1 /*
2 * Copyright 2004-2009 Analog Devices Inc.
3 * 2005 National ICT Australia (NICTA)
4 * Aidan Williams <aidan@nicta.com.au>
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9 #include <linux/device.h>
10 #include <linux/platform_device.h>
11 #include <linux/mtd/mtd.h>
12 #include <linux/mtd/partitions.h>
13 #include <linux/mtd/physmap.h>
14 #include <linux/spi/spi.h>
15 #include <linux/irq.h>
16 #include <linux/interrupt.h>
17 #include <linux/gpio.h>
18 #include <linux/delay.h>
19 #include <asm/dma.h>
20 #include <asm/bfin5xx_spi.h>
21 #include <asm/portmux.h>
22 #include <asm/dpmc.h>
23
24 /*
25 * Name the Board for the /proc/cpuinfo
26 */
27 const char bfin_board_name[] = "ADI BF561-EZKIT";
28
29 #if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
30 #include <linux/usb/isp1760.h>
31 static struct resource bfin_isp1760_resources[] = {
32 [0] = {
33 .start = 0x2C0F0000,
34 .end = 0x203C0000 + 0xfffff,
35 .flags = IORESOURCE_MEM,
36 },
37 [1] = {
38 .start = IRQ_PF10,
39 .end = IRQ_PF10,
40 .flags = IORESOURCE_IRQ,
41 },
42 };
43
44 static struct isp1760_platform_data isp1760_priv = {
45 .is_isp1761 = 0,
46 .bus_width_16 = 1,
47 .port1_otg = 0,
48 .analog_oc = 0,
49 .dack_polarity_high = 0,
50 .dreq_polarity_high = 0,
51 };
52
53 static struct platform_device bfin_isp1760_device = {
54 .name = "isp1760",
55 .id = 0,
56 .dev = {
57 .platform_data = &isp1760_priv,
58 },
59 .num_resources = ARRAY_SIZE(bfin_isp1760_resources),
60 .resource = bfin_isp1760_resources,
61 };
62 #endif
63
64 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
65 #include <linux/usb/isp1362.h>
66
67 static struct resource isp1362_hcd_resources[] = {
68 {
69 .start = 0x2c060000,
70 .end = 0x2c060000,
71 .flags = IORESOURCE_MEM,
72 }, {
73 .start = 0x2c060004,
74 .end = 0x2c060004,
75 .flags = IORESOURCE_MEM,
76 }, {
77 .start = IRQ_PF8,
78 .end = IRQ_PF8,
79 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
80 },
81 };
82
83 static struct isp1362_platform_data isp1362_priv = {
84 .sel15Kres = 1,
85 .clknotstop = 0,
86 .oc_enable = 0,
87 .int_act_high = 0,
88 .int_edge_triggered = 0,
89 .remote_wakeup_connected = 0,
90 .no_power_switching = 1,
91 .power_switching_mode = 0,
92 };
93
94 static struct platform_device isp1362_hcd_device = {
95 .name = "isp1362-hcd",
96 .id = 0,
97 .dev = {
98 .platform_data = &isp1362_priv,
99 },
100 .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
101 .resource = isp1362_hcd_resources,
102 };
103 #endif
104
105 #if IS_ENABLED(CONFIG_USB_NET2272)
106 static struct resource net2272_bfin_resources[] = {
107 {
108 .start = 0x2C000000,
109 .end = 0x2C000000 + 0x7F,
110 .flags = IORESOURCE_MEM,
111 }, {
112 .start = 1,
113 .flags = IORESOURCE_BUS,
114 }, {
115 .start = IRQ_PF10,
116 .end = IRQ_PF10,
117 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
118 },
119 };
120
121 static struct platform_device net2272_bfin_device = {
122 .name = "net2272",
123 .id = -1,
124 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
125 .resource = net2272_bfin_resources,
126 };
127 #endif
128
129 /*
130 * USB-LAN EzExtender board
131 * Driver needs to know address, irq and flag pin.
