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
);