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_32BIT | SMC91X_NOWAIT,
138 .leda = RPC_LED_100_10,
139 .ledb = RPC_LED_TX_RX,
140 };
141
142 static struct resource smc91x_resources[] = {
143 {
144 .name = "smc91x-regs",
145 .start = 0x2C010300,
146 .end = 0x2C010300 + 16,
147 .flags = IORESOURCE_MEM,
148 }, {
149
150 .start = IRQ_PF9,
151 .end = IRQ_PF9,
152 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
153 },
154 };
155
156 static struct platform_device smc91x_device = {
157 .name = "smc91x",
158 .id = 0,
159 .num_resources = ARRAY_SIZE(smc91x_resources),
160 .resource = smc91x_resources,
161 .dev = {
162 .platform_data = &smc91x_info,
163 },
164 };
165 #endif
166
167 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
168 #ifdef CONFIG_SERIAL_BFIN_UART0
169 static struct resource bfin_uart0_resources[] = {
170 {
171 .start = BFIN_UART_THR,
172 .end = BFIN_UART_GCTL+2,
173 .flags = IORESOURCE_MEM,
174 },
175 {
176 .start = IRQ_UART_TX,
177 .end = IRQ_UART_TX,
178 .flags = IORESOURCE_IRQ,
179 },
180 {
181 .start = IRQ_UART_RX,
182 .end = IRQ_UART_RX,
183 .flags = IORESOURCE_IRQ,
184 },
185 {
186 .start = IRQ_UART_ERROR,
187 .end = IRQ_UART_ERROR,
188 .flags = IORESOURCE_IRQ,
189 },
190 {
191 .start = CH_UART_TX,
192 .end = CH_UART_TX,
193 .flags = IORESOURCE_DMA,
194 },
195 {
196 .start = CH_UART_RX,
197 .end = CH_UART_RX,
198 .flags = IORESOURCE_DMA,
199 },
200 };
201
202 static unsigned short bfin_uart0_peripherals[] = {
203 P_UART0_TX, P_UART0_RX, 0
204 };
205
206 static struct platform_device bfin_uart0_device = {
207 .name = "bfin-uart",
208 .id = 0,
209 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
210 .resource = bfin_uart0_resources,
211 .dev = {
212 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
213 },
214 };
215 #endif
216 #endif
217
218 #if IS_ENABLED(CONFIG_BFIN_SIR)
219 #ifdef CONFIG_BFIN_SIR0
220 static struct resource bfin_sir0_resources[] = {
221 {
222 .start = 0xFFC00400,
223 .end = 0xFFC004FF,
224 .flags = IORESOURCE_MEM,
225 },
226 {
227 .start = IRQ_UART0_RX,
228 .end = IRQ_UART0_RX+1,
229 .flags = IORESOURCE_IRQ,
230 },
231 {
232 .start = CH_UART0_RX,
233 .end = CH_UART0_RX+1,
234 .flags = IORESOURCE_DMA,
235 },
236 };
237
238 static struct platform_device bfin_sir0_device = {
239 .name = "bfin_sir",
240 .id = 0,
241 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
242 .resource = bfin_sir0_resources,
243 };
244 #endif
245 #endif
246
247 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
248 static struct mtd_partition ezkit_partitions[] = {
249 {
250 .name = "bootloader(nor)",
251 .size = 0x40000,
252 .offset = 0,
253 }, {
254 .name = "linux kernel(nor)",
255 .size = 0x1C0000,
256 .offset = MTDPART_OFS_APPEND,
257 }, {
258 .name = "file system(nor)",
259 .size = 0x800000 - 0x40000 - 0x1C0000 - 0x2000 * 8,
260 .offset = MTDPART_OFS_APPEND,
261 }, {
262 .name = "config(nor)",
263 .size = 0x2000 * 7,
264 .offset = MTDPART_OFS_APPEND,
265 }, {
266 .name = "u-boot env(nor)",
267 .size = 0x2000,
268 .offset = MTDPART_OFS_APPEND,
269 }
270 };
271
272 static struct physmap_flash_data ezkit_flash_data = {
273 .width = 2,
274 .parts = ezkit_partitions,
275 .nr_parts = ARRAY_SIZE(ezkit_partitions),
276 };
277
278 static struct resource ezkit_flash_resource = {
279 .start = 0x20000000,
280 .end = 0x207fffff,
281 .flags = IORESOURCE_MEM,
