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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/plat-ram.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
18 #include <linux/usb/isp1362.h>
19 #endif
20 #include <linux/irq.h>
21 #include <linux/i2c.h>
22 #include <asm/dma.h>
23 #include <asm/bfin5xx_spi.h>
24 #include <asm/portmux.h>
25 #include <asm/dpmc.h>
26
27 /*
28 * Name the Board for the /proc/cpuinfo
29 */
30 const char bfin_board_name[] = "ADI BF533-EZKIT";
31
32 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
33 static struct platform_device rtc_device = {
34 .name = "rtc-bfin",
35 .id = -1,
36 };
37 #endif
38
39 /*
40 * USB-LAN EzExtender board
41 * Driver needs to know address, irq and flag pin.
42 */
43 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
44 #include <linux/smc91x.h>
45
46 static struct smc91x_platdata smc91x_info = {
47 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
48 .leda = RPC_LED_100_10,
49 .ledb = RPC_LED_TX_RX,
50 };
51
52 static struct resource smc91x_resources[] = {
53 {
54 .name = "smc91x-regs",
55 .start = 0x20310300,
56 .end = 0x20310300 + 16,
57 .flags = IORESOURCE_MEM,
58 }, {
59 .start = IRQ_PF9,
60 .end = IRQ_PF9,
61 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
62 },
63 };
64 static struct platform_device smc91x_device = {
65 .name = "smc91x",
66 .id = 0,
67 .num_resources = ARRAY_SIZE(smc91x_resources),
68 .resource = smc91x_resources,
69 .dev = {
70 .platform_data = &smc91x_info,
71 },
72 };
73 #endif
74
75 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
76 static struct mtd_partition ezkit_partitions_a[] = {
77 {
78 .name = "bootloader(nor a)",
79 .size = 0x40000,
80 .offset = 0,
81 }, {
82 .name = "linux kernel(nor a)",
83 .size = MTDPART_SIZ_FULL,
84 .offset = MTDPART_OFS_APPEND,
85 },
86 };
87
88 static struct physmap_flash_data ezkit_flash_data_a = {
89 .width = 2,
90 .parts = ezkit_partitions_a,
91 .nr_parts = ARRAY_SIZE(ezkit_partitions_a),
92 };
93
94 static struct resource ezkit_flash_resource_a = {
95 .start = 0x20000000,
96 .end = 0x200fffff,
97 .flags = IORESOURCE_MEM,
98 };
99
100 static struct platform_device ezkit_flash_device_a = {
101 .name = "physmap-flash",
102 .id = 0,
103 .dev = {
104 .platform_data = &ezkit_flash_data_a,
105 },
106 .num_resources = 1,
107 .resource = &ezkit_flash_resource_a,
108 };
109
110 static struct mtd_partition ezkit_partitions_b[] = {
111 {
112 .name = "file system(nor b)",
113 .size = MTDPART_SIZ_FULL,
114 .offset = MTDPART_OFS_APPEND,
115 },
116 };
117
118 static struct physmap_flash_data ezkit_flash_data_b = {
119 .width = 2,
120 .parts = ezkit_partitions_b,
121 .nr_parts = ARRAY_SIZE(ezkit_partitions_b),
122 };
123
124 static struct resource ezkit_flash_resource_b = {
125 .start = 0x20100000,
126 .end = 0x201fffff,
127 .flags = IORESOURCE_MEM,
128 };
129
130 static struct platform_device ezkit_flash_device_b = {
131 .name = "physmap-flash",
132 .id = 4,
133 .dev = {
134 .platform_data = &ezkit_flash_data_b,
135 },
136 .num_resources = 1,
137 .resource = &ezkit_flash_resource_b,
138 };
139 #endif
140
141 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
142 static struct platdata_mtd_ram sram_data_a = {
143 .mapname = "Flash A SRAM",
144 .bankwidth = 2,
145 };
146
147 static struct resource sram_resource_a = {
148 .start = 0x20240000,
149 .end = 0x2024ffff,
150 .flags = IORESOURCE_MEM,
151 };
152
153 static struct platform_device sram_device_a = {
154 .name = "mtd-ram",
155 .id = 8,
156 .dev = {
157 .platform_data = &sram_data_a,
158 },
159 .num_resources = 1,
160 .resource = &sram_resource_a,
161 };
162
163 static struct platdata_mtd_ram sram_data_b = {
164 .mapname = "Flash B SRAM",
165 .bankwidth = 2,
