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,
154 #if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
155 unsigned short bfin_can_peripherals[] = {
156 P_CAN0_RX, P_CAN0_TX, 0
159 static struct resource bfin_can_resources[] = {
163 .flags = IORESOURCE_MEM,
168 .flags = IORESOURCE_IRQ,
173 .flags = IORESOURCE_IRQ,
176 .start = IRQ_CAN_ERROR,
177 .end = IRQ_CAN_ERROR,
178 .flags = IORESOURCE_IRQ,
182 static struct platform_device bfin_can_device = {
184 .num_resources = ARRAY_SIZE(bfin_can_resources),
185 .resource = bfin_can_resources,
187 .platform_data = &bfin_can_peripherals, /* Passed to driver */
193 * USB-LAN EzExtender board
194 * Driver needs to know address, irq and flag pin.
196 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
197 #include <linux/smc91x.h>
199 static struct smc91x_platdata smc91x_info = {
200 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
201 .leda = RPC_LED_100_10,
202 .ledb = RPC_LED_TX_RX,
205 static struct resource smc91x_resources[] = {
207 .name = "smc91x-regs",
209 .end = 0x20310300 + 16,
210 .flags = IORESOURCE_MEM,
214 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
217 static struct platform_device smc91x_device = {
220 .num_resources = ARRAY_SIZE(smc91x_resources),
221 .resource = smc91x_resources,
223 .platform_data = &smc91x_info,
228 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
229 /* all SPI peripherals info goes here */
230 #if defined(CONFIG_MTD_M25P80) \
231 || defined(CONFIG_MTD_M25P80_MODULE)
232 /* SPI flash chip (m25p16) */
233 static struct mtd_partition bfin_spi_flash_partitions[] = {
235 .name = "bootloader(spi)",
238 .mask_flags = MTD_CAP_ROM
240 .name = "linux kernel(spi)",
246 static struct flash_platform_data bfin_spi_flash_data = {
248 .parts = bfin_spi_flash_partitions,
249 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
253 static struct bfin5xx_spi_chip spi_flash_chip_info = {
254 .enable_dma = 0, /* use dma transfer with this chip*/
259 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
260 #include <linux/spi/ad7879.h>
261 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
262 .model = 7879, /* Model = AD7879 */
263 .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
264 .pressure_max = 10000,
266 .first_conversion_delay = 3, /* wait 512us before do a first conversion */
267 .acquisition_time = 1, /* 4us acquisition time per sample */
268 .median = 2, /* do 8 measurements */
269 .averaging = 1, /* take the average of 4 middle samples */
270 .pen_down_acc_interval = 255, /* 9.4 ms */
271 .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */
272 .gpio_default = 1, /* During initialization set GPIO = HIGH */
276 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
277 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
283 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
284 #include <asm/bfin-lq035q1.h>
286 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
287 .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
288 .use_bl = 0, /* let something else control the LCD Blacklight */
292 static struct resource bfin_lq035q1_resources[] = {
294 .start = IRQ_PPI_ERROR,
295 .end = IRQ_PPI_ERROR,
296 .flags = IORESOURCE_IRQ,
300 static struct platform_device bfin_lq035q1_device = {
301 .name = "bfin-lq035q1",
303 .num_resources = ARRAY_SIZE(bfin_lq035q1_resources),
304 .resource = bfin_lq035q1_resources,
306 .platform_data = &bfin_lq035q1_data,
311 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
312 static struct bfin5xx_spi_chip spidev_chip_info = {
318 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
319 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
325 static struct spi_board_info bf538_spi_board_info[] __initdata = {
326 #if defined(CONFIG_MTD_M25P80) \
327 || defined(CONFIG_MTD_M25P80_MODULE)
329 /* the modalias must be the same as spi device driver name */
330 .modalias = "m25p80", /* Name of spi_driver for this device */
331 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
332 .bus_num = 0, /* Framework bus number */
333 .chip_select = 1, /* SPI_SSEL1*/
334 .platform_data = &bfin_spi_flash_data,
335 .controller_data = &spi_flash_chip_info,
339 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
341 .modalias = "ad7879",
342 .platform_data = &bfin_ad7879_ts_info,
344 .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
347 .controller_data = &spi_ad7879_chip_info,
348 .mode = SPI_CPHA | SPI_CPOL,
351 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
353 .modalias = "bfin-lq035q1-spi",
354 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
357 .controller_data = &lq035q1_spi_chip_info,
358 .mode = SPI_CPHA | SPI_CPOL,
361 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
363 .modalias = "spidev",
364 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
367 .controller_data = &spidev_chip_info,
373 static struct resource bfin_spi0_resource[] = {
375 .start = SPI0_REGBASE,
376 .end = SPI0_REGBASE + 0xFF,
377 .flags = IORESOURCE_MEM,
382 .flags = IORESOURCE_DMA,
387 .flags = IORESOURCE_IRQ,
392 static struct resource bfin_spi1_resource[] = {
394 .start = SPI1_REGBASE,
395 .end = SPI1_REGBASE + 0xFF,
396 .flags = IORESOURCE_MEM,
401 .flags = IORESOURCE_DMA,
406 .flags = IORESOURCE_IRQ,
411 static struct resource bfin_spi2_resource[] = {
413 .start = SPI2_REGBASE,
414 .end = SPI2_REGBASE + 0xFF,
