap2-mcspi.h>
360
361 static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused)
362 {
363 struct platform_device *pdev;
364 char *name = "omap2_mcspi";
365 struct omap2_mcspi_platform_config *pdata;
366 static int spi_num;
367 struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
368
369 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
370 if (!pdata) {
371 pr_err("Memory allocation for McSPI device failed\n");
372 return -ENOMEM;
373 }
374
375 pdata->num_cs = mcspi_attrib->num_chipselect;
376 switch (oh->class->rev) {
377 case OMAP2_MCSPI_REV:
378 case OMAP3_MCSPI_REV:
379 pdata->regs_offset = 0;
380 break;
381 case OMAP4_MCSPI_REV:
382 pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
383 break;
384 default:
385 pr_err("Invalid McSPI Revision value\n");
386 kfree(pdata);
387 return -EINVAL;
388 }
389
390 spi_num++;
391 pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata));
392 WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
393 name, oh->name);
394 kfree(pdata);
395 return 0;
396 }
397
398 static void omap_init_mcspi(void)
399 {
400 omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
401 }
402
403 #else
404 static inline void omap_init_mcspi(void) {}
405 #endif
406
407 /**
408 * omap_init_rng - bind the RNG hwmod to the RNG omap_device
409 *
410 * Bind the RNG hwmod to the RNG omap_device. No return value.
411 */
412 static void omap_init_rng(void)
413 {
414 struct omap_hwmod *oh;
415 struct platform_device *pdev;
416
417 oh = omap_hwmod_lookup("rng");
418 if (!oh)
419 return;
420
421 pdev = omap_device_build("omap_rng", -1, oh, NULL, 0);
422 WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n");
423 }
424
425 static void __init omap_init_sham(void)
426 {
427 struct omap_hwmod *oh;
428 struct platform_device *pdev;
429
430 oh = omap_hwmod_lookup("sham");
431 if (!oh)
432 return;
433
434 pdev = omap_device_build("omap-sham", -1, oh, NULL, 0);
435 WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n");
436 }
437
438 static void __init omap_init_aes(void)
439 {
440 struct omap_hwmod *oh;
441 struct platform_device *pdev;
442
443 oh = omap_hwmod_lookup("aes");
444 if (!oh)
445 return;
446
447 pdev = omap_device_build("omap-aes", -1, oh, NULL, 0);
448 WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n");
449 }
450
451 /*-------------------------------------------------------------------------*/
452
453 #if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
454 defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
455 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
456 static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
457 };
458 #else
459 static struct resource omap_vout_resource[2] = {
460 };
461 #endif
462
463 static struct platform_device omap_vout_device = {
464 .name = "omap_vout",
465 .num_resources = ARRAY_SIZE(omap_vout_resource),
466 .resource = &omap_vout_resource[0],
467 .id = -1,
468 };
469
470 int __init omap_init_vout(void)
471 {
472 return platform_device_register(&omap_vout_device);
473 }
474 #else
475 int __init omap_init_vout(void) { return 0; }
476 #endif
477
478 /*-------------------------------------------------------------------------*/
479
480 static int __init omap2_init_devices(void)
481 {
482 /* Enable dummy states for those platforms without pinctrl support */
483 if (!of_have_populated_dt())
484 pinctrl_provide_dummies();
485
486 /*
487 * please keep these calls, and their implementations above,
488 * in alphabetical order so they're easier to sort through.
489 */
490 omap_init_audio();
491 omap_init_camera();
492 omap_init_hdmi_audio();
493 omap_init_mbox();
494 /* If dtb is there, the devices will be created dynamically */
495 if (!of_have_populated_dt()) {
496 omap_init_mcspi();
497 omap_init_sham();
498 omap_init_aes();
499 omap_init_rng();
500 }
501 omap_init_sti();
502
503 return 0;
504 }
505 omap_arch_initcall(omap2_init_devices);
Linux with added FPC-III support