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