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1 /* File:	arch/blackfin/mach-bf527/boards/tll6527m.c
2  * Based on:	arch/blackfin/mach-bf527/boards/ezkit.c
3  * Author:	Ashish Gupta
4  *
5  * Copyright: 2010 - The Learning Labs Inc.
6  *
7  * Licensed under the GPL-2 or later.
8  */
9 
10 #include <linux/device.h>
11 #include <linux/export.h>
12 #include <linux/platform_device.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/mtd/physmap.h>
16 #include <linux/spi/spi.h>
17 #include <linux/spi/flash.h>
18 #include <linux/i2c.h>
19 #include <linux/irq.h>
20 #include <linux/interrupt.h>
21 #include <linux/usb/musb.h>
22 #include <linux/leds.h>
23 #include <linux/input.h>
24 #include <asm/dma.h>
25 #include <asm/bfin5xx_spi.h>
26 #include <asm/reboot.h>
27 #include <asm/nand.h>
28 #include <asm/portmux.h>
29 #include <asm/dpmc.h>
30 
31 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
32 #include <linux/spi/ad7879.h>
33 #define LCD_BACKLIGHT_GPIO 0x40
34 /* TLL6527M uses TLL7UIQ35 / ADI LCD EZ Extender. AD7879 AUX GPIO is used for
35  * LCD Backlight Enable
36  */
37 #endif
38 
39 /*
40  * Name the Board for the /proc/cpuinfo
41  */
42 const char bfin_board_name[] = "TLL6527M";
43 /*
44  *  Driver needs to know address, irq and flag pin.
45  */
46 
47 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
48 static struct resource musb_resources[] = {
49 	[0] = {
50 		.start	= 0xffc03800,
51 		.end	= 0xffc03cff,
52 		.flags	= IORESOURCE_MEM,
53 	},
54 	[1] = {	/* general IRQ */
55 		.start	= IRQ_USB_INT0,
56 		.end	= IRQ_USB_INT0,
57 		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
58 	},
59 	[2] = {	/* DMA IRQ */
60 		.start	= IRQ_USB_DMA,
61 		.end	= IRQ_USB_DMA,
62 		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
63 	},
64 };
65 
66 static struct musb_hdrc_config musb_config = {
67 	.multipoint	= 0,
68 	.dyn_fifo	= 0,
69 	.soft_con	= 1,
70 	.dma		= 1,
71 	.num_eps	= 8,
72 	.dma_channels	= 8,
73 	/*.gpio_vrsel	= GPIO_PG13,*/
74 	/* Some custom boards need to be active low, just set it to "0"
75 	 * if it is the case.
76 	 */
77 	.gpio_vrsel_active	= 1,
78 };
79 
80 static struct musb_hdrc_platform_data musb_plat = {
81 #if defined(CONFIG_USB_MUSB_OTG)
82 	.mode		= MUSB_OTG,
83 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
84 	.mode		= MUSB_HOST,
85 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
86 	.mode		= MUSB_PERIPHERAL,
87 #endif
88 	.config		= &musb_config,
89 };
90 
91 static u64 musb_dmamask = ~(u32)0;
92 
93 static struct platform_device musb_device = {
94 	.name		= "musb-blackfin",
95 	.id		= 0,
96 	.dev = {
97 		.dma_mask		= &musb_dmamask,
98 		.coherent_dma_mask	= 0xffffffff,
99 		.platform_data		= &musb_plat,
100 	},
101 	.num_resources	= ARRAY_SIZE(musb_resources),
102 	.resource	= musb_resources,
103 };
104 #endif
105 
106 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
107 #include <asm/bfin-lq035q1.h>
108 
109 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
110 	.mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
111 	.ppi_mode = USE_RGB565_16_BIT_PPI,
112 	.use_bl = 1,
113 	.gpio_bl = LCD_BACKLIGHT_GPIO,
114 };
115 
116 static struct resource bfin_lq035q1_resources[] = {
117 	{
118 		.start = IRQ_PPI_ERROR,
119 		.end = IRQ_PPI_ERROR,
