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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/delay.h>
11 #include <linux/platform_device.h>
12 #include <linux/mtd/mtd.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17 #include <linux/spi/mmc_spi.h>
18 #if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
19 #include <linux/usb/isp1362.h>
20 #endif
21 #include <linux/gpio.h>
22 #include <linux/irq.h>
23 #include <linux/i2c.h>
24 #include <asm/dma.h>
25 #include <asm/bfin5xx_spi.h>
26 #include <asm/reboot.h>
27 #include <asm/portmux.h>
28 #include <asm/dpmc.h>
29 
30 /*
31  * Name the Board for the /proc/cpuinfo
32  */
33 const char bfin_board_name[] = "ADI BF533-STAMP";
34 
35 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
36 static struct platform_device rtc_device = {
37 	.name = "rtc-bfin",
38 	.id   = -1,
39 };
40 #endif
41 
42 /*
43  *  Driver needs to know address, irq and flag pin.
44  */
45 #if IS_ENABLED(CONFIG_SMC91X)
46 #include <linux/smc91x.h>
47 
48 static struct smc91x_platdata smc91x_info = {
49 	.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
50 	.leda = RPC_LED_100_10,
51 	.ledb = RPC_LED_TX_RX,
52 };
53 
54 static struct resource smc91x_resources[] = {
55 	{
56 		.name = "smc91x-regs",
57 		.start = 0x20300300,
58 		.end = 0x20300300 + 16,
59 		.flags = IORESOURCE_MEM,
60 	}, {
61 		.start = IRQ_PF7,
62 		.end = IRQ_PF7,
63 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
64 	},
65 };
66 
67 static struct platform_device smc91x_device = {
68 	.name = "smc91x",
69 	.id = 0,
70 	.num_resources = ARRAY_SIZE(smc91x_resources),
71 	.resource = smc91x_resources,
72 	.dev	= {
73 		.platform_data	= &smc91x_info,
74 	},
75 };
76 #endif
77 
78 #if IS_ENABLED(CONFIG_USB_NET2272)
79 static struct resource net2272_bfin_resources[] = {
80 	{
81 		.start = 0x20300000,
82 		.end = 0x20300000 + 0x100,
83 		.flags = IORESOURCE_MEM,
84 	}, {
85 		.start = 1,
86 		.flags = IORESOURCE_BUS,
87 	}, {
88 		.start = IRQ_PF10,
89 		.end = IRQ_PF10,
90 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
91 	},
92 };
93 
94 static struct platform_device net2272_bfin_device = {
95 	.name = "net2272",
96 	.id = -1,
97 	.num_resources = ARRAY_SIZE(net2272_bfin_resources),
98 	.resource = net2272_bfin_resources,
99 };
100 #endif
101 
102 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
103 static struct mtd_partition stamp_partitions[] = {
104 	{
105 		.name   = "bootloader(nor)",
106 		.size   = 0x40000,
107 		.offset = 0,
108 	}, {
109 		.name   = "linux kernel(nor)",
110 		.size   = 0x180000,
111 		.offset = MTDPART_OFS_APPEND,
112 	}, {
113 		.name   = "file system(nor)",
114 		.size   = MTDPART_SIZ_FULL,
115 		.offset = MTDPART_OFS_APPEND,
116 	}
117 };
118 
119 static struct physmap_flash_data stamp_flash_data = {
120 	.width    = 2,
121 	.parts    = stamp_partitions,
122 	.nr_parts = ARRAY_SIZE(stamp_partitions),
123 };
124 
125 static struct resource stamp_flash_resource[] = {
126 	{
127 		.name  = "cfi_probe",
128 		.start = 0x20000000,
129 		.end   = 0x203fffff,
130 		.flags = IORESOURCE_MEM,
131 	}, {
132 		.start = 0x7BB07BB0,	/* AMBCTL0 setting when accessing flash */
133 		.end   = 0x7BB07BB0,	/* AMBCTL1 setting when accessing flash */
134 		.flags = IORESOURCE_MEM,
135 	}, {
136 		.start = GPIO_PF0,
137 		.flags = IORESOURCE_IRQ,
138 	}
139 };
140 
141 static struct platform_device stamp_flash_device = {