132 */
133 #if IS_ENABLED(CONFIG_SMC91X)
134 #include <linux/smc91x.h>
135
136 static struct smc91x_platdata smc91x_info = {
137 .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
138 SMC91X_NOWAIT,
139 .leda = RPC_LED_100_10,
140 .ledb = RPC_LED_TX_RX,
141 };
142
143 static struct resource smc91x_resources[] = {
144 {
145 .name = "smc91x-regs",
146 .start = 0x2C010300,
147 .end = 0x2C010300 + 16,
148 .flags = IORESOURCE_MEM,
149 }, {
150
151 .start = IRQ_PF9,
152 .end = IRQ_PF9,
153 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
154 },
155 };
156
157 static struct platform_device smc91x_device = {
158 .name = "smc91x",
159 .id = 0,
160 .num_resources = ARRAY_SIZE(smc91x_resources),
161 .resource = smc91x_resources,
162 .dev = {
163 .platform_data = &smc91x_info,
164 },
165 };
166 #endif
167
168 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
169 #ifdef CONFIG_SERIAL_BFIN_UART0
170 static struct resource bfin_uart0_resources[] = {
171 {
172 .start = BFIN_UART_THR,
173 .end = BFIN_UART_GCTL+2,
174 .flags = IORESOURCE_MEM,
175 },
176 {
177 .start = IRQ_UART_TX,
178 .end = IRQ_UART_TX,
179 .flags = IORESOURCE_IRQ,
180 },
181 {
182 .start = IRQ_UART_RX,
183 .end = IRQ_UART_RX,
184 .flags = IORESOURCE_IRQ,
185 },
186 {
187 .start = IRQ_UART_ERROR,
188 .end = IRQ_UART_ERROR,
189 .flags = IORESOURCE_IRQ,
190 },
191 {
192 .start = CH_UART_TX,
193 .end = CH_UART_TX,
194 .flags = IORESOURCE_DMA,
195 },
196 {
197 .start = CH_UART_RX,
198 .end = CH_UART_RX,
199 .flags = IORESOURCE_DMA,
200 },
201 };
202
203 static unsigned short bfin_uart0_peripherals[] = {
204 P_UART0_TX, P_UART0_RX, 0
205 };
206
207 static struct platform_device bfin_uart0_device = {
208 .name = "bfin-uart",
209 .id = 0,
210 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
211 .resource = bfin_uart0_resources,
212 .dev = {
213 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
214 },
215 };
216 #endif
217 #endif
218
219 #if IS_ENABLED(CONFIG_BFIN_SIR)
220 #ifdef CONFIG_BFIN_SIR0
221 static struct resource bfin_sir0_resources[] = {
222 {
223 .start = 0xFFC00400,
224 .end = 0xFFC004FF,
225 .flags = IORESOURCE_MEM,
226 },
227 {
228 .start = IRQ_UART0_RX,
229 .end = IRQ_UART0_RX+1,
230 .flags = IORESOURCE_IRQ,
231 },
232 {
233 .start = CH_UART0_RX,
234 .end = CH_UART0_RX+1,
235 .flags = IORESOURCE_DMA,
236 },
237 };
238
239 static struct platform_device bfin_sir0_device = {
240 .name = "bfin_sir",
241 .id = 0,
242 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
243 .resource = bfin_sir0_resources,
244 };
245 #endif
246 #endif
247
248 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
249 static struct mtd_partition ezkit_partitions[] = {
250 {
251 .name = "bootloader(nor)",
252 .size = 0x40000,
253 .offset = 0,
254 }, {
255 .name = "linux kernel(nor)",
256 .size = 0x1C0000,
257 .offset = MTDPART_OFS_APPEND,
258 }, {
259 .name = "file system(nor)",
260 .size = 0x800000 - 0x40000 - 0x1C0000 - 0x2000 * 8,
261 .offset = MTDPART_OFS_APPEND,
262 }, {
263 .name = "config(nor)",
264 .size = 0x2000 * 7,
265 .offset = MTDPART_OFS_APPEND,
266 }, {
267 .name = "u-boot env(nor)",
268 .size = 0x2000,
269 .offset = MTDPART_OFS_APPEND,
270 }
271 };
272
273 static struct physmap_flash_data ezkit_flash_data = {
274 .width = 2,
275 .parts = ezkit_partitions,
276 .nr_parts = ARRAY_SIZE(ezkit_partitions),
277 };
278