120 		.flags = IORESOURCE_IRQ,
121 	},
122 };
123 
124 static struct platform_device bfin_lq035q1_device = {
125 	.name		= "bfin-lq035q1",
126 	.id		= -1,
127 	.num_resources	= ARRAY_SIZE(bfin_lq035q1_resources),
128 	.resource	= bfin_lq035q1_resources,
129 	.dev		= {
130 		.platform_data = &bfin_lq035q1_data,
131 	},
132 };
133 #endif
134 
135 #if IS_ENABLED(CONFIG_MTD_GPIO_ADDR)
136 static struct mtd_partition tll6527m_partitions[] = {
137 	{
138 		.name       = "bootloader(nor)",
139 		.size       = 0xA0000,
140 		.offset     = 0,
141 	}, {
142 		.name       = "linux kernel(nor)",
143 		.size       = 0xD00000,
144 		.offset     = MTDPART_OFS_APPEND,
145 	}, {
146 		.name       = "file system(nor)",
147 		.size       = MTDPART_SIZ_FULL,
148 		.offset     = MTDPART_OFS_APPEND,
149 	}
150 };
151 
152 static struct physmap_flash_data tll6527m_flash_data = {
153 	.width      = 2,
154 	.parts      = tll6527m_partitions,
155 	.nr_parts   = ARRAY_SIZE(tll6527m_partitions),
156 };
157 
158 static unsigned tll6527m_flash_gpios[] = { GPIO_PG11, GPIO_PH11, GPIO_PH12 };
159 
160 static struct resource tll6527m_flash_resource[] = {
161 	{
162 		.name  = "cfi_probe",
163 		.start = 0x20000000,
164 		.end   = 0x201fffff,
165 		.flags = IORESOURCE_MEM,
166 	}, {
167 		.start = (unsigned long)tll6527m_flash_gpios,
168 		.end   = ARRAY_SIZE(tll6527m_flash_gpios),
169 		.flags = IORESOURCE_IRQ,
170 	}
171 };
172 
173 static struct platform_device tll6527m_flash_device = {
174 	.name          = "gpio-addr-flash",
175 	.id            = 0,
176 	.dev = {
177 		.platform_data = &tll6527m_flash_data,
178 	},
179 	.num_resources = ARRAY_SIZE(tll6527m_flash_resource),
180 	.resource      = tll6527m_flash_resource,
181 };
182 #endif
183 
184 #if IS_ENABLED(CONFIG_GPIO_DECODER)
185 /* An SN74LVC138A 3:8 decoder chip has been used to generate 7 augmented
186  * outputs used as SPI CS lines for all SPI SLAVE devices on TLL6527v1-0.
187  * EXP_GPIO_SPISEL_BASE is the base number for the expanded outputs being
188  * used as SPI CS lines, this should be > MAX_BLACKFIN_GPIOS
189  */
190 #include <linux/gpio-decoder.h>
191 #define EXP_GPIO_SPISEL_BASE 0x64
192 static unsigned gpio_addr_inputs[] = {
193 	GPIO_PG1, GPIO_PH9, GPIO_PH10
194 };
195 
196 static struct gpio_decoder_platform_data spi_decoded_cs = {
197 	.base		= EXP_GPIO_SPISEL_BASE,
198 	.input_addrs	= gpio_addr_inputs,
199 	.nr_input_addrs = ARRAY_SIZE(gpio_addr_inputs),
200 	.default_output	= 0,
201 /*	.default_output = (1 << ARRAY_SIZE(gpio_addr_inputs)) - 1 */
202 };
203 
204 static struct platform_device spi_decoded_gpio = {
205 	.name	= "gpio-decoder",
206 	.id	= 0,
207 	.dev	= {
208 		.platform_data = &spi_decoded_cs,
209 	},
210 };
211 
212 #else
213 #define EXP_GPIO_SPISEL_BASE 0x0
214 
215 #endif
216 
217 #if IS_ENABLED(CONFIG_INPUT_ADXL34X)
218 #include <linux/input/adxl34x.h>
219 static const struct adxl34x_platform_data adxl345_info = {
220 	.x_axis_offset = 0,
221 	.y_axis_offset = 0,
222 	.z_axis_offset = 0,
223 	.tap_threshold = 0x31,
224 	.tap_duration = 0x10,
225 	.tap_latency = 0x60,
226 	.tap_window = 0xF0,
227 	.tap_axis_control = ADXL_TAP_X_EN | ADXL_TAP_Y_EN | ADXL_TAP_Z_EN,
228 	.act_axis_control = 0xFF,
229 	.activity_threshold = 5,
