1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/module.h>
3 #include <linux/kernel.h>
4 #include <linux/init.h>
5 #include <linux/platform_device.h>
6 #include <linux/clkdev.h>
7 #include <linux/clk-provider.h>
8 #include <linux/dma-mapping.h>
9 #include <linux/dmaengine.h>
10 #include <linux/spi/pxa2xx_spi.h>
11 #include <linux/platform_data/i2c-pxa.h>
12 #include <linux/soc/pxa/cpu.h>
13
14 #include "udc.h"
15 #include <linux/platform_data/video-pxafb.h>
16 #include <linux/platform_data/mmc-pxamci.h>
17 #include "irqs.h"
18 #include <linux/platform_data/usb-ohci-pxa27x.h>
19 #include <linux/platform_data/mmp_dma.h>
20
21 #include "regs-ost.h"
22 #include "reset.h"
23 #include "devices.h"
24 #include "generic.h"
25
pxa_register_device(struct platform_device * dev,void * data)26 void __init pxa_register_device(struct platform_device *dev, void *data)
27 {
28 int ret;
29
30 dev->dev.platform_data = data;
31
32 ret = platform_device_register(dev);
33 if (ret)
34 dev_err(&dev->dev, "unable to register device: %d\n", ret);
35 }
36
37 static struct resource pxa_resource_pmu = {
38 .start = IRQ_PMU,
39 .end = IRQ_PMU,
40 .flags = IORESOURCE_IRQ,
41 };
42
43 struct platform_device pxa_device_pmu = {
44 .name = "xscale-pmu",
45 .id = -1,
46 .resource = &pxa_resource_pmu,
47 .num_resources = 1,
48 };
49
50 static struct resource pxamci_resources[] = {
51 [0] = {
52 .start = 0x41100000,
53 .end = 0x41100fff,
54 .flags = IORESOURCE_MEM,
55 },
56 [1] = {
57 .start = IRQ_MMC,
58 .end = IRQ_MMC,
59 .flags = IORESOURCE_IRQ,
60 },
61 };
62
63 static u64 pxamci_dmamask = 0xffffffffUL;
64
65 struct platform_device pxa_device_mci = {
66 .name = "pxa2xx-mci",
67 .id = 0,
68 .dev = {
69 .dma_mask = &pxamci_dmamask,
70 .coherent_dma_mask = 0xffffffff,
71 },
72 .num_resources = ARRAY_SIZE(pxamci_resources),
73 .resource = pxamci_resources,
74 };
75
pxa_set_mci_info(struct pxamci_platform_data * info)76 void __init pxa_set_mci_info(struct pxamci_platform_data *info)
77 {
78 pxa_register_device(&pxa_device_mci, info);
79 }
80
81 static struct pxa2xx_udc_mach_info pxa_udc_info = {
82 .gpio_pullup = -1,
83 };
84
85 static struct resource pxa2xx_udc_resources[] = {
86 [0] = {
87 .start = 0x40600000,
88 .end = 0x4060ffff,
89 .flags = IORESOURCE_MEM,
90 },
91 [1] = {
92 .start = IRQ_USB,
93 .end = IRQ_USB,
94 .flags = IORESOURCE_IRQ,
95 },
96 };
97
98 static u64 udc_dma_mask = ~(u32)0;
99
100 struct platform_device pxa25x_device_udc = {
101 .name = "pxa25x-udc",
102 .id = -1,
103 .resource = pxa2xx_udc_resources,
104 .num_resources = ARRAY_SIZE(pxa2xx_udc_resources),
105 .dev = {
106 .platform_data = &pxa_udc_info,
107 .dma_mask = &udc_dma_mask,
108 }
109 };
110
111 struct platform_device pxa27x_device_udc = {
112 .name = "pxa27x-udc",
113 .id = -1,
114 .resource = pxa2xx_udc_resources,
115 .num_resources = ARRAY_SIZE(pxa2xx_udc_resources),
116 .dev = {
117 .platform_data = &pxa_udc_info,
118 .dma_mask = &udc_dma_mask,
119 }