282 };
283
284 static struct platform_device ezkit_flash_device = {
285 .name = "physmap-flash",
286 .id = 0,
287 .dev = {
288 .platform_data = &ezkit_flash_data,
289 },
290 .num_resources = 1,
291 .resource = &ezkit_flash_resource,
292 };
293 #endif
294
295 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
296 /* SPI (0) */
297 static struct resource bfin_spi0_resource[] = {
298 [0] = {
299 .start = SPI0_REGBASE,
300 .end = SPI0_REGBASE + 0xFF,
301 .flags = IORESOURCE_MEM,
302 },
303 [1] = {
304 .start = CH_SPI,
305 .end = CH_SPI,
306 .flags = IORESOURCE_DMA,
307 },
308 [2] = {
309 .start = IRQ_SPI,
310 .end = IRQ_SPI,
311 .flags = IORESOURCE_IRQ,
312 }
313 };
314
315 /* SPI controller data */
316 static struct bfin5xx_spi_master bfin_spi0_info = {
317 .num_chipselect = 8,
318 .enable_dma = 1, /* master has the ability to do dma transfer */
319 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
320 };
321
322 static struct platform_device bfin_spi0_device = {
323 .name = "bfin-spi",
324 .id = 0, /* Bus number */
325 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
326 .resource = bfin_spi0_resource,
327 .dev = {
328 .platform_data = &bfin_spi0_info, /* Passed to driver */
329 },
330 };
331 #endif
332
333 static struct spi_board_info bfin_spi_board_info[] __initdata = {
334 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
335 {
336 .modalias = "ad183x",
337 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
338 .bus_num = 0,
339 .chip_select = 4,
340 .platform_data = "ad1836", /* only includes chip name for the moment */
341 .mode = SPI_MODE_3,
342 },
343 #endif
344 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
345 {
346 .modalias = "spidev",
347 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
348 .bus_num = 0,
349 .chip_select = 1,
350 },
351 #endif
352 };
353
354 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
355 #include <linux/input.h>
356 #include <linux/gpio_keys.h>
357
358 static struct gpio_keys_button bfin_gpio_keys_table[] = {
359 {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
360 {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
361 {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
362 {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
363 };
364
365 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
366 .buttons = bfin_gpio_keys_table,
367 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
368 };
369
370 static struct platform_device bfin_device_gpiokeys = {
371 .name = "gpio-keys",
372 .dev = {
373 .platform_data = &bfin_gpio_keys_data,
374 },
375 };
376 #endif
377
378 #if IS_ENABLED(CONFIG_I2C_GPIO)
379 #include <linux/i2c-gpio.h>
380
381 static struct i2c_gpio_platform_data i2c_gpio_data = {
382 .sda_pin = GPIO_PF1,
383 .scl_pin = GPIO_PF0,
384 .sda_is_open_drain = 0,
385 .scl_is_open_drain = 0,
386 .udelay = 10,
387 };
388
389 static struct platform_device i2c_gpio_device = {
390 .name = "i2c-gpio",
391 .id = 0,
392 .dev = {
393 .platform_data = &i2c_gpio_data,
394 },
395 };
396 #endif
397
398 static const unsigned int cclk_vlev_datasheet[] =
399 {
400 VRPAIR(VLEV_085, 250000000),
401 VRPAIR(VLEV_090, 300000000),
402 VRPAIR(VLEV_095, 313000000),
403 VRPAIR(VLEV_100, 350000000),
404 VRPAIR(VLEV_105, 400000000),
405 VRPAIR(VLEV_110, 444000000),
406 VRPAIR(VLEV_115, 450000000),