230 	.inactivity_threshold = 2,
231 	.inactivity_time = 2,
232 	.free_fall_threshold = 0x7,
233 	.free_fall_time = 0x20,
234 	.data_rate = 0x8,
235 	.data_range = ADXL_FULL_RES,
236 
237 	.ev_type = EV_ABS,
238 	.ev_code_x = ABS_X,		/* EV_REL */
239 	.ev_code_y = ABS_Y,		/* EV_REL */
240 	.ev_code_z = ABS_Z,		/* EV_REL */
241 
242 	.ev_code_tap = {BTN_TOUCH, BTN_TOUCH, BTN_TOUCH}, /* EV_KEY x,y,z */
243 
244 /*	.ev_code_ff = KEY_F,*/		/* EV_KEY */
245 	.ev_code_act_inactivity = KEY_A,	/* EV_KEY */
246 	.use_int2 = 1,
247 	.power_mode = ADXL_AUTO_SLEEP | ADXL_LINK,
248 	.fifo_mode = ADXL_FIFO_STREAM,
249 };
250 #endif
251 
252 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
253 static struct platform_device rtc_device = {
254 	.name = "rtc-bfin",
255 	.id   = -1,
256 };
257 #endif
258 
259 #if IS_ENABLED(CONFIG_BFIN_MAC)
260 #include <linux/bfin_mac.h>
261 static const unsigned short bfin_mac_peripherals[] = P_RMII0;
262 
263 static struct bfin_phydev_platform_data bfin_phydev_data[] = {
264 	{
265 		.addr = 1,
266 		.irq = IRQ_MAC_PHYINT,
267 	},
268 };
269 
270 static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
271 	.phydev_number = 1,
272 	.phydev_data = bfin_phydev_data,
273 	.phy_mode = PHY_INTERFACE_MODE_RMII,
274 	.mac_peripherals = bfin_mac_peripherals,
275 };
276 
277 static struct platform_device bfin_mii_bus = {
278 	.name = "bfin_mii_bus",
279 	.dev = {
280 		.platform_data = &bfin_mii_bus_data,
281 	}
282 };
283 
284 static struct platform_device bfin_mac_device = {
285 	.name = "bfin_mac",
286 	.dev = {
287 		.platform_data = &bfin_mii_bus,
288 	}
289 };
290 #endif
291 
292 #if IS_ENABLED(CONFIG_MTD_M25P80)
293 static struct mtd_partition bfin_spi_flash_partitions[] = {
294 	{
295 		.name = "bootloader(spi)",
296 		.size = 0x00040000,
297 		.offset = 0,
298 		.mask_flags = MTD_CAP_ROM
299 	}, {
300 		.name = "linux kernel(spi)",
301 		.size = MTDPART_SIZ_FULL,
302 		.offset = MTDPART_OFS_APPEND,
303 	}
304 };
305 
306 static struct flash_platform_data bfin_spi_flash_data = {
307 	.name = "m25p80",
308 	.parts = bfin_spi_flash_partitions,
309 	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
310 	.type = "m25p16",
311 };
312 
313 /* SPI flash chip (m25p64) */
314 static struct bfin5xx_spi_chip spi_flash_chip_info = {
315 	.enable_dma = 0,         /* use dma transfer with this chip*/
316 };
317 #endif
318 
319 #if IS_ENABLED(CONFIG_MMC_SPI)
320 static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
321 	.enable_dma = 0,
322 };
323 #endif
324 
325 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
326 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
327 	.model			= 7879,	/* Model = AD7879 */
328 	.x_plate_ohms		= 620,	/* 620 Ohm from the touch datasheet */
329 	.pressure_max		= 10000,
330 	.pressure_min		= 0,
331 	.first_conversion_delay = 3,
332 				/* wait 512us before do a first conversion */
333 	.acquisition_time	= 1,	/* 4us acquisition time per sample */
334 	.median			= 2,	/* do 8 measurements */
335 	.averaging		= 1,
336 				/* take the average of 4 middle samples */
337 	.pen_down_acc_interval	= 255,	/* 9.4 ms */
338 	.gpio_export		= 1,	/* configure AUX as GPIO output*/
339 	.gpio_base		= LCD_BACKLIGHT_GPIO,
340 };
341 #endif
342 