166 };
167
168 static struct resource sram_resource_b = {
169 .start = 0x202c0000,
170 .end = 0x202cffff,
171 .flags = IORESOURCE_MEM,
172 };
173
174 static struct platform_device sram_device_b = {
175 .name = "mtd-ram",
176 .id = 9,
177 .dev = {
178 .platform_data = &sram_data_b,
179 },
180 .num_resources = 1,
181 .resource = &sram_resource_b,
182 };
183 #endif
184
185 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
186 static struct mtd_partition bfin_spi_flash_partitions[] = {
187 {
188 .name = "bootloader(spi)",
189 .size = 0x00020000,
190 .offset = 0,
191 .mask_flags = MTD_CAP_ROM
192 }, {
193 .name = "linux kernel(spi)",
194 .size = 0xe0000,
195 .offset = MTDPART_OFS_APPEND,
196 }, {
197 .name = "file system(spi)",
198 .size = MTDPART_SIZ_FULL,
199 .offset = MTDPART_OFS_APPEND,
200 }
201 };
202
203 static struct flash_platform_data bfin_spi_flash_data = {
204 .name = "m25p80",
205 .parts = bfin_spi_flash_partitions,
206 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
207 .type = "m25p64",
208 };
209
210 /* SPI flash chip (m25p64) */
211 static struct bfin5xx_spi_chip spi_flash_chip_info = {
212 .enable_dma = 0, /* use dma transfer with this chip*/
213 .bits_per_word = 8,
214 };
215 #endif
216
217 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
218 /* SPI ADC chip */
219 static struct bfin5xx_spi_chip spi_adc_chip_info = {
220 .enable_dma = 1, /* use dma transfer with this chip*/
221 .bits_per_word = 16,
222 };
223 #endif
224
225 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
226 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
227 .enable_dma = 0,
228 .bits_per_word = 16,
229 };
230 #endif
231
232 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
233 static struct bfin5xx_spi_chip spidev_chip_info = {
234 .enable_dma = 0,
235 .bits_per_word = 8,
236 };
237 #endif
238
239 static struct spi_board_info bfin_spi_board_info[] __initdata = {
240 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
241 {
242 /* the modalias must be the same as spi device driver name */
243 .modalias = "m25p80", /* Name of spi_driver for this device */
244 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
245 .bus_num = 0, /* Framework bus number */
246 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
247 .platform_data = &bfin_spi_flash_data,
248 .controller_data = &spi_flash_chip_info,
249 .mode = SPI_MODE_3,
250 },
251 #endif
252
253 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
254 {
255 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
256 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
257 .bus_num = 0, /* Framework bus number */
258 .chip_select = 1, /* Framework chip select. */
259 .platform_data = NULL, /* No spi_driver specific config */
260 .controller_data = &spi_adc_chip_info,
261 },
262 #endif
263
264 #if defined(CONFIG_SND_BF5XX_SOC_AD183X) || defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
265 {
266 .modalias = "ad183x",
267 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
268 .bus_num = 0,
269 .chip_select = 4,
270 .controller_data = &ad1836_spi_chip_info,
271 },
272 #endif
273 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
274 {
275 .modalias = "spidev",
276 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
277 .bus_num = 0,
278 .chip_select = 1,
279 .controller_data = &spidev_chip_info,
280 },
281 #endif
282 };
283
284 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
285 /* SPI (0) */
286 static struct resource bfin_spi0_resource[] = {
287 [0] = {
288 .start = SPI0_REGBASE,
289 .end = SPI0_REGBASE + 0xFF,
290 .flags = IORESOURCE_MEM,
291 },
292 [1] = {
293 .start = CH_SPI,
294 .end = CH_SPI,
295 .flags = IORESOURCE_DMA,
296 },
297 [2] = {