279 static struct resource ezkit_flash_resource = {
280 .start = 0x20000000,
281 .end = 0x207fffff,
282 .flags = IORESOURCE_MEM,
283 };
284
285 static struct platform_device ezkit_flash_device = {
286 .name = "physmap-flash",
287 .id = 0,
288 .dev = {
289 .platform_data = &ezkit_flash_data,
290 },
291 .num_resources = 1,
292 .resource = &ezkit_flash_resource,
293 };
294 #endif
295
296 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
297 /* SPI (0) */
298 static struct resource bfin_spi0_resource[] = {
299 [0] = {
300 .start = SPI0_REGBASE,
301 .end = SPI0_REGBASE + 0xFF,
302 .flags = IORESOURCE_MEM,
303 },
304 [1] = {
305 .start = CH_SPI,
306 .end = CH_SPI,
307 .flags = IORESOURCE_DMA,
308 },
309 [2] = {
310 .start = IRQ_SPI,
311 .end = IRQ_SPI,
312 .flags = IORESOURCE_IRQ,
313 }
314 };
315
316 /* SPI controller data */
317 static struct bfin5xx_spi_master bfin_spi0_info = {
318 .num_chipselect = 8,
319 .enable_dma = 1, /* master has the ability to do dma transfer */
320 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
321 };
322
323 static struct platform_device bfin_spi0_device = {
324 .name = "bfin-spi",
325 .id = 0, /* Bus number */
326 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
327 .resource = bfin_spi0_resource,
328 .dev = {
329 .platform_data = &bfin_spi0_info, /* Passed to driver */
330 },
331 };
332 #endif
333
334 static struct spi_board_info bfin_spi_board_info[] __initdata = {
335 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
336 {
337 .modalias = "ad183x",
338 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
339 .bus_num = 0,
340 .chip_select = 4,
341 .platform_data = "ad1836", /* only includes chip name for the moment */
342 .mode = SPI_MODE_3,
343 },
344 #endif
345 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
346 {
347 .modalias = "spidev",
348 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
349 .bus_num = 0,
350 .chip_select = 1,
351 },
352 #endif
353 };
354
355 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
356 #include <linux/input.h>
357 #include <linux/gpio_keys.h>
358
359 static struct gpio_keys_button bfin_gpio_keys_table[] = {
360 {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
361 {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
362 {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
363 {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
364 };
365
366 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
367 .buttons = bfin_gpio_keys_table,
368 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
369 };
370
371 static struct platform_device bfin_device_gpiokeys = {
372 .name = "gpio-keys",
373 .dev = {
374 .platform_data = &bfin_gpio_keys_data,
375 },
376 };
377 #endif
378
379 #if IS_ENABLED(CONFIG_I2C_GPIO)
380 #include <linux/i2c-gpio.h>
381
382 static struct i2c_gpio_platform_data i2c_gpio_data = {
383 .sda_pin = GPIO_PF1,
384 .scl_pin = GPIO_PF0,
385 .sda_is_open_drain = 0,
386 .scl_is_open_drain = 0,
387 .udelay = 10,
388 };
389
390 static struct platform_device i2c_gpio_device = {
391 .name = "i2c-gpio",
392 .id = 0,
393 .dev = {
394 .platform_data = &i2c_gpio_data,
395 },
396 };
397 #endif
398
399 static const unsigned int cclk_vlev_datasheet[] =
400 {
401 VRPAIR(VLEV_085, 250000000),
402 VRPAIR(VLEV_090, 300000000),
403 VRPAIR(VLEV_095, 313000000),
404 VRPAIR(VLEV_100, 350000000),
405 VRPAIR(VLEV_105, 400000000),