343 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
344 static struct platform_device bfin_i2s = {
345 	.name = "bfin-i2s",
346 	.id = CONFIG_SND_BF5XX_SPORT_NUM,
347 	/* TODO: add platform data here */
348 };
349 #endif
350 
351 #if IS_ENABLED(CONFIG_GPIO_MCP23S08)
352 #include <linux/spi/mcp23s08.h>
353 static const struct mcp23s08_platform_data bfin_mcp23s08_sys_gpio_info = {
354 	.chip[0].is_present = true,
355 	.base = 0x30,
356 };
357 static const struct mcp23s08_platform_data bfin_mcp23s08_usr_gpio_info = {
358 	.chip[2].is_present = true,
359 	.base = 0x38,
360 };
361 #endif
362 
363 static struct spi_board_info bfin_spi_board_info[] __initdata = {
364 #if IS_ENABLED(CONFIG_MTD_M25P80)
365 	{
366 		/* the modalias must be the same as spi device driver name */
367 		.modalias = "m25p80", /* Name of spi_driver for this device */
368 		.max_speed_hz = 25000000,
369 				/* max spi clock (SCK) speed in HZ */
370 		.bus_num = 0, /* Framework bus number */
371 		.chip_select = EXP_GPIO_SPISEL_BASE + 0x04 + MAX_CTRL_CS,
372 		/* Can be connected to TLL6527M GPIO connector */
373 		/* Either SPI_ADC or M25P80 FLASH can be installed at a time */
374 		.platform_data = &bfin_spi_flash_data,
375 		.controller_data = &spi_flash_chip_info,
376 		.mode = SPI_MODE_3,
377 	},
378 #endif
379 
380 #if IS_ENABLED(CONFIG_MMC_SPI)
381 	{
382 		.modalias = "mmc_spi",
383 /*
384  * TLL6527M V1.0 does not support SD Card at SPI Clock > 10 MHz due to
385  * SPI buffer limitations
386  */
387 		.max_speed_hz = 10000000,
388 					/* max spi clock (SCK) speed in HZ */
389 		.bus_num = 0,
390 		.chip_select = EXP_GPIO_SPISEL_BASE + 0x05 + MAX_CTRL_CS,
391 		.controller_data = &mmc_spi_chip_info,
392 		.mode = SPI_MODE_0,
393 	},
394 #endif
395 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879_SPI)
396 	{
397 		.modalias = "ad7879",
398 		.platform_data = &bfin_ad7879_ts_info,
399 		.irq = IRQ_PH14,
400 		.max_speed_hz = 5000000,
401 					/* max spi clock (SCK) speed in HZ */
402 		.bus_num = 0,
403 		.chip_select = EXP_GPIO_SPISEL_BASE + 0x07 + MAX_CTRL_CS,
404 		.mode = SPI_CPHA | SPI_CPOL,
405 	},
406 #endif
407 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
408 	{
409 		.modalias = "spidev",
410 		.max_speed_hz = 10000000,
411 		/* TLL6527Mv1-0 supports max spi clock (SCK) speed = 10 MHz */
412 		.bus_num = 0,
413 		.chip_select = EXP_GPIO_SPISEL_BASE + 0x03 + MAX_CTRL_CS,
414 		.mode = SPI_CPHA | SPI_CPOL,
415 	},
416 #endif
417 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
418 	{
419 		.modalias = "bfin-lq035q1-spi",
420 		.max_speed_hz = 20000000,
421 		.bus_num = 0,
422 		.chip_select = EXP_GPIO_SPISEL_BASE + 0x06 + MAX_CTRL_CS,
423 		.mode = SPI_CPHA | SPI_CPOL,
424 	},
425 #endif
426 #if IS_ENABLED(CONFIG_GPIO_MCP23S08)
427 	{
428 		.modalias = "mcp23s08",
429 		.platform_data = &bfin_mcp23s08_sys_gpio_info,
430 		.max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
431 		.bus_num = 0,
432 		.chip_select = EXP_GPIO_SPISEL_BASE + 0x01 + MAX_CTRL_CS,
433 		.mode = SPI_CPHA | SPI_CPOL,
434 	},
435 	{
436 		.modalias = "mcp23s08",
437 		.platform_data = &bfin_mcp23s08_usr_gpio_info,
438 		.max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
439 		.bus_num = 0,
440 		.chip_select = EXP_GPIO_SPISEL_BASE + 0x02 + MAX_CTRL_CS,