407 VRPAIR(VLEV_120, 475000000),
408 VRPAIR(VLEV_125, 500000000),
409 VRPAIR(VLEV_130, 600000000),
410 };
411
412 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
413 .tuple_tab = cclk_vlev_datasheet,
414 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
415 .vr_settling_time = 25 /* us */,
416 };
417
418 static struct platform_device bfin_dpmc = {
419 .name = "bfin dpmc",
420 .dev = {
421 .platform_data = &bfin_dmpc_vreg_data,
422 },
423 };
424
425 #if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE)
426 #include <linux/videodev2.h>
427 #include <media/blackfin/bfin_capture.h>
428 #include <media/blackfin/ppi.h>
429
430 static const unsigned short ppi_req[] = {
431 P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3,
432 P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7,
433 P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
434 0,
435 };
436
437 static const struct ppi_info ppi_info = {
438 .type = PPI_TYPE_PPI,
439 .dma_ch = CH_PPI0,
440 .irq_err = IRQ_PPI1_ERROR,
441 .base = (void __iomem *)PPI0_CONTROL,
442 .pin_req = ppi_req,
443 };
444
445 #if IS_ENABLED(CONFIG_VIDEO_ADV7183)
446 #include <media/adv7183.h>
447 static struct v4l2_input adv7183_inputs[] = {
448 {
449 .index = 0,
450 .name = "Composite",
451 .type = V4L2_INPUT_TYPE_CAMERA,
452 .std = V4L2_STD_ALL,
453 .capabilities = V4L2_IN_CAP_STD,
454 },
455 {
456 .index = 1,
457 .name = "S-Video",
458 .type = V4L2_INPUT_TYPE_CAMERA,
459 .std = V4L2_STD_ALL,
460 .capabilities = V4L2_IN_CAP_STD,
461 },
462 {
463 .index = 2,
464 .name = "Component",
465 .type = V4L2_INPUT_TYPE_CAMERA,
466 .std = V4L2_STD_ALL,
467 .capabilities = V4L2_IN_CAP_STD,
468 },
469 };
470
471 static struct bcap_route adv7183_routes[] = {
472 {
473 .input = ADV7183_COMPOSITE4,
474 .output = ADV7183_8BIT_OUT,
475 },
476 {
477 .input = ADV7183_SVIDEO0,
478 .output = ADV7183_8BIT_OUT,
479 },
480 {
481 .input = ADV7183_COMPONENT0,
482 .output = ADV7183_8BIT_OUT,
483 },
484 };
485
486
487 static const unsigned adv7183_gpio[] = {
488 GPIO_PF13, /* reset pin */
489 GPIO_PF2, /* output enable pin */
490 };
491
492 static struct bfin_capture_config bfin_capture_data = {
493 .card_name = "BF561",
494 .inputs = adv7183_inputs,
495 .num_inputs = ARRAY_SIZE(adv7183_inputs),
496 .routes = adv7183_routes,
497 .i2c_adapter_id = 0,
498 .board_info = {
499 .type = "adv7183",
500 .addr = 0x20,
501 .platform_data = (void *)adv7183_gpio,
502 },
503 .ppi_info = &ppi_info,
504 .ppi_control = (PACK_EN | DLEN_8 | DMA32 | FLD_SEL),
505 };
506 #endif
507
508 static struct platform_device bfin_capture_device = {
509 .name = "bfin_capture",
510 .dev = {
511 .platform_data = &bfin_capture_data,
512 },
513 };
514 #endif
515
516 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
517 static struct platform_device bfin_i2s = {
518 .name = "bfin-i2s",
519 .id = CONFIG_SND_BF5XX_SPORT_NUM,
520 /* TODO: add platform data here */
521 };
522 #endif
523
524 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
525 static struct platform_device bfin_ac97 = {
526 .name = "bfin-ac97",
527 .id = CONFIG_SND_BF5XX_SPORT_NUM,
528 /* TODO: add platform data here */
529 };
530 #endif
531
532 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
533 static const char * const ad1836_link[] = {
534 "bfin-i2s.0",
535 "spi0.4",
536 };
537 static struct platform_device bfin_ad1836_machine = {
