• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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