441 		.mode = SPI_CPHA | SPI_CPOL,
442 	},
443 #endif
444 };
445 
446 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
447 /* SPI controller data */
448 static struct bfin5xx_spi_master bfin_spi0_info = {
449 	.num_chipselect = EXP_GPIO_SPISEL_BASE + 8 + MAX_CTRL_CS,
450 	/* EXP_GPIO_SPISEL_BASE will be > MAX_BLACKFIN_GPIOS */
451 	.enable_dma = 1,  /* master has the ability to do dma transfer */
452 	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
453 };
454 
455 /* SPI (0) */
456 static struct resource bfin_spi0_resource[] = {
457 	[0] = {
458 		.start = SPI0_REGBASE,
459 		.end   = SPI0_REGBASE + 0xFF,
460 		.flags = IORESOURCE_MEM,
461 		},
462 	[1] = {
463 		.start = CH_SPI,
464 		.end   = CH_SPI,
465 		.flags = IORESOURCE_DMA,
466 	},
467 	[2] = {
468 		.start = IRQ_SPI,
469 		.end   = IRQ_SPI,
470 		.flags = IORESOURCE_IRQ,
471 	},
472 };
473 
474 static struct platform_device bfin_spi0_device = {
475 	.name = "bfin-spi",
476 	.id = 0, /* Bus number */
477 	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
478 	.resource = bfin_spi0_resource,
479 	.dev = {
480 		.platform_data = &bfin_spi0_info, /* Passed to driver */
481 	},
482 };
483 #endif  /* spi master and devices */
484 
485 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
486 #ifdef CONFIG_SERIAL_BFIN_UART0
487 static struct resource bfin_uart0_resources[] = {
488 	{
489 		.start = UART0_THR,
490 		.end = UART0_GCTL+2,
491 		.flags = IORESOURCE_MEM,
492 	},
493 	{
494 		.start = IRQ_UART0_TX,
495 		.end = IRQ_UART0_TX,
496 		.flags = IORESOURCE_IRQ,
497 	},
498 	{
499 		.start = IRQ_UART0_RX,
500 		.end = IRQ_UART0_RX,
501 		.flags = IORESOURCE_IRQ,
502 	},
503 	{
504 		.start = IRQ_UART0_ERROR,
505 		.end = IRQ_UART0_ERROR,
506 		.flags = IORESOURCE_IRQ,
507 	},
508 	{
509 		.start = CH_UART0_TX,
510 		.end = CH_UART0_TX,
511 		.flags = IORESOURCE_DMA,
512 	},
513 	{
514 		.start = CH_UART0_RX,
515 		.end = CH_UART0_RX,
516 		.flags = IORESOURCE_DMA,
517 	},
518 };
519 
520 static unsigned short bfin_uart0_peripherals[] = {
521 	P_UART0_TX, P_UART0_RX, 0
522 };
523 
524 static struct platform_device bfin_uart0_device = {
525 	.name = "bfin-uart",
526 	.id = 0,
527 	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
528 	.resource = bfin_uart0_resources,
529 	.dev = {
530 		.platform_data = &bfin_uart0_peripherals,
531 					/* Passed to driver */
532 	},
533 };
534 #endif
535 #ifdef CONFIG_SERIAL_BFIN_UART1
536 static struct resource bfin_uart1_resources[] = {
537 	{
538 		.start = UART1_THR,
539 		.end = UART1_GCTL+2,
540 		.flags = IORESOURCE_MEM,
541 	},
542 	{
543 		.start = IRQ_UART1_TX,
544 		.end = IRQ_UART1_TX,
545 		.flags = IORESOURCE_IRQ,
546 	},
547 	{
548 		.start = IRQ_UART1_RX,
549 		.end = IRQ_UART1_RX,
550 		.flags = IORESOURCE_IRQ,
551 	},
552 	{
553 		.start = IRQ_UART1_ERROR,
554 		.end = IRQ_UART1_ERROR,
555 		.flags = IORESOURCE_IRQ,
556 	},
557 	{
558 		.start = CH_UART1_TX,
559 		.end = CH_UART1_TX,
560 		.flags = IORESOURCE_DMA,
561 	},
562 	{
563 		.start = CH_UART1_RX,
564 		.end = CH_UART1_RX,
565 		.flags = IORESOURCE_DMA,
566 	},
567 #ifdef CONFIG_BFIN_UART1_CTSRTS
568 	{	/* CTS pin */
569 		.start = GPIO_PF9,
570 		.end = GPIO_PF9,
571 		.flags = IORESOURCE_IO,