142 	.name          = "bfin-async-flash",
143 	.id            = 0,
144 	.dev = {
145 		.platform_data = &stamp_flash_data,
146 	},
147 	.num_resources = ARRAY_SIZE(stamp_flash_resource),
148 	.resource      = stamp_flash_resource,
149 };
150 #endif
151 
152 #if IS_ENABLED(CONFIG_MTD_M25P80)
153 static struct mtd_partition bfin_spi_flash_partitions[] = {
154 	{
155 		.name = "bootloader(spi)",
156 		.size = 0x00040000,
157 		.offset = 0,
158 		.mask_flags = MTD_CAP_ROM
159 	}, {
160 		.name = "linux kernel(spi)",
161 		.size = 0x180000,
162 		.offset = MTDPART_OFS_APPEND,
163 	}, {
164 		.name = "file system(spi)",
165 		.size = MTDPART_SIZ_FULL,
166 		.offset = MTDPART_OFS_APPEND,
167 	}
168 };
169 
170 static struct flash_platform_data bfin_spi_flash_data = {
171 	.name = "m25p80",
172 	.parts = bfin_spi_flash_partitions,
173 	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
174 	.type = "m25p64",
175 };
176 
177 /* SPI flash chip (m25p64) */
178 static struct bfin5xx_spi_chip spi_flash_chip_info = {
179 	.enable_dma = 0,         /* use dma transfer with this chip*/
180 };
181 #endif
182 
183 #if IS_ENABLED(CONFIG_MMC_SPI)
184 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
bfin_mmc_spi_init(struct device * dev,irqreturn_t (* detect_int)(int,void *),void * data)185 static int bfin_mmc_spi_init(struct device *dev,
186 	irqreturn_t (*detect_int)(int, void *), void *data)
187 {
188 	return request_irq(MMC_SPI_CARD_DETECT_INT, detect_int,
189 		IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
190 		"mmc-spi-detect", data);
191 }
192 
bfin_mmc_spi_exit(struct device * dev,void * data)193 static void bfin_mmc_spi_exit(struct device *dev, void *data)
194 {
195 	free_irq(MMC_SPI_CARD_DETECT_INT, data);
196 }
197 
198 static struct mmc_spi_platform_data bfin_mmc_spi_pdata = {
199 	.init = bfin_mmc_spi_init,
200 	.exit = bfin_mmc_spi_exit,
201 	.detect_delay = 100, /* msecs */
202 };
203 
204 static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
205 	.enable_dma = 0,
206 	.pio_interrupt = 0,
207 };
208 #endif
209 
210 static struct spi_board_info bfin_spi_board_info[] __initdata = {
211 #if IS_ENABLED(CONFIG_MTD_M25P80)
212 	{
213 		/* the modalias must be the same as spi device driver name */
214 		.modalias = "m25p80", /* Name of spi_driver for this device */
215 		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
216 		.bus_num = 0, /* Framework bus number */
217 		.chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
218 		.platform_data = &bfin_spi_flash_data,
219 		.controller_data = &spi_flash_chip_info,
220 		.mode = SPI_MODE_3,
221 	},
222 #endif
223 
224 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
225 	{
226 		.modalias = "ad1836",
227 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
228 		.bus_num = 0,
229 		.chip_select = 4,
230 		.platform_data = "ad1836", /* only includes chip name for the moment */
231 		.mode = SPI_MODE_3,
232 	},
233 #endif
234 
235 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
236 	{
237 		.modalias = "spidev",
238 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
239 		.bus_num = 0,
240 		.chip_select = 1,
241 	},
242 #endif
243 #if IS_ENABLED(CONFIG_MMC_SPI)
244 	{
245 		.modalias = "mmc_spi",
246 		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
247 		.bus_num = 0,
248 		.chip_select = 4,
249 		.platform_data = &bfin_mmc_spi_pdata,
