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 IS_ENABLED(CONFIG_USB_ISP1362_HCD)
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 IS_ENABLED(CONFIG_RTC_DRV_BFIN)
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 IS_ENABLED(CONFIG_SMC91X)
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 IS_ENABLED(CONFIG_MTD_PHYSMAP)
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 IS_ENABLED(CONFIG_MTD_PLATRAM)
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 IS_ENABLED(CONFIG_MTD_M25P80)
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 };
214 #endif
215
216 static struct spi_board_info bfin_spi_board_info[] __initdata = {
217 #if IS_ENABLED(CONFIG_MTD_M25P80)
218 {
219 /* the modalias must be the same as spi device driver name */
220 .modalias = "m25p80", /* Name of spi_driver for this device */
221 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
222 .bus_num = 0, /* Framework bus number */
223 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
224 .platform_data = &bfin_spi_flash_data,
225 .controller_data = &spi_flash_chip_info,
226 .mode = SPI_MODE_3,
227 },
228 #endif
229
230 #if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
231 {
232 .modalias = "ad183x",
233 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
234 .bus_num = 0,
235 .chip_select = 4,
236 },
237 #endif
238 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
239 {
240 .modalias = "spidev",
241 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
242 .bus_num = 0,
243 .chip_select = 1,
244 },
245 #endif
246 };
247
248 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
249 /* SPI (0) */
250 static struct resource bfin_spi0_resource[] = {
251 [0] = {
252 .start = SPI0_REGBASE,
253 .end = SPI0_REGBASE + 0xFF,
254 .flags = IORESOURCE_MEM,
255 },
256 [1] = {
257 .start = CH_SPI,
258 .end = CH_SPI,
259 .flags = IORESOURCE_DMA,
260 },
261 [2] = {
262 .start = IRQ_SPI,
263 .end = IRQ_SPI,
264 .flags = IORESOURCE_IRQ,
265 }
266 };
267
268 /* SPI controller data */
269 static struct bfin5xx_spi_master bfin_spi0_info = {
270 .num_chipselect = 8,
271 .enable_dma = 1, /* master has the ability to do dma transfer */
272 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
273 };
274
275 static struct platform_device bfin_spi0_device = {
276 .name = "bfin-spi",
277 .id = 0, /* Bus number */
278 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
279 .resource = bfin_spi0_resource,
280 .dev = {
281 .platform_data = &bfin_spi0_info, /* Passed to driver */
282 },
283 };
284 #endif /* spi master and devices */
285
286 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
287 #ifdef CONFIG_SERIAL_BFIN_UART0
288 static struct resource bfin_uart0_resources[] = {
289 {
290 .start = BFIN_UART_THR,
291 .end = BFIN_UART_GCTL+2,
292 .flags = IORESOURCE_MEM,
293 },
294 {
295 .start = IRQ_UART0_TX,
296 .end = IRQ_UART0_TX,
297 .flags = IORESOURCE_IRQ,
298 },
299 {
300 .start = IRQ_UART0_RX,
301 .end = IRQ_UART0_RX,
302 .flags = IORESOURCE_IRQ,
303 },
304 {
305 .start = IRQ_UART0_ERROR,
306 .end = IRQ_UART0_ERROR,
307 .flags = IORESOURCE_IRQ,
308 },
309 {
310 .start = CH_UART0_TX,
311 .end = CH_UART0_TX,
312 .flags = IORESOURCE_DMA,
313 },
314 {
315 .start = CH_UART0_RX,
316 .end = CH_UART0_RX,
317 .flags = IORESOURCE_DMA,
318 },
319 };
320
321 static unsigned short bfin_uart0_peripherals[] = {
322 P_UART0_TX, P_UART0_RX, 0
323 };
324
325 static struct platform_device bfin_uart0_device = {
326 .name = "bfin-uart",
327 .id = 0,
328 .num_resources = ARRAY_SIZE(bfin_uart0_resources),
329 .resource = bfin_uart0_resources,
330 .dev = {
331 .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
332 },
333 };
334 #endif
335 #endif
336
337 #if IS_ENABLED(CONFIG_BFIN_SIR)
338 #ifdef CONFIG_BFIN_SIR0
339 static struct resource bfin_sir0_resources[] = {
340 {
341 .start = 0xFFC00400,
342 .end = 0xFFC004FF,
343 .flags = IORESOURCE_MEM,
344 },
345 {
346 .start = IRQ_UART0_RX,
347 .end = IRQ_UART0_RX+1,
348 .flags = IORESOURCE_IRQ,
349 },
350 {
351 .start = CH_UART0_RX,
352 .end = CH_UART0_RX+1,
353 .flags = IORESOURCE_DMA,
354 },
355 };
356
357 static struct platform_device bfin_sir0_device = {
358 .name = "bfin_sir",
359 .id = 0,
360 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
361 .resource = bfin_sir0_resources,
362 };
363 #endif
364 #endif
365
366 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
367 #include <linux/input.h>
368 #include <linux/gpio_keys.h>
369
370 static struct gpio_keys_button bfin_gpio_keys_table[] = {