120 };
121
122 static struct resource pxafb_resources[] = {
123 [0] = {
124 .start = 0x44000000,
125 .end = 0x4400ffff,
126 .flags = IORESOURCE_MEM,
127 },
128 [1] = {
129 .start = IRQ_LCD,
130 .end = IRQ_LCD,
131 .flags = IORESOURCE_IRQ,
132 },
133 };
134
135 static u64 fb_dma_mask = ~(u64)0;
136
137 struct platform_device pxa_device_fb = {
138 .name = "pxa2xx-fb",
139 .id = -1,
140 .dev = {
141 .dma_mask = &fb_dma_mask,
142 .coherent_dma_mask = 0xffffffff,
143 },
144 .num_resources = ARRAY_SIZE(pxafb_resources),
145 .resource = pxafb_resources,
146 };
147
pxa_set_fb_info(struct device * parent,struct pxafb_mach_info * info)148 void __init pxa_set_fb_info(struct device *parent, struct pxafb_mach_info *info)
149 {
150 pxa_device_fb.dev.parent = parent;
151 pxa_register_device(&pxa_device_fb, info);
152 }
153
154 static struct resource pxa_resource_ffuart[] = {
155 {
156 .start = 0x40100000,
157 .end = 0x40100023,
158 .flags = IORESOURCE_MEM,
159 }, {
160 .start = IRQ_FFUART,
161 .end = IRQ_FFUART,
162 .flags = IORESOURCE_IRQ,
163 }
164 };
165
166 struct platform_device pxa_device_ffuart = {
167 .name = "pxa2xx-uart",
168 .id = 0,
169 .resource = pxa_resource_ffuart,
170 .num_resources = ARRAY_SIZE(pxa_resource_ffuart),
171 };
172
pxa_set_ffuart_info(void * info)173 void __init pxa_set_ffuart_info(void *info)
174 {
175 pxa_register_device(&pxa_device_ffuart, info);
176 }
177
178 static struct resource pxa_resource_btuart[] = {
179 {
180 .start = 0x40200000,
181 .end = 0x40200023,
182 .flags = IORESOURCE_MEM,
183 }, {
184 .start = IRQ_BTUART,
185 .end = IRQ_BTUART,
186 .flags = IORESOURCE_IRQ,
187 }
188 };
189
190 struct platform_device pxa_device_btuart = {
191 .name = "pxa2xx-uart",
192 .id = 1,
193 .resource = pxa_resource_btuart,
194 .num_resources = ARRAY_SIZE(pxa_resource_btuart),
195 };
196
pxa_set_btuart_info(void * info)197 void __init pxa_set_btuart_info(void *info)
198 {
199 pxa_register_device(&pxa_device_btuart, info);
200 }
201
202 static struct resource pxa_resource_stuart[] = {
203 {
204 .start = 0x40700000,
205 .end = 0x40700023,
206 .flags = IORESOURCE_MEM,
207 }, {
208 .start = IRQ_STUART,
209 .end = IRQ_STUART,
210 .flags = IORESOURCE_IRQ,
211 }
212 };
213
214 struct platform_device pxa_device_stuart = {
215 .name = "pxa2xx-uart",
216 .id = 2,
217 .resource = pxa_resource_stuart,
218 .num_resources = ARRAY_SIZE(pxa_resource_stuart),
219 };
220
pxa_set_stuart_info(void * info)221 void __init pxa_set_stuart_info(void *info)
222 {
223 pxa_register_device(&pxa_device_stuart, info);
224 }
225
226 static struct resource pxa_resource_hwuart[] = {
227 {
228 .start = 0x41600000,
229 .end = 0x4160002F,
230 .flags = IORESOURCE_MEM,
231 }, {
232 .start = IRQ_HWUART,
233 .end = IRQ_HWUART,
234 .flags = IORESOURCE_IRQ,
235 }
236 };
237
238 struct platform_device pxa_device_hwuart = {
239 .name = "pxa2xx-uart",
240 .id = 3,
241 .resource = pxa_resource_hwuart,
242 .num_resources = ARRAY_SIZE(pxa_resource_hwuart),