250 		.controller_data = &mmc_spi_chip_info,
251 		.mode = SPI_MODE_3,
252 	},
253 #endif
254 };
255 
256 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
257 /* SPI (0) */
258 static struct resource bfin_spi0_resource[] = {
259 	[0] = {
260 		.start = SPI0_REGBASE,
261 		.end   = SPI0_REGBASE + 0xFF,
262 		.flags = IORESOURCE_MEM,
263 	},
264 	[1] = {
265 		.start = CH_SPI,
266 		.end   = CH_SPI,
267 		.flags = IORESOURCE_DMA,
268 	},
269 	[2] = {
270 		.start = IRQ_SPI,
271 		.end   = IRQ_SPI,
272 		.flags = IORESOURCE_IRQ,
273 	}
274 };
275 
276 /* SPI controller data */
277 static struct bfin5xx_spi_master bfin_spi0_info = {
278 	.num_chipselect = 8,
279 	.enable_dma = 1,  /* master has the ability to do dma transfer */
280 	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
281 };
282 
283 static struct platform_device bfin_spi0_device = {
284 	.name = "bfin-spi",
285 	.id = 0, /* Bus number */
286 	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
287 	.resource = bfin_spi0_resource,
288 	.dev = {
289 		.platform_data = &bfin_spi0_info, /* Passed to driver */
290 	},
291 };
292 #endif  /* spi master and devices */
293 
294 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
295 #ifdef CONFIG_SERIAL_BFIN_UART0
296 static struct resource bfin_uart0_resources[] = {
297 	{
298 		.start = BFIN_UART_THR,
299 		.end = BFIN_UART_GCTL+2,
300 		.flags = IORESOURCE_MEM,
301 	},
302 	{
303 		.start = IRQ_UART0_TX,
304 		.end = IRQ_UART0_TX,
305 		.flags = IORESOURCE_IRQ,
306 	},
307 	{
308 		.start = IRQ_UART0_RX,
309 		.end = IRQ_UART0_RX,
310 		.flags = IORESOURCE_IRQ,
311 	},
312 	{
313 		.start = IRQ_UART0_ERROR,
314 		.end = IRQ_UART0_ERROR,
315 		.flags = IORESOURCE_IRQ,
316 	},
317 	{
318 		.start = CH_UART0_TX,
319 		.end = CH_UART0_TX,
320 		.flags = IORESOURCE_DMA,
321 	},
322 	{
323 		.start = CH_UART0_RX,
324 		.end = CH_UART0_RX,
325 		.flags = IORESOURCE_DMA,
326 	},
327 };
328 
329 static unsigned short bfin_uart0_peripherals[] = {
330 	P_UART0_TX, P_UART0_RX, 0
331 };
332 
333 static struct platform_device bfin_uart0_device = {
334 	.name = "bfin-uart",
335 	.id = 0,
336 	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
337 	.resource = bfin_uart0_resources,
338 	.dev = {
339 		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
340 	},
341 };
342 #endif
343 #endif
344 
345 #if IS_ENABLED(CONFIG_BFIN_SIR)
346 #ifdef CONFIG_BFIN_SIR0
347 static struct resource bfin_sir0_resources[] = {
348 	{
349 		.start = 0xFFC00400,
350 		.end = 0xFFC004FF,
351 		.flags = IORESOURCE_MEM,
352 	},
353 	{
354 		.start = IRQ_UART0_RX,
355 		.end = IRQ_UART0_RX+1,
356 		.flags = IORESOURCE_IRQ,
357 	},
358 	{
359 		.start = CH_UART0_RX,
360 		.end = CH_UART0_RX+1,
361 		.flags = IORESOURCE_DMA,
362 	},
363 };
364 
365 static struct platform_device bfin_sir0_device = {
366 	.name = "bfin_sir",
367 	.id = 0,
368 	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
369 	.resource = bfin_sir0_resources,
370 };
371 #endif
372 #endif
373 
374 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
375 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
376 static struct resource bfin_sport0_uart_resources[] = {
377 	{
378 		.start = SPORT0_TCR1,
379 		.end = SPORT0_MRCS3+4,
380 		.flags = IORESOURCE_MEM,
381 	},
382 	{
383 		.start = IRQ_SPORT0_RX,
384 		.end = IRQ_SPORT0_RX+1,
385 		.flags = IORESOURCE_IRQ,
386 	},
387 	{
388 		.start = IRQ_SPORT0_ERROR,