415 .flags = IORESOURCE_MEM,
420 .flags = IORESOURCE_DMA,
425 .flags = IORESOURCE_IRQ,
429 /* SPI controller data */
430 static struct bfin5xx_spi_master bf538_spi_master_info0 = {
432 .enable_dma = 1, /* master has the ability to do dma transfer */
433 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
436 static struct platform_device bf538_spi_master0 = {
438 .id = 0, /* Bus number */
439 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
440 .resource = bfin_spi0_resource,
442 .platform_data = &bf538_spi_master_info0, /* Passed to driver */
446 static struct bfin5xx_spi_master bf538_spi_master_info1 = {
448 .enable_dma = 1, /* master has the ability to do dma transfer */
449 .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
452 static struct platform_device bf538_spi_master1 = {
454 .id = 1, /* Bus number */
455 .num_resources = ARRAY_SIZE(bfin_spi1_resource),
456 .resource = bfin_spi1_resource,
458 .platform_data = &bf538_spi_master_info1, /* Passed to driver */
462 static struct bfin5xx_spi_master bf538_spi_master_info2 = {
464 .enable_dma = 1, /* master has the ability to do dma transfer */
465 .pin_req = {P_SPI2_SCK, P_SPI2_MISO, P_SPI2_MOSI, 0},
468 static struct platform_device bf538_spi_master2 = {
470 .id = 2, /* Bus number */
471 .num_resources = ARRAY_SIZE(bfin_spi2_resource),
472 .resource = bfin_spi2_resource,
474 .platform_data = &bf538_spi_master_info2, /* Passed to driver */
478 #endif /* spi master and devices */
480 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
481 static struct resource bfin_twi0_resource[] = {
483 .start = TWI0_REGBASE,
484 .end = TWI0_REGBASE + 0xFF,
485 .flags = IORESOURCE_MEM,
490 .flags = IORESOURCE_IRQ,
494 static struct platform_device i2c_bfin_twi0_device = {
495 .name = "i2c-bfin-twi",
497 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
498 .resource = bfin_twi0_resource,
501 #if !defined(CONFIG_BF542) /* The BF542 only has 1 TWI */
502 static struct resource bfin_twi1_resource[] = {
504 .start = TWI1_REGBASE,
505 .end = TWI1_REGBASE + 0xFF,
506 .flags = IORESOURCE_MEM,
511 .flags = IORESOURCE_IRQ,
515 static struct platform_device i2c_bfin_twi1_device = {
516 .name = "i2c-bfin-twi",
518 .num_resources = ARRAY_SIZE(bfin_twi1_resource),
519 .resource = bfin_twi1_resource,
524 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
525 #include <linux/gpio_keys.h>
527 static struct gpio_keys_button bfin_gpio_keys_table[] = {
528 {BTN_0, GPIO_PC7, 1, "gpio-keys: BTN0"},
531 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
532 .buttons = bfin_gpio_keys_table,
533 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
536 static struct platform_device bfin_device_gpiokeys = {
539 .platform_data = &bfin_gpio_keys_data,
544 static const unsigned int cclk_vlev_datasheet[] =
547 * Internal VLEV BF538SBBC1533
548 ****temporarily using these values until data sheet is updated
550 VRPAIR(VLEV_100, 150000000),
551 VRPAIR(VLEV_100, 250000000),
552 VRPAIR(VLEV_110, 276000000),
553 VRPAIR(VLEV_115, 301000000),
554 VRPAIR(VLEV_120, 525000000),
555 VRPAIR(VLEV_125, 550000000),
556 VRPAIR(VLEV_130, 600000000),
559 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
560 .tuple_tab = cclk_vlev_datasheet,
561 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
562 .vr_settling_time = 25 /* us */,
565 static struct platform_device bfin_dpmc = {
568 .platform_data = &bfin_dmpc_vreg_data,
572 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
573 static struct mtd_partition ezkit_partitions[] = {
575 .name = "bootloader(nor)",
579 .name = "linux kernel(nor)",
581 .offset = MTDPART_OFS_APPEND,
583 .name = "file system(nor)",
584 .size = MTDPART_SIZ_FULL,
585 .offset = MTDPART_OFS_APPEND,
589 static struct physmap_flash_data ezkit_flash_data = {
591 .parts = ezkit_partitions,
592 .nr_parts = ARRAY_SIZE(ezkit_partitions),
595 static struct resource ezkit_flash_resource = {
597 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
602 .flags = IORESOURCE_MEM,
605 static struct platform_device ezkit_flash_device = {
606 .name = "physmap-flash",
609 .platform_data = &ezkit_flash_data,
612 .resource = &ezkit_flash_resource,
616 static struct platform_device *cm_bf538_devices[] __initdata = {
620 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
624 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
628 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
634 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
635 &i2c_bfin_twi0_device,
636 &i2c_bfin_twi1_device,
639 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
640 #ifdef CONFIG_BFIN_SIR0
643 #ifdef CONFIG_BFIN_SIR1
646 #ifdef CONFIG_BFIN_SIR2
651 #if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
655 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
659 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
660 &bfin_lq035q1_device,
663 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
664 &bfin_device_gpiokeys,
667 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
672 static int __init ezkit_init(void)
674 printk(KERN_INFO "%s(): registering device resources\n", __func__);
675 platform_add_devices(cm_bf538_devices, ARRAY_SIZE(cm_bf538_devices));
677 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
678 spi_register_board_info(bf538_spi_board_info,
679 ARRAY_SIZE(bf538_spi_board_info));
685 arch_initcall(ezkit_init);