243 };
244
pxa_set_hwuart_info(void * info)245 void __init pxa_set_hwuart_info(void *info)
246 {
247 if (cpu_is_pxa255())
248 pxa_register_device(&pxa_device_hwuart, info);
249 else
250 pr_info("UART: Ignoring attempt to register HWUART on non-PXA255 hardware");
251 }
252
253 static struct resource pxai2c_resources[] = {
254 {
255 .start = 0x40301680,
256 .end = 0x403016a3,
257 .flags = IORESOURCE_MEM,
258 }, {
259 .start = IRQ_I2C,
260 .end = IRQ_I2C,
261 .flags = IORESOURCE_IRQ,
262 },
263 };
264
265 struct platform_device pxa_device_i2c = {
266 .name = "pxa2xx-i2c",
267 .id = 0,
268 .resource = pxai2c_resources,
269 .num_resources = ARRAY_SIZE(pxai2c_resources),
270 };
271
pxa_set_i2c_info(struct i2c_pxa_platform_data * info)272 void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
273 {
274 pxa_register_device(&pxa_device_i2c, info);
275 }
276
277 #ifdef CONFIG_PXA27x
278 static struct resource pxa27x_resources_i2c_power[] = {
279 {
280 .start = 0x40f00180,
281 .end = 0x40f001a3,
282 .flags = IORESOURCE_MEM,
283 }, {
284 .start = IRQ_PWRI2C,
285 .end = IRQ_PWRI2C,
286 .flags = IORESOURCE_IRQ,
287 },
288 };
289
290 struct platform_device pxa27x_device_i2c_power = {
291 .name = "pxa2xx-i2c",
292 .id = 1,
293 .resource = pxa27x_resources_i2c_power,
294 .num_resources = ARRAY_SIZE(pxa27x_resources_i2c_power),
295 };
296 #endif
297
298 static struct resource pxai2s_resources[] = {
299 {
300 .start = 0x40400000,
301 .end = 0x40400083,
302 .flags = IORESOURCE_MEM,
303 }, {
304 .start = IRQ_I2S,
305 .end = IRQ_I2S,
306 .flags = IORESOURCE_IRQ,
307 },
308 };
309
310 struct platform_device pxa_device_i2s = {
311 .name = "pxa2xx-i2s",
312 .id = -1,
313 .resource = pxai2s_resources,
314 .num_resources = ARRAY_SIZE(pxai2s_resources),
315 };
316
317 struct platform_device pxa_device_asoc_ssp1 = {
318 .name = "pxa-ssp-dai",
319 .id = 0,
320 };
321
322 struct platform_device pxa_device_asoc_ssp2= {
323 .name = "pxa-ssp-dai",
324 .id = 1,
325 };
326
327 struct platform_device pxa_device_asoc_ssp3 = {
328 .name = "pxa-ssp-dai",
329 .id = 2,
330 };
331
332 struct platform_device pxa_device_asoc_ssp4 = {
333 .name = "pxa-ssp-dai",
334 .id = 3,
335 };
336
337 struct platform_device pxa_device_asoc_platform = {
338 .name = "pxa-pcm-audio",
339 .id = -1,
340 };
341
342 static struct resource pxa_rtc_resources[] = {
343 [0] = {
344 .start = 0x40900000,
345 .end = 0x40900000 + 0x3b,
346 .flags = IORESOURCE_MEM,
347 },
348 [1] = {
349 .start = IRQ_RTC1Hz,
350 .end = IRQ_RTC1Hz,
351 .name = "rtc 1Hz",
352 .flags = IORESOURCE_IRQ,
353 },
354 [2] = {
355 .start = IRQ_RTCAlrm,
356 .end = IRQ_RTCAlrm,
357 .name = "rtc alarm",
358 .flags = IORESOURCE_IRQ,
359 },
360 };
361
362 struct platform_device pxa_device_rtc = {
363 .name = "pxa-rtc",
364 .id = -1,
365 .num_resources = ARRAY_SIZE(pxa_rtc_resources),
366 .resource = pxa_rtc_resources,
367 };
368
369 struct platform_device sa1100_device_rtc = {
370 .name = "sa1100-rtc",