298 .start = IRQ_SPI,
299 .end = IRQ_SPI,
300 .flags = IORESOURCE_IRQ,
301 }
302 };
303
304 /* SPI controller data */
305 static struct bfin5xx_spi_master bfin_spi0_info = {
306 .num_chipselect = 8,
307 .enable_dma = 1, /* master has the ability to do dma transfer */
308 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
309 };
310
311 static struct platform_device bfin_spi0_device = {
312 .name = "bfin-spi",
313 .id = 0, /* Bus number */
314 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
315 .resource = bfin_spi0_resource,
316 .dev = {
317 .platform_data = &bfin_spi0_info, /* Passed to driver */
318 },
319 };
320 #endif /* spi master and devices */
321
322 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
323 #ifdef CONFIG_SERIAL_BFIN_UART0
324 static struct resource bfin_uart0_resources[] = {
325 {
326 .start = BFIN_UART_THR,
327 .end = BFIN_UART_GCTL+2,
328 .flags = IORESOURCE_MEM,
329 },
330 {
331 .start = IRQ_UART0_RX,
332 .end = IRQ_UART0_RX + 1,
333 .flags = IORESOURCE_IRQ,
334 },
335 {
336 .start = IRQ_UART0_ERROR,
337 .end = IRQ_UART0_ERROR,
338 .flags = IORESOURCE_IRQ,
339 },
340 {
341 .start = CH_UART0_TX,
342 .end = CH_UART0_TX,
343 .flags = IORESOURCE_DMA,
344 },
345 {
346 .start = CH_UART0_RX,
347 .end = CH_UART0_RX,
348 .flags = IORESOURCE_DMA,
349 },
350 };
351
352 unsigned short bfin_uart0_peripherals[] = {
353 P_UART0_TX, P_UART0_RX, 0
354 };
355
356 static struct platform_device bfin_uart0_device = {
357 .name = "bfin-uart",
358 .id = 0,
359 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
360 .resource = bfin_uart0_resources,
361 .dev = {
362 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
363 },
364 };
365 #endif
366 #endif
367
368 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
369 #ifdef CONFIG_BFIN_SIR0
370 static struct resource bfin_sir0_resources[] = {
371 {
372 .start = 0xFFC00400,
373 .end = 0xFFC004FF,
374 .flags = IORESOURCE_MEM,
375 },
376 {
377 .start = IRQ_UART0_RX,
378 .end = IRQ_UART0_RX+1,
379 .flags = IORESOURCE_IRQ,
380 },
381 {
382 .start = CH_UART0_RX,
383 .end = CH_UART0_RX+1,
384 .flags = IORESOURCE_DMA,
385 },
386 };
387
388 static struct platform_device bfin_sir0_device = {
389 .name = "bfin_sir",
390 .id = 0,
391 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
392 .resource = bfin_sir0_resources,
393 };
394 #endif
395 #endif
396
397 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
398 #include <linux/input.h>
399 #include <linux/gpio_keys.h>
400
401 static struct gpio_keys_button bfin_gpio_keys_table[] = {
402 {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
403 {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
404 {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
405 {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
406 };
407
408 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
409 .buttons = bfin_gpio_keys_table,
410 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
411 };
412
413 static struct platform_device bfin_device_gpiokeys = {
414 .name = "gpio-keys",
415 .dev = {
416 .platform_data = &bfin_gpio_keys_data,
417 },
418 };
419 #endif
420
421 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
422 #include <linux/i2c-gpio.h>
423
424 static struct i2c_gpio_platform_data i2c_gpio_data = {
425 .sda_pin = GPIO_PF1,
426 .scl_pin = GPIO_PF0,
427 .sda_is_open_drain = 0,
428 .scl_is_open_drain = 0,
429 .udelay = 40,
430 };
431
432 static struct platform_device i2c_gpio_device = {
433 .name = "i2c-gpio",
434 .id = 0,
435 .dev = {
436 .platform_data = &i2c_gpio_data,
437 },
438 };
439 #endif
440
441 static const unsigned int cclk_vlev_datasheet[] =
442 {
443 VRPAIR(VLEV_085, 250000000),
444 VRPAIR(VLEV_090, 376000000),