389 		.end = IRQ_SPORT0_ERROR,
390 		.flags = IORESOURCE_IRQ,
391 	},
392 };
393 
394 static unsigned short bfin_sport0_peripherals[] = {
395 	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
396 	P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
397 };
398 
399 static struct platform_device bfin_sport0_uart_device = {
400 	.name = "bfin-sport-uart",
401 	.id = 0,
402 	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
403 	.resource = bfin_sport0_uart_resources,
404 	.dev = {
405 		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
406 	},
407 };
408 #endif
409 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
410 static struct resource bfin_sport1_uart_resources[] = {
411 	{
412 		.start = SPORT1_TCR1,
413 		.end = SPORT1_MRCS3+4,
414 		.flags = IORESOURCE_MEM,
415 	},
416 	{
417 		.start = IRQ_SPORT1_RX,
418 		.end = IRQ_SPORT1_RX+1,
419 		.flags = IORESOURCE_IRQ,
420 	},
421 	{
422 		.start = IRQ_SPORT1_ERROR,
423 		.end = IRQ_SPORT1_ERROR,
424 		.flags = IORESOURCE_IRQ,
425 	},
426 };
427 
428 static unsigned short bfin_sport1_peripherals[] = {
429 	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
430 	P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
431 };
432 
433 static struct platform_device bfin_sport1_uart_device = {
434 	.name = "bfin-sport-uart",
435 	.id = 1,
436 	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
437 	.resource = bfin_sport1_uart_resources,
438 	.dev = {
439 		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
440 	},
441 };
442 #endif
443 #endif
444 
445 #if IS_ENABLED(CONFIG_BFIN_SPORT)
446 static struct resource bfin_sport0_resources[] = {
447 	{
448 		.start = SPORT0_TCR1,
449 		.end = SPORT0_MRCS3+4,
450 		.flags = IORESOURCE_MEM,
451 	},
452 	{
453 		.start = IRQ_SPORT0_TX,
454 		.end = IRQ_SPORT0_TX+1,
455 		.flags = IORESOURCE_IRQ,
456 	},
457 	{
458 		.start = IRQ_SPORT0_RX,
459 		.end = IRQ_SPORT0_RX+1,
460 		.flags = IORESOURCE_IRQ,
461 	},
462 	{
463 		.start = IRQ_SPORT0_ERROR,
464 		.end = IRQ_SPORT0_ERROR,
465 		.flags = IORESOURCE_IRQ,
466 	},
467 	{
468 		.start = CH_SPORT0_TX,
469 		.end = CH_SPORT0_TX,
470 		.flags = IORESOURCE_DMA,
471 	},
472 	{
473 		.start = CH_SPORT0_RX,
474 		.end = CH_SPORT0_RX,
475 		.flags = IORESOURCE_DMA,
476 	},
477 };
478 static struct platform_device bfin_sport0_device = {
479 	.name = "bfin_sport_raw",
480 	.id = 0,
481 	.num_resources = ARRAY_SIZE(bfin_sport0_resources),
482 	.resource = bfin_sport0_resources,
483 	.dev = {
484 		.platform_data = &bfin_sport0_peripherals,
485 	},
486 };
487 #endif
488 
489 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
490 #include <linux/input.h>
491 #include <linux/gpio_keys.h>
492 
493 static struct gpio_keys_button bfin_gpio_keys_table[] = {
494 	{BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
495 	{BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
496 	{BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
497 };
498 
499 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
500 	.buttons        = bfin_gpio_keys_table,
501 	.nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
502 };
503 
504 static struct platform_device bfin_device_gpiokeys = {
505 	.name      = "gpio-keys",
506 	.dev = {
507 		.platform_data = &bfin_gpio_keys_data,
508 	},
509 };
510 #endif
511 
512 #if IS_ENABLED(CONFIG_I2C_GPIO)
513 #include <linux/i2c-gpio.h>
514 