572 	},
573 	{	/* RTS pin */
574 		.start = GPIO_PF10,
575 		.end = GPIO_PF10,
576 		.flags = IORESOURCE_IO,
577 	},
578 #endif
579 };
580 
581 static unsigned short bfin_uart1_peripherals[] = {
582 	P_UART1_TX, P_UART1_RX, 0
583 };
584 
585 static struct platform_device bfin_uart1_device = {
586 	.name = "bfin-uart",
587 	.id = 1,
588 	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
589 	.resource = bfin_uart1_resources,
590 	.dev = {
591 		.platform_data = &bfin_uart1_peripherals,
592 						/* Passed to driver */
593 	},
594 };
595 #endif
596 #endif
597 
598 #if IS_ENABLED(CONFIG_BFIN_SIR)
599 #ifdef CONFIG_BFIN_SIR0
600 static struct resource bfin_sir0_resources[] = {
601 	{
602 		.start = 0xFFC00400,
603 		.end = 0xFFC004FF,
604 		.flags = IORESOURCE_MEM,
605 	},
606 	{
607 		.start = IRQ_UART0_RX,
608 		.end = IRQ_UART0_RX+1,
609 		.flags = IORESOURCE_IRQ,
610 	},
611 	{
612 		.start = CH_UART0_RX,
613 		.end = CH_UART0_RX+1,
614 		.flags = IORESOURCE_DMA,
615 	},
616 };
617 
618 static struct platform_device bfin_sir0_device = {
619 	.name = "bfin_sir",
620 	.id = 0,
621 	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
622 	.resource = bfin_sir0_resources,
623 };
624 #endif
625 #ifdef CONFIG_BFIN_SIR1
626 static struct resource bfin_sir1_resources[] = {
627 	{
628 		.start = 0xFFC02000,
629 		.end = 0xFFC020FF,
630 		.flags = IORESOURCE_MEM,
631 	},
632 	{
633 		.start = IRQ_UART1_RX,
634 		.end = IRQ_UART1_RX+1,
635 		.flags = IORESOURCE_IRQ,
636 	},
637 	{
638 		.start = CH_UART1_RX,
639 		.end = CH_UART1_RX+1,
640 		.flags = IORESOURCE_DMA,
641 	},
642 };
643 
644 static struct platform_device bfin_sir1_device = {
645 	.name = "bfin_sir",
646 	.id = 1,
647 	.num_resources = ARRAY_SIZE(bfin_sir1_resources),
648 	.resource = bfin_sir1_resources,
649 };
650 #endif
651 #endif
652 
653 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
654 static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
655 
656 static struct resource bfin_twi0_resource[] = {
657 	[0] = {
658 		.start = TWI0_REGBASE,
659 		.end   = TWI0_REGBASE,
660 		.flags = IORESOURCE_MEM,
661 	},
662 	[1] = {
663 		.start = IRQ_TWI,
664 		.end   = IRQ_TWI,
665 		.flags = IORESOURCE_IRQ,
666 	},
667 };
668 
669 static struct platform_device i2c_bfin_twi_device = {
670 	.name = "i2c-bfin-twi",
671 	.id = 0,
672 	.num_resources = ARRAY_SIZE(bfin_twi0_resource),
673 	.resource = bfin_twi0_resource,
674 	.dev = {
675 		.platform_data = &bfin_twi0_pins,
676 	},
677 };
678 #endif
679 
680 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
681 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
682 	{
683 		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
684 	},
685 #endif
686 
687 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
688 	{
689 		I2C_BOARD_INFO("bfin-adv7393", 0x2B),
690 	},
691 #endif
692 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879_I2C)
693 	{
694 		I2C_BOARD_INFO("ad7879", 0x2C),
695 		.irq = IRQ_PH14,
696 		.platform_data = (void *)&bfin_ad7879_ts_info,
697 	},
698 #endif
699 #if IS_ENABLED(CONFIG_SND_SOC_SSM2602)
700 	{
701 		I2C_BOARD_INFO("ssm2602", 0x1b),
702 	},
703 #endif
704 	{
705 		I2C_BOARD_INFO("adm1192", 0x2e),
706 	},
707 
708 	{
709 		I2C_BOARD_INFO("ltc3576", 0x09),