445 VRPAIR(VLEV_095, 426000000),
446 VRPAIR(VLEV_100, 426000000),
447 VRPAIR(VLEV_105, 476000000),
448 VRPAIR(VLEV_110, 476000000),
449 VRPAIR(VLEV_115, 476000000),
450 VRPAIR(VLEV_120, 600000000),
451 VRPAIR(VLEV_125, 600000000),
452 VRPAIR(VLEV_130, 600000000),
453 };
454
455 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
456 .tuple_tab = cclk_vlev_datasheet,
457 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
458 .vr_settling_time = 25 /* us */,
459 };
460
461 static struct platform_device bfin_dpmc = {
462 .name = "bfin dpmc",
463 .dev = {
464 .platform_data = &bfin_dmpc_vreg_data,
465 },
466 };
467
468 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
469 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
470 {
471 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
472 },
473 #endif
474 };
475
476 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
477 static struct platform_device bfin_i2s = {
478 .name = "bfin-i2s",
479 .id = CONFIG_SND_BF5XX_SPORT_NUM,
480 /* TODO: add platform data here */
481 };
482 #endif
483
484 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
485 static struct platform_device bfin_tdm = {
486 .name = "bfin-tdm",
487 .id = CONFIG_SND_BF5XX_SPORT_NUM,
488 /* TODO: add platform data here */
489 };
490 #endif
491
492 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
493 static struct platform_device bfin_ac97 = {
494 .name = "bfin-ac97",
495 .id = CONFIG_SND_BF5XX_SPORT_NUM,
496 /* TODO: add platform data here */
497 };
498 #endif
499
500 static struct platform_device *ezkit_devices[] __initdata = {
501
502 &bfin_dpmc,
503
504 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
505 &ezkit_flash_device_a,
506 &ezkit_flash_device_b,
507 #endif
508
509 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
510 &sram_device_a,
511 &sram_device_b,
512 #endif
513
514 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
515 &smc91x_device,
516 #endif
517
518 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
519 &bfin_spi0_device,
520 #endif
521
522 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
523 &rtc_device,
524 #endif
525
526 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
527 #ifdef CONFIG_SERIAL_BFIN_UART0
528 &bfin_uart0_device,
529 #endif
530 #endif
531
532 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
533 #ifdef CONFIG_BFIN_SIR0
534 &bfin_sir0_device,
535 #endif
536 #endif
537
538 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
539 &bfin_device_gpiokeys,
540 #endif
541
542 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
543 &i2c_gpio_device,
544 #endif
545
546 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
547 &bfin_i2s,
548 #endif
549
550 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
551 &bfin_tdm,
552 #endif
553
554 #if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
555 &bfin_ac97,
556 #endif
557 };
558
559 static int __init ezkit_init(void)
560 {
561 printk(KERN_INFO "%s(): registering device resources\n", __func__);
562 platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
563 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
564 i2c_register_board_info(0, bfin_i2c_board_info,
565 ARRAY_SIZE(bfin_i2c_board_info));
566 return 0;
567 }
568
569 arch_initcall(ezkit_init);
570
571 static struct platform_device *ezkit_early_devices[] __initdata = {
572 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
573 #ifdef CONFIG_SERIAL_BFIN_UART0
574 &bfin_uart0_device,
575 #endif
576 #endif
577 };
578
579 void __init native_machine_early_platform_add_devices(void)
580 {
581 printk(KERN_INFO "register early platform devices\n");
582 early_platform_add_devices(ezkit_early_devices,
583 ARRAY_SIZE(ezkit_early_devices));
584 }