515 static struct i2c_gpio_platform_data i2c_gpio_data = {
516 	.sda_pin		= GPIO_PF2,
517 	.scl_pin		= GPIO_PF3,
518 	.sda_is_open_drain	= 0,
519 	.scl_is_open_drain	= 0,
520 	.udelay			= 10,
521 };
522 
523 static struct platform_device i2c_gpio_device = {
524 	.name		= "i2c-gpio",
525 	.id		= 0,
526 	.dev		= {
527 		.platform_data	= &i2c_gpio_data,
528 	},
529 };
530 #endif
531 
532 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
533 #if IS_ENABLED(CONFIG_JOYSTICK_AD7142)
534 	{
535 		I2C_BOARD_INFO("ad7142_joystick", 0x2C),
536 		.irq = 39,
537 	},
538 #endif
539 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
540 	{
541 		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
542 	},
543 #endif
544 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
545 	{
546 		I2C_BOARD_INFO("pcf8574_keypad", 0x27),
547 		.irq = 39,
548 	},
549 #endif
550 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
551 	{
552 		I2C_BOARD_INFO("bfin-adv7393", 0x2B),
553 	},
554 #endif
555 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
556 	{
557 		I2C_BOARD_INFO("ad5252", 0x2f),
558 	},
559 #endif
560 };
561 
562 static const unsigned int cclk_vlev_datasheet[] =
563 {
564 	VRPAIR(VLEV_085, 250000000),
565 	VRPAIR(VLEV_090, 376000000),
566 	VRPAIR(VLEV_095, 426000000),
567 	VRPAIR(VLEV_100, 426000000),
568 	VRPAIR(VLEV_105, 476000000),
569 	VRPAIR(VLEV_110, 476000000),
570 	VRPAIR(VLEV_115, 476000000),
571 	VRPAIR(VLEV_120, 600000000),
572 	VRPAIR(VLEV_125, 600000000),
573 	VRPAIR(VLEV_130, 600000000),
574 };
575 
576 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
577 	.tuple_tab = cclk_vlev_datasheet,
578 	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
579 	.vr_settling_time = 25 /* us */,
580 };
581 
582 static struct platform_device bfin_dpmc = {
583 	.name = "bfin dpmc",
584 	.dev = {
585 		.platform_data = &bfin_dmpc_vreg_data,
586 	},
587 };
588 
589 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S) || \
590 	IS_ENABLED(CONFIG_SND_BF5XX_AC97)
591 
592 #include <asm/bfin_sport.h>
593 
594 #define SPORT_REQ(x) \
595 	[x] = {P_SPORT##x##_TFS, P_SPORT##x##_DTPRI, P_SPORT##x##_TSCLK, \
596 		P_SPORT##x##_RFS, P_SPORT##x##_DRPRI, P_SPORT##x##_RSCLK, 0}
597 
598 static const u16 bfin_snd_pin[][7] = {
599 	SPORT_REQ(0),
600 	SPORT_REQ(1),
601 };
602 
603 static struct bfin_snd_platform_data bfin_snd_data[] = {
604 	{
605 		.pin_req = &bfin_snd_pin[0][0],
606 	},
607 	{
608 		.pin_req = &bfin_snd_pin[1][0],
609 	},
610 };
611 
612 #define BFIN_SND_RES(x) \
613 	[x] = { \
614 		{ \
615 			.start = SPORT##x##_TCR1, \
616 			.end = SPORT##x##_TCR1, \
617 			.flags = IORESOURCE_MEM \
618 		}, \
619 		{ \
620 			.start = CH_SPORT##x##_RX, \
621 			.end = CH_SPORT##x##_RX, \
622 			.flags = IORESOURCE_DMA, \
623 		}, \
624 		{ \
625 			.start = CH_SPORT##x##_TX, \
626 			.end = CH_SPORT##x##_TX, \
627 			.flags = IORESOURCE_DMA, \
628 		}, \
629 		{ \
630 			.start = IRQ_SPORT##x##_ERROR, \
631 			.end = IRQ_SPORT##x##_ERROR, \
632 			.flags = IORESOURCE_IRQ, \
633 		} \
634 	}
635 
636 static struct resource bfin_snd_resources[][4] = {
637 	BFIN_SND_RES(0),
638 	BFIN_SND_RES(1),
639 };
640 #endif
641 
642 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
643 static struct platform_device bfin_i2s_pcm = {
644 	.name = "bfin-i2s-pcm-audio",
645 	.id = -1,
646 };
647 #endif
648 
649 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
