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
9 #include <linux/device.h>
10 #include <linux/platform_device.h>
11 #include <linux/mtd/mtd.h>
12 #include <linux/mtd/physmap.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/spi/spi.h>
15 #include <linux/spi/flash.h>
16 #include <linux/irq.h>
17 #include <linux/interrupt.h>
18 #include <asm/bfin5xx_spi.h>
22 #include <asm/portmux.h>
24 #include <linux/input.h>
27 * Name the Board for the /proc/cpuinfo
29 const char bfin_board_name[] = "ADI BF538-EZKIT";
32 * Driver needs to know address, irq and flag pin.
36 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
37 static struct platform_device rtc_device = {
43 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
44 static struct resource bfin_uart_resources[] = {
45 #ifdef CONFIG_SERIAL_BFIN_UART0
49 .flags = IORESOURCE_MEM,
52 #ifdef CONFIG_SERIAL_BFIN_UART1
56 .flags = IORESOURCE_MEM,
59 #ifdef CONFIG_SERIAL_BFIN_UART2
63 .flags = IORESOURCE_MEM,
68 static struct platform_device bfin_uart_device = {
71 .num_resources = ARRAY_SIZE(bfin_uart_resources),
72 .resource = bfin_uart_resources,
76 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
77 #ifdef CONFIG_BFIN_SIR0
78 static struct resource bfin_sir0_resources[] = {
82 .flags = IORESOURCE_MEM,
85 .start = IRQ_UART0_RX,
86 .end = IRQ_UART0_RX+1,
87 .flags = IORESOURCE_IRQ,
92 .flags = IORESOURCE_DMA,
95 static struct platform_device bfin_sir0_device = {
98 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
99 .resource = bfin_sir0_resources,
102 #ifdef CONFIG_BFIN_SIR1
103 static struct resource bfin_sir1_resources[] = {
107 .flags = IORESOURCE_MEM,
110 .start = IRQ_UART1_RX,
111 .end = IRQ_UART1_RX+1,
112 .flags = IORESOURCE_IRQ,
115 .start = CH_UART1_RX,
116 .end = CH_UART1_RX+1,
117 .flags = IORESOURCE_DMA,
120 static struct platform_device bfin_sir1_device = {
123 .num_resources = ARRAY_SIZE(bfin_sir1_resources),
124 .resource = bfin_sir1_resources,
127 #ifdef CONFIG_BFIN_SIR2
128 static struct resource bfin_sir2_resources[] = {
132 .flags = IORESOURCE_MEM,
135 .start = IRQ_UART2_RX,
136 .end = IRQ_UART2_RX+1,
137 .flags = IORESOURCE_IRQ,
140 .start = CH_UART2_RX,
141 .end = CH_UART2_RX+1,
142 .flags = IORESOURCE_DMA,
145 static struct platform_device bfin_sir2_device = {
148 .num_resources = ARRAY_SIZE(bfin_sir2_resources),
149 .resource = bfin_sir2_resources,
155 * USB-LAN EzExtender board
156 * Driver needs to know address, irq and flag pin.
158 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
159 #include <linux/smc91x.h>
161 static struct smc91x_platdata smc91x_info = {
162 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
163 .leda = RPC_LED_100_10,
164 .ledb = RPC_LED_TX_RX,
167 static struct resource smc91x_resources[] = {
169 .name = "smc91x-regs",
171 .end = 0x20310300 + 16,
172 .flags = IORESOURCE_MEM,
176 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
179 static struct platform_device smc91x_device = {
182 .num_resources = ARRAY_SIZE(smc91x_resources),
183 .resource = smc91x_resources,
185 .platform_data = &smc91x_info,
190 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
191 /* all SPI peripherals info goes here */
192 #if defined(CONFIG_MTD_M25P80) \
193 || defined(CONFIG_MTD_M25P80_MODULE)
194 /* SPI flash chip (m25p16) */
195 static struct mtd_partition bfin_spi_flash_partitions[] = {
197 .name = "bootloader(spi)",
200 .mask_flags = MTD_CAP_ROM
202 .name = "linux kernel(spi)",
208 static struct flash_platform_data bfin_spi_flash_data = {
210 .parts = bfin_spi_flash_partitions,
211 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
215 static struct bfin5xx_spi_chip spi_flash_chip_info = {
216 .enable_dma = 0, /* use dma transfer with this chip*/
218 .cs_change_per_word = 0,
222 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
223 #include <linux/spi/ad7879.h>
224 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
225 .model = 7879, /* Model = AD7879 */
226 .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
227 .pressure_max = 10000,
229 .first_conversion_delay = 3, /* wait 512us before do a first conversion */
230 .acquisition_time = 1, /* 4us acquisition time per sample */
231 .median = 2, /* do 8 measurements */