371 .id = -1,
372 .num_resources = ARRAY_SIZE(pxa_rtc_resources),
373 .resource = pxa_rtc_resources,
374 };
375
376 #ifdef CONFIG_PXA25x
377
378 static struct resource pxa25x_resource_pwm0[] = {
379 [0] = {
380 .start = 0x40b00000,
381 .end = 0x40b0000f,
382 .flags = IORESOURCE_MEM,
383 },
384 };
385
386 struct platform_device pxa25x_device_pwm0 = {
387 .name = "pxa25x-pwm",
388 .id = 0,
389 .resource = pxa25x_resource_pwm0,
390 .num_resources = ARRAY_SIZE(pxa25x_resource_pwm0),
391 };
392
393 static struct resource pxa25x_resource_pwm1[] = {
394 [0] = {
395 .start = 0x40c00000,
396 .end = 0x40c0000f,
397 .flags = IORESOURCE_MEM,
398 },
399 };
400
401 struct platform_device pxa25x_device_pwm1 = {
402 .name = "pxa25x-pwm",
403 .id = 1,
404 .resource = pxa25x_resource_pwm1,
405 .num_resources = ARRAY_SIZE(pxa25x_resource_pwm1),
406 };
407
408 static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32);
409
410 static struct resource pxa25x_resource_ssp[] = {
411 [0] = {
412 .start = 0x41000000,
413 .end = 0x4100001f,
414 .flags = IORESOURCE_MEM,
415 },
416 [1] = {
417 .start = IRQ_SSP,
418 .end = IRQ_SSP,
419 .flags = IORESOURCE_IRQ,
420 },
421 };
422
423 struct platform_device pxa25x_device_ssp = {
424 .name = "pxa25x-ssp",
425 .id = 0,
426 .dev = {
427 .dma_mask = &pxa25x_ssp_dma_mask,
428 .coherent_dma_mask = DMA_BIT_MASK(32),
429 },
430 .resource = pxa25x_resource_ssp,
431 .num_resources = ARRAY_SIZE(pxa25x_resource_ssp),
432 };
433
434 static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32);
435
436 static struct resource pxa25x_resource_nssp[] = {
437 [0] = {
438 .start = 0x41400000,
439 .end = 0x4140002f,
440 .flags = IORESOURCE_MEM,
441 },
442 [1] = {
443 .start = IRQ_NSSP,
444 .end = IRQ_NSSP,
445 .flags = IORESOURCE_IRQ,
446 },
447 };
448
449 struct platform_device pxa25x_device_nssp = {
450 .name = "pxa25x-nssp",
451 .id = 1,
452 .dev = {
453 .dma_mask = &pxa25x_nssp_dma_mask,
454 .coherent_dma_mask = DMA_BIT_MASK(32),
455 },
456 .resource = pxa25x_resource_nssp,
457 .num_resources = ARRAY_SIZE(pxa25x_resource_nssp),
458 };
459
460 static u64 pxa25x_assp_dma_mask = DMA_BIT_MASK(32);
461
462 static struct resource pxa25x_resource_assp[] = {
463 [0] = {
464 .start = 0x41500000,
465 .end = 0x4150002f,
466 .flags = IORESOURCE_MEM,
467 },
468 [1] = {
469 .start = IRQ_ASSP,
470 .end = IRQ_ASSP,
471 .flags = IORESOURCE_IRQ,
472 },
473 };
474
475 struct platform_device pxa25x_device_assp = {
476 /* ASSP is basically equivalent to NSSP */
477 .name = "pxa25x-nssp",
478 .id = 2,
479 .dev = {
480 .dma_mask = &pxa25x_assp_dma_mask,
481 .coherent_dma_mask = DMA_BIT_MASK(32),
482 },
483 .resource = pxa25x_resource_assp,
484 .num_resources = ARRAY_SIZE(pxa25x_resource_assp),
485 };
486 #endif /* CONFIG_PXA25x */
487
488 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
489 static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32);
490
491 static struct resource pxa27x_resource_ohci[] = {