650 static struct platform_device bfin_ac97_pcm = {
651 	.name = "bfin-ac97-pcm-audio",
652 	.id = -1,
653 };
654 #endif
655 
656 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
657 static const char * const ad1836_link[] = {
658 	"bfin-i2s.0",
659 	"spi0.4",
660 };
661 static struct platform_device bfin_ad1836_machine = {
662 	.name = "bfin-snd-ad1836",
663 	.id = -1,
664 	.dev = {
665 		.platform_data = (void *)ad1836_link,
666 	},
667 };
668 #endif
669 
670 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
671 static const unsigned ad73311_gpio[] = {
672 	GPIO_PF4,
673 };
674 
675 static struct platform_device bfin_ad73311_machine = {
676 	.name = "bfin-snd-ad73311",
677 	.id = 1,
678 	.dev = {
679 		.platform_data = (void *)ad73311_gpio,
680 	},
681 };
682 #endif
683 
684 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
685 static struct platform_device bfin_ad73311_codec_device = {
686 	.name = "ad73311",
687 	.id = -1,
688 };
689 #endif
690 
691 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
692 static struct platform_device bfin_ad74111_codec_device = {
693 	.name = "ad74111",
694 	.id = -1,
695 };
696 #endif
697 
698 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
699 static struct platform_device bfin_i2s = {
700 	.name = "bfin-i2s",
701 	.id = CONFIG_SND_BF5XX_SPORT_NUM,
702 	.num_resources =
703 		ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
704 	.resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
705 	.dev = {
706 		.platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
707 	},
708 };
709 #endif
710 
711 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
712 static struct platform_device bfin_ac97 = {
713 	.name = "bfin-ac97",
714 	.id = CONFIG_SND_BF5XX_SPORT_NUM,
715 	.num_resources =
716 		ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]),
717 	.resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM],
718 	.dev = {
719 		.platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM],
720 	},
721 };
722 #endif
723 
724 static struct platform_device *stamp_devices[] __initdata = {
725 
726 	&bfin_dpmc,
727 
728 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
729 	&rtc_device,
730 #endif
731 
732 #if IS_ENABLED(CONFIG_SMC91X)
733 	&smc91x_device,
734 #endif
735 
736 #if IS_ENABLED(CONFIG_USB_NET2272)
737 	&net2272_bfin_device,
738 #endif
739 
740 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
741 	&bfin_spi0_device,
742 #endif
743 
744 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
745 #ifdef CONFIG_SERIAL_BFIN_UART0
746 	&bfin_uart0_device,
747 #endif
748 #endif
749 
750 #if IS_ENABLED(CONFIG_BFIN_SIR)
751 #ifdef CONFIG_BFIN_SIR0
752 	&bfin_sir0_device,
753 #endif
754 #endif
755 
756 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
757 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
758 	&bfin_sport0_uart_device,
759 #endif
760 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
761 	&bfin_sport1_uart_device,
762 #endif
763 #endif
764 
765 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
766 	&bfin_device_gpiokeys,
767 #endif
768 
769 #if IS_ENABLED(CONFIG_I2C_GPIO)
770 	&i2c_gpio_device,
771 #endif
772 
773 #if IS_ENABLED(CONFIG_MTD_BFIN_ASYNC)
774 	&stamp_flash_device,
775 #endif
776 
777 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
778 	&bfin_i2s_pcm,
779 #endif
780 
781 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
