On Tue, Nov 06, 2007 at 02:33:53AM -0800, akpm@linux-foundation.org wrote:
[mmotm.git] / arch / blackfin / mach-bf533 / boards / ezkit.c
blobd4689dcc198e6b5073b3daef3cd0f1f3f1f6c022
1 /*
2 * Copyright 2004-2009 Analog Devices Inc.
3 * 2005 National ICT Australia (NICTA)
4 * Aidan Williams <aidan@nicta.com.au>
6 * Licensed under the GPL-2 or later.
7 */
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>
28 * Name the Board for the /proc/cpuinfo
30 const char bfin_board_name[] = "ADI BF533-EZKIT";
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,
37 #endif
40 * USB-LAN EzExtender board
41 * Driver needs to know address, irq and flag pin.
43 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
44 #include <linux/smc91x.h>
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,
52 static struct resource smc91x_resources[] = {
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,
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,
73 #endif
75 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
76 static struct mtd_partition ezkit_partitions_a[] = {
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,
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),
94 static struct resource ezkit_flash_resource_a = {
95 .start = 0x20000000,
96 .end = 0x200fffff,
97 .flags = IORESOURCE_MEM,
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,
106 .num_resources = 1,
107 .resource = &ezkit_flash_resource_a,
110 static struct mtd_partition ezkit_partitions_b[] = {
112 .name = "file system(nor b)",
113 .size = MTDPART_SIZ_FULL,
114 .offset = MTDPART_OFS_APPEND,
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),
124 static struct resource ezkit_flash_resource_b = {
125 .start = 0x20100000,
126 .end = 0x201fffff,
127 .flags = IORESOURCE_MEM,
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,
136 .num_resources = 1,
137 .resource = &ezkit_flash_resource_b,
139 #endif
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,
147 static struct resource sram_resource_a = {
148 .start = 0x20240000,
149 .end = 0x2024ffff,
150 .flags = IORESOURCE_MEM,
153 static struct platform_device sram_device_a = {
154 .name = "mtd-ram",
155 .id = 8,
156 .dev = {
157 .platform_data = &sram_data_a,
159 .num_resources = 1,
160 .resource = &sram_resource_a,
163 static struct platdata_mtd_ram sram_data_b = {
164 .mapname = "Flash B SRAM",
165 .bankwidth = 2,
168 static struct resource sram_resource_b = {
169 .start = 0x202c0000,
170 .end = 0x202cffff,
171 .flags = IORESOURCE_MEM,
174 static struct platform_device sram_device_b = {
175 .name = "mtd-ram",
176 .id = 9,
177 .dev = {
178 .platform_data = &sram_data_b,
180 .num_resources = 1,
181 .resource = &sram_resource_b,
183 #endif
185 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
186 static struct mtd_partition bfin_spi_flash_partitions[] = {
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,
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",
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,
215 #endif
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,
223 #endif
225 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
226 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
227 .enable_dma = 0,
228 .bits_per_word = 16,
230 #endif
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,
237 #endif
239 static struct spi_board_info bfin_spi_board_info[] __initdata = {
240 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
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,
251 #endif
253 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
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,
262 #endif
264 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
266 .modalias = "ad1836",
267 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
268 .bus_num = 0,
269 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
270 .controller_data = &ad1836_spi_chip_info,
272 #endif
273 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
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,
281 #endif
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,
292 [1] = {
293 .start = CH_SPI,
294 .end = CH_SPI,
295 .flags = IORESOURCE_DMA,
297 [2] = {
298 .start = IRQ_SPI,
299 .end = IRQ_SPI,
300 .flags = IORESOURCE_IRQ,
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},
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 */