710 	},
711 #if IS_ENABLED(CONFIG_INPUT_ADXL34X_I2C)
712 	{
713 		I2C_BOARD_INFO("adxl34x", 0x53),
714 		.irq = IRQ_PH13,
715 		.platform_data = (void *)&adxl345_info,
716 	},
717 #endif
718 };
719 
720 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
721 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
722 static struct resource bfin_sport0_uart_resources[] = {
723 	{
724 		.start = SPORT0_TCR1,
725 		.end = SPORT0_MRCS3+4,
726 		.flags = IORESOURCE_MEM,
727 	},
728 	{
729 		.start = IRQ_SPORT0_RX,
730 		.end = IRQ_SPORT0_RX+1,
731 		.flags = IORESOURCE_IRQ,
732 	},
733 	{
734 		.start = IRQ_SPORT0_ERROR,
735 		.end = IRQ_SPORT0_ERROR,
736 		.flags = IORESOURCE_IRQ,
737 	},
738 };
739 
740 static unsigned short bfin_sport0_peripherals[] = {
741 	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
742 	P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
743 };
744 
745 static struct platform_device bfin_sport0_uart_device = {
746 	.name = "bfin-sport-uart",
747 	.id = 0,
748 	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
749 	.resource = bfin_sport0_uart_resources,
750 	.dev = {
751 		.platform_data = &bfin_sport0_peripherals,
752 		/* Passed to driver */
753 	},
754 };
755 #endif
756 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
757 static struct resource bfin_sport1_uart_resources[] = {
758 	{
759 		.start = SPORT1_TCR1,
760 		.end = SPORT1_MRCS3+4,
761 		.flags = IORESOURCE_MEM,
762 	},
763 	{
764 		.start = IRQ_SPORT1_RX,
765 		.end = IRQ_SPORT1_RX+1,
766 		.flags = IORESOURCE_IRQ,
767 	},
768 	{
769 		.start = IRQ_SPORT1_ERROR,
770 		.end = IRQ_SPORT1_ERROR,
771 		.flags = IORESOURCE_IRQ,
772 	},
773 };
774 
775 static unsigned short bfin_sport1_peripherals[] = {
776 	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
777 	P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
778 };
779 
780 static struct platform_device bfin_sport1_uart_device = {
781 	.name = "bfin-sport-uart",
782 	.id = 1,
783 	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
784 	.resource = bfin_sport1_uart_resources,
785 	.dev = {
786 		.platform_data = &bfin_sport1_peripherals,
787 		/* Passed to driver */
788 	},
789 };
790 #endif
791 #endif
792 
793 static const unsigned int cclk_vlev_datasheet[] = {
794 	VRPAIR(VLEV_100, 400000000),
795 	VRPAIR(VLEV_105, 426000000),
796 	VRPAIR(VLEV_110, 500000000),
797 	VRPAIR(VLEV_115, 533000000),
798 	VRPAIR(VLEV_120, 600000000),
799 };
800 
801 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
802 	.tuple_tab = cclk_vlev_datasheet,
803 	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
804 	.vr_settling_time = 25 /* us */,
805 };
806 
807 static struct platform_device bfin_dpmc = {
808 	.name = "bfin dpmc",
809 	.dev = {
810 		.platform_data = &bfin_dmpc_vreg_data,
811 	},
812 };
813 
814 static struct platform_device *tll6527m_devices[] __initdata = {
815 
816 	&bfin_dpmc,
817 
818 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
819 	&rtc_device,
820 #endif
821 
822 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
823 	&musb_device,
824 #endif
825 
826 #if IS_ENABLED(CONFIG_BFIN_MAC)
827 	&bfin_mii_bus,
828 	&bfin_mac_device,
829 #endif
830 
831 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
832 	&bfin_spi0_device,