406 VRPAIR(VLEV_110, 444000000),
407 VRPAIR(VLEV_115, 450000000),
408 VRPAIR(VLEV_120, 475000000),
409 VRPAIR(VLEV_125, 500000000),
410 VRPAIR(VLEV_130, 600000000),
411 };
412
413 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
414 .tuple_tab = cclk_vlev_datasheet,
415 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
416 .vr_settling_time = 25 /* us */,
417 };
418
419 static struct platform_device bfin_dpmc = {
420 .name = "bfin dpmc",
421 .dev = {
422 .platform_data = &bfin_dmpc_vreg_data,
423 },
424 };
425
426 #if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE)
427 #include <linux/videodev2.h>
428 #include <media/blackfin/bfin_capture.h>
429 #include <media/blackfin/ppi.h>
430
431 static const unsigned short ppi_req[] = {
432 P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3,
433 P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7,
434 P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
435 0,
436 };
437
438 static const struct ppi_info ppi_info = {
439 .type = PPI_TYPE_PPI,
440 .dma_ch = CH_PPI0,
441 .irq_err = IRQ_PPI1_ERROR,
442 .base = (void __iomem *)PPI0_CONTROL,
443 .pin_req = ppi_req,
444 };
445
446 #if IS_ENABLED(CONFIG_VIDEO_ADV7183)
447 #include <media/adv7183.h>
448 static struct v4l2_input adv7183_inputs[] = {
449 {
450 .index = 0,
451 .name = "Composite",
452 .type = V4L2_INPUT_TYPE_CAMERA,
453 .std = V4L2_STD_ALL,
454 .capabilities = V4L2_IN_CAP_STD,
455 },
456 {
457 .index = 1,
458 .name = "S-Video",
459 .type = V4L2_INPUT_TYPE_CAMERA,
460 .std = V4L2_STD_ALL,
461 .capabilities = V4L2_IN_CAP_STD,
462 },
463 {
464 .index = 2,
465 .name = "Component",
466 .type = V4L2_INPUT_TYPE_CAMERA,
467 .std = V4L2_STD_ALL,
468 .capabilities = V4L2_IN_CAP_STD,
469 },
470 };
471
472 static struct bcap_route adv7183_routes[] = {
473 {
474 .input = ADV7183_COMPOSITE4,
475 .output = ADV7183_8BIT_OUT,
476 },
477 {
478 .input = ADV7183_SVIDEO0,
479 .output = ADV7183_8BIT_OUT,
480 },
481 {
482 .input = ADV7183_COMPONENT0,
483 .output = ADV7183_8BIT_OUT,
484 },
485 };
486
487
488 static const unsigned adv7183_gpio[] = {
489 GPIO_PF13, /* reset pin */
490 GPIO_PF2, /* output enable pin */
491 };
492
493 static struct bfin_capture_config bfin_capture_data = {
494 .card_name = "BF561",
495 .inputs = adv7183_inputs,
496 .num_inputs = ARRAY_SIZE(adv7183_inputs),
497 .routes = adv7183_routes,
498 .i2c_adapter_id = 0,
499 .board_info = {
500 .type = "adv7183",
501 .addr = 0x20,
502 .platform_data = (void *)adv7183_gpio,
503 },
504 .ppi_info = &ppi_info,
505 .ppi_control = (PACK_EN | DLEN_8 | DMA32 | FLD_SEL),
506 };
507 #endif
508
509 static struct platform_device bfin_capture_device = {
510 .name = "bfin_capture",
511 .dev = {
512 .platform_data = &bfin_capture_data,
513 },
514 };
515 #endif
516
517 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
518 static struct platform_device bfin_i2s = {
519 .name = "bfin-i2s",
520 .id = CONFIG_SND_BF5XX_SPORT_NUM,
521 /* TODO: add platform data here */
522 };
523 #endif
524
525 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
526 static struct platform_device bfin_ac97 = {
527 .name = "bfin-ac97",
528 .id = CONFIG_SND_BF5XX_SPORT_NUM,
529 /* TODO: add platform data here */
530 };
531 #endif
532
533 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
534 static const char * const ad1836_link[] = {
535 "bfin-i2s.0",
536 "spi0.4",
537 };