782 	&bfin_ac97_pcm,
783 #endif
784 
785 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
786 	&bfin_ad1836_machine,
787 #endif
788 
789 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD73311)
790 	&bfin_ad73311_machine,
791 #endif
792 
793 #if IS_ENABLED(CONFIG_SND_SOC_AD73311)
794 	&bfin_ad73311_codec_device,
795 #endif
796 
797 #if IS_ENABLED(CONFIG_SND_SOC_AD74111)
798 	&bfin_ad74111_codec_device,
799 #endif
800 
801 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_I2S)
802 	&bfin_i2s,
803 #endif
804 
805 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AC97)
806 	&bfin_ac97,
807 #endif
808 };
809 
net2272_init(void)810 static int __init net2272_init(void)
811 {
812 #if IS_ENABLED(CONFIG_USB_NET2272)
813 	int ret;
814 
815 	/* Set PF0 to 0, PF1 to 1 make /AMS3 work properly */
816 	ret = gpio_request(GPIO_PF0, "net2272");
817 	if (ret)
818 		return ret;
819 
820 	ret = gpio_request(GPIO_PF1, "net2272");
821 	if (ret) {
822 		gpio_free(GPIO_PF0);
823 		return ret;
824 	}
825 
826 	ret = gpio_request(GPIO_PF11, "net2272");
827 	if (ret) {
828 		gpio_free(GPIO_PF0);
829 		gpio_free(GPIO_PF1);
830 		return ret;
831 	}
832 
833 	gpio_direction_output(GPIO_PF0, 0);
834 	gpio_direction_output(GPIO_PF1, 1);
835 
836 	/* Reset the USB chip */
837 	gpio_direction_output(GPIO_PF11, 0);
838 	mdelay(2);
839 	gpio_set_value(GPIO_PF11, 1);
840 #endif
841 
842 	return 0;
843 }
844 
stamp_init(void)845 static int __init stamp_init(void)
846 {
847 	int ret;
848 
849 	printk(KERN_INFO "%s(): registering device resources\n", __func__);
850 
851 	i2c_register_board_info(0, bfin_i2c_board_info,
852 				ARRAY_SIZE(bfin_i2c_board_info));
853 
854 	ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
855 	if (ret < 0)
856 		return ret;
857 
858 #if IS_ENABLED(CONFIG_SMC91X)
859 	/*
860 	 * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC.
861 	 * the bfin-async-map driver takes care of flipping between
862 	 * flash and ethernet when necessary.
863 	 */
864 	ret = gpio_request(GPIO_PF0, "enet_cpld");
865 	if (!ret) {
866 		gpio_direction_output(GPIO_PF0, 1);
867 		gpio_free(GPIO_PF0);
868 	}
869 #endif
870 
871 	if (net2272_init())
872 		pr_warning("unable to configure net2272; it probably won't work\n");
873 
874 	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
875 	return 0;
876 }
877 
878 arch_initcall(stamp_init);
879 
880 static struct platform_device *stamp_early_devices[] __initdata = {
881 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
882 #ifdef CONFIG_SERIAL_BFIN_UART0
883 	&bfin_uart0_device,
884 #endif
885 #endif
886 
887 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
888 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
889 	&bfin_sport0_uart_device,
890 #endif
891 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
892 	&bfin_sport1_uart_device,
893 #endif
894 #endif
895 };
896 
native_machine_early_platform_add_devices(void)897 void __init native_machine_early_platform_add_devices(void)
898 {
899 	printk(KERN_INFO "register early platform devices\n");
900 	early_platform_add_devices(stamp_early_devices,
901 		ARRAY_SIZE(stamp_early_devices));
902 }
903 
native_machine_restart(char * cmd)904 void native_machine_restart(char *cmd)
905 {
906 	/* workaround pull up on cpld / flash pin not being strong enough */
907 	gpio_request(GPIO_PF0, "flash_cpld");
908 	gpio_direction_output(GPIO_PF0, 0);
909 }
910