492 [0] = {
493 .start = 0x4C000000,
494 .end = 0x4C00ff6f,
495 .flags = IORESOURCE_MEM,
496 },
497 [1] = {
498 .start = IRQ_USBH1,
499 .end = IRQ_USBH1,
500 .flags = IORESOURCE_IRQ,
501 },
502 };
503
504 struct platform_device pxa27x_device_ohci = {
505 .name = "pxa27x-ohci",
506 .id = -1,
507 .dev = {
508 .dma_mask = &pxa27x_ohci_dma_mask,
509 .coherent_dma_mask = DMA_BIT_MASK(32),
510 },
511 .num_resources = ARRAY_SIZE(pxa27x_resource_ohci),
512 .resource = pxa27x_resource_ohci,
513 };
514
pxa_set_ohci_info(struct pxaohci_platform_data * info)515 void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
516 {
517 pxa_register_device(&pxa27x_device_ohci, info);
518 }
519 #endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
520
521 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
522 static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32);
523
524 static struct resource pxa27x_resource_ssp1[] = {
525 [0] = {
526 .start = 0x41000000,
527 .end = 0x4100003f,
528 .flags = IORESOURCE_MEM,
529 },
530 [1] = {
531 .start = IRQ_SSP,
532 .end = IRQ_SSP,
533 .flags = IORESOURCE_IRQ,
534 },
535 };
536
537 struct platform_device pxa27x_device_ssp1 = {
538 .name = "pxa27x-ssp",
539 .id = 0,
540 .dev = {
541 .dma_mask = &pxa27x_ssp1_dma_mask,
542 .coherent_dma_mask = DMA_BIT_MASK(32),
543 },
544 .resource = pxa27x_resource_ssp1,
545 .num_resources = ARRAY_SIZE(pxa27x_resource_ssp1),
546 };
547
548 static u64 pxa27x_ssp2_dma_mask = DMA_BIT_MASK(32);
549
550 static struct resource pxa27x_resource_ssp2[] = {
551 [0] = {
552 .start = 0x41700000,
553 .end = 0x4170003f,
554 .flags = IORESOURCE_MEM,
555 },
556 [1] = {
557 .start = IRQ_SSP2,
558 .end = IRQ_SSP2,
559 .flags = IORESOURCE_IRQ,
560 },
561 };
562
563 struct platform_device pxa27x_device_ssp2 = {
564 .name = "pxa27x-ssp",
565 .id = 1,
566 .dev = {
567 .dma_mask = &pxa27x_ssp2_dma_mask,
568 .coherent_dma_mask = DMA_BIT_MASK(32),
569 },
570 .resource = pxa27x_resource_ssp2,
571 .num_resources = ARRAY_SIZE(pxa27x_resource_ssp2),
572 };
573
574 static u64 pxa27x_ssp3_dma_mask = DMA_BIT_MASK(32);
575
576 static struct resource pxa27x_resource_ssp3[] = {
577 [0] = {
578 .start = 0x41900000,
579 .end = 0x4190003f,
580 .flags = IORESOURCE_MEM,
581 },
582 [1] = {
583 .start = IRQ_SSP3,
584 .end = IRQ_SSP3,
585 .flags = IORESOURCE_IRQ,
586 },
587 };
588
589 struct platform_device pxa27x_device_ssp3 = {
590 .name = "pxa27x-ssp",
591 .id = 2,
592 .dev = {
593 .dma_mask = &pxa27x_ssp3_dma_mask,
594 .coherent_dma_mask = DMA_BIT_MASK(32),
595 },
596 .resource = pxa27x_resource_ssp3,
597 .num_resources = ARRAY_SIZE(pxa27x_resource_ssp3),
598 };
599
600 static struct resource pxa27x_resource_pwm0[] = {
601 [0] = {
602 .start = 0x40b00000,
603 .end = 0x40b0001f,
604 .flags = IORESOURCE_MEM,
605 },
606 };
607
608 struct platform_device pxa27x_device_pwm0 = {
609 .name = "pxa27x-pwm",
610 .id = 0,
611 .resource = pxa27x_resource_pwm0,
612 .num_resources = ARRAY_SIZE(pxa27x_resource_pwm0),