538 static struct platform_device bfin_ad1836_machine = {
539 .name = "bfin-snd-ad1836",
540 .id = -1,
541 .dev = {
542 .platform_data = (void *)ad1836_link,
543 },
544 };
545 #endif
546
547 static struct platform_device *ezkit_devices[] __initdata = {
548
549 &bfin_dpmc,
550
551 #if IS_ENABLED(CONFIG_SMC91X)
552 &smc91x_device,
553 #endif
554
555 #if IS_ENABLED(CONFIG_USB_NET2272)
556 &net2272_bfin_device,
557 #endif
558
559 #if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
560 &bfin_isp1760_device,
561 #endif
562
563 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
564 &bfin_spi0_device,
565 #endif
566
567 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
568 #ifdef CONFIG_SERIAL_BFIN_UART0
569 &bfin_uart0_device,
570 #endif
571 #endif
572
573 #if IS_ENABLED(CONFIG_BFIN_SIR)
574 #ifdef CONFIG_BFIN_SIR0
575 &bfin_sir0_device,
576 #endif
577 #endif
578
579 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
580 &bfin_device_gpiokeys,
581 #endif
582
583 #if IS_ENABLED(CONFIG_I2C_GPIO)
584 &i2c_gpio_device,
585 #endif
586
587 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
588 &isp1362_hcd_device,
589 #endif
590
591 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
592 &ezkit_flash_device,
593 #endif
594
595 #if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE)
596 &bfin_capture_device,
597 #endif
598
599 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
600 &bfin_i2s,
601 #endif
602
603 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
604 &bfin_ac97,
605 #endif
606
607 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
608 &bfin_ad1836_machine,
609 #endif
610 };
611
net2272_init(void)612 static int __init net2272_init(void)
613 {
614 #if IS_ENABLED(CONFIG_USB_NET2272)
615 int ret;
616
617 ret = gpio_request(GPIO_PF11, "net2272");
618 if (ret)
619 return ret;
620
621 /* Reset the USB chip */
622 gpio_direction_output(GPIO_PF11, 0);
623 mdelay(2);
624 gpio_set_value(GPIO_PF11, 1);
625 #endif
626
627 return 0;
628 }
629
ezkit_init(void)630 static int __init ezkit_init(void)
631 {
632 int ret;
633
634 printk(KERN_INFO "%s(): registering device resources\n", __func__);
635
636 ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
637 if (ret < 0)
638 return ret;
639
640 #if IS_ENABLED(CONFIG_SMC91X)
641 bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
642 SSYNC();
643 #endif
644
645 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
646 bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
647 bfin_write_FIO0_FLAG_S(1 << 15);
648 SSYNC();
649 /*
650 * This initialization lasts for approximately 4500 MCLKs.
651 * MCLK = 12.288MHz
652 */
653 udelay(400);
654 #endif
655
656 if (net2272_init())
657 pr_warning("unable to configure net2272; it probably won't work\n");
658
659 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
660 return 0;
661 }
662
663 arch_initcall(ezkit_init);
664
665 static struct platform_device *ezkit_early_devices[] __initdata = {
666 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
667 #ifdef CONFIG_SERIAL_BFIN_UART0
668 &bfin_uart0_device,
669 #endif
670 #endif
671 };
672
native_machine_early_platform_add_devices(void)673 void __init native_machine_early_platform_add_devices(void)
674 {
675 printk(KERN_INFO "register early platform devices\n");
676 early_platform_add_devices(ezkit_early_devices,
677 ARRAY_SIZE(ezkit_early_devices));
678 }
679