538 .name = "bfin-snd-ad1836",
539 .id = -1,
540 .dev = {
541 .platform_data = (void *)ad1836_link,
542 },
543 };
544 #endif
545
546 static struct platform_device *ezkit_devices[] __initdata = {
547
548 &bfin_dpmc,
549
550 #if IS_ENABLED(CONFIG_SMC91X)
551 &smc91x_device,
552 #endif
553
554 #if IS_ENABLED(CONFIG_USB_NET2272)
555 &net2272_bfin_device,
556 #endif
557
558 #if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
559 &bfin_isp1760_device,
560 #endif
561
562 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
563 &bfin_spi0_device,
564 #endif
565
566 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
567 #ifdef CONFIG_SERIAL_BFIN_UART0
568 &bfin_uart0_device,
569 #endif
570 #endif
571
572 #if IS_ENABLED(CONFIG_BFIN_SIR)
573 #ifdef CONFIG_BFIN_SIR0
574 &bfin_sir0_device,
575 #endif
576 #endif
577
578 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
579 &bfin_device_gpiokeys,
580 #endif
581
582 #if IS_ENABLED(CONFIG_I2C_GPIO)
583 &i2c_gpio_device,
584 #endif
585
586 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
587 &isp1362_hcd_device,
588 #endif
589
590 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
591 &ezkit_flash_device,
592 #endif
593
594 #if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE)
595 &bfin_capture_device,
596 #endif
597
598 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
599 &bfin_i2s,
600 #endif
601
602 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
603 &bfin_ac97,
604 #endif
605
606 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
607 &bfin_ad1836_machine,
608 #endif
609 };
610
net2272_init(void)611 static int __init net2272_init(void)
612 {
613 #if IS_ENABLED(CONFIG_USB_NET2272)
614 int ret;
615
616 ret = gpio_request(GPIO_PF11, "net2272");
617 if (ret)
618 return ret;
619
620 /* Reset the USB chip */
621 gpio_direction_output(GPIO_PF11, 0);
622 mdelay(2);
623 gpio_set_value(GPIO_PF11, 1);
624 #endif
625
626 return 0;
627 }
628
ezkit_init(void)629 static int __init ezkit_init(void)
630 {
631 int ret;
632
633 printk(KERN_INFO "%s(): registering device resources\n", __func__);
634
635 ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
636 if (ret < 0)
637 return ret;
638
639 #if IS_ENABLED(CONFIG_SMC91X)
640 bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
641 SSYNC();
642 #endif
643
644 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
645 bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
646 bfin_write_FIO0_FLAG_S(1 << 15);
647 SSYNC();
648 /*
649 * This initialization lasts for approximately 4500 MCLKs.
650 * MCLK = 12.288MHz
651 */
652 udelay(400);
653 #endif
654
655 if (net2272_init())
656 pr_warning("unable to configure net2272; it probably won't work\n");
657
658 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
659 return 0;
660 }
661
662 arch_initcall(ezkit_init);
663
664 static struct platform_device *ezkit_early_devices[] __initdata = {
665 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
666 #ifdef CONFIG_SERIAL_BFIN_UART0
667 &bfin_uart0_device,
668 #endif
669 #endif
670 };
671
native_machine_early_platform_add_devices(void)672 void __init native_machine_early_platform_add_devices(void)
673 {
674 printk(KERN_INFO "register early platform devices\n");
675 early_platform_add_devices(ezkit_early_devices,
676 ARRAY_SIZE(ezkit_early_devices));
677 }
678