613 };
614
615 static struct resource pxa27x_resource_pwm1[] = {
616 [0] = {
617 .start = 0x40c00000,
618 .end = 0x40c0001f,
619 .flags = IORESOURCE_MEM,
620 },
621 };
622
623 struct platform_device pxa27x_device_pwm1 = {
624 .name = "pxa27x-pwm",
625 .id = 1,
626 .resource = pxa27x_resource_pwm1,
627 .num_resources = ARRAY_SIZE(pxa27x_resource_pwm1),
628 };
629 #endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
630
631 struct resource pxa_resource_gpio[] = {
632 {
633 .start = 0x40e00000,
634 .end = 0x40e0ffff,
635 .flags = IORESOURCE_MEM,
636 }, {
637 .start = IRQ_GPIO0,
638 .end = IRQ_GPIO0,
639 .name = "gpio0",
640 .flags = IORESOURCE_IRQ,
641 }, {
642 .start = IRQ_GPIO1,
643 .end = IRQ_GPIO1,
644 .name = "gpio1",
645 .flags = IORESOURCE_IRQ,
646 }, {
647 .start = IRQ_GPIO_2_x,
648 .end = IRQ_GPIO_2_x,
649 .name = "gpio_mux",
650 .flags = IORESOURCE_IRQ,
651 },
652 };
653
654 struct platform_device pxa25x_device_gpio = {
655 .name = "pxa25x-gpio",
656 .id = -1,
657 .num_resources = ARRAY_SIZE(pxa_resource_gpio),
658 .resource = pxa_resource_gpio,
659 };
660
661 struct platform_device pxa27x_device_gpio = {
662 .name = "pxa27x-gpio",
663 .id = -1,
664 .num_resources = ARRAY_SIZE(pxa_resource_gpio),
665 .resource = pxa_resource_gpio,
666 };
667
668 /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1.
669 * See comment in arch/arm/mach-pxa/ssp.c::ssp_probe() */
pxa2xx_set_spi_info(unsigned id,struct pxa2xx_spi_controller * info)670 void __init pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info)
671 {
672 struct platform_device *pd;
673
674 pd = platform_device_alloc("pxa2xx-spi", id);
675 if (pd == NULL) {
676 printk(KERN_ERR "pxa2xx-spi: failed to allocate device id %d\n",
677 id);
678 return;
679 }
680
681 pd->dev.platform_data = info;
682 platform_device_add(pd);
683 }
684
685 static struct resource pxa_dma_resource[] = {
686 [0] = {
687 .start = 0x40000000,
688 .end = 0x4000ffff,
689 .flags = IORESOURCE_MEM,
690 },
691 [1] = {
692 .start = IRQ_DMA,
693 .end = IRQ_DMA,
694 .flags = IORESOURCE_IRQ,
695 },
696 };
697
698 static u64 pxadma_dmamask = 0xffffffffUL;
699
700 static struct platform_device pxa2xx_pxa_dma = {
701 .name = "pxa-dma",
702 .id = 0,
703 .dev = {
704 .dma_mask = &pxadma_dmamask,
705 .coherent_dma_mask = 0xffffffff,
706 },
707 .num_resources = ARRAY_SIZE(pxa_dma_resource),
708 .resource = pxa_dma_resource,
709 };
710
pxa2xx_set_dmac_info(struct mmp_dma_platdata * dma_pdata)711 void __init pxa2xx_set_dmac_info(struct mmp_dma_platdata *dma_pdata)
712 {
713 pxa_register_device(&pxa2xx_pxa_dma, dma_pdata);
714 }
715
pxa_register_wdt(unsigned int reset_status)716 void __init pxa_register_wdt(unsigned int reset_status)
717 {
718 struct resource res = DEFINE_RES_MEM(OST_PHYS, OST_LEN);
719
720 reset_status &= RESET_STATUS_WATCHDOG;
721 platform_device_register_resndata(NULL, "sa1100_wdt", -1, &res, 1,
722 &reset_status, sizeof(reset_status));
723 }
724