232 .averaging = 1, /* take the average of 4 middle samples */
233 .pen_down_acc_interval = 255, /* 9.4 ms */
234 .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */
235 .gpio_default = 1, /* During initialization set GPIO = HIGH */
239 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
240 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
246 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
247 #include <asm/bfin-lq035q1.h>
249 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
250 .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
251 .use_bl = 0, /* let something else control the LCD Blacklight */
255 static struct resource bfin_lq035q1_resources[] = {
257 .start = IRQ_PPI_ERROR,
258 .end = IRQ_PPI_ERROR,
259 .flags = IORESOURCE_IRQ,
263 static struct platform_device bfin_lq035q1_device = {
264 .name = "bfin-lq035q1",
266 .num_resources = ARRAY_SIZE(bfin_lq035q1_resources),
267 .resource = bfin_lq035q1_resources,
269 .platform_data = &bfin_lq035q1_data,
274 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
275 static struct bfin5xx_spi_chip spidev_chip_info = {
281 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
282 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
288 static struct spi_board_info bf538_spi_board_info[] __initdata = {
289 #if defined(CONFIG_MTD_M25P80) \
290 || defined(CONFIG_MTD_M25P80_MODULE)
292 /* the modalias must be the same as spi device driver name */
293 .modalias = "m25p80", /* Name of spi_driver for this device */
294 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
295 .bus_num = 0, /* Framework bus number */
296 .chip_select = 1, /* SPI_SSEL1*/
297 .platform_data = &bfin_spi_flash_data,
298 .controller_data = &spi_flash_chip_info,
302 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
304 .modalias = "ad7879",
305 .platform_data = &bfin_ad7879_ts_info,
307 .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
310 .controller_data = &spi_ad7879_chip_info,
311 .mode = SPI_CPHA | SPI_CPOL,
314 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
316 .modalias = "bfin-lq035q1-spi",
317 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
320 .controller_data = &lq035q1_spi_chip_info,
321 .mode = SPI_CPHA | SPI_CPOL,
324 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
326 .modalias = "spidev",
327 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
330 .controller_data = &spidev_chip_info,
336 static struct resource bfin_spi0_resource[] = {
338 .start = SPI0_REGBASE,
339 .end = SPI0_REGBASE + 0xFF,
340 .flags = IORESOURCE_MEM,
345 .flags = IORESOURCE_DMA,
350 .flags = IORESOURCE_IRQ,
355 static struct resource bfin_spi1_resource[] = {
357 .start = SPI1_REGBASE,
358 .end = SPI1_REGBASE + 0xFF,
359 .flags = IORESOURCE_MEM,
364 .flags = IORESOURCE_DMA,
369 .flags = IORESOURCE_IRQ,
374 static struct resource bfin_spi2_resource[] = {
376 .start = SPI2_REGBASE,
377 .end = SPI2_REGBASE + 0xFF,
378 .flags = IORESOURCE_MEM,
383 .flags = IORESOURCE_DMA,
388 .flags = IORESOURCE_IRQ,
392 /* SPI controller data */
393 static struct bfin5xx_spi_master bf538_spi_master_info0 = {
395 .enable_dma = 1, /* master has the ability to do dma transfer */
396 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
399 static struct platform_device bf538_spi_master0 = {
401 .id = 0, /* Bus number */
402 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
403 .resource = bfin_spi0_resource,
405 .platform_data = &bf538_spi_master_info0, /* Passed to driver */
409 static struct bfin5xx_spi_master bf538_spi_master_info1 = {
411 .enable_dma = 1, /* master has the ability to do dma transfer */
412 .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
415 static struct platform_device bf538_spi_master1 = {
417 .id = 1, /* Bus number */
418 .num_resources = ARRAY_SIZE(bfin_spi1_resource),
419 .resource = bfin_spi1_resource,
421 .platform_data = &bf538_spi_master_info1, /* Passed to driver */
425 static struct bfin5xx_spi_master bf538_spi_master_info2 = {
427 .enable_dma = 1, /* master has the ability to do dma transfer */
428 .pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0},
431 static struct platform_device bf538_spi_master2 = {
433 .id = 2, /* Bus number */
434 .num_resources = ARRAY_SIZE(bfin_spi2_resource),