371 {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
372 {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
373 {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
374 {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
375 };
376
377 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
378 .buttons = bfin_gpio_keys_table,
379 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
380 };
381
382 static struct platform_device bfin_device_gpiokeys = {
383 .name = "gpio-keys",
384 .dev = {
385 .platform_data = &bfin_gpio_keys_data,
386 },
387 };
388 #endif
389
390 #if IS_ENABLED(CONFIG_I2C_GPIO)
391 #include <linux/i2c-gpio.h>
392
393 static struct i2c_gpio_platform_data i2c_gpio_data = {
394 .sda_pin = GPIO_PF1,
395 .scl_pin = GPIO_PF0,
396 .sda_is_open_drain = 0,
397 .scl_is_open_drain = 0,
398 .udelay = 40,
399 };
400
401 static struct platform_device i2c_gpio_device = {
402 .name = "i2c-gpio",
403 .id = 0,
404 .dev = {
405 .platform_data = &i2c_gpio_data,
406 },
407 };
408 #endif
409
410 static const unsigned int cclk_vlev_datasheet[] =
411 {
412 VRPAIR(VLEV_085, 250000000),
413 VRPAIR(VLEV_090, 376000000),
414 VRPAIR(VLEV_095, 426000000),
415 VRPAIR(VLEV_100, 426000000),
416 VRPAIR(VLEV_105, 476000000),
417 VRPAIR(VLEV_110, 476000000),
418 VRPAIR(VLEV_115, 476000000),
419 VRPAIR(VLEV_120, 600000000),
420 VRPAIR(VLEV_125, 600000000),
421 VRPAIR(VLEV_130, 600000000),
422 };
423
424 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
425 .tuple_tab = cclk_vlev_datasheet,
426 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
427 .vr_settling_time = 25 /* us */,
428 };
429
430 static struct platform_device bfin_dpmc = {
431 .name = "bfin dpmc",
432 .dev = {
433 .platform_data = &bfin_dmpc_vreg_data,
434 },
435 };
436
437 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
438 #if IS_ENABLED(CONFIG_FB_BFIN_7393)
439 {
440 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
441 },
442 #endif
443 };
444
445 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
446 static struct platform_device bfin_i2s = {
447 .name = "bfin-i2s",
448 .id = CONFIG_SND_BF5XX_SPORT_NUM,
449 /* TODO: add platform data here */
450 };
451 #endif
452
453 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
454 static struct platform_device bfin_ac97 = {
455 .name = "bfin-ac97",
456 .id = CONFIG_SND_BF5XX_SPORT_NUM,
457 /* TODO: add platform data here */
458 };
459 #endif
460
461 static struct platform_device *ezkit_devices[] __initdata = {
462
463 &bfin_dpmc,
464
465 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
466 &ezkit_flash_device_a,
467 &ezkit_flash_device_b,
468 #endif
469
470 #if IS_ENABLED(CONFIG_MTD_PLATRAM)
471 &sram_device_a,
472 &sram_device_b,
473 #endif
474
475 #if IS_ENABLED(CONFIG_SMC91X)
476 &smc91x_device,
477 #endif
478
479 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
480 &bfin_spi0_device,
481 #endif
482
483 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
484 &rtc_device,
485 #endif
486
487 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
488 #ifdef CONFIG_SERIAL_BFIN_UART0
489 &bfin_uart0_device,
490 #endif
491 #endif
492
493 #if IS_ENABLED(CONFIG_BFIN_SIR)
494 #ifdef CONFIG_BFIN_SIR0
495 &bfin_sir0_device,
496 #endif
497 #endif
498
499 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
500 &bfin_device_gpiokeys,
501 #endif
502
503 #if IS_ENABLED(CONFIG_I2C_GPIO)
504 &i2c_gpio_device,
505 #endif
506
507 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
508 &bfin_i2s,
509 #endif
510
511 #if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
512 &bfin_ac97,
513 #endif
514 };
515
ezkit_init(void)516 static int __init ezkit_init(void)
517 {
518 printk(KERN_INFO "%s(): registering device resources\n", __func__);
519 platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
520 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
521 i2c_register_board_info(0, bfin_i2c_board_info,
522 ARRAY_SIZE(bfin_i2c_board_info));
523 return 0;
524 }
525
526 arch_initcall(ezkit_init);
527
528 static struct platform_device *ezkit_early_devices[] __initdata = {
529 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
530 #ifdef CONFIG_SERIAL_BFIN_UART0
531 &bfin_uart0_device,
532 #endif
533 #endif
534 };
535
native_machine_early_platform_add_devices(void)536 void __init native_machine_early_platform_add_devices(void)
537 {
538 printk(KERN_INFO "register early platform devices\n");
539 early_platform_add_devices(ezkit_early_devices,
540 ARRAY_SIZE(ezkit_early_devices));
541 }
542