320 #endif /* spi master and devices */
322 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
323 static struct resource bfin_uart_resources[] = {
325 .start = 0xFFC00400,
326 .end = 0xFFC004FF,
327 .flags = IORESOURCE_MEM,
331 static struct platform_device bfin_uart_device = {
332 .name = "bfin-uart",
333 .id = 1,
334 .num_resources = ARRAY_SIZE(bfin_uart_resources),
335 .resource = bfin_uart_resources,
337 #endif
339 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
340 #ifdef CONFIG_BFIN_SIR0
341 static struct resource bfin_sir0_resources[] = {
343 .start = 0xFFC00400,
344 .end = 0xFFC004FF,
345 .flags = IORESOURCE_MEM,
348 .start = IRQ_UART0_RX,
349 .end = IRQ_UART0_RX+1,
350 .flags = IORESOURCE_IRQ,
353 .start = CH_UART0_RX,
354 .end = CH_UART0_RX+1,
355 .flags = IORESOURCE_DMA,
359 static struct platform_device bfin_sir0_device = {
360 .name = "bfin_sir",
361 .id = 0,
362 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
363 .resource = bfin_sir0_resources,
365 #endif
366 #endif
368 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
369 #include <linux/input.h>
370 #include <linux/gpio_keys.h>
372 static struct gpio_keys_button bfin_gpio_keys_table[] = {
373 {BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
374 {BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
375 {BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
376 {BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
379 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
380 .buttons = bfin_gpio_keys_table,
381 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
384 static struct platform_device bfin_device_gpiokeys = {
385 .name = "gpio-keys",
386 .dev = {
387 .platform_data = &bfin_gpio_keys_data,
390 #endif
392 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
393 #include <linux/i2c-gpio.h>
395 static struct i2c_gpio_platform_data i2c_gpio_data = {
396 .sda_pin = 1,
397 .scl_pin = 0,
398 .sda_is_open_drain = 0,
399 .scl_is_open_drain = 0,
400 .udelay = 40,
403 static struct platform_device i2c_gpio_device = {
404 .name = "i2c-gpio",
405 .id = 0,
406 .dev = {
407 .platform_data = &i2c_gpio_data,
410 #endif
412 static const unsigned int cclk_vlev_datasheet[] =
414 VRPAIR(VLEV_085, 250000000),
415 VRPAIR(VLEV_090, 376000000),
416 VRPAIR(VLEV_095, 426000000),
417 VRPAIR(VLEV_100, 426000000),
418 VRPAIR(VLEV_105, 476000000),
419 VRPAIR(VLEV_110, 476000000),
420 VRPAIR(VLEV_115, 476000000),
421 VRPAIR(VLEV_120, 600000000),
422 VRPAIR(VLEV_125, 600000000),
423 VRPAIR(VLEV_130, 600000000),
426 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
427 .tuple_tab = cclk_vlev_datasheet,
428 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
429 .vr_settling_time = 25 /* us */,
432 static struct platform_device bfin_dpmc = {
433 .name = "bfin dpmc",
434 .dev = {
435 .platform_data = &bfin_dmpc_vreg_data,
439 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
440 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
442 I2C_BOARD_INFO("bfin-adv7393", 0x2B),
444 #endif
447 static struct platform_device *ezkit_devices[] __initdata = {
449 &bfin_dpmc,
451 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
452 &ezkit_flash_device_a,
453 &ezkit_flash_device_b,
454 #endif
456 #if defined(CONFIG_MTD_PLATRAM) || defined(CONFIG_MTD_PLATRAM_MODULE)
457 &sram_device_a,
458 &sram_device_b,
459 #endif
461 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
462 &smc91x_device,
463 #endif
465 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
466 &bfin_spi0_device,
467 #endif
469 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
470 &rtc_device,
471 #endif
473 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
474 &bfin_uart_device,
475 #endif
477 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
478 #ifdef CONFIG_BFIN_SIR0
479 &bfin_sir0_device,
480 #endif
481 #endif
483 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
484 &bfin_device_gpiokeys,
485 #endif
487 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
488 &i2c_gpio_device,
489 #endif
492 static int __init ezkit_init(void)
494 printk(KERN_INFO "%s(): registering device resources\n", __func__);
495 platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
496 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
497 i2c_register_board_info(0, bfin_i2c_board_info,
498 ARRAY_SIZE(bfin_i2c_board_info));
499 return 0;
502 arch_initcall(ezkit_init);