833 #endif
834 
835 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
836 	&bfin_lq035q1_device,
837 #endif
838 
839 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
840 #ifdef CONFIG_SERIAL_BFIN_UART0
841 	&bfin_uart0_device,
842 #endif
843 #ifdef CONFIG_SERIAL_BFIN_UART1
844 	&bfin_uart1_device,
845 #endif
846 #endif
847 
848 #if IS_ENABLED(CONFIG_BFIN_SIR)
849 #ifdef CONFIG_BFIN_SIR0
850 	&bfin_sir0_device,
851 #endif
852 #ifdef CONFIG_BFIN_SIR1
853 	&bfin_sir1_device,
854 #endif
855 #endif
856 
857 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
858 	&i2c_bfin_twi_device,
859 #endif
860 
861 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
862 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
863 	&bfin_sport0_uart_device,
864 #endif
865 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
866 	&bfin_sport1_uart_device,
867 #endif
868 #endif
869 
870 #if IS_ENABLED(CONFIG_MTD_GPIO_ADDR)
871 	&tll6527m_flash_device,
872 #endif
873 
874 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
875 	&bfin_i2s,
876 #endif
877 
878 #if IS_ENABLED(CONFIG_GPIO_DECODER)
879 	&spi_decoded_gpio,
880 #endif
881 };
882 
tll6527m_init(void)883 static int __init tll6527m_init(void)
884 {
885 	printk(KERN_INFO "%s(): registering device resources\n", __func__);
886 	i2c_register_board_info(0, bfin_i2c_board_info,
887 				ARRAY_SIZE(bfin_i2c_board_info));
888 	platform_add_devices(tll6527m_devices, ARRAY_SIZE(tll6527m_devices));
889 	spi_register_board_info(bfin_spi_board_info,
890 				ARRAY_SIZE(bfin_spi_board_info));
891 	return 0;
892 }
893 
894 arch_initcall(tll6527m_init);
895 
896 static struct platform_device *tll6527m_early_devices[] __initdata = {
897 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
898 #ifdef CONFIG_SERIAL_BFIN_UART0
899 	&bfin_uart0_device,
900 #endif
901 #ifdef CONFIG_SERIAL_BFIN_UART1
902 	&bfin_uart1_device,
903 #endif
904 #endif
905 
906 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
907 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
908 	&bfin_sport0_uart_device,
909 #endif
910 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
911 	&bfin_sport1_uart_device,
912 #endif
913 #endif
914 };
915 
native_machine_early_platform_add_devices(void)916 void __init native_machine_early_platform_add_devices(void)
917 {
918 	printk(KERN_INFO "register early platform devices\n");
919 	early_platform_add_devices(tll6527m_early_devices,
920 		ARRAY_SIZE(tll6527m_early_devices));
921 }
922 
native_machine_restart(char * cmd)923 void native_machine_restart(char *cmd)
924 {
925 	/* workaround reboot hang when booting from SPI */
926 	if ((bfin_read_SYSCR() & 0x7) == 0x3)
927 		bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
928 }
929 
bfin_get_ether_addr(char * addr)930 int bfin_get_ether_addr(char *addr)
931 {
932 	/* the MAC is stored in OTP memory page 0xDF */
933 	u32 ret;
934 	u64 otp_mac;
935 	u32 (*otp_read)(u32 page, u32 flags,
936 			u64 *page_content) = (void *)0xEF00001A;
937 
938 	ret = otp_read(0xDF, 0x00, &otp_mac);
939 	if (!(ret & 0x1)) {
940 		char *otp_mac_p = (char *)&otp_mac;
941 		for (ret = 0; ret < 6; ++ret)
942 			addr[ret] = otp_mac_p[5 - ret];
943 	}
944 	return 0;
945 }
946 EXPORT_SYMBOL(bfin_get_ether_addr);
947