435 .resource = bfin_spi2_resource,
437 .platform_data = &bf538_spi_master_info2, /* Passed to driver */
441 #endif /* spi master and devices */
443 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
444 static struct resource bfin_twi0_resource[] = {
446 .start = TWI0_REGBASE,
447 .end = TWI0_REGBASE + 0xFF,
448 .flags = IORESOURCE_MEM,
453 .flags = IORESOURCE_IRQ,
457 static struct platform_device i2c_bfin_twi0_device = {
458 .name = "i2c-bfin-twi",
460 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
461 .resource = bfin_twi0_resource,
464 #if !defined(CONFIG_BF542) /* The BF542 only has 1 TWI */
465 static struct resource bfin_twi1_resource[] = {
467 .start = TWI1_REGBASE,
468 .end = TWI1_REGBASE + 0xFF,
469 .flags = IORESOURCE_MEM,
474 .flags = IORESOURCE_IRQ,
478 static struct platform_device i2c_bfin_twi1_device = {
479 .name = "i2c-bfin-twi",
481 .num_resources = ARRAY_SIZE(bfin_twi1_resource),
482 .resource = bfin_twi1_resource,
487 static struct resource bfin_gpios_resources = {
489 .end = MAX_BLACKFIN_GPIOS - 1,
490 .flags = IORESOURCE_IRQ,
493 static struct platform_device bfin_gpios_device = {
494 .name = "simple-gpio",
497 .resource = &bfin_gpios_resources,
500 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
501 #include <linux/gpio_keys.h>
503 static struct gpio_keys_button bfin_gpio_keys_table[] = {
504 {BTN_0, GPIO_PC7, 1, "gpio-keys: BTN0"},
507 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
508 .buttons = bfin_gpio_keys_table,
509 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
512 static struct platform_device bfin_device_gpiokeys = {
515 .platform_data = &bfin_gpio_keys_data,
520 static const unsigned int cclk_vlev_datasheet[] =
523 * Internal VLEV BF538SBBC1533
524 ****temporarily using these values until data sheet is updated
526 VRPAIR(VLEV_100, 150000000),
527 VRPAIR(VLEV_100, 250000000),
528 VRPAIR(VLEV_110, 276000000),
529 VRPAIR(VLEV_115, 301000000),
530 VRPAIR(VLEV_120, 525000000),
531 VRPAIR(VLEV_125, 550000000),
532 VRPAIR(VLEV_130, 600000000),
535 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
536 .tuple_tab = cclk_vlev_datasheet,
537 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
538 .vr_settling_time = 25 /* us */,
541 static struct platform_device bfin_dpmc = {
544 .platform_data = &bfin_dmpc_vreg_data,
548 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
549 static struct mtd_partition ezkit_partitions[] = {
551 .name = "bootloader(nor)",
555 .name = "linux kernel(nor)",
557 .offset = MTDPART_OFS_APPEND,
559 .name = "file system(nor)",
560 .size = MTDPART_SIZ_FULL,
561 .offset = MTDPART_OFS_APPEND,
565 static struct physmap_flash_data ezkit_flash_data = {
567 .parts = ezkit_partitions,
568 .nr_parts = ARRAY_SIZE(ezkit_partitions),
571 static struct resource ezkit_flash_resource = {
573 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
578 .flags = IORESOURCE_MEM,
581 static struct platform_device ezkit_flash_device = {
582 .name = "physmap-flash",
585 .platform_data = &ezkit_flash_data,
588 .resource = &ezkit_flash_resource,
592 static struct platform_device *cm_bf538_devices[] __initdata = {
596 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
600 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
604 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
610 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
611 &i2c_bfin_twi0_device,
612 &i2c_bfin_twi1_device,
615 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
616 #ifdef CONFIG_BFIN_SIR0
619 #ifdef CONFIG_BFIN_SIR1
622 #ifdef CONFIG_BFIN_SIR2
627 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
631 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
632 &bfin_lq035q1_device,
635 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
636 &bfin_device_gpiokeys,
641 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
646 static int __init ezkit_init(void)
648 printk(KERN_INFO "%s(): registering device resources\n", __func__);
649 platform_add_devices(cm_bf538_devices, ARRAY_SIZE(cm_bf538_devices));
651 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
652 spi_register_board_info(bf538_spi_board_info,
653 ARRAY_SIZE(bf538_spi_board_info));
659 arch_initcall(ezkit_init);